/* This file is part of Ext JS 3.4 Copyright (c) 2011-2013 Sencha Inc Contact: http://www.sencha.com/contact GNU General Public License Usage This file may be used under the terms of the GNU General Public License version 3.0 as published by the Free Software Foundation and appearing in the file LICENSE included in the packaging of this file. Please review the following information to ensure the GNU General Public License version 3.0 requirements will be met: http://www.gnu.org/copyleft/gpl.html. If you are unsure which license is appropriate for your use, please contact the sales department at http://www.sencha.com/contact. Build date: 2013-04-03 15:07:25 */ /** * @class Ext */ Ext.ns("Ext.grid", "Ext.list", "Ext.dd", "Ext.tree", "Ext.form", "Ext.menu", "Ext.state", "Ext.layout.boxOverflow", "Ext.app", "Ext.ux", "Ext.chart", "Ext.direct", "Ext.slider"); /** * Namespace alloted for extensions to the framework. * @property ux * @type Object */ Ext.apply(Ext, function(){ var E = Ext, idSeed = 0, scrollWidth = null; return { /** * A reusable empty function * @property * @type Function */ emptyFn : function(){}, /** * URL to a 1x1 transparent gif image used by Ext to create inline icons with CSS background images. * In older versions of IE, this defaults to "http://extjs.com/s.gif" and you should change this to a URL on your server. * For other browsers it uses an inline data URL. * @type String */ BLANK_IMAGE_URL : Ext.isIE6 || Ext.isIE7 || Ext.isAir ? 'http:/' + '/www.extjs.com/s.gif' : 'data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==', extendX : function(supr, fn){ return Ext.extend(supr, fn(supr.prototype)); }, /** * Returns the current HTML document object as an {@link Ext.Element}. * @return Ext.Element The document */ getDoc : function(){ return Ext.get(document); }, /** * Utility method for validating that a value is numeric, returning the specified default value if it is not. * @param {Mixed} value Should be a number, but any type will be handled appropriately * @param {Number} defaultValue The value to return if the original value is non-numeric * @return {Number} Value, if numeric, else defaultValue */ num : function(v, defaultValue){ v = Number(Ext.isEmpty(v) || Ext.isArray(v) || typeof v == 'boolean' || (typeof v == 'string' && v.trim().length == 0) ? NaN : v); return isNaN(v) ? defaultValue : v; }, /** *
Utility method for returning a default value if the passed value is empty.
*The value is deemed to be empty if it is
Ext.addBehaviors({
// add a listener for click on all anchors in element with id foo
'#foo a@click' : function(e, t){
// do something
},
// add the same listener to multiple selectors (separated by comma BEFORE the @)
'#foo a, #bar span.some-class@mouseover' : function(){
// do something
}
});
*
* @param {Object} obj The list of behaviors to apply
*/
addBehaviors : function(o){
if(!Ext.isReady){
Ext.onReady(function(){
Ext.addBehaviors(o);
});
} else {
var cache = {}, // simple cache for applying multiple behaviors to same selector does query multiple times
parts,
b,
s;
for (b in o) {
if ((parts = b.split('@'))[1]) { // for Object prototype breakers
s = parts[0];
if(!cache[s]){
cache[s] = Ext.select(s);
}
cache[s].on(parts[1], o[b]);
}
}
cache = null;
}
},
/**
* Utility method for getting the width of the browser scrollbar. This can differ depending on
* operating system settings, such as the theme or font size.
* @param {Boolean} force (optional) true to force a recalculation of the value.
* @return {Number} The width of the scrollbar.
*/
getScrollBarWidth: function(force){
if(!Ext.isReady){
return 0;
}
if(force === true || scrollWidth === null){
// Append our div, do our calculation and then remove it
var div = Ext.getBody().createChild(' '),
child = div.child('div', true);
var w1 = child.offsetWidth;
div.setStyle('overflow', (Ext.isWebKit || Ext.isGecko) ? 'auto' : 'scroll');
var w2 = child.offsetWidth;
div.remove();
// Need to add 2 to ensure we leave enough space
scrollWidth = w1 - w2 + 2;
}
return scrollWidth;
},
// deprecated
combine : function(){
var as = arguments, l = as.length, r = [];
for(var i = 0; i < l; i++){
var a = as[i];
if(Ext.isArray(a)){
r = r.concat(a);
}else if(a.length !== undefined && !a.substr){
r = r.concat(Array.prototype.slice.call(a, 0));
}else{
r.push(a);
}
}
return r;
},
/**
* Copies a set of named properties fom the source object to the destination object.
* example:
ImageComponent = Ext.extend(Ext.BoxComponent, {
initComponent: function() {
this.autoEl = { tag: 'img' };
MyComponent.superclass.initComponent.apply(this, arguments);
this.initialBox = Ext.copyTo({}, this.initialConfig, 'x,y,width,height');
}
});
*
* @param {Object} dest The destination object.
* @param {Object} source The source object.
* @param {Array/String} names Either an Array of property names, or a comma-delimited list
* of property names to copy.
* @return {Object} The modified object.
*/
copyTo : function(dest, source, names){
if(typeof names == 'string'){
names = names.split(/[,;\s]/);
}
Ext.each(names, function(name){
if(source.hasOwnProperty(name)){
dest[name] = source[name];
}
}, this);
return dest;
},
/**
* Attempts to destroy any objects passed to it by removing all event listeners, removing them from the
* DOM (if applicable) and calling their destroy functions (if available). This method is primarily
* intended for arguments of type {@link Ext.Element} and {@link Ext.Component}, but any subclass of
* {@link Ext.util.Observable} can be passed in. Any number of elements and/or components can be
* passed into this function in a single call as separate arguments.
* @param {Mixed...} args An {@link Ext.Element}, {@link Ext.Component}, or an Array of either of these to destroy
*/
destroy : function(){
Ext.each(arguments, function(arg){
if(arg){
if(Ext.isArray(arg)){
this.destroy.apply(this, arg);
}else if(typeof arg.destroy == 'function'){
arg.destroy();
}else if(arg.dom){
arg.remove();
}
}
}, this);
},
/**
* Attempts to destroy and then remove a set of named properties of the passed object.
* @param {Object} o The object (most likely a Component) who's properties you wish to destroy.
* @param {Mixed} arg1 The name of the property to destroy and remove from the object.
* @param {Mixed} etc... More property names to destroy and remove.
*/
destroyMembers : function(o, arg1, arg2, etc){
for(var i = 1, a = arguments, len = a.length; i < len; i++) {
Ext.destroy(o[a[i]]);
delete o[a[i]];
}
},
/**
* Creates a copy of the passed Array with falsy values removed.
