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1 | /******************************************************************************* |
2 | * Copyright (c) 2015 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Patrick Tasse - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.tracecompass.internal.tmf.ui.commands; | |
14 | ||
15 | import java.util.List; | |
16 | ||
17 | import org.eclipse.core.runtime.IProgressMonitor; | |
18 | import org.eclipse.core.runtime.IStatus; | |
19 | import org.eclipse.core.runtime.Status; | |
20 | import org.eclipse.jface.operation.IRunnableWithProgress; | |
21 | import org.eclipse.swt.SWT; | |
22 | import org.eclipse.swt.dnd.Clipboard; | |
23 | import org.eclipse.swt.dnd.TextTransfer; | |
24 | import org.eclipse.swt.dnd.Transfer; | |
25 | import org.eclipse.swt.widgets.Display; | |
26 | import org.eclipse.swt.widgets.MessageBox; | |
27 | import org.eclipse.swt.widgets.Shell; | |
28 | import org.eclipse.tracecompass.internal.tmf.ui.Activator; | |
29 | import org.eclipse.tracecompass.internal.tmf.ui.Messages; | |
30 | import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; | |
31 | import org.eclipse.tracecompass.tmf.core.filter.ITmfFilter; | |
32 | import org.eclipse.tracecompass.tmf.core.request.ITmfEventRequest; | |
33 | import org.eclipse.tracecompass.tmf.core.request.ITmfEventRequest.ExecutionType; | |
34 | import org.eclipse.tracecompass.tmf.core.request.TmfEventRequest; | |
35 | import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimeRange; | |
36 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
37 | import org.eclipse.tracecompass.tmf.ui.viewers.events.columns.TmfEventTableColumn; | |
38 | import org.eclipse.ui.PlatformUI; | |
39 | ||
40 | /** | |
41 | * This operation copies the text of selected trace events to the clipboard. | |
42 | */ | |
43 | public class CopyToClipboardOperation implements IRunnableWithProgress { | |
44 | ||
45 | private static final String LINE_SEPARATOR = System.getProperty("line.separator"); //$NON-NLS-1$ | |
46 | private final ITmfTrace fTrace; | |
47 | private final ITmfFilter fFilter; | |
48 | private final List<TmfEventTableColumn> fColumns; | |
49 | private final long fStartRank; | |
50 | private final long fEndRank; | |
51 | ||
52 | /** | |
53 | * Constructor. | |
54 | * | |
55 | * @param trace | |
56 | * the trace to copy events from | |
57 | * @param filter | |
58 | * the filter to apply to trace events, or null | |
59 | * @param columns | |
60 | * the list of event table columns | |
61 | * @param start | |
62 | * the start rank of the selection | |
63 | * @param end | |
64 | * the end rank of the selection | |
65 | */ | |
66 | public CopyToClipboardOperation(ITmfTrace trace, ITmfFilter filter, List<TmfEventTableColumn> columns, long start, long end) { | |
67 | fTrace = trace; | |
68 | fFilter = filter; | |
69 | fColumns = columns; | |
70 | fStartRank = start; | |
71 | fEndRank = end; | |
72 | } | |
73 | ||
74 | @Override | |
75 | public void run(IProgressMonitor monitor) { | |
76 | final StringBuilder sb = new StringBuilder(); | |
77 | monitor.beginTask(Messages.CopyToClipboardOperation_TaskName, (int) (fEndRank - fStartRank + 1)); | |
78 | ||
79 | boolean needTab = false; | |
80 | for (TmfEventTableColumn column : fColumns) { | |
81 | if (needTab) { | |
82 | sb.append('\t'); | |
83 | } | |
84 | sb.append(column.getHeaderName()); | |
85 | needTab = true; | |
86 | } | |
87 | sb.append(LINE_SEPARATOR); | |
88 | ||
89 | copy(sb, monitor); | |
90 | ||
91 | Display.getDefault().syncExec(new Runnable() { | |
92 | @Override | |
93 | public void run() { | |
94 | if (sb.length() == 0) { | |
95 | return; | |
96 | } | |
eaf41b50 | 97 | Clipboard clipboard = new Clipboard(Display.getDefault()); |
9ba0a108 | 98 | try { |
9ba0a108 PT |
99 | clipboard.setContents(new Object[] { sb.toString() }, |
100 | new Transfer[] { TextTransfer.getInstance() }); | |
101 | } catch (OutOfMemoryError e) { | |
102 | sb.setLength(0); | |
103 | sb.trimToSize(); | |
104 | showErrorDialog(); | |
eaf41b50 PT |
105 | } finally { |
106 | clipboard.dispose(); | |
9ba0a108 PT |
107 | } |
108 | } | |
109 | }); | |
110 | ||
111 | monitor.done(); | |
112 | } | |
113 | ||
114 | private IStatus copy(final StringBuilder sb, final IProgressMonitor monitor) { | |
115 | ITmfEventRequest request = new TmfEventRequest(ITmfEvent.class, TmfTimeRange.ETERNITY, fStartRank, (int) (fEndRank - fStartRank + 1), ExecutionType.FOREGROUND) { | |
116 | @Override | |
117 | public void handleData(ITmfEvent event) { | |
118 | super.handleData(event); | |
119 | if (monitor.isCanceled()) { | |
120 | cancel(); | |
121 | return; | |
122 | } | |
123 | monitor.worked(1); | |
124 | if (fFilter == null || fFilter.matches(event)) { | |
125 | try { | |
126 | boolean needTab = false; | |
127 | for (TmfEventTableColumn column : fColumns) { | |
128 | if (needTab) { | |
129 | sb.append('\t'); | |
130 | } | |
131 | sb.append(column.getItemString(event)); | |
132 | needTab = true; | |
133 | } | |
134 | sb.append(LINE_SEPARATOR); | |
135 | } catch (OutOfMemoryError e) { | |
136 | sb.setLength(0); | |
137 | sb.trimToSize(); | |
138 | showErrorDialog(); | |
139 | cancel(); | |
140 | } | |
141 | } | |
142 | } | |
143 | }; | |
144 | fTrace.sendRequest(request); | |
145 | try { | |
146 | request.waitForCompletion(); | |
147 | } catch (InterruptedException e) { | |
148 | Activator.getDefault().logError("Wait for completion interrupted for copy to clipboard ", e); //$NON-NLS-1$ | |
149 | } | |
150 | return Status.OK_STATUS; | |
151 | } | |
152 | ||
153 | private static void showErrorDialog() { | |
154 | Display.getDefault().syncExec(new Runnable() { | |
155 | @Override | |
156 | public void run() { | |
157 | Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); | |
158 | MessageBox confirmOperation = new MessageBox(shell, SWT.ICON_ERROR | SWT.OK); | |
159 | confirmOperation.setText(Messages.CopyToClipboardOperation_OutOfMemoryErrorTitle); | |
160 | confirmOperation.setMessage(Messages.CopyToClipboardOperation_OutOfMemoryErrorMessage); | |
161 | confirmOperation.open(); | |
162 | } | |
163 | }); | |
164 | } | |
165 | } |