|
1
11 package org.eclipse.jdt.internal.ui.actions;
12
13 import java.util.ArrayList  ;
14 import java.util.List ;
15
16 import org.eclipse.swt.SWT;
17 import org.eclipse.swt.events.SelectionAdapter;
18 import org.eclipse.swt.events.SelectionEvent;
19 import org.eclipse.swt.events.SelectionListener;
20 import org.eclipse.swt.layout.GridData;
21 import org.eclipse.swt.layout.GridLayout;
22 import org.eclipse.swt.widgets.Button;
23 import org.eclipse.swt.widgets.Combo;
24 import org.eclipse.swt.widgets.Composite;
25 import org.eclipse.swt.widgets.Control;
26 import org.eclipse.swt.widgets.Label;
27 import org.eclipse.swt.widgets.Link;
28 import org.eclipse.swt.widgets.Shell;
29
30 import org.eclipse.jface.dialogs.IDialogConstants;
31 import org.eclipse.jface.dialogs.IDialogSettings;
32 import org.eclipse.jface.viewers.CheckboxTreeViewer;
33 import org.eclipse.jface.viewers.DoubleClickEvent;
34 import org.eclipse.jface.viewers.IDoubleClickListener;
35 import org.eclipse.jface.viewers.ILabelProvider;
36 import org.eclipse.jface.viewers.ISelectionChangedListener;
37 import org.eclipse.jface.viewers.IStructuredSelection;
38 import org.eclipse.jface.viewers.SelectionChangedEvent;
39
40 import org.eclipse.ui.PlatformUI;
41
42 import org.eclipse.jdt.core.IType;
43 import org.eclipse.jdt.core.JavaModelException;
44 import org.eclipse.jdt.core.dom.IMethodBinding;
45 import org.eclipse.jdt.core.dom.Modifier;
46
47 import org.eclipse.jdt.internal.corext.template.java.CodeTemplateContextType;
48
49 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
50 import org.eclipse.jdt.internal.ui.JavaPlugin;
51 import org.eclipse.jdt.internal.ui.dialogs.SourceActionDialog;
52 import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor;
53 import org.eclipse.jdt.internal.ui.refactoring.IVisibilityChangeListener;
54 import org.eclipse.jdt.internal.ui.viewsupport.BindingLabelProvider;
55
56 public class GenerateConstructorUsingFieldsSelectionDialog extends SourceActionDialog {
57
58 class GenerateConstructorUsingFieldsTreeViewerAdapter implements ISelectionChangedListener, IDoubleClickListener {
59
60 public void doubleClick(DoubleClickEvent event) {
61 }
63
64 public void selectionChanged(SelectionChangedEvent event) {
65 IStructuredSelection selection= (IStructuredSelection) getTreeViewer().getSelection();
66
67 List selectedList= selection.toList();
68 GenerateConstructorUsingFieldsContentProvider cp= (GenerateConstructorUsingFieldsContentProvider) getContentProvider();
69
70 fButtonControls[GenerateConstructorUsingFieldsSelectionDialog.UP_INDEX].setEnabled(cp.canMoveUp(selectedList));
71 fButtonControls[GenerateConstructorUsingFieldsSelectionDialog.DOWN_INDEX].setEnabled(cp.canMoveDown(selectedList));
72 }
73 }
74
75 private static final int DOWN_BUTTON= IDialogConstants.CLIENT_ID + 2;
76
77 private static final int UP_BUTTON= IDialogConstants.CLIENT_ID + 1;
78
79 protected Button[] fButtonControls;
80
81 boolean[] fButtonsEnabled;
82
83 IDialogSettings fGenConstructorSettings;
84
85 int fHeight= 18;
86
87 boolean fOmitSuper;
88
89 Button fOmitSuperButton;
90
91 IMethodBinding[] fSuperConstructors;
92
93 int fSuperIndex;
94
95 GenerateConstructorUsingFieldsTreeViewerAdapter fTreeViewerAdapter;
96
97 int fWidth= 60;
98
99 final String OMIT_SUPER= "OmitCallToSuper";
101 final String SETTINGS_SECTION= "GenerateConstructorUsingFieldsSelectionDialog";
103 private static final int DOWN_INDEX= 1;
104
