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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 | ||
10 | package org.eclipse.tracecompass.analysis.timing.ui.views.segmentstore.density; | |
11 | ||
12 | import java.util.List; | |
13 | ||
14 | import org.eclipse.jdt.annotation.Nullable; | |
15 | import org.eclipse.jface.action.Action; | |
16 | import org.eclipse.jface.action.IToolBarManager; | |
17 | import org.eclipse.swt.SWT; | |
18 | import org.eclipse.swt.custom.SashForm; | |
19 | import org.eclipse.swt.widgets.Composite; | |
20 | import org.eclipse.tracecompass.analysis.timing.ui.views.segmentstore.AbstractSegmentStoreTableViewer; | |
21 | import org.eclipse.tracecompass.segmentstore.core.ISegment; | |
22 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
23 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; | |
24 | import org.eclipse.tracecompass.tmf.ui.views.TmfView; | |
25 | ||
26 | /** | |
27 | * Displays the segment store analysis data in a density chart and a table | |
28 | * corresponding to the selected latencies. | |
29 | * | |
30 | * @author Matthew Khouzam | |
31 | * @author Marc-Andre Laperle | |
32 | */ | |
33 | public abstract class AbstractSegmentStoreDensityView extends TmfView { | |
34 | ||
35 | private static final int[] DEFAULT_WEIGHTS = new int[] { 4, 6 }; | |
36 | ||
37 | private @Nullable AbstractSegmentStoreDensityViewer fDensityViewer; | |
38 | private @Nullable AbstractSegmentStoreTableViewer fTableViewer; | |
39 | ||
40 | /** | |
41 | * Constructs a segment store density view | |
42 | * | |
43 | * @param viewName | |
44 | * the name of the view | |
45 | */ | |
46 | public AbstractSegmentStoreDensityView(String viewName) { | |
47 | super(viewName); | |
48 | } | |
49 | ||
50 | /** | |
51 | * Used to keep the table in sync with the density viewer. | |
52 | */ | |
53 | private final class DataChangedListener implements ISegmentStoreDensityViewerDataListener { | |
54 | @Override | |
55 | public void dataChanged(List<ISegment> data) { | |
56 | updateTableModel(data); | |
57 | } | |
58 | ||
59 | private void updateTableModel(@Nullable List<ISegment> data) { | |
60 | final AbstractSegmentStoreTableViewer viewer = fTableViewer; | |
61 | if (viewer != null && data != null) { | |
62 | viewer.updateModel(data.toArray(new ISegment[] {})); | |
63 | } | |
64 | } | |
65 | ||
66 | @Override | |
67 | public void dataSelectionChanged(List<ISegment> data) { | |
68 | updateTableModel(data); | |
69 | } | |
70 | } | |
71 | ||
72 | @Override | |
73 | public void createPartControl(@Nullable Composite parent) { | |
74 | super.createPartControl(parent); | |
75 | ||
76 | final SashForm sashForm = new SashForm(parent, SWT.NONE); | |
77 | ||
78 | fTableViewer = createSegmentStoreTableViewer(sashForm); | |
79 | fDensityViewer = createSegmentStoreDensityViewer(sashForm); | |
80 | fDensityViewer.addDataListener(new DataChangedListener()); | |
81 | ||
82 | sashForm.setWeights(DEFAULT_WEIGHTS); | |
83 | ||
84 | Action zoomOut = new ZoomOutAction(this); | |
85 | IToolBarManager toolBar = getViewSite().getActionBars().getToolBarManager(); | |
86 | toolBar.add(zoomOut); | |
87 | ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace(); | |
88 | if (trace != null && fDensityViewer != null) { | |
89 | fDensityViewer.loadTrace(trace); | |
90 | } | |
91 | } | |
92 | ||
93 | /** | |
94 | * Create a table viewer suitable for displaying the segment store content. | |
95 | * | |
96 | * @param parent | |
97 | * the parent composite | |
98 | * @return the table viewer | |
99 | */ | |
100 | abstract protected AbstractSegmentStoreTableViewer createSegmentStoreTableViewer(Composite parent); | |
101 | ||
102 | /** | |
103 | * Create a density viewer suitable for displaying the segment store | |
104 | * content. | |
105 | * | |
106 | * @param parent | |
107 | * the parent composite | |
108 | * @return the density viewer | |
109 | */ | |
110 | abstract protected AbstractSegmentStoreDensityViewer createSegmentStoreDensityViewer(Composite parent); | |
111 | ||
112 | @Override | |
113 | public void setFocus() { | |
114 | final AbstractSegmentStoreDensityViewer viewer = fDensityViewer; | |
115 | if (viewer != null) { | |
116 | viewer.getControl().setFocus(); | |
117 | } | |
118 | } | |
119 | ||
120 | @Override | |
121 | public void dispose() { | |
122 | final AbstractSegmentStoreDensityViewer densityViewer = fDensityViewer; | |
123 | if (densityViewer != null) { | |
124 | densityViewer.dispose(); | |
125 | } | |
126 | ||
127 | final AbstractSegmentStoreTableViewer tableViewer = fTableViewer; | |
128 | if (tableViewer != null) { | |
129 | tableViewer.dispose(); | |
130 | } | |
131 | ||
132 | super.dispose(); | |
133 | } | |
134 | ||
135 | // Package-visible on purpose for ZoomOutAction | |
136 | @Nullable | |
137 | AbstractSegmentStoreDensityViewer getDensityViewer() { | |
138 | return fDensityViewer; | |
139 | } | |
140 | } |