panel.js

一个struts和extjs得源码

/*
 * Ext JS Library 2.2.1
 * Copyright(c) 2006-2009, Ext JS, LLC.
 * [e-mail]
 * 
 * http://extjs.com/license
 */

/**
 * @class Ext.Panel
 * @extends Ext.Container
 * Panel is a container that has specific functionality and structural components that make it the perfect building
 * block for application-oriented user interfaces. The Panel contains bottom and top toolbars, along with separate
 * header, footer and body sections.  It also provides built-in expandable and collapsible behavior, along with a
 * variety of prebuilt tool buttons that can be wired up to provide other customized behavior.  Panels can be easily
 * dropped into any Container or layout, and the layout and rendering pipeline is completely managed by the framework.
 * @constructor
 * @param {Object} config The config object
 */
Ext.Panel = Ext.extend(Ext.Container, {
    /**
     * The Panel's header {@link Ext.Element Element}. Read-only.
     * <p>This Element is used to house the {@link #title} and {@link #tools}</p>
     * @type Ext.Element
     * @property header
     */
    /**
     * The Panel's body {@link Ext.Element Element} which may be used to contain HTML content.
     * The content may be specified in the {@link #html} config, or it may be loaded using the
     * {@link autoLoad} config, or through the Panel's {@link #getUpdater Updater}. Read-only.
     * <p>If this is used to load visible HTML elements in either way, then
     * the Panel may not be used as a Layout for hosting nested Panels.</p>
     * <p>If this Panel is intended to be used as the host of a Layout (See {@link #layout}
     * then the body Element must not be loaded or changed - it is under the control
     * of the Panel's Layout.
     * @type Ext.Element
     * @property body
     */
    /**
     * @cfg {Object} bodyCfg
     * <p>A {@link Ext.DomHelper DomHelper} configuration object specifying the element structure
     * of this Panel's {@link #body} Element.</p>
     * <p>This may be used to force the body Element to use a different form of markup than
     * is created automatically. An example of this might be to create a child Panel containing
     * custom content, such as a header, or forcing centering of all Panel
     * content by having the body be a &lt;center&gt; element:</p><code><pre>
new Ext.Panel({
    title: 'New Message',
    collapsible: true,
    renderTo: Ext.getBody(),
    width: 400,
    bodyCfg: {
        tag: 'center',
        cls: 'x-panel-body'
    },
    items: [{
        border: false,
        header: false,
        bodyCfg: {tag: 'h2', html: 'Message'}
    }, {
        xtype: 'textarea',
        style: {
            width: '95%',
            marginBottom: '10px'
        }
    },
        new Ext.Button({
            text: 'Send',
            minWidth: '100',
            style: {
                marginBottom: '10px'
            }
        })
    ]
});</pre></code>
     */
    /**
     * The Panel's footer {@link Ext.Element Element}. Read-only.
     * <p>This Element is used to house the Panel's {@link #buttons}.</p>
     * @type Ext.Element
     * @property footer
     */
    /**
     * @cfg {Mixed} applyTo
     * The id of the node, a DOM node or an existing Element corresponding to a DIV that is already present in
     * the document that specifies some panel-specific structural markup.  When applyTo is used, constituent parts of
     * the panel can be specified by CSS class name within the main element, and the panel will automatically create those
     * components from that markup. Any required components not specified in the markup will be autogenerated if necessary.
     * The following class names are supported (baseCls will be replaced by {@link #baseCls}):
     * <ul><li>baseCls + '-header'</li>
     * <li>baseCls + '-header-text'</li>
     * <li>baseCls + '-bwrap'</li>
     * <li>baseCls + '-tbar'</li>
     * <li>baseCls + '-body'</li>
     * <li>baseCls + '-bbar'</li>
     * <li>baseCls + '-footer'</li></ul>
     * Using this config, a call to render() is not required.  If applyTo is specified, any value passed for
     * {@link #renderTo} will be ignored and the target element's parent node will automatically be used as the panel's container.
     */
    /**
     * @cfg {Object/Array} tbar
     * The top toolbar of the panel. This can be either an {@link Ext.Toolbar} object or an array of
     * buttons/button configs to be added to the toolbar.  Note that this is not available as a property after render.
     * To access the top toolbar after render, use {@link #getTopToolbar}.
     */
    /**
     * @cfg {Object/Array} bbar
     * The bottom toolbar of the panel. This can be either an {@link Ext.Toolbar} object or an array of
     * buttons/button configs to be added to the toolbar.  Note that this is not available as a property after render.
     * To access the bottom toolbar after render, use {@link #getBottomToolbar}.
     */
    /**
     * @cfg {Boolean} header
     * True to create the header element explicitly, false to skip creating it.  By default, when header is not
     * specified, if a {@link #title} is set the header will be created automatically, otherwise it will not.  If
     * a title is set but header is explicitly set to false, the header will not be rendered.
     */
    /**
     * @cfg {Boolean} footer
     * True to create the footer element explicitly, false to skip creating it.  By default, when footer is not
     * specified, if one or more buttons have been added to the panel the footer will be created automatically,
     * otherwise it will not.
     */
    /**
     * @cfg {String} title
     * The title text to display in the panel header (defaults to '').  When a title is specified the header
     * element will automatically be created and displayed unless {@link #header} is explicitly set to false.  If
     * you don't want to specify a title at config time, but you may want one later, you must either specify a
     * non-empty title (a blank space ' ' will do) or header:true so that the container element will get created.
     */
    /**
     * @cfg {Array} buttons
     * An array of {@link Ext.Button}s or {@link Ext.Button} configs used to add buttons to the footer of this panel.
     */
    /**
     * @cfg {Object/String/Function} autoLoad
     * A valid url spec according to the Updater {@link Ext.Updater#update} method.
     * If autoLoad is not null, the panel will attempt to load its contents
     * immediately upon render.<p>
     * The URL will become the default URL for this panel's {@link #body} element,
     * so it may be {@link Ext.Element#refresh refresh}ed at any time.</p>
     */
    /**
     * @cfg {Boolean} frame
     * True to render the panel with custom rounded borders, false to render with plain 1px square borders (defaults to false).
     */
    /**
     * @cfg {Boolean} border
     * True to display the borders of the panel's body element, false to hide them (defaults to true).  By default,
     * the border is a 2px wide inset border, but this can be further altered by setting {@link #bodyBorder} to false.
     */
    /**
     * @cfg {Boolean} bodyBorder
     * True to display an interior border on the body element of the panel, false to hide it (defaults to true).
     * This only applies when {@link #border} == true.  If border == true and bodyBorder == false, the border will display
     * as a 1px wide inset border, giving the entire body element an inset appearance.
