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text rewriting - reorganization (#3676)

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*text refactored.
This commit is contained in:
Andrea Bogazzi 2017-04-22 09:15:38 +02:00 committed by GitHub
parent e0e431ce78
commit b112b3405f
20 changed files with 1905 additions and 2158 deletions
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1
build.js
View file

@ -233,7 +233,6 @@ var filesToInclude = [
ifSpecifiedInclude('textbox', 'src/shapes/textbox.class.js'),
ifSpecifiedInclude('textbox', 'src/mixins/textbox_behavior.mixin.js'),
ifSpecifiedInclude('textbox', 'src/mixins/textbox_click_behavior.mixin.js'),
ifSpecifiedInclude('node', 'src/node.js'),

3
package.json
View file

@ -36,8 +36,9 @@
"license": "MIT",
"scripts": {
"build": "node build.js modules=ALL exclude=json,gestures",
"build:watch": "onchange 'src/**/**' 'test/**/**' 'HEADER.js' 'lib/**/**' -- npm run build",
"build:watch": "onchange 'src/**/**' 'test/**/**' 'HEADER.js' 'lib/**/**' -- npm run build_export",
"build_with_gestures": "node build.js modules=ALL exclude=json",
"build_export": "npm run build && npm run export_dist_to_site",
"test": "node test.js",
"lint": "eslint --config .eslintrc.json src",
"lint_tests": "eslint test/unit --config .eslintrc_tests",

38
src/color.class.js
View file

@ -298,6 +298,8 @@
*/
fabric.Color.reHex = /^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i;
// TODO extend to the svg 1.0 color aka css3 colors.
/**
* Map of the 17 basic color names with HEX code
* @static
@ -306,24 +308,24 @@
* @see: http://www.w3.org/TR/CSS2/syndata.html#color-units
*/
fabric.Color.colorNameMap = {
aqua: '#00FFFF',
black: '#000000',
blue: '#0000FF',
fuchsia: '#FF00FF',
gray: '#808080',
grey: '#808080',
green: '#008000',
lime: '#00FF00',
maroon: '#800000',
navy: '#000080',
olive: '#808000',
orange: '#FFA500',
purple: '#800080',
red: '#FF0000',
silver: '#C0C0C0',
teal: '#008080',
white: '#FFFFFF',
yellow: '#FFFF00'
aqua: '#00FFFF',
black: '#000000',
blue: '#0000FF',
fuchsia: '#FF00FF',
gray: '#808080',
grey: '#808080',
green: '#008000',
lime: '#00FF00',
maroon: '#800000',
navy: '#000080',
olive: '#808000',
orange: '#FFA500',
purple: '#800080',
red: '#FF0000',
silver: '#C0C0C0',
teal: '#008080',
white: '#FFFFFF',
yellow: '#FFFF00'
};
/**

255
src/mixins/itext.svg_export.js
View file

@ -3,50 +3,202 @@
var toFixed = fabric.util.toFixed,
NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS;
fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.prototype */ {
fabric.util.object.extend(fabric.Text.prototype, /** @lends fabric.Text.prototype */ {
/**
* @private
* Returns SVG representation of an instance
* @param {Function} [reviver] Method for further parsing of svg representation.
* @return {String} svg representation of an instance
*/
_setSVGTextLineText: function(lineIndex, textSpans, height, textLeftOffset, textTopOffset, textBgRects) {
if (!this._getLineStyle(lineIndex)) {
fabric.Text.prototype._setSVGTextLineText.call(this,
lineIndex, textSpans, height, textLeftOffset, textTopOffset);
}
else {
this._setSVGTextLineChars(
lineIndex, textSpans, height, textLeftOffset, textBgRects);
}
toSVG: function(reviver) {
var markup = this._createBaseSVGMarkup(),
offsets = this._getSVGLeftTopOffsets(),
textAndBg = this._getSVGTextAndBg(offsets.textTop, offsets.textLeft);
this._wrapSVGTextAndBg(markup, textAndBg);
return reviver ? reviver(markup.join('')) : markup.join('');
},
/**
* @private
*/
_setSVGTextLineChars: function(lineIndex, textSpans, height, textLeftOffset, textBgRects) {
_getSVGLeftTopOffsets: function() {
var lineTop = this.getHeightOfLine(0),
textLeft = -this.width / 2,
textTop = -this.height / 2;
var chars = this._textLines[lineIndex],
charOffset = 0,
lineLeftOffset = this._getLineLeftOffset(this._getLineWidth(this.ctx, lineIndex)) - this.width / 2,
lineOffset = this._getSVGLineTopOffset(lineIndex),
heightOfLine = this._getHeightOfLine(this.ctx, lineIndex);
return {
textLeft: textLeft + (this.group && this.group.type === 'path-group' ? this.left : 0),
textTop: textTop + (this.group && this.group.type === 'path-group' ? -this.top : 0),
lineTop: lineTop
};
},
for (var i = 0, len = chars.length; i < len; i++) {
var styleDecl = this._getStyleDeclaration(lineIndex, i) || { };
/**
* @private
*/
_wrapSVGTextAndBg: function(markup, textAndBg) {
var noShadow = true, filter = this.getSvgFilter(),
style = filter === '' ? '' : ' style="' + filter + '"';
textSpans.push(
this._createTextCharSpan(
chars[i], styleDecl, lineLeftOffset, lineOffset.lineTop + lineOffset.offset, charOffset));
markup.push(
'\t<g ', this.getSvgId(), 'transform="', this.getSvgTransform(), this.getSvgTransformMatrix(), '"',
style, '>\n',
textAndBg.textBgRects.join(''),
'\t\t<text ',
(this.fontFamily ? 'font-family="' + this.fontFamily.replace(/"/g, '\'') + '" ' : ''),
(this.fontSize ? 'font-size="' + this.fontSize + '" ' : ''),
(this.fontStyle ? 'font-style="' + this.fontStyle + '" ' : ''),
(this.fontWeight ? 'font-weight="' + this.fontWeight + '" ' : ''),
(this.textDecoration ? 'text-decoration="' + this.textDecoration + '" ' : ''),
'style="', this.getSvgStyles(noShadow), '" >\n',
textAndBg.textSpans.join(''),
'\t\t</text>\n',
'\t</g>\n'
);
},
var charWidth = this._getWidthOfChar(this.ctx, chars[i], lineIndex, i);
/**
* @private
* @param {Number} textTopOffset Text top offset
* @param {Number} textLeftOffset Text left offset
* @return {Object}
*/
_getSVGTextAndBg: function(textTopOffset, textLeftOffset) {
var textSpans = [],
textBgRects = [],
height = textTopOffset, lineOffset;
// bounding-box background
this._setSVGBg(textBgRects);
if (styleDecl.textBackgroundColor) {
textBgRects.push(
this._createTextCharBg(
styleDecl, lineLeftOffset, lineOffset.lineTop, heightOfLine, charWidth, charOffset));
// text and text-background
for (var i = 0, len = this._textLines.length; i < len; i++) {
lineOffset = this._getLineLeftOffset(i);
if (this.textBackgroundColor || this.styleHas('textBackgroundColor', i)) {
this._setSVGTextLineBg(textBgRects, i, textLeftOffset + lineOffset, height);
}
charOffset += charWidth;
this._setSVGTextLineText(textSpans, i, textLeftOffset + lineOffset, height);
height += this.getHeightOfLine(i);
}
return {
textSpans: textSpans,
textBgRects: textBgRects
};
},
/**
* @private
*/
_createTextCharSpan: function(_char, styleDecl, left, top) {
var styleProps = this.getSvgSpanStyles(styleDecl, false),
fillStyles = styleProps ? 'style="' + styleProps + '"' : '';
return [
'\t\t\t<tspan x="', toFixed(left, NUM_FRACTION_DIGITS), '" y="',
toFixed(top, NUM_FRACTION_DIGITS), '" ',
fillStyles, '>',
fabric.util.string.escapeXml(_char),
'</tspan>\n'
].join('');
},
_setSVGTextLineText: function(textSpans, lineIndex, textLeftOffset, textTopOffset) {
// set proper line offset
var lineHeight = this.getHeightOfLine(lineIndex),
actualStyle,
nextStyle,
charsToRender = '',
charBox, style,
boxWidth = 0,
line = this._textLines[lineIndex],
timeToRender;
textTopOffset += lineHeight * (1 - this._fontSizeFraction) / this.lineHeight;
for (var i = 0, len = line.length - 1; i <= len; i++) {
timeToRender = i === len || this.charSpacing;
charsToRender += line[i];
charBox = this.__charBounds[lineIndex][i];
if (boxWidth === 0) {
textLeftOffset += charBox.kernedWidth - charBox.width;
}
boxWidth += charBox.kernedWidth;
if (this.textAlign === 'justify' && !timeToRender) {
if (this._reSpaceAndTab.test(line[i])) {
timeToRender = true;
}
}
if (!timeToRender) {
// if we have charSpacing, we render char by char
actualStyle = actualStyle || this.getCompleteStyleDeclaration(lineIndex, i);
nextStyle = this.getCompleteStyleDeclaration(lineIndex, i + 1);
timeToRender = this._hasStyleChanged(actualStyle, nextStyle);
}
if (timeToRender) {
style = this._getStyleDeclaration(lineIndex, i) || { };
textSpans.push(this._createTextCharSpan(charsToRender, style, textLeftOffset, textTopOffset));
charsToRender = '';
actualStyle = nextStyle;
textLeftOffset += boxWidth;
boxWidth = 0;
}
}
},
_pushTextBgRect: function(textBgRects, color, left, top, width, height) {
textBgRects.push(
'\t\t<rect ',
this._getFillAttributes(color),
' x="',
toFixed(left, NUM_FRACTION_DIGITS),
'" y="',
toFixed(top, NUM_FRACTION_DIGITS),
'" width="',
toFixed(width, NUM_FRACTION_DIGITS),
'" height="',
toFixed(height, NUM_FRACTION_DIGITS),
'"></rect>\n');
},
_setSVGTextLineBg: function(textBgRects, i, leftOffset, textTopOffset) {
var line = this._textLines[i],
heightOfLine = this.getHeightOfLine(i) / this.lineHeight,
boxWidth = 0,
boxStart = 0,
charBox, currentColor,
lastColor = this.getValueOfPropertyAt(i, 0, 'textBackgroundColor');
for (var j = 0, jlen = line.length; j < jlen; j++) {
charBox = this.__charBounds[i][j];
currentColor = this.getValueOfPropertyAt(i, j, 'textBackgroundColor');
if (currentColor !== lastColor) {
lastColor && this._pushTextBgRect(textBgRects, lastColor, leftOffset + boxStart,
textTopOffset, boxWidth, heightOfLine);
boxStart = charBox.left;
boxWidth = charBox.width;
lastColor = currentColor;
}
else {
boxWidth += charBox.kernedWidth;
}
}
currentColor && this._pushTextBgRect(textBgRects, currentColor, leftOffset + boxStart,
textTopOffset, boxWidth, heightOfLine);
},
/**
* Adobe Illustrator (at least CS5) is unable to render rgba()-based fill values
* we work around it by "moving" alpha channel into opacity attribute and setting fill's alpha to 1
*
* @private
* @param {*} value
* @return {String}
*/
_getFillAttributes: function(value) {
var fillColor = (value && typeof value === 'string') ? new fabric.Color(value) : '';
if (!fillColor || !fillColor.getSource() || fillColor.getAlpha() === 1) {
return 'fill="' + value + '"';
}
return 'opacity="' + fillColor.getAlpha() + '" fill="' + fillColor.setAlpha(1).toRgb() + '"';
},
/**
@ -55,55 +207,14 @@
_getSVGLineTopOffset: function(lineIndex) {
var lineTopOffset = 0, lastHeight = 0;
for (var j = 0; j < lineIndex; j++) {
lineTopOffset += this._getHeightOfLine(this.ctx, j);
lineTopOffset += this.getHeightOfLine(j);
}
lastHeight = this._getHeightOfLine(this.ctx, j);
lastHeight = this.getHeightOfLine(j);
return {
lineTop: lineTopOffset,
offset: (this._fontSizeMult - this._fontSizeFraction) * lastHeight / (this.lineHeight * this._fontSizeMult)
};
},
/**
* @private
*/
_createTextCharBg: function(styleDecl, lineLeftOffset, lineTopOffset, heightOfLine, charWidth, charOffset) {
return [
'\t\t<rect fill="', styleDecl.textBackgroundColor,
'" x="', toFixed(lineLeftOffset + charOffset, NUM_FRACTION_DIGITS),
'" y="', toFixed(lineTopOffset - this.height / 2, NUM_FRACTION_DIGITS),
'" width="', toFixed(charWidth, NUM_FRACTION_DIGITS),
'" height="', toFixed(heightOfLine / this.lineHeight, NUM_FRACTION_DIGITS),
'"></rect>\n'
].join('');
},
/**
* @private
*/
_createTextCharSpan: function(_char, styleDecl, lineLeftOffset, lineTopOffset, charOffset) {
var fillStyles = this.getSvgStyles.call(fabric.util.object.extend({
visible: true,
fill: this.fill,
stroke: this.stroke,
type: 'text',
getSvgFilter: fabric.Object.prototype.getSvgFilter
}, styleDecl));
return [
'\t\t\t<tspan x="', toFixed(lineLeftOffset + charOffset, NUM_FRACTION_DIGITS), '" y="',
toFixed(lineTopOffset - this.height / 2, NUM_FRACTION_DIGITS), '" ',
(styleDecl.fontFamily ? 'font-family="' + styleDecl.fontFamily.replace(/"/g, '\'') + '" ' : ''),
(styleDecl.fontSize ? 'font-size="' + styleDecl.fontSize + '" ' : ''),
(styleDecl.fontStyle ? 'font-style="' + styleDecl.fontStyle + '" ' : ''),
(styleDecl.fontWeight ? 'font-weight="' + styleDecl.fontWeight + '" ' : ''),
(styleDecl.textDecoration ? 'text-decoration="' + styleDecl.textDecoration + '" ' : ''),
'style="', fillStyles, '">',
fabric.util.string.escapeXml(_char),
'</tspan>\n'
].join('');
}
});
})();
/* _TO_SVG_END_ */

