Adding Icons to JTree

[Nidi]

Hello...

Can any one help me out to slove this problem...

I am creating Jtree in a UI. I need to add same icons to one parent node and for different parent node, different icons. I used below code...

DefaultTreeCellRenderer renderer3 = new DefaultTreeCellRenderer();
renderer3.setLeafIcon(customLeafIcon);
tree3.setCellRenderer(renderer3);

After using this same icon is displaying for all parent node...:confused:

can any one tell me what is the mistake....

Thanks in advance
nidi
:)

[JosAH]

Hello...

Can any one help me out to slove this problem...

I am creating Jtree in a UI. I need to add same icons to one parent node and for different parent node, different icons. I used below code...

DefaultTreeCellRenderer renderer3 = new DefaultTreeCellRenderer();
renderer3.setLeafIcon(customLeafIcon);
tree3.setCellRenderer(renderer3);

After using this same icon is displaying for all parent node...:confused:

can any one tell me what is the mistake....

Thanks in advance
nidi
:)

Extend the DefaultTreeCellRenderer class and override the following method:

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

The second parameter is the current tree node object; according to its type you set a different icon using the setIcon( ... ) method (a renderer extends a JLabel so you can set their icon).

kind regards,

Jos

[Nidi]

Thank you Jos.... I will definitely try this method.... :)

[JosAH]

Thank you Jos.... I will definitely try this method.... :)

Good; a skeleton of the method you need to implement in your class looks like this:

public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus) {
			
	super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);

	// setIcon( ... ) according the the type of value

	return this;
}

kind regards,

Jos