105 private static final int UP_INDEX= 0;
106
107 public GenerateConstructorUsingFieldsSelectionDialog(Shell parent, ILabelProvider labelProvider, GenerateConstructorUsingFieldsContentProvider contentProvider, CompilationUnitEditor editor, IType type, IMethodBinding[] superConstructors) throws JavaModelException {
108 super(parent, labelProvider, contentProvider, editor, type, true);
109 fTreeViewerAdapter= new GenerateConstructorUsingFieldsTreeViewerAdapter();
110
111 fSuperConstructors= superConstructors;
112
113 IDialogSettings dialogSettings= JavaPlugin.getDefault().getDialogSettings();
114 fGenConstructorSettings= dialogSettings.getSection(SETTINGS_SECTION);
115 if (fGenConstructorSettings == null) {
116 fGenConstructorSettings= dialogSettings.addNewSection(SETTINGS_SECTION);
117 fGenConstructorSettings.put(OMIT_SUPER, false);
118 }
119
120 final boolean isEnum= type.isEnum();
121 fOmitSuper= fGenConstructorSettings.getBoolean(OMIT_SUPER) || isEnum;
122 if (isEnum)
123 setVisibility(Modifier.PRIVATE);
124 }
125
126 Composite addSuperClassConstructorChoices(Composite composite) {
127 Label label= new Label(composite, SWT.NONE);
128 label.setText(ActionMessages.GenerateConstructorUsingFieldsSelectionDialog_sort_constructor_choices_label);
129 GridData gd= new GridData(GridData.FILL_HORIZONTAL);
130 label.setLayoutData(gd);
131
132 BindingLabelProvider provider= new BindingLabelProvider();
133 final Combo combo= new Combo(composite, SWT.READ_ONLY);
134 for (int i= 0; i < fSuperConstructors.length; i++) {
135 combo.add(provider.getText(fSuperConstructors[i]));
136 }
137
138 combo.setText(combo.getItem(0));
140 combo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
141 combo.addSelectionListener(new SelectionAdapter() {
142
143 public void widgetSelected(SelectionEvent e) {
144 fSuperIndex= combo.getSelectionIndex();
145 fOmitSuperButton.setEnabled(getSuperConstructorChoice().getParameterTypes().length == 0);
147 updateOKStatus();
148 }
149 });
150
151 return composite;
152 }
153
154 protected void buttonPressed(int buttonId) {
155 super.buttonPressed(buttonId);
156 switch (buttonId) {
157 case UP_BUTTON: {
158 GenerateConstructorUsingFieldsContentProvider contentProvider= (GenerateConstructorUsingFieldsContentProvider) getTreeViewer().getContentProvider();
159 contentProvider.up(getElementList(), getTreeViewer());
160 updateOKStatus();
161 break;
162 }
163 case DOWN_BUTTON: {
164 GenerateConstructorUsingFieldsContentProvider contentProvider= (GenerateConstructorUsingFieldsContentProvider) getTreeViewer().getContentProvider();
165 contentProvider.down(getElementList(), getTreeViewer());
166 updateOKStatus();
167 break;
168 }
169 }
170 }
171
172 protected void configureShell(Shell shell) {
173 super.configureShell(shell);
174 PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IJavaHelpContextIds.GENERATE_CONSTRUCTOR_USING_FIELDS_SELECTION_DIALOG);
175 }
176
177 protected Control createDialogArea(Composite parent) {
178 initializeDialogUnits(parent);
179
180 Composite composite= new Composite(parent, SWT.NONE);
181 GridLayout layout= new GridLayout();
182 GridData gd= null;
183
184 layout.marginHeight= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
185 layout.marginWidth= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
186 layout.verticalSpacing= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
187 layout.horizontalSpacing= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
