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1
13
14 package org.eclipse.ui.dialogs;
15
16 import org.eclipse.core.filesystem.IFileStore;
17 import org.eclipse.core.resources.IContainer;
18 import org.eclipse.core.resources.IPathVariableManager;
19 import org.eclipse.core.resources.IResource;
20 import org.eclipse.core.resources.IWorkspace;
21 import org.eclipse.core.resources.ResourcesPlugin;
22 import org.eclipse.core.runtime.IPath;
23 import org.eclipse.core.runtime.IStatus;
24 import org.eclipse.core.runtime.Path;
25 import org.eclipse.jface.dialogs.IDialogConstants;
26 import org.eclipse.jface.wizard.WizardPage;
27 import org.eclipse.swt.SWT;
28 import org.eclipse.swt.events.ModifyEvent;
29 import org.eclipse.swt.events.ModifyListener;
30 import org.eclipse.swt.events.SelectionAdapter;
31 import org.eclipse.swt.events.SelectionEvent;
32 import org.eclipse.swt.events.SelectionListener;
33 import org.eclipse.swt.graphics.Font;
34 import org.eclipse.swt.layout.GridData;
35 import org.eclipse.swt.layout.GridLayout;
36 import org.eclipse.swt.widgets.Button;
37 import org.eclipse.swt.widgets.Composite;
38 import org.eclipse.swt.widgets.DirectoryDialog;
39 import org.eclipse.swt.widgets.FileDialog;
40 import org.eclipse.swt.widgets.Label;
41 import org.eclipse.swt.widgets.Text;
42 import org.eclipse.ui.PlatformUI;
43 import org.eclipse.ui.ide.dialogs.PathVariableSelectionDialog;
44 import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
45 import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
46 import org.eclipse.ui.internal.ide.IIDEHelpContextIds;
47 import org.eclipse.ui.internal.ide.dialogs.IDEResourceInfoUtils;
48
49
57 public class WizardNewLinkPage extends WizardPage {
58 private String  initialLinkTarget;
59
60 private int type;
61
62 private boolean createLink = false;
63
64 private IContainer container;
65
66 private Text linkTargetField;
68
69 private Button browseButton;
70
71 private Button variablesButton;
72
73
80 public WizardNewLinkPage(String pageName, int type) {
81 super(pageName);
82 this.type = type;
83 setPageComplete(true);
84 }
85
86
89 public void createControl(Composite parent) {
90 Font font = parent.getFont();
91 initializeDialogUnits(parent);
92 Composite topLevel = new Composite(parent, SWT.NONE);
94 GridLayout layout = new GridLayout();
95 layout.numColumns = 3;
96 topLevel.setLayout(layout);
97 topLevel.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL
98 | GridData.HORIZONTAL_ALIGN_FILL));
99 topLevel.setFont(font);
100 PlatformUI.getWorkbench().getHelpSystem().setHelp(topLevel,
101 IIDEHelpContextIds.NEW_LINK_WIZARD_PAGE);
102
103 final Button createLinkButton = new Button(topLevel, SWT.CHECK);
104 if (type == IResource.FILE) {
105 createLinkButton.setText(IDEWorkbenchMessages.WizardNewLinkPage_linkFileButton);
106 } else {
107 createLinkButton.setText(IDEWorkbenchMessages.WizardNewLinkPage_linkFolderButton);
108 }
109 createLinkButton.setSelection(createLink);
110 GridData data = new GridData();
111 data.horizontalSpan = 3;
112 createLinkButton.setLayoutData(data);
113 createLinkButton.setFont(font);
114 SelectionListener listener = new SelectionAdapter() {
115 public void widgetSelected(SelectionEvent e) {
116 createLink = createLinkButton.getSelection();
117 browseButton.setEnabled(createLink);
118 variablesButton.setEnabled(createLink);
119 linkTargetField.setEnabled(createLink);
120 setPageComplete(validatePage());
121 }
122 };
123 createLinkButton.addSelectionListener(listener);
124
125 createLinkLocationGroup(topLevel, createLink);
126 validatePage();
127
128 setErrorMessage(null);
129 setMessage(null);
130 setControl(topLevel);
131 }
132
133
139 private void createLinkLocationGroup(Composite locationGroup,
140 boolean enabled) {
141 Font font = locationGroup.getFont();
142 Label fill = new Label(locationGroup, SWT.NONE);
143 GridData data = new GridData();
144 Button button = new Button(locationGroup, SWT.CHECK);
145 data.widthHint = button.computeSize(SWT.DEFAULT, SWT.DEFAULT).x;
146 button.dispose();
147 fill.setLayoutData(data);
148
149 linkTargetField = new Text(locationGroup, SWT.BORDER);
151 data = new GridData(GridData.FILL_HORIZONTAL);
152 linkTargetField.setLayoutData(data);
153 linkTargetField.setFont(font);
154 linkTargetField.setEnabled(enabled);
155 linkTargetField.addModifyListener(new ModifyListener() {
156 public void modifyText(ModifyEvent e) {
157 setPageComplete(validatePage());
158 }
159 });
160 if (initialLinkTarget != null) {
161 linkTargetField.setText(initialLinkTarget);
162 }
163
164 browseButton = new Button(locationGroup, SWT.PUSH);
166 setButtonLayoutData(browseButton);
167 browseButton.setFont(font);
168 browseButton.setText(IDEWorkbenchMessages.WizardNewLinkPage_browseButton);
169 browseButton.addSelectionListener(new SelectionAdapter() {
170 public void widgetSelected(SelectionEvent event) {
171 handleLinkTargetBrowseButtonPressed();
