/**
* Returns tree cell renderer component.
*
* @param tree tree
* @param value cell value
* @param selected whether cell is selected or not
* @param expanded whether cell is expanded or not
* @param leaf whether cell is leaf or not
* @param row cell row number
* @param hasFocus whether cell has focus or not
* @return cell renderer component
*/
@Override
public Component getTreeCellRendererComponent(
final JTree tree,
final Object value,
final boolean selected,
final boolean expanded,
final boolean leaf,
final int row,
final boolean hasFocus) {
if (checkBoxTree.getCheckBoxVisible()) {
// Updating check state
checkBox.setEnabled(checkBoxTree.isCheckingByUserEnabled());
checkBox.setState(checkBoxTree.getCheckState((DefaultMutableTreeNode) value));
// Updating actual cell renderer
final TreeCellRenderer renderer = checkBoxTree.getActualRenderer();
add(
renderer.getTreeCellRendererComponent(
tree, value, selected, expanded, leaf, row, hasFocus),
BorderLayout.CENTER);
return this;
} else {
// Returning actual cell renderer
final TreeCellRenderer renderer = checkBoxTree.getActualRenderer();
return renderer.getTreeCellRendererComponent(
tree, value, selected, expanded, leaf, row, hasFocus);
}
}
/**
* Constructs new checkbox tree cell renderer.
*
* @param checkBoxTree checkbox tree to process
*/
public WebCheckBoxTreeCellRenderer(final WebCheckBoxTree checkBoxTree) {
super();
this.checkBoxTree = checkBoxTree;
setOpaque(false);
checkBox = new WebTristateCheckBox();
checkBox.setAnimated(false);
checkBox.setMargin(0, 4, 0, WebCheckBoxTreeStyle.checkBoxRendererGap);
add(checkBox, BorderLayout.LINE_START);
}
/** {@inheritDoc} */
@Override
public int getCheckBoxWidth() {
return checkBox.getPreferredSize().width;
}
/** {@inheritDoc} */
@Override
public void setCheckBoxRendererGap(final int checkBoxRendererGap) {
checkBox.getMargin().right = checkBoxRendererGap;
}
/** {@inheritDoc} */
@Override
public int getCheckBoxRendererGap() {
return checkBox.getMargin().right;
}