angular.js/src/Angular.js
2010-03-31 18:18:10 -07:00

388 lines
9.7 KiB
JavaScript

//////////////////////////////
//UrlWatcher
//////////////////////////////
function UrlWatcher(location) {
this.location = location;
this.delay = 25;
this.setTimeout = function(fn, delay) {
window.setTimeout(fn, delay);
};
this.expectedUrl = location.href;
this.listeners = [];
}
UrlWatcher.prototype = {
watch: function(fn){
this.listeners.push(fn);
},
start: function() {
var self = this;
(function pull () {
if (self.expectedUrl !== self.location.href) {
foreach(self.listeners, function(listener){
listener(self.location.href);
});
self.expectedUrl = self.location.href;
}
self.setTimeout(pull, self.delay);
})();
},
set: function(url) {
var existingURL = this.location.href;
if (!existingURL.match(/#/))
existingURL += '#';
if (existingURL != url)
this.location.href = url;
this.existingURL = url;
},
get: function() {
return this.location.href;
}
};
if (typeof document.getAttribute == 'undefined')
document.getAttribute = function() {};
if (!window['console']) window['console']={'log':noop, 'error':noop};
var consoleNode,
PRIORITY_FIRST = -99999;
PRIORITY_WATCH = -1000;
PRIORITY_LAST = 99999;
NOOP = 'noop',
NG_ERROR = 'ng-error',
NG_EXCEPTION = 'ng-exception',
NG_VALIDATION_ERROR = 'ng-validation-error',
jQuery = window['jQuery'] || window['$'], // weirdness to make IE happy
_ = window['_'],
msie = !!/(msie) ([\w.]+)/.exec(lowercase(navigator.userAgent)),
jqLite = jQuery || jqLiteWrap,
slice = Array.prototype.slice,
angular = window['angular'] || (window['angular'] = {}),
angularTextMarkup = extensionMap(angular, 'textMarkup'),
angularAttrMarkup = extensionMap(angular, 'attrMarkup'),
angularDirective = extensionMap(angular, 'directive'),
angularWidget = extensionMap(angular, 'widget'),
angularValidator = extensionMap(angular, 'validator'),
angularFilter = extensionMap(angular, 'filter'),
angularFormatter = extensionMap(angular, 'formatter'),
angularService = extensionMap(angular, 'service'),
angularCallbacks = extensionMap(angular, 'callbacks'),
urlWatcher = new UrlWatcher(window.location);
function angularAlert(){
log(arguments); window.alert.apply(window, arguments);
};
extend(angular, {
'compile': compile,
'startUrlWatch': bind(urlWatcher, urlWatcher.start),
'copy': copy,
'extend': extend,
'foreach': foreach,
'noop':noop,
'identity':identity,
'isUndefined': isUndefined,
'isDefined': isDefined,
'isString': isString,
'isFunction': isFunction,
'isNumber': isNumber,
'isArray': isArray,
'alert': angularAlert
});
function foreach(obj, iterator, context) {
var key;
if (obj) {
if (obj.forEach) {
obj.forEach(iterator, context);
} else if (isObject(obj) && isNumber(obj.length)) {
for (key = 0; key < obj.length; key++)
iterator.call(context, obj[key], key);
} else {
for (key in obj)
iterator.call(context, obj[key], key);
}
}
return obj;
}
function foreachSorted(obj, iterator, context) {
var keys = [];
for (var key in obj) keys.push(key);
keys.sort();
for ( var i = 0; i < keys.length; i++) {
iterator.call(context, obj[keys[i]], keys[i]);
}
return keys;
}
function extend(dst) {
foreach(arguments, function(obj){
if (obj !== dst) {
foreach(obj, function(value, key){
dst[key] = value;
});
}
});
return dst;
}
function noop() {}
function identity($) {return $;}
function extensionMap(angular, name) {
var extPoint;
return angular[name] || (extPoint = angular[name] = function (name, fn, prop){
if (isDefined(fn)) {
extPoint[name] = extend(fn, prop || {});
}
return extPoint[name];
});
}
function jqLiteWrap(element) {
if (typeof element == 'string') {
var div = document.createElement('div');
div.innerHTML = element;
element = div.childNodes[0];
}
return element instanceof JQLite ? element : new JQLite(element);
}
function isUndefined(value){ return typeof value == 'undefined'; }
function isDefined(value){ return typeof value != 'undefined'; }
function isObject(value){ return typeof value == 'object';}
function isString(value){ return typeof value == 'string';}
function isNumber(value){ return typeof value == 'number';}
function isArray(value) { return value instanceof Array; }
function isFunction(value){ return typeof value == 'function';}
function isTextNode(node) { return nodeName(node) == '#text'; }
function lowercase(value){ return isString(value) ? value.toLowerCase() : value; }
function uppercase(value){ return isString(value) ? value.toUpperCase() : value; }
