change icon in jtree

From:

Bumsys@gmail.com

Newsgroups:

comp.lang.java.programmer

Date:

Mon, 18 Feb 2008 02:36:25 -0800 (PST)

Message-ID:

<cf93a0e3-8e89-46ae-acd1-e36df262f6f9@e60g2000hsh.googlegroups.com>

private ActionListener changeFileIconLoadAction = new ActionListener()
{
        public void actionPerformed(final ActionEvent e) {
            getNameValueNode(true);
        }
    };

    private TreeCellRenderer filesLoadTreeCellRenderer = new
DefaultTreeCellRenderer() {

        public Component getTreeCellRendererComponent(final JTree
tree,
                final Object value, final boolean selected,
                final boolean expanded, final boolean leaf, final int
row,
                final boolean hasFocus) {
            super.getTreeCellRendererComponent(tree, value, selected,
expanded,
                    leaf, row, hasFocus);
            if (value.toString().equals(nameNode)) {
                setIcon(iconLoad);
                setText(valueNode);
            } else {
                for (int i = 0; i < treeRoot.getChildCount(); i++) {
                    DefaultMutableTreeNode parent =
(DefaultMutableTreeNode) treeRoot
                            .getChildAt(i);
                    if (((TreeFile)
parent.getUserObject()).toString().equals(
                            value.toString())) {
                        setText(((TreeFile)
parent.getUserObject()).getPath());
                    }
                    for (int j = 0; j < parent.getChildCount(); j++) {
                        DefaultMutableTreeNode node =
(DefaultMutableTreeNode) parent
                                .getChildAt(j);
                        TreeFile tf = (TreeFile) node.getUserObject();
                        String fileName = tf.getPath();
                        if (tf.toString().equals(value.toString())) {
                            setText(fileName);
                        }
                    }
                }
            }
            return this;
        }
    };

    private ActionListener changeFileIconNoLoadAction = new
ActionListener() {
        public void actionPerformed(final ActionEvent e) {
            getNameValueNode(false);
        }
    };

    private void getNameValueNode(boolean loading) {
        nameNode =
treeFiles.getLastSelectedPathComponent().toString();
        for (int i = 0; i < treeRoot.getChildCount(); i++) {
            DefaultMutableTreeNode parent = (DefaultMutableTreeNode)
treeRoot
                    .getChildAt(i);
            for (int j = 0; j < parent.getChildCount(); j++) {
                DefaultMutableTreeNode node = (DefaultMutableTreeNode)
parent
                        .getChildAt(j);
                TreeFile tf = (TreeFile) node.getUserObject();
                String fileName = tf.getPath();
                if (tf.toString().equals(

treeFiles.getLastSelectedPathComponent().toString())) {
                    valueNode = fileName;
                    if (loading) {

treeFiles.setCellRenderer(filesLoadTreeCellRenderer);
                    } else {

treeFiles.setCellRenderer(filesNoLoadTreeCellRenderer);
                    }
                }
            }
        }
    }

    private TreeCellRenderer filesNoLoadTreeCellRenderer = new
DefaultTreeCellRenderer() {

        public Component getTreeCellRendererComponent(final JTree
tree,
                final Object value, final boolean selected,
                final boolean expanded, final boolean leaf, final int
row,
                final boolean hasFocus) {
            super.getTreeCellRendererComponent(tree, value, selected,
expanded,
                    leaf, row, hasFocus);
            if (value.toString().equals(nameNode)) {
                setIcon(iconNotLoad);
                setText(valueNode);
            } else {
                for (int i = 0; i < treeRoot.getChildCount(); i++) {
                    DefaultMutableTreeNode parent =
(DefaultMutableTreeNode) treeRoot
                            .getChildAt(i);
                    if (((TreeFile)
parent.getUserObject()).toString().equals(
                            value.toString())) {
                        setText(((TreeFile)
parent.getUserObject()).getPath());
                    }
                    for (int j = 0; j < parent.getChildCount(); j++) {
                        DefaultMutableTreeNode node =
(DefaultMutableTreeNode) parent
                                .getChildAt(j);
                        TreeFile tf = (TreeFile) node.getUserObject();
                        String fileName = tf.getPath();
                        if (tf.toString().equals(value.toString())) {
                            setText(fileName);
                        }
                    }
                }
            }
            return this;
        }
    };
}

When I choose TreeCellRenderer filesLoadTreeCellRenderer the selected
node in jtree change icon, but if I choose TreeCellRenderer
filesNoLoadTreeCellRenderer the selected node in jtree change icon but
previously changings icon do not save. Why?