[Schmitzm-commits] r636 - branches/2.0-RC2/src/skrueger/geotools

[scm-commit@wald.intevation.org]

Author: alfonx
Date: 2010-01-28 16:33:22 +0100 (Thu, 28 Jan 2010)
New Revision: 636

Modified:
   branches/2.0-RC2/src/skrueger/geotools/XMapPaneMouseListener.java
Log:
Schrittweise umstellen...

Modified: branches/2.0-RC2/src/skrueger/geotools/XMapPaneMouseListener.java
===================================================================
--- branches/2.0-RC2/src/skrueger/geotools/XMapPaneMouseListener.java	2010-01-28 15:27:27 UTC (rev 635)
+++ branches/2.0-RC2/src/skrueger/geotools/XMapPaneMouseListener.java	2010-01-28 15:33:22 UTC (rev 636)
@@ -1,10 +1,166 @@
 package skrueger.geotools;
 
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseWheelEvent;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Point2D;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.geotools.geometry.DirectPosition2D;
+
+import schmitzm.geotools.JTSUtil;
+import schmitzm.swing.event.MouseInputType;
 import schmitzm.swing.event.SelectiveMouseAdapter;
+import schmitzm.swing.event.MouseInputType.*;
 
 public class XMapPaneMouseListener extends SelectiveMouseAdapter {
 
+	/**
+	 * Holds the configuration of which {@link XMapPaneAction} is associated
+	 * with which {@link MouseInputType}
+	 **/
+	Map<MouseInputType, XMapPaneAction> actions = new HashMap<MouseInputType, XMapPaneAction>(
+			MouseInputType.values().length);
+
+	/**
+	 * A reference to the {@link XMapPane} that the {@link XMapPaneAction}s will
+	 * be performed on.
+	 */
+	private final XMapPane xMapPane;
+
 	public XMapPaneMouseListener(XMapPane xMapPane) {
+		this.xMapPane = xMapPane;
 	}
 
+	@Override
+	public void performMouseClicked(MouseEvent mEv) {
+
+		MouseInputType key = null;
+
+		switch (mEv.getButton()) {
+		case MouseEvent.BUTTON1:
+			key = MouseInputType.LClick;
+			break;
+		case MouseEvent.BUTTON3:
+			key = MouseInputType.RClick;
+			break;
+		default:
+			return;
+		}
+
+		XMapPaneAction action = actions.get(key);
+
+		if (action == null) {
+			// No action has been defined for this - no problem
+			return;
+		}
+
+		// Calculate the coordinates in the map's CRS
+		DirectPosition2D coord = XMapPane.getMapCoordinatesFromEvent(mEv);
+
+		/** Call the XMapPaneAction */
+		if (coord != null)
+			action.performClick(xMapPane, mEv, coord);
+	}
+
+	@Override
+	public void performMouseDragged(MouseEvent mEv) {
+
+		MouseInputType key = null;
+
+		switch (mEv.getButton()) {
+		case MouseEvent.BUTTON1:
+			key = MouseInputType.LDrag;
+			break;
+		case MouseEvent.BUTTON3:
+			key = MouseInputType.RDrag;
+			break;
+		default:
+			return;
+		}
+
+		XMapPaneAction action = actions.get(key);
+
+		if (action == null) {
+			// No action has been defined for this - no problem
+			return;
+		}
+
+		// Calculate the coordinates in the map's CRS
+		DirectPosition2D endCoord = XMapPane.getMapCoordinatesFromEvent(mEv);
+
+		DirectPosition2D startCoord = getDragStartCoord();
+
+		/** Call the XMapPaneAction */
+		if (startCoord != null && endCoord != null)
+			action.performDragging(xMapPane, mEv, dragStartPos, startCoord,
+					endCoord);
+	}
+
+	@Override
+	public void performMouseWheelMoved(MouseWheelEvent mEv) {
+
+		XMapPaneAction action = actions.get(MouseInputType.Wheel);
+
+		if (action == null)
+			return;
+
+		// Calculate the coordinates in the map's CRS
+		DirectPosition2D coord = XMapPane.getMapCoordinatesFromEvent(mEv);
+
+		/** Call the XMapPaneAction */
+		if (coord != null)
+			action.performWheel(xMapPane, mEv, coord);
+	}
+
+	public void performMouseReleased(MouseEvent mEv) {
+
+		if (mEv.getPoint().equals(dragStartPos))
+			performMouseClicked(mEv);
+
+		MouseInputType key;
+		switch (mEv.getButton()) {
+		case MouseEvent.BUTTON1:
+			key = MouseInputType.LWin;
+			break;
+		case MouseEvent.BUTTON3:
+			key = MouseInputType.RWin;
+			break;
+		default:
+			return;
+		}
+
+		XMapPaneAction action = actions.get(key);
+
+		if (action == null)
+			return;
+
+		// Transform window coordinates to MapContext coordinates
+
+		// Calculate the coordinates in the map's CRS
+		DirectPosition2D endCoord = XMapPane.getMapCoordinatesFromEvent(mEv);
+		if (endCoord == null)
+			return;
+
+		action.performWindow(xMapPane, mEv, dragStartPos, getDragStartCoord(),
+				endCoord);
+	}
+
+	/**
+	 * Returns the drag position in map CRS
+	 */
+	public DirectPosition2D getDragStartCoord() {
+
+		final AffineTransform at = xMapPane.getScreenToWorld();
+		if (at == null)
+			return null;
+
+		Point2D transformed = at.transform(dragStartPos, null);
+		DirectPosition2D startCoord = new DirectPosition2D(xMapPane
+				.getMapContext().getCoordinateReferenceSystem(), transformed
+				.getX(), transformed.getY());
+		return startCoord;
+	}
+
 }