manager/assets/modext/util/eventfix.js
Ext.EventManager = function(){
var docReadyEvent, docReadyProcId, docReadyState = false;
var resizeEvent, resizeTask, textEvent, textSize;
var E = Ext.lib.Event;
var D = Ext.lib.Dom;
// fix parser confusion
var xname = 'Ex' + 't';
var elHash = {};
var addListener = function(el, ename, fn, wrap, scope){
var id = Ext.id(el);
if(!elHash[id]){
elHash[id] = {};
}
var es = elHash[id];
if(!es[ename]){
es[ename] = [];
}
var ls = es[ename];
ls.push({
id: id,
ename: ename,
fn: fn,
wrap: wrap,
scope: scope
});
E.on(el, ename, wrap);
if(ename == "mousewheel" && el.addEventListener){ // workaround for jQuery
el.addEventListener("DOMMouseScroll", wrap, false);
E.on(window, 'unload', function(){
el.removeEventListener("DOMMouseScroll", wrap, false);
});
}
if(ename == "mousedown" && el == document){ // fix stopped mousedowns on the document
Ext.EventManager.stoppedMouseDownEvent.addListener(wrap);
}
};
var removeListener = function(el, ename, fn, scope){
el = Ext.getDom(el);
var id = Ext.id(el), es = elHash[id], wrap;
if(es){
var ls = es[ename], l;
if(ls){
for(var i = 0, len = ls.length; i < len; i++){
l = ls[i];
if(l.fn == fn && (!scope || l.scope == scope)){
wrap = l.wrap;
E.un(el, ename, wrap);
ls.splice(i, 1);
break;
}
}
}
}
if(ename == "mousewheel" && el.addEventListener && wrap){
el.removeEventListener("DOMMouseScroll", wrap, false);
}
if(ename == "mousedown" && el == document && wrap){ // fix stopped mousedowns on the document
Ext.EventManager.stoppedMouseDownEvent.removeListener(wrap);
}
};
var removeAll = function(el){
el = Ext.getDom(el);
var id = Ext.id(el), es = elHash[id], ls;
if(es){
for(var ename in es){
if(es.hasOwnProperty(ename)){
ls = es[ename];
for(var i = 0, len = ls.length; i < len; i++){
E.un(el, ename, ls[i].wrap);
ls[i] = null;
}
}
es[ename] = null;
}
delete elHash[id];
}
};
var fireDocReady = function(){
if(!docReadyState){
docReadyState = true;
Ext.isReady = true;
if(docReadyProcId){
clearInterval(docReadyProcId);
}
if(Ext.isGecko || Ext.isOpera) {
document.removeEventListener("DOMContentLoaded", fireDocReady, false);
}
if(Ext.isIE){
var defer = document.getElementById("ie-deferred-loader");
if(defer){
defer.onreadystatechange = null;
defer.parentNode.removeChild(defer);
}
}
if(docReadyEvent){
docReadyEvent.fire();
docReadyEvent.clearListeners();
}
}
};
var initDocReady = function(){
docReadyEvent = new Ext.util.Event();
if(Ext.isGecko || Ext.isOpera) {
document.addEventListener("DOMContentLoaded", fireDocReady, false);
}else if(Ext.isIE){
document.write("<s"+'cript id="ie-deferred-loader" defer="defer" src="/'+'/:"></s'+"cript>");
var defer = document.getElementById("ie-deferred-loader");
defer.onreadystatechange = function(){
if(this.readyState == "complete"){
fireDocReady();
}
};
}else if(Ext.isSafari){
docReadyProcId = setInterval(function(){
var rs = document.readyState;
if(rs == "complete") {
fireDocReady();
}
}, 10);
}
E.on(window, "load", fireDocReady);
};
var createBuffered = function(h, o){
var task = new Ext.util.DelayedTask(h);
return function(e){
e = new Ext.EventObjectImpl(e);
task.delay(o.buffer, h, null, [e]);
};
};
var createSingle = function(h, el, ename, fn){
return function(e){
Ext.EventManager.removeListener(el, ename, fn);
h(e);
};
};
var createDelayed = function(h, o){
return function(e){
e = new Ext.EventObjectImpl(e);
setTimeout(function(){
h(e);
}, o.delay || 10);
};
};
var listen = function(element, ename, opt, fn, scope){
var o = (!opt || typeof opt == "boolean") ? {} : opt;
fn = fn || o.fn; scope = scope || o.scope;
var el = Ext.getDom(element);
if(!el){
throw "Error listening for \"" + ename + '\". Element "' + element + '" doesn\'t exist.';
}
var h = function(e){
e = Ext.EventObject.setEvent(e);
var t;
if(o.delegate){
