package open.dolphin.stampbox;
import java.util.Enumeration;
import java.util.HashMap;
import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;
import open.dolphin.client.ClientContext;
import open.dolphin.client.LocalStampTreeNodeTransferable;
import open.dolphin.infomodel.ModuleInfoBean;
/**
* StmapTreeMenuBuilder
*
* @author Kazushi Minagawa
*/
public class StmapTreePopupBuilder {
private static final Icon icon = ClientContext.getImageIconArias("icon_foldr_small");
private HashMap<Object, JMenu> parents;
private JPopupMenu popup;
private DefaultMutableTreeNode rootNode;
public StmapTreePopupBuilder() {
}
public void build(StampTree stampTree, JPopupMenu popup, JComponent cmp, TransferHandler handler) {
if (parents == null) {
parents = new HashMap<>(10, 0.75f);
} else {
parents.clear();
}
this.popup = popup;
rootNode = (DefaultMutableTreeNode) stampTree.getModel().getRoot();
Enumeration e = rootNode.preorderEnumeration();
e.nextElement(); // consume root
while (e.hasMoreElements()) {
parseChildren((StampTreeNode) e.nextElement(), cmp, handler);
}
}
private void parseChildren(StampTreeNode node, JComponent comp, TransferHandler handler) {
if (!node.isLeaf()) {
JMenu subMenu = new JMenu(node.getUserObject().toString());
DefaultMutableTreeNode parentNode = (DefaultMutableTreeNode) node.getParent();
if (parentNode == rootNode) {
popup.add(subMenu);
} else {
JMenu parent = parents.get(node.getParent());
parent.add(subMenu);
}
parents.put(node, subMenu);
// 配下の子を全て列挙しJmenuItemにまとめる
JMenuItem item = new JMenuItem(node.getUserObject().toString());
item.setIcon(icon);
subMenu.add(item);
if (comp != null && handler != null) {
item.addActionListener(new TransferAction(comp, handler, new LocalStampTreeNodeTransferable(node)));
} else {
item.setEnabled(false);
}
} else {
ModuleInfoBean info = (ModuleInfoBean) node.getUserObject();
JMenuItem item = new JMenuItem(info.getStampName());
if (comp != null && handler != null) {
item.addActionListener(new TransferAction(comp, handler, new LocalStampTreeNodeTransferable(node)));
} else {
item.setEnabled(false);
}
DefaultMutableTreeNode parentNode = (DefaultMutableTreeNode) node.getParent();
if (parentNode == rootNode) {
popup.add(item);
} else {
JMenu parent = parents.get(node.getParent());
parent.add(item);
}
}
}
}