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1
11 package org.eclipse.team.internal.ui.synchronize;
12
13 import java.util.ArrayList  ;
14 import java.util.Iterator ;
15 import java.util.List ;
16
17 import org.eclipse.core.runtime.Assert;
18 import org.eclipse.core.runtime.IProgressMonitor;
19 import org.eclipse.jface.action.*;
20 import org.eclipse.jface.dialogs.IDialogSettings;
21 import org.eclipse.jface.util.IPropertyChangeListener;
22 import org.eclipse.jface.util.PropertyChangeEvent;
23 import org.eclipse.swt.widgets.Display;
24 import org.eclipse.team.core.synchronize.SyncInfoSet;
25 import org.eclipse.team.internal.ui.*;
26 import org.eclipse.team.ui.synchronize.*;
27 import org.eclipse.ui.IActionBars;
28
29
32 public abstract class SynchronizeModelManager extends SynchronizePageActionGroup {
33
34 private static final String P_LAST_PROVIDER = TeamUIPlugin.ID + ".P_LAST_MODELPROVIDER";
36 private ISynchronizeModelProvider modelProvider;
37 private List toggleModelProviderActions;
38 private ISynchronizePageConfiguration configuration;
39 private TreeViewerAdvisor advisor;
40
41
44 private class ToggleModelProviderAction extends Action implements IPropertyChangeListener {
45 private ISynchronizeModelProviderDescriptor descriptor;
46 protected ToggleModelProviderAction(ISynchronizeModelProviderDescriptor descriptor) {
47 super(descriptor.getName(), IAction.AS_RADIO_BUTTON);
48 setImageDescriptor(descriptor.getImageDescriptor());
49 setToolTipText(descriptor.getName());
50 this.descriptor = descriptor;
51 update();
52 configuration.addPropertyChangeListener(this);
53 }
54
55 public void run() {
56 if (!getSelectedProviderId().equals(descriptor.getId())) {
57 setInput(descriptor.getId(), null);
58 }
59 }
60
61 public void update() {
62 setChecked(getSelectedProviderId().equals(descriptor.getId()));
63 }
64
65
68 public void propertyChange(PropertyChangeEvent event) {
69 if (event.getProperty().equals(SynchronizePageConfiguration.P_MODEL)) {
70 update();
71 }
72 }
73 }
74
75 public SynchronizeModelManager(ISynchronizePageConfiguration configuration) {
76 Assert.isNotNull(configuration, "configuration cannot be null"); this.configuration = configuration;
78 configuration.addActionContribution(this);
79 }
80
81
84 public void setViewerAdvisor(TreeViewerAdvisor advisor) {
85 this.advisor = advisor;
86 }
87
88
92 protected abstract ISynchronizeModelProviderDescriptor[] getSupportedModelProviders();
93
94
99 protected abstract ISynchronizeModelProvider createModelProvider(String id);
100
101
105 public ISynchronizeModelProvider getActiveModelProvider() {
106 return modelProvider;
107 }
108
109 protected String getDefaultProviderId() {
110 String defaultLayout = TeamUIPlugin.getPlugin().getPreferenceStore().getString(IPreferenceIds.SYNCVIEW_DEFAULT_LAYOUT);
111 if (defaultLayout.equals(IPreferenceIds.TREE_LAYOUT)) {
112 return HierarchicalModelProvider.HierarchicalModelProviderDescriptor.ID;
113 }
114 if (defaultLayout.equals(IPreferenceIds.FLAT_LAYOUT)) {
115 return FlatModelProvider.FlatModelProviderDescriptor.ID;
116 }
117 return CompressedFoldersModelProvider.CompressedFolderModelProviderDescriptor.ID;
119 }
120
121
128 protected String getSelectedProviderId() {
129 ISynchronizeModelProvider provider = getActiveModelProvider();
130 if (provider != null) {
131 return provider.getDescriptor().getId();
132 }
133 return getDefaultProviderId();
134 }
135
136
143 protected void setInput(String id, IProgressMonitor monitor) {
144 if(modelProvider != null) {
145 modelProvider.saveState();
146 modelProvider.dispose();
147 }
148 modelProvider = createModelProvider(id);
149 saveProviderSettings(id);
