pkg-buttons-debug.js
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上传日期:2018-01-28
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中间件编程
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JavaScript
- /*! * Ext JS Library 3.0.0 * Copyright(c) 2006-2009 Ext JS, LLC * licensing@extjs.com * http://www.extjs.com/license */ /** * @class Ext.Button * @extends Ext.BoxComponent * Simple Button class * @cfg {String} text The button text to be used as innerHTML (html tags are accepted) * @cfg {String} icon The path to an image to display in the button (the image will be set as the background-image * CSS property of the button by default, so if you want a mixed icon/text button, set cls:'x-btn-text-icon') * @cfg {Function} handler A function called when the button is clicked (can be used instead of click event). * The handler is passed the following parameters:<div class="mdetail-params"><ul> * <li><code>b</code> : Button<div class="sub-desc">This Button.</div></li> * <li><code>e</code> : EventObject<div class="sub-desc">The click event.</div></li> * </ul></div> * @cfg {Object} scope The scope (<tt><b>this</b></tt> reference) in which the handler is executed. Defaults to this Button. * @cfg {Number} minWidth The minimum width for this button (used to give a set of buttons a common width). * See also {@link Ext.Panel}.<tt>{@link Ext.Panel#minButtonWidth minButtonWidth}</tt>. * @cfg {String/Object} tooltip The tooltip for the button - can be a string to be used as innerHTML (html tags are accepted) or QuickTips config object * @cfg {Boolean} hidden True to start hidden (defaults to false) * @cfg {Boolean} disabled True to start disabled (defaults to false) * @cfg {Boolean} pressed True to start pressed (only if enableToggle = true) * @cfg {String} toggleGroup The group this toggle button is a member of (only 1 per group can be pressed) * @cfg {Boolean/Object} repeat True to repeat fire the click event while the mouse is down. This can also be * a {@link Ext.util.ClickRepeater ClickRepeater} config object (defaults to false). * @constructor * Create a new button * @param {Object} config The config object * @xtype button */ Ext.Button = Ext.extend(Ext.BoxComponent, { /** * Read-only. True if this button is hidden * @type Boolean */ hidden : false, /** * Read-only. True if this button is disabled * @type Boolean */ disabled : false, /** * Read-only. True if this button is pressed (only if enableToggle = true) * @type Boolean */ pressed : false, /** * The Button's owner {@link Ext.Panel} (defaults to undefined, and is set automatically when * the Button is added to a container). Read-only. * @type Ext.Panel * @property ownerCt */ /** * @cfg {Number} tabIndex Set a DOM tabIndex for this button (defaults to undefined) */ /** * @cfg {Boolean} allowDepress * False to not allow a pressed Button to be depressed (defaults to undefined). Only valid when {@link #enableToggle} is true. */ /** * @cfg {Boolean} enableToggle * True to enable pressed/not pressed toggling (defaults to false) */ enableToggle: false, /** * @cfg {Function} toggleHandler * Function called when a Button with {@link #enableToggle} set to true is clicked. Two arguments are passed:<ul class="mdetail-params"> * <li><b>button</b> : Ext.Button<div class="sub-desc">this Button object</div></li> * <li><b>state</b> : Boolean<div class="sub-desc">The next state if the Button, true means pressed.</div></li> * </ul> */ /** * @cfg {Mixed} menu * Standard menu attribute consisting of a reference to a menu object, a menu id or a menu config blob (defaults to undefined). */ /** * @cfg {String} menuAlign * The position to align the menu to (see {@link Ext.Element#alignTo} for more details, defaults to 'tl-bl?'). */ menuAlign : 'tl-bl?', /** * @cfg {String} overflowText If used in a {@link Ext.Toolbar Toolbar}, the * text to be used if this item is shown in the overflow menu. See also * {@link Ext.Toolbar.Item}.