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package swing.tests;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import javax.swing.DefaultListCellRenderer;
import javax.swing.DefaultListModel;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.ListModel;
import javax.swing.UIManager;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.DefaultTreeModel;
public class MyPalette {
private JTree tree;
private Color listSelectionBackground = UIManager.getDefaults().getColor("List.selectionBackground");
private Color listBackground = UIManager.getDefaults().getColor("List.background");
private int mouseOver = -1;
public MyPalette() {
DefaultMutableTreeNode root = new DefaultMutableTreeNode();
DefaultMutableTreeNode cat1 = new DefaultMutableTreeNode("Category 1");
DefaultMutableTreeNode cat2 = new DefaultMutableTreeNode("Category 2");
List<ImageIcon> icons = new ArrayList<ImageIcon>();
File f = new File("thumbs");
File[] ic = f.listFiles();
System.out.println(f.getPath());
System.out.println(f.getAbsolutePath());
System.out.println(f.listFiles().length);
DefaultListModel model1 = new DefaultListModel();
DefaultListModel model2 = new DefaultListModel();
for (File tmp : ic) {
model1.addElement(new ImageIcon(MyPalette.class.getResource("/thumbs/" + tmp.getName())));
model2.addElement(new ImageIcon(MyPalette.class.getResource("/thumbs/" + tmp.getName())));
}
cat1.add(new DefaultMutableTreeNode(model1));
cat2.add(new DefaultMutableTreeNode(model2));
root.add(cat1);
root.add(cat2);
tree = new JTree(new DefaultTreeModel(root));
tree.setRootVisible(false);
tree.putClientProperty("JTree.lineStyle", "None");
tree.setCellRenderer(new MyDelegateRenderer());
}
public Component getComponent() {
return tree;
}
class MyDelegateRenderer extends DefaultTreeCellRenderer {
private TreeHeaderRenderer headerRenderer;
private ListTreeRenderer listRenderer;
public MyDelegateRenderer() {
headerRenderer = new TreeHeaderRenderer();
headerRenderer.setLeafIcon(null);
headerRenderer.setClosedIcon(null);
headerRenderer.setOpenIcon(null);
listRenderer = new ListTreeRenderer();
}
/*
@Override
public Dimension getPreferredSize() {
Dimension size = super.getPreferredSize();
size.width = Short.MAX_VALUE;
return size;
}
@Override
public void setBounds(final int x, final int y, final int width, final int height) {
super.setBounds(x, y, Math.min(tree.getWidth() - x, width), height);
}*/
@Override
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
System.out.println("classe : "+node.getUserObject().getClass().getName());
System.out.println("prof : "+node.getDepth());
if(node.getUserObject().getClass() == String.class ) {
return headerRenderer.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
} else if (node.getUserObject().getClass() == DefaultListModel.class) {
return listRenderer.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
} else {
return super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
}
}
}
class TreeHeaderRenderer extends DefaultTreeCellRenderer {
/* @Override
public Dimension getPreferredSize() {
Dimension size = super.getPreferredSize();
size.width = Short.MAX_VALUE;
return size;
}
@Override
public void setBounds(final int x, final int y, final int width, final int height) {
super.setBounds(x, y, Math.min(tree.getWidth() - x, width), height);
}*/
@Override
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus) {
// TODO Auto-generated method stub
return super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
}
}
class ListTreeRenderer extends DefaultTreeCellRenderer {
/*@Override
public Dimension getPreferredSize() {
Dimension size = super.getPreferredSize();
size.width = Short.MAX_VALUE;
return size;
}
@Override
public void setBounds(final int x, final int y, final int width, final int height) {
super.setBounds(x, y, Math.min(tree.getWidth() - x, width), height);
}*/
private JList list;
public ListTreeRenderer() {
list = new JList();
list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
list.addMouseMotionListener(new MouseMotionAdapter() {
public void mouseMoved(MouseEvent e) {
mouseOver = list.locationToIndex(new Point(e.getX(), e.getY()));
repaint();
}
});
list.addMouseListener(new MouseAdapter() {
public void mouseExited(MouseEvent e) {
mouseOver = -1;
repaint();
}
});
}
@Override
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
list.setModel((ListModel) node.getUserObject());
return list;
}
}
class ListInternalRenderer extends DefaultListCellRenderer {
private JLabel label;
public ListInternalRenderer() {
label = new JLabel();
label.setOpaque(true);
}
@Override
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
label.setIcon((ImageIcon) value);
Component addHighlight = label;
Color bgColor = null;
if (index == mouseOver && !isSelected)
bgColor = Color.YELLOW;
else if (isSelected)
bgColor = listSelectionBackground;
else
bgColor = listBackground;
/**
* Necessary if this is a container object
*/
addHighlight.setBackground(bgColor);
if (addHighlight instanceof Container) {
Component[] children = ((Container) addHighlight).getComponents();
for (int ii = 0; (children != null) && (ii > children.length); ii++) {
children[ii].setBackground(bgColor);
}
}
return addHighlight;
}
}
public static void main(String[] args) {
JFrame f = new JFrame();
MyPalette palette = new MyPalette();
f.add(new JScrollPane(palette.getComponent()));
f.setSize(400,300);
f.setLocationRelativeTo(null);
f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
f.setVisible(true);
}
} |
