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19
20
21 package org.netbeans.modules.palette.ui;
22
23 import org.netbeans.modules.palette.Category;
24 import org.netbeans.modules.palette.CategoryListener;
25 import org.netbeans.modules.palette.Item;
26 import org.netbeans.modules.palette.Settings;
27 import org.netbeans.modules.palette.Utils;
28 import org.openide.util.Utilities;
29
30 import javax.swing.*;
31 import javax.swing.border.EmptyBorder  ;
32 import javax.swing.event.ListSelectionEvent ;
33 import javax.swing.event.ListSelectionListener ;
34 import java.awt.*;
35 import java.awt.event.MouseListener ;
36 import java.awt.event.MouseEvent ;
37 import java.awt.event.MouseAdapter ;
38
39
45 class CategoryDescriptor implements CategoryListener {
46 private PalettePanel palettePanel;
47 private Category category;
48 private JPanel wholePanel;
49 private CategoryButton categoryButton;
50 private CategoryList itemsList;
51 private DefaultListModel itemsListModel;
52 private boolean opened;
53 private boolean resetItems = true;
54 private Settings settings;
55
56 CategoryDescriptor( PalettePanel palettePanel, Category category ) {
57 assert palettePanel != null : "No palette panel"; assert category != null : "No category node"; this.palettePanel = palettePanel;
60 this.category = category;
61 this.settings = palettePanel.getSettings();
62 wholePanel = new JPanel() {
63 public void addNotify() {
64 super.addNotify();
65 CategoryDescriptor.this.category.addCategoryListener( CategoryDescriptor.this );
66 }
67 public void removeNotify() {
68 super.removeNotify();
69 CategoryDescriptor.this.category.removeCategoryListener( CategoryDescriptor.this );
70 }
71 };
72
73
74 wholePanel.setLayout (new GridBagLayout ());
75 wholePanel.setBorder (new EmptyBorder (0, 0, 0, 0));
76
77 MouseListener listener = createMouseListener();
78
79 categoryButton = new CategoryButton( this, category );
80 categoryButton.addMouseListener (listener);
81 GridBagConstraints gbc = new GridBagConstraints (0, 0, 1, 1, 1.0, 0.0, GridBagConstraints.NORTH, GridBagConstraints.HORIZONTAL, new Insets (1, 0, 0, 0), 0, 0);
82 wholePanel.add (categoryButton, gbc);
83
84 itemsList = new CategoryList( category, palettePanel );
85 itemsList.setModel (itemsListModel = new DefaultListModel ());
86 itemsList.setShowNames(palettePanel.getSettings().getShowItemNames());
87 itemsList.setIconSize(palettePanel.getSettings().getIconSize());
88 itemsList.addMouseListener (listener);
89 itemsList.addListSelectionListener (new ListSelectionListener () {
90 public void valueChanged (ListSelectionEvent e) {
91 CategoryDescriptor.this.palettePanel.select( CategoryDescriptor.this.category, (Item)itemsList.getSelectedValue ());
92 }
93 });
94 gbc = new GridBagConstraints (0, 1, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets (0, 0, 0, 0), 0, 0);
95 wholePanel.add (itemsList, gbc);
96 wholePanel.setFocusTraversalPolicy( new MyFocusTraversal( this ) );
97 doSetOpened( settings.isExpanded( category ) );
98 }
99
100 private MouseListener createMouseListener() {
101 return new MouseAdapter () {
102 public void mouseClicked(MouseEvent event) {
103 if (SwingUtilities.isRightMouseButton(event)) {
104 JComponent comp = (JComponent)event.getSource();
105 Item item = null;
106 if (comp instanceof JList) {
107 JList list = (JList)comp;
108 Point p = event.getPoint();
109 int index = list.locationToIndex(p);
110 if (index >= 0 && !list.getCellBounds(index, index).contains(p)) {
111 index = -1;
112 }
113 if (index >= 0) {
114 item = (Item)list.getModel().getElementAt(index);
115 }
116 }
117 Action[] actions = null == item ? category.getActions() : item.getActions();
118 JPopupMenu popup = Utilities.actionsToPopup( actions, getComponent() );
119 Utils.addCustomizationMenuItems( popup, getPalettePanel().getController(), getPalettePanel().getSettings() );
120 popup.show(comp, event.getX(), event.getY());
121 }
122 }
123 };
124 }
125
126 void refresh() {
