// License: GPL. Copyright 2007 by Immanuel Scholz and others package org.openstreetmap.josm.gui.dialogs; import static org.openstreetmap.josm.tools.I18n.tr; import java.awt.BorderLayout; import java.awt.Component; import java.awt.GridBagLayout; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.util.Calendar; import java.util.Collection; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.SortedSet; import java.util.TreeSet; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.DefaultTableCellRenderer; import javax.swing.table.DefaultTableModel; import javax.swing.table.TableCellRenderer; import org.openstreetmap.josm.Main; import org.openstreetmap.josm.data.SelectionChangedListener; import org.openstreetmap.josm.data.osm.DataSet; import org.openstreetmap.josm.data.osm.OsmPrimitive; import org.openstreetmap.josm.tools.GBC; import org.openstreetmap.josm.tools.ImageProvider; /** * History dialog works like follows: * * There is a history cache hold in the back for primitives of the last refresh. * When the user refreshes, this cache is cleared and all currently selected items * are reloaded. * If the user has selected at least one primitive not in the cache, the list * is not displayed. Elsewhere, the list of all changes of all currently selected * objects are displayed. * * @author imi */ public class HistoryDialog extends ToggleDialog implements SelectionChangedListener { public static final Date unifyDate(Date d) { Calendar c = Calendar.getInstance(); c.setTime(d); c.set(Calendar.MINUTE, 0); c.set(Calendar.SECOND, 0); return c.getTime(); } private static class HistoryItem implements Comparable { OsmPrimitive osm; boolean visible; public int compareTo(HistoryItem o) { return unifyDate(osm.timestamp).compareTo(unifyDate(o.osm.timestamp)); } } private final DefaultTableModel data = new DefaultTableModel(){ @Override public boolean isCellEditable(int row, int column) { return false; } }; /** * Main table. 3 columns: * Object | Date | visible (icon, no text) */ private JTable history = new JTable(data); private JScrollPane historyPane = new JScrollPane(history); private Map> cache = new HashMap>(); private JLabel notLoaded = new JLabel(""+tr("Click Reload to refresh list")+""); private JButton reloadButton = new JButton(tr("Reload"), ImageProvider.get("dialogs/refresh")); private JButton revertButton = new JButton(tr("Revert"), ImageProvider.get("dialogs/revert")); public HistoryDialog() { super(tr("History"), "history", tr("Display the history of all selected items."), KeyEvent.VK_H, 150); historyPane.setVisible(false); notLoaded.setVisible(true); notLoaded.setHorizontalAlignment(JLabel.CENTER); history.setDefaultRenderer(Object.class, new DefaultTableCellRenderer(){ @Override public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { return super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); } }); data.setColumnIdentifiers(new Object[]{tr("Object"),tr("Date"),""}); history.getColumnModel().getColumn(0).setPreferredWidth(200); history.getColumnModel().getColumn(1).setPreferredWidth(200); history.getColumnModel().getColumn(2).setPreferredWidth(20); final TableCellRenderer oldRenderer = history.getTableHeader().getDefaultRenderer(); history.getTableHeader().setDefaultRenderer(new DefaultTableCellRenderer(){ @Override public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { JComponent c = (JComponent)oldRenderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); if (!value.equals("")) return c; JLabel l = new JLabel(ImageProvider.get("misc","showhide")); l.setForeground(c.getForeground()); l.setBackground(c.getBackground()); l.setFont(c.getFont()); l.setBorder(c.getBorder()); l.setOpaque(true); return l; } }); JPanel centerPanel = new JPanel(new GridBagLayout()); centerPanel.add(notLoaded, GBC.eol().fill(GBC.BOTH)); centerPanel.add(historyPane, GBC.eol().fill(GBC.BOTH)); add(centerPanel, BorderLayout.CENTER); JPanel buttons = new JPanel(new GridLayout(1,2)); buttons.add(reloadButton); buttons.add(revertButton); add(buttons, BorderLayout.SOUTH); reloadButton.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e) { reload(); } }); reloadButton.setToolTipText(tr("Reload all currently selected objects and refresh the list.")); reloadButton.putClientProperty("help", "Dialog/History/Reload"); revertButton.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e) { JOptionPane.showMessageDialog(Main.parent, tr("Not implemented yet.")); } }); revertButton.setToolTipText(tr("Revert the state of all currently selected objects to the version selected in the history list.")); revertButton.putClientProperty("help", "Dialog/History/Revert"); DataSet.selListeners.add(this); } @Override public void setVisible(boolean b) { super.setVisible(b); if (b) update(); } public void selectionChanged(Collection newSelection) { if (isVisible()) update(); } /** * Identify all new objects in the selection and if any, hide the list. * Else, update the list with the selected items shown. */ private void update() { Collection sel = Main.ds.getSelected(); if (!cache.keySet().containsAll(sel)) { historyPane.setVisible(false); notLoaded.setVisible(true); } else { SortedSet orderedHistory = new TreeSet(); for (OsmPrimitive osm : sel) orderedHistory.addAll(cache.get(osm)); data.setRowCount(0); for (HistoryItem i : orderedHistory) data.addRow(new Object[]{i.osm, i.osm.timestamp, i.visible}); historyPane.setVisible(true); notLoaded.setVisible(false); } } void reload() { JOptionPane.showMessageDialog(Main.parent, tr("Not implemented yet.")); } }