* @param {Array/NodeList} arr The Array from which to remove falsy values.
* @return {Array} The new, compressed Array.
*/
clean : function(arr){
var ret = [];
Ext.each(arr, function(v){
if(!!v){
ret.push(v);
}
});
return ret;
},
/**
* Creates a copy of the passed Array, filtered to contain only unique values.
* @param {Array} arr The Array to filter
* @return {Array} The new Array containing unique values.
*/
unique : function(arr){
var ret = [],
collect = {};
Ext.each(arr, function(v) {
if(!collect[v]){
ret.push(v);
}
collect[v] = true;
});
return ret;
},
/**
* Recursively flattens into 1-d Array. Injects Arrays inline.
* @param {Array} arr The array to flatten
* @return {Array} The new, flattened array.
*/
flatten : function(arr){
var worker = [];
function rFlatten(a) {
Ext.each(a, function(v) {
if(Ext.isArray(v)){
rFlatten(v);
}else{
worker.push(v);
}
});
return worker;
}
return rFlatten(arr);
},
/**
* Returns the minimum value in the Array.
* @param {Array|NodeList} arr The Array from which to select the minimum value.
* @param {Function} comp (optional) a function to perform the comparision which determines minimization.
* If omitted the "<" operator will be used. Note: gt = 1; eq = 0; lt = -1
* @return {Object} The minimum value in the Array.
*/
min : function(arr, comp){
var ret = arr[0];
comp = comp || function(a,b){ return a < b ? -1 : 1; };
Ext.each(arr, function(v) {
ret = comp(ret, v) == -1 ? ret : v;
});
return ret;
},
/**
* Returns the maximum value in the Array
* @param {Array|NodeList} arr The Array from which to select the maximum value.
* @param {Function} comp (optional) a function to perform the comparision which determines maximization.
* If omitted the ">" operator will be used. Note: gt = 1; eq = 0; lt = -1
* @return {Object} The maximum value in the Array.
*/
max : function(arr, comp){
var ret = arr[0];
comp = comp || function(a,b){ return a > b ? 1 : -1; };
Ext.each(arr, function(v) {
ret = comp(ret, v) == 1 ? ret : v;
});
return ret;
},
/**
* Calculates the mean of the Array
* @param {Array} arr The Array to calculate the mean value of.
* @return {Number} The mean.
*/
mean : function(arr){
return arr.length > 0 ? Ext.sum(arr) / arr.length : undefined;
},
/**
* Calculates the sum of the Array
* @param {Array} arr The Array to calculate the sum value of.
* @return {Number} The sum.
*/
sum : function(arr){
var ret = 0;
Ext.each(arr, function(v) {
ret += v;
});
return ret;
},
/**
* Partitions the set into two sets: a true set and a false set.
* Example:
* Example2:
*
// Example 1:
Ext.partition([true, false, true, true, false]); // [[true, true, true], [false, false]]
// Example 2:
Ext.partition(
Ext.query("p"),
function(val){
return val.className == "class1"
}
);
// true are those paragraph elements with a className of "class1",
// false set are those that do not have that className.
*
* @param {Array|NodeList} arr The array to partition
* @param {Function} truth (optional) a function to determine truth. If this is omitted the element
* itself must be able to be evaluated for its truthfulness.
* @return {Array} [true
// Example:
Ext.invoke(Ext.query("p"), "getAttribute", "id");
// [el1.getAttribute("id"), el2.getAttribute("id"), ..., elN.getAttribute("id")]
*
* @param {Array|NodeList} arr The Array of items to invoke the method on.
* @param {String} methodName The method name to invoke.
* @param {...*} args Arguments to send into the method invocation.
* @return {Array} The results of invoking the method on each item in the array.
*/
invoke : function(arr, methodName){
var ret = [],
args = Array.prototype.slice.call(arguments, 2);
Ext.each(arr, function(v,i) {
if (v && typeof v[methodName] == 'function') {
ret.push(v[methodName].apply(v, args));
} else {
ret.push(undefined);
}
});
return ret;
},
/**
* Plucks the value of a property from each item in the Array
*
// Example:
Ext.pluck(Ext.query("p"), "className"); // [el1.className, el2.className, ..., elN.className]
*
* @param {Array|NodeList} arr The Array of items to pluck the value from.
* @param {String} prop The property name to pluck from each element.
* @return {Array} The value from each item in the Array.
*/
pluck : function(arr, prop){
var ret = [];
Ext.each(arr, function(v) {
ret.push( v[prop] );
});
return ret;
},
/**
* Zips N sets together.
*
// Example 1:
Ext.zip([1,2,3],[4,5,6]); // [[1,4],[2,5],[3,6]]
// Example 2:
Ext.zip(
[ "+", "-", "+"],
[ 12, 10, 22],
[ 43, 15, 96],
function(a, b, c){
return "$" + a + "" + b + "." + c
}
); // ["$+12.43", "$-10.15", "$+22.96"]
*
* @param {Arrays|NodeLists} arr This argument may be repeated. Array(s) to contribute values.
* @param {Function} zipper (optional) The last item in the argument list. This will drive how the items are zipped together.
* @return {Array} The zipped set.
*/
zip : function(){
var parts = Ext.partition(arguments, function( val ){ return typeof val != 'function'; }),
arrs = parts[0],
fn = parts[1][0],
len = Ext.max(Ext.pluck(arrs, "length")),
ret = [];
for (var i = 0; i < len; i++) {
ret[i] = [];
if(fn){
ret[i] = fn.apply(fn, Ext.pluck(arrs, i));
}else{
for (var j = 0, aLen = arrs.length; j < aLen; j++){
ret[i].push( arrs[j][i] );
}
}
}
return ret;
},
/**
* This is shorthand reference to {@link Ext.ComponentMgr#get}.
* Looks up an existing {@link Ext.Component Component} by {@link Ext.Component#id id}
* @param {String} id The component {@link Ext.Component#id id}
* @return Ext.Component The Component, undefined if not found, or null if a
* Class was found.
*/
getCmp : function(id){
return Ext.ComponentMgr.get(id);
},
/**
* By default, Ext intelligently decides whether floating elements should be shimmed. If you are using flash,
* you may want to set this to true.
* @type Boolean
*/
useShims: E.isIE6 || (E.isMac && E.isGecko2),
// inpired by a similar function in mootools library
/**
* Returns the type of object that is passed in. If the object passed in is null or undefined it
* return false otherwise it returns one of the following values:
var sayHi = function(name){
alert('Hi, ' + name);
}
sayHi('Fred'); // alerts "Hi, Fred"
var sayGoodbye = sayHi.createSequence(function(name){
alert('Bye, ' + name);
});
sayGoodbye('Fred'); // both alerts show
* @param {Function} fcn The function to sequence
* @param {Object} scope (optional) The scope (this
reference) in which the passed function is executed.
