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Home/ Questions/Q 8247607
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Editorial Team
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Editorial Team
Asked: June 7, 20262026-06-07T22:54:20+00:00 2026-06-07T22:54:20+00:00

i have a problem with a clickhandler which is part of a widget in

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i have a problem with a clickhandler which is part of a widget in a treeitem.

If i clicked firstime on this widget, the handler from the treeItem gets fired. If i clicked on this widget a second time both handler are fired.

Is there a way to deactive the treehandler for one TreeItem?
I’ve the following code:

TreeItem subTree= new TreeItem(type.toString());
        ....
            HorizontalPanel panel= new HorizontalPanel();
            panel.setWidth("200px");
            Label folderLabel= new Label(folder);
            folderLabel.setWidth("200px");
            panel.add(folderLabel);
            Image choosen= new ChooseFolderImage(type, folder);
            choosen.setSize("20px", "20px");
            panel.add(choosen);
            choosen.addHandler(handler, ClickEvent.getType());
            subTree.addItem(panel);
        ....
        rootTree.addItem(subTree);

greetings,
destiny

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  1. Editorial Team
    Editorial Team
    2026-06-07T22:54:22+00:00Added an answer on June 7, 2026 at 10:54 pm

    Actually I did the following:

    1. I created a new GWT project
    2. I copy pasted your code in my onModuleLoad() method in my class
      which extends EntryPoint
    3. I ran the project

    It perfectly works fine, there must be some other erroneous place of your code.

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