source: josm/trunk/src/org/openstreetmap/josm/gui/dialogs/DeleteFromRelationConfirmationDialog.java@ 10179

Last change on this file since 10179 was 10179, checked in by Don-vip, 8 years ago

sonar - squid:AssignmentInSubExpressionCheck - Assignments should not be made from within sub-expressions
  • Property svn:eol-style set to native
File size: 11.8 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.dialogs;
3
4import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
5import static org.openstreetmap.josm.tools.I18n.tr;
6import static org.openstreetmap.josm.tools.I18n.trn;
7
8import java.awt.BorderLayout;
9import java.awt.Dimension;
10import java.awt.FlowLayout;
11import java.awt.event.ActionEvent;
12import java.awt.event.WindowAdapter;
13import java.awt.event.WindowEvent;
14import java.util.ArrayList;
15import java.util.Collection;
16import java.util.Collections;
17import java.util.Comparator;
18import java.util.HashSet;
19import java.util.List;
20import java.util.Set;
21
22import javax.swing.AbstractAction;
23import javax.swing.JDialog;
24import javax.swing.JPanel;
25import javax.swing.JScrollPane;
26import javax.swing.JTable;
27import javax.swing.event.TableModelEvent;
28import javax.swing.event.TableModelListener;
29import javax.swing.table.DefaultTableColumnModel;
30import javax.swing.table.DefaultTableModel;
31import javax.swing.table.TableColumn;
32
33import org.openstreetmap.josm.Main;
34import org.openstreetmap.josm.data.osm.NameFormatter;
35import org.openstreetmap.josm.data.osm.OsmPrimitive;
36import org.openstreetmap.josm.data.osm.RelationToChildReference;
37import org.openstreetmap.josm.gui.DefaultNameFormatter;
38import org.openstreetmap.josm.gui.OsmPrimitivRenderer;
39import org.openstreetmap.josm.gui.SideButton;
40import org.openstreetmap.josm.gui.help.ContextSensitiveHelpAction;
41import org.openstreetmap.josm.gui.help.HelpUtil;
42import org.openstreetmap.josm.gui.util.GuiHelper;
43import org.openstreetmap.josm.gui.widgets.HtmlPanel;
44import org.openstreetmap.josm.tools.I18n;
45import org.openstreetmap.josm.tools.ImageProvider;
46import org.openstreetmap.josm.tools.WindowGeometry;
47
48/**
49 * This dialog is used to get a user confirmation that a collection of primitives can be removed
50 * from their parent relations.
51 * @since 2308
52 */
53public class DeleteFromRelationConfirmationDialog extends JDialog implements TableModelListener {
54 /** the unique instance of this dialog */
55 private static DeleteFromRelationConfirmationDialog instance;
56
57 /**
58 * Replies the unique instance of this dialog
59 *
60 * @return The unique instance of this dialog
61 */
62 public static synchronized DeleteFromRelationConfirmationDialog getInstance() {
63 if (instance == null) {
64 instance = new DeleteFromRelationConfirmationDialog();
65 }
66 return instance;
67 }
68
69 /** the data model */
70 private RelationMemberTableModel model;
71 private final HtmlPanel htmlPanel = new HtmlPanel();
72 private boolean canceled;
73 private final SideButton btnOK = new SideButton(new OKAction());
74
75 protected JPanel buildRelationMemberTablePanel() {
76 JTable table = new JTable(model, new RelationMemberTableColumnModel());
77 JPanel pnl = new JPanel(new BorderLayout());
78 pnl.add(new JScrollPane(table));
79 return pnl;
80 }
81
82 protected JPanel buildButtonPanel() {
