X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/25ef3491bd9ae007ff1fc2b0d7943e6eaaccf775..ddde20c4d4ac6a8d53de079761155de813845b3c:/docs/source/ext-base-event.html diff --git a/docs/source/ext-base-event.html b/docs/source/ext-base-event.html index c96becb0..8c3a6bac 100644 --- a/docs/source/ext-base-event.html +++ b/docs/source/ext-base-event.html @@ -1,448 +1,372 @@
+/*! - * Ext JS Library 3.0.3 - * Copyright(c) 2006-2009 Ext JS, LLC + * Ext JS Library 3.2.0 + * Copyright(c) 2006-2010 Ext JS, Inc. * licensing@extjs.com * http://www.extjs.com/license */ -Ext.lib.Event = function() { - var loadComplete = false, - listeners = [], - unloadListeners = [], - retryCount = 0, - onAvailStack = [], - _interval, - locked = false, - win = window, - doc = document, - - // constants - POLL_RETRYS = 200, - POLL_INTERVAL = 20, - EL = 0, - TYPE = 1, - FN = 2, - WFN = 3, - OBJ = 3, - ADJ_SCOPE = 4, - SCROLLLEFT = 'scrollLeft', - SCROLLTOP = 'scrollTop', - UNLOAD = 'unload', - MOUSEOVER = 'mouseover', - MOUSEOUT = 'mouseout', - // private - doAdd = function() { - var ret; - if (win.addEventListener) { - ret = function(el, eventName, fn, capture) { - if (eventName == 'mouseenter') { - fn = fn.createInterceptor(checkRelatedTarget); - el.addEventListener(MOUSEOVER, fn, (capture)); - } else if (eventName == 'mouseleave') { - fn = fn.createInterceptor(checkRelatedTarget); - el.addEventListener(MOUSEOUT, fn, (capture)); - } else { - el.addEventListener(eventName, fn, (capture)); - } - return fn; - }; - } else if (win.attachEvent) { - ret = function(el, eventName, fn, capture) { - el.attachEvent("on" + eventName, fn); - return fn; - }; - } else { - ret = function(){}; - } - return ret; - }(), - // private - doRemove = function(){ - var ret; - if (win.removeEventListener) { - ret = function (el, eventName, fn, capture) { - if (eventName == 'mouseenter') { - eventName = MOUSEOVER; - } else if (eventName == 'mouseleave') { - eventName = MOUSEOUT; - } - el.removeEventListener(eventName, fn, (capture)); - }; - } else if (win.detachEvent) { - ret = function (el, eventName, fn) { - el.detachEvent("on" + eventName, fn); - }; - } else { - ret = function(){}; - } - return ret; - }(); - - function checkRelatedTarget(e) { - return !elContains(e.currentTarget, pub.getRelatedTarget(e)); - } - - function elContains(parent, child) { - if(parent && parent.firstChild){ - while(child) { - if(child === parent) { - return true; - } - child = child.parentNode; - if(child && (child.nodeType != 1)) { - child = null; - } - } - } - return false; - } - - - // private - function _getCacheIndex(el, eventName, fn) { - for(var v, index = -1, len = listeners.length, i = len - 1; i >= 0; --i){ - v = listeners[i]; - if (v && v[FN] == fn && v[EL] == el && v[TYPE] == eventName) { - index = i; - break; - } - } - return index; - } - - // private - function _tryPreloadAttach() { - var ret = false, - notAvail = [], - element, - tryAgain = !loadComplete || (retryCount > 0); - - if (!locked) { - locked = true; - - Ext.each(onAvailStack, function (v,i,a){ - if(v && (element = doc.getElementById(v.id))){ - if(!v.checkReady || loadComplete || element.nextSibling || (doc && doc.body)) { - element = v.override ? (v.override === true ? v.obj : v.override) : element; - v.fn.call(element, v.obj); - onAvailStack[i] = null; - } else { - notAvail.push(v); - } - } - }); - - retryCount = (notAvail.length === 0) ? 