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1
11 package org.eclipse.ui.internal.editors.text;
12
13 import java.util.ArrayList  ;
14 import java.util.Arrays ;
15 import java.util.HashSet ;
16 import java.util.Hashtable ;
17 import java.util.Iterator ;
18 import java.util.List ;
19 import java.util.Map ;
20
21 import org.eclipse.swt.SWT;
22 import org.eclipse.swt.custom.BusyIndicator;
23 import org.eclipse.swt.events.SelectionAdapter;
24 import org.eclipse.swt.events.SelectionEvent;
25 import org.eclipse.swt.events.SelectionListener;
26 import org.eclipse.swt.graphics.Font;
27 import org.eclipse.swt.layout.GridData;
28 import org.eclipse.swt.layout.GridLayout;
29 import org.eclipse.swt.widgets.Button;
30 import org.eclipse.swt.widgets.Composite;
31 import org.eclipse.swt.widgets.Control;
32 import org.eclipse.swt.widgets.Label;
33 import org.eclipse.swt.widgets.Shell;
34
35 import org.eclipse.core.runtime.CoreException;
36
37 import org.eclipse.core.resources.IContainer;
38 import org.eclipse.core.resources.IResource;
39 import org.eclipse.core.resources.IWorkspaceRoot;
40 import org.eclipse.core.resources.ResourcesPlugin;
41
42 import org.eclipse.jface.dialogs.Dialog;
43 import org.eclipse.jface.dialogs.IDialogConstants;
44 import org.eclipse.jface.viewers.CheckStateChangedEvent;
45 import org.eclipse.jface.viewers.ICheckStateListener;
46 import org.eclipse.jface.viewers.ITreeContentProvider;
47
48 import org.eclipse.ui.dialogs.TypeFilteringDialog;
49 import org.eclipse.ui.model.WorkbenchContentProvider;
50 import org.eclipse.ui.model.WorkbenchLabelProvider;
51
52
53
58 class SelectResourcesDialog extends Dialog {
59
60 interface IFilter {
61 boolean accept(IResource resource);
62 }
63
64 private SelectResourcesBlock fResourceGroup;
65 private List fAcceptedFileTypes = new ArrayList ();
66 private IResource[] fInput;
67 private String fTitle;
68 private String fInstruction;
69 private Label fCountIndication;
70 private IFilter fAcceptableLocationsFilter;
71
72
73 public SelectResourcesDialog(Shell parentShell, String title, String instruction, IFilter acceptableLocationsFilter) {
74 super(parentShell);
75 setShellStyle(getShellStyle() | SWT.RESIZE);
76 fTitle= title;
77 fInstruction= instruction;
78 fAcceptableLocationsFilter= acceptableLocationsFilter;
79 }
80
81 public void setInput(IResource[] input) {
82 fInput= input;
83 }
84
85 public IResource[] getSelectedResources() {
86 List items= fResourceGroup.getAllCheckedListItems();
87 return (IResource[]) items.toArray(new IResource[items.size()]);
88 }
89
90
93 protected void configureShell(Shell newShell) {
94 super.configureShell(newShell);
95
96 if (fTitle != null)
97 newShell.setText(fTitle);
98 }
99
100
103 protected Control createDialogArea(Composite parent) {
104 Composite composite= (Composite) super.createDialogArea(parent);
105 Label label= new Label(composite, SWT.LEFT);
106 label.setText(fInstruction);
107 label.setLayoutData(new GridData(GridData.FILL_BOTH));
108
109 fResourceGroup= new SelectResourcesBlock(composite, ResourcesPlugin.getWorkspace().getRoot(), getResourceProvider(IResource.FOLDER | IResource.PROJECT), WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider(), getResourceProvider(IResource.FILE), WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider(), SWT.NONE, useHeightHint(parent));
110 fResourceGroup.addCheckStateListener(new ICheckStateListener() {
111 public void checkStateChanged(CheckStateChangedEvent event) {
112 updateSelectionCount();
113 }
114 });
115
116 fCountIndication= new Label(composite, SWT.LEFT);
117 fCountIndication.setLayoutData(new GridData(GridData.FILL_BOTH));
118
119 createSelectionButtonGroup(composite);
