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1
11 package org.eclipse.jdt.internal.ui.preferences;
12
13 import java.util.HashMap  ;
14 import java.util.HashSet ;
15 import java.util.Map ;
16
17 import org.eclipse.core.runtime.IAdaptable;
18 import org.eclipse.core.runtime.IStatus;
19
20 import org.eclipse.core.resources.IProject;
21 import org.eclipse.core.resources.IResource;
22 import org.eclipse.core.resources.ResourcesPlugin;
23
24 import org.eclipse.swt.SWT;
25 import org.eclipse.swt.events.SelectionEvent;
26 import org.eclipse.swt.events.SelectionListener;
27 import org.eclipse.swt.layout.GridData;
28 import org.eclipse.swt.layout.GridLayout;
29 import org.eclipse.swt.widgets.Composite;
30 import org.eclipse.swt.widgets.Control;
31 import org.eclipse.swt.widgets.Label;
32 import org.eclipse.swt.widgets.Link;
33
34 import org.eclipse.jface.dialogs.ControlEnableState;
35 import org.eclipse.jface.dialogs.Dialog;
36 import org.eclipse.jface.preference.PreferencePage;
37 import org.eclipse.jface.window.Window;
38
39 import org.eclipse.ui.IWorkbench;
40 import org.eclipse.ui.IWorkbenchPreferencePage;
41 import org.eclipse.ui.IWorkbenchPropertyPage;
42 import org.eclipse.ui.dialogs.PreferencesUtil;
43
44 import org.eclipse.jdt.core.IJavaProject;
45 import org.eclipse.jdt.core.JavaCore;
46 import org.eclipse.jdt.core.JavaModelException;
47
48 import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
49 import org.eclipse.jdt.internal.ui.dialogs.StatusUtil;
50 import org.eclipse.jdt.internal.ui.wizards.IStatusChangeListener;
51 import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;
52 import org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
53 import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
54 import org.eclipse.jdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField;
55
56
59 public abstract class PropertyAndPreferencePage extends PreferencePage implements IWorkbenchPreferencePage, IWorkbenchPropertyPage {
60
61 private Control fConfigurationBlockControl;
62 private ControlEnableState fBlockEnableState;
63 private Link fChangeWorkspaceSettings;
64 private SelectionButtonDialogField fUseProjectSettings;
65 private IStatus fBlockStatus;
66 private Composite fParentComposite;
67
68 private IProject fProject; private Map fData;
71 public static final String DATA_NO_LINK= "PropertyAndPreferencePage.nolink";
73 public PropertyAndPreferencePage() {
74 fBlockStatus= new StatusInfo();
75 fBlockEnableState= null;
76 fProject= null;
77 fData= null;
78 }
79
80 protected abstract Control createPreferenceContent(Composite composite);
81 protected abstract boolean hasProjectSpecificOptions(IProject project);
82
83 protected abstract String getPreferencePageID();
84 protected abstract String getPropertyPageID();
85
86 protected boolean supportsProjectSpecificOptions() {
87 return getPropertyPageID() != null;
88 }
89
90 protected boolean offerLink() {
91 return fData == null || !Boolean.TRUE.equals(fData.get(DATA_NO_LINK));
92 }
93
94 protected Label createDescriptionLabel(Composite parent) {
95 fParentComposite= parent;
96 if (isProjectPreferencePage()) {
97 Composite composite= new Composite(parent, SWT.NONE);
98 composite.setFont(parent.getFont());
99 GridLayout layout= new GridLayout();
100 layout.marginHeight= 0;
101 layout.marginWidth= 0;
102 layout.numColumns= 2;
103 composite.setLayout(layout);
104 composite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
105
106 IDialogFieldListener listener= new IDialogFieldListener() {
107 public void dialogFieldChanged(DialogField field) {
108 enableProjectSpecificSettings(((SelectionButtonDialogField)field).isSelected());
109 }
110 };
111
112 fUseProjectSettings= new SelectionButtonDialogField(SWT.CHECK);
113 fUseProjectSettings.setDialogFieldListener(listener);
114 fUseProjectSettings.setLabelText(PreferencesMessages.PropertyAndPreferencePage_useprojectsettings_label);
115 fUseProjectSettings.doFillIntoGrid(composite, 1);
116 LayoutUtil.setHorizontalGrabbing(fUseProjectSettings.getSelectionButton(null));
117
118 if (offerLink()) {
119 fChangeWorkspaceSettings= createLink(composite, PreferencesMessages.PropertyAndPreferencePage_useworkspacesettings_change);
120 fChangeWorkspaceSettings.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false));
121 } else {
122 LayoutUtil.setHorizontalSpan(fUseProjectSettings.getSelectionButton(null), 2);
123 }
124
125 Label horizontalLine= new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL);
126 horizontalLine.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false, 2, 1));
127 horizontalLine.setFont(composite.getFont());
128 } else if (supportsProjectSpecificOptions() && offerLink()) {
129 fChangeWorkspaceSettings= createLink(parent, PreferencesMessages.PropertyAndPreferencePage_showprojectspecificsettings_label);
130 fChangeWorkspaceSettings.setLayoutData(new GridData(SWT.END, SWT.CENTER, true, false));
131 }
132
133 return super.createDescriptionLabel(parent);
134 }
135
136
139 protected Control createContents(Composite parent) {
140 Composite composite= new Composite(parent, SWT.NONE);
141 GridLayout layout= new GridLayout();
142 layout.marginHeight= 0;