0 : retryCount - 1; - - if (tryAgain) { - startInterval(); - } else { - clearInterval(_interval); - _interval = null; - } - - ret = !(locked = false); - } - return ret; - } - - // private - function startInterval() { - if(!_interval){ - var callback = function() { - _tryPreloadAttach(); - }; - _interval = setInterval(callback, POLL_INTERVAL); - } - } - - // private - function getScroll() { - var dd = doc.documentElement, - db = doc.body; - if(dd && (dd[SCROLLTOP] || dd[SCROLLLEFT])){ - return [dd[SCROLLLEFT], dd[SCROLLTOP]]; - }else if(db){ - return [db[SCROLLLEFT], db[SCROLLTOP]]; - }else{ - return [0, 0]; - } - } - - // private - function getPageCoord (ev, xy) { - ev = ev.browserEvent || ev; - var coord = ev['page' + xy]; - if (!coord && coord !== 0) { - coord = ev['client' + xy] || 0; - - if (Ext.isIE) { - coord += getScroll()[xy == "X" ? 0 : 1]; - } - } - - return coord; - } - - var pub = { - onAvailable : function(p_id, p_fn, p_obj, p_override) { - onAvailStack.push({ - id: p_id, - fn: p_fn, - obj: p_obj, - override: p_override, - checkReady: false }); - - retryCount = POLL_RETRYS; - startInterval(); - }, - - - addListener: function(el, eventName, fn) { - var ret; - el = Ext.getDom(el); - if (el && fn) { - if (UNLOAD == eventName) { - ret = !!(unloadListeners[unloadListeners.length] = [el, eventName, fn]); - } else { - listeners.push([el, eventName, fn, ret = doAdd(el, eventName, fn, false)]); - } - } - return !!ret; - }, - - removeListener: function(el, eventName, fn) { - var ret = false, - index, - cacheItem; - - el = Ext.getDom(el); - - if(!fn) { - ret = this.purgeElement(el, false, eventName); - } else if (UNLOAD == eventName) { - Ext.each(unloadListeners, function(v, i, a) { - if( v && v[0] == el && v[1] == eventName && v[2] == fn) { - unloadListeners.splice(i, 1); - ret = true; - } - }); - } else { - index = arguments[3] || _getCacheIndex(el, eventName, fn); - cacheItem = listeners[index]; - - if (el && cacheItem) { - doRemove(el, eventName, cacheItem[WFN], false); - cacheItem[WFN] = cacheItem[FN] = null; - listeners.splice(index, 1); - ret = true; - } - } - return ret; - }, - - getTarget : function(ev) { - ev = ev.browserEvent || ev; - return this.resolveTextNode(ev.target || ev.srcElement); - }, - - resolveTextNode : Ext.isGecko ? function(node){ - if(!node){ - return; - } - // work around firefox bug, https://bugzilla.mozilla.org/show_bug.cgi?id=101197 - var s = HTMLElement.prototype.toString.call(node); - if(s == '[xpconnect wrapped native prototype]' || s == '[object XULElement]'){ - return; - } - return node.nodeType == 3 ? node.parentNode : node; - } : function(node){ - return node && node.nodeType == 3 ? node.parentNode : node; - }, - - getRelatedTarget : function(ev) { - ev = ev.browserEvent || ev; - return this.resolveTextNode(ev.relatedTarget || - (ev.type == MOUSEOUT ? ev.toElement : - ev.type == MOUSEOVER ? ev.fromElement : null)); - }, - - getPageX : function(ev) { - return getPageCoord(ev, "X"); - }, - - getPageY : function(ev) { - return getPageCoord(ev, "Y"); - }, - - - getXY : function(ev) { - return [this.getPageX(ev), this.getPageY(ev)]; - }, - -// Is this useful? Removing to save space unless use case exists. -// getTime: function(ev) { -// ev = ev.browserEvent || ev; -// if (!ev.time) { -// var t = new Date().getTime(); -// try { -// ev.time = t; -// } catch(ex) { -// return t; -// } -// } - -// return ev.time; -// }, - - stopEvent : function(ev) { - this.stopPropagation(ev); - this.preventDefault(ev); - }, - - stopPropagation : function(ev) { - ev = ev.browserEvent || ev; - if (ev.stopPropagation) { - ev.stopPropagation(); - } else { - ev.cancelBubble = true; - } - }, - - preventDefault : function(ev) { - ev = ev.browserEvent || ev; - if (ev.preventDefault) { - ev.preventDefault(); - } else { - ev.returnValue = false; - } - }, - - getEvent : function(e) { - e = e || win.event; - if (!e) { - var c = this.getEvent.caller; - while (c) { - e = c.arguments[0]; - if (e && Event == e.constructor) { - break; - } - c = c.caller; - } - } - return e; - }, - - getCharCode : function(ev) { - ev = ev.browserEvent || ev; - return ev.charCode || ev.keyCode || 0; - }, - - //clearCache: function() {}, - - _load : function(e) { - loadComplete = true; - var EU = Ext.lib.Event; - if (Ext.isIE && e !== true) { - // IE8 complains that _load is null or not an object - // so lets remove self via arguments.callee - doRemove(win, "load", arguments.callee); - } - }, - - purgeElement : function(el, recurse, eventName) { - var me = this; - Ext.each( me.getListeners(el, eventName), function(v){ - if(v){ - me.removeListener(el, v.type, v.fn, v.index); - } - }); - - if (recurse && el && el.childNodes) { - Ext.each(el.childNodes, function(v){ - me.purgeElement(v, recurse, eventName); - }); - } - }, - - getListeners : function(el, eventName) { - var me = this, - results = [], - searchLists; - - if (eventName){ - searchLists = eventName == UNLOAD ? unloadListeners : listeners; - }else{ - searchLists = listeners.concat(unloadListeners); - } - - Ext.each(searchLists, function(v, i){ - if (v && v[EL] == el && (!eventName || eventName == v[TYPE])) { - results.push({ - type: v[TYPE], - fn: v[FN], - obj: v[OBJ], - adjust: v[ADJ_SCOPE], - index: i - }); - } - }); - - return results.length ? results : null; - }, - - _unload : function(e) { - var EU = Ext.lib.Event, - i, - j, - l, - len, - index, - scope; - - - Ext.each(unloadListeners, function(v) { - if (v) { - try{ - scope = v[ADJ_SCOPE] ? (v[ADJ_SCOPE] === true ? v[OBJ] : v[ADJ_SCOPE]) : win; - v[FN].call(scope, EU.getEvent(e), v[OBJ]); - }catch(ex){} - } - }); - - unloadListeners = null; - - if(listeners && (j = listeners.length)){ - while(j){ - if((l = listeners[index = --j])){ - EU.removeListener(l[EL], l[TYPE], l[FN], index); - } - } - //EU.clearCache(); - } - - doRemove(win, UNLOAD, EU._unload); - } - }; - - // Initialize stuff. - pub.on = pub.addListener; - pub.un = pub.removeListener; - if (doc && doc.body) { - pub._load(true); - } else { - doAdd(win, "load", pub._load); - } - doAdd(win, UNLOAD, pub._unload); - _tryPreloadAttach(); - - return pub; -}();+Ext.lib.Event = function() { + var loadComplete = false, + unloadListeners = {}, + retryCount = 0, + onAvailStack = [], + _interval, + locked = false, + win = window, + doc = document, + + // constants + POLL_RETRYS = 200, + POLL_INTERVAL = 20, + EL = 0, + TYPE = 0, + FN = 1, + WFN = 2, + OBJ = 2, + ADJ_SCOPE = 3, + SCROLLLEFT = 'scrollLeft', + SCROLLTOP = 'scrollTop', + UNLOAD = 'unload', + MOUSEOVER = 'mouseover', + MOUSEOUT = 'mouseout', + // private + doAdd = function() { + var ret; + if (win.addEventListener) { + ret = function(el, eventName, fn, capture) { + if (eventName == 'mouseenter') { + fn = fn.createInterceptor(checkRelatedTarget); + el.addEventListener(MOUSEOVER, fn, (capture)); + } else if (eventName == 'mouseleave') { + fn = fn.createInterceptor(checkRelatedTarget); + el.addEventListener(MOUSEOUT, fn, (capture)); + } else { + el.addEventListener(eventName, fn, (capture)); + } + return fn; + }; + } else if (win.attachEvent) { + ret = function(el, eventName, fn, capture) { + el.attachEvent("on" + eventName, fn); + return fn; + }; + } else { + ret = function(){}; + } + return ret; + }(), + // private + doRemove = function(){ + var ret; + if (win.removeEventListener) { + ret = function (el, eventName, fn, capture) { + if (eventName == 'mouseenter') { + eventName = MOUSEOVER; + } else if (eventName == 'mouseleave') { + eventName = MOUSEOUT; + } + el.removeEventListener(eventName, fn, (capture)); + }; + } else if (win.detachEvent) { + ret = function (el, eventName, fn) { + el.detachEvent("on" + eventName, fn); + }; + } else { + ret = function(){}; + } + return ret; + }(); + + function checkRelatedTarget(e) { + return !elContains(e.currentTarget, pub.getRelatedTarget(e)); + } + + function elContains(parent, child) { + if(parent && parent.firstChild){ + while(child) { + if(child === parent) { + return true; + } + child = child.parentNode; + if(child && (child.nodeType != 1)) { + child = null; + } + } + } + return false; + } + + // private + function _tryPreloadAttach() { + var ret = false, + notAvail = [], + element, i, len, v, + tryAgain = !loadComplete || (retryCount > 0); + + if (!locked) { + locked = true; + + for (i = 0, len = onAvailStack.length; i < len; i++) { + v = onAvailStack[i]; + if(v && (element = doc.getElementById(v.id))){ + if(!v.checkReady || loadComplete || element.nextSibling || (doc && doc.body)) { + element = v.override ? (v.override === true ? v.obj : v.override) : element; + v.fn.call(element, v.obj); + onAvailStack.remove(v); + } else { + notAvail.push(v); + } + } + } + + retryCount = (notAvail.length === 0) ? 0 : retryCount - 1; + + if (tryAgain) { + startInterval(); + } else { + clearInterval(_interval); + _interval = null; + } + + ret = !(locked = false); + } + return ret; + } + + // private + function startInterval() { + if(!_interval){ + var callback = function() { + _tryPreloadAttach(); + }; + _interval = setInterval(callback, POLL_INTERVAL); + } + } + + // private + function getScroll() { + var dd = doc.documentElement, + db = doc.body; + if(dd && (dd[SCROLLTOP] || dd[SCROLLLEFT])){ + return [dd[SCROLLLEFT], dd[SCROLLTOP]]; + }else if(db){ + return [db[SCROLLLEFT], db[SCROLLTOP]]; + }else{ + return [0, 0]; + } + } + + // private + function getPageCoord (ev, xy) { + ev = ev.browserEvent || ev; + var coord = ev['page' + xy]; + if (!coord && coord !== 0) { + coord = ev['client' + xy] || 0; + + if (Ext.isIE) { + coord += getScroll()[xy == "X" ? 0 : 1]; + } + } + + return coord; + } + + var pub = { + extAdapter: true, + onAvailable : function(p_id, p_fn, p_obj, p_override) { + onAvailStack.push({ + id: p_id, + fn: p_fn, + obj: p_obj, + override: p_override, + checkReady: false }); + + retryCount = POLL_RETRYS; + startInterval(); + }, + + // This function should ALWAYS be called from Ext.EventManager + addListener: function(el, eventName, fn) { + el = Ext.getDom(el); + if (el && fn) { + if (eventName == UNLOAD) { + if (unloadListeners[el.id] === undefined) { + unloadListeners[el.id] = []; + } + unloadListeners[el.id].push([eventName, fn]); + return fn; + } + return doAdd(el, eventName, fn, false); + } + return false; + }, + + // This function should ALWAYS be called from Ext.EventManager + removeListener: function(el, eventName, fn) { + el = Ext.getDom(el); + var i, len, li, lis; + if (el && fn) { + if(eventName == UNLOAD){ + if((lis = unloadListeners[el.id]) !