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POautocomplete with extjs :ComboBox with REMOTE query store
 

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  1. POautocomplete with extjs :ComboBox with REMOTE query store
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    <p>I want to use ComboBox with REMOTE query , </p> <p>I work with extjs 4,</p> <p>I want to do autocomplete with combobox</p> <p>meaning when I entered a text in the combobox a request will send to database in order to display a list of emplyees ( in my case ) according to text entered in the combobox</p> <p>I found some example which use <code>queryMode: 'remote',</code> and <code>hideTrigger:true</code></p> <p>this some of link which I found </p> <pre><code>http://demo.mysamplecode.com/ExtJs/pages/comboBoxes.jsp </code></pre> <p>currently I have this code which fill out a combo with traditional way</p> <p>in my <strong>emplyeesModel.js</strong> I have </p> <pre><code> Ext.define('GenericComboModel', { extend: 'Ext.data.Model', fields: [ {name: 'label', type: 'string'}, {name: 'value', type: 'string'} ] }); var employeesStore= Ext.create('Ext.data.Store', { model: 'GenericComboModel' }); </code></pre> <p>in my <code>emplyeesView.js</code> I have </p> <pre><code>function fillEmployeesCombo() { employeesService.getEmployeesList({ callback:function(employeesList){ for(var i=0; i&lt;employeesList.length; i++){ var employeesLabel = employeesList[i].libelleEmployees; var employeesId = employeesList[i].idEmployees; employeesStore.add({label: employeesLabel , value: employeesId }); } } }); } var employeesPanel = Ext.create('Ext.panel.Panel', { title: 'test', bodyPadding: 5, width: '100%', height: '100%', autoScroll: true, id: 'tab_Employees', layout: 'anchor', defaults: { anchor: '100%' }, defaultType: 'textfield', items: [ { xtype: 'container', layout: { type: 'hbox' }, padding: '5 5 5 5', items: [ { xtype: 'combobox', store: employeesStore, displayField: 'label', valueField: 'value', queryMode: 'local', fieldLabel: 'test', editable: false, id: 'employees_IdCombo' } ] }, ] }); </code></pre> <p>in <code>employeesService.java</code> I have</p> <pre><code>public List&lt;employees&gt; getEmployeesList() { // TODO Auto-generated method stub Query query = getSession().createQuery("FROM employees emp "); List result = query.list(); if(result.size()!=0 &amp;&amp; result !=null) return result; else return null; } </code></pre> <p>but actually I will change my code in :<strong>emplyeesView.js</strong></p> <p>I will have this kind of code :</p> <pre><code>xtype: 'combobox', store: employeesStore, displayField: 'label', valueField: 'value', queryMode: 'remote', fieldLabel: 'test', editable: false, id: 'employees_IdCombo', hideTrigger:true </code></pre> <p>also I think in <strong>emplyeesModel.js</strong> I should add this notion :</p> <pre><code> proxy: { type: 'ajax',....... </code></pre> <p>I think that in order to finish my example I should use a servlet </p> <p>meaning fo example :</p> <pre><code> proxy: { type: 'ajax', url: 'EmployeesServlet',... </code></pre> <p>can someone help me to correct my code</p> <p>I try with this code :</p> <pre><code>Ext.define('GenericComboModel', { extend: 'Ext.data.Model', fields: [ {name: 'label', type: 'string'}, {name: 'value', type: 'string'} ] }); var employeesStore= Ext.create('Ext.data.Store', { model: 'GenericComboModel', proxy: { type: 'ajax', url: 'employeesService', reader: { type: 'json', root: 'users' } } }); //Finally your combo looks like this { xtype: 'combobox', store: employeesStore, displayField: 'label', valueField: 'value', queryMode: 'remote', fieldLabel: 'test', editable: false, id: 'employees_IdCombo', hideTrigger:true queryParam: 'searchStr' //This will be the argument that is going to be passed to your service which you can use this to return your resulkt set } function fillEmployeesComboByParam(String Libelle) { employeesService.getEmployeesList(Libelle){ callback:function(employeesList){ for(var i=0; i&lt;employeesList.length; i++){ var employeesLabel = employeesList[i].libelleEmployees; var employeesId = employeesList[i].idEmployees; employeesStore.add({label: employeesLabel , value: employeesId }); } } }); } in `employeesService.java` I have public List&lt;employees&gt; getEmployeesList(String libelle) { // TODO Auto-generated method stub Query query = getSession().createQuery("FROM employees emp where emp.libelle=:libelle "); query.setParameter("libelle", libelle); List result = query.list(); if(result.size()!=0 &amp;&amp; result !=null) return result; else return null; } </code></pre> <p>juste I want to know want if this url is correct or no</p> <pre><code> url: 'employeesService, </code></pre>
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