--- /dev/null
+<html>\r
+<head>\r
+ <title>The source code</title>\r
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
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+<body onload="prettyPrint();">\r
+ <pre class="prettyprint lang-js"><div id="cls-Ext.Button"></div>/**
+ * @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 {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 {Object} scope The scope (<tt><b>this</b></tt> reference) in which the
+ * <code>{@link #handler}</code> and <code>{@link #toggleHandler}</code> is
+ * executed. Defaults to this Button.
+ */
+
+ /**
+ * @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. Defaults to this Button.
+ * @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){
+ if(this.rendered){
+ 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;
+ }
+ };
+}();</pre> \r
+</body>\r
+</html>
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