* If omitted, defaults to the scope in which the original function is called or the browser window.
* @return {Function} The new function
*/
createSequence : function(fcn, scope){
var method = this;
return (typeof fcn != 'function') ?
this :
function(){
var retval = method.apply(this || window, arguments);
fcn.apply(scope || this || window, arguments);
return retval;
};
}
});
/**
* @class String
* These functions are available as static methods on the JavaScript String object.
*/
Ext.applyIf(String, {
/**
* Escapes the passed string for ' and \
* @param {String} string The string to escape
* @return {String} The escaped string
* @static
*/
escape : function(string) {
return string.replace(/('|\\)/g, "\\$1");
},
/**
* Pads the left side of a string with a specified character. This is especially useful
* for normalizing number and date strings. Example usage:
*
var s = String.leftPad('123', 5, '0');
// s now contains the string: '00123'
*
* @param {String} string The original string
* @param {Number} size The total length of the output string
* @param {String} char (optional) The character with which to pad the original string (defaults to empty string " ")
* @return {String} The padded string
* @static
*/
leftPad : function (val, size, ch) {
var result = String(val);
if(!ch) {
ch = " ";
}
while (result.length < size) {
result = ch + result;
}
return result;
}
});
/**
* Utility function that allows you to easily switch a string between two alternating values. The passed value
* is compared to the current string, and if they are equal, the other value that was passed in is returned. If
* they are already different, the first value passed in is returned. Note that this method returns the new value
* but does not change the current string.
*
// alternate sort directions
sort = sort.toggle('ASC', 'DESC');
// instead of conditional logic:
sort = (sort == 'ASC' ? 'DESC' : 'ASC');
* @param {String} value The value to compare to the current string
* @param {String} other The new value to use if the string already equals the first value passed in
* @return {String} The new value
*/
String.prototype.toggle = function(value, other){
return this == value ? other : value;
};
/**
* Trims whitespace from either end of a string, leaving spaces within the string intact. Example:
*
var s = ' foo bar ';
alert('-' + s + '-'); //alerts "- foo bar -"
alert('-' + s.trim() + '-'); //alerts "-foo bar-"
* @return {String} The trimmed string
*/
String.prototype.trim = function(){
var re = /^\s+|\s+$/g;
return function(){ return this.replace(re, ""); };
}();
// here to prevent dependency on Date.js
/**
Returns the number of milliseconds between this date and date
@param {Date} date (optional) Defaults to now
@return {Number} The diff in milliseconds
@member Date getElapsed
*/
Date.prototype.getElapsed = function(date) {
return Math.abs((date || new Date()).getTime()-this.getTime());
};
/**
* @class Number
*/
Ext.applyIf(Number.prototype, {
/**
* Checks whether or not the current number is within a desired range. If the number is already within the
* range it is returned, otherwise the min or max value is returned depending on which side of the range is
* exceeded. Note that this method returns the constrained value but does not change the current number.
* @param {Number} min The minimum number in the range
* @param {Number} max The maximum number in the range
* @return {Number} The constrained value if outside the range, otherwise the current value
*/
constrain : function(min, max){
return Math.min(Math.max(this, min), max);
}
});
Ext.lib.Dom.getRegion = function(el) {
return Ext.lib.Region.getRegion(el);
}; Ext.lib.Region = function(t, r, b, l) {
var me = this;
me.top = t;
me[1] = t;
me.right = r;
me.bottom = b;
me.left = l;
me[0] = l;
};
Ext.lib.Region.prototype = {
contains : function(region) {
var me = this;
return ( region.left >= me.left &&
region.right <= me.right &&
region.top >= me.top &&
region.bottom <= me.bottom );
},
getArea : function() {
var me = this;
return ( (me.bottom - me.top) * (me.right - me.left) );
},
intersect : function(region) {
var me = this,
t = Math.max(me.top, region.top),
r = Math.min(me.right, region.right),
b = Math.min(me.bottom, region.bottom),
l = Math.max(me.left, region.left);
if (b >= t && r >= l) {
return new Ext.lib.Region(t, r, b, l);
}
},
union : function(region) {
var me = this,
t = Math.min(me.top, region.top),
r = Math.max(me.right, region.right),
b = Math.max(me.bottom, region.bottom),
l = Math.min(me.left, region.left);
return new Ext.lib.Region(t, r, b, l);
},
constrainTo : function(r) {
var me = this;
me.top = me.top.constrain(r.top, r.bottom);
me.bottom = me.bottom.constrain(r.top, r.bottom);
me.left = me.left.constrain(r.left, r.right);
me.right = me.right.constrain(r.left, r.right);
return me;
},
adjust : function(t, l, b, r) {
var me = this;
me.top += t;
me.left += l;
me.right += r;
me.bottom += b;
return me;
}
};
Ext.lib.Region.getRegion = function(el) {
var p = Ext.lib.Dom.getXY(el),
t = p[1],
r = p[0] + el.offsetWidth,
b = p[1] + el.offsetHeight,
l = p[0];
return new Ext.lib.Region(t, r, b, l);
}; Ext.lib.Point = function(x, y) {
if (Ext.isArray(x)) {
y = x[1];
x = x[0];
}
var me = this;
me.x = me.right = me.left = me[0] = x;
me.y = me.top = me.bottom = me[1] = y;
};
Ext.lib.Point.prototype = new Ext.lib.Region();
/**
* @class Ext.DomHelper
*/
Ext.apply(Ext.DomHelper,
function(){
var pub,
afterbegin = 'afterbegin',
afterend = 'afterend',
beforebegin = 'beforebegin',
beforeend = 'beforeend',
confRe = /tag|children|cn|html$/i;
// private
function doInsert(el, o, returnElement, pos, sibling, append){
el = Ext.getDom(el);
var newNode;
if (pub.useDom) {
newNode = createDom(o, null);
if (append) {
el.appendChild(newNode);
} else {
(sibling == 'firstChild' ? el : el.parentNode).insertBefore(newNode, el[sibling] || el);
}
} else {
newNode = Ext.DomHelper.insertHtml(pos, el, Ext.DomHelper.createHtml(o));
}
return returnElement ? Ext.get(newNode, true) : newNode;
}
// build as dom
/** @ignore */
function createDom(o, parentNode){
var el,
doc = document,
useSet,
attr,
val,
cn;
if (Ext.isArray(o)) { // Allow Arrays of siblings to be inserted
el = doc.createDocumentFragment(); // in one shot using a DocumentFragment
for (var i = 0, l = o.length; i < l; i++) {
createDom(o[i], el);
}
} else if (typeof o == 'string') { // Allow a string as a child spec.
