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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.dialogs.DialogPage;
21 import org.eclipse.jface.resource.ImageDescriptor;
22 import org.eclipse.jface.viewers.ISelectionChangedListener;
23 import org.eclipse.jface.viewers.IStructuredSelection;
24 import org.eclipse.jface.viewers.ITreeContentProvider;
25 import org.eclipse.jface.viewers.LabelProvider;
26 import org.eclipse.jface.viewers.SelectionChangedEvent;
27 import org.eclipse.jface.viewers.StructuredSelection;
28 import org.eclipse.jface.viewers.TreeViewer;
29 import org.eclipse.pde.core.plugin.IPluginExtensionPoint;
30 import org.eclipse.pde.core.plugin.IPluginModelBase;
31 import org.eclipse.pde.internal.core.ICoreConstants;
32 import org.eclipse.pde.internal.core.PDECore;
33 import org.eclipse.pde.internal.core.PDEStateHelper;
34 import org.eclipse.pde.internal.core.SourceLocation;
35 import org.eclipse.pde.internal.core.SourceLocationManager;
36 import org.eclipse.pde.internal.core.itarget.ITarget;
37 import org.eclipse.pde.internal.ui.IHelpContextIds;
38 import org.eclipse.pde.internal.ui.PDEPluginImages;
39 import org.eclipse.pde.internal.ui.PDEUIMessages;
40 import org.eclipse.pde.internal.ui.elements.DefaultContentProvider;
41 import org.eclipse.pde.internal.ui.search.ShowDescriptionAction;
42 import org.eclipse.pde.internal.ui.util.OverlayIcon;
43 import org.eclipse.pde.internal.ui.util.SWTUtil;
44 import org.eclipse.swt.SWT;
45 import org.eclipse.swt.events.KeyAdapter;
46 import org.eclipse.swt.events.KeyEvent;
47 import org.eclipse.swt.events.SelectionAdapter;
48 import org.eclipse.swt.events.SelectionEvent;
49 import org.eclipse.swt.graphics.Image;
50 import org.eclipse.swt.layout.GridData;
51 import org.eclipse.swt.layout.GridLayout;
52 import org.eclipse.swt.widgets.Button;
53 import org.eclipse.swt.widgets.Composite;
54 import org.eclipse.swt.widgets.Control;
55 import org.eclipse.swt.widgets.DirectoryDialog;
56 import org.eclipse.swt.widgets.Link;
57 import org.eclipse.ui.ISharedImages;
58 import org.eclipse.ui.PlatformUI;
59
60
61 public class TargetSourceTab {
62 private Image fFolderImage;
63 private TreeViewer fTreeViewer;
64 private Image fExtensionImage;
65 private Image fUserImage;
66
67 private SourceLocation[] fExtensionLocations = new SourceLocation[0];
68 private ArrayList fUserLocations = new ArrayList ();
69 private NamedElement fSystemNode;
70 private NamedElement fUserNode;
71 private Button fAddButton;
72 private Button fRemoveButton;
73 private String fLastUserPath = null;
74
75 private DialogPage fPage = null;
76
77 class NamedElement {
78 String text;
79 public NamedElement(String text) {
80 this.text = text;
81 }
82 public String toString() {
83 return text;
84 }
85 }
86
87 class SourceProvider extends DefaultContentProvider implements ITreeContentProvider {
88 public Object [] getElements(Object input) {
89 return new Object [] {fSystemNode, fUserNode};
90 }
91
92 public Object [] getChildren(Object element) {
93 if (element.equals(fUserNode))
94 return fUserLocations.toArray();
95 if (element.equals(fSystemNode))
96 return fExtensionLocations;
97 return new Object [0];
98 }
99
100 public Object getParent(Object element) {
101 if (element instanceof SourceLocation) {
102 SourceLocation loc = (SourceLocation)element;
103 return loc.isUserDefined() ? fUserNode : fSystemNode;
104 }
105 return null;
106 }
107
108 public boolean hasChildren(Object element) {
