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    Looks like we can't reproduce the issue or there's a problem in the test case provided.
  1. #21
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    Quote Originally Posted by batman3000 View Post
    If this is so "simple", then how do you add a grid/tree panel as picker that properly handles key events?

    Just overriding createPicker() results in a grid panel whose rows can only be selected with the mouse
    I hope that fixed it in correct way )
    few hours of trying, it is first time for me, that i am getting so deep in Ext
    we need to add overriding of 'onExpand', but i realy don't know what in that method is important, so i add there all i found in ComboBox.js and other component that i use Ext.ux.form.field.BoxSelect but now it works for me, if some one can correct my code, would be nice )

    Code:
        onExpand: function() {
            var me = this,
                keyNav = me.listKeyNav,
                selectOnTab = me.selectOnTab,
                picker = me.getPicker();
    
    
            // Handle BoundList navigation from the input field. Insert a tab listener specially to enable selectOnTab.
            keyNav = me.listKeyNav = keyNav = new Ext.util.KeyNav(this.inputEl, {
                scope: picker,
                up: function() {
                    if(this.coursorPosition == null || this.coursorPosition == 0){
                        this.coursorPosition = this.getStore().count()-1;
                    }
                    this.coursorPosition = this.coursorPosition-1;
                    var selModel = this.getSelectionModel();
                    selModel.select(this.coursorPosition);
                    this.getView().getNode(this.coursorPosition).scrollIntoView();
                },
                down: function() {
                    if(this.coursorPosition == null || this.coursorPosition == this.getStore().count()-1){
                        this.coursorPosition = 0;
                    }
                    this.coursorPosition = this.coursorPosition+1;
                    var selModel = this.getSelectionModel();
                    selModel.select(this.coursorPosition);
                    this.getView().getNode(this.coursorPosition).scrollIntoView();
                }
            });
    
    
            // While list is expanded, stop tab monitoring from Ext.form.field.Trigger so it doesn't short-circuit selectOnTab
            if (selectOnTab) {
                me.ignoreMonitorTab = true;
            }
    
    
            Ext.defer(keyNav.enable, 1, keyNav); //wait a bit so it doesn't react to the down arrow opening the picker
            me.inputEl.focus();
    
    
            if (keyNav || !me.filterPickList) {
                return;
            }
            keyNav = me.listKeyNav;
            keyNav.highlightAt = function(index) {
                var boundList = this.boundList,
                    item = boundList.all.item(index),
                    len = boundList.all.getCount(),
                    direction;
    
    
                if (item && item.hasCls('x-boundlist-selected')) {
                    if ((index == 0) || !boundList.highlightedItem || (boundList.indexOf(boundList.highlightedItem) < index)) {
                        direction = 1;
                    } else {
                        direction = -1;
                    }
                    do {
                        index = index + direction;
                        item = boundList.all.item(index);
                    } while ((index > 0) && (index < len) && item.hasCls('x-boundlist-selected'));
    
    
                    if (item.hasCls('x-boundlist-selected')) {
                        return;
                    }
                }
    
    
                if (item) {
                    item = item.dom;
                    boundList.highlightItem(item);
                    boundList.getTargetEl().scrollChildIntoView(item, false);
                }
            };
        }

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    I have implemented this code but when i am starting to write in combo i get error like 'Uncaught TypeError: Object [object Object] has no method 'refresh 'I am using Extjs 4.1.3 mvc..
    What to do now??

  3. #23
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    For what it's worth, I've gone with my own implementation of this concept. I've put the code on GitHub, and made some examples visible online.

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