// License: GPL. Copyright 2007 by Immanuel Scholz and others
package org.openstreetmap.josm.gui;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.Component;
import java.io.IOException;
import java.util.Collection;
import java.util.LinkedList;
import javax.swing.DefaultListModel;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.ListCellRenderer;
import javax.swing.UIManager;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.Bounds;
import org.openstreetmap.josm.data.Preferences;
import org.openstreetmap.josm.data.Preferences.Bookmark;
import org.openstreetmap.josm.tools.ImageProvider;
/**
* List class that read and save its content from the bookmark file.
* @author imi
*/
public class BookmarkList extends JList {
/**
* Create a bookmark list as well as the Buttons add and remove.
*/
public BookmarkList() {
setModel(new DefaultListModel());
load();
setVisibleRowCount(7);
setCellRenderer(new BookmarkCellRenderer());
}
/**
* Loads the bookmarks from file.
*/
public void load() {
DefaultListModel model = (DefaultListModel)getModel();
model.removeAllElements();
try {
for (Preferences.Bookmark b : Main.pref.loadBookmarks()) {
model.addElement(b);
}
} catch (IOException e) {
e.printStackTrace();
JOptionPane.showMessageDialog(
Main.parent,
tr("Could not read bookmarks from
''{0}''
Error was: {1}",
Main.pref.getBookmarksFile(),
e.getMessage()
),
tr("Error"),
JOptionPane.ERROR_MESSAGE
);
}
}
/**
* Save all bookmarks to the preferences file
*/
public void save() {
try {
Collection bookmarks = new LinkedList();
for (Object o : ((DefaultListModel)getModel()).toArray()) {
bookmarks.add((Preferences.Bookmark)o);
}
Main.pref.saveBookmarks(bookmarks);
} catch (IOException e) {
JOptionPane.showMessageDialog(
Main.parent,
tr("Could not write bookmark.
{0}", e.getMessage()),
tr("Error"),
JOptionPane.ERROR_MESSAGE
);
}
}
class BookmarkCellRenderer extends JLabel implements ListCellRenderer {
private ImageIcon icon;
public BookmarkCellRenderer() {
setOpaque(true);
icon = ImageProvider.get("dialogs", "bookmark");
setIcon(icon);
}
protected void renderColor(boolean selected) {
if (selected) {
setBackground(UIManager.getColor("List.selectionBackground"));
setForeground(UIManager.getColor("List.selectionForeground"));
} else {
setBackground(UIManager.getColor("List.background"));
setForeground(UIManager.getColor("List.foreground"));
}
}
protected String buildToolTipText(Bookmark b) {
Bounds area = b.getArea();
StringBuffer sb = new StringBuffer();
sb.append("min[latitude,longitude]=[")
.append(area.getMin().lat()).append(",").append(area.getMin().lon()).append("]")
.append("
")
.append("max[latitude,longitude]=[")
.append(area.getMax().lat()).append(",").append(area.getMax().lon()).append("]")
.append("");
return sb.toString();
}
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected,
boolean cellHasFocus) {
Bookmark b = (Bookmark) value;
renderColor(isSelected);
setText(b.getName());
setToolTipText(buildToolTipText(b));
return this;
}
}
}