Now supports TAB indentations (including in selected sub-strings) and unindentation with SHIFT + TAB.

This commit is contained in:
Pouria Hadjibagheri 2017-03-18 20:53:22 +00:00
parent 1e0c8fc596
commit 8506ea179d
5 changed files with 537 additions and 311 deletions

View file

@ -16,349 +16,205 @@ var utils_1 = require("./utils");
var UPLOAD_URL_ATTRIBUTE = "data-markdownx-upload-urls-path", PROCESSING_URL_ATTRIBUTE = "data-markdownx-urls-path";
// ---------------------------------------------------------------------------------------------------------------------
/**
*
* @param {number} start
* @param {number} end
* @param {string} value
* @returns {string}
*/
function tabKeyEvent(start, end, value) {
return value.substring(0, start) + (value.substring(start, end).match(/\n/g) === null ?
"\t" + value.substring(start) :
value.substring(start, end).replace(/^/gm, '\t') + value.substring(end));
}
/**
*
* @param {number} start
* @param {number} end
* @param {string} value
* @returns {string}
*/
function shiftTabKeyEvent(start, end, value) {
var endString = null, lineNumbers = (value.substring(start, end).match(/\n/g) || []).length;
if (start === end) {
// Replacing `\t` at a specific location (+/- 1 chars) where there is no selection.
start = start > 0 && value[start - 1].match(/\t/) !== null ? start - 1 : start;
endString = value.substring(start).replace(/\t/, '');
}
else if (!lineNumbers) {
// Replacing `\t` within a single line selection.
endString = value.substring(start).replace(/\t/, '');
}
else {
// Replacing `\t` in the beginning of each line in a multi-line selection.
endString = value.substring(start, end).replace(/^\t/gm, '') + value.substring(end, value.length);
}
return value.substring(0, start) + endString;
}
/**
* @example
*
* let editor = document.getElementById('MyMarkdownEditor'),
* preview = document.getElementById('MyMarkdownPreview');
*
* let mdx = new MarkdownX(editor, preview)
*
* @param {HTMLTextAreaElement} editor - Markdown editor element.
* @param {HTMLElement} preview - Markdown preview element.
*/
// const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
//
// this.editor = editor;
// this.preview = preview;
// this.editorIsResizable = this.editor.style.resize == 'none';
// this.timeout = null;
//
// this.getEditorHeight = () => `${this.editor.scrollHeight}px`;
//
// this.markdownify = (): void => {
//
// clearTimeout(this.timeout);
// this.timeout = setTimeout(this.getMarkdown, 500)
//
// };
//
// this.updateHeight = (): void => {
//
// this.editorIsResizable ? this.editor.style.height = this.getEditorHeight() : null
//
// };
//
// this.inputChanged = (): void => {
//
// this.updateHeight();
// this.markdownify()
//
// };
//
// // ToDo: Deprecate.
// this.onHtmlEvents = (event: Event): void => this.routineEventResponse(event);
//
// this.routineEventResponse = (event: any): void => {
//
// event.preventDefault();
// event.stopPropagation()
//
// };
//
// this.onDragEnterEvent = (event: any): void => {
//
// event.dataTransfer.dropEffect = 'copy';
// this.routineEventResponse(event)
//
// };
//
// this.onDragLeaveEvent = (event: Event): void => this.routineEventResponse(event);
//
// this.onDropEvent = (event: any): void => {
//
// if (event.dataTransfer && event.dataTransfer.files.length)
// Object.keys(event.dataTransfer.files).map(fileKey => this.sendFile(event.dataTransfer.files[fileKey]));
//
// this.routineEventResponse(event);
//
// };
//
// this.onKeyDownEvent = (event: any): Boolean | null => {
//
// const TAB_ASCII_CODE = 9;
//
// if (event.keyCode !== TAB_ASCII_CODE) return null;
//
// let start: number = this.editor.selectionStart,
// end: number = this.editor.selectionEnd,
// value: string = this.editor.value;
//
// this.editor.value = `${value.substring(0, start)}\t${value.substring(end)}`;
// this.editor.selectionStart = this.editor.selectionEnd = start++;
//
// this.markdownify();
//
// this.editor.focus();
//
// return false
//
// };
//
// this.sendFile = (file: File): void => {
//
// this.editor.style.opacity = "0.3";
//
// const xhr = new Request(
// this.editor.getAttribute(UPLOAD_URL_ATTRIBUTE), // URL
// preparePostData({image: file}) // Data
// );
//
// xhr.success = (resp: string): void => {
//
// const response = JSON.parse(resp);
//
// if (response.image_code) {
//
// this.insertImage(response.image_code);
// triggerCustomEvent('markdownx.fileUploadEnd', [response])
//
// } else if (response.image_path) {
//
// // ToDo: Deprecate.
