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1
11 package org.eclipse.pde.internal.ui.preferences;
12
13 import java.io.File  ;
14 import java.util.ArrayList ;
15 import java.util.Arrays ;
16
17 import org.eclipse.core.runtime.Path;
18 import org.eclipse.core.runtime.Preferences;
19 import org.eclipse.jface.dialogs.Dialog;
20 import org.eclipse.jface.resource.ImageDescriptor;
21 import org.eclipse.jface.viewers.ISelectionChangedListener;
22 import org.eclipse.jface.viewers.IStructuredSelection;
23 import org.eclipse.jface.viewers.ITreeContentProvider;
24 import org.eclipse.jface.viewers.LabelProvider;
25 import org.eclipse.jface.viewers.SelectionChangedEvent;
26 import org.eclipse.jface.viewers.StructuredSelection;
27 import org.eclipse.jface.viewers.TreeViewer;
28 import org.eclipse.pde.core.plugin.IPluginExtensionPoint;
29 import org.eclipse.pde.core.plugin.IPluginModelBase;
30 import org.eclipse.pde.internal.core.ICoreConstants;
31 import org.eclipse.pde.internal.core.PDECore;
32 import org.eclipse.pde.internal.core.SourceLocation;
33 import org.eclipse.pde.internal.core.SourceLocationManager;
34 import org.eclipse.pde.internal.ui.IHelpContextIds;
35 import org.eclipse.pde.internal.ui.PDEPlugin;
36 import org.eclipse.pde.internal.ui.PDEPluginImages;
37 import org.eclipse.pde.internal.ui.PDEUIMessages;
38 import org.eclipse.pde.internal.ui.elements.DefaultContentProvider;
39 import org.eclipse.pde.internal.ui.search.ShowDescriptionAction;
40 import org.eclipse.pde.internal.ui.util.OverlayIcon;
41 import org.eclipse.pde.internal.ui.util.SWTUtil;
42 import org.eclipse.swt.SWT;
43 import org.eclipse.swt.events.KeyAdapter;
44 import org.eclipse.swt.events.KeyEvent;
45 import org.eclipse.swt.events.SelectionAdapter;
46 import org.eclipse.swt.events.SelectionEvent;
47 import org.eclipse.swt.graphics.Image;
48 import org.eclipse.swt.layout.GridData;
49 import org.eclipse.swt.layout.GridLayout;
50 import org.eclipse.swt.widgets.Button;
51 import org.eclipse.swt.widgets.Composite;
52 import org.eclipse.swt.widgets.Control;
53 import org.eclipse.swt.widgets.DirectoryDialog;
54 import org.eclipse.ui.ISharedImages;
55 import org.eclipse.ui.PlatformUI;
56 import org.eclipse.ui.forms.events.HyperlinkEvent;
57 import org.eclipse.ui.forms.events.IHyperlinkListener;
58 import org.eclipse.ui.forms.widgets.FormText;
59 import org.eclipse.ui.forms.widgets.FormToolkit;
60
61
62 public class SourceBlock implements IHyperlinkListener {
63 private Image fFolderImage;
64 private TreeViewer fTreeViewer;
65 private Image fExtensionImage;
66 private Image fUserImage;
67
68 private SourceLocation[] fExtensionLocations = new SourceLocation[0];
69 private ArrayList fUserLocations = new ArrayList ();
70 private NamedElement fSystemNode;
71 private NamedElement fUserNode;
72 private Button fAddButton;
73 private Button fRemoveButton;
74
75 class NamedElement {
76 String text;
77 public NamedElement(String text) {
78 this.text = text;
79 }
80 public String toString() {
81 return text;
82 }
83 }
84
85 class SourceProvider extends DefaultContentProvider implements ITreeContentProvider {
86 public Object [] getElements(Object input) {
87 return new Object [] {fSystemNode, fUserNode};
88 }
89
90 public Object [] getChildren(Object element) {
91 if (element.equals(fUserNode))
92 return fUserLocations.toArray();
93 if (element.equals(fSystemNode))
94 return fExtensionLocations;
95 return new Object [0];
96 }
97
98 public Object getParent(Object element) {
99 if (element instanceof SourceLocation) {