143 layout.marginWidth= 0;
144 composite.setLayout(layout);
145 composite.setFont(parent.getFont());
146
147 GridData data= new GridData(GridData.FILL, GridData.FILL, true, true);
148
149 fConfigurationBlockControl= createPreferenceContent(composite);
150 fConfigurationBlockControl.setLayoutData(data);
151
152 if (isProjectPreferencePage()) {
153 boolean useProjectSettings= hasProjectSpecificOptions(getProject());
154 enableProjectSpecificSettings(useProjectSettings);
155 }
156
157 Dialog.applyDialogFont(composite);
158 return composite;
159 }
160
161 private Link createLink(Composite composite, String text) {
162 Link link= new Link(composite, SWT.NONE);
163 link.setFont(composite.getFont());
164 link.setText("<A>" + text + "</A>"); link.addSelectionListener(new SelectionListener() {
166 public void widgetSelected(SelectionEvent e) {
167 doLinkActivated((Link) e.widget);
168 }
169
170 public void widgetDefaultSelected(SelectionEvent e) {
171 doLinkActivated((Link) e.widget);
172 }
173 });
174 return link;
175 }
176
177 protected boolean useProjectSettings() {
178 return isProjectPreferencePage() && fUseProjectSettings != null && fUseProjectSettings.isSelected();
179 }
180
181 protected boolean isProjectPreferencePage() {
182 return fProject != null;
183 }
184
185 protected IProject getProject() {
186 return fProject;
187 }
188
189 final void doLinkActivated(Link link) {
190 Map data= new HashMap ();
191 data.put(DATA_NO_LINK, Boolean.TRUE);
192
193 if (isProjectPreferencePage()) {
194 openWorkspacePreferences(data);
195 } else {
196 HashSet projectsWithSpecifics= new HashSet ();
197 try {
198 IJavaProject[] projects= JavaCore.create(ResourcesPlugin.getWorkspace().getRoot()).getJavaProjects();
199 for (int i= 0; i < projects.length; i++) {
200 IJavaProject curr= projects[i];
201 if (hasProjectSpecificOptions(curr.getProject())) {
202 projectsWithSpecifics.add(curr);
203 }
204 }
205 } catch (JavaModelException e) {
206 }
208 ProjectSelectionDialog dialog= new ProjectSelectionDialog(getShell(), projectsWithSpecifics);
209 if (dialog.open() == Window.OK) {
210 IJavaProject res= (IJavaProject) dialog.getFirstResult();
211 openProjectProperties(res.getProject(), data);
212 }
213 }
214 }
215
216 protected final void openWorkspacePreferences(Object data) {
217 String id= getPreferencePageID();
218 PreferencesUtil.createPreferenceDialogOn(getShell(), id, new String [] { id }, data).open();
219 }
220
221 protected final void openProjectProperties(IProject project, Object data) {
222 String id= getPropertyPageID();
223 if (id != null) {
224 PreferencesUtil.createPropertyDialogOn(getShell(), project, id, new String [] { id }, data).open();
225 }
226 }
227
228
229 protected void enableProjectSpecificSettings(boolean useProjectSpecificSettings) {
230 fUseProjectSettings.setSelection(useProjectSpecificSettings);
231 enablePreferenceContent(useProjectSpecificSettings);
232 updateLinkVisibility();
233 doStatusChanged();
234 }
235
236 private void updateLinkVisibility() {
237 if (fChangeWorkspaceSettings == null || fChangeWorkspaceSettings.isDisposed()) {
238 return;
239 }
240
241 if (isProjectPreferencePage()) {
242 fChangeWorkspaceSettings.setEnabled(!useProjectSettings());
243 }
244 }
245
246
247 protected void setPreferenceContentStatus(IStatus status) {
248 fBlockStatus= status;
249 doStatusChanged();
250 }
251
252
257 protected IStatusChangeListener getNewStatusChangedListener() {
258 return new IStatusChangeListener() {
259 public void statusChanged(IStatus status) {
260 setPreferenceContentStatus(status);
261 }
262 };
263 }
264
265 protected IStatus getPreferenceContentStatus() {
266 return fBlockStatus;
267 }
268
269 protected void doStatusChanged() {
270 if (!isProjectPreferencePage() || useProjectSettings()) {
271 updateStatus(fBlockStatus);
272 } else {
273 updateStatus(new StatusInfo());
274 }
275 }
276
277 protected void enablePreferenceContent(boolean enable) {
278 if (enable) {
279 if (fBlockEnableState != null) {
280 fBlockEnableState.restore();
281 fBlockEnableState= null;
282 }
283 } else {
284 if (fBlockEnableState == null) {
285 fBlockEnableState= ControlEnableState.disable(fConfigurationBlockControl);
286 }
287 }
288 }
289
290
293 protected void performDefaults() {
294 if (useProjectSettings()) {
295 enableProjectSpecificSettings(false);
296 }
297 super.performDefaults();
298 }
299
300 private void updateStatus(IStatus status) {
301 setValid(!status.matches(IStatus.ERROR));
302 StatusUtil.applyToStatusLine(this, status);
303 }
304
305
308 public void init(IWorkbench workbench) {
309 }
310
311
314 public IAdaptable getElement() {
315 return fProject;
316 }
317
318
321 public void setElement(IAdaptable element) {
322 fProject= (IProject) element.getAdapter(IResource.class);
323 }
324
325
326
329 public void applyData(Object data) {
330 if (data instanceof Map ) {
331 fData= (Map ) data;
332 }
333 if (fChangeWorkspaceSettings != null) {
334 if (!offerLink()) {
335 fChangeWorkspaceSettings.dispose();
336 fParentComposite.layout(true, true);
337 }
338 }
339 }
340
341 protected Map getData() {
342 return fData;
343 }
344
345 }
346 |
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