// this.insertImage(`![]("${response.image_path}")`);
// triggerCustomEvent('markdownx.fileUploadEnd', [response])
//
// } else {
//
// console.error('Wrong response', response);
// triggerCustomEvent('markdownx.fileUploadError', [response])
//
// }
//
// this.preview.innerHTML = this.response;
// this.editor.style.opacity = "1";
//
// };
//
// xhr.error = (response: string): void => {
//
// this.editor.style.opacity = "1";
// console.error(response);
// triggerCustomEvent('fileUploadError', [response])
//
// };
//
// xhr.send()
//
// };
//
// this.getMarkdown = (): void => {
//
// const xhr = new Request(
// this.editor.getAttribute(PROCESSING_URL_ATTRIBUTE), // URL
// preparePostData({content: this.editor.value}) // Data
// );
//
// xhr.success = (response: string): void => {
// this.preview.innerHTML = response;
// this.updateHeight();
// triggerCustomEvent('markdownx.update', [response])
// };
//
// xhr.error = (response: string): void => {
// console.error(response);
// triggerCustomEvent('markdownx.updateError', [response])
// };
//
// xhr.send()
//
// };
//
// this.insertImage = (textToInsert): void => {
//
// let cursorPosition = this.editor.selectionStart,
// text = this.editor.value,
// textBeforeCursor = text.substring(0, cursorPosition),
// textAfterCursor = text.substring(cursorPosition, text.length);
//
// this.editor.value = `${textBeforeCursor}${textToInsert}${textAfterCursor}`;
// this.editor.selectionStart = cursorPosition + textToInsert.length;
// this.editor.selectionEnd = cursorPosition + textToInsert.length;
//
// triggerEvent(this.editor, 'keyup');
// this.inputChanged();
//
// };
//
// // Events
// // ----------------------------------------------------------------------------------------------
// let documentListeners = {
// // ToDo: Deprecate.
// object: document,
// listeners: [
// { type: 'drop' , capture: false, listener: this.onHtmlEvents },
// { type: 'dragover' , capture: false, listener: this.onHtmlEvents },
// { type: 'dragenter', capture: false, listener: this.onHtmlEvents },
// { type: 'dragleave', capture: false, listener: this.onHtmlEvents }
// ]
// },
// editorListeners = {
// object: this.editor,
// listeners: [
// { type: 'drop', capture: false, listener: this.onDropEvent },
// { type: 'input', capture: true , listener: this.inputChanged },
// { type: 'keydown', capture: true , listener: this.onKeyDownEvent },
// { type: 'dragover', capture: false, listener: this.onDragEnterEvent },
// { type: 'dragenter', capture: false, listener: this.onDragEnterEvent },
// { type: 'dragleave', capture: false, listener: this.onDragLeaveEvent },
// { type: 'compositionstart', capture: true , listener: this.onKeyDownEvent }
// ]
// };
//
// // Initialise
// // ----------------------------------------------------------------------------------------------
//
// mountEvents(editorListeners);
// mountEvents(documentListeners); // ToDo: Deprecate.
// triggerCustomEvent('markdownx.init');
// this.editor.style.transition = "opacity 1s ease";
// this.editor.style.webkitTransition = "opacity 1s ease";
// this.getMarkdown();
// this.inputChanged()
//
// };
var MarkdownX = (function () {
function MarkdownX(editor, preview) {
this.UPLOAD_URL_ATTRIBUTE = "data-markdownx-upload-urls-path";
this.PROCESSING_URL_ATTRIBUTE = "data-markdownx-urls-path";
this.editor = editor;
this.preview = preview;
this.editorIsResizable = this.editor.style.resize == 'none';
this.timeout = null;
// Events
// ----------------------------------------------------------------------------------------------
var documentListeners = {
// ToDo: Deprecate.
