91 lines
2.6 KiB
JavaScript
91 lines
2.6 KiB
JavaScript
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Ext.define('Ext.ux.FormViewport', {
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extend: 'Ext.container.Container',
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alias: 'widget.formviewport',
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isViewport: true,
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ariaRole: 'application',
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preserveElOnDestroy: true,
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viewportCls: Ext.baseCSSPrefix + 'viewport',
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initComponent: function () {
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var me = this,
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html = document.body.parentNode,
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el = me.el = Ext.getBody();
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/////开始 修改点一/////////////////////////////
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el = me.el = Ext.get(me.renderTo);
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var body = Ext.getBody();
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/////结束 修改点一/////////////////////////////
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// Get the DOM disruption over with before the Viewport renders and begins a layout
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Ext.getScrollbarSize();
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// Clear any dimensions, we will size later on
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me.width = me.height = undefined;
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me.callParent(arguments);
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Ext.fly(html).addCls(me.viewportCls);
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if (me.autoScroll) {
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Ext.fly(html).setStyle(me.getOverflowStyle());
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delete me.autoScroll;
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}
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el.setHeight = el.setWidth = Ext.emptyFn;
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el.dom.scroll = 'no';
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me.allowDomMove = false;
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me.renderTo = me.el;
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},
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// override here to prevent an extraneous warning
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applyTargetCls: function (targetCls) {
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this.el.addCls(targetCls);
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},
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onRender: function () {
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var me = this;
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me.callParent(arguments);
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// Important to start life as the proper size (to avoid extra layouts)
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// But after render so that the size is not stamped into the body
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me.width = Ext.Element.getViewportWidth();
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me.height = Ext.Element.getViewportHeight();
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},
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afterFirstLayout: function () {
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var me = this;
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me.callParent(arguments);
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setTimeout(function () {
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Ext.EventManager.onWindowResize(me.fireResize, me);
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}, 1);
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},
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fireResize: function (width, height) {
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// In IE we can get resize events that have our current size, so we ignore them
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// to avoid the useless layout...
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if (width != this.width || height != this.height) {
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this.setSize(width, height);
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}
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},
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initHierarchyState: function (hierarchyState) {
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this.callParent([this.hierarchyState = Ext.rootHierarchyState]);
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},
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beforeDestroy: function () {
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var me = this;
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me.removeUIFromElement();
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me.el.removeCls(me.baseCls);
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Ext.fly(document.body.parentNode).removeCls(me.viewportCls);
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me.callParent();
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}
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});
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