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1
11 package org.eclipse.jdt.internal.ui.preferences;
12
13 import java.util.ArrayList  ;
14 import java.util.Arrays ;
15 import java.util.List ;
16 import java.util.StringTokenizer ;
17
18 import org.eclipse.swt.SWT;
19 import org.eclipse.swt.layout.GridLayout;
20 import org.eclipse.swt.widgets.Composite;
21 import org.eclipse.swt.widgets.Control;
22
23 import org.eclipse.jface.dialogs.Dialog;
24 import org.eclipse.jface.dialogs.IDialogConstants;
25 import org.eclipse.jface.preference.IPreferenceStore;
26 import org.eclipse.jface.preference.PreferencePage;
27 import org.eclipse.jface.viewers.LabelProvider;
28 import org.eclipse.jface.viewers.ViewerComparator;
29 import org.eclipse.jface.window.Window;
30
31 import org.eclipse.ui.IWorkbench;
32 import org.eclipse.ui.IWorkbenchPreferencePage;
33 import org.eclipse.ui.PlatformUI;
34
35 import org.eclipse.jdt.core.IPackageFragment;
36 import org.eclipse.jdt.core.search.IJavaSearchScope;
37 import org.eclipse.jdt.core.search.SearchEngine;
38
39 import org.eclipse.jdt.ui.PreferenceConstants;
40
41 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
42 import org.eclipse.jdt.internal.ui.JavaPlugin;
43 import org.eclipse.jdt.internal.ui.dialogs.PackageSelectionDialog;
44 import org.eclipse.jdt.internal.ui.util.BusyIndicatorRunnableContext;
45 import org.eclipse.jdt.internal.ui.wizards.dialogfields.CheckedListDialogField;
46 import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;
47 import org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
48 import org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter;
49 import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
50 import org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField;
51
52
55 public class TypeFilterPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
56
57 public static final String TYPE_FILTER_PREF_PAGE_ID= "org.eclipse.jdt.ui.preferences.TypeFilterPreferencePage";
59 private static final String PREF_FILTER_ENABLED= PreferenceConstants.TYPEFILTER_ENABLED;
60 private static final String PREF_FILTER_DISABLED= PreferenceConstants.TYPEFILTER_DISABLED;
61
62 private static String [] unpackOrderList(String str) {
63 StringTokenizer tok= new StringTokenizer (str, ";"); int nTokens= tok.countTokens();
65 String [] res= new String [nTokens];
66 for (int i= 0; i < nTokens; i++) {
67 res[i]= tok.nextToken();
68 }
69 return res;
70 }
71
72 private static String packOrderList(List orderList) {
73 StringBuffer buf= new StringBuffer ();
74 for (int i= 0; i < orderList.size(); i++) {
75 buf.append((String ) orderList.get(i));
76 buf.append(';');
77 }
78 return buf.toString();
79 }
80
81 private class TypeFilterAdapter implements IListAdapter, IDialogFieldListener {
82
83 private boolean canEdit(ListDialogField field) {
84 return field.getSelectedElements().size() == 1;
85 }
86
87 public void customButtonPressed(ListDialogField field, int index) {
88 doButtonPressed(index);
89 }
90
91 public void selectionChanged(ListDialogField field) {
92 fFilterListField.enableButton(IDX_EDIT, canEdit(field));
93 }
94
95 public void dialogFieldChanged(DialogField field) {
96 }
97
98 public void doubleClicked(ListDialogField field) {
99 if (canEdit(field)) {
100 doButtonPressed(IDX_EDIT);
101 }
102 }
103 }
104
105 private static final int IDX_ADD= 0;
106 private static final int IDX_ADD_PACKAGE= 1;
107 private static final int IDX_EDIT= 2;
108 private static final int IDX_REMOVE= 3;
109 private static final int IDX_SELECT= 5;
110 private static final int IDX_DESELECT= 6;
111
112 private CheckedListDialogField fFilterListField;
113
114 public TypeFilterPreferencePage() {
115 super();
116 setPreferenceStore(JavaPlugin.getDefault().getPreferenceStore());
117 setDescription(PreferencesMessages.TypeFilterPreferencePage_description);
118
119 String [] buttonLabels= new String [] {
120 PreferencesMessages.TypeFilterPreferencePage_add_button,
121 PreferencesMessages.TypeFilterPreferencePage_addpackage_button,
122 PreferencesMessages.TypeFilterPreferencePage_edit_button,
123 PreferencesMessages.TypeFilterPreferencePage_remove_button,
124 null,
125 PreferencesMessages.TypeFilterPreferencePage_selectall_button,
126 PreferencesMessages.TypeFilterPreferencePage_deselectall_button,
127 };
128
129 TypeFilterAdapter adapter= new TypeFilterAdapter();
130
131 fFilterListField= new CheckedListDialogField(adapter, buttonLabels, new LabelProvider());
132 fFilterListField.setDialogFieldListener(adapter);
133 fFilterListField.setLabelText(PreferencesMessages.TypeFilterPreferencePage_list_label);
134 fFilterListField.setCheckAllButtonIndex(IDX_SELECT);
135 fFilterListField.setUncheckAllButtonIndex(IDX_DESELECT);
136 fFilterListField.setRemoveButtonIndex(IDX_REMOVE);
