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19
20
21 package org.netbeans.modules.progress.ui;
22
23 import java.awt.Color  ;
24 import java.awt.Component ;
25 import java.awt.Dimension ;
26 import java.awt.Graphics ;
27 import java.awt.GridLayout ;
28 import java.awt.Insets ;
29 import java.awt.Toolkit ;
30 import java.awt.event.ActionEvent ;
31 import java.awt.event.KeyEvent ;
32 import java.util.HashSet ;
33 import java.util.Iterator ;
34 import javax.swing.AbstractAction ;
35 import javax.swing.Action ;
36 import javax.swing.BorderFactory ;
37 import javax.swing.JComponent ;
38 import javax.swing.JPanel ;
39 import javax.swing.JScrollPane ;
40 import javax.swing.KeyStroke ;
41 import javax.swing.border.Border ;
42 import org.netbeans.progress.spi.InternalHandle;
43
44
48 public class PopupPane extends JScrollPane {
49 private JPanel view;
50 private HashSet <ListComponent> listComponents;
51
52 private ListComponent selected;
53
54 public PopupPane() {
55 listComponents = new HashSet <ListComponent>();
56 view = new JPanel ();
57 GridLayout grid = new GridLayout (0, 1);
58 grid.setHgap(0);
59 grid.setVgap(0);
60 view.setLayout(grid);
61 view.setBorder(BorderFactory.createEmptyBorder());
62 setName("progresspopup"); setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
64 setViewportView(view);
65 setFocusable(true);
66 setRequestFocusEnabled(true);
67
68 Action down = new MoveDownAction();
69 getActionMap().put("Move-Down", down);
70 getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0), "Move-Down");
71 getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0), "Move-Down");
72
73 Action up = new MoveUpAction();
74 getActionMap().put("Move-Up", up);
75 getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0), "Move-Up");
76 getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0), "Move-Up");
77 Action cancel = new CancelAction();
78 getActionMap().put("Cancel-Task", cancel);
79 getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0), "Cancel-Task");
80 getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0), "Cancel-Task");
81
82 Action select = new SelectAction();
83 getActionMap().put("select-task", select);
84 getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0), "select-task");
85 getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0), "select-task");
86
87
88 setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
89 }
100
101 public void addListComponent(ListComponent lst) {
102 listComponents.add(lst);
103 if (view.getComponentCount() > 0) {
104 JComponent previous = (JComponent )view.getComponent(view.getComponentCount() - 1);
105 previous.setBorder(new BottomLineBorder());
106 }
107 lst.setBorder(BorderFactory.createEmptyBorder());
108 view.add(lst);
109 if (listComponents.size() > 3) {
110 setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
111 } else {
112 setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
113 }
114 }
115
116 public void removeListComponent(InternalHandle handle) {
117 Iterator it = listComponents.iterator();
118 while (it.hasNext()) {
119 ListComponent comp = (ListComponent)it.next();
120 if (comp.getHandle() == handle) {
121 view.remove(comp);
122 it.remove();
123 break;
124 }
125 }
126 if (listComponents.size() > 3) {
127 setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
128 } else {
129 setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
130 }
131 }
132
133 public Dimension getPreferredSize() {
134 int count = view.getComponentCount();
135 int height = count > 0 ? view.getComponent(0).getPreferredSize().height : 0;
136 int offset = count > 3 ? height * 3 + 5 : (count * height) + 5;
137 return new Dimension (count >3 ? ListComponent.ITEM_WIDTH + 22
139 : ListComponent.ITEM_WIDTH + 2, offset);
140 }
141
142
146 public void updateBoldFont(InternalHandle handle) {
147 Iterator it = listComponents.iterator();
148 while (it.hasNext()) {
149 ListComponent comp = (ListComponent)it.next();
150 comp.markAsActive(handle == comp.getHandle());
151 }
152 }
153
154
155
156 private static class BottomLineBorder implements Border {
157 private Insets ins = new Insets (0, 0, 1, 0);
158 private Color col = new Color (221, 229, 248);
159
160 public BottomLineBorder () {}
161
162 public Insets getBorderInsets(Component c) {
163 return ins;
164 }
165
166 public boolean isBorderOpaque() {
167 return false;
168 }
169
170 public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
171 Color old = g.getColor();
172 g.setColor(col);
173 g.drawRect(x, y + height - 2, width, 1);
174 g.setColor(old);
175 }
176 }
177
178 private int findIndex(Component comp) {
179 Component [] comps = view.getComponents();
180 for (int i = 0; i < comps.length; i++) {
181 if (comps[i] == comp) {
182 return i;
183 }
184 }
185 return -1;
186 }
187
188 public void requestFocus() {
189 super.requestFocus();
197 }
199
200 private class MoveDownAction extends AbstractAction {
201
202 MoveDownAction() {
203 }
204
205 public void actionPerformed(ActionEvent actionEvent) {
206 int index = -1;
207 if (selected != null) {
208 index = findIndex(selected);
209 }
210 index = index + 1;
211 if (index >= PopupPane.this.view.getComponentCount()) {
212 index = 0;
213 }
214 selected = (ListComponent)PopupPane.this.view.getComponent(index);
215 selected.requestFocus();
216 }
217
218 }
219
220 private class MoveUpAction extends AbstractAction {
221
222 MoveUpAction() {
223 }
224
225 public void actionPerformed(ActionEvent actionEvent) {
226 int index = PopupPane.this.view.getComponentCount();
227 if (selected != null) {
228 index = findIndex(selected);
229 }
231 index = index - 1;
232 if (index < 0) {
233 index = PopupPane.this.view.getComponentCount() - 1;
234 }
235 selected = (ListComponent)PopupPane.this.view.getComponent(index);
236 selected.requestFocus();
237 }
240 }
241
242 private class CancelAction extends AbstractAction {
243 public CancelAction () {}
244
245 public void actionPerformed(ActionEvent actionEvent) {
246 if (selected != null) {
247 Action act = selected.getCancelAction();
248 if (act != null) {
249 act.actionPerformed(actionEvent);
250 } else {
251 Toolkit.getDefaultToolkit().beep();
252 }
253 }
254 }
255 }
256
257 private class SelectAction extends AbstractAction {
258 public SelectAction () {}
259
260 public void actionPerformed(ActionEvent actionEvent) {
261 if (selected != null) {
262 selected.getHandle().requestExplicitSelection();
263 }
264 }
265 }
266
267 private class ViewAction extends AbstractAction {
268 public ViewAction () {}
269
270 public void actionPerformed(ActionEvent actionEvent) {
271 if (selected != null) {
272 selected.getHandle().requestView();
273 }
274 }
275 }
276
277 }
278 |
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