|
1
11 package org.eclipse.team.internal.ui.dialogs;
12
13 import org.eclipse.core.resources.mapping.ResourceMapping;
14 import org.eclipse.jface.viewers.*;
15 import org.eclipse.swt.SWT;
16 import org.eclipse.swt.events.SelectionAdapter;
17 import org.eclipse.swt.events.SelectionEvent;
18 import org.eclipse.swt.layout.GridData;
19 import org.eclipse.swt.layout.GridLayout;
20 import org.eclipse.swt.widgets.Button;
21 import org.eclipse.swt.widgets.Composite;
22 import org.eclipse.swt.widgets.Table;
23 import org.eclipse.team.internal.ui.TeamUIMessages;
24 import org.eclipse.team.internal.ui.mapping.ResourceMappingLabelProvider;
25 import org.eclipse.ui.model.AdaptableList;
26 import org.eclipse.ui.model.BaseWorkbenchContentProvider;
27
28
31 public class ResourceMappingSelectionArea extends DialogArea {
32
33
37 public static final String  SELECTED_MAPPING = "SelectedMapping";
39
44 public static final String CHECKED_MAPPINGS = "CheckedMappings";
46 private ResourceMapping[] mappings;
47 private TableViewer viewer;
48 private ResourceMapping[] checkedMappings;
49 private ResourceMapping selectedMapping;
50 private String description;
51 private boolean supportsChecking;
52 private boolean supportsSelection;
53
54 public ResourceMappingSelectionArea(ResourceMapping[] mappings, boolean supportSelection, boolean supportChecking) {
55 this.mappings = mappings;
56 this.supportsChecking = supportChecking;
57 this.supportsSelection = supportSelection;
58 }
59
60
63 public void createArea(Composite parent) {
64 Composite composite = createComposite(parent, 1, true);
65 GridLayout layout = new GridLayout(1, false);
66 layout.marginHeight = 0;
67 layout.marginWidth = 0;
68 layout.verticalSpacing = 0;
69 layout.horizontalSpacing = 0;
70 composite.setLayout(layout);
71
72 if (description != null)
73 createWrappingLabel(composite, description, 1);
74
75 createViewer(composite);
76 GridData data = new GridData(GridData.FILL_BOTH);
77 data.heightHint = 100;
78 data.widthHint = 300;
79 viewer.getControl().setLayoutData(data);
80 viewer.setContentProvider(new BaseWorkbenchContentProvider());
81 viewer.setLabelProvider(new ResourceMappingLabelProvider());
82 viewer.setInput(new AdaptableList(mappings));
83 if (isSupportsSelection()) {
84 viewer.addSelectionChangedListener(new ISelectionChangedListener() {
85 public void selectionChanged(SelectionChangedEvent event) {
86 ResourceMapping oldSelection = selectedMapping;
87 selectedMapping = internalGetSelectedMapping();
88 if (oldSelection != selectedMapping)
89 firePropertyChangeChange(SELECTED_MAPPING, oldSelection, selectedMapping);
90 }
91 });
92 }
93 if (isSupportsChecking())
94 initializeCheckboxViewer(composite);
95 }
96
97 private void initializeCheckboxViewer(Composite composite) {
98 final CheckboxTableViewer checkboxViewer = getCheckboxTableViewer();
99 checkboxViewer.addCheckStateListener(new ICheckStateListener() {
100 public void checkStateChanged(CheckStateChangedEvent event) {
101 ResourceMapping[] oldMappings = checkedMappings;
102 checkedMappings = internalGetCheckedMappings();
103 if (oldMappings != checkedMappings)
104 firePropertyChangeChange(CHECKED_MAPPINGS, oldMappings, checkedMappings);
105 }
106 });
107 checkboxViewer.setCheckedElements(mappings);
108 checkedMappings = mappings;
109
110 Composite buttons = createEmbeddedButtonComposite(composite);
111
112 Button selectAll = new Button(buttons, SWT.PUSH);
113 selectAll.setText(TeamUIMessages.ResourceMappingSelectionArea_0);
114 selectAll.setLayoutData(new GridData(GridData.FILL_BOTH));
115 selectAll.addSelectionListener(new SelectionAdapter() {
116 public void widgetSelected(SelectionEvent e) {
117 checkboxViewer.setAllChecked(true);
118 }
119 });
120
121 Button deselectAll = new Button(buttons, SWT.PUSH);
122 deselectAll.setText(TeamUIMessages.ResourceMappingSelectionArea_1);
123 deselectAll.setLayoutData(new GridData(GridData.FILL_BOTH));
124 deselectAll.addSelectionListener(new SelectionAdapter() {
125 public void widgetSelected(SelectionEvent e) {
126 checkboxViewer.setAllChecked(false);
127 }
128 });
129 }
130
131 private void createViewer(Composite composite) {
132 if (isSupportsChecking())
133 viewer = CheckboxTableViewer.newCheckList(composite, getViewerStyle());
134 else
135 viewer = new TableViewer(new Table(composite, getViewerStyle()));
136 }
137
138 private int getViewerStyle() {
139 int style = SWT.BORDER;
140 if (isSupportsSelection())
141 style |= SWT.SINGLE;
142 return style;
143 }
144
145 ResourceMapping[] internalGetCheckedMappings() {
146 Object [] checked = getCheckboxTableViewer().getCheckedElements();
147 ResourceMapping[] mappings = new ResourceMapping[checked.length];
148 for (int i = 0; i < checked.length; i++) {
149 Object object = checked[i];
150 mappings[i] = (ResourceMapping)object;
151 }
152 return mappings;
153 }
154
155 private Composite createEmbeddedButtonComposite(Composite composite) {
156 GridData data;
157 Composite buttons = new Composite(composite, SWT.NONE);
158 GridLayout layout = new GridLayout();
159 layout.numColumns = 2; layout.makeColumnsEqualWidth = true;
161 layout.marginWidth = 0;
162 buttons.setLayout(layout);
163 data = new GridData(GridData.HORIZONTAL_ALIGN_END
164 | GridData.VERTICAL_ALIGN_CENTER);
165 buttons.setLayoutData(data);
166 return buttons;
167 }
168
169 ResourceMapping internalGetSelectedMapping() {
170 ISelection selection = viewer.getSelection();
171 if (selection instanceof IStructuredSelection) {
172 IStructuredSelection ss = (IStructuredSelection) selection;
173 Object firstElement = ss.getFirstElement();
174 if (firstElement instanceof ResourceMapping)
175 return (ResourceMapping)firstElement;
176 }
177 return null;
178 }
179
180 public void setDescription(String description) {
181 this.description = description;
182 }
183 public ResourceMapping[] getCheckedMappings() {
184 return checkedMappings;
185 }
186 public ResourceMapping getSelectedMapping() {
187 return selectedMapping;
188 }
189
190 private CheckboxTableViewer getCheckboxTableViewer() {
191 return (CheckboxTableViewer)viewer;
192 }
193
194 public boolean isSupportsChecking() {
195 return supportsChecking;
196 }
197
198 public boolean isSupportsSelection() {
199 return supportsSelection;
200 }
201 }
202 |
Popular Tags |
Java API By Example, From Geeks To Geeks.