137
138 fFilterListField.enableButton(IDX_EDIT, false);
139
140 initialize(false);
141 }
142
143
146 public void createControl(Composite parent) {
147 super.createControl(parent);
148 PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.TYPE_FILTER_PREFERENCE_PAGE);
149 }
150
151 protected Control createContents(Composite parent) {
152 initializeDialogUnits(parent);
153
154 Composite composite= new Composite(parent, SWT.NONE);
155 composite.setFont(parent.getFont());
156
157 GridLayout layout= new GridLayout();
158 layout.numColumns= 2;
159 layout.marginWidth= 0;
160 layout.marginHeight= 0;
161
162 composite.setLayout(layout);
163
164 fFilterListField.doFillIntoGrid(composite, 3);
165 LayoutUtil.setHorizontalSpan(fFilterListField.getLabelControl(null), 2);
166 LayoutUtil.setWidthHint(fFilterListField.getLabelControl(null), convertWidthInCharsToPixels(40));
167 LayoutUtil.setHorizontalGrabbing(fFilterListField.getListControl(null));
168
169 fFilterListField.getTableViewer().setComparator(new ViewerComparator());
170
171 Dialog.applyDialogFont(composite);
172 return composite;
173 }
174
175 private void initialize(boolean fromDefault) {
176 IPreferenceStore store= getPreferenceStore();
177
178 String enabled= fromDefault ? store.getDefaultString(PREF_FILTER_ENABLED) : store.getString(PREF_FILTER_ENABLED);
179 String disabled= fromDefault ? store.getDefaultString(PREF_FILTER_DISABLED) : store.getString(PREF_FILTER_DISABLED);
180
181 ArrayList res= new ArrayList ();
182
183 String [] enabledEntries= unpackOrderList(enabled);
184 for (int i= 0; i < enabledEntries.length; i++) {
185 res.add(enabledEntries[i]);
186 }
187 String [] disabledEntries= unpackOrderList(disabled);
188 for (int i= 0; i < disabledEntries.length; i++) {
189 res.add(disabledEntries[i]);
190 }
191
192 fFilterListField.setElements(res);
193 fFilterListField.setCheckedElements(Arrays.asList(enabledEntries));
194 }
195
196
197 private void doButtonPressed(int index) {
198 if (index == IDX_ADD) { List existing= fFilterListField.getElements();
200 TypeFilterInputDialog dialog= new TypeFilterInputDialog(getShell(), existing);
201 if (dialog.open() == Window.OK) {
202 Object res= dialog.getResult();
203 fFilterListField.addElement(res);
204 fFilterListField.setChecked(res, true);
205 }
206 } else if (index == IDX_ADD_PACKAGE) { String [] res= choosePackage();
208 if (res != null) {
209 fFilterListField.addElements(Arrays.asList(res));
210 for (int i= 0; i < res.length; i++) {
211 fFilterListField.setChecked(res[i], true);
212 }
213 }
214
215 } else if (index == IDX_EDIT) { List selected= fFilterListField.getSelectedElements();
217 if (selected.isEmpty()) {
218 return;
219 }
220 String editedEntry= (String ) selected.get(0);
221
222 List existing= fFilterListField.getElements();
223 existing.remove(editedEntry);
224
225 TypeFilterInputDialog dialog= new TypeFilterInputDialog(getShell(), existing);
226 dialog.setInitialString(editedEntry);
227 if (dialog.open() == Window.OK) {
228 fFilterListField.replaceElement(editedEntry, dialog.getResult());
229 }
230 }
231 }
232
233 private String [] choosePackage() {
234 IJavaSearchScope scope= SearchEngine.createWorkspaceScope();
235 BusyIndicatorRunnableContext context= new BusyIndicatorRunnableContext();
236 int flags= PackageSelectionDialog.F_SHOW_PARENTS | PackageSelectionDialog.F_HIDE_DEFAULT_PACKAGE | PackageSelectionDialog.F_REMOVE_DUPLICATES;
237 PackageSelectionDialog dialog = new PackageSelectionDialog(getShell(), context, flags , scope);
238 dialog.setTitle(PreferencesMessages.TypeFilterPreferencePage_choosepackage_label);
239 dialog.setMessage(PreferencesMessages.TypeFilterPreferencePage_choosepackage_description);
240 dialog.setMultipleSelection(true);
241 if (dialog.open() == IDialogConstants.OK_ID) {
242 Object [] fragments= dialog.getResult();
243 String [] res= new String [fragments.length];
244 for (int i= 0; i < res.length; i++) {
245 res[i]= ((IPackageFragment) fragments[i]).getElementName() + ".*"; }
247 return res;
248 }
249 return null;
250 }
251
252
253 public void init(IWorkbench workbench) {
254 }
255
256
259 protected void performDefaults() {
260 initialize(true);
261
262 super.performDefaults();
263 }
264
265
266
269 public boolean performOk() {
270 IPreferenceStore prefs= JavaPlugin.getDefault().getPreferenceStore();
271
272 List checked= fFilterListField.getCheckedElements();
273 List unchecked= fFilterListField.getElements();
274 unchecked.removeAll(checked);
275
276 prefs.setValue(PREF_FILTER_ENABLED, packOrderList(checked));
277 prefs.setValue(PREF_FILTER_DISABLED, packOrderList(unchecked));
278 JavaPlugin.getDefault().savePluginPreferences();
279 return true;
280 }
281
282
283 }
284
285
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