172 }
173 });
174 browseButton.setEnabled(enabled);
175
176 fill = new Label(locationGroup, SWT.NONE);
177 data = new GridData();
178 data.horizontalSpan = 2;
179 fill.setLayoutData(data);
180
181 variablesButton = new Button(locationGroup, SWT.PUSH);
183 setButtonLayoutData(variablesButton);
184 variablesButton.setFont(font);
185 variablesButton.setText(IDEWorkbenchMessages.WizardNewLinkPage_variablesButton);
186 variablesButton.addSelectionListener(new SelectionAdapter() {
187 public void widgetSelected(SelectionEvent event) {
188 handleVariablesButtonPressed();
189 }
190 });
191 variablesButton.setEnabled(enabled);
192 }
193
194
200 public String getLinkTarget() {
201 if (createLink && linkTargetField != null
202 && linkTargetField.isDisposed() == false) {
203 return linkTargetField.getText();
204 }
205 return null;
206 }
207
208
211 private void handleLinkTargetBrowseButtonPressed() {
212 String linkTargetName = linkTargetField.getText();
213 String selection = null;
214 IFileStore store = null;
215 if (linkTargetName.length() > 0) {
216 store = IDEResourceInfoUtils.getFileStore(linkTargetName);
217 if (store == null || !store.fetchInfo().exists()) {
218 store = null;
219 }
220 }
221 if (type == IResource.FILE) {
222 FileDialog dialog = new FileDialog(getShell());
223 if (store != null) {
224 if (store.fetchInfo().isDirectory()) {
225 dialog.setFilterPath(linkTargetName);
226 } else {
227 dialog.setFileName(linkTargetName);
228 }
229 }
230 selection = dialog.open();
231 } else {
232 DirectoryDialog dialog = new DirectoryDialog(getShell());
233 if (store != null) {
234 if (!store.fetchInfo().isDirectory()) {
235 linkTargetName = store.getParent().getName();
236 }
237 if (linkTargetName != null) {
238 dialog.setFilterPath(linkTargetName);
239 }
240 }
241 dialog.setMessage(IDEWorkbenchMessages.WizardNewLinkPage_targetSelectionLabel);
242 selection = dialog.open();
243 }
244 if (selection != null) {
245 linkTargetField.setText(selection);
246 }
247 }
248
249
252 private void handleVariablesButtonPressed() {
253 PathVariableSelectionDialog dialog = new PathVariableSelectionDialog(
254 getShell(), type);
255
256 if (dialog.open() == IDialogConstants.OK_ID) {
257 String [] variableNames = (String []) dialog.getResult();
258
259 if (variableNames != null) {
260 IPathVariableManager pathVariableManager = ResourcesPlugin
261 .getWorkspace().getPathVariableManager();
262 IPath path = pathVariableManager.getValue(variableNames[0]);
263
264 if (path != null) {
265 linkTargetField.setText(path.toOSString());
266 }
267 }
268 }
269 }
270
271
278 public void setContainer(IContainer container) {
279 this.container = container;
280 }
281
282
287 public void setLinkTarget(String target) {
288 initialLinkTarget = target;
289 if (linkTargetField != null && linkTargetField.isDisposed() == false) {
290 linkTargetField.setText(target);
291 }
292 }
293
294
302 private boolean validateFileType(IFileStore linkTargetStore) {
303 boolean valid = true;
304
305 if (type == IResource.FILE && linkTargetStore.fetchInfo().isDirectory()) {
306 setErrorMessage(IDEWorkbenchMessages.WizardNewLinkPage_linkTargetNotFile);
307 valid = false;
308 } else if (type == IResource.FOLDER
309 && !linkTargetStore.fetchInfo().isDirectory()) {
310 setErrorMessage(IDEWorkbenchMessages.WizardNewLinkPage_linkTargetNotFolder);
311 valid = false;
312 }
313 return valid;
314 }
315
316
323 private boolean validateLinkTargetName(String linkTargetName) {
324 boolean valid = true;
325
326 if ("".equals(linkTargetName)) { setErrorMessage(IDEWorkbenchMessages.WizardNewLinkPage_linkTargetEmpty);
328 valid = false;
329 } else {
330 IPath path = new Path(""); if (path.isValidPath(linkTargetName) == false) {
332 setErrorMessage(IDEWorkbenchMessages.WizardNewLinkPage_linkTargetInvalid);
333 valid = false;
334 }
335 }
336 return valid;
337 }
338
339
346 private boolean validatePage() {
347 boolean valid = true;
348 IWorkspace workspace = IDEWorkbenchPlugin.getPluginWorkspace();
349
350 if (createLink) {
351 String linkTargetName = linkTargetField.getText();
352
353 valid = validateLinkTargetName(linkTargetName);
354 if (valid) {
355 IFileStore linkTargetFile = IDEResourceInfoUtils.getFileStore(linkTargetName);
356 if (linkTargetFile == null || !linkTargetFile.fetchInfo().exists()) {
357 setErrorMessage(IDEWorkbenchMessages.WizardNewLinkPage_linkTargetNonExistent);
358 valid = false;
359 } else {
360 IStatus locationStatus = workspace.validateLinkLocation(
361 container, new Path(linkTargetName));
362
363 if (locationStatus.isOK() == false) {
364 setErrorMessage(IDEWorkbenchMessages.WizardNewLinkPage_linkTargetLocationInvalid);
365 valid = false;
366 } else {
367 valid = validateFileType(linkTargetFile);
368 }
369 }
370 }
371 }
372 if (valid) {
375 setMessage(null);
376 setErrorMessage(null);
377 }
378 return valid;
379 }
380 }
381 |
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