|
1
11 package org.eclipse.compare.internal;
12
13 import org.eclipse.compare.*;
14 import org.eclipse.compare.structuremergeviewer.ICompareInput;
15 import org.eclipse.jface.util.IPropertyChangeListener;
16 import org.eclipse.jface.util.PropertyChangeEvent;
17 import org.eclipse.jface.viewers.*;
18 import org.eclipse.swt.SWT;
19 import org.eclipse.swt.widgets.Composite;
20 import org.eclipse.swt.widgets.Control;
21 import org.eclipse.ui.part.IPageSite;
22 import org.eclipse.ui.part.Page;
23 import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
24
25
27 public class CompareOutlinePage extends Page implements IContentOutlinePage, IPropertyChangeListener {
28
29 private CompareEditor fCompareEditor;
30 private Control fControl;
31 private CompareViewerSwitchingPane fStructurePane;
32 private OutlineViewerCreator fCreator;
33
34 CompareOutlinePage(CompareEditor editor) {
35 fCompareEditor= editor;
36 }
37
38
41 public void createControl(Composite parent) {
42 final Splitter h= new Splitter(parent, SWT.HORIZONTAL);
43 fStructurePane= new CompareViewerSwitchingPane(h, SWT.BORDER | SWT.FLAT, true) {
44 protected Viewer getViewer(Viewer oldViewer, Object  input) {
45 if (input instanceof ICompareInput)
46 return findStructureViewer(oldViewer, (ICompareInput)input, this);
47 return null;
48 }
49 };
50 h.setVisible(fStructurePane, true);
51 fControl = h;
52 IPageSite site = getSite();
53 site.setSelectionProvider(fStructurePane);
54 h.layout();
55 reset();
56 }
57
58 private Viewer findStructureViewer(Viewer oldViewer, ICompareInput input, Composite parent) {
59 OutlineViewerCreator creator = getCreator();
60 if (creator != null)
61 return creator.findStructureViewer(oldViewer, input, parent, getCompareConfiguration());
62 return null;
63 }
64
65 private CompareConfiguration getCompareConfiguration() {
66 return fCompareEditor.getCompareConfiguration();
67 }
68
69
72 public Control getControl() {
73 return fControl;
74 }
75
76
79 public void setFocus() {
80 if (fStructurePane != null)
81 fStructurePane.setFocus();
82 }
83
84
87 public void addSelectionChangedListener(ISelectionChangedListener listener) {
88 if (fStructurePane != null)
89 fStructurePane.addSelectionChangedListener(listener);
90 }
91
92
95 public ISelection getSelection() {
96 if (fStructurePane != null)
97 return fStructurePane.getSelection();
98 return StructuredSelection.EMPTY;
99 }
100
101
104 public void removeSelectionChangedListener(ISelectionChangedListener listener) {
105 if (fStructurePane != null)
106 fStructurePane.removeSelectionChangedListener(listener);
107 }
108
109
112 public void setSelection(ISelection selection) {
113 if (fStructurePane != null)
114 fStructurePane.setSelection(selection);
115 }
116
117 private void setInput(Object input) {
118 if (fStructurePane != null) {
119 fStructurePane.setInput(input);
120 ((Splitter)fControl).layout();
121 }
122 }
123
124 public OutlineViewerCreator getCreator() {
125 if (fCreator == null) {
126 fCreator = (OutlineViewerCreator)Utilities.getAdapter(fCompareEditor, OutlineViewerCreator.class);
127 if (fCreator != null)
128 fCreator.addPropertyChangeListener(this);
129 }
130 return fCreator;
131 }
132
133 public void propertyChange(PropertyChangeEvent event) {
134 if (event.getProperty().equals(OutlineViewerCreator.PROP_INPUT)) {
135 fStructurePane.setInput(event.getNewValue());
136 ((Splitter)fControl).layout();
137 }
138 }
139
140 public void dispose() {
141 super.dispose();
142 if (fCreator != null)
143 fCreator.removePropertyChangeListener(this);
144 fCreator = null;
145 }
146
147 public void reset() {
148 if (fCreator != null)
149 fCreator.removePropertyChangeListener(this);
150 fCreator = null;
151 OutlineViewerCreator creator = getCreator();
152 if (creator != null)
153 setInput(creator.getInput());
154 else
155 setInput(null);
156 }
157 }
158 |
Popular Tags |
Java API By Example, From Geeks To Geeks.