100 SourceLocation loc = (SourceLocation)element;
101 return loc.isUserDefined() ? fUserNode : fSystemNode;
102 }
103 return null;
104 }
105
106 public boolean hasChildren(Object element) {
107 if (element.equals(fSystemNode))
108 return fExtensionLocations.length > 0;
109 if (element.equals(fUserNode))
110 return fUserLocations.size() > 0;
111 return false;
112 }
113 }
114
115 class SourceLabelProvider extends LabelProvider {
116 public String getText(Object obj) {
117 if (obj instanceof SourceLocation) {
118 SourceLocation location = (SourceLocation) obj;
119 return location.getPath().toOSString();
120 }
121 return super.getText(obj);
122 }
123 public Image getImage(Object obj) {
124 if (obj instanceof SourceLocation)
125 return fFolderImage;
126
127 return obj.equals(fUserNode)? fUserImage : fExtensionImage;
128 }
129 }
130
131 public SourceBlock() {
132 initializeImages();
133 fSystemNode = new NamedElement(PDEUIMessages.SourceBlock_target); fUserNode = new NamedElement(PDEUIMessages.SourceBlock_additional); SourceLocationManager manager = PDECore.getDefault().getSourceLocationManager();
136 fExtensionLocations = manager.getExtensionLocations();
137 fUserLocations.addAll(Arrays.asList(manager.getUserLocations()));
138 }
139
140 private void initializeImages() {
141 fExtensionImage = PDEPluginImages.DESC_SOURCE_ATTACHMENT_OBJ.createImage();
142 ImageDescriptor userDesc =
143 new OverlayIcon(
144 PDEPluginImages.DESC_SOURCE_ATTACHMENT_OBJ,
145 new ImageDescriptor[][] { { PDEPluginImages.DESC_DOC_CO }
146 });
147 fUserImage = userDesc.createImage();
148 fFolderImage = PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER);
149 }
150
151 public void resetExtensionLocations(IPluginModelBase[] models) {
152 fExtensionLocations = SourceLocationManager.computeSourceLocations(models);
153 fTreeViewer.refresh(fSystemNode);
154 }
155
156 private String encodeSourceLocations() {
157 StringBuffer buf = new StringBuffer ();
158 for (int i = 0; i < fUserLocations.size(); i++) {
159 if (i > 0)
160 buf.append(File.pathSeparatorChar);
161 buf.append(((SourceLocation) fUserLocations.get(i)).getPath().toOSString());
162 }
163 return buf.toString();
164 }
165
166 public void dispose() {
167 fExtensionImage.dispose();
168 fUserImage.dispose();
169 }
170
171
174 public boolean performOk() {
175 Preferences preferences = PDECore.getDefault().getPluginPreferences();
176 preferences.setValue(ICoreConstants.P_SOURCE_LOCATIONS, encodeSourceLocations());
177 PDECore.getDefault().getSourceLocationManager().setExtensionLocations(fExtensionLocations);
178 PDECore.getDefault().getJavadocLocationManager().reset();
179 return true;
180 }
181
182 public void performDefaults() {
183 fUserLocations.clear();
184 fTreeViewer.refresh();
185 }
186
187 protected void handleAdd() {
188 String path = getDirectoryDialog(null).open();
189 if (path != null) {
190 SourceLocation location = new SourceLocation(new Path(path));
191 fUserLocations.add(location);
192 fTreeViewer.add(fUserNode, location);
193 fTreeViewer.setSelection(new StructuredSelection(location));
194 }
195 }
196
197 private DirectoryDialog getDirectoryDialog(String filterPath) {
198 DirectoryDialog dialog = new DirectoryDialog(PDEPlugin.getActiveWorkbenchShell());
199 dialog.setMessage(PDEUIMessages.SourcePreferencePage_dialogMessage); if (filterPath != null)
201 dialog.setFilterPath(filterPath);
202 return dialog;
203 }
204
205 protected void handleRemove() {
206 IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
207 Object object = selection.getFirstElement();
