svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / tools / MapTools / MeasureMapTool.java @ 292
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package com.iver.cit.gvsig.fmap.tools.MapTools; |
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import java.awt.Color; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.Point; |
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import java.awt.event.MouseEvent; |
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import java.util.ArrayList; |
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import com.iver.cit.gvsig.fmap.core.GeneralPathX; |
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import com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent; |
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import com.iver.cit.gvsig.fmap.tools.Listeners.MeasureListener; |
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import com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener; |
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/**
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* Medici?n de distancias.
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*
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* @author Vicente Caballero Navarro
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*/
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public class MeasureMapTool extends MapTool { |
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protected ArrayList arrayX = new ArrayList(); |
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protected ArrayList arrayY = new ArrayList(); |
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protected boolean isClicked = false; |
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protected MeasureListener listener;
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/**
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* @see com.iver.cit.gvsig.fmap.tools.MapTools.MapTool#paintComponent(java.awt.Graphics)
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*/
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public void paintComponent(Graphics g) { |
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g.drawImage(getMapControl().getImage(), 0, 0, null); |
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g.setColor(Color.black);
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if (!arrayX.isEmpty()) {
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drawPolyLine((Graphics2D) g);
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param E DOCUMENT ME!
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*/
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public void mouseClicked(MouseEvent E) { |
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if (E.getClickCount() == 2) { |
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arrayX.clear(); |
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arrayY.clear(); |
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isClicked = false;
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} else {
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isClicked = true;
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addPoint(E.getPoint()); |
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if (arrayX.size() < 2) { |
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addPoint(E.getPoint()); |
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} |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param p DOCUMENT ME!
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*/
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protected void changeLastPoint(Point p) { |
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arrayX.set(arrayX.size() - 1, new Double(p.getX())); |
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arrayY.set(arrayY.size() - 1, new Double(p.getY())); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param E DOCUMENT ME!
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*/
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public void mouseMoved(MouseEvent E) { |
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if (isClicked) {
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changeLastPoint(E.getPoint()); |
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MeasureEvent event = new MeasureEvent((Double[]) arrayX.toArray( |
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new Double[0]), (Double[]) arrayX.toArray(new Double[0])); |
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listener.points(event); |
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getMapControl().repaint(); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param g2 DOCUMENT ME!
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*/
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protected void drawPolyLine(Graphics2D g2) { |
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GeneralPathX polyline = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,
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arrayX.size()); |
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polyline.moveTo(((Double) arrayX.get(0)).doubleValue(), |
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((Double) arrayY.get(0)).doubleValue()); |
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for (int index = 1; index < arrayX.size(); index++) { |
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polyline.lineTo(((Double) arrayX.get(index)).doubleValue(),
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((Double) arrayY.get(index)).doubleValue());
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} |
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g2.draw(polyline); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param p DOCUMENT ME!
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*/
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protected void addPoint(Point p) { |
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arrayX.add(new Double(p.x)); |
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arrayY.add(new Double(p.y)); |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.tools.MapTools.MapTool#setListener(com.iver.cit.gvsig.fmap.tools.ToolListener)
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*/
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public void setListener(ToolListener listener) { |
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this.listener = (MeasureListener) listener;
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} |
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} |