451
src/mixins/itext_behavior.mixin.js
View file

@ -172,7 +172,7 @@
*/
selectAll: function() {
this.selectionStart = 0;
this.selectionEnd = this.text.length;
this.selectionEnd = this._text.length;
this._fireSelectionChanged();
this._updateTextarea();
},
@ -182,7 +182,7 @@
* @return {String}
*/
getSelectedText: function() {
return this.text.slice(this.selectionStart, this.selectionEnd);
return this._text.slice(this.selectionStart, this.selectionEnd).join('');
},
/**
@ -194,13 +194,13 @@
var offset = 0, index = startFrom - 1;
// remove space before cursor first
if (this._reSpace.test(this.text.charAt(index))) {
while (this._reSpace.test(this.text.charAt(index))) {
if (this._reSpace.test(this._text[index])) {
while (this._reSpace.test(this._text[index])) {
offset++;
index--;
}
}
while (/\S/.test(this.text.charAt(index)) && index > -1) {
while (/\S/.test(this._text[index]) && index > -1) {
offset++;
index--;
}
@ -217,13 +217,13 @@
var offset = 0, index = startFrom;
// remove space after cursor first
if (this._reSpace.test(this.text.charAt(index))) {
while (this._reSpace.test(this.text.charAt(index))) {
if (this._reSpace.test(this._text[index])) {
while (this._reSpace.test(this._text[index])) {
offset++;
index++;
}
}
while (/\S/.test(this.text.charAt(index)) && index < this.text.length) {
while (/\S/.test(this._text[index]) && index < this.text.length) {
offset++;
index++;
}
@ -239,7 +239,7 @@
findLineBoundaryLeft: function(startFrom) {
var offset = 0, index = startFrom - 1;
while (!/\n/.test(this.text.charAt(index)) && index > -1) {
while (!/\n/.test(this._text[index]) && index > -1) {
offset++;
index--;
}
@ -255,7 +255,7 @@
findLineBoundaryRight: function(startFrom) {
var offset = 0, index = startFrom;
while (!/\n/.test(this.text.charAt(index)) && index < this.text.length) {
while (!/\n/.test(this._text[index]) && index < this.text.length) {
offset++;
index++;
}
@ -263,22 +263,6 @@
return startFrom + offset;
},
/**
* Returns number of newlines in selected text
* @return {Number} Number of newlines in selected text
*/
getNumNewLinesInSelectedText: function() {
var selectedText = this.getSelectedText(),
numNewLines = 0;
for (var i = 0, len = selectedText.length; i < len; i++) {
if (selectedText[i] === '\n') {
numNewLines++;
}
}
return numNewLines;
},
/**
* Finds index corresponding to beginning or end of a word
* @param {Number} selectionStart Index of a character
@ -349,6 +333,7 @@
this.initHiddenTextarea(e);
this.hiddenTextarea.focus();
this.hiddenTextarea.value = this.text;
this._updateTextarea();
this._saveEditingProps();
this._setEditingProps();
@ -434,22 +419,76 @@
this.lockMovementX = this.lockMovementY = true;
},
/**
* convert from textarea to grapheme indexes
*/
fromStringToGraphemeSelection: function(start, end, text) {
var smallerTextStart = text.slice(0, start),
graphemeStart = fabric.util.string.graphemeSplit(smallerTextStart).length;
if (start === end) {
return { selectionStart: graphemeStart, selectionEnd: graphemeStart };
}
var smallerTextEnd = text.slice(start, end),
graphemeEnd = fabric.util.string.graphemeSplit(smallerTextEnd).length;
return { selectionStart: graphemeStart, selectionEnd: graphemeStart + graphemeEnd };
},
/**
* convert from fabric to textarea values
*/
fromGraphemeToStringSelection: function(start, end, _text) {
var smallerTextStart = _text.slice(0, start),
graphemeStart = smallerTextStart.join('').length;
if (start === end) {
return { selectionStart: graphemeStart, selectionEnd: graphemeStart };
}
var smallerTextEnd = _text.slice(start, end),
graphemeEnd = smallerTextEnd.join('').length;
return { selectionStart: graphemeStart, selectionEnd: graphemeStart + graphemeEnd };
},
/**
* @private
*/
_updateTextarea: function() {
if (!this.hiddenTextarea || this.inCompositionMode) {
this.cursorOffsetCache = { };
if (!this.hiddenTextarea) {
return;
}
if (!this.inCompositionMode) {
var newSelection = this.fromGraphemeToStringSelection(this.selectionStart, this.selectionEnd, this._text);
this.hiddenTextarea.selectionStart = newSelection.selectionStart;
this.hiddenTextarea.selectionEnd = newSelection.selectionEnd;
}
this.updateTextareaPosition();
},
/**
* @private
*/
updateFromTextArea: function() {
if (!this.hiddenTextarea) {
return;
}
this.cursorOffsetCache = { };
this.hiddenTextarea.value = this.text;
this.hiddenTextarea.selectionStart = this.selectionStart;
this.hiddenTextarea.selectionEnd = this.selectionEnd;
this.text = this.hiddenTextarea.value;
var newSelection = this.fromStringToGraphemeSelection(
this.hiddenTextarea.selectionStart, this.hiddenTextarea.selectionEnd, this.hiddenTextarea.value);
this.selectionEnd = this.selectionStart = newSelection.selectionEnd;
if (!this.inCompositionMode) {
this.selectionStart = newSelection.selectionStart;
}
this.updateTextareaPosition();
},
/**
* @private
*/
updateTextareaPosition: function() {
if (this.selectionStart === this.selectionEnd) {
var style = this._calcTextareaPosition();
this.hiddenTextarea.style.left = style.left;
this.hiddenTextarea.style.top = style.top;
this.hiddenTextarea.style.fontSize = style.fontSize;
}
},
@ -461,12 +500,12 @@
if (!this.canvas) {
return { x: 1, y: 1 };
}
var chars = this.text.split(''),
boundaries = this._getCursorBoundaries(chars, 'cursor'),
cursorLocation = this.get2DCursorLocation(),
var desiredPostion = this.inCompositionMode ? this.compositionStart : this.selectionStart,
boundaries = this._getCursorBoundaries(desiredPostion),
cursorLocation = this.get2DCursorLocation(desiredPostion),
lineIndex = cursorLocation.lineIndex,
charIndex = cursorLocation.charIndex,
charHeight = this.getCurrentCharFontSize(lineIndex, charIndex),
charHeight = this.getValueOfPropertyAt(lineIndex, charIndex, 'fontSize') * this.lineHeight,
leftOffset = boundaries.leftOffset,
m = this.calcTransformMatrix(),
p = {
@ -479,7 +518,6 @@
p = fabric.util.transformPoint(p, m);
p = fabric.util.transformPoint(p, this.canvas.viewportTransform);
if (p.x < 0) {
p.x = 0;
}
@ -497,7 +535,7 @@
p.x += this.canvas._offset.left;
p.y += this.canvas._offset.top;
return { left: p.x + 'px', top: p.y + 'px', fontSize: charHeight };
return { left: p.x + 'px', top: p.y + 'px', fontSize: charHeight + 'px', charHeight: charHeight };
},
/**
@ -580,77 +618,80 @@
},
/**
* @private
* remove and reflow a style block from start to end.
* @param {Number} start linear start position for removal (included in removal)
* @param {Number} end linear end position for removal ( excluded from removal )
*/
_removeCharsFromTo: function(start, end) {
while (end !== start) {
this._removeSingleCharAndStyle(start + 1);
end--;
}
this.selectionStart = start;
this.selectionEnd = start;
},
_removeSingleCharAndStyle: function(index) {
var isBeginningOfLine = this.text[index - 1] === '\n',
indexStyle = isBeginningOfLine ? index : index - 1;
this.removeStyleObject(isBeginningOfLine, indexStyle);
this.text = this.text.slice(0, index - 1) +
this.text.slice(index);
this._textLines = this._splitTextIntoLines();
},
/**
* Inserts characters where cursor is (replacing selection if one exists)
* @param {String} _chars Characters to insert
* @param {Boolean} useCopiedStyle use fabric.copiedTextStyle
*/
insertChars: function(_chars, useCopiedStyle) {
var style;
if (this.selectionEnd - this.selectionStart > 1) {
this._removeCharsFromTo(this.selectionStart, this.selectionEnd);
}
//short circuit for block paste
if (!useCopiedStyle && this.isEmptyStyles()) {
this.insertChar(_chars, false);
return;
}
for (var i = 0, len = _chars.length; i < len; i++) {
if (useCopiedStyle) {
style = fabric.util.object.clone(fabric.copiedTextStyle[i], true);
removeStyleFromTo: function(start, end) {
var cursorStart = this.get2DCursorLocation(start, true),
cursorEnd = this.get2DCursorLocation(end, true),
lineStart = cursorStart.lineIndex,
charStart = cursorStart.charIndex,
lineEnd = cursorEnd.lineIndex,
charEnd = cursorEnd.charIndex,
i, styleObj;
if (lineStart !== lineEnd) {
// step1 remove the trailing of lineStart
if (this.styles[lineStart]) {
for (i = charStart; i < this._textLines[lineStart].length; i++) {
delete this.styles[lineStart][i];
}
}
// step2 move the trailing of lineEnd to lineStart if needed
if (this.styles[lineEnd]) {
for (i = charEnd; i < this._textLines[lineEnd].length; i++) {
styleObj = this.styles[lineEnd][i];
if (styleObj) {
this.styles[lineStart] || (this.styles[lineStart] = { });
this.styles[lineStart][charStart + i - charEnd] = styleObj;
}
}
}
// step3 detects lines will be completely removed.
for (i = lineStart + 1; i <= lineEnd; i++) {
delete this.styles[i];
}
// step4 shift remaining lines.
this.shiftLineStyles(lineEnd, lineStart - lineEnd);
}
else {
// remove and shift left on the same line
if (this.styles[lineStart]) {
styleObj = this.styles[lineStart];
var diff = charEnd - charStart;
for (i = charStart; i < charEnd; i++) {
delete styleObj[i];
}
for (i = charEnd; i < this._textLines[lineStart].length; i++) {
//shifting
if (styleObj[i]) {
styleObj[i - diff] = styleObj[i];
delete styleObj[i];
}
}
}
this.insertChar(_chars[i], i < len - 1, style);
}
},
/**
* Inserts a character where cursor is
* @param {String} _char Characters to insert
* @param {Boolean} skipUpdate trigger rendering and updates at the end of text insert
* @param {Object} styleObject Style to be inserted for the new char
* Shifts line styles up or down
* @param {Number} lineIndex Index of a line
