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    Default Why new nodes are registered by their internalId's only ?

    Why new nodes are registered by their internalId's only ?


    I was investigating some bug that appeared after switching from 4.1.3 to 4.2 regarding Tree structures, and I've found this change in the source:

    4.1.3
    Code:
        registerNode : function(node, includeChildren) {
            var me = this;
    
            me.nodeHash[node.getId() || node.internalId] = node;
            (...)
        }
    4.2
    Code:
        registerNode : function(node, includeChildren) {
            var me = this,
                children, length, i;
    
            me.nodeHash[node.internalId] = node;
            (...)
        },
    I'm wondering what is the advantage of the second approach ? In this case finding nodes by Id's won't work anymore. What if I'm adding a node with know Id and I want to reference it after adding to the structure ? I'm not considering this a bug but rather I'm interested what was the idea behind this change.
    Using ExtGantt / ExtScheduler from Bryntum ? I can help you integrate and implement it.

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    Default


    I think we were moving to have 2 maps, one for internal id and the other for user defined but I have opened a bug in our bug tracker to make sure this gets look at.

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    Default


    The internalId of a model will be set appropriately if you pass an id to it:

    Code:
    Ext.define('Foo', {
        extend: 'Ext.data.Model',
        
        fields: ['id', 'name']    
    });
    
    Ext.onReady(function(){
        
        var a = new Foo({
            id: 1
        });
        
        var b = new Foo();
        
        console.log(a.internalId, b.internalId);
        // Logs 1 "ext-record-1" 
    });
    There's also code to handle the id on the model being changed so it can notify any interested parties, which will be part of the next release.
    Evan Trimboli
    Sencha Developer
    Twitter - @evantrimboli
    Don't be afraid of the source code!

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