www.gusucode.com > 一个基于extjs的强大聊天插件源码程序 > 一个基于extjs的强大聊天插件/extjame/ext-jame/js/ext2/source/widgets/Toolbar.js
/*
* Ext JS Library 2.0.2
* Copyright(c) 2006-2008, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
/**
* @class Ext.Toolbar
* @extends Ext.BoxComponent
* Basic Toolbar class. Toolbar elements can be created explicitly via their constructors, or implicitly
* via their xtypes. Some items also have shortcut strings for creation.
* @constructor
* Creates a new Toolbar
* @param {Object/Array} config A config object or an array of buttons to add
*/
Ext.Toolbar = function(config){
if(Ext.isArray(config)){
config = {buttons:config};
}
Ext.Toolbar.superclass.constructor.call(this, config);
};
(function(){
var T = Ext.Toolbar;
Ext.extend(T, Ext.BoxComponent, {
trackMenus : true,
// private
initComponent : function(){
T.superclass.initComponent.call(this);
if(this.items){
this.buttons = this.items;
}
/**
* A MixedCollection of this Toolbar's items
* @property items
* @type Ext.util.MixedCollection
*/
this.items = new Ext.util.MixedCollection(false, function(o){
return o.itemId || o.id || Ext.id();
});
},
// private
autoCreate: {
cls:'x-toolbar x-small-editor',
html:'<table cellspacing="0"><tr></tr></table>'
},
// private
onRender : function(ct, position){
this.el = ct.createChild(Ext.apply({ id: this.id },this.autoCreate), position);
this.tr = this.el.child("tr", true);
},
// private
afterRender : function(){
T.superclass.afterRender.call(this);
if(this.buttons){
this.add.apply(this, this.buttons);
delete this.buttons;
}
},
/**
* Adds element(s) to the toolbar -- this function takes a variable number of
* arguments of mixed type and adds them to the toolbar.
* @param {Mixed} arg1 The following types of arguments are all valid:<br />
* <ul>
* <li>{@link Ext.Toolbar.Button} config: A valid button config object (equivalent to {@link #addButton})</li>
* <li>HtmlElement: Any standard HTML element (equivalent to {@link #addElement})</li>
* <li>Field: Any form field (equivalent to {@link #addField})</li>
* <li>Item: Any subclass of {@link Ext.Toolbar.Item} (equivalent to {@link #addItem})</li>
* <li>String: Any generic string (gets wrapped in a {@link Ext.Toolbar.TextItem}, equivalent to {@link #addText}).
* Note that there are a few special strings that are treated differently as explained next.</li>
* <li>'separator' or '-': Creates a separator element (equivalent to {@link #addSeparator})</li>
* <li>' ': Creates a spacer element (equivalent to {@link #addSpacer})</li>
* <li>'->': Creates a fill element (equivalent to {@link #addFill})</li>
* </ul>
* @param {Mixed} arg2
* @param {Mixed} etc.
*/
add : function(){
var a = arguments, l = a.length;
for(var i = 0; i < l; i++){
var el = a[i];
if(el.isFormField){ // some kind of form field
this.addField(el);
}else if(el.render){ // some kind of Toolbar.Item
this.addItem(el);
}else if(typeof el == "string"){ // string
if(el == "separator" || el == "-"){
this.addSeparator();
}else if(el == " "){
this.addSpacer();
}else if(el == "->"){
this.addFill();
}else{
this.addText(el);
}
}else if(el.tagName){ // element
this.addElement(el);
}else if(typeof el == "object"){ // must be button config?
if(el.xtype){
this.addField(Ext.ComponentMgr.create(el, 'button'));
}else{
this.addButton(el);
}
}
}
},
/**
* Adds a separator
* @return {Ext.Toolbar.Item} The separator item
*/
addSeparator : function(){
return this.addItem(new T.Separator());
},
/**
* Adds a spacer element
* @return {Ext.Toolbar.Spacer} The spacer item
*/
addSpacer : function(){
return this.addItem(new T.Spacer());
},
/**
* Adds a fill element that forces subsequent additions to the right side of the toolbar
* @return {Ext.Toolbar.Fill} The fill item
*/
addFill : function(){
return this.addItem(new T.Fill());
},
/**
* Adds any standard HTML element to the toolbar
* @param {Mixed} el The element or id of the element to add
* @return {Ext.Toolbar.Item} The element's item
*/
addElement : function(el){
return this.addItem(new T.Item(el));
},
/**
* Adds any Toolbar.Item or subclass
* @param {Ext.Toolbar.Item} item
* @return {Ext.Toolbar.Item} The item
*/
addItem : function(item){
var td = this.nextBlock();
this.initMenuTracking(item);
item.render(td);
this.items.add(item);
return item;
},
/**
* Adds a button (or buttons). See {@link Ext.Toolbar.Button} for more info on the config.
