/*******************************************************************************
* Copyright (c) MOBAC developers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package mobac.gui.mapview.controller;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import mobac.gui.mapview.JMapViewer;
import mobac.gui.mapview.PreviewMap;
import mobac.gui.mapview.layer.RectangleSelectionLayer;
/**
* Implements the GUI logic for the preview map panel that manages the map selection and actions triggered by key
* strokes.
*
*/
public class RectangleSelectionMapController extends JMapController implements MouseMotionListener, MouseListener {
/**
* start point of selection rectangle in absolute tile coordinated regarding {@link JMapViewer#MAX_ZOOM}
*/
private Point iStartSelectionPoint;
/**
* end point of selection rectangle in absolute tile coordinated regarding {@link JMapViewer#MAX_ZOOM}
*/
private Point iEndSelectionPoint;
protected RectangleSelectionLayer mapLayer;
public RectangleSelectionMapController(PreviewMap map) {
super(map, false);
mapLayer = new RectangleSelectionLayer(this);
}
@Override
public void enable() {
super.enable();
// map.mapLayers.add(mapLayer);
}
@Override
public void disable() {
map.mapLayers.remove(mapLayer);
map.setSelectionByTileCoordinate(null, null, true);
super.disable();
}
/**
* Start drawing the selection rectangle if it was the 1st button (left button)
*/
public void mousePressed(MouseEvent e) {
if (e.getButton() == MouseEvent.BUTTON1) {
iStartSelectionPoint = convertToAbsolutePoint(e.getPoint());
iEndSelectionPoint = convertToAbsolutePoint(e.getPoint());
}
map.grabFocus();
}
public void mouseDragged(MouseEvent e) {
if ((e.getModifiersEx() & MouseEvent.BUTTON1_DOWN_MASK) == MouseEvent.BUTTON1_DOWN_MASK) {
if (iStartSelectionPoint != null) {
iEndSelectionPoint = convertToAbsolutePoint(e.getPoint());
map.setSelectionByTileCoordinate(PreviewMap.MAX_ZOOM, iStartSelectionPoint, iEndSelectionPoint, true);
}
}
}
/**
* When dragging the map change the cursor back to it's pre-move cursor. If a double-click occurs center and zoom
* the map on the clicked location.
*/
public void mouseReleased(MouseEvent e) {
if (e.getButton() == MouseEvent.BUTTON1) {
if (e.getClickCount() == 1) {
map.setSelectionByTileCoordinate(PreviewMap.MAX_ZOOM, iStartSelectionPoint,
convertToAbsolutePoint(e.getPoint()), true);
}
}
map.grabFocus();
}
public void mouseMoved(MouseEvent e) {
}
public void mouseClicked(MouseEvent e) {
map.grabFocus();
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public Point getiStartSelectionPoint() {
return iStartSelectionPoint;
}
public Point getiEndSelectionPoint() {
return iEndSelectionPoint;
}
public RectangleSelectionLayer getMapLayer() {
return mapLayer;
}
public PreviewMap getMap() {
return map;
}
}