     */
    /**
     * @cfg {String/Object/Function} bodyStyle
     * Custom CSS styles to be applied to the body element in the format expected by {@link Ext.Element#applyStyles}
     * (defaults to null).
     */
    /**
     * @cfg {String} iconCls
     * A CSS class that will provide a background image to be used as the header icon (defaults to '').  An example
     * custom icon class would be something like: .my-icon { background: url(../images/my-icon.gif) 0 6px no-repeat !important;}
     */
    /**
     * @cfg {Boolean} collapsible
     * True to make the panel collapsible and have the expand/collapse toggle button automatically rendered into
     * the header tool button area, false to keep the panel statically sized with no button (defaults to false).
     */
    /**
     * @cfg {Array} tools
     * An array of tool button configs to be added to the header tool area. When rendered, each tool is
     * stored as an {@link Ext.Element Element} referenced by a public property called <tt><b></b>tools.<i>&lt;tool-type&gt;</i></tt>
     * <p>Each tool config may contain the following properties:
     * <div class="mdetail-params"><ul>
     * <li><b>id</b> : String<div class="sub-desc"><b>Required.</b> The type
     * of tool to create. Values may be<ul>
     * <li><tt>toggle</tt> (Created by default when {@link #collapsible} is <tt>true</tt>)</li>
     * <li><tt>close</tt></li>
     * <li><tt>minimize</tt></li>
     * <li><tt>maximize</tt></li>
     * <li><tt>restore</tt></li>
     * <li><tt>gear</tt></li>
     * <li><tt>pin</tt></li>
     * <li><tt>unpin</tt></li>
     * <li><tt>right</tt></li>
     * <li><tt>left</tt></li>
     * <li><tt>up</tt></li>
     * <li><tt>down</tt></li>
     * <li><tt>refresh</tt></li>
     * <li><tt>minus</tt></li>
     * <li><tt>plus</tt></li>
     * <li><tt>help</tt></li>
     * <li><tt>search</tt></li>
     * <li><tt>save</tt></li>
     * <li><tt>print</tt></li>
     * </ul></div></li>
     * <li><b>handler</b> : Function<div class="sub-desc"><b>Required.</b> The function to
     * call when clicked. Arguments passed are:<ul>
     * <li><b>event</b> : Ext.EventObject<div class="sub-desc">The click event.</div></li>
     * <li><b>toolEl</b> : Ext.Element<div class="sub-desc">The tool Element.</div></li>
     * <li><b>Panel</b> : Ext.Panel<div class="sub-desc">The host Panel</div></li>
     * </ul></div></li>
     * <li><b>scope</b> : Object<div class="sub-desc">The scope in which to call the handler.</div></li>
     * <li><b>qtip</b> : String/Object<div class="sub-desc">A tip string, or
     * a config argument to {@link Ext.QuickTip#register}</div></li>
     * <li><b>hidden</b> : Boolean<div class="sub-desc">True to initially render hidden.</div></li>
     * <li><b>on</b> : Object<div class="sub-desc">A listener config object specifiying
     * event listeners in the format of an argument to {@link #addListener}</div></li>
     * </ul></div>
     * Example usage:
     * <pre><code>
tools:[{
    id:'refresh',
    qtip: 'Refresh form Data',
    // hidden:true,
    handler: function(event, toolEl, panel){
        // refresh logic
    }
}]
</code></pre>
     * Note that apart from the toggle tool which is provided when a panel is
     * collapsible, these tools only provide the visual button. Any required
     * functionality must be provided by adding handlers that implement the
     * necessary behavior.
     */
    /**
     * @cfg {Boolean} hideCollapseTool
     * True to hide the expand/collapse toggle button when {@link #collapsible} = true, false to display it (defaults to false).
     */
    /**
     * @cfg {Boolean} titleCollapse
     * True to allow expanding and collapsing the panel (when {@link #collapsible} = true) by clicking anywhere in the
     * header bar, false to allow it only by clicking to tool button (defaults to false).
     */
    /**
     * @cfg {Boolean} autoScroll
     * True to use overflow:'auto' on the panel's body element and show scroll bars automatically when necessary,
     * false to clip any overflowing content (defaults to false).
     */
    /**
     * @cfg {Boolean} floating
     * True to float the panel (absolute position it with automatic shimming and shadow), false to display it
     * inline where it is rendered (defaults to false).  Note that by default, setting floating to true will cause the
     * panel to display at negative offsets so that it is hidden -- because the panel is absolute positioned, the
     * position must be set explicitly after render (e.g., myPanel.setPosition(100,100);).  Also, when floating a
     * panel you should always assign a fixed width, otherwise it will be auto width and will expand to fill to the
     * right edge of the viewport.
     */
    /**
     * @cfg {Boolean/String} shadow
     * True (or a valid Ext.Shadow {@link Ext.Shadow#mode} value) to display a shadow behind the panel, false to
     * display no shadow (defaults to 'sides').  Note that this option only applies when floating = true.
     */
    /**
     * @cfg {Number} shadowOffset
     * The number of pixels to offset the shadow if displayed (defaults to 4). Note that this option only applies
     * when floating = true.
     */
    /**
     * @cfg {Boolean} shim
     * False to disable the iframe shim in browsers which need one (defaults to true).  Note that this option
     * only applies when floating = true.
     */
    /**
     * @cfg {String/Object} html
     * An HTML fragment, or a {@link Ext.DomHelper DomHelper} specification to use
     * as the panel's body content (defaults to ''). The HTML content is added by the Panel's
     * afterRender method, and so the document will not contain this HTML at the time the render
     * event is fired. This content is inserted into the body <i>before</i> any configured
     * {@link #contentEl} is appended.
     */
    /**
     * @cfg {String} contentEl
     * The id of an existing HTML node to use as the panel's body content (defaults to ''). The
     * specified Element is appended to the Panel's body Element by the Panel's afterRender method
     * <i>after any configured {@link #html HTML} has been inserted</i>, and so the document will
     * not contain this HTML at the time the render event is fired.
     */
    /**
     * @cfg {Object/Array} keys
     * A KeyMap config object (in the format expected by {@link Ext.KeyMap#addBinding} used to assign custom key
     * handling to this panel (defaults to null).
     */
     /**
       * @cfg {Boolean} draggable
       * <p>True to enable dragging of this Panel (defaults to false).</p>
       * <p>For custom drag/drop implementations, an Ext.Panel.DD
       * config could also be passed in this config instead of true. Ext.Panel.DD is an internal,
       * undocumented class which moves a proxy Element around in place of the Panel's element, but
       * provides no other behaviour during dragging or on drop. It is a subclass of
       * {@link Ext.dd.DragSource}, so behaviour may be added by implementing the interface methods
       * of {@link Ext.dd.DragDrop} eg:
       * <pre><code>
new Ext.Panel({
    title: 'Drag me',
    x: 100,
    y: 100,
    renderTo: Ext.getBody(),
    floating: true,
    frame: true,
    width: 400,
    height: 200,
    draggable: {
//      Config option of Ext.Panel.DD class.
//      It's a floating Panel, so do not show a placeholder proxy in the original position.
        insertProxy: false,