* @param {Object/Array} config A button config or array of configs
* @return {Ext.Toolbar.Button/Array}
*/
addButton : function(config){
if(Ext.isArray(config)){
var buttons = [];
for(var i = 0, len = config.length; i < len; i++) {
buttons.push(this.addButton(config[i]));
}
return buttons;
}
var b = config;
if(!(config instanceof T.Button)){
b = config.split ?
new T.SplitButton(config) :
new T.Button(config);
}
var td = this.nextBlock();
this.initMenuTracking(b);
b.render(td);
this.items.add(b);
return b;
},
// private
initMenuTracking : function(item){
if(this.trackMenus && item.menu){
item.on({
'menutriggerover' : this.onButtonTriggerOver,
'menushow' : this.onButtonMenuShow,
'menuhide' : this.onButtonMenuHide,
scope: this
})
}
},
/**
* Adds text to the toolbar
* @param {String} text The text to add
* @return {Ext.Toolbar.Item} The element's item
*/
addText : function(text){
return this.addItem(new T.TextItem(text));
},
/**
* Inserts any {@link Ext.Toolbar.Item}/{@link Ext.Toolbar.Button} at the specified index.
* @param {Number} index The index where the item is to be inserted
* @param {Object/Ext.Toolbar.Item/Ext.Toolbar.Button/Array} item The button, or button config object to be
* inserted, or an array of buttons/configs.
* @return {Ext.Toolbar.Button/Item}
*/
insertButton : function(index, item){
if(Ext.isArray(item)){
var buttons = [];
for(var i = 0, len = item.length; i < len; i++) {
buttons.push(this.insertButton(index + i, item[i]));
}
return buttons;
}
if (!(item instanceof T.Button)){
item = new T.Button(item);
}
var td = document.createElement("td");
this.tr.insertBefore(td, this.tr.childNodes[index]);
this.initMenuTracking(item);
item.render(td);
this.items.insert(index, item);
return item;
},
/**
* Adds a new element to the toolbar from the passed {@link Ext.DomHelper} config
* @param {Object} config
* @return {Ext.Toolbar.Item} The element's item
*/
addDom : function(config, returnEl){
var td = this.nextBlock();
Ext.DomHelper.overwrite(td, config);
var ti = new T.Item(td.firstChild);
ti.render(td);
this.items.add(ti);
return ti;
},
/**
* Adds a dynamically rendered Ext.form field (TextField, ComboBox, etc). Note: the field should not have
* been rendered yet. For a field that has already been rendered, use {@link #addElement}.
* @param {Ext.form.Field} field
* @return {Ext.ToolbarItem}
*/
addField : function(field){
var td = this.nextBlock();
field.render(td);
var ti = new T.Item(td.firstChild);
ti.render(td);
this.items.add(ti);
return ti;
},
// private
nextBlock : function(){
var td = document.createElement("td");
this.tr.appendChild(td);
return td;
},
// private
onDestroy : function(){
Ext.Toolbar.superclass.onDestroy.call(this);
if(this.rendered){
if(this.items){ // rendered?
Ext.destroy.apply(Ext, this.items.items);
}
Ext.Element.uncache(this.tr);
}
},
// private
onDisable : function(){
this.items.each(function(item){
if(item.disable){
item.disable();
}
});
},
// private
onEnable : function(){
this.items.each(function(item){
if(item.enable){
item.enable();
}
});
},
// private
onButtonTriggerOver : function(btn){
if(this.activeMenuBtn && this.activeMenuBtn != btn){
this.activeMenuBtn.hideMenu();
btn.showMenu();
this.activeMenuBtn = btn;
}
},
// private
onButtonMenuShow : function(btn){
this.activeMenuBtn = btn;
},
// private
onButtonMenuHide : function(btn){
delete this.activeMenuBtn;
}
/**
* @cfg {String} autoEl @hide
*/
});
Ext.reg('toolbar', Ext.Toolbar);
/**
* @class Ext.Toolbar.Item
* The base class that other classes should extend in order to get some basic common toolbar item functionality.
* @constructor
* Creates a new Item
* @param {HTMLElement} el
*/
T.Item = function(el){
this.el = Ext.getDom(el);
this.id = Ext.id(this.el);
this.hidden = false;
};
T.Item.prototype = {
/**
* Get this item's HTML Element
* @return {HTMLElement}
*/
getEl : function(){
return this.el;
},
// private
render : function(td){
this.td = td;
td.appendChild(this.el);
},
/**
* Removes and destroys this item.
*/
destroy : function(){
if(this.td && this.td.parentNode){
this.td.parentNode.removeChild(this.td);
}
},
/**
* Shows this item.
*/
show: function(){
this.hidden = false;
this.td.style.display = "";
},
/**
* Hides this item.
*/
hide: function(){
this.hidden = true;
this.td.style.display = "none";
},
/**
* Convenience function for boolean show/hide.
* @param {Boolean} visible true to show/false to hide
*/
setVisible: function(visible){
if(visible) {
this.show();
}else{
this.hide();
}
},
/**
* Try to focus this item
*/
focus : function(){
Ext.fly(this.el).focus();
},
/**
* Disables this item.