== undefined){ + for(i = 0, len = lis.length; i < len; i++){ + if((li = lis[i]) && li[TYPE] == eventName && li[FN] == fn){ + unloadListeners[el.id].splice(i, 1); + } + } + } + return; + } + doRemove(el, eventName, fn, false); + } + }, + + getTarget : function(ev) { + ev = ev.browserEvent || ev; + return this.resolveTextNode(ev.target || ev.srcElement); + }, + + resolveTextNode : Ext.isGecko ? function(node){ + if(!node){ + return; + } + // work around firefox bug, https://bugzilla.mozilla.org/show_bug.cgi?id=101197 + var s = HTMLElement.prototype.toString.call(node); + if(s == '[xpconnect wrapped native prototype]' || s == '[object XULElement]'){ + return; + } + return node.nodeType == 3 ? node.parentNode : node; + } : function(node){ + return node && node.nodeType == 3 ? node.parentNode : node; + }, + + getRelatedTarget : function(ev) { + ev = ev.browserEvent || ev; + return this.resolveTextNode(ev.relatedTarget || + (ev.type == MOUSEOUT ? ev.toElement : + ev.type == MOUSEOVER ? ev.fromElement : null)); + }, + + getPageX : function(ev) { + return getPageCoord(ev, "X"); + }, + + getPageY : function(ev) { + return getPageCoord(ev, "Y"); + }, + + + getXY : function(ev) { + return [this.getPageX(ev), this.getPageY(ev)]; + }, + + stopEvent : function(ev) { + this.stopPropagation(ev); + this.preventDefault(ev); + }, + + stopPropagation : function(ev) { + ev = ev.browserEvent || ev; + if (ev.stopPropagation) { + ev.stopPropagation(); + } else { + ev.cancelBubble = true; + } + }, + + preventDefault : function(ev) { + ev = ev.browserEvent || ev; + if (ev.preventDefault) { + ev.preventDefault(); + } else { + ev.returnValue = false; + } + }, + + getEvent : function(e) { + e = e || win.event; + if (!e) { + var c = this.getEvent.caller; + while (c) { + e = c.arguments[0]; + if (e && Event == e.constructor) { + break; + } + c = c.caller; + } + } + return e; + }, + + getCharCode : function(ev) { + ev = ev.browserEvent || ev; + return ev.charCode || ev.keyCode || 0; + }, + + //clearCache: function() {}, + // deprecated, call from EventManager + getListeners : function(el, eventName) { + Ext.EventManager.getListeners(el, eventName); + }, + + // deprecated, call from EventManager + purgeElement : function(el, recurse, eventName) { + Ext.EventManager.purgeElement(el, recurse, eventName); + }, + + _load : function(e) { + loadComplete = true; + var EU = Ext.lib.Event; + if (Ext.isIE && e !== true) { + // IE8 complains that _load is null or not an object + // so lets remove self via arguments.callee + doRemove(win, "load", arguments.callee); + } + }, + + _unload : function(e) { + var EU = Ext.lib.Event, + i, j, l, v, ul, id, len, index, scope; + + + for (id in unloadListeners) { + ul = unloadListeners[id]; + for (i = 0, len = ul.length; i < len; i++) { + v = ul[i]; + if (v) { + try{ + scope = v[ADJ_SCOPE] ? (v[ADJ_SCOPE] === true ? v[OBJ] : v[ADJ_SCOPE]) : win; + v[FN].call(scope, EU.getEvent(e), v[OBJ]); + }catch(ex){} + } + } + }; + + Ext.EventManager._unload(); + + doRemove(win, UNLOAD, EU._unload); + } + }; + + // Initialize stuff. + pub.on = pub.addListener; + pub.un = pub.removeListener; + if (doc && doc.body) { + pub._load(true); + } else { + doAdd(win, "load", pub._load); + } + doAdd(win, UNLOAD, pub._unload); + _tryPreloadAttach(); + + return pub; +}(); + \ No newline at end of file