208 if (object instanceof SourceLocation) {
209 SourceLocation location = (SourceLocation) object;
210 if (location.isUserDefined()) {
211 fUserLocations.remove(location);
212 fTreeViewer.remove(location);
213 }
214 }
215 }
216
217
220 public Control createContents(Composite parent) {
221 Composite container = new Composite(parent, SWT.NULL);
222 GridLayout layout = new GridLayout();
223 layout.numColumns = 2;
224 layout.verticalSpacing = 10;
225 container.setLayout(layout);
226
227 FormToolkit toolkit = new FormToolkit(parent.getDisplay());
228 FormText text = toolkit.createFormText(container, true);
229 text.setText(PDEUIMessages.SourceBlock_desc, true, false); GridData gd = new GridData(GridData.FILL);
231 gd.horizontalSpan = 2;
232 text.setLayoutData(gd);
233 text.setBackground(null);
234 text.addHyperlinkListener(this);
235 toolkit.dispose();
236
237 fTreeViewer = new TreeViewer(container, SWT.BORDER);
238 fTreeViewer.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));
239 fTreeViewer.setContentProvider(new SourceProvider());
240 fTreeViewer.setLabelProvider(new SourceLabelProvider());
241 fTreeViewer.setInput(this);
242 fTreeViewer.expandAll();
243 fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
244 public void selectionChanged(SelectionChangedEvent event) {
245 IStructuredSelection ssel = (IStructuredSelection)event.getSelection();
246 boolean removeEnabled = false;
247 if (ssel != null && ssel.size() > 0) {
248 Object object = ssel.getFirstElement();
249 removeEnabled = (object instanceof SourceLocation && ((SourceLocation)object).isUserDefined());
250 }
251 fRemoveButton.setEnabled(removeEnabled);
252 }
253 });
254 fTreeViewer.getTree().addKeyListener(new KeyAdapter() {
255 public void keyPressed(KeyEvent event) {
256 if (event.character == SWT.DEL && event.stateMask == 0) {
257 handleRemove();
258 }
259 }
260 });
261
262 Composite buttonContainer = new Composite(container, SWT.NONE);
263 layout = new GridLayout();
264 layout.marginWidth = layout.marginHeight = 0;
265 buttonContainer.setLayout(layout);
266 buttonContainer.setLayoutData(new GridData(GridData.FILL_VERTICAL));
267
268 fAddButton = new Button(buttonContainer, SWT.PUSH);
269 fAddButton.setText(PDEUIMessages.SourceBlock_add); fAddButton.setLayoutData(new GridData(GridData.FILL | GridData.VERTICAL_ALIGN_BEGINNING));
271 SWTUtil.setButtonDimensionHint(fAddButton);
272 fAddButton.addSelectionListener(new SelectionAdapter() {
273 public void widgetSelected(SelectionEvent e) {
274 handleAdd();
275 }
276 });
277
278 fRemoveButton = new Button(buttonContainer, SWT.PUSH);
279 fRemoveButton.setText(PDEUIMessages.SourceBlock_remove); fRemoveButton.setLayoutData(new GridData(GridData.FILL | GridData.VERTICAL_ALIGN_BEGINNING));
281 SWTUtil.setButtonDimensionHint(fRemoveButton);
282 fRemoveButton.addSelectionListener(new SelectionAdapter() {
283 public void widgetSelected(SelectionEvent e) {
284 handleRemove();
285 }
286 });
287 fRemoveButton.setEnabled(false);
288
289 Dialog.applyDialogFont(parent);
290 PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IHelpContextIds.SOURCE_PREFERENCE_PAGE);
291 return container;
292 }
293
294 public void linkEntered(HyperlinkEvent e) {
295 }
296
297 public void linkExited(HyperlinkEvent e) {
298 }
299
300 public void linkActivated(HyperlinkEvent e) {
301 IPluginExtensionPoint point = PDECore.getDefault().findExtensionPoint("org.eclipse.pde.core.source"); if (point != null)
303 new ShowDescriptionAction(point, true).run();
304 }
305
306 }
307 |
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