<code>{@link Ext.Toolbar.Item#overflowText overflowText}</code>. */ /** * @cfg {String} iconCls * A css class which sets a background image to be used as the icon for this button */ /** * @cfg {String} type * submit, reset or button - defaults to 'button' */ type : 'button', // private menuClassTarget: 'tr:nth(2)', /** * @cfg {String} clickEvent * The type of event to map to the button's event handler (defaults to 'click') */ clickEvent : 'click', /** * @cfg {Boolean} handleMouseEvents * False to disable visual cues on mouseover, mouseout and mousedown (defaults to true) */ handleMouseEvents : true, /** * @cfg {String} tooltipType * The type of tooltip to use. Either 'qtip' (default) for QuickTips or 'title' for title attribute. */ tooltipType : 'qtip', /** * @cfg {String} buttonSelector * <p>(Optional) A {@link Ext.DomQuery DomQuery} selector which is used to extract the active, clickable element from the * DOM structure created.</p> * <p>When a custom {@link #template} is used, you must ensure that this selector results in the selection of * a focussable element.</p> * <p>Defaults to <b><tt>"button:first-child"</tt></b>.</p> */ buttonSelector : 'button:first-child', /** * @cfg {String} scale * <p>(Optional) The size of the Button. Three values are allowed:</p> * <ul class="mdetail-params"> * <li>'small'<div class="sub-desc">Results in the button element being 16px high.</div></li> * <li>'medium'<div class="sub-desc">Results in the button element being 24px high.</div></li> * <li>'large'<div class="sub-desc">Results in the button element being 32px high.</div></li> * </ul> * <p>Defaults to <b><tt>'small'</tt></b>.</p> */ scale: 'small', /** * @cfg {String} iconAlign * <p>(Optional) The side of the Button box to render the icon. Four values are allowed:</p> * <ul class="mdetail-params"> * <li>'top'<div class="sub-desc"></div></li> * <li>'right'<div class="sub-desc"></div></li> * <li>'bottom'<div class="sub-desc"></div></li> * <li>'left'<div class="sub-desc"></div></li> * </ul> * <p>Defaults to <b><tt>'left'</tt></b>.</p> */ iconAlign : 'left', /** * @cfg {String} arrowAlign * <p>(Optional) The side of the Button box to render the arrow if the button has an associated {@link #menu}. * Two values are allowed:</p> * <ul class="mdetail-params"> * <li>'right'<div class="sub-desc"></div></li> * <li>'bottom'<div class="sub-desc"></div></li> * </ul> * <p>Defaults to <b><tt>'right'</tt></b>.</p> */ arrowAlign : 'right', /** * @cfg {Ext.Template} template (Optional) * <p>A {@link Ext.Template Template} used to create the Button's DOM structure.</p> * Instances, or subclasses which need a different DOM structure may provide a different * template layout in conjunction with an implementation of {@link #getTemplateArgs}. * @type Ext.Template * @property template */ /** * @cfg {String} cls * A CSS class string to apply to the button's main element. */ /** * @property menu * @type Menu * The {@link Ext.menu.Menu Menu} object associated with this Button when configured with the {@link #menu} config option. */ initComponent : function(){ Ext.Button.superclass.initComponent.call(this); this.addEvents( /** * @event click * Fires when this button is clicked * @param {Button} this * @param {EventObject} e The click event */ 'click', /** * @event toggle * Fires when the 'pressed' state of this button changes (only if enableToggle = true) * @param {Button} this * @param {Boolean} pressed */ 'toggle', /** * @event mouseover * Fires when the mouse hovers over the button * @param {Button} this * @param {Event} e The event object */ 'mouseover', /** * @event mouseout * Fires when the mouse exits the button * @param {Button} this * @param {Event} e The event object */ 'mouseout', /** * @event menushow * If this button has a menu, this event fires when it is shown * @param {Button} this * @param {Menu} menu */ 'menushow', /** * @event menuhide * If this button has a menu, this event fires when it is hidden * @param {Button} this * @param {Menu} menu */ 'menuhide', /** * @event menutriggerover * If this button has a menu, this event fires when the mouse enters the menu triggering element * @param {Button} this * @param {Menu} menu * @param {EventObject} e */ 'menutriggerover', /** * @event menutriggerout * If this button has a menu, this event fires when the mouse leaves the menu triggering element * @param {Button} this * @param {Menu} menu * @param {EventObject} e */ 'menutriggerout' ); if(this.menu){ this.menu = Ext.menu.MenuMgr.get(this.menu); } if(Ext.isString(this.toggleGroup)){ this.enableToggle = true; } }, /** * <p>This method returns an object which provides substitution parameters for the {@link #template Template} used * to create this Button's DOM structure.