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  1. #1
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    Default ArrayCombo

    ArrayCombo


    I'm trying to get a ComboBox with an ArrayStore working properly.

    Can somebody give me a quick example of something from Ext4?

    Thanks,
    Michael

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    Default


    Something like this should work:

    Code:
      new Ext.form.ComboBox({
        store: Ext.create('Ext.data.ArrayStore', {
          fields: [ 'email' ],
          data: [
            ['test@example.com'],
            ['someone@example.com'],
            ['someone-else@example.com']
          ]
        }),
        displayField: 'email',
        fieldLabel: 'Send To',
        queryMode: 'local',
        name: 'to',
        renderTo: document.body
      });
    Interestingly when I tried to get this working with using dynamic class loading (not using ext-all-debug.js) it wasn't enough when I specified:

    Code:
    Ext.require([
      'Ext.form.ComboBox',
      'Ext.data.ArrayStore'
    ]);
    Instead I had to add several more:

    Code:
    Ext.require([
      'Ext.form.ComboBox',
      'Ext.data.ArrayStore'
      "Ext.data.AjaxProxy",
      "Ext.data.JsonReader",
      "Ext.data.JsonWriter",
      "Ext.data.ArrayReader"
    ]);
    Why do I need AjaxProxy when creating ArrayStore?

  3. #3
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    Default


    There seems to be a bug, but I'm not exactly sure. Try using an int for the value field:

    PHP Code:

    new Ext.form.ComboBox({
        
    storeExt.create('Ext.data.ArrayStore', {
          
    fields: [ 'email' ],
          
    data: [
            [
    1],
            [
    2],
            [
    3]
          ]
        }),
        
    displayField'email',
        
    fieldLabel'Send To',
        
    queryMode'local',
        
    name'to',
        
    renderTodocument.body
      
    }); 
    I made this change and it seems to fix the problem:


    PHP Code:

        createPicker
    : function() {
            var 
    me this,
            
    picker,
            
    opts = {
                
    selModel: {
                
    modeme.multiSelect 'SIMPLE' 'SINGLE'
                
    },
                
    floatingtrue,
                
    hiddentrue,
                
    ownerCtthis.ownerCt,
                
    renderTodocument.body,
                
    storeme.store,
                
    displayFieldme.displayField,
                
    widthme.listWidth,
                
    maxHeightme.listMaxHeight,
                
    loadingTextme.listLoadingText,
                
    emptyTextme.listEmptyText
            
    };
        
            if (
    me.getInnerTpl) {
            
    opts.getInnerTpl me.getInnerTpl;
            }
        
            
    picker = new Ext.view.BoundList(opts);
        
            
    // Ensure the selected Models display as selected.
            
    if (me.value) {
            
    //me.select(me.value.split(me.delimiter)); Breaks if value is int.
            
    me.select(me.value);
            }
        
            
    me.mon(picker.getSelectionModel(), {
            
    selectionChangeme.onListSelectionChange,
            
    scopeme
            
    });
        
            return 
    picker;
        }, 

  4. #4
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    Default //me.select(me.value.split(me.delimiter));

    //me.select(me.value.split(me.delimiter));


    Replacing this line as per the comment above did the trick.

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    Default


    I don't know enough to figure whether this is a brutish hack or an elegant bug fix.

    Why was the value being split in the first place?

    Michael

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    Default


    So probably cleaner to do it like this:


    Code:
            // Ensure the selected Models display as selected.
            if (me.value) {
                if ( typeof( me.value ) == 'number' ) {
                	me.select(me.value);
                } else {
                	me.select(me.value.split(me.delimiter));
                }
            }