188 composite.setLayout(layout);
189
190 Composite classConstructorComposite= addSuperClassConstructorChoices(composite);
191 gd= new GridData(GridData.FILL_BOTH);
192 classConstructorComposite.setLayoutData(gd);
193
194 Composite inner= new Composite(composite, SWT.NONE);
195 GridLayout innerLayout= new GridLayout();
196 innerLayout.numColumns= 2;
197 innerLayout.marginHeight= 0;
198 innerLayout.marginWidth= 0;
199 inner.setLayout(innerLayout);
200
201 Label messageLabel= createMessageArea(inner);
202 if (messageLabel != null) {
203 gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
204 gd.horizontalSpan= 2;
205 messageLabel.setLayoutData(gd);
206 }
207
208 CheckboxTreeViewer treeViewer= createTreeViewer(inner);
209 gd= new GridData(GridData.FILL_BOTH);
210 gd.widthHint= convertWidthInCharsToPixels(fWidth);
211 gd.heightHint= convertHeightInCharsToPixels(fHeight);
212 treeViewer.getControl().setLayoutData(gd);
213 treeViewer.addSelectionChangedListener(fTreeViewerAdapter);
214
215 Composite buttonComposite= createSelectionButtons(inner);
216 gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL);
217 buttonComposite.setLayoutData(gd);
218
219 gd= new GridData(GridData.FILL_BOTH);
220 inner.setLayoutData(gd);
221
222 Composite entryComposite= createInsertPositionCombo(composite);
223 entryComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
224
225 Composite commentComposite= createCommentSelection(composite);
226 commentComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
227
228 Composite overrideSuperComposite= createOmitSuper(composite);
229 overrideSuperComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
230
231 Control linkControl= createLinkControl(composite);
232 if (linkControl != null)
233 linkControl.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
234
235 gd= new GridData(GridData.FILL_BOTH);
236 composite.setLayoutData(gd);
237
238 applyDialogFont(composite);
239
240 return composite;
241 }
242
243 protected Composite createInsertPositionCombo(Composite composite) {
244 Composite entryComposite= super.createInsertPositionCombo(composite);
245 addVisibilityAndModifiersChoices(entryComposite);
246 return entryComposite;
247 }
248
249
252 protected Control createLinkControl(Composite composite) {
253 Link link= new Link(composite, SWT.WRAP);
254 link.setText(ActionMessages.GenerateConstructorUsingFieldsSelectionDialog_template_link_message);
255 link.addSelectionListener(new SelectionAdapter() {
256 public void widgetSelected(SelectionEvent e) {
257 openCodeTempatePage(CodeTemplateContextType.CONSTRUCTORCOMMENT_ID);
258 }
259 });
260 link.setToolTipText(ActionMessages.GenerateConstructorUsingFieldsSelectionDialog_template_link_tooltip);
261
262 GridData gridData= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
263 gridData.widthHint= convertWidthInCharsToPixels(40); link.setLayoutData(gridData);
265 return link;
266 }
267
268 protected Composite createOmitSuper(Composite composite) {
269 Composite omitSuperComposite= new Composite(composite, SWT.NONE);
270 GridLayout layout= new GridLayout();
271 layout.marginHeight= 0;
272 layout.marginWidth= 0;
273 omitSuperComposite.setLayout(layout);
274
275 fOmitSuperButton= new Button(omitSuperComposite, SWT.CHECK);
276 fOmitSuperButton.setText(ActionMessages.GenerateConstructorUsingFieldsSelectionDialog_omit_super);
277 fOmitSuperButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
278