83 JPanel pnl = new JPanel(new FlowLayout());
84 pnl.add(btnOK);
85 btnOK.setFocusable(true);
86 pnl.add(new SideButton(new CancelAction()));
87 pnl.add(new SideButton(new ContextSensitiveHelpAction(ht("/Action/Delete#DeleteFromRelations"))));
88 return pnl;
89 }
90
91 protected final void build() {
92 model = new RelationMemberTableModel();
93 model.addTableModelListener(this);
94 getContentPane().setLayout(new BorderLayout());
95 getContentPane().add(htmlPanel, BorderLayout.NORTH);
96 getContentPane().add(buildRelationMemberTablePanel(), BorderLayout.CENTER);
97 getContentPane().add(buildButtonPanel(), BorderLayout.SOUTH);
98
99 HelpUtil.setHelpContext(this.getRootPane(), ht("/Action/Delete#DeleteFromRelations"));
100
101 addWindowListener(new WindowEventHandler());
102 }
103
104 protected void updateMessage() {
105 int numObjectsToDelete = model.getNumObjectsToDelete();
106 int numParentRelations = model.getNumParentRelations();
107 final String msg1 = trn(
108 "Please confirm to remove <strong>{0} object</strong>.",
109 "Please confirm to remove <strong>{0} objects</strong>.",
110 numObjectsToDelete, numObjectsToDelete);
111 final String msg2 = trn(
112 "{0} relation is affected.",
113 "{0} relations are affected.",
114 numParentRelations, numParentRelations);
115 @I18n.QuirkyPluralString
116 final String msg = "<html>" + msg1 + " " + msg2 + "</html>";
117 htmlPanel.getEditorPane().setText(msg);
118 invalidate();
119 }
120
121 protected void updateTitle() {
122 int numObjectsToDelete = model.getNumObjectsToDelete();
123 if (numObjectsToDelete > 0) {
124 setTitle(trn("Deleting {0} object", "Deleting {0} objects", numObjectsToDelete, numObjectsToDelete));
125 } else {
126 setTitle(tr("Delete objects"));
127 }
128 }
129
130 /**
131 * Constructs a new {@code DeleteFromRelationConfirmationDialog}.
132 */
133 public DeleteFromRelationConfirmationDialog() {
134 super(GuiHelper.getFrameForComponent(Main.parent), "", ModalityType.DOCUMENT_MODAL);
135 build();
136 }
137
138 /**
139 * Replies the data model used in this dialog
140 *
141 * @return the data model
142 */
143 public RelationMemberTableModel getModel() {
144 return model;
145 }
146
147 /**
148 * Replies true if the dialog was canceled
149 *
150 * @return true if the dialog was canceled
151 */
152 public boolean isCanceled() {
153 return canceled;
154 }
155
156 protected void setCanceled(boolean canceled) {
157 this.canceled = canceled;
158 }
159
160 @Override
161 public void setVisible(boolean visible) {
162 if (visible) {
163 new WindowGeometry(
164 getClass().getName() + ".geometry",
165 WindowGeometry.centerInWindow(
166 Main.parent,
167 new Dimension(400, 200)
168 )
169 ).applySafe(this);
170 setCanceled(false);
171 } else if (isShowing()) { // Avoid IllegalComponentStateException like in #8775
172 new WindowGeometry(this).remember(getClass().getName() + ".geometry");
173 }
174 super.setVisible(visible);
175 }
176
177 @Override
178 public void tableChanged(TableModelEvent e) {
179 updateMessage();
180 updateTitle();
181 }
182
183 /**
184 * The table model which manages the list of relation-to-child references
185 *
186 */
187 public static class RelationMemberTableModel extends DefaultTableModel {
188 private final transient List<RelationToChildReference> data;
189
190 /**
191 * Constructs a new {@code RelationMemberTableModel}.
