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1 package org.enhydra.jawe.xml.panels.tablesorting;
2
3 import java.awt.event.*;
4 import java.awt.event.MouseListener  ;
5 import java.awt.*;
6 import java.util.Vector ;
7 import javax.swing.*;
8 import javax.swing.table.*;
9 import javax.swing.table.TableColumnModel ;
10 import org.enhydra.jawe.xml.*;
11 import org.enhydra.jawe.xml.XMLElement;
12 import org.enhydra.jawe.xml.XMLElementDialog;
13 import org.enhydra.jawe.xml.panels.XMLTablePanel;
14 import java.net.*;
15
16 public class SortingTable extends JTable {
17
18 protected int sortedColIndex = -1;
19 protected boolean ascending = true;
20
21 XMLTablePanel owner;
22
23 public SortingTable(XMLTablePanel p,Vector data, Vector names) {
24 super(new SortingTableModel((XMLCollection)p.getOwner(),data, names));
25 this.owner=p;
26
27 JTableHeader h = getTableHeader();
28 h.setDefaultRenderer(new SHRenderer());
29 MouseListener ml=new MouseAdapter () {
30 public void mouseReleased(MouseEvent event) {
31 performSorting(event);
32 }
33 };
34
35 h.addMouseListener(ml);
36 }
37
38 public int getSortedColumnIndex() {
39 return sortedColIndex;
40 }
41
42 public boolean isSortedColumnAscending() {
43 return ascending;
44 }
45
46
47 public void performSorting (MouseEvent event) {
48 if(owner.getOwner().isReadOnly() && ((XMLCollection)owner.getOwner()).getOwner().isReadOnly()) return;
49 if (event==null && sortedColIndex==-1) return;
50
51 TableColumnModel colModel = getColumnModel();
52 int index = sortedColIndex;
53 if (event!=null) {
54 index = colModel.getColumnIndexAtX(event.getX());
55 }
56 int modelIndex = colModel.getColumn(index).getModelIndex();
57
58 SortingTableModel model = (SortingTableModel)getModel();
59
60 Object selEl=null;
61 int sr=getSelectedRow();
62 if (sr>=0) {
63 selEl=model.getValueAt(sr,0);
64 }
65
66 if (sortedColIndex == index && event!=null) {
67 ascending = !ascending;
68 }
69 sortedColIndex = index;
70
71 model.sortByColumn(modelIndex, ascending);
72 XMLCollection c=(XMLCollection)owner.getOwner();
73 int cs=c.size();
74 if (cs>0) {
75 c.toCollection().clear();
76 for (int i=0; i<cs; i++) {
77 Object el=model.getValueAt(i,0);
78 c.toCollection().add(el);
79 }
80 ((XMLElementDialog)owner.getDialog()).notifyListeners((XMLElement)model.getValueAt(0,0)); }
82
83 if (selEl!=null) {
84 try {
85 owner.setSelectedElement(selEl);
86 } catch (Exception ex) {}
87 }
88 update(getGraphics());
89 getTableHeader().update(getTableHeader().getGraphics());
90 }
91
92 static class SHRenderer extends DefaultTableCellRenderer {
93
94 static Icon NONSORTED = null;
95 static Icon ASCENDING = null;
96 static Icon DESCENDING = null;
97
98 static {
99 URL url = XMLUtil.getResource("ASCENDINGImage");
100 if ( url != null ) {
101 ASCENDING = new ImageIcon( url );
102 }
103 url = XMLUtil.getResource("DESCENDINGImage");
104 if ( url != null ) {
105 DESCENDING = new ImageIcon( url );
106 }
107 }
108
109 public SHRenderer() {
110 setHorizontalTextPosition(LEFT);
111 setHorizontalAlignment(CENTER);
112 }
113
114 public Component getTableCellRendererComponent(JTable table,
115 Object value,
116 boolean isSelected,
117 boolean hasFocus,
118 int row,
119 int col) {
120 int index = -1;
121 boolean ascending = true;
122 SortingTable sortTable = (SortingTable)table;
123 index = sortTable.getSortedColumnIndex();
124 ascending = sortTable.isSortedColumnAscending();
125
126 if (table != null) {
127 JTableHeader header = table.getTableHeader();
128 if (header != null) {
129 setForeground(header.getForeground());
130 setBackground(header.getBackground());
131 setFont(header.getFont());
132 }
133 }
134
135 Icon icon = null;
136 if (ascending) {
137 icon=ASCENDING;
138 } else {
139 icon=DESCENDING;
140 }
141
142 if (col==index) {
143 setIcon(icon);
144 } else {
145 setIcon(NONSORTED);
146 }
147
148 if (value==null) {
149 setText("");
150 } else {
151 setText(value.toString());
152 }
153
154 setBorder(UIManager.getBorder("TableHeader.cellBorder"));
155 return this;
156 }
157 }
158
159 }
160
161 |
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