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POHow to populate Ext.js 4 grid panel cell after selecting item from autocomplete?
 

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  1. POHow to populate Ext.js 4 grid panel cell after selecting item from autocomplete?
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    <p>I am a bit uncertain about how to do the following:</p> <p>I've got a grid panel and on one of the fields, I've got an autocomplete and this part of my application is working fine. </p> <p><img src="https://i.stack.imgur.com/YCNKW.png" alt="Autocomplete in gridpanel"></p> <p>What I would like to do is this: Upon selecting an item from the autocomplete list, I will like to populate the "Description" data associated with that item and populate it in the appropriate cell. </p> <p>For instance , the data returned for "PartNum 3" is:</p> <pre class="lang-js prettyprint-override"><code>{"PartNum":"PartNum 3","Description":"Description partnum 3"} </code></pre> <p>Upon selection I'd like "Description partnum 3" to be updated in the "Description" cell of the grid panel. </p> <p>Now, what I'm a bit confused about is what is the best way to do this. The first way seems to be a "DOM" model as explained here <a href="https://stackoverflow.com/questions/2447401/how-to-read-and-set-a-value-of-a-specific-cell-in-an-extjs-grid">How to read and set a value of a specific cell in an ExtJS Grid?</a>. The other method appears to be more of "Store" solution e.g. <a href="https://stackoverflow.com/questions/4218075/update-or-reload-store-of-extjs-combobox">Update or Reload Store of ExtJs ComboBox</a></p> <p>So my question is which method should I be using and why? In particular, I would like to know what the best way would be when performing an add operation in the backend. </p> <p>Some code for the "Store" method as it applies to the Gridpanel and autocomplete would be very welcome as well. </p> <p>As far as the current code is concerned, here is my model:</p> <pre class="lang-js prettyprint-override"><code>Ext.define('CustomerOrderLineGrid.model.COLInventoryPart', { extend: 'Ext.data.Model' , fields: ['Id', 'PartNum', 'Description'] , proxy: { type: 'ajax' , api: { read: '../InventoryPart/InventoryPartListAutoComplete' } // , url: 'someUrl' , extraParams: { total: 50000 } , reader: { type: 'json' , root: 'InventoryParts' , successProperty: 'success' , totalProperty: 'total' } , simpleSortMode: true } </code></pre> <p>});</p> <p>The store is:</p> <pre class="lang-js prettyprint-override"><code>Ext.define('CustomerOrderLineGrid.store.COLInventoryParts', { extend: 'Ext.data.Store', model: 'CustomerOrderLineGrid.model.COLInventoryPart', autoLoad: false , pageSize: 200 , remoteSort: true , remoteFilter: true , buffered: true , sorters: [{ property: 'PartNum' , direction: 'ASC' }] </code></pre> <p>});</p> <p>and part of the view is:</p> <pre class="lang-js prettyprint-override"><code>, editor: { xtype: 'combo' , store: 'COLInventoryParts' , displayField: 'PartNum' , typeAhead: true , width: 320 , hideTrigger: true , minChars: 2 , listeners: { select: function (f, r, i) { // CODE TO INSERT TO POPULATE DESCRIPTION FIELD } } } </code></pre>
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