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1
11 package org.eclipse.debug.internal.ui.actions;
12
13
14 import java.lang.reflect.InvocationTargetException  ;
15 import java.util.ArrayList ;
16 import java.util.Iterator ;
17 import java.util.List ;
18
19 import org.eclipse.core.runtime.IProgressMonitor;
20 import org.eclipse.core.runtime.SubProgressMonitor;
21 import org.eclipse.debug.internal.ui.DebugUIPlugin;
22 import org.eclipse.debug.internal.ui.viewers.AsynchronousTreeViewer;
23 import org.eclipse.debug.internal.ui.viewers.ILabelResult;
24 import org.eclipse.debug.ui.IDebugView;
25 import org.eclipse.jface.action.IAction;
26 import org.eclipse.jface.dialogs.MessageDialog;
27 import org.eclipse.jface.dialogs.ProgressMonitorDialog;
28 import org.eclipse.jface.operation.IRunnableWithProgress;
29 import org.eclipse.jface.viewers.ContentViewer;
30 import org.eclipse.jface.viewers.ISelection;
31 import org.eclipse.swt.SWTError;
32 import org.eclipse.swt.dnd.Clipboard;
33 import org.eclipse.swt.dnd.DND;
34 import org.eclipse.swt.dnd.TextTransfer;
35 import org.eclipse.swt.dnd.Transfer;
36 import org.eclipse.swt.widgets.Control;
37 import org.eclipse.swt.widgets.Tree;
38 import org.eclipse.swt.widgets.TreeItem;
39
40 public class CopyToClipboardActionDelegate extends AbstractDebugActionDelegate {
41
42 private ContentViewer fViewer;
43 private static final String TAB = "\t"; private static final String EMPTY_STRING = ""; private static final String SEPARATOR = "line.separator";
47
50 protected boolean initialize(IAction action, ISelection selection) {
51 if (!isInitialized()) {
52 IDebugView adapter= (IDebugView)getView().getAdapter(IDebugView.class);
53 if (adapter != null) {
54 if (adapter.getViewer() instanceof ContentViewer) {
55 setViewer((ContentViewer) adapter.getViewer());
56 }
57 adapter.setAction(getActionId(), action);
58 }
59 return super.initialize(action, selection);
60 }
61 return false;
62 }
63
64 protected String getActionId() {
65 return IDebugView.COPY_ACTION;
66 }
67
68
73 protected void append(ILabelResult item, StringBuffer buffer, int indent) {
74 for (int i= 0; i < indent; i++) {
75 buffer.append(TAB);
76 }
77 String [] labels = item.getLabels();
78 int count = labels.length;
79 if(count > 0) {
80 for (int i = 0; i < count; i++) {
81 String text = labels[i];
82 if(text != null && !text.trim().equals(EMPTY_STRING)) {
83 buffer.append(text+TAB);
84 }
85 }
86 buffer.append(System.getProperty(SEPARATOR));
87 }
88 }
89
90
93 public void run(final IAction action) {
94 if (fViewer instanceof AsynchronousTreeViewer) {
95 final AsynchronousTreeViewer atv = (AsynchronousTreeViewer)fViewer;
97 List selectedItems = getPrunedSelection();
98 TreeItem[]items = (TreeItem[]) selectedItems.toArray(new TreeItem[selectedItems.size()]);
99 final Object [] elements = new Object [selectedItems.size()];
100 for (int i = 0; i < elements.length; i++) {
101 elements[i] = items[i].getData();
102 }
103 if (elements.length > 0) {
104 final StringBuffer buffer = new StringBuffer ();
105 IRunnableWithProgress runnable = new IRunnableWithProgress() {
106 public void run(IProgressMonitor monitor) throws InvocationTargetException , InterruptedException {
107 monitor.beginTask(DebugUIPlugin.removeAccelerators(action.getText()), elements.length * 2);
108 for (int i = 0; i < elements.length; i++) {
109 Object element = elements[i];
110 if (element != null) {
111 SubProgressMonitor sub = new SubProgressMonitor(monitor, 1);
112 List results = atv.buildLabels(sub, element, ""); if (monitor.isCanceled()) {
114 throw new InterruptedException ();
115 }
116 performCopy(results, buffer);
118 monitor.worked(1);
119 } else {
120 monitor.worked(2);
121 }
122 }
123 monitor.done();
124 }
125 };
126 ProgressMonitorDialog dialog = new ProgressMonitorDialog(fViewer.getControl().getShell());
127 dialog.setCancelable(true);
128 try {
129 dialog.run(true, true, runnable);
130 } catch (InvocationTargetException e) {
131 DebugUIPlugin.log(e);
132 return;
133 } catch (InterruptedException e) {
134 return;
135 }
136 TextTransfer plainTextTransfer = TextTransfer.getInstance();
137 Clipboard clipboard= new Clipboard(fViewer.getControl().getDisplay());
138 try {
139 doCopy(clipboard, plainTextTransfer, buffer);
140 } finally {
141 clipboard.dispose();
142 }
143 }
144
145 }
146 }
147
148 protected void performCopy(List results, StringBuffer buffer) {
149 final Iterator iter= results.iterator();
150 if (results.size() > 0) {
151 int topLevel = ((ILabelResult)results.get(0)).getDepth();
152 while (iter.hasNext()) {
153 ILabelResult result = (ILabelResult) iter.next();
154 append(result, buffer, result.getDepth() - topLevel);
155 }
156 }
157 }
158
159 protected void doCopy(Clipboard clipboard, TextTransfer plainTextTransfer, StringBuffer buffer) {
160 try {
161 clipboard.setContents(
162 new String []{buffer.toString()},
163 new Transfer[]{plainTextTransfer});
164 } catch (SWTError e){
165 if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD) {
166 throw e;
167 }
168 if (MessageDialog.openQuestion(fViewer.getControl().getShell(), ActionMessages.CopyToClipboardActionDelegate_Problem_Copying_to_Clipboard_1, ActionMessages.CopyToClipboardActionDelegate_There_was_a_problem_when_accessing_the_system_clipboard__Retry__2)) { doCopy(clipboard, plainTextTransfer, buffer);
170 }
171 }
172 }
173
174
178 protected List getPrunedSelection() {
179 Control control = fViewer.getControl();
180 List items = new ArrayList ();
181 if (control instanceof Tree) {
182 Tree tree = (Tree) control;
183 TreeItem[] selection = tree.getSelection();
184
185 for (int i = 0; i < selection.length; i++) {
186 TreeItem item = selection[i];
187 if (isEnabledFor(item.getData())) {
188 if (walkHierarchy(item, items)) {
189 items.add(item);
190 }
191 }
192 }
193 }
194 return items;
195 }
196
197
201 protected boolean walkHierarchy(TreeItem item, List elements) {
202 TreeItem parent= item.getParentItem();
203 if (parent == null) {
204 return true;
205 }
206 if (elements.contains(parent)) {
207 return false;
208 }
209 return walkHierarchy(parent, elements);
210 }
211
212
215 protected boolean shouldAppendChildren(TreeItem item) {
216 return item.getExpanded();
217 }
218
219 protected ContentViewer getViewer() {
220 return fViewer;
221 }
222
223 protected void setViewer(ContentViewer viewer) {
224 fViewer = viewer;
225 }
226
229 protected void doAction(Object element) {
230 }
232 }
233 |
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