X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/c930e9176a5a85509c5b0230e2bff5c22a591432..HEAD:/docs/source/Element-more.html diff --git a/docs/source/Element-more.html b/docs/source/Element-more.html index 8ece256c..34108069 100644 --- a/docs/source/Element-more.html +++ b/docs/source/Element-more.html @@ -1,195 +1,305 @@ - - - The source code - - - - -
/**
- * @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 um = this.getUpdater(); - um.update.apply(um, 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){ - html = html || ""; - - if(loadScripts !== true){ - this.dom.innerHTML = html; - if(Ext.isFunction(callback)){ - 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 = /(?:]*)?>)((\n|\r|.)*?)(?:<\/script>)/ig, - srcRe = /\ssrc=([\'\"])(.*?)\1/i, - typeRe = /\stype=([\'\"])(.*?)\1/i, - match, - attrs, - srcMatch, - typeMatch, - el, - s; - - while((match = re.exec(html))){ - attrs = match[1]; - srcMatch = attrs ? attrs.match(srcRe) : false; - if(srcMatch && srcMatch[2]){ - s = DOC.createElement("script"); - s.src = srcMatch[2]; - typeMatch = attrs.match(typeRe); - if(typeMatch && typeMatch[2]){ - s.type = typeMatch[2]; - } - hd.appendChild(s); - }else if(match[2] && match[2].length > 0){ - if(window.execScript) { - window.execScript(match[2]); - } else { - window.eval(match[2]); - } - } - } - el = DOC.getElementById(id); - if(el){Ext.removeNode(el);} - if(Ext.isFunction(callback)){ - callback(); - } - }); - dom.innerHTML = html.replace(/(?:)((\n|\r|.)*?)(?:<\/script>)/ig, ""); - return this; - }, - -
/** - * Creates a proxy element of this element - * @param {String/Object} config The class name of the proxy element or a DomHelper config object - * @param {String/HTMLElement} renderTo (optional) The element or element id to render the proxy to (defaults to document.body) - * @param {Boolean} matchBox (optional) True to align and size the proxy to this element now (defaults to false) - * @return {Ext.Element} The new proxy element - */ - createProxy : function(config, renderTo, matchBox){ - config = Ext.isObject(config) ? config : {tag : "div", cls: config}; - - var me = this, - proxy = renderTo ? Ext.DomHelper.append(renderTo, config, true) : - Ext.DomHelper.insertBefore(me.dom, config, true); - - if(matchBox && me.setBox && me.getBox){ // check to make sure Element.position.js is loaded - proxy.setBox(me.getBox()); - } - return proxy; - } -}); - -Ext.Element.prototype.getUpdateManager = Ext.Element.prototype.getUpdater; - -// private -Ext.Element.uncache = function(el){ - for(var i = 0, a = arguments, len = a.length; i < len; i++) { - if(a[i]){ - delete Ext.Element.cache[a[i].id || a[i]]; - } - } -};
- - \ No newline at end of file + + + + + The source code + + + + + + +
/**
+ * @class Ext.Element
+ */
+
+Ext.Element.addMethods((function(){
+    var focusRe = /button|input|textarea|select|object/;
+    return {
+        /**
+         * Monitors this Element for the mouse leaving. Calls the function after the specified delay only if
+         * the mouse was not moved back into the Element within the delay. If the mouse <i>was</i> moved
+         * back in, the function is not called.
+         * @param {Number} delay The delay <b>in milliseconds</b> to wait for possible mouse re-entry before calling the handler function.
+         * @param {Function} handler The function to call if the mouse remains outside of this Element for the specified time.
+         * @param {Object} scope The scope (<code>this</code> reference) in which the handler function executes. Defaults to this Element.
+         * @return {Object} The listeners object which was added to this element so that monitoring can be stopped. Example usage:<pre><code>
+// Hide the menu if the mouse moves out for 250ms or more
+this.mouseLeaveMonitor = this.menuEl.monitorMouseLeave(250, this.hideMenu, this);
+
+...