el = doc.createTextNode(o);
} else {
el = doc.createElement( o.tag || 'div' );
useSet = !!el.setAttribute; // In IE some elements don't have setAttribute
for (var attr in o) {
if(!confRe.test(attr)){
val = o[attr];
if(attr == 'cls'){
el.className = val;
}else{
if(useSet){
el.setAttribute(attr, val);
}else{
el[attr] = val;
}
}
}
}
Ext.DomHelper.applyStyles(el, o.style);
if ((cn = o.children || o.cn)) {
createDom(cn, el);
} else if (o.html) {
el.innerHTML = o.html;
}
}
if(parentNode){
parentNode.appendChild(el);
}
return el;
}
pub = {
/**
* Creates a new Ext.Template from the DOM object spec.
* @param {Object} o The DOM object spec (and children)
* @return {Ext.Template} The new template
*/
createTemplate : function(o){
var html = Ext.DomHelper.createHtml(o);
return new Ext.Template(html);
},
/** True to force the use of DOM instead of html fragments @type Boolean */
useDom : false,
/**
* Creates new DOM element(s) and inserts them before el.
* @param {Mixed} el The context element
* @param {Object/String} o The DOM object spec (and children) or raw HTML blob
* @param {Boolean} returnElement (optional) true to return a Ext.Element
* @return {HTMLElement/Ext.Element} The new node
* @hide (repeat)
*/
insertBefore : function(el, o, returnElement){
return doInsert(el, o, returnElement, beforebegin);
},
/**
* Creates new DOM element(s) and inserts them after el.
* @param {Mixed} el The context element
* @param {Object} o The DOM object spec (and children)
* @param {Boolean} returnElement (optional) true to return a Ext.Element
* @return {HTMLElement/Ext.Element} The new node
* @hide (repeat)
*/
insertAfter : function(el, o, returnElement){
return doInsert(el, o, returnElement, afterend, 'nextSibling');
},
/**
* Creates new DOM element(s) and inserts them as the first child of el.
* @param {Mixed} el The context element
* @param {Object/String} o The DOM object spec (and children) or raw HTML blob
* @param {Boolean} returnElement (optional) true to return a Ext.Element
* @return {HTMLElement/Ext.Element} The new node
* @hide (repeat)
*/
insertFirst : function(el, o, returnElement){
return doInsert(el, o, returnElement, afterbegin, 'firstChild');
},
/**
* Creates new DOM element(s) and appends them to el.
* @param {Mixed} el The context element
* @param {Object/String} o The DOM object spec (and children) or raw HTML blob
* @param {Boolean} returnElement (optional) true to return a Ext.Element
* @return {HTMLElement/Ext.Element} The new node
* @hide (repeat)
*/
append: function(el, o, returnElement){
return doInsert(el, o, returnElement, beforeend, '', true);
},
/**
* Creates new DOM element(s) without inserting them to the document.
* @param {Object/String} o The DOM object spec (and children) or raw HTML blob
* @return {HTMLElement} The new uninserted node
*/
createDom: createDom
};
return pub;
}());
/**
* @class Ext.Template
*/
Ext.apply(Ext.Template.prototype, {
/**
* @cfg {Boolean} disableFormats Specify true to disable format
* functions in the template. If the template does not contain
* {@link Ext.util.Format format functions}, setting disableFormats
* to true will reduce {@link #apply}
time. Defaults to false.
*
var t = new Ext.Template(
'<div name="{id}">',
'<span class="{cls}">{name} {value}</span>',
'</div>',
{
compiled: true, // {@link #compile} immediately
disableFormats: true // reduce {@link #apply}
time since no formatting
}
);
*
* For a list of available format functions, see {@link Ext.util.Format}.
*/
disableFormats : false,
/**
* See {@link #disableFormats}
.
* @type Boolean
* @property disableFormats
*/
/**
* The regular expression used to match template variables
* @type RegExp
* @property
* @hide repeat doc
*/
re : /\{([\w\-]+)(?:\:([\w\.]*)(?:\((.*?)?\))?)?\}/g,
argsRe : /^\s*['"](.*)["']\s*$/,
compileARe : /\\/g,
compileBRe : /(\r\n|\n)/g,
compileCRe : /'/g,
/**
* Returns an HTML fragment of this template with the specified values applied.
* @param {Object/Array} values The template values. Can be an array if your params are numeric (i.e. {0}) or an object (i.e. {foo: 'bar'})
* @return {String} The HTML fragment
* @hide repeat doc
*/
applyTemplate : function(values){
var me = this,
useF = me.disableFormats !== true,
fm = Ext.util.Format,
tpl = me;
if(me.compiled){
return me.compiled(values);
}
function fn(m, name, format, args){
if (format && useF) {
if (format.substr(0, 5) == "this.") {
return tpl.call(format.substr(5), values[name], values);
} else {
if (args) {
// quoted values are required for strings in compiled templates,
// but for non compiled we need to strip them
// quoted reversed for jsmin
var re = me.argsRe;
args = args.split(',');
for(var i = 0, len = args.length; i < len; i++){
args[i] = args[i].replace(re, "$1");
}
args = [values[name]].concat(args);
} else {
args = [values[name]];
}
return fm[format].apply(fm, args);
}
} else {
return values[name] !== undefined ? values[name] : "";
}
}
return me.html.replace(me.re, fn);
},
/**
* Compiles the template into an internal function, eliminating the RegEx overhead.
* @return {Ext.Template} this
* @hide repeat doc
*/
compile : function(){
var me = this,
fm = Ext.util.Format,
useF = me.disableFormats !== true,
sep = Ext.isGecko ? "+" : ",",
body;
function fn(m, name, format, args){
if(format && useF){
args = args ? ',' + args : "";
if(format.substr(0, 5) != "this."){
format = "fm." + format + '(';
}else{
format = 'this.call("'+ format.substr(5) + '", ';
args = ", values";
}
}else{
args= ''; format = "(values['" + name + "'] == undefined ? '' : ";
}
return "'"+ sep + format + "values['" + name + "']" + args + ")"+sep+"'";
}
// branched to use + in gecko and [].join() in others
if(Ext.isGecko){
body = "this.compiled = function(values){ return '" +
me.html.replace(me.compileARe, '\\\\').replace(me.compileBRe, '\\n').replace(me.compileCRe, "\\'").replace(me.re, fn) +
"';};";
}else{
body = ["this.compiled = function(values){ return ['"];
body.push(me.html.replace(me.compileARe, '\\\\').replace(me.compileBRe, '\\n').replace(me.compileCRe, "\\'").replace(me.re, fn));
body.push("'].join('');};");
body = body.join('');
}
eval(body);
return me;
},
// private function used to call members
call : function(fnName, value, allValues){
return this[fnName](value, allValues);
}
});
Ext.Template.prototype.apply = Ext.Template.prototype.applyTemplate;
/**
* @class Ext.util.Functions
* @singleton
*/
Ext.util.Functions = {
/**
* Creates an interceptor function. The passed function is called before the original one. If it returns false,
* the original one is not called. The resulting function returns the results of the original function.
