Ext.plugin.RememberSelection by Bunchofstring – Version 1.0 Beta


Now your app can remember what a user selected and avoid the need to reselect the same list item every time. Multiple selections are also supported.

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  • Sencha Touch 2.0


  • iOS (mobile)
  • Android (mobile)
  • Safari (desktop)
  • Chrome (desktop)


  • How it works...

    1. Initial load with default selection 2. User selects a list item 3. After refresh, the selection is restored //Fingerprint image by Wilfredor (CC-BY-SA-3.0) via Wikimedia Commons

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This extension saves and restores list selections using a localStorage proxy. When a user selects a list item like a country, language, etc. your app will remember the choice and restore their selections the next time this list is shown. Any handlers fire as though the user actually reselected each item.

View Example on Sencha Try

Requirements: 1. List must be bound to a store 2. The bound store must use a LocalStorage proxy 3. The store's model must include a "selected" field. I.e. {name:'selected',type:'boolean',defaultValue:false},

Related Notes: 1. Generally, avoid interfaces where users must select from a list of more than 7 items 2. The list must be painted before any developer-defined selection handlers will be triggered

Example: ' Ext.define('Country',{ extend:'Ext.data.Model', config:{ fields:[ {name:'name',type:'string'}, {name:'selected',type:'boolean',defaultValue:false} ], identifier:{ type:'uuid' }, proxy:{ id:'Country', type:'localstorage' } }, }); Ext.create('Ext.data.Store',{ model:'Country', storeId:'Country', proxy:{ id:'Country', type:'localstorage' }, autoLoad:{ callback:function(records){ if(Ext.isEmpty(records)){ this.setData([ {name:'United States'}, {name:'Canada'}, {name:'Mexico'} ]); } } }, autoSync:true }); Ext.Viewport.add({ xtype:'list', scrollable:true, itemTpl:'{name}', store:'Country', plugins:[ { xclass: 'Ext.plugin.RememberSelection', getDefaultSelectionRecords:function(list){ var store = list.getStore(); return [store.findRecord('name','United States')]; } } ] }); '

Version History


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