source: josm/src/org/openstreetmap/josm/gui/MapFrame.java@ 15

package org.openstreetmap.josm.gui;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.AbstractButton;
import javax.swing.ButtonGroup;
import javax.swing.JPanel;
import javax.swing.JToggleButton;
import javax.swing.JToolBar;

import org.openstreetmap.josm.actions.AutoScaleAction;
import org.openstreetmap.josm.actions.mapmode.AddLineSegmentAction;
import org.openstreetmap.josm.actions.mapmode.AddNodeAction;
import org.openstreetmap.josm.actions.mapmode.AddTrackAction;
import org.openstreetmap.josm.actions.mapmode.CombineAction;
import org.openstreetmap.josm.actions.mapmode.DebugAction;
import org.openstreetmap.josm.actions.mapmode.DeleteAction;
import org.openstreetmap.josm.actions.mapmode.MapMode;
import org.openstreetmap.josm.actions.mapmode.MoveAction;
import org.openstreetmap.josm.actions.mapmode.SelectionAction;
import org.openstreetmap.josm.actions.mapmode.ZoomAction;
import org.openstreetmap.josm.data.osm.DataSet;
import org.openstreetmap.josm.gui.dialogs.SelectionListDialog;

/**
 * One Map frame with one dataset behind. This is the container gui class whose
 * display can be set to the different views.
 * 
 * @author imi
 */
public class MapFrame extends JPanel {

        /**
         * The current mode, this frame operates.
         */
        public MapMode mapMode;
        /**
         * The view control displayed.
         */
        public Layer layer;
        /**
         * The toolbar with the action icons
         */
        public JToolBar toolBarActions = new JToolBar(JToolBar.VERTICAL);
        /**
         * The status line below the map
         */
        public MapStatus statusLine;

        /**
         * Construct a map with a given DataSet. The set cannot be replaced after construction
         * (but of course, the data can be altered using the map's editing features). 
         */
        public MapFrame(DataSet dataSet) {
                setSize(400,400);
                setLayout(new BorderLayout());

                add(layer = new Layer(dataSet), BorderLayout.CENTER);

                // toolbar
                toolBarActions.setFloatable(false);
                toolBarActions.add(new IconToggleButton(this, new ZoomAction(this)));
                toolBarActions.add(new IconToggleButton(this, new SelectionAction(this)));
                toolBarActions.add(new IconToggleButton(this, new MoveAction(this)));
                toolBarActions.add(new IconToggleButton(this, new AddNodeAction(this)));
                toolBarActions.add(new IconToggleButton(this, new AddLineSegmentAction(this)));
                toolBarActions.add(new IconToggleButton(this, new AddTrackAction(this)));
                toolBarActions.add(new IconToggleButton(this, new CombineAction(this)));
                toolBarActions.add(new IconToggleButton(this, new DeleteAction(this)));
                toolBarActions.add(new IconToggleButton(this, new DebugAction(this)));

                // all map modes in one button group
                ButtonGroup toolGroup = new ButtonGroup();
                for (Component c : toolBarActions.getComponents())
                        toolGroup.add((AbstractButton)c);
                toolGroup.setSelected(((AbstractButton)toolBarActions.getComponent(0)).getModel(), true);
                selectMapMode((MapMode)((AbstractButton)toolBarActions.getComponent(0)).getAction());

                // autoScale
                toolBarActions.addSeparator();
                final JToggleButton autoScaleButton = new IconToggleButton(this, new AutoScaleAction(layer));
                toolBarActions.add(autoScaleButton);
                autoScaleButton.setText(null);
                autoScaleButton.setSelected(layer.isAutoScale());
                layer.addPropertyChangeListener(new PropertyChangeListener(){
                        public void propertyChange(PropertyChangeEvent evt) {
                                if (evt.getPropertyName().equals("autoScale"))
                                        autoScaleButton.setSelected(layer.isAutoScale());
                        }
                });

                // selection dialog
                SelectionListDialog selectionList = new SelectionListDialog(dataSet);
                final IconToggleButton buttonSelection = new IconToggleButton(this, selectionList);
                selectionList.addWindowListener(new WindowAdapter(){
                        @Override
                        public void windowClosing(WindowEvent e) {
                                buttonSelection.setSelected(false);
                        }
                });
                toolBarActions.add(buttonSelection);

                // status line below the map
                statusLine = new MapStatus(layer);
        }

        /**
         * Change the operating map mode for the view. Will call unregister on the
         * old MapMode and register on the new one.
         * @param mapMode       The new mode to set.
         */
        public void selectMapMode(MapMode mapMode) {
                if (this.mapMode != null)
                        this.mapMode.unregisterListener();
                this.mapMode = mapMode;
                mapMode.registerListener();
        }
}