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Java > Open Source Codes > org > enhydra > jawe > misc > PackageTreePanel


1 /* XMLTreePanel.java
2  *
3  * Authors:
4  * Stefanovic Nenad chupo@iis.ns.ac.yu
5  * Bojanic Sasa sasaboy@neobee.net
6  * Puskas Vladimir vpuskas@eunet.yu
7  * Pilipovic Goran zboniek@uns.ac.yu
8  *
9  */
10
11
12 package org.enhydra.jawe.misc;
13
14 import org.enhydra.jawe.*;
15 import org.enhydra.jawe.xml.*;
16 import org.enhydra.jawe.xml.panels.*;
17
18 import java.util.*;
19 import java.net.URL JavaDoc;
20 import javax.swing.*;
21 import javax.swing.tree.*;
22 import javax.swing.event.*;
23 import java.awt.*;
24
25 /**
26 * Creates a tree panel.
27 */
28 public class PackageTreePanel extends XMLPanel {
29
30    private static Dimension treeDimension=new Dimension(300,300);
31
32    private PackageEditor packageEditor;
33
34    public PackageTreePanel (
35          org.enhydra.jawe.xml.elements.Package myOwner,
36          PackageEditor pkgEditor,String JavaDoc title,boolean hasBorder) {
37
38       super(myOwner,2,title,XMLPanel.BOX_LAYOUT,true,hasBorder);
39
40       this.packageEditor=pkgEditor;
41
42       // creating a tree which do not allow cell editing
43 DefaultTreeModel model;
44       model=myOwner.getTreeModel();
45
46       final JTree allItems=new JTree(model) {
47          public boolean isCellEditable(int row, int col) {
48             return false;
49          }
50       };
51
52       // setting some tree properties
53 allItems.getSelectionModel().setSelectionMode
54          (TreeSelectionModel.SINGLE_TREE_SELECTION);
55       allItems.setRootVisible(true);
56       DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer();
57       allItems.setCellRenderer(renderer);
58
59       // creates panel
60 JScrollPane allItemsPane=new JScrollPane();
61       allItemsPane.setViewportView(allItems);
62       allItemsPane.setPreferredSize(treeDimension);
63
64       add(allItemsPane);
65       add(Box.createVerticalGlue());
66
67       allItems.addTreeSelectionListener(new TreeSelectionListener() {
68          public void valueChanged(TreeSelectionEvent e) {
69             DefaultMutableTreeNode node = (DefaultMutableTreeNode)
70                allItems.getLastSelectedPathComponent();
71             if (node == null) return;
72
73             org.enhydra.jawe.xml.elements.Package pkg=
74                (org.enhydra.jawe.xml.elements.Package)
75                   node.getUserObject();
76             packageEditor.displayPackage(pkg);
77          }
78       });
79       refreshPackageTreePanel();
80    }
81
82    public void refreshPackageTreePanel () {
83       JTree jt=getTree();
84       jt.setBackground(Utils.getColor(JaWEConfig.getInstance().getBackgroundColor()));
85       DefaultTreeCellRenderer dtcr=(DefaultTreeCellRenderer)jt.getCellRenderer();
86       dtcr.setBackground(Utils.getColor(JaWEConfig.getInstance().getBackgroundColor()));
87       dtcr.setBackgroundNonSelectionColor(Utils.getColor(JaWEConfig.getInstance().getBackgroundColor()));
88    }
89
90    public JTree getTree () {
91       JScrollPane jsp=(JScrollPane)getComponent(0);
92       JViewport jvp=(JViewport)jsp.getComponent(0);
93       JTree jt=(JTree)jvp.getComponent(0);
94       return jt;
95    }
96
97 }
98
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