* @param {Number} offset Can any number?
*/
insertChar: function(_char, skipUpdate, styleObject) {
var isEndOfLine = this.text[this.selectionStart] === '\n';
this.text = this.text.slice(0, this.selectionStart) +
_char + this.text.slice(this.selectionEnd);
this._textLines = this._splitTextIntoLines();
this.insertStyleObjects(_char, isEndOfLine, styleObject);
this.selectionStart += _char.length;
this.selectionEnd = this.selectionStart;
if (skipUpdate) {
return;
}
this._updateTextarea();
this.setCoords();
this._fireSelectionChanged();
this.fire('changed');
this.restartCursorIfNeeded();
if (this.canvas) {
this.canvas.fire('text:changed', { target: this });
this.canvas.renderAll();
shiftLineStyles: function(lineIndex, offset) {
// shift all line styles by 1 upward
// do not clone deep. we need new array, not new style objects
var clonedStyles = clone(this.styles);
for (var line in this.styles) {
var numericLine = parseInt(line, 10);
if (numericLine > lineIndex) {
this.styles[numericLine + offset] = clonedStyles[numericLine];
if (!clonedStyles[numericLine - offset]) {
delete this.styles[numericLine];
}
}
}
//TODO: evaluate if delete old style lines with offset -1
},
restartCursorIfNeeded: function() {
@ -665,39 +706,50 @@
* Inserts new style object
* @param {Number} lineIndex Index of a line
* @param {Number} charIndex Index of a char
* @param {Boolean} isEndOfLine True if it's end of line
* @param {Number} qty number of lines to add
* @param {Array} copiedStyle Array of objects styles
*/
insertNewlineStyleObject: function(lineIndex, charIndex, isEndOfLine) {
this.shiftLineStyles(lineIndex, +1);
var currentCharStyle = {},
newLineStyles = {};
insertNewlineStyleObject: function(lineIndex, charIndex, qty, copiedStyle) {
var currentCharStyle,
newLineStyles = {},
somethingAdded = false;
qty || (qty = 1);
this.shiftLineStyles(lineIndex, qty);
if (this.styles[lineIndex] && this.styles[lineIndex][charIndex - 1]) {
currentCharStyle = this.styles[lineIndex][charIndex - 1];
}
// if there's nothing after cursor,
// we clone current char style onto the next (otherwise empty) line
if (isEndOfLine && currentCharStyle) {
newLineStyles[0] = clone(currentCharStyle);
this.styles[lineIndex + 1] = newLineStyles;
}
// otherwise we clone styles of all chars
// after cursor onto the next line, from the beginning
else {
var somethingAdded = false;
for (var index in this.styles[lineIndex]) {
var numIndex = parseInt(index, 10);
if (numIndex >= charIndex) {
somethingAdded = true;
newLineStyles[numIndex - charIndex] = this.styles[lineIndex][index];
// remove lines from the previous line since they're on a new line now
delete this.styles[lineIndex][index];
}
// we clone styles of all chars
// after cursor onto the last line
for (var index in this.styles[lineIndex]) {
var numIndex = parseInt(index, 10);
if (numIndex >= charIndex) {
somethingAdded = true;
newLineStyles[numIndex - charIndex] = this.styles[lineIndex][index];
// remove lines from the previous line since they're on a new line now
delete this.styles[lineIndex][index];
}
}
if (somethingAdded) {
this.styles[lineIndex + qty] = newLineStyles;
}
else {
delete this.styles[lineIndex + qty];
}
// for the other lines
// we clone current char style onto the next (otherwise empty) line
while (qty > 1) {
qty--;
if (copiedStyle[qty]) {
this.styles[lineIndex + qty] = { 0: clone(copiedStyle[qty]) };
}
else if (currentCharStyle) {
this.styles[lineIndex + qty] = { 0: clone(currentCharStyle) };
}
else {
delete this.styles[lineIndex + qty];
}
somethingAdded && (this.styles[lineIndex + 1] = newLineStyles);
}
this._forceClearCache = true;
},
@ -706,137 +758,72 @@
* Inserts style object for a given line/char index
* @param {Number} lineIndex Index of a line
* @param {Number} charIndex Index of a char
* @param {Object} [style] Style object to insert, if given
* @param {Number} quantity number Style object to insert, if given
* @param {Array} copiedStyle array of style objecs
*/
insertCharStyleObject: function(lineIndex, charIndex, style) {
insertCharStyleObject: function(lineIndex, charIndex, quantity, copiedStyle) {
var currentLineStyles = this.styles[lineIndex],
currentLineStylesCloned = clone(currentLineStyles);
if (charIndex === 0 && !style) {
charIndex = 1;
}
// shift all char styles by 1 forward
quantity || (quantity = 1);
// shift all char styles by quantity forward
// 0,1,2,3 -> (charIndex=2) -> 0,1,3,4 -> (insert 2) -> 0,1,2,3,4
for (var index in currentLineStylesCloned) {
var numericIndex = parseInt(index, 10);
if (numericIndex >= charIndex) {
currentLineStyles[numericIndex + 1] = currentLineStylesCloned[numericIndex];
currentLineStyles[numericIndex + quantity] = currentLineStylesCloned[numericIndex];
// only delete the style if there was nothing moved there
if (!currentLineStylesCloned[numericIndex - 1]) {
if (!currentLineStylesCloned[numericIndex - quantity]) {
delete currentLineStyles[numericIndex];
}
}
}
var newStyle = style || currentLineStyles[charIndex - 1];
newStyle && (this.styles[lineIndex][charIndex] = newStyle);
this._forceClearCache = true;
if (!currentLineStyles) {
return;
}
if (copiedStyle) {
while (quantity--) {
this.styles[lineIndex][charIndex + quantity] = clone(copiedStyle[quantity]);
}
return;
}
var newStyle = currentLineStyles[charIndex ? charIndex - 1 : 1];
while (newStyle && quantity--) {
this.styles[lineIndex][charIndex + quantity] = clone(newStyle);
}
},
/**
* Inserts style object(s)
* @param {String} _chars Characters at the location where style is inserted
* @param {Boolean} isEndOfLine True if it's end of line
* @param {Object} [styleObject] Style to insert
* @param {Array} insertedText Characters at the location where style is inserted
* @param {Number} start True if it's end of line
*/
insertStyleObjects: function(_chars, isEndOfLine, styleObject) {
// removed shortcircuit over isEmptyStyles
var cursorLocation = this.get2DCursorLocation(),
lineIndex = cursorLocation.lineIndex,
charIndex = cursorLocation.charIndex;
if (!this._getLineStyle(lineIndex)) {
this._setLineStyle(lineIndex, {});
}
if (_chars === '\n') {
this.insertNewlineStyleObject(lineIndex, charIndex, isEndOfLine);
}
else {
this.insertCharStyleObject(lineIndex, charIndex, styleObject);
}
},
/**
* Shifts line styles up or down
* @param {Number} lineIndex Index of a line
* @param {Number} offset Can be -1 or +1
*/
shiftLineStyles: function(lineIndex, offset) {
// shift all line styles by 1 upward
var clonedStyles = clone(this.styles);
for (var line in this.styles) {
var numericLine = parseInt(line, 10);
if (numericLine > lineIndex) {
this.styles[numericLine + offset] = clonedStyles[numericLine];
if (!clonedStyles[numericLine - offset]) {
delete this.styles[numericLine];
insertNewStyleBlock: function(insertedText, start, copiedStyle) {
var cursorLoc = this.get2DCursorLocation(start, true),
addingNewLines = 0, addingChars = 0;
for (var i = 0; i < insertedText.length; i++) {
if (insertedText[i] === '\n') {
if (addingChars) {
this.insertCharStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addingChars, copiedStyle);
copiedStyle = copiedStyle && copiedStyle.slice(addingChars);
addingChars = 0;
}
addingNewLines++;
}
}
//TODO: evaluate if delete old style lines with offset -1
},
/**
* Removes style object
* @param {Boolean} isBeginningOfLine True if cursor is at the beginning of line
* @param {Number} [index] Optional index. When not given, current selectionStart is used.
*/
removeStyleObject: function(isBeginningOfLine, index) {
var cursorLocation = this.get2DCursorLocation(index),
lineIndex = cursorLocation.lineIndex,
charIndex = cursorLocation.charIndex;
this._removeStyleObject(isBeginningOfLine, cursorLocation, lineIndex, charIndex);
},
_getTextOnPreviousLine: function(lIndex) {
return this._textLines[lIndex - 1];
},
_removeStyleObject: function(isBeginningOfLine, cursorLocation, lineIndex, charIndex) {
if (isBeginningOfLine) {
var textOnPreviousLine = this._getTextOnPreviousLine(cursorLocation.lineIndex),
newCharIndexOnPrevLine = textOnPreviousLine ? textOnPreviousLine.length : 0;
if (!this.styles[lineIndex - 1]) {
this.styles[lineIndex - 1] = {};
}
for (charIndex in this.styles[lineIndex]) {
this.styles[lineIndex - 1][parseInt(charIndex, 10) + newCharIndexOnPrevLine]
= this.styles[lineIndex][charIndex];
}
this.shiftLineStyles(cursorLocation.lineIndex, -1);
}
else {
var currentLineStyles = this.styles[lineIndex];
if (currentLineStyles) {
delete currentLineStyles[charIndex];
}
var currentLineStylesCloned = clone(currentLineStyles);
// shift all styles by 1 backwards
for (var i in currentLineStylesCloned) {
var numericIndex = parseInt(i, 10);
if (numericIndex >= charIndex && numericIndex !== 0) {
currentLineStyles[numericIndex - 1] = currentLineStylesCloned[numericIndex];
delete currentLineStyles[numericIndex];
else {
if (addingNewLines) {
this.insertNewlineStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addingNewLines, copiedStyle);
copiedStyle = copiedStyle && copiedStyle.slice(addingNewLines);
addingNewLines = 0;
}
addingChars++;
}
}
},
/**
* Inserts new line
*/
insertNewline: function() {
this.insertChars('\n');
addingChars && this.insertCharStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addingChars, copiedStyle);
addingNewLines && this.insertNewlineStyleObject(
cursorLoc.lineIndex, cursorLoc.charIndex, addingNewLines, copiedStyle);
},
/**

