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<pre class="prettyprint lang-js"><span id='Ext-layout-component-field-TextArea'>/**
</span> * Layout class for {@link Ext.form.field.TextArea} fields. Handles sizing the textarea field.
* @private
*/
Ext.define('Ext.layout.component.field.TextArea', {
extend: 'Ext.layout.component.field.Text',
alias: 'layout.textareafield',
type: 'textareafield',
canGrowWidth: false,
naturalSizingProp: 'cols',
beginLayout: function(ownerContext){
this.callParent(arguments);
ownerContext.target.inputEl.setStyle('height', '');
},
measureContentHeight: function (ownerContext) {
var me = this,
owner = me.owner,
height = me.callParent(arguments),
inputContext, inputEl, value, max, curWidth, calcHeight;
if (owner.grow && !ownerContext.state.growHandled) {
inputContext = ownerContext.inputContext;
inputEl = owner.inputEl;
curWidth = inputEl.getWidth(true); //subtract border/padding to get the available width for the text
// Get and normalize the field value for measurement
value = Ext.util.Format.htmlEncode(inputEl.dom.value) || '&#160;';
value += owner.growAppend;
// Translate newlines to <br> tags
value = value.replace(/\n/g, '<br/>');
// Find the height that contains the whole text value
calcHeight = Ext.util.TextMetrics.measure(inputEl, value, curWidth).height +
inputContext.getBorderInfo().height + inputContext.getPaddingInfo().height;
// Constrain
calcHeight = Ext.Number.constrain(calcHeight, owner.growMin, owner.growMax);
inputContext.setHeight(calcHeight);
ownerContext.state.growHandled = true;
// Now that we've set the inputContext, we need to recalculate the width
inputContext.domBlock(me, 'height');
height = NaN;
}
return height;
}
});
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