150 modelProvider.prepareInput(monitor);
151 setInput();
152 }
153
154
157 protected void saveProviderSettings(String id) {
158 IDialogSettings pageSettings = getConfiguration().getSite().getPageSettings();
159 if(pageSettings != null) {
160 pageSettings.put(P_LAST_PROVIDER, id);
161 }
162 }
163
164
167 protected void setInput() {
168 configuration.setProperty(SynchronizePageConfiguration.P_MODEL, modelProvider.getModelRoot());
169 if(advisor != null)
170 advisor.setInput(modelProvider);
171 }
172
173
179 public ISynchronizeModelElement getModelRoot() {
180 if (modelProvider != null && modelProvider instanceof SynchronizeModelProvider) {
181 ((SynchronizeModelProvider)modelProvider).waitUntilDone(new IProgressMonitor() {
182 public void beginTask(String name, int totalWork) {
183 }
184 public void done() {
185 }
186 public void internalWorked(double work) {
187 }
188 public boolean isCanceled() {
189 return false;
190 }
191 public void setCanceled(boolean value) {
192 }
193 public void setTaskName(String name) {
194 }
195 public void subTask(String name) {
196 }
197 public void worked(int work) {
198 while (Display.getCurrent().readAndDispatch()) {}
199 }
200 });
201 return modelProvider.getModelRoot();
202 } else {
203 return null;
204 }
205 }
206
207
210 public void initialize(ISynchronizePageConfiguration configuration) {
211 super.initialize(configuration);
212 ISynchronizeModelProviderDescriptor[] providers = getSupportedModelProviders();
213 if (providers.length > 1) {
215 toggleModelProviderActions = new ArrayList ();
216 for (int i = 0; i < providers.length; i++) {
217 final ISynchronizeModelProviderDescriptor provider = providers[i];
218 toggleModelProviderActions.add(new ToggleModelProviderAction(provider));
219 }
220 }
221 if(modelProvider == null) {
224 String defaultProviderId = getDefaultProviderId();
225 IDialogSettings pageSettings = configuration.getSite().getPageSettings();
226 if(pageSettings != null && pageSettings.get(P_LAST_PROVIDER) != null) {
227 defaultProviderId = pageSettings.get(P_LAST_PROVIDER);
228 }
229 setInput(defaultProviderId, null);
230 } else {
231 setInput();
232 }
233 }
234
235
238 public void fillActionBars(IActionBars actionBars) {
239 if (toggleModelProviderActions == null) return;
240 IToolBarManager toolbar = actionBars.getToolBarManager();
241 IMenuManager menu = actionBars.getMenuManager();
242 IContributionItem group = findGroup(menu, ISynchronizePageConfiguration.LAYOUT_GROUP);
243 if(menu != null && group != null) {
244 MenuManager layout = new MenuManager(Utils.getString("action.layout.label", Policy.getActionBundle())); menu.appendToGroup(group.getId(), layout);
246 appendToMenu(null, layout);
247 } else if(toolbar != null) {
248 group = findGroup(toolbar, ISynchronizePageConfiguration.LAYOUT_GROUP);
249 if (group != null) {
250 appendToMenu(group.getId(), toolbar);
251 }
252 }
253 }
254
255 private void appendToMenu(String groupId, IContributionManager menu) {
256 for (Iterator iter = toggleModelProviderActions.iterator(); iter.hasNext();) {
257 if (groupId == null) {
258 menu.add((Action) iter.next());
259 } else {
260 menu.appendToGroup(groupId, (Action) iter.next());
261 }
262 }
263 }
264
265
268 public void dispose() {
269 if(modelProvider != null) {
270 modelProvider.dispose();
271 }
272 super.dispose();
273 }
274
275
279 public ISynchronizePageConfiguration getConfiguration() {
280 return configuration;
281 }
282
283
287 protected SyncInfoSet getSyncInfoSet() {
288 return (SyncInfoSet)getConfiguration().getProperty(ISynchronizePageConfiguration.P_SYNC_INFO_SET);
289 }
290 }
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