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POjava swing - add color to my JTree node
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copied!<p>I have a created a following renderer which renders the JTree with checkboxes and I want to add different color and icon to different nodes. How do I do it? Please help me. Thank you in advance.</p> <pre><code>class CheckTreeCellRenderer extends JPanel implements TreeCellRenderer { private CheckTreeSelectionModel selectionModel; private TreeCellRenderer delegate; private TristateCheckBox checkBox = new TristateCheckBox("",null,true); public static final State NOT_SELECTED = new State(); public static final State SELECTED = new State(); public static final State DONT_CARE = new State(); public CheckTreeCellRenderer(TreeCellRenderer delegate, CheckTreeSelectionModel selectionModel) { this.delegate = delegate; this.selectionModel = selectionModel; setLayout(new BorderLayout()); setOpaque(false); checkBox.setState(Boolean.TRUE); revalidate(); checkBox.setOpaque(false); } public Component getTreeCellRendererComponent (JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) { Component renderer = delegate.getTreeCellRendererComponent (tree, value, selected, expanded, leaf, row, hasFocus); TreePath path = tree.getPathForRow(row); if(path!=null){ if(selectionModel.isPathSelected(path, true)) { checkBox.setState(Boolean.TRUE); } else { checkBox.setState (selectionModel.isPartiallySelected(path) ? null : Boolean.FALSE); } } setBackground(Color.pink); removeAll(); add(checkBox, BorderLayout.WEST); add(renderer, BorderLayout.CENTER); return this; } </code></pre> <p>}</p>

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