* The passed function is called with the parameters of the original function. Example usage:
*
var sayHi = function(name){
alert('Hi, ' + name);
}
sayHi('Fred'); // alerts "Hi, Fred"
// create a new function that validates input without
// directly modifying the original function:
var sayHiToFriend = Ext.createInterceptor(sayHi, function(name){
return name == 'Brian';
});
sayHiToFriend('Fred'); // no alert
sayHiToFriend('Brian'); // alerts "Hi, Brian"
* @param {Function} origFn The original function.
* @param {Function} newFn The function to call before the original
* @param {Object} scope (optional) The scope (this
reference) in which the passed function is executed.
* If omitted, defaults to the scope in which the original function is called or the browser window.
* @return {Function} The new function
*/
createInterceptor: function(origFn, newFn, scope) {
var method = origFn;
if (!Ext.isFunction(newFn)) {
return origFn;
}
else {
return function() {
var me = this,
args = arguments;
newFn.target = me;
newFn.method = origFn;
return (newFn.apply(scope || me || window, args) !== false) ?
origFn.apply(me || window, args) :
null;
};
}
},
/**
* Creates a delegate (callback) that sets the scope to obj.
* Call directly on any function. Example: Ext.createDelegate(this.myFunction, this, [arg1, arg2])
* Will create a function that is automatically scoped to obj so that the this variable inside the
* callback points to obj. Example usage:
*
var sayHi = function(name){
// Note this use of "this.text" here. This function expects to
// execute within a scope that contains a text property. In this
// example, the "this" variable is pointing to the btn object that
// was passed in createDelegate below.
alert('Hi, ' + name + '. You clicked the "' + this.text + '" button.');
}
var btn = new Ext.Button({
text: 'Say Hi',
renderTo: Ext.getBody()
});
// This callback will execute in the scope of the
// button instance. Clicking the button alerts
// "Hi, Fred. You clicked the "Say Hi" button."
btn.on('click', Ext.createDelegate(sayHi, btn, ['Fred']));
* @param {Function} fn The function to delegate.
* @param {Object} scope (optional) The scope (this
reference) in which the function is executed.
* If omitted, defaults to the browser window.
* @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)
* @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
* if a number the args are inserted at the specified position
* @return {Function} The new function
*/
createDelegate: function(fn, obj, args, appendArgs) {
if (!Ext.isFunction(fn)) {
return fn;
}
return function() {
var callArgs = args || arguments;
if (appendArgs === true) {
callArgs = Array.prototype.slice.call(arguments, 0);
callArgs = callArgs.concat(args);
}
else if (Ext.isNumber(appendArgs)) {
callArgs = Array.prototype.slice.call(arguments, 0);
// copy arguments first
var applyArgs = [appendArgs, 0].concat(args);
// create method call params
Array.prototype.splice.apply(callArgs, applyArgs);
// splice them in
}
return fn.apply(obj || window, callArgs);
};
},
/**
* Calls this function after the number of millseconds specified, optionally in a specific scope. Example usage:
*
var sayHi = function(name){
alert('Hi, ' + name);
}
// executes immediately:
sayHi('Fred');
// executes after 2 seconds:
Ext.defer(sayHi, 2000, this, ['Fred']);
// this syntax is sometimes useful for deferring
// execution of an anonymous function:
Ext.defer(function(){
alert('Anonymous');
}, 100);
* @param {Function} fn The function to defer.
* @param {Number} millis The number of milliseconds for the setTimeout call (if less than or equal to 0 the function is executed immediately)
* @param {Object} scope (optional) The scope (this
reference) in which the function is executed.
* If omitted, defaults to the browser window.
* @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)
* @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
* if a number the args are inserted at the specified position
* @return {Number} The timeout id that can be used with clearTimeout
*/
defer: function(fn, millis, obj, args, appendArgs) {
fn = Ext.util.Functions.createDelegate(fn, obj, args, appendArgs);
if (millis > 0) {
return setTimeout(fn, millis);
}
fn();
return 0;
},
/**
* Create a combined function call sequence of the original function + the passed function.
* The resulting function returns the results of the original function.
* The passed fcn is called with the parameters of the original function. Example usage:
*
var sayHi = function(name){
alert('Hi, ' + name);
}
sayHi('Fred'); // alerts "Hi, Fred"
var sayGoodbye = Ext.createSequence(sayHi, function(name){
alert('Bye, ' + name);
});
sayGoodbye('Fred'); // both alerts show
* @param {Function} origFn The original function.
* @param {Function} newFn The function to sequence
* @param {Object} scope (optional) The scope (this reference) in which the passed function is executed.
* If omitted, defaults to the scope in which the original function is called or the browser window.
* @return {Function} The new function
*/
createSequence: function(origFn, newFn, scope) {
if (!Ext.isFunction(newFn)) {
return origFn;
}
else {
return function() {
var retval = origFn.apply(this || window, arguments);
newFn.apply(scope || this || window, arguments);
return retval;
};
}
}
};
/**
* Shorthand for {@link Ext.util.Functions#defer}
* @param {Function} fn The function to defer.
* @param {Number} millis The number of milliseconds for the setTimeout call (if less than or equal to 0 the function is executed immediately)
* @param {Object} scope (optional) The scope (this
reference) in which the function is executed.
* If omitted, defaults to the browser window.
* @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)
* @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
* if a number the args are inserted at the specified position
* @return {Number} The timeout id that can be used with clearTimeout
* @member Ext
* @method defer
*/
Ext.defer = Ext.util.Functions.defer;
/**
* Shorthand for {@link Ext.util.Functions#createInterceptor}
* @param {Function} origFn The original function.
* @param {Function} newFn The function to call before the original
* @param {Object} scope (optional) The scope (this
reference) in which the passed function is executed.
* If omitted, defaults to the scope in which the original function is called or the browser window.