object: document,
listeners: [
{ type: 'drop', capture: false, listener: this.onHtmlEvents },
{ type: 'dragover', capture: false, listener: this.onHtmlEvents },
{ type: 'dragenter', capture: false, listener: this.onHtmlEvents },
{ type: 'dragleave', capture: false, listener: this.onHtmlEvents }
]
}, editorListeners = {
object: this.editor,
listeners: [
{ type: 'drop', capture: false, listener: this.onDrop },
{ type: 'input', capture: true, listener: this.inputChanged },
{ type: 'keydown', capture: true, listener: this.onKeyDown },
{ type: 'dragover', capture: false, listener: this.onDragEnter },
{ type: 'dragenter', capture: false, listener: this.onDragEnter },
{ type: 'dragleave', capture: false, listener: this.onDragLeave },
{ type: 'compositionstart', capture: true, listener: this.onKeyDown }
]
};
// Initialise
// ----------------------------------------------------------------------------------------------
utils_1.mountEvents(editorListeners);
utils_1.mountEvents(documentListeners); // ToDo: Deprecate.
utils_1.triggerCustomEvent('markdownx.init');
this.editor.style.transition = "opacity 1s ease";
this.editor.style.webkitTransition = "opacity 1s ease";
this.getMarkdown();
this.inputChanged();
}
MarkdownX.prototype.getEditorHeight = function () { return this.editor.scrollHeight + "px"; };
MarkdownX.prototype._markdownify = function () {
clearTimeout(this.timeout);
this.timeout = setTimeout(this.getMarkdown, 500);
var MarkdownX = function (editor, preview) {
var _this = this;
this.editor = editor;
this.preview = preview;
this._editorIsResizable = this.editor.style.resize == 'none';
this.timeout = null;
this.getEditorHeight = function (editor) { return editor.scrollHeight + "px"; };
/**
* settings for ``timeout``.
*
* @private
*/
this._markdownify = function () {
clearTimeout(_this.timeout);
_this.timeout = setTimeout(_this.getMarkdown, 500);
};
MarkdownX.prototype.updateHeight = function () {
this.editorIsResizable ? this.editor.style.height = this.getEditorHeight() : null;
this.updateHeight = function () {
_this._editorIsResizable ? _this.editor.style.height = _this.getEditorHeight(_this.editor) : null;
};
MarkdownX.prototype.inputChanged = function () {
this.updateHeight();
this._markdownify();
this.inputChanged = function () {
_this.updateHeight();
_this._markdownify();
};
// ToDo: Deprecate.
MarkdownX.prototype.onHtmlEvents = function (event) { this._routineEventResponse(event); };
MarkdownX.prototype._routineEventResponse = function (event) {
this.onHtmlEvents = function (event) { return _this._routineEventResponse(event); };
/**
* Routine tasks for event handlers (e.g. default preventions).
*
* @param {Event} event
* @private
*/
this._routineEventResponse = function (event) {
event.preventDefault();
event.stopPropagation();
};
MarkdownX.prototype.onDragEnter = function (event) {
this.onDragEnter = function (event) {
event.dataTransfer.dropEffect = 'copy';
this._routineEventResponse(event);
_this._routineEventResponse(event);
};
MarkdownX.prototype.onDragLeave = function (event) {
this._routineEventResponse(event);
};
MarkdownX.prototype.onDrop = function (event) {
var _this = this;
this.onDragLeave = function (event) { return _this._routineEventResponse(event); };
this.onDrop = function (event) {
if (event.dataTransfer && event.dataTransfer.files.length)
Object.keys(event.dataTransfer.files).map(function (fileKey) { return _this.sendFile(event.dataTransfer.files[fileKey]); });
this._routineEventResponse(event);
_this._routineEventResponse(event);
};
MarkdownX.prototype.onKeyDown = function (event) {
var TAB_ASCII_CODE = 9;
if (event.keyCode !== TAB_ASCII_CODE)
this.onKeyDown = function (event) {
// ASCII code references:
var TAB_KEY = 9, SELECTION_START = _this.editor.selectionStart;
if (event.keyCode !== TAB_KEY)
return null;
var start = this.editor.selectionStart, end = this.editor.selectionEnd, value = this.editor.value;
this.editor.value = value.substring(0, start) + "\t" + value.substring(end);
