/*
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This file is part of Ext JS 4.2
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-05-16 14:36:50 (f9be68accb407158ba2b1be2c226a6ce1f649314)
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*/
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/**
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* Layout class for {@link Ext.form.field.TextArea} fields. Handles sizing the textarea field.
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* @private
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*/
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Ext.define('Ext.layout.component.field.TextArea', {
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extend: 'Ext.layout.component.field.Text',
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alias: 'layout.textareafield',
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type: 'textareafield',
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canGrowWidth: false,
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naturalSizingProp: 'cols',
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beginLayout: function(ownerContext){
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this.callParent(arguments);
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ownerContext.target.inputEl.setStyle('height', '');
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},
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measureContentHeight: function (ownerContext) {
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var me = this,
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owner = me.owner,
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height = me.callParent(arguments),
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inputContext, inputEl, value, max, curWidth, calcHeight;
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if (owner.grow && !ownerContext.state.growHandled) {
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inputContext = ownerContext.inputContext;
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inputEl = owner.inputEl;
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curWidth = inputEl.getWidth(true); //subtract border/padding to get the available width for the text
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// Get and normalize the field value for measurement
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value = Ext.util.Format.htmlEncode(inputEl.dom.value) || ' ';
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value += owner.growAppend;
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// Translate newlines to <br> tags
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value = value.replace(/\n/g, '<br/>');
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// Find the height that contains the whole text value
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calcHeight = Ext.util.TextMetrics.measure(inputEl, value, curWidth).height +
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inputContext.getBorderInfo().height + inputContext.getPaddingInfo().height;
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// Constrain
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calcHeight = Ext.Number.constrain(calcHeight, owner.growMin, owner.growMax);
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inputContext.setHeight(calcHeight);
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ownerContext.state.growHandled = true;
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// Now that we've set the inputContext, we need to recalculate the width
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inputContext.domBlock(me, 'height');
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height = NaN;
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}
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return height;
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}
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});
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