120
121 setInitialSelection();
122 return composite;
123 }
124
125 private boolean useHeightHint(Composite parent) {
126 int fontHeight= (parent.getFont().getFontData())[0].getHeight();
127 int displayHeight= parent.getDisplay().getClientArea().height;
128 return (displayHeight / fontHeight) > 50;
129 }
130
131 private ITreeContentProvider getResourceProvider(final int resourceType) {
132 return new WorkbenchContentProvider() {
133 public Object [] getChildren(Object o) {
134 if (o instanceof IWorkspaceRoot) {
135 HashSet projects= new HashSet ();
136 for (int i= 0; i < fInput.length; i++) {
137 IResource project= fInput[i].getProject();
138 if ((project.getType() & resourceType) > 0)
139 projects.add(project);
140 }
141 return projects.toArray();
142 }
143
144 if (o instanceof IContainer) {
145 IResource[] members = null;
146 try {
147 members = ((IContainer) o).members();
148 } catch (CoreException e) {
149 return new Object [0];
151 }
152
153 ArrayList results = new ArrayList ();
155 for (int i = 0; i < members.length; i++) {
156 if ((members[i].getType() & resourceType) > 0 && (resourceType != IResource.FILE || fAcceptableLocationsFilter == null || fAcceptableLocationsFilter.accept(members[i]))) {
158 results.add(members[i]);
159 }
160 }
161 return results.toArray();
162 }
163
164 if (o instanceof ArrayList )
166 return ((ArrayList ) o).toArray();
167
168 return new Object [0];
169 }
170 };
171 }
172
173 protected final void createSelectionButtonGroup(Composite parent) {
174
175 Font font= parent.getFont();
176
177 Composite buttonComposite= new Composite(parent, SWT.NONE);
179 buttonComposite.setFont(parent.getFont());
180
181 GridLayout layout= new GridLayout();
182 layout.numColumns= 3;
183 layout.makeColumnsEqualWidth= true;
184 buttonComposite.setLayout(layout);
185 buttonComposite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL));
186
187 Button selectButton= createButton(buttonComposite, IDialogConstants.SELECT_ALL_ID, TextEditorMessages.SelectResourcesDialog_selectAll, false);
188
189 SelectionListener listener= new SelectionAdapter() {
190 public void widgetSelected(SelectionEvent e) {
191 fResourceGroup.setAllSelections(true);
192 updateSelectionCount();
193 }
194 };
195 selectButton.addSelectionListener(listener);
196 selectButton.setFont(font);
197 setButtonLayoutData(selectButton);
198
199 Button deselectButton= createButton(buttonComposite, IDialogConstants.DESELECT_ALL_ID, TextEditorMessages.SelectResourcesDialog_deselectAll, false);
200
201 listener= new SelectionAdapter() {
202 public void widgetSelected(SelectionEvent e) {
203 fResourceGroup.setAllSelections(false);
204 updateSelectionCount();
205 }
206 };
207 deselectButton.addSelectionListener(listener);
208 deselectButton.setFont(font);
209 setButtonLayoutData(deselectButton);
210
211 Button selectTypesButton= createButton(buttonComposite, IDialogConstants.SELECT_TYPES_ID, TextEditorMessages.SelectResourcesDialog_filterSelection, false);
213
214 listener= new SelectionAdapter() {
215 public void widgetSelected(SelectionEvent e) {
216 handleSelectFileTypes();
217 }
218 };
219 selectTypesButton.addSelectionListener(listener);
220 selectTypesButton.setFont(font);
221 setButtonLayoutData(selectTypesButton);
222 }
223
224 protected void handleSelectFileTypes() {
225 Object [] acceptedFileTypes= queryFileTypes();
226 if (acceptedFileTypes != null) {
227 fAcceptedFileTypes= Arrays.asList(acceptedFileTypes);
228 filterSelection();
229 }
230 }
231
232 protected Object [] queryFileTypes() {
233 TypeFilteringDialog dialog= new TypeFilteringDialog(getShell(), fAcceptedFileTypes);
234 dialog.open();
235 return dialog.getResult();
236 }
237
238 private void filterSelection() {