59
src/mixins/itext_click_behavior.mixin.js
View file

@ -170,45 +170,37 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
width = 0,
height = 0,
charIndex = 0,
newSelectionStart,
lineIndex = 0,
lineLeftOffset,
line;
for (var i = 0, len = this._textLines.length; i < len; i++) {
line = this._textLines[i];
height += this._getHeightOfLine(this.ctx, i) * this.scaleY;
var widthOfLine = this._getLineWidth(this.ctx, i),
lineLeftOffset = this._getLineLeftOffset(widthOfLine);
width = lineLeftOffset * this.scaleX;
for (var j = 0, jlen = line.length; j < jlen; j++) {
prevWidth = width;
width += this._getWidthOfChar(this.ctx, line[j], i, this.flipX ? jlen - j : j) *
this.scaleX;
if (height <= mouseOffset.y || width <= mouseOffset.x) {
charIndex++;
continue;
if (height <= mouseOffset.y) {
height += this.getHeightOfLine(i) * this.scaleY;
lineIndex = i;
if (i > 0) {
charIndex += this._textLines[i - 1].length + 1;
}
return this._getNewSelectionStartFromOffset(
mouseOffset, prevWidth, width, charIndex + i, jlen);
}
if (mouseOffset.y < height) {
//this happens just on end of lines.
return this._getNewSelectionStartFromOffset(
mouseOffset, prevWidth, width, charIndex + i - 1, jlen);
else {
break;
}
}
// clicked somewhere after all chars, so set at the end
if (typeof newSelectionStart === 'undefined') {
return this.text.length;
lineLeftOffset = this._getLineLeftOffset(lineIndex);
width = lineLeftOffset * this.scaleX;
line = this._textLines[lineIndex];
for (var j = 0, jlen = line.length; j < jlen; j++) {
prevWidth = width;
// i removed something about flipX here, check.
width += this.__charBounds[lineIndex][j].kernedWidth * this.scaleX;
if (width <= mouseOffset.x) {
charIndex++;
}
else {
break;
}
}
return this._getNewSelectionStartFromOffset(mouseOffset, prevWidth, width, charIndex, jlen);
},
/**
@ -220,14 +212,13 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
distanceBtwNextCharAndCursor = width - mouseOffset.x,
offset = distanceBtwNextCharAndCursor > distanceBtwLastCharAndCursor ? 0 : 1,
newSelectionStart = index + offset;
// if object is horizontally flipped, mirror cursor location from the end
if (this.flipX) {
newSelectionStart = jlen - newSelectionStart;
}
if (newSelectionStart > this.text.length) {
newSelectionStart = this.text.length;
if (newSelectionStart > this._text.length) {
newSelectionStart = this._text.length;
}
return newSelectionStart;

224
src/mixins/itext_key_behavior.mixin.js
View file

@ -6,16 +6,21 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
initHiddenTextarea: function() {
this.hiddenTextarea = fabric.document.createElement('textarea');
this.hiddenTextarea.setAttribute('autocapitalize', 'off');
this.hiddenTextarea.setAttribute('autocorrect', 'off');
this.hiddenTextarea.setAttribute('autocomplete', 'off');
this.hiddenTextarea.setAttribute('spellcheck', 'false');
var style = this._calcTextareaPosition();
this.hiddenTextarea.style.cssText = 'position: absolute; top: ' + style.top + '; left: ' + style.left + ';'
+ ' opacity: 0; width: 0px; height: 0px; z-index: -999;';
this.hiddenTextarea.style.cssText = 'white-space: nowrap; position: absolute; top: ' + style.top +
'; left: ' + style.left + '; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px;' +
' line-height: 1px; paddingｰtop: ' + style.fontSize + ';';
fabric.document.body.appendChild(this.hiddenTextarea);
fabric.util.addListener(this.hiddenTextarea, 'keydown', this.onKeyDown.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'keyup', this.onKeyUp.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'input', this.onInput.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'copy', this.copy.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'cut', this.cut.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'cut', this.copy.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'paste', this.paste.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'compositionstart', this.onCompositionStart.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'compositionupdate', this.onCompositionUpdate.bind(this));
@ -31,10 +36,8 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
* @private
*/
_keysMap: {
8: 'removeChars',
9: 'exitEditing',
27: 'exitEditing',
13: 'insertNewline',
33: 'moveCursorUp',
34: 'moveCursorDown',
35: 'moveCursorRight',
@ -43,7 +46,6 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
38: 'moveCursorUp',
39: 'moveCursorRight',
40: 'moveCursorDown',
46: 'forwardDelete'
},
/**
@ -71,7 +73,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
* @param {Event} e Event object
*/
onKeyDown: function(e) {
if (!this.isEditing) {
if (!this.isEditing　|| this.inCompositionMode) {
return;
}
if (e.keyCode in this._keysMap) {
@ -102,7 +104,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
* @param {Event} e Event object
*/
onKeyUp: function(e) {
if (!this.isEditing || this._copyDone) {
if (!this.isEditing || this._copyDone || this.inCompositionMode) {
this._copyDone = false;
return;
}
@ -122,37 +124,75 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
* @param {Event} e Event object
*/
onInput: function(e) {
if (!this.isEditing || this.inCompositionMode) {
var fromPaste = this.fromPaste;
this.fromPaste = false;
e && e.stopPropagation();
if (!this.isEditing) {
return;
}
var offset = this.selectionStart || 0,
offsetEnd = this.selectionEnd || 0,
textLength = this.text.length,
newTextLength = this.hiddenTextarea.value.length,
diff, charsToInsert, start;
if (newTextLength > textLength) {
//we added some character
start = this._selectionDirection === 'left' ? offsetEnd : offset;
diff = newTextLength - textLength;
charsToInsert = this.hiddenTextarea.value.slice(start, start + diff);
}
else {
//we selected a portion of text and then input something else.
//Internet explorer does not trigger this else
diff = newTextLength - textLength + offsetEnd - offset;
charsToInsert = this.hiddenTextarea.value.slice(offset, offset + diff);
}
this.insertChars(charsToInsert);
e.stopPropagation();
},
// decisions about style changes.
var nextText = this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,
charCount = this._text.length,
nextCharCount = nextText.length,
removedText, insertedText,
charDiff = nextCharCount - charCount;
if (this.hiddenTextarea.value === '') {
this.styles = { };
this.updateFromTextArea();
this.fire('changed');
if (this.canvas) {
this.canvas.fire('text:changed', { target: this });
this.canvas.renderAll();
}
}
if (this.selectionStart !== this.selectionEnd) {
removedText = this._text.slice(this.selectionStart, this.selectionEnd);
charDiff += this.selectionEnd - this.selectionStart;
}
else if (nextCharCount < charCount) {
removedText = this._text.slice(this.selectionEnd + charDiff, this.selectionEnd);
}
var textareaSelection = this.fromStringToGraphemeSelection(
this.hiddenTextarea.selectionStart,
this.hiddenTextarea.selectionEnd,
this.hiddenTextarea.value
);
insertedText = nextText.slice(textareaSelection.selectionEnd - charDiff, textareaSelection.selectionEnd);
if (removedText && removedText.length) {
if (this.selectionStart !== this.selectionEnd) {
this.removeStyleFromTo(this.selectionStart, this.selectionEnd);
}
else if (this.selectionStart > textareaSelection.selectionStart) {
// detect differencies between forwardDelete and backDelete
this.removeStyleFromTo(this.selectionEnd - removedText.length, this.selectionEnd);
}
else {
this.removeStyleFromTo(this.selectionEnd, this.selectionEnd + removedText.length);
}
}
if (insertedText.length) {
console.log(insertedText, fromPaste, fabric.copiedText, fabric.copiedTextStyle)
if (fromPaste && insertedText.join('') === fabric.copiedText) {
this.insertNewStyleBlock(insertedText, this.selectionStart, fabric.copiedTextStyle);
}
else {
this.insertNewStyleBlock(insertedText, this.selectionStart);
}
}
this.updateFromTextArea();
this.fire('changed');
if (this.canvas) {
this.canvas.fire('text:changed', { target: this });
this.canvas.renderAll();
}
},
/**
* Composition start
*/
onCompositionStart: function() {
this.inCompositionMode = true;
this.prevCompositionLength = 0;
this.compositionStart = this.selectionStart;
},
/**
@ -162,52 +202,28 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
this.inCompositionMode = false;
},
/**
* Composition update
*/
// /**
// * Composition update
// */
onCompositionUpdate: function(e) {
var data = e.data;
this.selectionStart = this.compositionStart;
this.selectionEnd = this.selectionEnd === this.selectionStart ?
this.compositionStart + this.prevCompositionLength : this.selectionEnd;
this.insertChars(data, false);
this.prevCompositionLength = data.length;
},
/**
* Forward delete
*/
forwardDelete: function(e) {
if (this.selectionStart === this.selectionEnd) {
if (this.selectionStart === this.text.length) {
return;
}
this.moveCursorRight(e);
}
this.removeChars(e);
this.compositionStart = e.target.selectionStart;
this.compositionEnd = e.target.selectionEnd;
this.updateTextareaPosition();
},
/**
* Copies selected text
* @param {Event} e Event object
*/
copy: function(e) {
copy: function() {
if (this.selectionStart === this.selectionEnd) {
//do not cut-copy if no selection
return;
}
var selectedText = this.getSelectedText(),
clipboardData = this._getClipboardData(e);
// Check for backward compatibility with old browsers
if (clipboardData) {
clipboardData.setData('text', selectedText);
}
var selectedText = this.getSelectedText();
fabric.copiedText = selectedText;
fabric.copiedTextStyle = this.getSelectionStyles(this.selectionStart, this.selectionEnd);
e.stopImmediatePropagation();
e.preventDefault();
this._copyDone = true;
},
@ -215,40 +231,8 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
* Pastes text
* @param {Event} e Event object
*/
paste: function(e) {
var copiedText = null,
clipboardData = this._getClipboardData(e),
useCopiedStyle = true;
// Check for backward compatibility with old browsers
if (clipboardData) {
copiedText = clipboardData.getData('text').replace(/\r/g, '');
if (!fabric.copiedTextStyle || fabric.copiedText !== copiedText) {
useCopiedStyle = false;
}
}
else {
copiedText = fabric.copiedText;
}
if (copiedText) {
this.insertChars(copiedText, useCopiedStyle);
}
e.stopImmediatePropagation();
e.preventDefault();
},
/**
* Cuts text
* @param {Event} e Event object
*/
cut: function(e) {
if (this.selectionStart === this.selectionEnd) {
return;
}
this.copy(e);
this.removeChars(e);
paste: function() {
this.fromPaste = true;
},
/**
@ -268,13 +252,11 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
* @return {Number} widthBeforeCursor width before cursor
*/
_getWidthBeforeCursor: function(lineIndex, charIndex) {
var textBeforeCursor = this._textLines[lineIndex].slice(0, charIndex),
widthOfLine = this._getLineWidth(this.ctx, lineIndex),
widthBeforeCursor = this._getLineLeftOffset(widthOfLine), _char;
var widthBeforeCursor = this._getLineLeftOffset(lineIndex), bound;
for (var i = 0, len = textBeforeCursor.length; i < len; i++) {
_char = textBeforeCursor[i];
widthBeforeCursor += this._getWidthOfChar(this.ctx, _char, lineIndex, i);
if (charIndex > 0) {
bound = this.__charBounds[lineIndex][charIndex - 1];
widthBeforeCursor += bound.left + bound.width;
}
return widthBeforeCursor;
},
@ -292,13 +274,12 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
// if on last line, down cursor goes to end of line
if (lineIndex === this._textLines.length - 1 || e.metaKey || e.keyCode === 34) {
// move to the end of a text
return this.text.length - selectionProp;
return this._text.length - selectionProp;
}
var charIndex = cursorLocation.charIndex,
widthBeforeCursor = this._getWidthBeforeCursor(lineIndex, charIndex),
indexOnOtherLine = this._getIndexOnLine(lineIndex + 1, widthBeforeCursor),
textAfterCursor = this._textLines[lineIndex].slice(charIndex);
return textAfterCursor.length + indexOnOtherLine + 2;
},
@ -340,43 +321,34 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
},
/**
* find for a given width it founds the matching character.
* for a given width it founds the matching character.
* @private
*/
_getIndexOnLine: function(lineIndex, width) {
var widthOfLine = this._getLineWidth(this.ctx, lineIndex),
textOnLine = this._textLines[lineIndex],
lineLeftOffset = this._getLineLeftOffset(widthOfLine),
var line = this._textLines[lineIndex],
lineLeftOffset = this._getLineLeftOffset(lineIndex),
widthOfCharsOnLine = lineLeftOffset,
indexOnLine = 0,
foundMatch;
for (var j = 0, jlen = textOnLine.length; j < jlen; j++) {
var _char = textOnLine[j],
widthOfChar = this._getWidthOfChar(this.ctx, _char, lineIndex, j);
widthOfCharsOnLine += widthOfChar;
indexOnLine = 0, charWidth, foundMatch;
for (var j = 0, jlen = line.length; j < jlen; j++) {
charWidth = this.__charBounds[lineIndex][j].width;
widthOfCharsOnLine += charWidth;
if (widthOfCharsOnLine > width) {
foundMatch = true;
var leftEdge = widthOfCharsOnLine - widthOfChar,
var leftEdge = widthOfCharsOnLine - charWidth,
rightEdge = widthOfCharsOnLine,
offsetFromLeftEdge = Math.abs(leftEdge - width),
offsetFromRightEdge = Math.abs(rightEdge - width);
indexOnLine = offsetFromRightEdge < offsetFromLeftEdge ? j : (j - 1);
break;
}
}
// reached end
if (!foundMatch) {
indexOnLine = textOnLine.length - 1;
indexOnLine = line.length - 1;
}
return indexOnLine;
@ -388,7 +360,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
* @param {Event} e Event object
*/
moveCursorDown: function(e) {
if (this.selectionStart >= this.text.length && this.selectionEnd >= this.text.length) {
if (this.selectionStart >= this._text.length && this.selectionEnd >= this._text.length) {
return;
}
this._moveCursorUpOrDown('Down', e);
@ -543,7 +515,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
* @param {Event} e Event object
*/
moveCursorRight: function(e) {
if (this.selectionStart >= this.text.length && this.selectionEnd >= this.text.length) {
if (this.selectionStart >= this._text.length && this.selectionEnd >= this._text.length) {
return;
}
this._moveCursorLeftOrRight('Right', e);
@ -580,7 +552,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
if (this._selectionDirection === 'left' && this.selectionStart !== this.selectionEnd) {
return this._moveRight(e, 'selectionStart');
}
else if (this.selectionEnd !== this.text.length) {
else if (this.selectionEnd !== this._text.length) {
this._selectionDirection = 'right';
return this._moveRight(e, 'selectionEnd');
}

