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source: trunk/workshop-routing-foss4g/web/ext/src/widgets/Viewport.js @ 76

Revision 76, 3.8 KB checked in by djay, 12 years ago (diff)

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1/*!
2 * Ext JS Library 3.4.0
3 * Copyright(c) 2006-2011 Sencha Inc.
4 * licensing@sencha.com
5 * http://www.sencha.com/license
6 */
7/**
8 * @class Ext.Viewport
9 * @extends Ext.Container
10 * <p>A specialized container representing the viewable application area (the browser viewport).</p>
11 * <p>The Viewport renders itself to the document body, and automatically sizes itself to the size of
12 * the browser viewport and manages window resizing. There may only be one Viewport created
13 * in a page. Inner layouts are available by virtue of the fact that all {@link Ext.Panel Panel}s
14 * added to the Viewport, either through its {@link #items}, or through the items, or the {@link #add}
15 * method of any of its child Panels may themselves have a layout.</p>
16 * <p>The Viewport does not provide scrolling, so child Panels within the Viewport should provide
17 * for scrolling if needed using the {@link #autoScroll} config.</p>
18 * <p>An example showing a classic application border layout:</p><pre><code>
19new Ext.Viewport({
20    layout: 'border',
21    items: [{
22        region: 'north',
23        html: '&lt;h1 class="x-panel-header">Page Title&lt;/h1>',
24        autoHeight: true,
25        border: false,
26        margins: '0 0 5 0'
27    }, {
28        region: 'west',
29        collapsible: true,
30        title: 'Navigation',
31        width: 200
32        // the west region might typically utilize a {@link Ext.tree.TreePanel TreePanel} or a Panel with {@link Ext.layout.AccordionLayout Accordion layout}
33    }, {
34        region: 'south',
35        title: 'Title for Panel',
36        collapsible: true,
37        html: 'Information goes here',
38        split: true,
39        height: 100,
40        minHeight: 100
41    }, {
42        region: 'east',
43        title: 'Title for the Grid Panel',
44        collapsible: true,
45        split: true,
46        width: 200,
47        xtype: 'grid',
48        // remaining grid configuration not shown ...
49        // notice that the GridPanel is added directly as the region
50        // it is not "overnested" inside another Panel
51    }, {
52        region: 'center',
53        xtype: 'tabpanel', // TabPanel itself has no title
54        items: {
55            title: 'Default Tab',
56            html: 'The first tab\'s content. Others may be added dynamically'
57        }
58    }]
59});
60</code></pre>
61 * @constructor
62 * Create a new Viewport
63 * @param {Object} config The config object
64 * @xtype viewport
65 */
66Ext.Viewport = Ext.extend(Ext.Container, {
67    /*
68     * Privatize config options which, if used, would interfere with the
69     * correct operation of the Viewport as the sole manager of the
70     * layout of the document body.
71     */
72    /**
73     * @cfg {Mixed} applyTo @hide
74     */
75    /**
76     * @cfg {Boolean} allowDomMove @hide
77     */
78    /**
79     * @cfg {Boolean} hideParent @hide
80     */
81    /**
82     * @cfg {Mixed} renderTo @hide
83     */
84    /**
85     * @cfg {Boolean} hideParent @hide
86     */
87    /**
88     * @cfg {Number} height @hide
89     */
90    /**
91     * @cfg {Number} width @hide
92     */
93    /**
94     * @cfg {Boolean} autoHeight @hide
95     */
96    /**
97     * @cfg {Boolean} autoWidth @hide
98     */
99    /**
100     * @cfg {Boolean} deferHeight @hide
101     */
102    /**
103     * @cfg {Boolean} monitorResize @hide
104     */
105
106    initComponent : function() {
107        Ext.Viewport.superclass.initComponent.call(this);
108        document.getElementsByTagName('html')[0].className += ' x-viewport';
109        this.el = Ext.getBody();
110        this.el.setHeight = Ext.emptyFn;
111        this.el.setWidth = Ext.emptyFn;
112        this.el.setSize = Ext.emptyFn;
113        this.el.dom.scroll = 'no';
114        this.allowDomMove = false;
115        this.autoWidth = true;
116        this.autoHeight = true;
117        Ext.EventManager.onWindowResize(this.fireResize, this);
118        this.renderTo = this.el;
119    },
120
121    fireResize : function(w, h){
122        this.fireEvent('resize', this, w, h, w, h);
123    }
124});
125Ext.reg('viewport', Ext.Viewport);
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