* @return {Function} The new function
* @member Ext
* @method createInterceptor
*/
Ext.createInterceptor = Ext.util.Functions.createInterceptor;
/**
* Shorthand for {@link Ext.util.Functions#createSequence}
* @param {Function} origFn The original function.
* @param {Function} newFn The function to sequence
* @param {Object} scope (optional) The scope (this reference) in which the passed function is executed.
* If omitted, defaults to the scope in which the original function is called or the browser window.
* @return {Function} The new function
* @member Ext
* @method createSequence
*/
Ext.createSequence = Ext.util.Functions.createSequence;
/**
* Shorthand for {@link Ext.util.Functions#createDelegate}
* @param {Function} fn The function to delegate.
* @param {Object} scope (optional) The scope (this
reference) in which the function is executed.
* If omitted, defaults to the browser window.
* @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)
* @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
* if a number the args are inserted at the specified position
* @return {Function} The new function
* @member Ext
* @method createDelegate
*/
Ext.createDelegate = Ext.util.Functions.createDelegate;
/**
* @class Ext.util.Observable
*/
Ext.apply(Ext.util.Observable.prototype, function(){
// this is considered experimental (along with beforeMethod, afterMethod, removeMethodListener?)
// allows for easier interceptor and sequences, including cancelling and overwriting the return value of the call
// private
function getMethodEvent(method){
var e = (this.methodEvents = this.methodEvents ||
{})[method], returnValue, v, cancel, obj = this;
if (!e) {
this.methodEvents[method] = e = {};
e.originalFn = this[method];
e.methodName = method;
e.before = [];
e.after = [];
var makeCall = function(fn, scope, args){
if((v = fn.apply(scope || obj, args)) !== undefined){
if (typeof v == 'object') {
if(v.returnValue !== undefined){
returnValue = v.returnValue;
}else{
returnValue = v;
}
cancel = !!v.cancel;
}
else
if (v === false) {
cancel = true;
}
else {
returnValue = v;
}
}
};
this[method] = function(){
var args = Array.prototype.slice.call(arguments, 0),
b;
returnValue = v = undefined;
cancel = false;
for(var i = 0, len = e.before.length; i < len; i++){
b = e.before[i];
makeCall(b.fn, b.scope, args);
if (cancel) {
return returnValue;
}
}
if((v = e.originalFn.apply(obj, args)) !== undefined){
returnValue = v;
}
for(var i = 0, len = e.after.length; i < len; i++){
b = e.after[i];
makeCall(b.fn, b.scope, args);
if (cancel) {
return returnValue;
}
}
return returnValue;
};
}
return e;
}
return {
// these are considered experimental
// allows for easier interceptor and sequences, including cancelling and overwriting the return value of the call
// adds an 'interceptor' called before the original method
beforeMethod : function(method, fn, scope){
getMethodEvent.call(this, method).before.push({
fn: fn,
scope: scope
});
},
// adds a 'sequence' called after the original method
afterMethod : function(method, fn, scope){
getMethodEvent.call(this, method).after.push({
fn: fn,
scope: scope
});
},
removeMethodListener: function(method, fn, scope){
var e = this.getMethodEvent(method);
for(var i = 0, len = e.before.length; i < len; i++){
if(e.before[i].fn == fn && e.before[i].scope == scope){
e.before.splice(i, 1);
return;
}
}
for(var i = 0, len = e.after.length; i < len; i++){
if(e.after[i].fn == fn && e.after[i].scope == scope){
e.after.splice(i, 1);
return;
}
}
},
/**
* Relays selected events from the specified Observable as if the events were fired by this.
* @param {Object} o The Observable whose events this object is to relay.
* @param {Array} events Array of event names to relay.
*/
relayEvents : function(o, events){
var me = this;
function createHandler(ename){
return function(){
return me.fireEvent.apply(me, [ename].concat(Array.prototype.slice.call(arguments, 0)));
};
}
for(var i = 0, len = events.length; i < len; i++){
var ename = events[i];
me.events[ename] = me.events[ename] || true;
o.on(ename, createHandler(ename), me);
}
},
/**
* Enables events fired by this Observable to bubble up an owner hierarchy by calling
* this.getBubbleTarget()
if present. There is no implementation in the Observable base class.
This is commonly used by Ext.Components to bubble events to owner Containers. See {@link Ext.Component.getBubbleTarget}. The default * implementation in Ext.Component returns the Component's immediate owner. But if a known target is required, this can be overridden to * access the required target more quickly.
*Example:
Ext.override(Ext.form.Field, {
// Add functionality to Field's initComponent to enable the change event to bubble
initComponent : Ext.form.Field.prototype.initComponent.createSequence(function() {
this.enableBubble('change');
}),
// We know that we want Field's events to bubble directly to the FormPanel.
getBubbleTarget : function() {
if (!this.formPanel) {
this.formPanel = this.findParentByType('form');
}
return this.formPanel;
}
});
var myForm = new Ext.formPanel({
title: 'User Details',
items: [{
...
}],
listeners: {
change: function() {
// Title goes red if form has been modified.
myForm.header.setStyle('color', 'red');
}
}
});
* @param {String/Array} events The event name to bubble, or an Array of event names.
*/
enableBubble : function(events){
var me = this;
if(!Ext.isEmpty(events)){
events = Ext.isArray(events) ? events : Array.prototype.slice.call(arguments, 0);
for(var i = 0, len = events.length; i < len; i++){
var ename = events[i];
ename = ename.toLowerCase();
var ce = me.events[ename] || true;
if (typeof ce == 'boolean') {
ce = new Ext.util.Event(me, ename);
me.events[ename] = ce;
}
ce.bubble = true;
}
}
}
};
}());
/**
* Starts capture on the specified Observable. All events will be passed
* to the supplied function with the event name + standard signature of the event
* before the event is fired. If the supplied function returns false,
* the event will not fire.
* @param {Observable} o The Observable to capture events from.
* @param {Function} fn The function to call when an event is fired.
* @param {Object} scope (optional) The scope (this
reference) in which the function is executed. Defaults to the Observable firing the event.
* @static
*/
Ext.util.Observable.capture = function(o, fn, scope){
o.fireEvent = o.fireEvent.createInterceptor(fn, scope);
};
/**
* Sets observability on the passed class constructor.*
This makes any event fired on any instance of the passed class also fire a single event through * the class allowing for central handling of events on many instances at once.
*Usage:
Ext.util.Observable.observeClass(Ext.data.Connection);
Ext.data.Connection.on('beforerequest', function(con, options) {
console.log('Ajax request made to ' + options.url);
});
* @param {Function} c The class constructor to make observable.
* @param {Object} listeners An object containing a series of listeners to add. See {@link #addListener}.