58
src/mixins/object.svg_export.js
View file

@ -1,5 +1,6 @@
/* _TO_SVG_START_ */
(function() {
var NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS;
function getSvgColorString(prop, value) {
if (!value) {
@ -20,6 +21,8 @@
}
}
var toFixed = fabric.util.toFixed;
fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {
/**
* Returns styles-string for svg-export
@ -55,6 +58,41 @@
].join('');
},
/**
* Returns styles-string for svg-export
* @param {Boolean} skipShadow a boolean to skip shadow filter output
* @return {String}
*/
getSvgSpanStyles: function(style) {
var strokeWidth = style.strokeWidth ? 'stroke-width: ' + style.strokeWidth + '; ' : '',
fontFamily = style.fontFamily ? 'font-family: ' + style.fontFamily.replace(/"/g, '\'') + '; ' : '',
fontSize = style.fontSize ? 'font-size: ' + style.fontSize + '; ' : '',
fontStyle = style.fontStyle ? 'font-style: ' + style.fontStyle + '; ' : '',
fontWeight = style.fontWeight ? 'font-weight: ' + style.fontWeight + '; ' : '',
fill = style.fill ? getSvgColorString('fill', style.fill) : '',
stroke = style.stroke ? getSvgColorString('stroke', style.stroke) : '',
textDecoration = this.getSvgTextDecoration(style);
return [
stroke,
strokeWidth,
fontFamily,
fontSize,
fontStyle,
fontWeight,
textDecoration,
fill,
].join('');
},
getSvgTextDecoration: function(style) {
if ('overline' in style || 'underline' in style || 'linethrough' in style) {
return 'text-decoration: ' + (style.overline ? 'overline ' : '') +
(style.underline ? 'underline ' : '') + (style.linethrough ? 'line-through ' : '') + ';';
}
return '';
},
/**
* Returns filter for svg shadow
* @return {String}
@ -79,8 +117,7 @@
if (this.group && this.group.type === 'path-group') {
return '';
}
var toFixed = fabric.util.toFixed,
angle = this.getAngle(),
var angle = this.getAngle(),
skewX = (this.getSkewX() % 360),
skewY = (this.getSkewY() % 360),
center = this.getCenterPoint(),
@ -130,6 +167,23 @@
return this.transformMatrix ? ' matrix(' + this.transformMatrix.join(' ') + ') ' : '';
},
_setSVGBg: function(textBgRects) {
if (this.backgroundColor) {
textBgRects.push(
'\t\t<rect ',
this._getFillAttributes(this.backgroundColor),
' x="',
toFixed(-this.width / 2, NUM_FRACTION_DIGITS),
'" y="',
toFixed(-this.height / 2, NUM_FRACTION_DIGITS),
'" width="',
toFixed(this.width, NUM_FRACTION_DIGITS),
'" height="',
toFixed(this.height, NUM_FRACTION_DIGITS),
'"></rect>\n');
}
},
/**
* @private
*/

77
src/mixins/textbox_behavior.mixin.js
View file

@ -52,82 +52,5 @@
}
},
/**
* Inserts style object for a given line/char index
* @param {Number} lineIndex Index of a line
* @param {Number} charIndex Index of a char
* @param {Object} [style] Style object to insert, if given
*/
insertCharStyleObject: function(lineIndex, charIndex, style) {
// adjust lineIndex and charIndex
var map = this._styleMap[lineIndex];
lineIndex = map.line;
charIndex = map.offset + charIndex;
fabric.IText.prototype.insertCharStyleObject.apply(this, [lineIndex, charIndex, style]);
},
/**
* Inserts new style object
* @param {Number} lineIndex Index of a line
* @param {Number} charIndex Index of a char
* @param {Boolean} isEndOfLine True if it's end of line
*/
insertNewlineStyleObject: function(lineIndex, charIndex, isEndOfLine) {
// adjust lineIndex and charIndex
var map = this._styleMap[lineIndex];
lineIndex = map.line;
charIndex = map.offset + charIndex;
fabric.IText.prototype.insertNewlineStyleObject.apply(this, [lineIndex, charIndex, isEndOfLine]);
},
/**
* Shifts line styles up or down. This function is slightly different than the one in
* itext_behaviour as it takes into account the styleMap.
*
* @param {Number} lineIndex Index of a line
* @param {Number} offset Can be -1 or +1
*/
shiftLineStyles: function(lineIndex, offset) {
// shift all line styles by 1 upward
var map = this._styleMap[lineIndex];
// adjust line index
lineIndex = map.line;
fabric.IText.prototype.shiftLineStyles.call(this, lineIndex, offset);
},
/**
* Figure out programatically the text on previous actual line (actual = separated by \n);
*
* @param {Number} lIndex
* @returns {String}
* @private
*/
_getTextOnPreviousLine: function(lIndex) {
var textOnPreviousLine = this._textLines[lIndex - 1];
while (this._styleMap[lIndex - 2] && this._styleMap[lIndex - 2].line === this._styleMap[lIndex - 1].line) {
textOnPreviousLine = this._textLines[lIndex - 2] + textOnPreviousLine;
lIndex--;
}
return textOnPreviousLine;
},
/**
* Removes style object
* @param {Boolean} isBeginningOfLine True if cursor is at the beginning of line
* @param {Number} [index] Optional index. When not given, current selectionStart is used.
*/
removeStyleObject: function(isBeginningOfLine, index) {
var cursorLocation = this.get2DCursorLocation(index),
map = this._styleMap[cursorLocation.lineIndex],
lineIndex = map.line,
charIndex = map.offset + cursorLocation.charIndex;
this._removeStyleObject(isBeginningOfLine, cursorLocation, lineIndex, charIndex);
}
});
})();

36
src/mixins/textbox_click_behavior.mixin.js
View file

@ -1,36 +0,0 @@
(function() {
var override = fabric.IText.prototype._getNewSelectionStartFromOffset;
/**
* Overrides the IText implementation and adjusts character index as there is not always a linebreak
*
* @param {Number} mouseOffset
* @param {Number} prevWidth
* @param {Number} width
* @param {Number} index
* @param {Number} jlen
* @returns {Number}
*/
fabric.IText.prototype._getNewSelectionStartFromOffset = function(mouseOffset, prevWidth, width, index, jlen) {
index = override.call(this, mouseOffset, prevWidth, width, index, jlen);
// the index passed into the function is padded by the amount of lines from _textLines (to account for \n)
// we need to remove this padding, and pad it by actual lines, and / or spaces that are meant to be there
var tmp = 0,
removed = 0;
// account for removed characters
for (var i = 0; i < this._textLines.length; i++) {
tmp += this._textLines[i].length;
if (tmp + removed >= index) {
break;
}
if (this.text[tmp + removed] === '\n' || this.text[tmp + removed] === ' ') {
removed++;
}
}
return index - i + removed;
};
})();

2
src/shapes/image.class.js
View file

@ -235,7 +235,7 @@
h = this.height;
ctx.save();
this._setStrokeStyles(ctx);
this._setStrokeStyles(ctx, this);
ctx.beginPath();
fabric.util.drawDashedLine(ctx, x, y, x + w, y, this.strokeDashArray);

871
src/shapes/itext.class.js
View file

File diff suppressed because it is too large Load diff

34
src/shapes/object.class.js
View file

@ -1149,7 +1149,7 @@
this.transform(ctx);
}
this._setOpacity(ctx);
this._setShadow(ctx);
this._setShadow(ctx, this);
if (this.transformMatrix) {
ctx.transform.apply(ctx, this.transformMatrix);
}
@ -1182,8 +1182,8 @@
*/
drawObject: function(ctx, noTransform) {
this._renderBackground(ctx);
this._setStrokeStyles(ctx);
this._setFillStyles(ctx);
this._setStrokeStyles(ctx, this);
this._setFillStyles(ctx, this);
this._render(ctx, noTransform);
},
@ -1250,23 +1250,23 @@
ctx.globalAlpha *= this.opacity;
},
_setStrokeStyles: function(ctx) {
if (this.stroke) {
ctx.lineWidth = this.strokeWidth;
ctx.lineCap = this.strokeLineCap;
ctx.lineJoin = this.strokeLineJoin;
ctx.miterLimit = this.strokeMiterLimit;
ctx.strokeStyle = this.stroke.toLive
? this.stroke.toLive(ctx, this)
: this.stroke;
_setStrokeStyles: function(ctx, decl) {
if (decl.stroke) {
ctx.lineWidth = decl.strokeWidth;
ctx.lineCap = decl.strokeLineCap;
ctx.lineJoin = decl.strokeLineJoin;
ctx.miterLimit = decl.strokeMiterLimit;
ctx.strokeStyle = decl.stroke.toLive
? decl.stroke.toLive(ctx, this)
: decl.stroke;
}
},
_setFillStyles: function(ctx) {
if (this.fill) {
ctx.fillStyle = this.fill.toLive
? this.fill.toLive(ctx, this)
: this.fill;
_setFillStyles: function(ctx, decl) {
if (decl.fill) {
ctx.fillStyle = decl.fill.toLive
? decl.fill.toLive(ctx, this)
: decl.fill;
}
},