this.editor.selectionStart = this.editor.selectionEnd = start++;
this._markdownify();
this.editor.focus();
event.preventDefault();
var handlerFunc = event.shiftKey && event.keyCode === TAB_KEY ? shiftTabKeyEvent : tabKeyEvent;
_this.editor.value = handlerFunc(_this.editor.selectionStart, _this.editor.selectionEnd, _this.editor.value);
_this._markdownify();
_this.editor.focus();
_this.editor.selectionEnd = _this.editor.selectionStart = SELECTION_START;
return false;
};
MarkdownX.prototype.sendFile = function (file) {
var preview = this.preview, editor = this.editor, url = this.UPLOAD_URL_ATTRIBUTE, xhr = new utils_1.Request(editor.getAttribute(url), // URL
/**
*
* @param file
* @returns {Request}
*/
this.sendFile = function (file) {
_this.editor.style.opacity = "0.3";
var xhr = new utils_1.Request(_this.editor.getAttribute(UPLOAD_URL_ATTRIBUTE), // URL
utils_1.preparePostData({ image: file }) // Data
);
editor.style.opacity = "0.3";
xhr.success = function (resp) {
var response = JSON.parse(resp);
if (response.image_code) {
this.insertImage(response.image_code);
_this.insertImage(response.image_code);
utils_1.triggerCustomEvent('markdownx.fileUploadEnd', [response]);
}
else if (response.image_path) {
// ToDo: Deprecate.
this.insertImage("![](\"" + response.image_path + "\")");
_this.insertImage("![](\"" + response.image_path + "\")");
utils_1.triggerCustomEvent('markdownx.fileUploadEnd', [response]);
}
else {
console.error('Wrong response', response);
utils_1.triggerCustomEvent('markdownx.fileUploadError', [response]);
}
preview.innerHTML = this.response;
editor.style.opacity = "1";
_this.preview.innerHTML = _this.response;
_this.editor.style.opacity = "1";
};
xhr.error = function (response) {
editor.style.opacity = "1";
_this.editor.style.opacity = "1";
console.error(response);
utils_1.triggerCustomEvent('fileUploadError', [response]);
};
xhr.send();
return xhr.send();
};
MarkdownX.prototype.getMarkdown = function () {
var preview = this.preview, editor = this.editor, url = this.PROCESSING_URL_ATTRIBUTE, xhr = new utils_1.Request(editor.getAttribute(url), // URL
utils_1.preparePostData({ content: this.editor.value }) // Data
/**
*
* @returns {Request}
*/
this.getMarkdown = function () {
var xhr = new utils_1.Request(_this.editor.getAttribute(PROCESSING_URL_ATTRIBUTE), // URL
utils_1.preparePostData({ content: _this.editor.value }) // Data
);
xhr.success = function (response) {
preview.innerHTML = response;
this.updateHeight();
_this.preview.innerHTML = response;
_this.updateHeight();
utils_1.triggerCustomEvent('markdownx.update', [response]);
};
xhr.error = function (response) {
console.error(response);
utils_1.triggerCustomEvent('markdownx.updateError', [response]);
};
xhr.send();
return xhr.send();
};
MarkdownX.prototype.insertImage = function (textToInsert) {
var cursorPosition = this.editor.selectionStart, text = this.editor.value, textBeforeCursor = text.substring(0, cursorPosition), textAfterCursor = text.substring(cursorPosition, text.length);
this.editor.value = "" + textBeforeCursor + textToInsert + textAfterCursor;
this.editor.selectionStart = cursorPosition + textToInsert.length;
this.editor.selectionEnd = cursorPosition + textToInsert.length;
utils_1.triggerEvent(this.editor, 'keyup');
this.inputChanged();
this.insertImage = function (textToInsert) {
var cursorPosition = _this.editor.selectionStart, text = _this.editor.value, textBeforeCursor = text.substring(0, cursorPosition), textAfterCursor = text.substring(cursorPosition, text.length);
_this.editor.value = "" + textBeforeCursor + textToInsert + textAfterCursor;
_this.editor.selectionStart = cursorPosition + textToInsert.length;
_this.editor.selectionEnd = cursorPosition + textToInsert.length;
utils_1.triggerEvent(_this.editor, 'keyup');
_this.inputChanged();
};
return MarkdownX;
}());
// Events
// ----------------------------------------------------------------------------------------------
var documentListeners = {
// ToDo: Deprecate.