239
240 final IFilter filter= new IFilter() {
241 public boolean accept(IResource resource) {
242 return hasAcceptedFileType(resource);
243 }
244 };
245
246 List list= fResourceGroup.getAllWhiteCheckedItems();
247 final IResource[] resources= (IResource[]) list.toArray(new IResource[list.size()]);
248
249 Runnable runnable = new Runnable () {
250 public void run() {
251 setSelection(resources, filter);
252 }
253 };
254
255 BusyIndicator.showWhile(getShell().getDisplay(), runnable);
256 }
257
258 protected boolean hasAcceptedFileType(IResource resource) {
259 if (fAcceptedFileTypes == null)
260 return true;
261
262 String resourceName= resource.getName();
263 int separatorIndex= resourceName.lastIndexOf("."); if (separatorIndex == -1)
265 return false;
266
267 String extension= resourceName.substring(separatorIndex + 1);
268
269 Iterator e= fAcceptedFileTypes.iterator();
270 while (e.hasNext()) {
271 if (extension.equalsIgnoreCase((String ) e.next()))
272 return true;
273 }
274
275 return false;
276 }
277
278 protected void setInitialSelection() {
279 IFilter filter= new IFilter() {
280 public boolean accept(IResource resource) {
281 return true;
282 }
283 };
284 setSelection(fInput, filter);
285 selectAndReveal(fInput[0]);
286 }
287
288 protected void setSelection(IResource[] input, IFilter filter) {
289 Map selectionMap= new Hashtable ();
290 for (int i= 0; i < input.length; i++) {
291 IResource resource= input[i];
292 if ((resource.getType() & IResource.FILE) > 0) {
293 if (filter.accept(resource)) {
294 List files= null;
295 IContainer parent= resource.getParent();
296 if (selectionMap.containsKey(parent))
297 files= (List ) selectionMap.get(parent);
298 else
299 files= new ArrayList ();
300
301 files.add(resource);
302 selectionMap.put(parent, files);
303 }
304 } else
305 setSelection(selectionMap, (IContainer) resource, filter);
306 }
307 fResourceGroup.updateSelections(selectionMap);
308 updateSelectionCount();
309 }
310
311 private void setSelection(Map selectionMap, IContainer parent, IFilter filter) {
312 try {
313
314 IResource[] resources= parent.members();
315 List selections= new ArrayList ();
316
317 for (int i= 0; i < resources.length; i++) {
318 IResource resource= resources[i];
319 if ((resource.getType() & IResource.FILE) > 0) {
320 if (filter.accept(resource))
321 selections.add(resource);
322 } else {
323 setSelection(selectionMap, (IContainer) resource, filter);
324 }
325 }
326
327 if (!selections.isEmpty())
328 selectionMap.put(parent, selections);
329
330 } catch (CoreException x) {
331 return;
333 }
334 }
335
336 private void selectAndReveal(IResource resource) {
337 IContainer container= null;
338 if ((IResource.FILE & resource.getType()) > 0)
339 container= resource.getParent();
340 else
341 container= (IContainer) resource;
342 fResourceGroup.selectAndReveal(container);
343 }
344
345 private void updateSelectionCount() {
346 List listItems= fResourceGroup.getAllCheckedListItems();
347 int checkedFiles= listItems == null ? 0 : listItems.size();
348 StringBuffer buffer= new StringBuffer ();
349 switch (checkedFiles) {
350 case 0:
351 buffer.append(TextEditorMessages.SelectResourcesDialog_noFilesSelected);
352 break;
353 case 1:
354 buffer.append(TextEditorMessages.SelectResourcesDialog_oneFileSelected);
355 break;
356 default:
357 buffer.append(NLSUtility.format(TextEditorMessages.SelectResourcesDialog_nFilesSelected, new Integer (checkedFiles)));
358 }
359 fCountIndication.setText(buffer.toString());
360
361 Button okButton= getButton(IDialogConstants.OK_ID);
362 if (okButton != null)
363 okButton.setEnabled(checkedFiles > 0);
364 }
365 }
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