1226
src/shapes/text.class.js
View file

File diff suppressed because it is too large Load diff

239
src/shapes/textbox.class.js
View file

@ -82,34 +82,35 @@
/**
* Unlike superclass's version of this function, Textbox does not update
* its width.
* @param {CanvasRenderingContext2D} ctx Context to use for measurements
* @private
* @override
*/
_initDimensions: function(ctx) {
initDimensions: function() {
if (this.__skipDimension) {
return;
}
if (!ctx) {
ctx = fabric.util.createCanvasElement().getContext('2d');
this._setTextStyles(ctx);
this.clearContextTop();
}
this.abortCursorAnimation();
this.clearContextTop();
this._clearCache();
// clear dynamicMinWidth as it will be different after we re-wrap line
this.dynamicMinWidth = 0;
// wrap lines
this._textLines = this._splitTextIntoLines(ctx);
var newText = this._splitTextIntoLines(this.text);
this.textLines = newText.lines;
this._textLines = newText.graphemeLines;
this._unwrappedTextLines = newText._unwrappedLines;
this._text = newText.graphemeText;
this._styleMap = this._generateStyleMap(newText);
// if after wrapping, the width is smaller than dynamicMinWidth, change the width and re-wrap
if (this.dynamicMinWidth > this.width) {
this._set('width', this.dynamicMinWidth);
}
if (this.textAlign === 'justify') {
// once text is misured we need to make space fatter to make justified text.
this.enlargeSpaces();
}
// clear cache and re-calculate height
this._clearCache();
this.height = this._getTextHeight(ctx);
this.height = this.calcTextHeight();
},
/**
@ -119,19 +120,19 @@
* which is only sufficient for Text / IText
* @private
*/
_generateStyleMap: function() {
_generateStyleMap: function(textInfo) {
var realLineCount = 0,
realLineCharCount = 0,
charCount = 0,
map = {};
for (var i = 0; i < this._textLines.length; i++) {
if (this.text[charCount] === '\n' && i > 0) {
for (var i = 0; i < textInfo.graphemeLines.length; i++) {
if (textInfo.graphemeText[charCount] === '\n' && i > 0) {
realLineCharCount = 0;
charCount++;
realLineCount++;
}
else if (this.text[charCount] === ' ' && i > 0) {
else if (this._reSpaceAndTab.test(textInfo.graphemeText[charCount]) && i > 0) {
// this case deals with space's that are removed from end of lines when wrapping
realLineCharCount++;
charCount++;
@ -139,29 +140,43 @@
map[i] = { line: realLineCount, offset: realLineCharCount };
charCount += this._textLines[i].length;
realLineCharCount += this._textLines[i].length;
charCount += textInfo.graphemeLines[i].length;
realLineCharCount += textInfo.graphemeLines[i].length;
}
return map;
},
/**
* Returns true if object has a style property or has it ina specified line
* @param {Number} lineIndex
* @return {Boolean}
*/
styleHas: function(property, lineIndex) {
if (this._styleMap && !this.isWrapping) {
var map = this._styleMap[lineIndex];
if (map) {
lineIndex = map.line;
}
}
return fabric.Text.prototype.styleHas.call(this, property, lineIndex);
},
/**
* @param {Number} lineIndex
* @param {Number} charIndex
* @param {Boolean} [returnCloneOrEmpty=false]
* @private
*/
_getStyleDeclaration: function(lineIndex, charIndex, returnCloneOrEmpty) {
if (this._styleMap) {
_getStyleDeclaration: function(lineIndex, charIndex) {
if (this._styleMap && !this.isWrapping) {
var map = this._styleMap[lineIndex];
if (!map) {
return returnCloneOrEmpty ? { } : null;
return null;
}
lineIndex = map.line;
charIndex = map.offset + charIndex;
}
return this.callSuper('_getStyleDeclaration', lineIndex, charIndex, returnCloneOrEmpty);
return this.callSuper('_getStyleDeclaration', lineIndex, charIndex);
},
/**
@ -224,23 +239,23 @@
* splits text on newlines, so we preserve newlines entered by the user.
* Then it wraps each line using the width of the Textbox by calling
* _wrapLine().
* @param {CanvasRenderingContext2D} ctx Context to use for measurements
* @param {String} text The string of text that is split into lines
* @param {Array} lines The string array of text that is split into lines
* @param {Number} desiredWidth width you want to wrap to
* @returns {Array} Array of lines
*/
_wrapText: function(ctx, text) {
var lines = text.split(this._reNewline), wrapped = [], i;
_wrapText: function(lines, desiredWidth) {
var wrapped = [], i;
this.isWrapping = true;
for (i = 0; i < lines.length; i++) {
wrapped = wrapped.concat(this._wrapLine(ctx, lines[i], i));
wrapped = wrapped.concat(this._wrapLine(lines[i], i, desiredWidth));
}
this.isWrapping = false;
return wrapped;
},
/**
* Helper function to measure a string of text, given its lineIndex and charIndex offset
*
* it gets called when charBounds are not available yet.
* @param {CanvasRenderingContext2D} ctx
* @param {String} text
* @param {number} lineIndex
@ -248,28 +263,31 @@
* @returns {number}
* @private
*/
_measureText: function(ctx, text, lineIndex, charOffset) {
var width = 0;
_measureWord: function(word, lineIndex, charOffset) {
var width = 0, prevGrapheme, skipLeft = true;
charOffset = charOffset || 0;
for (var i = 0, len = text.length; i < len; i++) {
width += this._getWidthOfChar(ctx, text[i], lineIndex, i + charOffset);
for (var i = 0, len = word.length; i < len; i++) {
var box = this._getGraphemeBox(word[i], lineIndex, i + charOffset, prevGrapheme, skipLeft);
width += box.kernedWidth;
prevGrapheme = word[i];
}
return width;
},
/**
* Wraps a line of text using the width of the Textbox and a context.
* @param {CanvasRenderingContext2D} ctx Context to use for measurements
* @param {String} text The string of text to split into lines
* @param {Array} line The grapheme array that represent the line
* @param {Number} lineIndex
* @param {Number} desiredWidth width you want to wrap the line to
* @returns {Array} Array of line(s) into which the given text is wrapped
* to.
*/
_wrapLine: function(ctx, text, lineIndex) {
_wrapLine: function(_line, lineIndex, desiredWidth) {
var lineWidth = 0,
lines = [],
line = '',
words = text.split(' '),
graphemeLines = [],
line = [],
// spaces in different languges?
words = _line.split(this._reSpaceAndTab),
word = '',
offset = 0,
infix = ' ',
@ -278,31 +296,27 @@
largestWordWidth = 0,
lineJustStarted = true,
additionalSpace = this._getWidthOfCharSpacing();
for (var i = 0; i < words.length; i++) {
word = words[i];
wordWidth = this._measureText(ctx, word, lineIndex, offset);
// i would avoid resplitting the graphemes
word = fabric.util.string.graphemeSplit(words[i]);
wordWidth = this._measureWord(word, lineIndex, offset);
offset += word.length;
lineWidth += infixWidth + wordWidth - additionalSpace;
if (lineWidth >= this.width && !lineJustStarted) {
lines.push(line);
line = '';
if (lineWidth >= desiredWidth && !lineJustStarted) {
graphemeLines.push(line);
line = [];
lineWidth = wordWidth;
lineJustStarted = true;
}
else {
lineWidth += additionalSpace;
}
if (!lineJustStarted) {
line += infix;
line.push(infix);
}
line += word;
line = line.concat(word);
infixWidth = this._measureText(ctx, infix, lineIndex, offset);
infixWidth = this._measureWord([infix], lineIndex, offset);
offset++;
lineJustStarted = false;
// keep track of largest word
@ -311,33 +325,33 @@
}
}
i && lines.push(line);
i && graphemeLines.push(line);
if (largestWordWidth > this.dynamicMinWidth) {
this.dynamicMinWidth = largestWordWidth - additionalSpace;
}
return lines;
return graphemeLines;
},
/**
* Gets lines of text to render in the Textbox. This function calculates
* text wrapping on the fly everytime it is called.
* @returns {Array} Array of lines in the Textbox.
* @override
*/
_splitTextIntoLines: function(ctx) {
ctx = ctx || this.ctx;
var originalAlign = this.textAlign;
this._styleMap = null;
ctx.save();
this._setTextStyles(ctx);
this.textAlign = 'left';
var lines = this._wrapText(ctx, this.text);
this.textAlign = originalAlign;
ctx.restore();
this._textLines = lines;
this._styleMap = this._generateStyleMap();
return lines;
* Gets lines of text to render in the Textbox. This function calculates
* text wrapping on the fly everytime it is called.
* @param {String} text text to split
* @returns {Array} Array of lines in the Textbox.
* @override
*/
_splitTextIntoLines: function(text) {
var newText = fabric.Text.prototype._splitTextIntoLines.call(this, text),
graphemeLines = this._wrapText(newText.lines, this.width),
lines = new Array(graphemeLines.length);
for (var i = 0; i < graphemeLines.length; i++) {
lines[i] = graphemeLines[i].join('');
}
newText.lines = lines;
newText.graphemeLines = graphemeLines;
return newText;
},
/**
@ -359,79 +373,6 @@
}
},
/**
* Returns 2d representation (lineIndex and charIndex) of cursor (or selection start).
* Overrides the superclass function to take into account text wrapping.
*
* @param {Number} [selectionStart] Optional index. When not given, current selectionStart is used.
*/
get2DCursorLocation: function(selectionStart) {
if (typeof selectionStart === 'undefined') {
selectionStart = this.selectionStart;
}
var numLines = this._textLines.length,
removed = 0;
for (var i = 0; i < numLines; i++) {
var line = this._textLines[i],
lineLen = line.length;
if (selectionStart <= removed + lineLen) {
return {
lineIndex: i,
charIndex: selectionStart - removed
};
}
removed += lineLen;
if (this.text[removed] === '\n' || this.text[removed] === ' ') {
removed++;
}
}
return {
lineIndex: numLines - 1,
charIndex: this._textLines[numLines - 1].length
};
},
/**
* Overrides superclass function and uses text wrapping data to get cursor
* boundary offsets instead of the array of chars.
* @param {Array} chars Unused
* @param {String} typeOfBoundaries Can be 'cursor' or 'selection'
* @returns {Object} Object with 'top', 'left', and 'lineLeft' properties set.
*/
_getCursorBoundariesOffsets: function(chars, typeOfBoundaries) {
var topOffset = 0,
leftOffset = 0,
cursorLocation = this.get2DCursorLocation(),
lineChars = this._textLines[cursorLocation.lineIndex].split(''),
lineLeftOffset = this._getLineLeftOffset(this._getLineWidth(this.ctx, cursorLocation.lineIndex));
for (var i = 0; i < cursorLocation.charIndex; i++) {
leftOffset += this._getWidthOfChar(this.ctx, lineChars[i], cursorLocation.lineIndex, i);
}
for (i = 0; i < cursorLocation.lineIndex; i++) {
topOffset += this._getHeightOfLine(this.ctx, i);
}
if (typeOfBoundaries === 'cursor') {
topOffset += (1 - this._fontSizeFraction) * this._getHeightOfLine(this.ctx, cursorLocation.lineIndex)
/ this.lineHeight - this.getCurrentCharFontSize(cursorLocation.lineIndex, cursorLocation.charIndex)
* (1 - this._fontSizeFraction);
}
return {
top: topOffset,
left: leftOffset,
lineLeft: lineLeftOffset
};
},
getMinWidth: function() {
return Math.max(this.minWidth, this.dynamicMinWidth);
},

60
src/util/lang_string.js
View file

@ -40,6 +40,63 @@
.replace(/>/g, '&gt;');
}
/**
* Divide a string in the user perceived single units
* @memberOf fabric.util.string
* @param {String} string String to escape
* @return {Array} array containing the graphemes
*/
function graphemeSplit(textstring) {
var i = 0, graphemes = [];
for (var i = 0, chr; i < textstring.length; i++) {
if ((chr = getWholeChar(textstring, i)) === false) {
continue;
}
graphemes.push(chr);
}
return graphemes;
}
// taken from mdn in the charAt doc page.
function getWholeChar(str, i) {
var code = str.charCodeAt(i);
if (Number.isNaN(code)) {
return ''; // Position not found
}
if (code < 0xD800 || code > 0xDFFF) {
return str.charAt(i);
}
// High surrogate (could change last hex to 0xDB7F to treat high private
// surrogates as single characters)
if (0xD800 <= code && code <= 0xDBFF) {
if (str.length <= (i + 1)) {
throw 'High surrogate without following low surrogate';
}
var next = str.charCodeAt(i + 1);
if (0xDC00 > next || next > 0xDFFF) {
throw 'High surrogate without following low surrogate';
}
return str.charAt(i) + str.charAt(i + 1);
}
// Low surrogate (0xDC00 <= code && code <= 0xDFFF)
if (i === 0) {
throw 'Low surrogate without preceding high surrogate';
}
var prev = str.charCodeAt(i - 1);
// (could change last hex to 0xDB7F to treat high private
// surrogates as single characters)
if (0xD800 > prev || prev > 0xDBFF) {
throw 'Low surrogate without preceding high surrogate';
}
// We can pass over low surrogates now as the second component
// in a pair which we have already processed
return false;
}
/**
* String utilities
* @namespace fabric.util.string
@ -47,6 +104,7 @@
fabric.util.string = {
camelize: camelize,
capitalize: capitalize,
escapeXml: escapeXml
escapeXml: escapeXml,
graphemeSplit: graphemeSplit
};
})();