</p> * <p>Instances or subclasses which use a different Template to create a different DOM structure may need to provide their * own implementation of this method.</p> * <p>The default implementation which provides data for the default {@link #template} returns an Array containing the * following items:</p><div class="mdetail-params"><ul> * <li>The Button's {@link #text}</li> * <li>The <button>'s {@link #type}</li> * <li>The {@link iconCls} applied to the <button> {@link #btnEl element}</li> * <li>The {@link #cls} applied to the Button's main {@link #getEl Element}</li> * <li>A CSS class name controlling the Button's {@link #scale} and {@link #iconAlign icon alignment}</li> * <li>A CSS class name which applies an arrow to the Button if configured with a {@link #menu}</li> * </ul></div> * @return {Object} Substitution data for a Template. */ getTemplateArgs : function(){ var cls = (this.cls || ''); cls += (this.iconCls || this.icon) ? (this.text ? ' x-btn-text-icon' : ' x-btn-icon') : ' x-btn-noicon'; if(this.pressed){ cls += ' x-btn-pressed'; } return [this.text || ' ', this.type, this.iconCls || '', cls, 'x-btn-' + this.scale + ' x-btn-icon-' + this.scale + '-' + this.iconAlign, this.getMenuClass()]; }, // protected getMenuClass : function(){ return this.menu ? (this.arrowAlign != 'bottom' ? 'x-btn-arrow' : 'x-btn-arrow-bottom') : ''; }, // private onRender : function(ct, position){ if(!this.template){ if(!Ext.Button.buttonTemplate){ // hideous table template Ext.Button.buttonTemplate = new Ext.Template( '<table cellspacing="0" class="x-btn {3}"><tbody class="{4}">', '<tr><td class="x-btn-tl"><i> </i></td><td class="x-btn-tc"></td><td class="x-btn-tr"><i> </i></td></tr>', '<tr><td class="x-btn-ml"><i> </i></td><td class="x-btn-mc"><em class="{5}" unselectable="on"><button class="x-btn-text {2}" type="{1}">{0}</button></em></td><td class="x-btn-mr"><i> </i></td></tr>', '<tr><td class="x-btn-bl"><i> </i></td><td class="x-btn-bc"></td><td class="x-btn-br"><i> </i></td></tr>', "</tbody></table>"); Ext.Button.buttonTemplate.compile(); } this.template = Ext.Button.buttonTemplate; } var btn, targs = this.getTemplateArgs(); if(position){ btn = this.template.insertBefore(position, targs, true); }else{ btn = this.template.append(ct, targs, true); } /** * An {@link Ext.Element Element} encapsulating the Button's clickable element. By default, * this references a <tt><button></tt> element. Read only. * @type Ext.Element * @property btnEl */ this.btnEl = btn.child(this.buttonSelector); this.mon(this.btnEl, { scope: this, focus: this.onFocus, blur: this.onBlur }); this.initButtonEl(btn, this.btnEl); Ext.ButtonToggleMgr.register(this); }, // private initButtonEl : function(btn, btnEl){ this.el = btn; if(this.id){ this.el.dom.id = this.el.id = this.id; } if(this.icon){ btnEl.setStyle('background-image', 'url(' +this.icon +')'); } if(this.tabIndex !== undefined){ btnEl.dom.tabIndex = this.tabIndex; } if(this.tooltip){ this.setTooltip(this.tooltip, true); } if(this.handleMouseEvents){ this.mon(btn, { scope: this, mouseover: this.onMouseOver, mousedown: this.onMouseDown }); // new functionality for monitoring on the document level //this.mon(btn, 'mouseout', this.onMouseOut, this); } if(this.menu){ this.mon(this.menu, { scope: this, show: this.onMenuShow, hide: this.onMenuHide }); } if(this.repeat){ var repeater = new Ext.util.ClickRepeater(btn, Ext.isObject(this.repeat) ? this.repeat : {}); this.mon(repeater, 'click', this.onClick, this); } this.mon(btn, this.clickEvent, this.onClick, this); }, // private afterRender : function(){ Ext.Button.superclass.afterRender.call(this); this.doAutoWidth(); }, /** * Sets the CSS class that provides a background image to use as the button's icon. This method also changes * the value of the {@link iconCls} config internally. * @param {String} cls The CSS class providing the icon image * @return {Ext.Button} this */ setIconClass : function(cls){ if(this.el){ this.btnEl.replaceClass(this.iconCls, cls); } this.iconCls = cls; return this; }, /** * Sets the tooltip for this Button. * @param {String/Object} tooltip. This may be:<div class="mdesc-details"><ul> * <li><b>String</b> : A string to be used as innerHTML (html tags are accepted) to show in a tooltip</li> * <li><b>Object</b> : A configuration object for {@link Ext.QuickTips#register}.