127 categoryButton.updateProperties();
128 categoryButton.repaint ();
129 if( isOpened() && resetItems ) {
130 computeItems();
131 }
132 }
133
134 void computeItems() {
135 DefaultListModel newModel = new DefaultListModel();
136 Item[] items = category.getItems();
137 if( items != null ) {
138 for( int i=0; i<items.length; i++ ) {
139 if( settings.isVisible( items[i] ) ) {
140 newModel.addElement( items[i] );
141 }
142 }
143 }
144 itemsListModel = newModel;
145 itemsList.setModel( newModel );
146 resetItems = false;
147 }
148
149 void resetItems() {
150 resetItems = true;
151 }
152
153 Category getCategory () {
154 return category;
155 }
156
157 boolean isOpened() {
158 return opened;
159 }
160
161 boolean isSelected() {
162 return categoryButton.isFocusOwner() || itemsList.getSelectedIndex() >= 0;
163 }
164
165 void setSelectedItem( Item item ) {
166 if( itemsList.getSelectedValue () == item ) {
167 return;
168 }
169 if( item == null ) {
170 int selectedIndex = itemsList.getSelectedIndex ();
171 itemsList.removeSelectionInterval( selectedIndex, selectedIndex );
172 } else {
173 itemsList.setSelectedValue( item, true );
174 }
175 }
176
177 void setOpened( boolean b ) {
178 if( opened == b ) {
179 return;
180 }
181 doSetOpened( b );
182 settings.setExpanded( category, b );
183 }
184
185 private void doSetOpened( boolean b ) {
186 opened = b;
187 if( opened ) {
188 if( resetItems ) {
189 computeItems();
190 }
191 } else {
192 palettePanel.select( category, null );
193 }
194 itemsList.setVisible( opened );
195 categoryButton.setSelected( opened );
196 if( opened ) {
197 itemsList.ensureIndexIsVisible( 0 );
198 }
199 }
200
201 void setPositionY( int yPosition ) {
202 wholePanel.setLocation( 0, yPosition );
203 }
204
205 JComponent getComponent () {
206 return wholePanel;
207 }
208
209 int getPreferredHeight( int width ) {
210 return isOpened() ?
211 itemsList.getPreferredHeight( width ) + categoryButton.getPreferredSize().height :
212 categoryButton.getPreferredSize().height;
213 }
214
215 void setWidth( int width ) {
216 wholePanel.setSize( width, wholePanel.getHeight() );
217 }
218
219 void setShowNames( boolean showNames ) {
220 itemsList.setShowNames( showNames );
221 }
222
223 void setIconSize( int iconSize ) {
224 itemsList.setIconSize( iconSize );
225 }
226
227 void setItemWidth( int itemWidth ) {
228 itemsList.setFixedCellWidth( itemWidth );
229 }
230
231 PalettePanel getPalettePanel () {
232 return palettePanel;
233 }
234
235 public void categoryModified( Category category ) {
236 resetItems();
237 palettePanel.refresh ();
238 }
239
240 CategoryList getList() {
241 return itemsList;
242 }
243
244 CategoryButton getButton() {
245 return categoryButton;
246 }
247
248 private static class MyFocusTraversal extends FocusTraversalPolicy {
249 private CategoryDescriptor descriptor;
250 public MyFocusTraversal( CategoryDescriptor descriptor ) {
251 this.descriptor = descriptor;
252 }
253
254 public Component getComponentBefore(Container focusCycleRoot, Component aComponent) {
255 if( focusCycleRoot == descriptor.wholePanel && aComponent == descriptor.categoryButton )
256 return descriptor.itemsList;
257 return null;
258 }
259
260 public Component getComponentAfter(Container focusCycleRoot, Component aComponent) {
261 if( focusCycleRoot == descriptor.wholePanel && aComponent == descriptor.itemsList )
262 return descriptor.categoryButton;
263 return null;
264 }
265
266 public Component getLastComponent(Container focusCycleRoot) {
267 if( focusCycleRoot == descriptor.wholePanel )
268 return descriptor.itemsList;
269 return null;
270 }
271
272 public Component getFirstComponent(Container focusCycleRoot) {
273 if( focusCycleRoot == descriptor.wholePanel )
274 return descriptor.categoryButton;
275 return null;
276 }
277
278 public Component getDefaultComponent(Container focusCycleRoot) {
279 return getFirstComponent( focusCycleRoot );
280 }
281 }
282 }
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