function trim(value) { return isString(value) ? value.replace(/^\s*/, '').replace(/\s*$/, '') : value; };
function nodeName(element) { return (element[0] || element || {}).nodeName; }
function map(obj, iterator, context) {
var results = [];
foreach(obj, function(value, index, list) {
results.push(iterator.call(context, value, index, list));
});
return results;
};
function size(obj) {
var size = 0;
if (obj) {
if (isNumber(obj.length)) {
return obj.length;
} else if (isObject(obj)){
for (key in obj)
size++;
}
}
return size;
}
function includes(array, obj) {
for ( var i = 0; i < array.length; i++) {
if (obj === array[i]) return true;
}
return false;
}
function indexOf(array, obj) {
for ( var i = 0; i < array.length; i++) {
if (obj === array[i]) return i;
}
return -1;
}
function log(a, b, c){
var console = window['console'];
switch(arguments.length) {
case 1:
console['log'](a);
break;
case 2:
console['log'](a, b);
break;
default:
console['log'](a, b, c);
break;
}
}
function error(a, b, c){
var console = window['console'];
switch(arguments.length) {
case 1:
console['error'](a);
break;
case 2:
console['error'](a, b);
break;
default:
console['error'](a, b, c);
break;
}
}
function consoleLog(level, objs) {
var log = document.createElement("div");
log.className = level;
var msg = "";
var sep = "";
for ( var i = 0; i < objs.length; i++) {
var obj = objs[i];
msg += sep + (typeof obj == 'string' ? obj : toJson(obj));
sep = " ";
}
log.appendChild(document.createTextNode(msg));
consoleNode.appendChild(log);
}
function isNode(inp) {
return inp &&
inp.tagName &&
inp.nodeName &&
inp.ownerDocument &&
inp.removeAttribute;
}
function isLeafNode (node) {
if (node) {
switch (node.nodeName) {
case "OPTION":
case "PRE":
case "TITLE":
return true;
}
}
return false;
}
function copy(source, destination){
if (!destination) {
if (!source) {
return source;
} else if (isArray(source)) {
return copy(source, []);
} else {
return copy(source, {});
}
} else {
if (isArray(source)) {
while(destination.length) {
destination.pop();
}
} else {
foreach(destination, function(value, key){
delete destination[key];
});
}
foreach(source, function(value, key){
destination[key] = isArray(value) ? copy(value, []) : (isObject(value) ? copy(value, {}) : value);
});
return destination;
}
};
function setHtml(node, html) {
if (isLeafNode(node)) {
if (msie) {
node.innerText = html;
} else {
node.textContent = html;
}
} else {
node.innerHTML = html;
}
}
function escapeHtml(html) {
if (!html || !html.replace)
return html;
return html.
replace(/&/g, '&amp;').
replace(/</g, '&lt;').
replace(/>/g, '&gt;');
}
function elementError(element, type, error) {
if (error) {
element.addClass(type);
element.attr(NG_ERROR, error);
} else {
element.removeClass(type);
element.removeAttr(NG_ERROR);
}
}
function escapeAttr(html) {
if (!html || !html.replace)
return html;
return html.replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\"/g,
'&quot;');
}
function bind(_this, _function) {
var curryArgs = slice.call(arguments, 2, arguments.length);
return function() {
return _function.apply(_this, curryArgs.concat(slice.call(arguments, 0, arguments.length)));
};
}
function outerHTML(node) {
var temp = document.createElement('div');
temp.appendChild(node);
var outerHTML = temp.innerHTML;
temp.removeChild(node);
return outerHTML;
}
function toBoolean(value) {
if (value && value.length !== 0) {
var v = lowercase("" + value);
value = !(v == 'f' || v == '0' || v == 'false' || v == 'no' || v == '[]');
} else {
value = false;
}
return value;
}
function merge(src, dst) {
for ( var key in src) {
var value = dst[key];
var type = typeof value;
if (type == 'undefined') {
dst[key] = fromJson(toJson(src[key]));
} else if (type == 'object' && value.constructor != array &&
key.substring(0, 1) != "$") {
merge(src[key], value);
}
}
}
function compile(element, config) {
var compiler = new Compiler(angularTextMarkup, angularAttrMarkup, angularDirective, angularWidget);
$element = jqLite(element),
rootScope = createScope({
$element: $element,
$config: extend({
'onUpdateView': noop,
'server': "",
'location': {
'get':bind(urlWatcher, urlWatcher.get),
'set':bind(urlWatcher, urlWatcher.set),
'watch':bind(urlWatcher, urlWatcher.watch)
}
}, config || {})
}, serviceAdapter(angularService));
return compiler.compile($element)($element, rootScope);
}
/////////////////////////////////////////////////