192 */
193 public RelationMemberTableModel() {
194 data = new ArrayList<>();
195 }
196
197 @Override
198 public int getRowCount() {
199 if (data == null) return 0;
200 return data.size();
201 }
202
203 protected void sort() {
204 Collections.sort(
205 data,
206 new Comparator<RelationToChildReference>() {
207 private NameFormatter nf = DefaultNameFormatter.getInstance();
208 @Override
209 public int compare(RelationToChildReference o1, RelationToChildReference o2) {
210 int cmp = o1.getChild().getDisplayName(nf).compareTo(o2.getChild().getDisplayName(nf));
211 if (cmp != 0) return cmp;
212 cmp = o1.getParent().getDisplayName(nf).compareTo(o2.getParent().getDisplayName(nf));
213 if (cmp != 0) return cmp;
214 return Integer.compare(o1.getPosition(), o2.getPosition());
215 }
216 }
217 );
218 }
219
220 public void populate(Collection<RelationToChildReference> references) {
221 data.clear();
222 if (references != null) {
223 data.addAll(references);
224 }
225 sort();
226 fireTableDataChanged();
227 }
228
229 public Set<OsmPrimitive> getObjectsToDelete() {
230 Set<OsmPrimitive> ret = new HashSet<>();
231 for (RelationToChildReference ref: data) {
232 ret.add(ref.getChild());
233 }
234 return ret;
235 }
236
237 public int getNumObjectsToDelete() {
238 return getObjectsToDelete().size();
239 }
240
241 public Set<OsmPrimitive> getParentRelations() {
242 Set<OsmPrimitive> ret = new HashSet<>();
243 for (RelationToChildReference ref: data) {
244 ret.add(ref.getParent());
245 }
246 return ret;
247 }
248
249 public int getNumParentRelations() {
250 return getParentRelations().size();
251 }
252
253 @Override
254 public Object getValueAt(int rowIndex, int columnIndex) {
255 if (data == null) return null;
256 RelationToChildReference ref = data.get(rowIndex);
257 switch(columnIndex) {
258 case 0: return ref.getChild();
259 case 1: return ref.getParent();
260 case 2: return ref.getPosition()+1;
261 case 3: return ref.getRole();
262 default:
263 assert false : "Illegal column index";
264 }
265 return null;
266 }
267
268 @Override
269 public boolean isCellEditable(int row, int column) {
270 return false;
271 }
272 }
273
274 private static class RelationMemberTableColumnModel extends DefaultTableColumnModel {
275
276 protected final void createColumns() {
277 TableColumn col = null;
278
279 // column 0 - To Delete
280 col = new TableColumn(0);
281 col.setHeaderValue(tr("To delete"));
282 col.setResizable(true);
283 col.setWidth(100);
284 col.setPreferredWidth(100);
285 col.setCellRenderer(new OsmPrimitivRenderer());
286 addColumn(col);
287
288 // column 0 - From Relation
289 col = new TableColumn(1);
290 col.setHeaderValue(tr("From Relation"));
291 col.setResizable(true);
292 col.setWidth(100);
293 col.setPreferredWidth(100);
294 col.setCellRenderer(new OsmPrimitivRenderer());
295 addColumn(col);
296
297 // column 1 - Pos.
298 col = new TableColumn(2);
299 col.setHeaderValue(tr("Pos."));
300 col.setResizable(true);
301 col.setWidth(30);
302 col.setPreferredWidth(30);
303 addColumn(col);
304
305 // column 2 - Role
306 col = new TableColumn(3);
307 col.setHeaderValue(tr("Role"));
308 col.setResizable(true);
309 col.setWidth(50);
310 col.setPreferredWidth(50);
311 addColumn(col);
312 }
313
314 RelationMemberTableColumnModel() {
315 createColumns();
316 }
317 }
318
319 class OKAction extends AbstractAction {
320 OKAction() {
321 putValue(NAME, tr("OK"));
322 putValue(SMALL_ICON, ImageProvider.get("ok"));
323 putValue(SHORT_DESCRIPTION, tr("Click to close the dialog and remove the object from the relations"));
324 }
325
326 @Override
327 public void actionPerformed(ActionEvent e) {
328 setCanceled(false);
329 setVisible(false);
330 }
331 }
332
333 class CancelAction extends AbstractAction {
334 CancelAction() {
335 putValue(NAME, tr("Cancel"));
336 putValue(SMALL_ICON, ImageProvider.get("cancel"));
337 putValue(SHORT_DESCRIPTION, tr("Click to close the dialog and to abort deleting the objects"));
338 }
339
340 @Override
341 public void actionPerformed(ActionEvent e) {
342 setCanceled(true);
343 setVisible(false);
344 }
345 }
346
347 class WindowEventHandler extends WindowAdapter {
348
349 @Override
350 public void windowClosing(WindowEvent e) {
351 setCanceled(true);
352 }
353
354 @Override
355 public void windowOpened(WindowEvent e) {
356 btnOK.requestFocusInWindow();
357 }
358 }
359}
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