*/
disable : function(){
Ext.fly(this.td).addClass("x-item-disabled");
this.disabled = true;
this.el.disabled = true;
},
/**
* Enables this item.
*/
enable : function(){
Ext.fly(this.td).removeClass("x-item-disabled");
this.disabled = false;
this.el.disabled = false;
}
};
Ext.reg('tbitem', T.Item);
/**
* @class Ext.Toolbar.Separator
* @extends Ext.Toolbar.Item
* A simple class that adds a vertical separator bar between toolbar items. Example usage:
* <pre><code>
new Ext.Panel({
tbar : [
'Item 1',
{xtype: 'tbseparator'}, // or '-'
'Item 2'
]
});
</code></pre>
* @constructor
* Creates a new Separator
*/
T.Separator = function(){
var s = document.createElement("span");
s.className = "ytb-sep";
T.Separator.superclass.constructor.call(this, s);
};
Ext.extend(T.Separator, T.Item, {
enable:Ext.emptyFn,
disable:Ext.emptyFn,
focus:Ext.emptyFn
});
Ext.reg('tbseparator', T.Separator);
/**
* @class Ext.Toolbar.Spacer
* @extends Ext.Toolbar.Item
* A simple element that adds extra horizontal space between items in a toolbar.
* <pre><code>
new Ext.Panel({
tbar : [
'Item 1',
{xtype: 'tbspacer'}, // or ' '
'Item 2'
]
});
</code></pre>
* @constructor
* Creates a new Spacer
*/
T.Spacer = function(){
var s = document.createElement("div");
s.className = "ytb-spacer";
T.Spacer.superclass.constructor.call(this, s);
};
Ext.extend(T.Spacer, T.Item, {
enable:Ext.emptyFn,
disable:Ext.emptyFn,
focus:Ext.emptyFn
});
Ext.reg('tbspacer', T.Spacer);
/**
* @class Ext.Toolbar.Fill
* @extends Ext.Toolbar.Spacer
* A simple element that adds a greedy (100% width) horizontal space between items in a toolbar.
* <pre><code>
new Ext.Panel({
tbar : [
'Item 1',
{xtype: 'tbfill'}, // or '->'
'Item 2'
]
});
</code></pre>
* @constructor
* Creates a new Spacer
*/
T.Fill = Ext.extend(T.Spacer, {
// private
render : function(td){
td.style.width = '100%';
T.Fill.superclass.render.call(this, td);
}
});
Ext.reg('tbfill', T.Fill);
/**
* @class Ext.Toolbar.TextItem
* @extends Ext.Toolbar.Item
* A simple class that renders text directly into a toolbar.
* <pre><code>
new Ext.Panel({
tbar : [
{xtype: 'tbtext', text: 'Item 1'} // or simply 'Item 1'
]
});
</code></pre>
* @constructor
* Creates a new TextItem
* @param {String/Object} text A text string, or a config object containing a <tt>text</tt> property
*/
T.TextItem = function(t){
var s = document.createElement("span");
s.className = "ytb-text";
s.innerHTML = t.text ? t.text : t;
T.TextItem.superclass.constructor.call(this, s);
};
Ext.extend(T.TextItem, T.Item, {
enable:Ext.emptyFn,
disable:Ext.emptyFn,
focus:Ext.emptyFn
});
Ext.reg('tbtext', T.TextItem);
/**
* @class Ext.Toolbar.Button
* @extends Ext.Button
* A button that renders into a toolbar. Use the <tt>handler</tt> config to specify a callback function
* to handle the button's click event.
* <pre><code>
new Ext.Panel({
tbar : [
{text: 'OK', handler: okHandler} // tbbutton is the default xtype if not specified
]
});
</code></pre>
* @constructor
* Creates a new Button
* @param {Object} config A standard {@link Ext.Button} config object
*/
T.Button = Ext.extend(Ext.Button, {
hideParent : true,
onDestroy : function(){
T.Button.superclass.onDestroy.call(this);
if(this.container){
this.container.remove();
}
}
});
Ext.reg('tbbutton', T.Button);
/**
* @class Ext.Toolbar.SplitButton
* @extends Ext.SplitButton
* A split button that renders into a toolbar.
* <pre><code>
new Ext.Panel({
tbar : [
{
xtype: 'tbsplit',
text: 'Options',
handler: optionsHandler, // handle a click on the button itself
menu: new Ext.menu.Menu({
items: [
// These items will display in a dropdown menu when the split arrow is clicked
{text: 'Item 1', handler: item1Handler},
{text: 'Item 2', handler: item2Handler},
]
})
}
]
});
</code></pre>
* @constructor
* Creates a new SplitButton
* @param {Object} config A standard {@link Ext.SplitButton} config object
*/
T.SplitButton = Ext.extend(Ext.SplitButton, {
hideParent : true,
onDestroy : function(){
T.SplitButton.superclass.onDestroy.call(this);
if(this.container){
this.container.remove();
}
}
});
Ext.reg('tbsplit', T.SplitButton);
// backwards compat
T.MenuButton = T.SplitButton;
})();