309
test/unit/itext.js
View file

@ -35,9 +35,11 @@
'fontSize': 40,
'fontWeight': 'normal',
'fontFamily': 'Times New Roman',
'fontStyle': '',
'fontStyle': 'normal',
'lineHeight': 1.3,
'textDecoration': '',
'underline': false,
'overline': false,
'linethrough': false,
'textAlign': 'left',
'backgroundColor': '',
'textBackgroundColor': '',
@ -102,10 +104,10 @@
test('lineHeight with single line', function() {
var text = new fabric.IText('text with one line');
text.lineHeight = 2;
text._initDimensions();
text.initDimensions();
var height = text.height;
text.lineHeight = 0.5;
text._initDimensions();
text.initDimensions();
var heightNew = text.height;
equal(height, heightNew, 'text height does not change with one single line');
});
@ -113,7 +115,7 @@
test('lineHeight with multi line', function() {
var text = new fabric.IText('text with\ntwo lines');
text.lineHeight = 0.1;
text._initDimensions();
text.initDimensions();
var height = text.height,
minimumHeight = text.fontSize * text._fontSizeMult;
equal(height > minimumHeight, true, 'text height is always bigger than minimum Height');
@ -130,7 +132,6 @@
styles: styles
});
equal(typeof iText.toObject, 'function');
var obj = iText.toObject();
deepEqual(obj.styles, styles);
notEqual(obj.styles[0], styles[0]);
@ -326,117 +327,121 @@
equal(modify, 1);
});
test('insertChar and changed', function() {
var iText = new fabric.IText('test'), changed = 0;
function textChanged () {
changed++;
}
equal(typeof iText.insertChar, 'function');
iText.on('changed', textChanged);
equal(changed, 0);
iText.insertChar('foo_');
equal(iText.text, 'foo_test');
equal(changed, 1, 'event will fire once');
});
test('insertChar with style', function() {
var iText = new fabric.IText('test'),
style = {fontSize: 4};
equal(typeof iText.insertChar, 'function');
iText.insertChar('f', false, style);
equal(iText.text, 'ftest');
deepEqual(iText.styles[0][0], style);
});
test('insertChar with selectionStart with style', function() {
var iText = new fabric.IText('test'),
style = {fontSize: 4};
equal(typeof iText.insertChar, 'function');
iText.selectionStart = 2;
iText.selectionEnd = 2;
iText.insertChar('f', false, style);
equal(iText.text, 'tefst');
deepEqual(iText.styles[0][2], style);
});
test('insertChars', function() {
var iText = new fabric.IText('test');
equal(typeof iText.insertChars, 'function');
iText.insertChars('foo_');
equal(iText.text, 'foo_test');
iText.text = 'test';
iText.selectionStart = iText.selectionEnd = 2;
iText.insertChars('_foo_');
equal(iText.text, 'te_foo_st');
iText.text = 'test';
iText.selectionStart = 1;
iText.selectionEnd = 3;
iText.insertChars('_foo_');
equal(iText.text, 't_foo_t');
});
test('insertChars changed', function() {
var iText = new fabric.IText('test'), changed = 0;
function textChanged () {
changed++;
}
equal(typeof iText.insertChars, 'function');
iText.on('changed', textChanged);
equal(changed, 0);
iText.insertChars('foo_');
equal(changed, 1, 'insertChars fires the event once if there is no style');
equal(iText.text, 'foo_test');
});
test('insertChars changed with copied style', function() {
var iText = new fabric.IText('test'), changed = 0,
style = {0: {fontSize: 20}, 1: {fontSize: 22}};
function textChanged () {
changed++;
}
fabric.copiedTextStyle = style;
equal(typeof iText.insertChars, 'function');
iText.on('changed', textChanged);
equal(changed, 0);
iText.insertChars('foo_', true);
equal(changed, 1, 'insertChars fires once even if style is used');
equal(iText.text, 'foo_test');
deepEqual(iText.styles[0][0], style[0], 'style should be copied');
});
test('insertNewline', function() {
var iText = new fabric.IText('test');
equal(typeof iText.insertNewline, 'function');
iText.selectionStart = iText.selectionEnd = 2;
iText.insertNewline();
equal(iText.text, 'te\nst');
iText.text = 'test';
iText.selectionStart = 1;
iText.selectionEnd = 3;
iText.insertNewline();
equal(iText.text, 't\nt');
});
// TODO: read those and make tests for new functions
// test('insertChar and changed', function() {
// var iText = new fabric.IText('test'), changed = 0;
//
// function textChanged () {
// changed++;
// }
// equal(typeof iText.insertChar, 'function');
// iText.on('changed', textChanged);
// equal(changed, 0);
// iText.insertChar('foo_');
// equal(iText.text, 'foo_test');
// equal(changed, 1, 'event will fire once');
// });
//
// test('insertChar with style', function() {
// var iText = new fabric.IText('test'),
// style = {fontSize: 4};
//
// equal(typeof iText.insertChar, 'function');
// iText.insertChar('f', false, style);
// equal(iText.text, 'ftest');
// deepEqual(iText.styles[0][0], style);
// });
//
// test('insertChar with selectionStart with style', function() {
// var iText = new fabric.IText('test'),
// style = {fontSize: 4};
// equal(typeof iText.insertChar, 'function');
// iText.selectionStart = 2;
// iText.selectionEnd = 2;
// iText.insertChar('f', false, style);
// equal(iText.text, 'tefst');
// deepEqual(iText.styles[0][2], style);
// });
//
//
// test('insertChars', function() {
// var iText = new fabric.IText('test');
//
// equal(typeof iText.insertChars, 'function');
//
// iText.insertChars('foo_');
// equal(iText.text, 'foo_test');
//
// iText.text = 'test';
// iText.selectionStart = iText.selectionEnd = 2;
// iText.insertChars('_foo_');
// equal(iText.text, 'te_foo_st');
//
// iText.text = 'test';
// iText.selectionStart = 1;
// iText.selectionEnd = 3;
// iText.insertChars('_foo_');
// equal(iText.text, 't_foo_t');
// });
//
// test('insertChars changed', function() {
// var iText = new fabric.IText('test'), changed = 0;
// function textChanged () {
// changed++;
// }
// equal(typeof iText.insertChars, 'function');
// iText.on('changed', textChanged);
// equal(changed, 0);
// iText.insertChars('foo_');
// equal(changed, 1, 'insertChars fires the event once if there is no style');
// equal(iText.text, 'foo_test');
// });
//
// test('insertChars changed with copied style', function() {
// var iText = new fabric.IText('test'), changed = 0,
// style = {0: {fontSize: 20}, 1: {fontSize: 22}};
// function textChanged () {
// changed++;
// }
// fabric.copiedTextStyle = style;
// equal(typeof iText.insertChars, 'function');
// iText.on('changed', textChanged);
// equal(changed, 0);
// iText.insertChars('foo_', true);
// equal(changed, 1, 'insertChars fires once even if style is used');
// equal(iText.text, 'foo_test');
// deepEqual(iText.styles[0][0], style[0], 'style should be copied');
// });
//
//
// test('insertNewline', function() {
// var iText = new fabric.IText('test');
//
// equal(typeof iText.insertNewline, 'function');
//
// iText.selectionStart = iText.selectionEnd = 2;
// iText.insertNewline();
//
// equal(iText.text, 'te\nst');
//
// iText.text = 'test';
// iText.selectionStart = 1;
// iText.selectionEnd = 3;
// iText.insertNewline();
//
// equal(iText.text, 't\nt');
// });
test('insertNewlineStyleObject', function() {
var iText = new fabric.IText('test\n');
var iText = new fabric.IText('test\n2');
equal(typeof iText.insertNewlineStyleObject, 'function');
iText.insertNewlineStyleObject(0, 4, true);
deepEqual(iText.styles, { '1': { '0': { } } });
deepEqual(iText.styles, { }, 'does not insert empty styles');
iText.styles = { 1: { 0: { fill: 'blue' } } };
iText.insertNewlineStyleObject(0, 4, true);
deepEqual(iText.styles, { 2: { 0: { fill: 'blue' } } }, 'correctly shift styles');
});
test('shiftLineStyles', function() {
@ -543,19 +548,6 @@
equal(iText.findLineBoundaryRight(17), 20); // '|qux'
});
test('getNumNewLinesInSelectedText', function() {
var iText = new fabric.IText('test foo bar-baz\nqux');
equal(typeof iText.getNumNewLinesInSelectedText, 'function');
equal(iText.getNumNewLinesInSelectedText(), 0);
iText.selectionStart = 0;
iText.selectionEnd = 20;
equal(iText.getNumNewLinesInSelectedText(), 1);
});
test('getSelectionStyles with no arguments', function() {
var iText = new fabric.IText('test foo bar-baz\nqux', {
styles: {
@ -701,11 +693,14 @@
});
equal(typeof iText.getCurrentCharFontSize, 'function');
equal(iText.getCurrentCharFontSize(0, 0), 20);
equal(iText.getCurrentCharFontSize(0, 1), 20);
equal(iText.getCurrentCharFontSize(0, 2), 60);
equal(iText.getCurrentCharFontSize(1, 0), 40);
iText.selectionStart = 0;
equal(iText.getCurrentCharFontSize(), 20);
iText.selectionStart = 1;
equal(iText.getCurrentCharFontSize(), 20);
iText.selectionStart = 2;
equal(iText.getCurrentCharFontSize(), 60);
iText.selectionStart = 3;
equal(iText.getCurrentCharFontSize(), 40);
});
test('object removal from canvas', function() {
@ -743,17 +738,19 @@
0: { fill: 'red' },
1: { fill: 'green' }
}
}
},
fill: '#333',
});
equal(typeof iText.getCurrentCharColor, 'function');
equal(iText.getCurrentCharColor(0, 0), 'red');
equal(iText.getCurrentCharColor(0, 1), 'red');
equal(iText.getCurrentCharColor(0, 2), 'green');
// or cursor color
equal(iText.getCurrentCharColor(1, 0), '#333');
iText.selectionStart = 0;
equal(iText.getCurrentCharColor(), 'red');
iText.selectionStart = 1;
equal(iText.getCurrentCharColor(), 'red');
iText.selectionStart = 2;
equal(iText.getCurrentCharColor(), 'green');
iText.selectionStart = 3;
equal(iText.getCurrentCharColor(), '#333');
});
// test('toSVG', function() {
@ -805,24 +802,24 @@
equal(style, '\n\t\t@font-face {\n\t\t\tfont-family: \'Plaster\';\n\t\t\tsrc: url(\'path-to-plaster-font-file\');\n\t\t}\n\t\t@font-face {\n\t\t\tfont-family: \'Engagement\';\n\t\t\tsrc: url(\'path-to-engagement-font-file\');\n\t\t}\n');
});
test('measuring width of words', function () {
var ctx = canvas.getContext('2d');
var text = 'test foo bar';
var iText = new fabric.IText(text, {
styles: {
0: {
9: { fontWeight: 'bold' },
10: { fontWeight: 'bold' },
11: { fontWeight: 'bold' },
}
}
});
var textSplitted = text.split(' ');
var measuredBy_getWidthOfWords_preservedSpaces = iText._getWidthOfWords(ctx, textSplitted.join(' '), 0, 0);
var measuredBy_getWidthOfWords_omittedSpaces = iText._getWidthOfWords(ctx, textSplitted.join(''), 0, 0);
notEqual(measuredBy_getWidthOfWords_preservedSpaces, measuredBy_getWidthOfWords_omittedSpaces);
});
// test('measuring width of words', function () {
// var ctx = canvas.getContext('2d');
// var text = 'test foo bar';
// var iText = new fabric.IText(text, {
// styles: {
// 0: {
// 9: { fontWeight: 'bold' },
// 10: { fontWeight: 'bold' },
// 11: { fontWeight: 'bold' },
// }
// }
// });
//
// var textSplitted = text.split(' ');
// var measuredBy_getWidthOfWords_preservedSpaces = iText._getWidthOfWords(ctx, textSplitted.join(' '), 0, 0);
// var measuredBy_getWidthOfWords_omittedSpaces = iText._getWidthOfWords(ctx, textSplitted.join(''), 0, 0);
//
// notEqual(measuredBy_getWidthOfWords_preservedSpaces, measuredBy_getWidthOfWords_omittedSpaces);
// });
})();

