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1
11 package org.eclipse.search.internal.ui;
12
13 import java.util.Collections  ;
14 import java.util.Iterator ;
15
16 import org.eclipse.core.runtime.Assert;
17
18 import org.eclipse.swt.SWTError;
19 import org.eclipse.swt.dnd.Clipboard;
20 import org.eclipse.swt.dnd.DND;
21 import org.eclipse.swt.dnd.TextTransfer;
22 import org.eclipse.swt.dnd.Transfer;
23 import org.eclipse.swt.graphics.Point;
24 import org.eclipse.swt.widgets.Combo;
25 import org.eclipse.swt.widgets.Event;
26 import org.eclipse.swt.widgets.Shell;
27 import org.eclipse.swt.widgets.Text;
28
29 import org.eclipse.jface.action.Action;
30 import org.eclipse.jface.dialogs.MessageDialog;
31 import org.eclipse.jface.viewers.ILabelProvider;
32 import org.eclipse.jface.viewers.ISelection;
33 import org.eclipse.jface.viewers.IStructuredSelection;
34 import org.eclipse.jface.viewers.StructuredViewer;
35
36 import org.eclipse.ui.ISharedImages;
37 import org.eclipse.ui.PlatformUI;
38
39 public class CopyToClipboardAction extends Action {
40
41 private StructuredViewer fViewer;
42
43 public CopyToClipboardAction(StructuredViewer viewer) {
44 this();
45 Assert.isNotNull(viewer);
46 fViewer= viewer;
47 }
48
49 public CopyToClipboardAction() {
50 setText(SearchMessages.CopyToClipboardAction_label);
51 setToolTipText(SearchMessages.CopyToClipboardAction_tooltip);
52 ISharedImages workbenchImages= PlatformUI.getWorkbench().getSharedImages();
53 setDisabledImageDescriptor(workbenchImages.getImageDescriptor(ISharedImages.IMG_TOOL_COPY_DISABLED));
54 setImageDescriptor(workbenchImages.getImageDescriptor(ISharedImages.IMG_TOOL_COPY));
55 setHoverImageDescriptor(workbenchImages.getImageDescriptor(ISharedImages.IMG_TOOL_COPY));
56
57 }
58
59
62 public void setViewer(StructuredViewer viewer) {
63 fViewer= viewer;
64 }
65
66 public void runWithEvent(Event event) {
67 Shell shell= SearchPlugin.getActiveWorkbenchShell();
70 if (shell != null) {
71 String sel= null;
72 if (event.widget instanceof Combo) {
73 Combo combo= (Combo) event.widget;
74 sel= combo.getText();
75 Point selection= combo.getSelection();
76 sel= sel.substring(selection.x, selection.y);
77 }
78 else if (event.widget instanceof Text) {
79 Text text= (Text) event.widget;
80 sel= text.getSelectionText();
81 }
82 if (sel != null) {
83 if (sel.length() > 0) {
84 copyToClipboard(sel, shell);
85 }
86 return;
87 }
88 }
89
90 run();
91 }
92
93
96 public void run() {
97 Shell shell= SearchPlugin.getActiveWorkbenchShell();
98 if (shell == null || fViewer == null)
99 return;
100
101 ILabelProvider labelProvider= (ILabelProvider)fViewer.getLabelProvider();
102 String lineDelim= System.getProperty("line.separator"); StringBuffer buf= new StringBuffer ();
104 Iterator iter= getSelection();
105 while (iter.hasNext()) {
106 if (buf.length() > 0) {
107 buf.append(lineDelim);
108 }
109 buf.append(labelProvider.getText(iter.next()));
110 }
111
112 if (buf.length() > 0) {
113 copyToClipboard(buf.toString(), shell);
114 }
115 }
116
117 private void copyToClipboard(String text, Shell shell) {
118 Clipboard clipboard= new Clipboard(shell.getDisplay());
119 try {
120 copyToClipboard(clipboard, text, shell);
121 } finally {
122 clipboard.dispose();
123 }
124 }
125
126 private Iterator getSelection() {
127 ISelection s= fViewer.getSelection();
128 if (s instanceof IStructuredSelection)
129 return ((IStructuredSelection)s).iterator();
130 return Collections.EMPTY_LIST.iterator();
131 }
132
133 private void copyToClipboard(Clipboard clipboard, String str, Shell shell) {
134 try {
135 clipboard.setContents(new String [] { str }, new Transfer[] { TextTransfer.getInstance() });
136 } catch (SWTError ex) {
137 if (ex.code != DND.ERROR_CANNOT_SET_CLIPBOARD)
138 throw ex;
139 String title= SearchMessages.CopyToClipboardAction_error_title;
140 String message= SearchMessages.CopyToClipboardAction_error_message;
141 if (MessageDialog.openQuestion(shell, title, message))
142 copyToClipboard(clipboard, str, shell);
143 }
144 }
145 }
146 |
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