279 fOmitSuperButton.addSelectionListener(new SelectionListener() {
280
281 public void widgetDefaultSelected(SelectionEvent e) {
282 widgetSelected(e);
283 }
284
285 public void widgetSelected(SelectionEvent e) {
286 boolean isSelected= (((Button) e.widget).getSelection());
287 setOmitSuper(isSelected);
288 }
289 });
290 fOmitSuperButton.setSelection(isOmitSuper());
291 try {
292 final boolean hasContructor= getSuperConstructorChoice().getParameterTypes().length == 0;
294 fOmitSuperButton.setEnabled(hasContructor && !getType().isEnum());
295 } catch (JavaModelException exception) {
296 JavaPlugin.log(exception);
297 }
298 GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
299 gd.horizontalSpan= 2;
300 fOmitSuperButton.setLayoutData(gd);
301
302 return omitSuperComposite;
303 }
304
305 protected Composite createSelectionButtons(Composite composite) {
306 Composite buttonComposite= super.createSelectionButtons(composite);
307
308 GridLayout layout= new GridLayout();
309 buttonComposite.setLayout(layout);
310
311 createUpDownButtons(buttonComposite);
312
313 layout.marginHeight= 0;
314 layout.marginWidth= 0;
315 layout.numColumns= 1;
316
317 return buttonComposite;
318 }
319
320 void createUpDownButtons(Composite buttonComposite) {
321 int numButtons= 2; fButtonControls= new Button[numButtons];
323 fButtonsEnabled= new boolean[numButtons];
324 fButtonControls[GenerateConstructorUsingFieldsSelectionDialog.UP_INDEX]= createButton(buttonComposite, UP_BUTTON, ActionMessages.GenerateConstructorUsingFieldsSelectionDialog_up_button, false);
325 fButtonControls[GenerateConstructorUsingFieldsSelectionDialog.DOWN_INDEX]= createButton(buttonComposite, DOWN_BUTTON, ActionMessages.GenerateConstructorUsingFieldsSelectionDialog_down_button, false);
326 boolean defaultState= false;
327 fButtonControls[GenerateConstructorUsingFieldsSelectionDialog.UP_INDEX].setEnabled(defaultState);
328 fButtonControls[GenerateConstructorUsingFieldsSelectionDialog.DOWN_INDEX].setEnabled(defaultState);
329 fButtonsEnabled[GenerateConstructorUsingFieldsSelectionDialog.UP_INDEX]= defaultState;
330 fButtonsEnabled[GenerateConstructorUsingFieldsSelectionDialog.DOWN_INDEX]= defaultState;
331 }
332
333 protected Composite createVisibilityControlAndModifiers(Composite parent, final IVisibilityChangeListener visibilityChangeListener, int[] availableVisibilities, int correctVisibility) {
334 int[] visibilities= availableVisibilities;
335 try {
336 if (getType().isEnum())
337 visibilities= new int[] { };
338 } catch (JavaModelException exception) {
339 JavaPlugin.log(exception);
340 }
341 return createVisibilityControl(parent, visibilityChangeListener, visibilities, correctVisibility);
342 }
343
344 List getElementList() {
345 IStructuredSelection selection= (IStructuredSelection) getTreeViewer().getSelection();
346 List elements= selection.toList();
347 ArrayList elementList= new ArrayList ();
348
349 for (int i= 0; i < elements.size(); i++) {
350 elementList.add(elements.get(i));
351 }
352 return elementList;
353 }
354
355 public IMethodBinding getSuperConstructorChoice() {
356 return fSuperConstructors[fSuperIndex];
357 }
358
359 public boolean isOmitSuper() {
360 return fOmitSuper;
361 }
362
363 public void setOmitSuper(boolean omitSuper) {
364 if (fOmitSuper != omitSuper) {
365 fOmitSuper= omitSuper;
366 fGenConstructorSettings.put(OMIT_SUPER, omitSuper);
367 }
368 }
369 }
370 |
Popular Tags |
Java API By Example, From Geeks To Geeks.