54
test/unit/itext_key_behaviour.js
View file

@ -3,7 +3,7 @@
ctx = canvas.getContext('2d');
test('event selection:changed firing', function() {
var iText = new fabric.IText('test need some word\nsecond line'),
var iText = new fabric.IText('test neei some word\nsecond line'),
selection = 0;
iText.ctx = ctx;
function countSelectionChange() {
@ -106,8 +106,8 @@
iText.selectionEnd = 31;
iText.moveCursorUp({ shiftKey: false });
equal(selection, 1, 'should fire');
equal(iText.selectionStart, 9, 'should move to upper line');
equal(iText.selectionEnd, 9, 'should move to upper line');
equal(iText.selectionStart, 9, 'should move to upper line start');
equal(iText.selectionEnd, 9, 'should move to upper line end');
selection = 0;
iText.selectionStart = 1;
@ -125,13 +125,13 @@
equal(iText.selectionStart, 28, 'should move to selection Start');
equal(iText.selectionEnd, 28, 'should move to selection Start');
selection = 0;
iText.selectionStart = 0;
iText.selectionEnd = 0;
iText.insertChars('hello');
equal(selection, 1, 'should fire once on insert multiple chars');
equal(iText.selectionStart, 5, 'should be at end of text inserted');
equal(iText.selectionEnd, 5, 'should be at end of text inserted');
// TODO verify and dp
// iText.selectionStart = 0;
// iText.selectionEnd = 0;
// iText.insertChars('hello');
// equal(selection, 1, 'should fire once on insert multiple chars');
// equal(iText.selectionStart, 5, 'should be at end of text inserted');
// equal(iText.selectionEnd, 5, 'should be at end of text inserted');
});
test('moving cursor with shift', function() {
@ -237,8 +237,30 @@
equal(iText.selectionEnd, 31, 'should not move');
selection = 0;
});
test('copy and paste', function() {
var event = { stopImmediatePropagation: function(){}, preventDefault: function(){} };
// test('copy and paste', function() {
// var event = { stopPropagation: function(){}, preventDefault: function(){} };
// var iText = new fabric.IText('test', { styles: { 0: { 0: { fill: 'red' }, 1: { fill: 'blue' }}}});
// iText.enterEditing();
// iText.selectionStart = 0;
// iText.selectionEnd = 2;
// iText.hiddenTextarea.selectionStart = 0
// iText.hiddenTextarea.selectionEnd = 2
// iText.copy(event);
// equal(fabric.copiedText, 'te', 'it copied first 2 characters');
// equal(fabric.copiedTextStyle[0], iText.styles[0][0], 'style is referenced');
// equal(fabric.copiedTextStyle[1], iText.styles[0][1], 'style is referenced');
// iText.selectionStart = 2;
// iText.selectionEnd = 2;
// iText.hiddenTextarea.value = 'tetest';
// iText.paste(event);
// equal(iText.text, 'tetest', 'text has been copied');
// notEqual(iText.styles[0][0], iText.styles[0][2], 'style is not referenced');
// notEqual(iText.styles[0][1], iText.styles[0][3], 'style is not referenced');
// deepEqual(iText.styles[0][0], iText.styles[0][2], 'style is copied');
// deepEqual(iText.styles[0][1], iText.styles[0][3], 'style is copied');
// });
test('copy', function() {
var event = { stopPropagation: function(){}, preventDefault: function(){} };
var iText = new fabric.IText('test', { styles: { 0: { 0: { fill: 'red' }, 1: { fill: 'blue' }}}});
iText.selectionStart = 0;
iText.selectionEnd = 2;
@ -246,13 +268,5 @@
equal(fabric.copiedText, 'te', 'it copied first 2 characters');
equal(fabric.copiedTextStyle[0], iText.styles[0][0], 'style is referenced');
equal(fabric.copiedTextStyle[1], iText.styles[0][1], 'style is referenced');
iText.selectionStart = 0;
iText.selectionEnd = 0;
iText.paste(event);
equal(iText.text, 'tetest', 'text has been copied');
notEqual(iText.styles[0][0], iText.styles[0][2], 'style is not referenced');
notEqual(iText.styles[0][1], iText.styles[0][3], 'style is not referenced');
deepEqual(iText.styles[0][0], iText.styles[0][2], 'style is copied');
deepEqual(iText.styles[0][1], iText.styles[0][3], 'style is copied');
});
})();

16
test/unit/stateful.js
View file

@ -41,22 +41,16 @@
test('saveState with array', function() {
var cObj = new fabric.Text('Hello');
cObj.set('textDecoration', ['underline']);
cObj.set('strokeDashArray', [0, 4]);
cObj.setupState();
deepEqual(cObj.textDecoration, cObj._stateProperties.textDecoration, 'textDecoration in state is deepEqual');
notEqual(cObj.textDecoration, cObj._stateProperties.textDecoration, 'textDecoration in not same Object');
cObj.textDecoration[0] = 'overline';
//eqaul(cObj.underline, cObj._stateProperties.underline, 'textDecoration in state is deepEqual');
//notEqual(cObj.textDecoration, cObj._stateProperties.textDecoration, 'textDecoration in not same Object');
cObj.strokeDashArray[0] = 2;
ok(cObj.hasStateChanged(), 'hasStateChanged detects changes in nested props');
cObj.set('textDecoration', ['underline']);
cObj.saveState();
cObj.set('textDecoration', ['underline', 'overline']);
cObj.strokeDashArray[2] = 2;
ok(cObj.hasStateChanged(), 'more properties added');
cObj.set('textDecoration', ['underline', 'overline']);
cObj.saveState();
cObj.set('textDecoration', ['overline']);
ok(cObj.hasStateChanged(), 'less properties');
});
test('saveState with fabric class gradient', function() {

50
test/unit/text.js
View file

@ -6,6 +6,10 @@
return new fabric.Text(text || 'x');
}
function removeTranslate(str) {
return str.replace(/translate\(.*?\)/, '');
}
var CHAR_WIDTH = 20;
var REFERENCE_TEXT_OBJECT = {
@ -37,9 +41,11 @@
'fontSize': 40,
'fontWeight': 'normal',
'fontFamily': 'Times New Roman',
'fontStyle': '',
'fontStyle': 'normal',
'lineHeight': 1.16,
'textDecoration': '',
'underline': false,
'overline': false,
'linethrough': false,
'textAlign': 'left',
'textBackgroundColor': '',
'fillRule': 'nonzero',
@ -47,11 +53,12 @@
'skewX': 0,
'skewY': 0,
'transformMatrix': null,
'charSpacing': 0
'charSpacing': 0,
'styles': null
};
var TEXT_SVG = '\t<g transform="translate(10.5 26.72)">\n\t\t<text font-family="Times New Roman" font-size="40" font-weight="normal" style="stroke: none; stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-linejoin: miter; stroke-miterlimit: 10; fill: rgb(0,0,0); fill-rule: nonzero; opacity: 1;" >\n\t\t\t<tspan x="-10" y="12.6" fill="rgb(0,0,0)">x</tspan>\n\t\t</text>\n\t</g>\n';
var TEXT_SVG_JUSTIFIED = '\t<g transform="translate(50.5 26.72)">\n\t\t<text font-family="Times New Roman" font-size="40" font-weight="normal" style="stroke: none; stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-linejoin: miter; stroke-miterlimit: 10; fill: rgb(0,0,0); fill-rule: nonzero; opacity: 1;" >\n\t\t\t<tspan x="-50" y="12.6" fill="rgb(0,0,0)">x</tspan>\n\t\t\t<tspan x="30" y="12.6" fill="rgb(0,0,0)">y</tspan>\n\t\t</text>\n\t</g>\n';
var TEXT_SVG = '\t<g transform="translate(10.5 26.72)">\n\t\t<text font-family="Times New Roman" font-size="40" font-style="normal" font-weight="normal" style="stroke: none; stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-linejoin: miter; stroke-miterlimit: 10; fill: rgb(0,0,0); fill-rule: nonzero; opacity: 1;" >\n\t\t\t<tspan x="-10" y="12.57" >x</tspan>\n\t\t</text>\n\t</g>\n';
var TEXT_SVG_JUSTIFIED = '\t<g transform="translate(50.5 26.72)">\n\t\t<text font-family="Times New Roman" font-size="40" font-style="normal" font-weight="normal" style="stroke: none; stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-linejoin: miter; stroke-miterlimit: 10; fill: rgb(0,0,0); fill-rule: nonzero; opacity: 1;" >\n\t\t\t<tspan x=\"-60\" y=\"-13.65\" >xxxxxx</tspan>\n\t\t\t<tspan x=\"-60\" y=\"38.78\" >x </tspan>\n\t\t\t<tspan x=\"40\" y=\"38.78\" >y</tspan>\n\t\t</text>\n\t</g>\n';
test('constructor', function() {
ok(fabric.Text);
@ -77,10 +84,10 @@
var fontDecl = text._getFontDeclaration();
ok(typeof fontDecl == 'string', 'it returns a string');
if (fabric.isLikelyNode) {
equal(fontDecl, 'normal 40px "Times New Roman"');
equal(fontDecl, 'normal normal 40px "Times New Roman"');
}
else {
equal(fontDecl, ' normal 40px Times New Roman');
equal(fontDecl, 'normal normal 40px Times New Roman');
}
});
@ -113,10 +120,10 @@
var text = createTextObject();
text.text = 'text with one line';
text.lineHeight = 2;
text._initDimensions();
text.initDimensions();
var height = text.height;
text.lineHeight = 0.5;
text._initDimensions();
text.initDimensions();
var heightNew = text.height;
equal(height, heightNew, 'text height does not change with one single line');
});
@ -125,7 +132,7 @@
var text = createTextObject();
text.text = 'text with\ntwo lines';
text.lineHeight = 0.1;
text._initDimensions();
text.initDimensions();
var height = text.height,
minimumHeight = text.fontSize * text._fontSizeMult;
equal(height > minimumHeight, true, 'text height is always bigger than minimum Height');
@ -198,7 +205,7 @@
});
test('fabric.Text.fromElement', function() {
ok(typeof fabric.Text.fromElement == 'function');
ok(typeof fabric.Text.fromElement === 'function');
var elText = fabric.document.createElement('text');
elText.textContent = 'x';
@ -212,7 +219,7 @@
var expectedObject = fabric.util.object.extend(fabric.util.object.clone(REFERENCE_TEXT_OBJECT), {
left: 4.5,
top: -5.75,
top: -6.13,
width: 8,
height: 18.08,
fontSize: 16,
@ -253,7 +260,7 @@
var expectedObject = fabric.util.object.extend(fabric.util.object.clone(REFERENCE_TEXT_OBJECT), {
/* left varies slightly due to node-canvas rendering */
left: fabric.util.toFixed(textWithAttrs.left + '', 2),
top: -18.54,
top: -21.51,
width: CHAR_WIDTH,
height: 138.99,
fill: 'rgb(255,255,255)',
@ -268,7 +275,7 @@
fontStyle: 'italic',
fontWeight: 'bold',
fontSize: 123,
textDecoration: 'underline',
underline: true,
originX: 'center'
});
@ -306,10 +313,6 @@
test('toSVG', function() {
var text = new fabric.Text('x');
function removeTranslate(str) {
return str.replace(/translate\(.*?\)/, '');
}
// temp workaround for text objects not obtaining width under node
text.width = CHAR_WIDTH;
@ -322,15 +325,10 @@
equal(removeTranslate(text.toSVG()), removeTranslate(TEXT_SVG.replace('font-family="Times New Roman"', 'font-family="\'Arial Black\', Arial"')));
});
test('toSVG justified', function() {
var text = new fabric.Text('x y');
var text = new fabric.Text('xxxxxx\nx y', {
textAlign: 'justify',
});
function removeTranslate(str) {
return str.replace(/translate\(.*?\)/, '');
}
// temp workaround for text objects not obtaining width under node
text.width = 100;
text.textAlign = 'justify';
equal(removeTranslate(text.toSVG()), removeTranslate(TEXT_SVG_JUSTIFIED));
});