109 if (element.equals(fSystemNode))
110 return fExtensionLocations.length > 0;
111 if (element.equals(fUserNode))
112 return fUserLocations.size() > 0;
113 return false;
114 }
115 }
116
117 class SourceLabelProvider extends LabelProvider {
118 public String getText(Object obj) {
119 if (obj instanceof SourceLocation) {
120 SourceLocation location = (SourceLocation) obj;
121 return location.getPath().toOSString();
122 }
123 return super.getText(obj);
124 }
125 public Image getImage(Object obj) {
126 if (obj instanceof SourceLocation)
127 return fFolderImage;
128
129 return obj.equals(fUserNode)? fUserImage : fExtensionImage;
130 }
131 }
132
133 public TargetSourceTab(DialogPage page) {
134 initializeImages();
135 fSystemNode = new NamedElement(PDEUIMessages.SourceBlock_target);
136 fUserNode = new NamedElement(PDEUIMessages.SourceBlock_additional);
137 SourceLocationManager manager = PDECore.getDefault().getSourceLocationManager();
138 fExtensionLocations = manager.getExtensionLocations();
139 fUserLocations.addAll(Arrays.asList(manager.getUserLocations()));
140 fPage = page;
141 }
142
143 private void initializeImages() {
144 fExtensionImage = PDEPluginImages.DESC_SOURCE_ATTACHMENT_OBJ.createImage();
145 ImageDescriptor userDesc =
146 new OverlayIcon(
147 PDEPluginImages.DESC_SOURCE_ATTACHMENT_OBJ,
148 new ImageDescriptor[][] { { PDEPluginImages.DESC_DOC_CO }
149 });
150 fUserImage = userDesc.createImage();
151 fFolderImage = PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER);
152 }
153
154 public void resetExtensionLocations(IPluginModelBase[] models) {
155 fExtensionLocations = SourceLocationManager.computeSourceLocations(models);
156 fTreeViewer.refresh(fSystemNode);
157 }
158
159 private String encodeSourceLocations() {
160 StringBuffer buf = new StringBuffer ();
161 for (int i = 0; i < fUserLocations.size(); i++) {
162 if (i > 0)
163 buf.append(File.pathSeparatorChar);
164 buf.append(((SourceLocation) fUserLocations.get(i)).getPath().toOSString());
165 }
166 return buf.toString();
167 }
168
169 public void dispose() {
170 fExtensionImage.dispose();
171 fUserImage.dispose();
172 }
173
174
177 public boolean performOk() {
178 Preferences preferences = PDECore.getDefault().getPluginPreferences();
179 preferences.setValue(ICoreConstants.P_SOURCE_LOCATIONS, encodeSourceLocations());
180 PDECore.getDefault().getSourceLocationManager().setExtensionLocations(fExtensionLocations);
181 PDECore.getDefault().getJavadocLocationManager().reset();
182 return true;
183 }
184
185 public void performDefaults() {
186 fUserLocations.clear();
187 fTreeViewer.refresh();
188 }
189
190 protected void loadTargetProfile(ITarget target) {
191 }
193
194 protected void handleAdd() {
195 String path = getDirectoryDialog(fLastUserPath).open();
196 if (path != null) {
197 SourceLocation location = new SourceLocation(new Path(path));
198 fUserLocations.add(location);
199 fTreeViewer.add(fUserNode, location);
200 fTreeViewer.setSelection(new StructuredSelection(location));
201 fLastUserPath = path;
202 }
203 }
204
205 private DirectoryDialog getDirectoryDialog(String filterPath) {
206 DirectoryDialog dialog = new DirectoryDialog(fPage.getShell());
207 dialog.setMessage(PDEUIMessages.SourcePreferencePage_dialogMessage);
208 if (filterPath != null)
209 dialog.setFilterPath(filterPath);
210 return dialog;
211 }
212
213 protected void handleRemove() {
