Button.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:25k
源码类别:
中间件编程
开发平台:
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;
- }
- };
- }();