Add zoom controls to mapview drawing, avoid triggering drawingclick events with zoom control.
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dede97bc68
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@ -9,7 +9,6 @@ import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.NoninvertibleTransformException;
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import java.awt.geom.Point2D;
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@ -17,10 +16,8 @@ import java.awt.image.BufferedImage;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.IdentityHashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import javax.swing.JPanel;
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@ -288,7 +285,7 @@ public class BasicDrawing extends JPanel implements Drawing {
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private List<BasicOverlay> overlays = Collections.synchronizedList(new ArrayList<BasicOverlay>());
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// Mapping DrawingClickListener -> MouseEventListener
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private Map<DrawingClickListener, MouseListener> listenerMapping = new IdentityHashMap<>();
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private List<DrawingClickListener> drawingClickListeners = new ArrayList<>();
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// Zoom controls
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private MapZoomControls zoomControls;
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@ -319,6 +316,25 @@ public class BasicDrawing extends JPanel implements Drawing {
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catch (IOException e) {
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e.printStackTrace();
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}
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this.addMouseListener(new MouseAdapter() {
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@Override
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public void mouseClicked(MouseEvent evt) {
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if (zoomControls.contains(evt.getPoint())) {
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return;
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}
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Point lonlat = null;
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try {
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lonlat = getLongitudeLatitude(evt);
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}
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catch (NoninvertibleTransformException e) {
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return;
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}
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for (DrawingClickListener listener: drawingClickListeners) {
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listener.mouseClicked(lonlat);
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}
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}
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});
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}
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@Override
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@ -345,7 +361,7 @@ public class BasicDrawing extends JPanel implements Drawing {
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if (this.zoomControls != null) {
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this.zoomControls.setZoomLevel(this.zoomAndPanListener.getZoomLevel());
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this.zoomControls.draw(g, getWidth() - this.zoomControls.getWidth() - 20,
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this.getHeight() - this.zoomControls.getHeight() - 20, this);
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this.getHeight() - this.zoomControls.getHeight() - 10, this);
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}
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}
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@ -392,24 +408,12 @@ public class BasicDrawing extends JPanel implements Drawing {
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@Override
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public void addDrawingClickListener(DrawingClickListener listener) {
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MouseListener mListener = new MouseAdapter() {
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@Override
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public void mouseClicked(MouseEvent evt) {
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try {
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listener.mouseClicked(getLongitudeLatitude(evt));
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}
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catch (NoninvertibleTransformException e) {
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e.printStackTrace();
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}
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}
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};
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this.addMouseListener(mListener);
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this.listenerMapping.put(listener, mListener);
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this.drawingClickListeners.add(listener);
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}
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@Override
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public void removeDrawingClickListener(DrawingClickListener listener) {
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this.removeMouseListener(this.listenerMapping.get(listener));
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this.drawingClickListeners.remove(listener);
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}
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@Override
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@ -1,7 +1,12 @@
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package org.insa.graphics.drawing.components;
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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.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.UUID;
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@ -207,6 +212,9 @@ public class MapViewDrawing extends MapView implements Drawing {
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// Tile size
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private int tileSize;
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// Zoom controls
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private MapZoomControls zoomControls;
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public MapViewDrawing() {
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super();
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Parameters.NUMBER_OF_THREADS = 2;
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@ -219,6 +227,37 @@ public class MapViewDrawing extends MapView implements Drawing {
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this.setZoomLevelMin((byte) 0);
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this.setZoomLevelMax((byte) 20);
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// Try...
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try {
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this.zoomControls = new MapZoomControls(this, 0, 0, 20);
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this.zoomControls.addZoomInListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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getModel().mapViewPosition.zoomIn();
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}
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});
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this.zoomControls.addZoomOutListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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getModel().mapViewPosition.zoomOut();
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}
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});
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}
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catch (IOException e) {
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e.printStackTrace();
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}
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}
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@Override
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public void paint(Graphics graphics) {
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super.paint(graphics);
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if (this.zoomControls != null) {
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this.zoomControls.setZoomLevel(this.getModel().mapViewPosition.getZoomLevel());
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this.zoomControls.draw((Graphics2D) graphics, getWidth() - this.zoomControls.getWidth() - 20,
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this.getHeight() - this.zoomControls.getHeight() - 10, this);
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}
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}
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protected LatLong convertPoint(Point point) {
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@ -232,6 +271,9 @@ public class MapViewDrawing extends MapView implements Drawing {
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@Override
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public boolean onTap(LatLong tapLatLong, org.mapsforge.core.model.Point layerXY,
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org.mapsforge.core.model.Point tapXY) {
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if (zoomControls.contains(new java.awt.Point((int) tapXY.x, (int) tapXY.y))) {
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return false;
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}
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Point pt = new Point(tapLatLong.getLongitude(), tapLatLong.getLatitude());
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for (DrawingClickListener listener: MapViewDrawing.this.drawingClickListeners) {
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listener.mouseClicked(pt);
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@ -301,6 +343,7 @@ public class MapViewDrawing extends MapView implements Drawing {
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byte zoomLevel = LatLongUtils.zoomForBounds(model.mapViewDimension.getDimension(), boundingBox,
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model.displayModel.getTileSize());
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model.mapViewPosition.setMapPosition(new MapPosition(boundingBox.getCenterPoint(), zoomLevel));
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zoomControls.setZoomLevel(zoomLevel);
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}
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}
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@ -4,6 +4,7 @@ import java.awt.Color;
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import java.awt.Component;
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import java.awt.Graphics2D;
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import java.awt.Image;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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@ -27,10 +28,10 @@ public class MapZoomControls {
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private static final String ZOOM_OUT_ACTION_NAME = "ZoomOut";
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// Height
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private static final int DEFAULT_HEIGHT = 18;
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private static final int DEFAULT_HEIGHT = 20;
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// Default spacing between mark
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private static final int DEFAULT_SPACING = 3;
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private static final int DEFAULT_SPACING = 4;
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// Zoom ticks ratio from height (not the current one)
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private static final double ZOOM_TICK_HEIGHT_RATIO = 0.3;
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@ -138,6 +139,19 @@ public class MapZoomControls {
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return DEFAULT_HEIGHT + 2 + (this.maxLevel - this.minLevel) * DEFAULT_SPACING + 1 + 2 + DEFAULT_HEIGHT;
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}
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/**
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* Check if a point is contained inside an element of this zoom controls, useful
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* to avoid spurious click listeners.
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*
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* @param point
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*
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* @return true if the given point correspond to an element of this zoom
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* controls.
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*/
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public boolean contains(Point point) {
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return zoomInRect.contains(point) || zoomOutRect.contains(point);
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}
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protected void draw(Graphics2D g, int xoffset, int yoffset, ImageObserver observer) {
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int height = getHeight();
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