214 IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
215 Object object = selection.getFirstElement();
216 if (object instanceof SourceLocation) {
217 SourceLocation location = (SourceLocation) object;
218 if (location.isUserDefined()) {
219 fUserLocations.remove(location);
220 fTreeViewer.remove(location);
221 }
222 }
223 }
224
225
228 public Control createContents(Composite parent) {
229 Composite container = new Composite(parent, SWT.NULL);
230 GridLayout layout = new GridLayout();
231 layout.numColumns = 2;
232 layout.verticalSpacing = 10;
233 container.setLayout(layout);
234
235 Link text = new Link(container, SWT.WRAP);
236 text.setText(PDEUIMessages.SourceBlock_desc);
237 GridData gd = new GridData();
238 gd.horizontalSpan = 2;
239 gd.widthHint = 400;
240 text.setLayoutData(gd);
241 text.addSelectionListener(new SelectionAdapter() {
242 public void widgetSelected(SelectionEvent e) {
243 IPluginExtensionPoint point = PDEStateHelper.findExtensionPoint("org.eclipse.pde.core.source"); if (point != null)
245 new ShowDescriptionAction(point, true).run();
246 }
247 });
248
249 fTreeViewer = new TreeViewer(container, SWT.BORDER);
250 fTreeViewer.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));
251 fTreeViewer.setContentProvider(new SourceProvider());
252 fTreeViewer.setLabelProvider(new SourceLabelProvider());
253 fTreeViewer.setInput(this);
254 fTreeViewer.expandAll();
255 fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
256 public void selectionChanged(SelectionChangedEvent event) {
257 IStructuredSelection ssel = (IStructuredSelection)event.getSelection();
258 boolean removeEnabled = false;
259 if (ssel != null && ssel.size() > 0) {
260 Object object = ssel.getFirstElement();
261 removeEnabled = (object instanceof SourceLocation && ((SourceLocation)object).isUserDefined());
262 }
263 fRemoveButton.setEnabled(removeEnabled);
264 }
265 });
266 fTreeViewer.getTree().addKeyListener(new KeyAdapter() {
267 public void keyPressed(KeyEvent event) {
268 if (event.character == SWT.DEL && event.stateMask == 0) {
269 handleRemove();
270 }
271 }
272 });
273
274 Composite buttonContainer = new Composite(container, SWT.NONE);
275 layout = new GridLayout();
276 layout.marginWidth = layout.marginHeight = 0;
277 buttonContainer.setLayout(layout);
278 buttonContainer.setLayoutData(new GridData(GridData.FILL_VERTICAL));
279
280 fAddButton = new Button(buttonContainer, SWT.PUSH);
281 fAddButton.setText(PDEUIMessages.SourceBlock_add);
282 fAddButton.setLayoutData(new GridData(GridData.FILL | GridData.VERTICAL_ALIGN_BEGINNING));
283 SWTUtil.setButtonDimensionHint(fAddButton);
284 fAddButton.addSelectionListener(new SelectionAdapter() {
285 public void widgetSelected(SelectionEvent e) {
286 handleAdd();
287 }
288 });
289
290 fRemoveButton = new Button(buttonContainer, SWT.PUSH);
291 fRemoveButton.setText(PDEUIMessages.SourceBlock_remove);
292 fRemoveButton.setLayoutData(new GridData(GridData.FILL | GridData.VERTICAL_ALIGN_BEGINNING));
293 SWTUtil.setButtonDimensionHint(fRemoveButton);
294 fRemoveButton.addSelectionListener(new SelectionAdapter() {
295 public void widgetSelected(SelectionEvent e) {
296 handleRemove();
297 }
298 });
299 fRemoveButton.setEnabled(false);
300
301 Dialog.applyDialogFont(parent);
302 PlatformUI.getWorkbench().getHelpSystem().setHelp(container, IHelpContextIds.SOURCE_PREFERENCE_PAGE);
303 return container;
304 }
305
306 }
307 |
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