/** * @private * @class Ext.draw.ContainerBase */Ext.define('Ext.draw.ContainerBase', { extend: 'Ext.panel.Panel', requires: ['Ext.window.Window'], /** * @cfg {String} previewTitleText The text to place in Preview Chart window title. */ previewTitleText: 'Chart Preview', /** * @cfg {String} previewAltText The text to place in the Preview image alt attribute. */ previewAltText: 'Chart preview', layout: 'container', // Adds a listener to this draw container's element. If the element does not yet exist // addition of the listener will be deferred until onRender. Useful when listeners // need to be attached during initConfig. addElementListener: function() { var me = this, args = arguments; if (me.rendered) { me.el.on.apply(me.el, args); } else { me.on('render', function() { me.el.on.apply(me.el, args); }); } }, removeElementListener: function() { var me = this, args = arguments; if (me.rendered) { me.el.un.apply(me.el, args); } }, afterRender: function() { this.callParent(arguments); this.initAnimator(); }, getItems: function() { var me = this, items = me.items; if (!items || !items.isMixedCollection) { // getItems may be called before initItems has run and created the items // collection, so we have to create it here just in case (this can happen // if getItems is called during initConfig) me.initItems(); } return me.items; }, onRender: function() { this.callParent(arguments); this.element = this.el; this.bodyElement = this.body; }, setItems: function(items) { this.items = items; return items; }, setSurfaceSize: function(width, height) { this.resizeHandler({ width: width, height: height }); this.renderFrame(); }, onResize: function (width, height, oldWidth, oldHeight) { this.handleResize({ width: width, height: height }, !this.size); // First resize should be performed without any delay. }, preview: function () { var image = this.getImage(), items; if (Ext.isIE8) { return false; } if (image.type === 'svg-markup') { items = { xtype: 'container', html: image.data }; } else { items = { xtype: 'image', mode: 'img', cls: Ext.baseCSSPrefix + 'chart-image', alt: this.previewAltText, src: image.data, listeners: { afterrender: function () { var me = this, img = me.imgEl.dom, ratio = image.type === 'svg' ? 1 : (window['devicePixelRatio'] || 1), size; if (!img.naturalWidth || !img.naturalHeight) { img.onload = function () { var width = img.naturalWidth, height = img.naturalHeight; me.setWidth(Math.floor(width / ratio)); me.setHeight(Math.floor(height / ratio)); } } else { size = me.getSize(); me.setWidth(Math.floor(size.width / ratio)); me.setHeight(Math.floor(size.height / ratio)); } } } }; } new Ext.window.Window({ title: this.previewTitleText, closeable: true, renderTo: Ext.getBody(), autoShow: true, maximizeable: true, maximized: true, border: true, layout: { type: 'hbox', pack: 'center', align: 'middle' }, items: { xtype: 'container', items: items } }); }, privates: { getTargetEl: function() { return this.bodyElement; }, reattachToBody: function() { // This is to ensure charts work properly as grid column widgets. var me = this; if (me.pendingDetachSize) { me.handleResize(); } me.pendingDetachSize = false; me.callParent(); } }});