* @static
*/
Ext.util.Observable.observeClass = function(c, listeners){
if(c){
if(!c.fireEvent){
Ext.apply(c, new Ext.util.Observable());
Ext.util.Observable.capture(c.prototype, c.fireEvent, c);
}
if(typeof listeners == 'object'){
c.on(listeners);
}
return c;
}
};
/**
* @class Ext.EventManager
*/
Ext.apply(Ext.EventManager, function(){
var resizeEvent,
resizeTask,
textEvent,
textSize,
D = Ext.lib.Dom,
propRe = /^(?:scope|delay|buffer|single|stopEvent|preventDefault|stopPropagation|normalized|args|delegate)$/,
unload = Ext.EventManager._unload,
curWidth = 0,
curHeight = 0,
// note 1: IE fires ONLY the keydown event on specialkey autorepeat
// note 2: Safari < 3.1, Gecko (Mac/Linux) & Opera fire only the keypress event on specialkey autorepeat
// (research done by @Jan Wolter at http://unixpapa.com/js/key.html)
useKeydown = Ext.isWebKit ?
Ext.num(navigator.userAgent.match(/AppleWebKit\/(\d+)/)[1]) >= 525 :
!((Ext.isGecko && !Ext.isWindows) || Ext.isOpera);
return {
_unload: function(){
Ext.EventManager.un(window, "resize", this.fireWindowResize, this);
unload.call(Ext.EventManager);
},
// private
doResizeEvent: function(){
var h = D.getViewHeight(),
w = D.getViewWidth();
//whacky problem in IE where the resize event will fire even though the w/h are the same.
if(curHeight != h || curWidth != w){
resizeEvent.fire(curWidth = w, curHeight = h);
}
},
/**
* Adds a listener to be notified when the browser window is resized and provides resize event buffering (100 milliseconds),
* passes new viewport width and height to handlers.
* @param {Function} fn The handler function the window resize event invokes.
* @param {Object} scope The scope (this
reference) in which the handler function executes. Defaults to the browser window.
* @param {boolean} options Options object as passed to {@link Ext.Element#addListener}
*/
onWindowResize : function(fn, scope, options){
if(!resizeEvent){
resizeEvent = new Ext.util.Event();
resizeTask = new Ext.util.DelayedTask(this.doResizeEvent);
Ext.EventManager.on(window, "resize", this.fireWindowResize, this);
}
resizeEvent.addListener(fn, scope, options);
},
// exposed only to allow manual firing
fireWindowResize : function(){
if(resizeEvent){
resizeTask.delay(100);
}
},
/**
* Adds a listener to be notified when the user changes the active text size. Handler gets called with 2 params, the old size and the new size.
* @param {Function} fn The function the event invokes.
* @param {Object} scope The scope (this
reference) in which the handler function executes. Defaults to the browser window.
* @param {boolean} options Options object as passed to {@link Ext.Element#addListener}
*/
onTextResize : function(fn, scope, options){
if(!textEvent){
textEvent = new Ext.util.Event();
var textEl = new Ext.Element(document.createElement('div'));
textEl.dom.className = 'x-text-resize';
textEl.dom.innerHTML = 'X';
textEl.appendTo(document.body);
textSize = textEl.dom.offsetHeight;
setInterval(function(){
if(textEl.dom.offsetHeight != textSize){
textEvent.fire(textSize, textSize = textEl.dom.offsetHeight);
}
}, this.textResizeInterval);
}
textEvent.addListener(fn, scope, options);
},
/**
* Removes the passed window resize listener.
* @param {Function} fn The method the event invokes
* @param {Object} scope The scope of handler
*/
removeResizeListener : function(fn, scope){
if(resizeEvent){
resizeEvent.removeListener(fn, scope);
}
},
// private
fireResize : function(){
if(resizeEvent){
resizeEvent.fire(D.getViewWidth(), D.getViewHeight());
}
},
/**
* The frequency, in milliseconds, to check for text resize events (defaults to 50)
*/
textResizeInterval : 50,
/**
* Url used for onDocumentReady with using SSL (defaults to Ext.SSL_SECURE_URL)
*/
ieDeferSrc : false,
// protected, short accessor for useKeydown
getKeyEvent : function(){
return useKeydown ? 'keydown' : 'keypress';
},
// protected for use inside the framework
// detects whether we should use keydown or keypress based on the browser.
useKeydown: useKeydown
};
}());
Ext.EventManager.on = Ext.EventManager.addListener;
Ext.apply(Ext.EventObjectImpl.prototype, {
/** Key constant @type Number */
BACKSPACE: 8,
/** Key constant @type Number */
TAB: 9,
/** Key constant @type Number */
NUM_CENTER: 12,
/** Key constant @type Number */
ENTER: 13,
/** Key constant @type Number */
RETURN: 13,
/** Key constant @type Number */
SHIFT: 16,
/** Key constant @type Number */
CTRL: 17,
CONTROL : 17, // legacy
/** Key constant @type Number */
ALT: 18,
/** Key constant @type Number */
PAUSE: 19,
/** Key constant @type Number */
CAPS_LOCK: 20,
/** Key constant @type Number */
ESC: 27,
/** Key constant @type Number */
SPACE: 32,
/** Key constant @type Number */
PAGE_UP: 33,
PAGEUP : 33, // legacy
/** Key constant @type Number */
PAGE_DOWN: 34,
PAGEDOWN : 34, // legacy
/** Key constant @type Number */
END: 35,
/** Key constant @type Number */
HOME: 36,
/** Key constant @type Number */
LEFT: 37,
/** Key constant @type Number */
UP: 38,
/** Key constant @type Number */
RIGHT: 39,
/** Key constant @type Number */
DOWN: 40,
/** Key constant @type Number */
PRINT_SCREEN: 44,
/** Key constant @type Number */
INSERT: 45,
/** Key constant @type Number */
DELETE: 46,
/** Key constant @type Number */
ZERO: 48,
/** Key constant @type Number */
ONE: 49,
/** Key constant @type Number */
TWO: 50,
/** Key constant @type Number */
THREE: 51,
/** Key constant @type Number */
FOUR: 52,
/** Key constant @type Number */
FIVE: 53,
/** Key constant @type Number */
SIX: 54,
/** Key constant @type Number */
SEVEN: 55,
/** Key constant @type Number */
EIGHT: 56,
/** Key constant @type Number */
NINE: 57,
/** Key constant @type Number */
A: 65,
/** Key constant @type Number */
B: 66,
/** Key constant @type Number */
C: 67,
/** Key constant @type Number */
D: 68,
/** Key constant @type Number */
E: 69,
/** Key constant @type Number */
F: 70,
/** Key constant @type Number */
G: 71,