+// Remove mouseleave monitor on menu destroy
+this.menuEl.un(this.mouseLeaveMonitor);
+    </code></pre>
+         */
+        monitorMouseLeave: function(delay, handler, scope) {
+            var me = this,
+                timer,
+                listeners = {
+                    mouseleave: function(e) {
+                        timer = setTimeout(Ext.Function.bind(handler, scope||me, [e]), delay);
+                    },
+                    mouseenter: function() {
+                        clearTimeout(timer);
+                    },
+                    freezeEvent: true
+                };
+
+            me.on(listeners);
+            return listeners;
+        },
+
+        /**
+         * Stops the specified event(s) from bubbling and optionally prevents the default action
+         * @param {String/String[]} 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 Empty, or whitespace filled text nodes. Combines adjacent 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,
+                nx,
+                ni  = -1;
+    
+            if (Ext.Element.data(dom, 'isCleaned') && forceReclean !== true) {
+                return me;
+            }
+
+            while (n) {
+                nx = n.nextSibling;
+                if (n.nodeType == 3) {
+                    // Remove empty/whitespace text nodes
+                    if (!(/\S/.test(n.nodeValue))) {
+                        dom.removeChild(n);
+                    // Combine adjacent text nodes
+                    } else if (nx && nx.nodeType == 3) {
+                        n.appendData(Ext.String.trim(nx.data));
+                        dom.removeChild(nx);
+                        nx = n.nextSibling;
+                        n.nodeIndex = ++ni;
+                    }
+                } else {
+                    // Recursively clean
+                    Ext.fly(n).clean();
+                    n.nodeIndex = ++ni;
+                }
+                n = nx;
+            }
+
+            Ext.Element.data(dom, 'isCleaned', true);
+            return me;
+        },
+
+        /**
+         * Direct access to the Ext.ElementLoader {@link Ext.ElementLoader#load} method. The method takes the same object
+         * parameter as {@link Ext.ElementLoader#load}
+         * @return {Ext.Element} this
+         */
+        load : function(options) {
+            this.getLoader().load(options);
+            return this;
+        },
+
+        /**
+        * Gets this element's {@link Ext.ElementLoader ElementLoader}
+        * @return {Ext.ElementLoader} The loader
+        */
+        getLoader : function() {
+            var dom = this.dom,
+                data = Ext.Element.data,
+                loader = data(dom, 'loader');
+    
+            if (!loader) {
+                loader = Ext.create('Ext.ElementLoader', {
+                    target: this
+                });
+                data(dom, 'loader', loader);
+            }
+            return loader;
+        },
+
+        /**
+        * Update the innerHTML of this element, optionally searching for and processing scripts
+        * @param {String} html The new HTML
+        * @param {Boolean} [loadScripts=false] True to look for and process scripts
+        * @param {Function} [callback] For async script loading you can be notified when the update completes
+        * @return {Ext.Element} this
+         */
+        update : function(html, loadScripts, callback) {
+            var me = this,
+                id,
+                dom,
+                interval;
+
+            if (!me.dom) {
+                return me;
+            }
+            html = html || '';
+            dom = me.dom;
+
+            if (loadScripts !== true) {
+                dom.innerHTML = html;
+                Ext.callback(callback, me);
+                return me;
+            }
+
+            id  = Ext.id();
+            html += '<span id="' + id + '"></span>';
+
+            interval = setInterval(function(){
+                if (!document.getElementById(id)) {
+                    return false;
+                }
+                clearInterval(interval);
+                var DOC    = document,
+                    hd     = DOC.getElementsByTagName("head")[0],
+                    re     = /(?:<script([^>]*)?>)((\n|\r|.)*?)(?:<\/script>)/ig,
+                    srcRe  = /\ssrc=([\'\"])(.*?)\1/i,
+                    typeRe = /\stype=([\'\"])(.*?)\1/i,
+                    match,
+                    attrs,
+                    srcMatch,
+                    typeMatch,
+                    el,
+                    s;
+
+                while ((match = re.exec(html))) {
+                    attrs = match[1];
+                    srcMatch = attrs ? attrs.match(srcRe) : false;
+                    if (srcMatch && srcMatch[2]) {
+                       s = DOC.createElement("script");
+                       s.src = srcMatch[2];
+                       typeMatch = attrs.match(typeRe);
+                       if (typeMatch && typeMatch[2]) {
+                           s.type = typeMatch[2];
+                       }
+                       hd.appendChild(s);
+                    } else if (match[2] && match[2].length > 0) {
+                        if (window.execScript) {
+                           window.execScript(match[2]);
+                        } else {
+                           window.eval(match[2]);
+                        }
+                    }
+                }
+
+                el = DOC.getElementById(id);
+                if (el) {
+                    Ext.removeNode(el);
+                }
+                Ext.callback(callback, me);
+            }, 20);
+            dom.innerHTML = html.replace(/(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)/ig, '');
+            return me;
+        },
+
+        // inherit docs, overridden so we can add removeAnchor
+        removeAllListeners : function() {
+            this.removeAnchor();
+            Ext.EventManager.removeAll(this.dom);
+            return this;
+        },
+    
+        /**
+         * Gets the parent node of the current element taking into account Ext.scopeResetCSS
+         * @protected
+         * @return {HTMLElement} The parent element
+         */
+        getScopeParent: function(){
+            var parent = this.dom.parentNode;
+            return Ext.scopeResetCSS ? parent.parentNode : parent;
+        },
+
+        /**
+         * Creates a proxy element of this element
+         * @param {String/Object} config The class name of the proxy element or a DomHelper config object
+         * @param {String/HTMLElement} [renderTo] The element or element id to render the proxy to (defaults to document.body)
+         * @param {Boolean} [matchBox=false] True to align and size the proxy to this element now.
+         * @return {Ext.Element} The new proxy element
+         */
+        createProxy : function(config, renderTo, matchBox) {
+            config = (typeof config == 'object') ? config : {tag : "div", cls: config};
+
+            var me = this,
+                proxy = renderTo ? Ext.DomHelper.append(renderTo, config, true) :
+                                   Ext.DomHelper.insertBefore(me.dom, config, true);
+
+            proxy.setVisibilityMode(Ext.Element.DISPLAY);
+            proxy.hide();
+            if (matchBox && me.setBox && me.getBox) { // check to make sure Element.position.js is loaded
+               proxy.setBox(me.getBox());
+            }
+            return proxy;
+        },
+    
+        /**
+         * Checks whether this element can be focused.
+         * @return {Boolean} True if the element is focusable
+         */
+        focusable: function(){
+            var dom = this.dom,
+                nodeName = dom.nodeName.toLowerCase(),
+                canFocus = false,
+                hasTabIndex = !isNaN(dom.tabIndex);
+            
+            if (!dom.disabled) {
+                if (focusRe.test(nodeName)) {
+                    canFocus = true;
+                } else {
+                    canFocus = nodeName == 'a' ? dom.href || hasTabIndex : hasTabIndex;
+                }
+            }
+            return canFocus && this.isVisible(true);
+        }    
+    };
+})());
+Ext.Element.prototype.clearListeners = Ext.Element.prototype.removeAllListeners;
+
+ +