//      Called for each mousemove event while dragging the DD object.
        onDrag : function(e){
//          Record the x,y position of the drag proxy so that we can
//          position the Panel at end of drag.
            var pel = this.proxy.getEl();
            this.x = pel.getLeft(true);
            this.y = pel.getTop(true);

//          Keep the Shadow aligned if there is one.
            var s = this.panel.getEl().shadow;
            if (s) {
                s.realign(this.x, this.y, pel.getWidth(), pel.getHeight());
            }
        },

//      Called on the mouseup event.
        endDrag : function(e){
            this.panel.setPosition(this.x, this.y);
        }
    }
}).show();
</code></pre>
     */
    /**
       * @cfg {String} tabTip
       * Adds a tooltip when mousing over the tab of a Ext.Panel which is an item of a Ext.TabPanel. Ext.QuickTips.init()
       * must be called in order for the tips to render.
     */
    /**
     * @cfg {Boolean} disabled
     * Render this panel disabled (default is false). An important note when using the disabled config on panels is
     * that IE will often fail to initialize the disabled mask element correectly if the panel's layout has not yet 
     * completed by the time the Panel is disabled during the render process. If you experience this issue, you may 
     * need to instead use the {@link afterlayout} event to initialize the disabled state:
     * <pre><code>
new Ext.Panel({
    ...
    listeners: {
        'afterlayout': {
            fn: function(p){
                p.disable();
            },
            single: true // important, as many layouts can occur