</li> * </ul></div> * @return {Ext.Button} this */ setTooltip : function(tooltip, /* private */ initial){ if(this.rendered){ if(!initial){ this.clearTip(); } if(Ext.isObject(tooltip)){ Ext.QuickTips.register(Ext.apply({ target: this.btnEl.id }, tooltip)); this.tooltip = tooltip; }else{ this.btnEl.dom[this.tooltipType] = tooltip; } }else{ this.tooltip = tooltip; } return this; }, // private clearTip: function(){ if(Ext.isObject(this.tooltip)){ Ext.QuickTips.unregister(this.btnEl); } }, // private beforeDestroy: function(){ if(this.rendered){ this.clearTip(); } Ext.destroy(this.menu, this.repeater); }, // private onDestroy : function(){ var doc = Ext.getDoc(); doc.un('mouseover', this.monitorMouseOver, this); doc.un('mouseup', this.onMouseUp, this); if(this.rendered){ Ext.ButtonToggleMgr.unregister(this); } }, // private doAutoWidth : function(){ if(this.el && this.text && this.width === undefined){ this.el.setWidth('auto'); if(Ext.isIE7 && Ext.isStrict){ var ib = this.btnEl; if(ib && ib.getWidth() > 20){ ib.clip(); ib.setWidth(Ext.util.TextMetrics.measure(ib, this.text).width+ib.getFrameWidth('lr')); } } if(this.minWidth){ if(this.el.getWidth() < this.minWidth){ this.el.setWidth(this.minWidth); } } } }, /** * Assigns this Button's click handler * @param {Function} handler The function to call when the button is clicked * @param {Object} scope (optional) Scope for the function passed in * @return {Ext.Button} this */ setHandler : function(handler, scope){ this.handler = handler; this.scope = scope; return this; }, /** * Sets this Button's text * @param {String} text The button text * @return {Ext.Button} this */ setText : function(text){ this.text = text; if(this.el){ this.el.child('td.x-btn-mc ' + this.buttonSelector).update(text); } this.doAutoWidth(); return this; }, /** * Gets the text for this Button * @return {String} The button text */ getText : function(){ return this.text; }, /** * If a state it passed, it becomes the pressed state otherwise the current state is toggled. * @param {Boolean} state (optional) Force a particular state * @param {Boolean} supressEvent (optional) True to stop events being fired when calling this method. * @return {Ext.Button} this */ toggle : function(state, suppressEvent){ state = state === undefined ? !this.pressed : !!state; if(state != this.pressed){ this.el[state ? 'addClass' : 'removeClass']('x-btn-pressed'); this.pressed = state; if(!suppressEvent){ this.fireEvent('toggle', this, state); if(this.toggleHandler){ this.toggleHandler.call(this.scope || this, this, state); } } } return this; }, /** * Focus the button */ focus : function(){ this.btnEl.focus(); }, // private onDisable : function(){ this.onDisableChange(true); }, // private onEnable : function(){ this.onDisableChange(false); }, onDisableChange : function(disabled){ if(this.el){ if(!Ext.isIE6 || !this.text){ this.el[disabled ? 'addClass' : 'removeClass'](this.disabledClass); } this.el.dom.disabled = disabled; } this.disabled = disabled; }, /** * Show this button's menu (if it has one) */ showMenu : function(){ if(this.rendered && this.menu){ if(this.tooltip){ Ext.QuickTips.getQuickTip().cancelShow(this.btnEl); } this.menu.show(this.el, this.menuAlign); } return this; }, /** * Hide this button's menu (if it has one) */ hideMenu : function(){ if(this.menu){ this.menu.hide(); } return this; }, /** * Returns true if the button has a menu and it is visible * @return {Boolean} */ hasVisibleMenu : function(){ return this.menu && this.menu.isVisible(); }, // private onClick : function(e){ if(e){ e.preventDefault(); } if(e.button !== 0){ return; } if(!this.disabled){ if(this.enableToggle && (this.allowDepress !