/** Key constant @type Number */
H: 72,
/** Key constant @type Number */
I: 73,
/** Key constant @type Number */
J: 74,
/** Key constant @type Number */
K: 75,
/** Key constant @type Number */
L: 76,
/** Key constant @type Number */
M: 77,
/** Key constant @type Number */
N: 78,
/** Key constant @type Number */
O: 79,
/** Key constant @type Number */
P: 80,
/** Key constant @type Number */
Q: 81,
/** Key constant @type Number */
R: 82,
/** Key constant @type Number */
S: 83,
/** Key constant @type Number */
T: 84,
/** Key constant @type Number */
U: 85,
/** Key constant @type Number */
V: 86,
/** Key constant @type Number */
W: 87,
/** Key constant @type Number */
X: 88,
/** Key constant @type Number */
Y: 89,
/** Key constant @type Number */
Z: 90,
/** Key constant @type Number */
CONTEXT_MENU: 93,
/** Key constant @type Number */
NUM_ZERO: 96,
/** Key constant @type Number */
NUM_ONE: 97,
/** Key constant @type Number */
NUM_TWO: 98,
/** Key constant @type Number */
NUM_THREE: 99,
/** Key constant @type Number */
NUM_FOUR: 100,
/** Key constant @type Number */
NUM_FIVE: 101,
/** Key constant @type Number */
NUM_SIX: 102,
/** Key constant @type Number */
NUM_SEVEN: 103,
/** Key constant @type Number */
NUM_EIGHT: 104,
/** Key constant @type Number */
NUM_NINE: 105,
/** Key constant @type Number */
NUM_MULTIPLY: 106,
/** Key constant @type Number */
NUM_PLUS: 107,
/** Key constant @type Number */
NUM_MINUS: 109,
/** Key constant @type Number */
NUM_PERIOD: 110,
/** Key constant @type Number */
NUM_DIVISION: 111,
/** Key constant @type Number */
F1: 112,
/** Key constant @type Number */
F2: 113,
/** Key constant @type Number */
F3: 114,
/** Key constant @type Number */
F4: 115,
/** Key constant @type Number */
F5: 116,
/** Key constant @type Number */
F6: 117,
/** Key constant @type Number */
F7: 118,
/** Key constant @type Number */
F8: 119,
/** Key constant @type Number */
F9: 120,
/** Key constant @type Number */
F10: 121,
/** Key constant @type Number */
F11: 122,
/** Key constant @type Number */
F12: 123,
/** @private */
isNavKeyPress : function(){
var me = this,
k = this.normalizeKey(me.keyCode);
return (k >= 33 && k <= 40) || // Page Up/Down, End, Home, Left, Up, Right, Down
k == me.RETURN ||
k == me.TAB ||
k == me.ESC;
},
isSpecialKey : function(){
var k = this.normalizeKey(this.keyCode);
return (this.type == 'keypress' && this.ctrlKey) ||
this.isNavKeyPress() ||
(k == this.BACKSPACE) || // Backspace
(k >= 16 && k <= 20) || // Shift, Ctrl, Alt, Pause, Caps Lock
(k >= 44 && k <= 46); // Print Screen, Insert, Delete
},
getPoint : function(){
return new Ext.lib.Point(this.xy[0], this.xy[1]);
},
/**
* Returns true if the control, meta, shift or alt key was pressed during this event.
* @return {Boolean}
*/
hasModifier : function(){
return ((this.ctrlKey || this.altKey) || this.shiftKey);
}
});/**
* @class Ext.Element
*/
Ext.Element.addMethods({
/**
* Stops the specified event(s) from bubbling and optionally prevents the default action
* @param {String/Array} eventName an event / array of events to stop from bubbling
* @param {Boolean} preventDefault (optional) true to prevent the default action too
* @return {Ext.Element} this
*/
swallowEvent : function(eventName, preventDefault) {
var me = this;
function fn(e) {
e.stopPropagation();
if (preventDefault) {
e.preventDefault();
}
}
if (Ext.isArray(eventName)) {
Ext.each(eventName, function(e) {
me.on(e, fn);
});
return me;
}
me.on(eventName, fn);
return me;
},
/**
* Create an event handler on this element such that when the event fires and is handled by this element,
* it will be relayed to another object (i.e., fired again as if it originated from that object instead).
* @param {String} eventName The type of event to relay
* @param {Object} object Any object that extends {@link Ext.util.Observable} that will provide the context
* for firing the relayed event
*/
relayEvent : function(eventName, observable) {
this.on(eventName, function(e) {
observable.fireEvent(eventName, e);
});
},
/**
* Removes worthless text nodes
* @param {Boolean} forceReclean (optional) By default the element
* keeps track if it has been cleaned already so
* you can call this over and over. However, if you update the element and
* need to force a reclean, you can pass true.
*/
clean : function(forceReclean) {
var me = this,
dom = me.dom,
n = dom.firstChild,
ni = -1;
if (Ext.Element.data(dom, 'isCleaned') && forceReclean !== true) {
return me;
}
while (n) {
var nx = n.nextSibling;
if (n.nodeType == 3 && !(/\S/.test(n.nodeValue))) {
dom.removeChild(n);
} else {
n.nodeIndex = ++ni;
}
n = nx;
}
Ext.Element.data(dom, 'isCleaned', true);
return me;
},
/**
* Direct access to the Updater {@link Ext.Updater#update} method. The method takes the same object
* parameter as {@link Ext.Updater#update}
* @return {Ext.Element} this
*/
load : function() {
var updateManager = this.getUpdater();
updateManager.update.apply(updateManager, arguments);
return this;
},
/**
* Gets this element's {@link Ext.Updater Updater}
* @return {Ext.Updater} The Updater
*/
getUpdater : function() {
return this.updateManager || (this.updateManager = new Ext.Updater(this));
},
/**
* Update the innerHTML of this element, optionally searching for and processing scripts
* @param {String} html The new HTML
* @param {Boolean} loadScripts (optional) True to look for and process scripts (defaults to false)
* @param {Function} callback (optional) For async script loading you can be notified when the update completes
* @return {Ext.Element} this
*/
update : function(html, loadScripts, callback) {
if (!this.dom) {
return this;
}
html = html || "";
if (loadScripts !== true) {
this.dom.innerHTML = html;
if (typeof callback == 'function') {
callback();
}
return this;
}
var id = Ext.id(),
dom = this.dom;
html += '';
Ext.lib.Event.onAvailable(id, function() {
var DOC = document,
hd = DOC.getElementsByTagName("head")[0],
re = /(?: