source: josm/trunk/src/org/openstreetmap/josm/gui/io/CloseChangesetDialog.java@ 9543

Last change on this file since 9543 was 9543, checked in by Don-vip, 9 years ago

refactoring - global simplification of use of setLayout method - simply pass layout to JPanel constructor
  • Property svn:eol-style set to native
File size: 6.9 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.io;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.BorderLayout;
7import java.awt.Dimension;
8import java.awt.FlowLayout;
9import java.awt.event.ActionEvent;
10import java.awt.event.KeyEvent;
11import java.awt.event.WindowAdapter;
12import java.awt.event.WindowEvent;
13import java.util.ArrayList;
14import java.util.Collection;
15import java.util.List;
16
17import javax.swing.AbstractAction;
18import javax.swing.BorderFactory;
19import javax.swing.DefaultListModel;
20import javax.swing.JComponent;
21import javax.swing.JDialog;
22import javax.swing.JLabel;
23import javax.swing.JList;
24import javax.swing.JOptionPane;
25import javax.swing.JPanel;
26import javax.swing.JScrollPane;
27import javax.swing.KeyStroke;
28import javax.swing.event.ListSelectionEvent;
29import javax.swing.event.ListSelectionListener;
30
31import org.openstreetmap.josm.Main;
32import org.openstreetmap.josm.data.osm.Changeset;
33import org.openstreetmap.josm.gui.SideButton;
34import org.openstreetmap.josm.tools.ImageProvider;
35import org.openstreetmap.josm.tools.InputMapUtils;
36import org.openstreetmap.josm.tools.WindowGeometry;
37
38/**
39 * This dialog lets the user select changesets from a list of changesets.
40 * @since 2115
41 */
42public class CloseChangesetDialog extends JDialog {
43
44 /** the list */
45 private JList<Changeset> lstOpenChangesets;
46 /** true if the user canceled the dialog */
47 private boolean canceled;
48 /** the list model */
49 private DefaultListModel<Changeset> model;
50
51 private SideButton btnCloseChangesets;
52
53 protected JPanel buildTopPanel() {
54 JPanel pnl = new JPanel(new BorderLayout());
55 pnl.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
56 pnl.add(new JLabel(tr("<html>Please select the changesets you want to close</html>")), BorderLayout.CENTER);
57 return pnl;
58 }
59
60 protected JPanel buildCenterPanel() {
61 JPanel pnl = new JPanel(new BorderLayout());
62 model = new DefaultListModel<>();
63 pnl.add(new JScrollPane(lstOpenChangesets = new JList<>(model)), BorderLayout.CENTER);
64 lstOpenChangesets.setCellRenderer(new ChangesetCellRenderer());
65 return pnl;
66 }
67
68 protected JPanel buildSouthPanel() {
69 JPanel pnl = new JPanel(new FlowLayout(FlowLayout.CENTER));
70
71 // -- close action
72 CloseAction closeAction = new CloseAction();
73 lstOpenChangesets.addListSelectionListener(closeAction);
74 pnl.add(btnCloseChangesets = new SideButton(closeAction));
75 InputMapUtils.enableEnter(btnCloseChangesets);
76
77 // -- cancel action
78 SideButton btn;
79 pnl.add(btn = new SideButton(new CancelAction()));
80 btn.setFocusable(true);
81 return pnl;
82 }
83
84 protected void build() {
85 setTitle(tr("Open changesets"));
86 getContentPane().setLayout(new BorderLayout());
87 getContentPane().add(buildTopPanel(), BorderLayout.NORTH);
88 getContentPane().add(buildCenterPanel(), BorderLayout.CENTER);
89 getContentPane().add(buildSouthPanel(), BorderLayout.SOUTH);
90
91 getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), "escape");
92 getRootPane().getActionMap().put("escape", new CancelAction());
93 addWindowListener(new WindowEventHandler());
94 }
95
96 @Override
97 public void setVisible(boolean visible) {
98 if (visible) {
99 new WindowGeometry(
100 getClass().getName() + ".geometry",
101 WindowGeometry.centerInWindow(Main.parent, new Dimension(300, 300))
102 ).applySafe(this);
103 } else if (isShowing()) { // Avoid IllegalComponentStateException like in #8775
104 new WindowGeometry(this).remember(getClass().getName() + ".geometry");
105 }
106 super.setVisible(visible);
107 }
108
109 /**
110 * Constructs a new {@code CloseChangesetDialog}.
111 */
112 public CloseChangesetDialog() {
113 super(JOptionPane.getFrameForComponent(Main.parent), ModalityType.DOCUMENT_MODAL);
114 build();
115 }
116
117 class CloseAction extends AbstractAction implements ListSelectionListener {
118 CloseAction() {
119 putValue(NAME, tr("Close changesets"));
120 putValue(SMALL_ICON, ImageProvider.get("closechangeset"));
121 putValue(SHORT_DESCRIPTION, tr("Close the selected open changesets"));
122 refreshEnabledState();
123 }
124
125 @Override
126 public void actionPerformed(ActionEvent e) {
127 setCanceled(false);
128 setVisible(false);
129 }
130
131 protected void refreshEnabledState() {
132 List<Changeset> list = lstOpenChangesets.getSelectedValuesList();
133 setEnabled(list != null && !list.isEmpty());
134 }
135
136 @Override
137 public void valueChanged(ListSelectionEvent e) {
138 refreshEnabledState();
139 }
140 }
141
142 class CancelAction extends AbstractAction {
143
144 CancelAction() {
145 putValue(NAME, tr("Cancel"));
146 putValue(SMALL_ICON, ImageProvider.get("cancel"));
147 putValue(SHORT_DESCRIPTION, tr("Cancel closing of changesets"));
148 }
149
150 public void cancel() {
151 setCanceled(true);
152 setVisible(false);
153 }
154
155 @Override
156 public void actionPerformed(ActionEvent e) {
157 cancel();
158 }
159 }
160
161 class WindowEventHandler extends WindowAdapter {
162
163 @Override
164 public void windowActivated(WindowEvent arg0) {
165 btnCloseChangesets.requestFocusInWindow();
166 }
167
168 @Override
169 public void windowClosing(WindowEvent arg0) {
170 new CancelAction().cancel();
171 }
172
173 }
174
175 /**
176 * Replies true if this dialog was canceled
177 * @return true if this dialog was canceled
178 */
179 public boolean isCanceled() {
180 return canceled;
181 }
182
183 /**
184 * Sets whether this dialog is canceled
185 *
186 * @param canceled true, if this dialog is canceld
187 */
188 protected void setCanceled(boolean canceled) {
189 this.canceled = canceled;
190 }
191
192 /**
193 * Sets the collection of changesets to be displayed
194 *
195 * @param changesets the collection of changesets. Assumes an empty collection if null
196 */
197 public void setChangesets(Collection<Changeset> changesets) {
198 if (changesets == null) {
199 changesets = new ArrayList<>();
200 }
201 model.removeAllElements();
202 for (Changeset cs: changesets) {
203 model.addElement(cs);
204 }
205 if (!changesets.isEmpty()) {
206 lstOpenChangesets.getSelectionModel().setSelectionInterval(0, changesets.size()-1);
207 }
208 }
209
210 /**
211 * Replies a collection with the changesets the user selected.
212 * Never null, but may be empty.
213 *
214 * @return a collection with the changesets the user selected.
215 */
216 public Collection<Changeset> getSelectedChangesets() {
217 return lstOpenChangesets.getSelectedValuesList();
218 }
219}
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