== false || !this.pressed)){ this.toggle(); } if(this.menu && !this.menu.isVisible() && !this.ignoreNextClick){ this.showMenu(); } this.fireEvent('click', this, e); if(this.handler){ //this.el.removeClass('x-btn-over'); this.handler.call(this.scope || this, this, e); } } }, // private isMenuTriggerOver : function(e, internal){ return this.menu && !internal; }, // private isMenuTriggerOut : function(e, internal){ return this.menu && !internal; }, // private onMouseOver : function(e){ if(!this.disabled){ var internal = e.within(this.el, true); if(!internal){ this.el.addClass('x-btn-over'); if(!this.monitoringMouseOver){ Ext.getDoc().on('mouseover', this.monitorMouseOver, this); this.monitoringMouseOver = true; } this.fireEvent('mouseover', this, e); } if(this.isMenuTriggerOver(e, internal)){ this.fireEvent('menutriggerover', this, this.menu, e); } } }, // private monitorMouseOver : function(e){ if(e.target != this.el.dom && !e.within(this.el)){ if(this.monitoringMouseOver){ Ext.getDoc().un('mouseover', this.monitorMouseOver, this); this.monitoringMouseOver = false; } this.onMouseOut(e); } }, // private onMouseOut : function(e){ var internal = e.within(this.el) && e.target != this.el.dom; this.el.removeClass('x-btn-over'); this.fireEvent('mouseout', this, e); if(this.isMenuTriggerOut(e, internal)){ this.fireEvent('menutriggerout', this, this.menu, e); } }, // private onFocus : function(e){ if(!this.disabled){ this.el.addClass('x-btn-focus'); } }, // private onBlur : function(e){ this.el.removeClass('x-btn-focus'); }, // private getClickEl : function(e, isUp){ return this.el; }, // private onMouseDown : function(e){ if(!this.disabled && e.button === 0){ this.getClickEl(e).addClass('x-btn-click'); Ext.getDoc().on('mouseup', this.onMouseUp, this); } }, // private onMouseUp : function(e){ if(e.button === 0){ this.getClickEl(e, true).removeClass('x-btn-click'); Ext.getDoc().un('mouseup', this.onMouseUp, this); } }, // private onMenuShow : function(e){ this.ignoreNextClick = 0; this.el.addClass('x-btn-menu-active'); this.fireEvent('menushow', this, this.menu); }, // private onMenuHide : function(e){ this.el.removeClass('x-btn-menu-active'); this.ignoreNextClick = this.restoreClick.defer(250, this); this.fireEvent('menuhide', this, this.menu); }, // private restoreClick : function(){ this.ignoreNextClick = 0; } /** * @cfg {String} autoEl @hide */ }); Ext.reg('button', Ext.Button); // Private utility class used by Button Ext.ButtonToggleMgr = function(){ var groups = {}; function toggleGroup(btn, state){ if(state){ var g = groups[btn.toggleGroup]; for(var i = 0, l = g.length; i < l; i++){ if(g[i] != btn){ g[i].toggle(false); } } } } return { register : function(btn){ if(!btn.toggleGroup){ return; } var g = groups[btn.toggleGroup]; if(!g){ g = groups[btn.toggleGroup] = []; } g.push(btn); btn.on('toggle', toggleGroup); }, unregister : function(btn){ if(!btn.toggleGroup){ return; } var g = groups[btn.toggleGroup]; if(g){ g.remove(btn); btn.un('toggle', toggleGroup); } }, /** * Gets the pressed button in the passed group or null * @param {String} group * @return Button */ getPressed : function(group){ var g = groups[group]; if(g){ for(var i = 0, len = g.length; i < len; i++){ if(g[i].pressed === true){ return g[i]; } } } return null; } }; }();/**
- * @class Ext.SplitButton
- * @extends Ext.Button
- * A split button that provides a built-in dropdown arrow that can fire an event separately from the default
- * click event of the button. Typically this would be used to display a dropdown menu that provides additional
- * options to the primary button action, but any custom handler can provide the arrowclick implementation. Example usage:
- * <pre><code>
- // display a dropdown menu:
- new Ext.SplitButton({
- renderTo: 'button-ct', // the container id
- text: 'Options',
- handler: optionsHandler, // handle a click on the button itself
- menu: new Ext.menu.Menu({
- items: [
- // these items will render as dropdown menu items when the arrow is clicked:
- {text: 'Item 1', handler: item1Handler},
- {text: 'Item 2', handler: item2Handler}
- ]
- })
- });
- // Instead of showing a menu, you provide any type of custom
- // functionality you want when the dropdown arrow is clicked:
- new Ext.SplitButton({
- renderTo: 'button-ct',
- text: 'Options',
- handler: optionsHandler,
- arrowHandler: myCustomHandler
- });
- </code></pre>
- * @cfg {Function} arrowHandler A function called when the arrow button is clicked (can be used instead of click event)
- * @cfg {String} arrowTooltip The title attribute of the arrow
- * @constructor
- * Create a new menu button