object: document,
listeners: [
{ type: 'drop', capture: false, listener: this.onHtmlEvents },
{ type: 'dragover', capture: false, listener: this.onHtmlEvents },
{ type: 'dragenter', capture: false, listener: this.onHtmlEvents },
{ type: 'dragleave', capture: false, listener: this.onHtmlEvents }
]
}, editorListeners = {
object: this.editor,
listeners: [
{ type: 'drop', capture: false, listener: this.onDrop },
{ type: 'input', capture: true, listener: this.inputChanged },
{ type: 'keydown', capture: true, listener: this.onKeyDown },
{ type: 'dragover', capture: false, listener: this.onDragEnter },
{ type: 'dragenter', capture: false, listener: this.onDragEnter },
{ type: 'dragleave', capture: false, listener: this.onDragLeave },
{ type: 'compositionstart', capture: true, listener: this.onKeyDown }
]
};
// Initialise
// ----------------------------------------------------------------------------------------------
utils_1.mountEvents(editorListeners);
utils_1.mountEvents(documentListeners); // ToDo: Deprecate.
utils_1.triggerCustomEvent('markdownx.init');
this.editor.style.transition = "opacity 1s ease";
this.editor.style.webkitTransition = "opacity 1s ease";
this.getMarkdown();
this.inputChanged();
};
(function (funcName, baseObj) {
// The public function name defaults to window.docReady
// but you can pass in your own object and own function

File diff suppressed because one or more lines are too long

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@ -0,0 +1,287 @@
/// <reference path="jquery.d.ts" />
/**
* Markdownx
*
* Frontend (JavaScript) management of Django-Markdownx module.
*
* Written in JavaScript (ECMA6), compiled in (ECMA6 - 2015).
*
* Requirements:
* - Modern browser with support for HTML5 and ECMA 2011+ (IE 9+).
*/
/**
* Looks for a cookie, and if found, returns the values.
*
* NOTE: Only the first item in the array is returned
* to eliminate the need for array deconstruction in
* the target.
*
* @param {string} name - The name of the cookie.
* @returns {string | null}
*/
function getCookie (name: string): string | null {
if (document.cookie && document.cookie.length) {
const cookies = document.cookie
.split(';')
.filter(cookie => cookie.indexOf(`${name}=`) !== -1)[0];
try{
return decodeURIComponent(cookies.trim().substring(name.length + 1));
} catch (e){
if (e instanceof TypeError) {
console.info(`No cookie with key "${name}". Wrong name?`);
return null
}
throw e
}
}
return null;
}
/**
*
* @param data
* @param csrf
* @returns {FormData}
*/
function preparePostData(data: Object, csrf=true){
let form: FormData = new FormData();
csrf ? form.append("csrfmiddlewaretoken", getCookie('csrftoken')) : null;
Object.keys(data).map(key => form.append(key, data[key]));
return form
}
($ => {
if (!$) $ = django.jQuery;
/**
*
* @returns {JQuery|markdownx}
*/
$.fn.markdownx = function () {
return this.each(() => {
/**
*
*/
let getMarkdown = () => {
$.ajax({
type: 'POST',
url: markdownxEditor.data("markdownxUrlsPath"),
data: preparePostData({content: markdownxEditor.val()}),
processData: false,
contentType: false,
success: response => {
markdownxPreview.html(response);
updateHeight();
markdownx.trigger('markdownx.update', [response]);
},
error: response => {
console.error(response);
markdownx.trigger('markdownx.updateError', [response]);
}
});
};
/**
*
*/
let updateHeight = () => {
isMarkdownxEditorResizable ?
