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    Default Custom DataView store

    Custom DataView store


    I'd like a DataView to have 4 of the latest created items in a store. I'd like no other components that use the same store to be sorted or affected. I can of course select a store from the config options, but that will display all of the records.

    How can I load only 4 records into a dataview?

    I have tried to load a new sorted store into the dataview when the store load event fires, that didn't work...

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    Touch Premium Member BostonMerlin's Avatar
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    If you have multiple views sharing the same store, and you filter or sort that store, all views are effected. You must create a separate store for any view that needs a subset of a specific store.

    There are several ways to handle this... one way is to create a copy of the primary store (all records) then just filter the copy. In one of my projects I had a store with quite a bit of data in it. Several views needed to see this data slightly differently and they were all displayed on the screen at the same time as Widgets. What I did was create a function that I could call that would return a custom store copy based on params I passed into it. The function made a new store based on my primary store, filtered and sorted the store copy then returned it. I then assigned that store copy to as many views as necessary.

    Hope that helps
    John
    I love being a dad (5 & 7), flying airplanes (KBED) and writing code (spaghetti).
    BostonMerlin aka John Bond aka JB
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    That sure did help, and helped me better understand how to deal with various views and stores. Thanks a bunch!

    I did this:
    Code:
    var records = [];
    
    if(store.getData().length !== 0){
        
        store.sort('Created', 'DSC');
        
    	for(var i = 0; i<4; i++){
    		records.push(store.getData().items[i]);
    	}
    }
    
    
    var store2 = Ext.create('Ext.data.Store');
    
    
    store2.add(records);
    
    
    var hdv = this.getHomeDataView();
    
    
    if(hdv){
        hdv.setStore(store2);
    }

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    Touch Premium Member BostonMerlin's Avatar
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    Great! Make sure to mark as answered.

    John.
    I love being a dad (5 & 7), flying airplanes (KBED) and writing code (spaghetti).
    BostonMerlin aka John Bond aka JB
    See U @ SenchaCon '13

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