Examples of DefaultTreeCellRenderer

javax.swing.tree.DefaultTreeCellRenderer

oracle.com/javase/tutorial/uiswing/components/tree.html">How to Use Trees in The Java Tutorial for examples of customizing node display using this class.

The set of icons and colors used by {@code DefaultTreeCellRenderer}can be configured using the various setter methods. The value for each property is initialized from the defaults table. When the look and feel changes ( {@code updateUI} is invoked), any propertiesthat have a value of type {@code UIResource} are refreshed from thedefaults table. The following table lists the mapping between {@code DefaultTreeCellRenderer} property and defaults table key:

Property:	Key:
"leafIcon"	"Tree.leafIcon"
"closedIcon"	"Tree.closedIcon"
"openIcon"	"Tree.openIcon"
"textSelectionColor"	"Tree.selectionForeground"
"textNonSelectionColor"	"Tree.textForeground"
"backgroundSelectionColor"	"Tree.selectionBackground"
"backgroundNonSelectionColor"	"Tree.textBackground"
"borderSelectionColor"	"Tree.selectionBorderColor"

Implementation Note: This class overrides invalidate, validate, revalidate, repaint, and firePropertyChange solely to improve performance. If not overridden, these frequently called methods would execute code paths that are unnecessary for the default tree cell renderer. If you write your own renderer, take care to weigh the benefits and drawbacks of overriding these methods.

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 Rob Davis @author Ray Ryan @author Scott Violet

Examples of javax.swing.tree.DefaultTreeCellRenderer

                        0, 0, 0, 0), 0, 0));
        this.tabbedPane.addTab("Files", treeScrollPane);
        this.tabbedPane.addTab("Compare", this.comparePanel);
        this.treeScrollPane.getViewport().add(this.tree, null);


        this.tree.setCellRenderer(new DefaultTreeCellRenderer() {


            @Override
      public Component getTreeCellRendererComponent(JTree tree,
                    Object value, boolean sel, boolean expanded, boolean leaf,
                    int row, boolean hasFocus) {

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Examples of javax.swing.tree.DefaultTreeCellRenderer

    return null;
  }


  public void init() {
    getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
    DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) getCellRenderer();
    setCellRenderer(new BrowserTreeCellRenderer());


    //
    // Keep up to date with whats clicked when....

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Examples of javax.swing.tree.DefaultTreeCellRenderer

    constraints.weightx = 0;
    panelTOC.add(toolbarButtons, constraints);
    constraints.gridx++;


    // Tree node renderer
    DefaultTreeCellRenderer rendererToc = new DefaultTreeCellRenderer();
    rendererToc.setLeafIcon(rendererToc.getClosedIcon());


    // Table of contents Tree
    MWPaneTitleTreeNode rootToc = new MWPaneTitleTreeNode(null);
    modelToc = new DefaultTreeModel(rootToc);
    treeToc = new JTree(modelToc);

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Examples of javax.swing.tree.DefaultTreeCellRenderer

                "Components"));
        this.tree = new JTree(this.treeModel);


        // Add a tool tip.
        ToolTipManager.sharedInstance().registerComponent(this.tree);
        DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer() {
            @Override
            public java.awt.Component getTreeCellRendererComponent(JTree t,
                    Object value, boolean sel, boolean expanded, boolean leaf,
                    int row, boolean focus) {
                super.getTreeCellRendererComponent(t, value, sel, expanded,
                        leaf, row, focus);


                ComponentTreeNode node = (ComponentTreeNode) value;
                if (node.getComponentReference() == null) {
                    setToolTipText(null);
                } else {
                    setToolTipText("Drag a component to the composer to add");
                }
                return this;
            }
        };


        // Change icons
        try {
            renderer.setOpenIcon(SwingUtil.createImageIcon("opened.gif"));
            renderer.setClosedIcon(SwingUtil.createImageIcon("closed.gif"));
            renderer.setLeafIcon(SwingUtil.createImageIcon("leaf.gif"));
        } catch (RuntimeException e) {
            logger.warning("Failed to load image icons.  "
                    + "It will use the default icons instead.", e);
        }

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Examples of javax.swing.tree.DefaultTreeCellRenderer

     * Create the tree cell renderer used to draw the nodes in the test tree.
     * 
     * @return a renderer to draw the test tree nodes
     */
    protected TreeCellRenderer getCellRenderer() {
        DefaultTreeCellRenderer rend = new ReportCellRenderer();
        rend.setFont(new Font("Dialog", Font.PLAIN, 11));
        return rend;
    }

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Examples of javax.swing.tree.DefaultTreeCellRenderer

    protected CellRendererPane createCellRendererPane() {
        return new CellRendererPane();
    }


    protected TreeCellEditor createDefaultCellEditor() {
        DefaultTreeCellRenderer renderer = currentCellRenderer instanceof DefaultTreeCellRenderer
            ? (DefaultTreeCellRenderer)currentCellRenderer
            : null;


        return new DefaultTreeCellEditor(tree, renderer);
    }

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Examples of javax.swing.tree.DefaultTreeCellRenderer


        return new DefaultTreeCellEditor(tree, renderer);
    }


    protected TreeCellRenderer createDefaultCellRenderer() {
        return new DefaultTreeCellRenderer();
    }

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Examples of javax.swing.tree.DefaultTreeCellRenderer

  
    prefTree.setModel(createTreeModel());
    
    prefTree.setRootVisible(false);
  
    DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer();
    renderer.setLeafIcon(ChainsawIcons.ICON_PREFERENCES);
    prefTree.setCellRenderer(renderer);
  
    final JScrollPane treeScroll = new JScrollPane(prefTree);
  
    treeScroll.setPreferredSize(new Dimension(200, 240));

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Examples of javax.swing.tree.DefaultTreeCellRenderer

            boolean isLeaf;
            Rectangle rowBounds = new Rectangle(0, 0, tree.getWidth(),0);
            Rectangle bounds;
            TreePath path;
            TreeCellRenderer renderer = tree.getCellRenderer();
            DefaultTreeCellRenderer dtcr = (renderer instanceof
                       DefaultTreeCellRenderer) ? (DefaultTreeCellRenderer)
                       renderer : null;


            configureRenderer(cellContext);
            while (!done && paintingEnumerator.hasMoreElements()) {

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Examples of javax.swing.tree.DefaultTreeCellRenderer


    private void configureRenderer(SynthContext context) {
        TreeCellRenderer renderer = tree.getCellRenderer();


        if (renderer instanceof DefaultTreeCellRenderer) {
            DefaultTreeCellRenderer r = (DefaultTreeCellRenderer)renderer;
            SynthStyle style = context.getStyle();


            context.setComponentState(ENABLED | SELECTED);
            Color color = r.getTextSelectionColor();
            if (color == null || (color instanceof UIResource)) {
                r.setTextSelectionColor(style.getColor(
                                     context, ColorType.TEXT_FOREGROUND));
            }
            color = r.getBackgroundSelectionColor();
            if (color == null || (color instanceof UIResource)) {
                r.setBackgroundSelectionColor(style.getColor(
                                        context, ColorType.TEXT_BACKGROUND));
            }


            context.setComponentState(ENABLED);
            color = r.getTextNonSelectionColor();
            if (color == null || color instanceof UIResource) {
                r.setTextNonSelectionColor(style.getColorForState(
                                        context, ColorType.TEXT_FOREGROUND));
            }
            color = r.getBackgroundNonSelectionColor();
            if (color == null || color instanceof UIResource) {
                r.setBackgroundNonSelectionColor(style.getColorForState(
                                  context, ColorType.TEXT_BACKGROUND));
            }
        }
    }

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