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<pre class="prettyprint lang-js"><span id='Ext-layout-component-Draw'>/**
</span> * @class Ext.layout.component.Draw
* @private
*
*/
Ext.define('Ext.layout.component.Draw', {
/* Begin Definitions */
alias: 'layout.draw',
extend: 'Ext.layout.component.Auto',
/* End Definitions */
type: 'draw',
measureContentWidth : function (ownerContext) {
var target = ownerContext.target,
paddingInfo = ownerContext.getPaddingInfo(),
bbox = this.getBBox(ownerContext);
if (!target.viewBox) {
if (target.autoSize) {
return bbox.width + paddingInfo.width;
} else {
return bbox.x + bbox.width + paddingInfo.width;
}
} else {
if (ownerContext.heightModel.shrinkWrap) {
return paddingInfo.width;
} else {
return bbox.width / bbox.height * (ownerContext.getProp('contentHeight') - paddingInfo.height) + paddingInfo.width;
}
}
},
measureContentHeight : function (ownerContext) {
var target = ownerContext.target,
paddingInfo = ownerContext.getPaddingInfo(),
bbox = this.getBBox(ownerContext);
if (!ownerContext.target.viewBox) {
if (target.autoSize) {
return bbox.height + paddingInfo.height;
} else {
return bbox.y + bbox.height + paddingInfo.height;
}
} else {
if (ownerContext.widthModel.shrinkWrap) {
return paddingInfo.height;
} else {
return bbox.height / bbox.width * (ownerContext.getProp('contentWidth') - paddingInfo.width) + paddingInfo.height;
}
}
},
getBBox: function(ownerContext) {
var bbox = ownerContext.surfaceBBox;
if (!bbox) {
bbox = ownerContext.target.surface.items.getBBox();
// If the surface is empty, we'll get these values, normalize them
if (bbox.width === -Infinity && bbox.height === -Infinity) {
bbox.width = bbox.height = bbox.x = bbox.y = 0;
}
ownerContext.surfaceBBox = bbox;
}
return bbox;
},
publishInnerWidth: function (ownerContext, width) {
ownerContext.setContentWidth(width - ownerContext.getFrameInfo().width, true);
},
publishInnerHeight: function (ownerContext, height) {
ownerContext.setContentHeight(height - ownerContext.getFrameInfo().height, true);
},
finishedLayout: function (ownerContext) {
// TODO: Is there a better way doing this?
var props = ownerContext.props,
paddingInfo = ownerContext.getPaddingInfo();
// We don't want the cost of getProps, so we just use the props data... this is ok
// because all the props have been calculated by this time
this.owner.setSurfaceSize(props.contentWidth - paddingInfo.width, props.contentHeight - paddingInfo.height);
// calls afterComponentLayout, so we want the surface to be sized before that:
this.callParent(arguments);
}
});
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