Revision 23163 trunk/extensions/extTopology/src/org/gvsig/fmap/tools/behavior/VectorBehavior.java
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.util.List; |
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import org.gvsig.fmap.core.FGeometryUtil; |
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import org.gvsig.fmap.core.ShapePointExtractor; |
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import org.gvsig.fmap.tools.listeners.VectorListener; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.core.FPolyline2D; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.GeneralPathX; |
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import com.iver.cit.gvsig.fmap.core.IFeature; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.drivers.IFeatureIterator; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.tools.BehaviorException; |
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import com.iver.cit.gvsig.fmap.tools.Behavior.Behavior; |
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import com.iver.cit.gvsig.fmap.tools.Events.MoveEvent; |
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import com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener; |
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import com.iver.cit.gvsig.project.documents.view.snapping.SnappingVisitor; |
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import com.iver.cit.gvsig.project.documents.view.snapping.snappers.NearestPointSnapper; |
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/** |
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* Behavior to digitize two points vectors in mapcontrol |
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* @author azabala |
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*/ |
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public class VectorBehavior extends Behavior {
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NearestPointSnapper snapper = new NearestPointSnapper(); |
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PointSnapper pointSnapper = new PointSnapper(); |
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FLyrVect snappingLyr = null; |
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private boolean isZooming = false; |
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private Point2D m_FirstPoint; |
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private Point2D m_LastPoint; |
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private VectorListener listener; |
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BufferedImage.TYPE_INT_ARGB); |
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protected static Rectangle rect = new Rectangle(0, 0, 1, 1); |
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class PointSnapper extends NearestPointSnapper {
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public Point2D getSnapPoint(Point2D queryPoint, IGeometry geomToSnap, |
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double tolerance, Point2D lastPointEntered) {
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Point2D solution = null; |
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double minDistance = tolerance; |
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List<Point2D[]> pointsParts = |
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ShapePointExtractor.extractPoints(geomToSnap); |
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for(int i = 0; i < pointsParts.size(); i++){
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Point2D[] points = pointsParts.get(i); |
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for(int j = 0; j < points.length; j++){
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Point2D point = points[j]; |
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double dist = point.distance(queryPoint); |
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if(dist <= minDistance){
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solution = point; |
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minDistance = dist; |
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}//if |
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}//for j |
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}//for i |
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return solution; |
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} |
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public String getToolTipText() {
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return PluginServices.getText(this, "nearest_point_for_point_layers"); |
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} |
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} |
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/** |
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* Crea un nuevo RectangleBehavior. |
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* |
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* @param zili listener. |
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*/ |
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public VectorBehavior(VectorListener zili) {
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public VectorBehavior(VectorListener zili, FLyrVect snappingLyr) {
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listener = zili; |
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this.snappingLyr = snappingLyr; |
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Graphics2D g2 = img.createGraphics(); |
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drawInsideRectangle(g2, g2.getTransform(), rect); |
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rgb = img.getRGB(0, 0); |
| ... | ... | |
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// Dibujamos el actual |
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if ((m_FirstPoint != null) && (m_LastPoint != null)) {
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if ((m_FirstPoint != null) && (m_LastPoint != null) && !isZooming) {
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GeneralPathX line = new GeneralPathX(); |
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line.moveTo(m_FirstPoint.getX(), m_FirstPoint.getY()); |
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line.lineTo(m_LastPoint.getX(), m_LastPoint.getY()); |
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* @param e MouseEvent |
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*/ |
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public void mousePressed(MouseEvent e) {
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// if (e.getButton() == MouseEvent.BUTTON1) {
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int modifiers = e.getModifiersEx(); |
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int ctrlDownMask = modifiers & MouseEvent.CTRL_DOWN_MASK; |
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if(ctrlDownMask == MouseEvent.CTRL_DOWN_MASK ){
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isZooming = true; |
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} |
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m_FirstPoint = e.getPoint(); |
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getMapControl().repaint(); |
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// } |
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if (listener.cancelDrawing()) {
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getMapControl().cancelDrawing(); |
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getMapControl().repaint(); |
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} |
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if (listener.cancelDrawing()) {
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getMapControl().cancelDrawing();
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getMapControl().repaint();
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}
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} |
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/** |
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* Reimplementaci?n del m?todo mouseReleased de Behavior. |
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* @throws BehaviorException Excepci?n lanzada cuando el Behavior. |
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*/ |
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public void mouseReleased(MouseEvent e) throws BehaviorException {
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if (m_FirstPoint == null) return; |
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if (m_FirstPoint == null) {
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isZooming = false; |
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return; |
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} |
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Point2D p1; |
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Point2D p2; |
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Point pScreen = e.getPoint(); |
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ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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p1 = vp.toMapPoint(m_FirstPoint); |
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//we snap to the nearest point of the adjusting layer |
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int pixelTolerance = 8; |
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double mapTolerance = vp.toMapDistance(pixelTolerance); |
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double minDist = mapTolerance; |
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Rectangle2D r = new Rectangle2D.Double(p1.getX() - mapTolerance / 2, |
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p1.getY() - mapTolerance / 2, mapTolerance, mapTolerance); |
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p1 = vp.toMapPoint(m_FirstPoint); |
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if (snappingLyr.isVisible()){
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try {
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IFeatureIterator iterator = snappingLyr.getSource().getFeatureIterator(r, null, null, false); |
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SnappingVisitor snapVisitor = |
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new SnappingVisitor(snapper, p1, mapTolerance, null); |
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SnappingVisitor snapVisitor2 = |
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new SnappingVisitor(pointSnapper, p1, mapTolerance, null); |
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while(iterator.hasNext()){
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IFeature feature = iterator.next(); |
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IGeometry geo = feature.getGeometry(); |
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snapVisitor.visitItem(geo); |
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snapVisitor2.visitItem(geo); |
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} |
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Point2D theSnappedPoint = snapVisitor.getSnapPoint(); |
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if(theSnappedPoint == null) |
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theSnappedPoint = snapVisitor2.getSnapPoint(); |
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if (theSnappedPoint != null) {
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p1.setLocation(theSnappedPoint); |
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} |
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} catch (ReadDriverException e1) {
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e1.printStackTrace(); |
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throw new BehaviorException("Error de driver intentando aplicar snap", e1);
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} |
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}//isVisible |
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p2 = vp.toMapPoint(pScreen); |
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// Rectangle2D.Double rectangle = new Rectangle2D.Double(); |
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// rectangle.setFrameFromDiagonal(p1, p2); |
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// if (e.getButton() == MouseEvent.BUTTON1) {
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// Fijamos el nuevo extent |
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Rectangle2D.Double r = new Rectangle2D.Double(); |
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r.setFrameFromDiagonal(p1, p2); |
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// MoveEvent event = new MoveEvent(m_FirstPoint, e.getPoint(), e); |
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MoveEvent event = new MoveEvent(p1, p2, e); |
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listener.vector(event); |
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MoveEvent event = new MoveEvent(m_FirstPoint, e.getPoint(), e); |
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listener.vector(event); |
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// } |
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m_FirstPoint = null; |
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m_LastPoint = null; |
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isZooming = false; |
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} |
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/** |
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} |
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public FLyrVect getSnappingLyr() {
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return snappingLyr; |
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} |
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public void setSnappingLyr(FLyrVect snappingLyr) {
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this.snappingLyr = snappingLyr; |
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} |
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} |
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