<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>The source code</title> <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" /> <script type="text/javascript" src="../resources/prettify/prettify.js"></script> <style type="text/css"> .highlight { display: block; background-color: #ddd; } </style> <script type="text/javascript"> function highlight() { document.getElementById(location.hash.replace(/#/, "")).className = "highlight"; } </script> </head> <body onload="prettyPrint(); highlight();"> <pre class="prettyprint lang-js"><span id='Ext-layout-component-field-ComboBox'>/** </span> * Layout class for {@link Ext.form.field.ComboBox} fields. Handles sizing the input field. * @private */ Ext.define('Ext.layout.component.field.ComboBox', { extend: 'Ext.layout.component.field.Trigger', alias: 'layout.combobox', requires: ['Ext.util.TextMetrics'], type: 'combobox', startingWidth: null, getTextWidth: function () { var me = this, owner = me.owner, store = owner.store, field = owner.displayField, storeLn = store.data.length, value = '', i = 0, n = 0, ln, item, width; for (; i < storeLn; i++) { item = store.getAt(i).data[field]; ln = item.length; // compare the current item's length with the current longest length and store the value if (ln > n) { n = ln; value = item; } } width = Math.max(me.callParent(arguments), owner.inputEl.getTextWidth(value + owner.growAppend)); // it's important to know the starting width else the inputEl could be resized smaller than the boundlist // NOTE that when removing items from the store that the startingWidth needs to be recalculated if (!me.startingWidth || owner.removingRecords) { me.startingWidth = width; // also, if the width is less than growMin reset the default boundlist width // or it will appear wider than the component if the trigger is clicked if (width < owner.growMin) { owner.defaultListConfig.minWidth = owner.growMin; } owner.removingRecords = false; } // only resize if the new width is greater than the starting width return (width < me.startingWidth) ? me.startingWidth : width; } }); </pre> </body> </html>