markdownxEditor.innerHeight(markdownxEditor.prop('scrollHeight')) : null
};
/**
*
* @param textToInsert
*/
let insertImage = textToInsert => {
let cursor_pos = markdownxEditor.prop('selectionStart'),
text = markdownxEditor.val(),
textBeforeCursor = text.substring(0, cursor_pos),
textAfterCursor = text.substring(cursor_pos, text.length);
markdownxEditor
.val(textBeforeCursor + textToInsert + textAfterCursor)
.prop('selectionStart', cursor_pos + textToInsert.length)
.prop('selectionEnd', cursor_pos + textToInsert.length)
.keyup();
updateHeight();
markdownify();
};
/**
*
* @param file
*/
let sendFile = file => {
$.ajax({
type: 'POST',
url: markdownxEditor.data("markdownxUploadUrlsPath"),
data: preparePostData({image: file}),
processData: false,
contentType: false,
beforeSend: () => {
markdownxEditor.fadeTo("fast", 0.3);
markdownx.trigger('markdownx.fileUploadBegin');
},
success: response => {
markdownxEditor.fadeTo("fast", 1);
if (response.image_code) {
insertImage(response.image_code);
markdownx.trigger('markdownx.fileUploadEnd', [response]);
} else if (response.image_path) {
// For backwards-compatibility
insertImage(`![]("${response.image_path}")`);
markdownx.trigger('markdownx.fileUploadEnd', [response]);
} else {
console.error('Wrong response', response);
markdownx.trigger('markdownx.fileUploadError', [response]);
}
},
error: response => {
console.error(response);
markdownxEditor.fadeTo("fast", 1);
markdownx.trigger('markdownx.fileUploadError', [response]);
}
});
};
let timeout;
/**
*
*/
let markdownify = () => {
clearTimeout(timeout);
timeout = setTimeout(getMarkdown, 500);
};
/**
*
* @param event
* @returns {boolean}
*/
let onKeyDownEvent = function(event) {
const TAB_ASCII_CODE = 9;
if (event.keyCode !== TAB_ASCII_CODE) return null;
let start: number = this.editor.selectionStart,
end: number = this.editor.selectionEnd,
value: string = this.editor.value;
this.editor.value = `${value.substring(0, start)}\t${value.substring(end)}`;
this.editor.selectionStart = this.editor.selectionEnd = start++;
markdownify();
this.editor.focus();
return false;
};
/**
*
*/
let onInputChangeEvent = () => {
updateHeight();
markdownify();
};
/**
*
* @param event
*/
let onHtmlEvents = event => {
event.preventDefault();
event.stopPropagation();
};
/**
*
* @param event
*/
let onDragEnterEvent = event => {
event.originalEvent.dataTransfer.dropEffect = 'copy';
event.preventDefault();
event.stopPropagation();
};
/**
*
* @param event
*/
let onDragLeaveEvent = event => {
event.preventDefault();
event.stopPropagation();
};
let onDropEvent = event => {
const dataTransfer = event.originalEvent.dataTransfer;
if (dataTransfer)
dataTransfer.files.length ? dataTransfer.files.map((file) => sendFile(file)) : null;
event.preventDefault();
event.stopPropagation();
};
// Init
let markdownx = $(this),
markdownxEditor: any = $(this).find('.markdownx-editor'),
markdownxPreview: any = $(this).find('.markdownx-preview'),
isMarkdownxEditorResizable = markdownxEditor.is("[data-markdownx-editor-resizable]");
$('html').on('dragenter.markdownx dragover.markdownx drop.markdownx dragleave.markdownx', onHtmlEvents);
markdownxEditor
.on('keydown.markdownx', onKeyDownEvent)
.on('input.markdownx propertychange.markdownx', onInputChangeEvent)
.on('dragenter.markdownx dragover.markdownx', onDragEnterEvent)
.on('dragleave.markdownx', onDragLeaveEvent)
.on('drop.markdownx', onDropEvent);
markdownx.trigger('markdownx.init');
updateHeight();
markdownify();
});
};
$(() => {
$('.markdownx').markdownx();
});
})(jQuery);

View file

@ -29,6 +29,61 @@ const UPLOAD_URL_ATTRIBUTE: string = "data-markdownx-upload-urls-path",
// ---------------------------------------------------------------------------------------------------------------------
/**
*
* @param {number} start
* @param {number} end
* @param {string} value
* @returns {string}
*/
function tabKeyEvent(start: number, end: number, value: string): string {
return value.substring(0, start) + (
value.substring(start, end).match(/\n/g) === null ?