t = e.getTarget(o.delegate, el);
if(!t){
return;
}
}else{
t = e.target;
}
if(o.stopEvent === true){
e.stopEvent();
}
if(o.preventDefault === true){
e.preventDefault();
}
if(o.stopPropagation === true){
e.stopPropagation();
}
if(o.normalized === false){
e = e.browserEvent;
}
fn.call(scope || el, e, t, o);
};
if(o.delay){
h = createDelayed(h, o);
}
if(o.single){
h = createSingle(h, el, ename, fn);
}
if(o.buffer){
h = createBuffered(h, o);
}
fn._handlers = fn._handlers || [];
fn._handlers.push([Ext.id(el), ename, h]);
E.on(el, ename, h);
if(ename == "mousewheel" && el.addEventListener){
el.addEventListener("DOMMouseScroll", h, false);
E.on(window, 'unload', function(){
el.removeEventListener("DOMMouseScroll", h, false);
});
}
if(ename == "mousedown" && el == document){
Ext.EventManager.stoppedMouseDownEvent.addListener(h);
}
return h;
};
var stopListening = function(el, ename, fn){
var id = Ext.id(el), hds = fn._handlers, hd = fn;
if(hds){
for(var i = 0, len = hds.length; i < len; i++){
var h = hds[i];
if(h[0] == id && h[1] == ename){
hd = h[2];
hds.splice(i, 1);
break;
}
}
}
E.un(el, ename, hd);
el = Ext.getDom(el);
if(ename == "mousewheel" && el.addEventListener){
el.removeEventListener("DOMMouseScroll", hd, false);
}
if(ename == "mousedown" && el == document){
Ext.EventManager.stoppedMouseDownEvent.removeListener(hd);
}
};
var propRe = /^(?:scope|delay|buffer|single|stopEvent|preventDefault|stopPropagation|normalized|args|delegate)$/;
var pub = {
addListener : function(element, eventName, fn, scope, options){
if(typeof eventName == "object"){
var o = eventName;
for(var e in o){
if(propRe.test(e)){
continue;
}
if(typeof o[e] == "function"){
listen(element, e, o, o[e], o.scope);
}else{
listen(element, e, o[e]);
}
}
return;
}
return listen(element, eventName, options, fn, scope);
},
removeListener : function(element, eventName, fn){
return stopListening(element, eventName, fn);
},
removeAll : function(element){
return removeAll(element);
},
onDocumentReady : function(fn, scope, options){
if(docReadyState){
docReadyEvent.addListener(fn, scope, options);
docReadyEvent.fire();
docReadyEvent.clearListeners();
return;
}
if(!docReadyEvent){
initDocReady();
}
options = options || {};
if(!options.delay) {
options.delay = 1;
}
docReadyEvent.addListener(fn, scope, options);
},
onWindowResize : function(fn, scope, options){
if(!resizeEvent){
resizeEvent = new Ext.util.Event();
resizeTask = new Ext.util.DelayedTask(function(){
resizeEvent.fire(D.getViewWidth(), D.getViewHeight());
});
E.on(window, "resize", this.fireWindowResize, this);
}
resizeEvent.addListener(fn, scope, options);
},
fireWindowResize : function(){
if(resizeEvent){
if((Ext.isIE||Ext.isAir) && resizeTask){
resizeTask.delay(50);
}else{
resizeEvent.fire(D.getViewWidth(), D.getViewHeight());
}
}
},
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);
},
removeResizeListener : function(fn, scope){
if(resizeEvent){
resizeEvent.removeListener(fn, scope);
}
},
fireResize : function(){
if(resizeEvent){
resizeEvent.fire(D.getViewWidth(), D.getViewHeight());
}
},
ieDeferSrc : false,
textResizeInterval : 50
};
pub.on = pub.addListener;
pub.un = pub.removeListener;
pub.stoppedMouseDownEvent = new Ext.util.Event();
return pub;
}();
Ext.onReady = Ext.EventManager.onDocumentReady;
Ext.onReady(function(){
var bd = Ext.getBody();
if(!bd){ return; }
var cls = [
Ext.isIE ? "ext-ie " + (Ext.isIE6 ? 'ext-ie6' : 'ext-ie7')
: Ext.isGecko ? "ext-gecko"
: Ext.isOpera ? "ext-opera"
: Ext.isSafari ? "ext-safari" : ""];
if(Ext.isMac){
cls.push("ext-mac");
}
if(Ext.isLinux){
cls.push("ext-linux");
}
if(Ext.isBorderBox){
cls.push('ext-border-box');
}
if(Ext.isStrict){
var p = bd.dom.parentNode;
if(p){
p.className += ' ext-strict';
}
}
bd.addClass(cls.join(' '));
});