Examples of javax.swing.event.TreeExpansionEvent

javax.swing.event.TreeExpansionEvent
oracle.com/javase/tutorial/uiswing/events/treeexpansionlistener.html">How to Write a Tree Expansion Listener and How to Write a Tree-Will-Expand Listener.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see {@link java.beans.XMLEncoder}. @author Scott Violet

    /**
     * @param event
     * @return
     */
    private TreeExpansionEvent retarget(TreeExpansionEvent event) {
        return new TreeExpansionEvent(source, event.getPath());
    }

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        TreeExpansionListener[] listeners = getTreeExpansionListeners();
        if (listeners.length == 0) {
            return;
        }


        TreeExpansionEvent event = new TreeExpansionEvent(this, path);
        for (int i = 0; i < listeners.length; i++) {
            listeners[i].treeCollapsed(event);
        }
    }

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        TreeWillExpandListener[] listeners = getTreeWillExpandListeners();
        if (listeners.length == 0) {
            return;
        }


        TreeExpansionEvent event = new TreeExpansionEvent(this, path);
        for (int i = 0; i < listeners.length; i++) {
            listeners[i].treeWillExpand(event);
        }
    }

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        TreeWillExpandListener[] listeners = getTreeWillExpandListeners();
        if (listeners.length == 0) {
            return;
        }


        TreeExpansionEvent event = new TreeExpansionEvent(this, path);
        for (int i = 0; i < listeners.length; i++) {
            listeners[i].treeWillCollapse(event);
        }
    }

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        super(name);
    }


    @Override
    protected void setUp() throws Exception {
        event = new TreeExpansionEvent(this, new TreePath("path"));
    }

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        super(name);
    }


    @Override
    protected void setUp() throws Exception {
        event = new TreeExpansionEvent(this, new TreePath("path"));
    }

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    public void fireTreeExpanded(TreePath path) {
        TreeExpansionListener[] listeners = getTreeExpansionListeners();
        if (listeners.length == 0) {
            return;
        }
        TreeExpansionEvent event = new TreeExpansionEvent(this, path);
        for (TreeExpansionListener element : listeners) {
            element.treeExpanded(event);
        }
    }

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    public void fireTreeCollapsed(TreePath path) {
        TreeExpansionListener[] listeners = getTreeExpansionListeners();
        if (listeners.length == 0) {
            return;
        }
        TreeExpansionEvent event = new TreeExpansionEvent(this, path);
        for (TreeExpansionListener element : listeners) {
            element.treeCollapsed(event);
        }
    }

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    public void fireTreeWillExpand(TreePath path) throws ExpandVetoException {
        TreeWillExpandListener[] listeners = getTreeWillExpandListeners();
        if (listeners.length == 0) {
            return;
        }
        TreeExpansionEvent event = new TreeExpansionEvent(this, path);
        for (TreeWillExpandListener element : listeners) {
            element.treeWillExpand(event);
        }
    }

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    public void fireTreeWillCollapse(TreePath path) throws ExpandVetoException {
        TreeWillExpandListener[] listeners = getTreeWillExpandListeners();
        if (listeners.length == 0) {
            return;
        }
        TreeExpansionEvent event = new TreeExpansionEvent(this, path);
        for (TreeWillExpandListener element : listeners) {
            element.treeWillCollapse(event);
        }
    }

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