[CLOSED] Need to Enable and Disable a button when clicked on the Treenode.

[Shanth]

Hi

Need to know who to Enable and Disable a button when clicked on the treenode of the treepanel.
what is the handler i need to use, and what is the paramenter to be passed.

<ext:Panel ID="Panel5" runat="server" Title="Center region">
                                    <Items>
                                        <ext:Menu runat="server" ShowSeparator="true" ID="CLCTreeMenu">
                                            <Items>
                                                <ext:MenuItem ID="CLCAdd" runat="server" Text="Add Node">
                                                    <Listeners>
                                                        <Click Handler="AddCLCNode();" />
                                                    </Listeners>
                                                </ext:MenuItem>
                                                <ext:MenuItem ID ="CLCCopy" runat ="server" Text="Copy Node Heirarchy">
                                                    <Listeners>
                                                        <Click Handler="CopyNodeHeirarchyCLC();" />
                                                    </Listeners>
                                                </ext:MenuItem>
                                                <ext:MenuItem ID="CLCDelete" runat="server" Text="Delete Node">
                                                    <Listeners>
                                                        <Click Handler="DeleteCLCNode();" />
                                                    </Listeners>
                                                </ext:MenuItem>
                                            </Items>
                                            <Listeners>
                                                <BeforeShow Handler="DisableMenuItem();" />
                                            </Listeners>
                                        </ext:Menu>
                                        <ext:TreePanel ID="CLCTreePanel" Height="600" Layout="Fit" Lines="true" runat="server"  
                                            UseArrows="false" AutoScroll="true" ContainerScroll="true" Border="false" RootVisible="true" >
                                             <Root>
                                                <ext:TreeNode Text="StoreRoom" Draggable="false" NodeID="0" Expanded="true" />
                                            </Root>
                                            <Listeners>
                                                <ContextMenu Handler="#{CLCTreeMenu}.node = node;node.select();#{CLCTreeMenu}.showAt(e.getXY());" />
                                            </Listeners>        
                                        </ext:TreePanel>
                                    </Items>
                                    <BottomBar>
                                        <ext:Toolbar ID="Toolbar1" runat="server" >
                                            <Items>
                                                <ext:ToolbarFill />
                                                <ext:Button runat="server" Text="Add Node" ID="btnCLCAddNode" Disabled="true">
                                                    <Listeners>
                                                        <Click Handler="AddCLCNode();" />
                                                    </Listeners>
                                                </ext:Button>
                                                <ext:Button runat ="server" Text ="Copy Node Heirarchy" ID="btnCLCCopyHeirarchy" Disabled="true">
                                                <Listeners>
                                                        <Click Handler="CopyNodeHeirarchyCLC();" />
                                                    </Listeners>
                                                </ext:Button>
                                                <ext:Button runat ="Server" Text ="Delete Node" ID="btnCLCDeleteNode" Disabled="true">
                                                <Listeners>
                                                        <Click Handler="DeleteCLCNode();" />
                                                    </Listeners>
                                                </ext:Button>
                                            </Items>
                                         </ext:Toolbar>
                                    </BottomBar>
                                </ext:Panel>

Thank you.

[Daniil]

Hi,

Please use the TreePanel's Click event.
http://dev.sencha.com/deploy/ext-3.4...l&member=click

To enable a button:

Button1.enable();

or

Button1.setDisabled(false);

To disable a button:

Button1.disable();

or

Button1.setDisabled(true);

[Shanth]

Thank You.......can close it