- * @param {Object} config The config object
- * @xtype splitbutton
- */
- Ext.SplitButton = Ext.extend(Ext.Button, {
- // private
- arrowSelector : 'em',
- split: true,
- // private
- initComponent : function(){
- Ext.SplitButton.superclass.initComponent.call(this);
- /**
- * @event arrowclick
- * Fires when this button's arrow is clicked
- * @param {MenuButton} this
- * @param {EventObject} e The click event
- */
- this.addEvents("arrowclick");
- },
- // private
- onRender : function(){
- Ext.SplitButton.superclass.onRender.apply(this, arguments);
- if(this.arrowTooltip){
- this.el.child(this.arrowSelector).dom[this.tooltipType] = this.arrowTooltip;
- }
- },
- /**
- * Sets this button's arrow click handler.
- * @param {Function} handler The function to call when the arrow is clicked
- * @param {Object} scope (optional) Scope for the function passed above
- */
- setArrowHandler : function(handler, scope){
- this.arrowHandler = handler;
- this.scope = scope;
- },
- getMenuClass : function(){
- return 'x-btn-split' + (this.arrowAlign == 'bottom' ? '-bottom' : '');
- },
- isClickOnArrow : function(e){
- return this.arrowAlign != 'bottom' ?
- e.getPageX() > this.el.child(this.buttonSelector).getRegion().right :
- e.getPageY() > this.el.child(this.buttonSelector).getRegion().bottom;
- },
- // private
- onClick : function(e, t){
- e.preventDefault();
- if(!this.disabled){
- if(this.isClickOnArrow(e)){
- if(this.menu && !this.menu.isVisible() && !this.ignoreNextClick){
- this.showMenu();
- }
- this.fireEvent("arrowclick", this, e);
- if(this.arrowHandler){
- this.arrowHandler.call(this.scope || this, this, e);
- }
- }else{
- if(this.enableToggle){
- this.toggle();
- }
- this.fireEvent("click", this, e);
- if(this.handler){
- this.handler.call(this.scope || this, this, e);
- }
- }
- }
- },
- // private
- isMenuTriggerOver : function(e){
- return this.menu && e.target.tagName == 'em';
- },
- // private
- isMenuTriggerOut : function(e, internal){
- return this.menu && e.target.tagName != 'em';
- }
- });
- Ext.reg('splitbutton', Ext.SplitButton);/**
- * @class Ext.CycleButton
- * @extends Ext.SplitButton
- * A specialized SplitButton that contains a menu of {@link Ext.menu.CheckItem} elements. The button automatically
- * cycles through each menu item on click, raising the button's {@link #change} event (or calling the button's
- * {@link #changeHandler} function, if supplied) for the active menu item. Clicking on the arrow section of the
- * button displays the dropdown menu just like a normal SplitButton. Example usage:
- * <pre><code>
- var btn = new Ext.CycleButton({
- showText: true,
- prependText: 'View as ',
- items: [{
- text:'text only',
- iconCls:'view-text',
- checked:true
- },{
- text:'HTML',
- iconCls:'view-html'
- }],
- changeHandler:function(btn, item){
- Ext.Msg.alert('Change View', item.text);
- }
- });
- </code></pre>
- * @constructor
- * Create a new split button
- * @param {Object} config The config object
- * @xtype cycle
- */
- Ext.CycleButton = Ext.extend(Ext.SplitButton, {
- /**
- * @cfg {Array} items An array of {@link Ext.menu.CheckItem} <b>config</b> objects to be used when creating the
- * button's menu items (e.g., {text:'Foo', iconCls:'foo-icon'})
- */
- /**
- * @cfg {Boolean} showText True to display the active item's text as the button text (defaults to false)
- */
- /**
- * @cfg {String} prependText A static string to prepend before the active item's text when displayed as the
- * button's text (only applies when showText = true, defaults to '')
- */
- /**
- * @cfg {Function} changeHandler A callback function that will be invoked each time the active menu
- * item in the button's menu has changed. If this callback is not supplied, the SplitButton will instead
- * fire the {@link #change} event on active item change. The changeHandler function will be called with the
- * following argument list: (SplitButton this, Ext.menu.CheckItem item)
- */
- /**
- * @cfg {String} forceIcon A css class which sets an image to be used as the static icon for this button. This
- * icon will always be displayed regardless of which item is selected in the dropdown list. This overrides the
- * default behavior of changing the button's icon to match the selected item's icon on change.
