X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/25ef3491bd9ae007ff1fc2b0d7943e6eaaccf775..6e39d509471fe9b4e2660e0d1631b350d0c66f40:/docs/source/ext-base-event.html
diff --git a/docs/source/ext-base-event.html b/docs/source/ext-base-event.html
index c96becb0..7964741e 100644
--- a/docs/source/ext-base-event.html
+++ b/docs/source/ext-base-event.html
@@ -1,448 +1,368 @@
-
-
- The source code
-
-
-
-
- /*!
- * Ext JS Library 3.0.3
- * Copyright(c) 2006-2009 Ext JS, LLC
- * 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;
-}();
-
+
+
+
+ The source code
+
+
+
+
+ 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);
+ v = 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 = {
+ 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;
+ if (el && fn) {
+ if (eventName == UNLOAD) {
+ if (unloadListeners[id] !== undefined) {
+ for (i = 0, len = unloadListeners[id].length; i < len; i++) {
+ li = unloadListeners[id][i];
+ if (li && li[TYPE] == eventName && li[FN] == fn) {
+ unloadListeners[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){}
+ }
+ }
+ };
+
+ unloadListeners = null;
+ 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