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1
11 package org.eclipse.debug.internal.ui.actions;
12
13 import java.util.ArrayList  ;
14 import java.util.HashMap ;
15 import java.util.Iterator ;
16 import java.util.List ;
17 import java.util.Map ;
18
19 import org.eclipse.debug.internal.ui.DebugUIPlugin;
20 import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
21 import org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentation;
22 import org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer;
23 import org.eclipse.jface.action.Action;
24 import org.eclipse.jface.resource.ImageDescriptor;
25 import org.eclipse.jface.viewers.IStructuredContentProvider;
26 import org.eclipse.jface.viewers.LabelProvider;
27 import org.eclipse.jface.viewers.Viewer;
28 import org.eclipse.jface.window.Window;
29 import org.eclipse.swt.graphics.Image;
30 import org.eclipse.ui.PlatformUI;
31 import org.eclipse.ui.dialogs.ListSelectionDialog;
32 import org.eclipse.ui.texteditor.IUpdate;
33
34
39 public class ConfigureColumnsAction extends Action implements IUpdate {
40
41 private TreeModelViewer fViewer;
42
43 class ColumnContentProvider implements IStructuredContentProvider {
44
45
48 public Object [] getElements(Object inputElement) {
49 return ((IColumnPresentation)inputElement).getAvailableColumns();
50 }
51
52
55 public void dispose() {
56 }
57
58
61 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
62 }
63
64 }
65
66 class ColumnLabelProvider extends LabelProvider {
67
68 private Map fImages = new HashMap ();
69
70 public Image getImage(Object element) {
71 ImageDescriptor imageDescriptor = fViewer.getColumnPresentation().getImageDescriptor((String )element);
72 if (imageDescriptor != null) {
73 Image image = (Image) fImages.get(imageDescriptor);
74 if (image == null) {
75 image = imageDescriptor.createImage();
76 fImages.put(imageDescriptor, image);
77 }
78 return image;
79 }
80 return null;
81 }
82
83 public String getText(Object element) {
84 return fViewer.getColumnPresentation().getHeader((String )element);
85 }
86
87 public void dispose() {
88 super.dispose();
89 Iterator iterator = fImages.values().iterator();
90 while (iterator.hasNext()) {
91 Image image = (Image) iterator.next();
92 image.dispose();
93 }
94 fImages.clear();
95 }
96
97
98
99 }
100
101 public ConfigureColumnsAction(TreeModelViewer viewer) {
102 setText(ActionMessages.ConfigureColumnsAction_0);
103 setId(DebugUIPlugin.getUniqueIdentifier() + ".ConfigureColumnsAction"); PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugHelpContextIds.CONFIGURE_COLUMNS_ACTION);
105 fViewer = viewer;
106 }
107
108
111 public void update() {
112 setEnabled(fViewer.isShowColumns());
113 }
114
115
118 public void run() {
119 ListSelectionDialog dialog = new ListSelectionDialog(
120 fViewer.getControl().getShell(),
121 fViewer.getColumnPresentation(),
122 new ColumnContentProvider(),
123 new ColumnLabelProvider(),
124 ActionMessages.ConfigureColumnsAction_1);
125 PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugHelpContextIds.CONFIGURE_COLUMNS_DIALOG);
126 String [] visibleColumns = fViewer.getVisibleColumns();
127 List initialSelection = new ArrayList (visibleColumns.length);
128 for (int i = 0; i < visibleColumns.length; i++) {
129 initialSelection.add(visibleColumns[i]);
130 }
131 dialog.setTitle(ActionMessages.ConfigureColumnsAction_2);
132 dialog.setInitialElementSelections(initialSelection);
133 if (dialog.open() == Window.OK) {
134 Object [] result = dialog.getResult();
135 if (result.length == 0) {
136 fViewer.setShowColumns(false);
137 } else {
138 String [] ids = new String [result.length];
139 System.arraycopy(result, 0, ids, 0, result.length);
140 fViewer.resetColumnSizes(ids);
141 fViewer.setVisibleColumns(ids);
142 }
143 }
144
145 }
146
147 }
148 |
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