`\t${value.substring(start)}` :
value.substring(start, end).replace(/^/gm, '\t') + value.substring(end)
)
}
/**
*
* @param {number} start
* @param {number} end
* @param {string} value
* @returns {string}
*/
function shiftTabKeyEvent(start: number, end: number, value: string): string {
let endString: string = null,
lineNumbers: number = (value.substring(start, end).match(/\n/g) || []).length;
if (start === end) {
// Replacing `\t` at a specific location (+/- 1 chars) where there is no selection.
start = start > 0 && value[start - 1].match(/\t/) !== null ? start - 1 : start;
endString = value.substring(start).replace(/\t/, '');
} else if (!lineNumbers) {
// Replacing `\t` within a single line selection.
endString = value.substring(start).replace(/\t/, '')
} else {
// Replacing `\t` in the beginning of each line in a multi-line selection.
endString = value.substring(start, end).replace(/^\t/gm, '') + value.substring(end, value.length);
}
return value.substring(0, start) + endString;
}
/**
* @example
*
@ -42,13 +97,18 @@ const UPLOAD_URL_ATTRIBUTE: string = "data-markdownx-upload-urls-path",
*/
const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
this.editor = editor;
this.preview = preview;
this.editorIsResizable = this.editor.style.resize == 'none';
this.timeout = null;
this.editor = editor;
this.preview = preview;
this._editorIsResizable = this.editor.style.resize == 'none';
this.timeout = null;
this.getEditorHeight = () => `${this.editor.scrollHeight}px`;
this.getEditorHeight = (editor: HTMLTextAreaElement) => `${editor.scrollHeight}px`;
/**
* settings for ``timeout``.
*
* @private
*/
this._markdownify = (): void => {
clearTimeout(this.timeout);
@ -58,7 +118,7 @@ const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
this.updateHeight = (): void => {
this.editorIsResizable ? this.editor.style.height = this.getEditorHeight() : null
this._editorIsResizable ? this.editor.style.height = this.getEditorHeight(this.editor) : null
};
@ -72,6 +132,12 @@ const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
// ToDo: Deprecate.
this.onHtmlEvents = (event: Event): void => this._routineEventResponse(event);
/**
* Routine tasks for event handlers (e.g. default preventions).
*
* @param {Event} event
* @private
*/
this._routineEventResponse = (event: any): void => {
event.preventDefault();
@ -99,26 +165,38 @@ const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
this.onKeyDown = (event: any): Boolean | null => {
const TAB_ASCII_CODE = 9;
// ASCII code references:
const TAB_KEY: number = 9,
SELECTION_START: number = this.editor.selectionStart;
if (event.keyCode !== TAB_ASCII_CODE) return null;
if (event.keyCode !== TAB_KEY) return null;
let start: number = this.editor.selectionStart,
end: number = this.editor.selectionEnd,
value: string = this.editor.value;
event.preventDefault();
this.editor.value = `${value.substring(0, start)}\t${value.substring(end)}`;
this.editor.selectionStart = this.editor.selectionEnd = start++;
let handlerFunc = event.shiftKey && event.keyCode === TAB_KEY ? shiftTabKeyEvent : tabKeyEvent;
this.editor.value = handlerFunc(
this.editor.selectionStart,
this.editor.selectionEnd,
this.editor.value
);
this._markdownify();
this.editor.focus();
this.editor.selectionEnd = this.editor.selectionStart = SELECTION_START;
return false
};
this.sendFile = (file: File): void => {
/**
*
* @param file
* @returns {Request}
*/
this.sendFile = (file: File): Request => {
this.editor.style.opacity = "0.3";
@ -162,11 +240,15 @@ const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
};
xhr.send()
return xhr.send()
};
this.getMarkdown = (): void => {
/**
*
* @returns {Request}
*/
this.getMarkdown = (): Request => {
const xhr = new Request(
this.editor.getAttribute(PROCESSING_URL_ATTRIBUTE), // URL
@ -184,7 +266,7 @@ const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
triggerCustomEvent('markdownx.updateError', [response])
};
xhr.send()
return xhr.send()
};

View file

@ -2,6 +2,7 @@ from django.db import models
from markdownx.models import MarkdownxField
class MyModel(models.Model):
markdownx_field1 = MarkdownxField()
markdownx_field2 = MarkdownxField()