- */
- /**
- * @property menu
- * @type Menu
- * The {@link Ext.menu.Menu Menu} object used to display the {@link Ext.menu.CheckItem CheckItems} representing the available choices.
- */
- // private
- getItemText : function(item){
- if(item && this.showText === true){
- var text = '';
- if(this.prependText){
- text += this.prependText;
- }
- text += item.text;
- return text;
- }
- return undefined;
- },
- /**
- * Sets the button's active menu item.
- * @param {Ext.menu.CheckItem} item The item to activate
- * @param {Boolean} suppressEvent True to prevent the button's change event from firing (defaults to false)
- */
- setActiveItem : function(item, suppressEvent){
- if(typeof item != 'object'){
- item = this.menu.items.get(item);
- }
- if(item){
- if(!this.rendered){
- this.text = this.getItemText(item);
- this.iconCls = item.iconCls;
- }else{
- var t = this.getItemText(item);
- if(t){
- this.setText(t);
- }
- this.setIconClass(item.iconCls);
- }
- this.activeItem = item;
- if(!item.checked){
- item.setChecked(true, true);
- }
- if(this.forceIcon){
- this.setIconClass(this.forceIcon);
- }
- if(!suppressEvent){
- this.fireEvent('change', this, item);
- }
- }
- },
- /**
- * Gets the currently active menu item.
- * @return {Ext.menu.CheckItem} The active item
- */
- getActiveItem : function(){
- return this.activeItem;
- },
- // private
- initComponent : function(){
- this.addEvents(
- /**
- * @event change
- * Fires after the button's active menu item has changed. Note that if a {@link #changeHandler} function
- * is set on this CycleButton, it will be called instead on active item change and this change event will
- * not be fired.
- * @param {Ext.CycleButton} this
- * @param {Ext.menu.CheckItem} item The menu item that was selected
- */
- "change"
- );
- if(this.changeHandler){
- this.on('change', this.changeHandler, this.scope||this);
- delete this.changeHandler;
- }
- this.itemCount = this.items.length;
- this.menu = {cls:'x-cycle-menu', items:[]};
- var checked;
- for(var i = 0, len = this.itemCount; i < len; i++){
- var item = this.items[i];
- item.group = item.group || this.id;
- item.itemIndex = i;
- item.checkHandler = this.checkHandler;
- item.scope = this;
- item.checked = item.checked || false;
- this.menu.items.push(item);
- if(item.checked){
- checked = item;
- }
- }
- this.setActiveItem(checked, true);
- Ext.CycleButton.superclass.initComponent.call(this);
- this.on('click', this.toggleSelected, this);
- },
- // private
- checkHandler : function(item, pressed){
- if(pressed){
- this.setActiveItem(item);
- }
- },
- /**
- * This is normally called internally on button click, but can be called externally to advance the button's
- * active item programmatically to the next one in the menu. If the current item is the last one in the menu
- * the active item will be set to the first item in the menu.
- */
- toggleSelected : function(){
- this.menu.render();
- var nextIdx, checkItem;
- for (var i = 1; i < this.itemCount; i++) {
- nextIdx = (this.activeItem.itemIndex + i) % this.itemCount;
- // check the potential item
- checkItem = this.menu.items.itemAt(nextIdx);
- // if its not disabled then check it.
- if (!checkItem.disabled) {
- checkItem.setChecked(true);
- break;
- }
- }
- }
- });
- Ext.reg('cycle', Ext.CycleButton);