INSA/be-graphes
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Code Issues 4 Releases Wiki Activity

Add zoom controls to mapview drawing, avoid triggering drawingclick events with zoom control.

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This commit is contained in:
Holt59 2018-03-03 15:36:35 +01:00
parent dede97bc68
commit f56d735d90
3 changed files with 82 additions and 21 deletions
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42
src/main/org/insa/graphics/drawing/components/BasicDrawing.java
View File

@ -9,7 +9,6 @@ import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.geom.AffineTransform;
import java.awt.geom.NoninvertibleTransformException;
import java.awt.geom.Point2D;
@ -17,10 +16,8 @@ import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.swing.JPanel;
@ -288,7 +285,7 @@ public class BasicDrawing extends JPanel implements Drawing {
private List<BasicOverlay> overlays = Collections.synchronizedList(new ArrayList<BasicOverlay>());
// Mapping DrawingClickListener -> MouseEventListener
private Map<DrawingClickListener, MouseListener> listenerMapping = new IdentityHashMap<>();
private List<DrawingClickListener> drawingClickListeners = new ArrayList<>();
// Zoom controls
private MapZoomControls zoomControls;
@ -319,6 +316,25 @@ public class BasicDrawing extends JPanel implements Drawing {
catch (IOException e) {
e.printStackTrace();
}
this.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent evt) {
if (zoomControls.contains(evt.getPoint())) {
return;
}
Point lonlat = null;
try {
lonlat = getLongitudeLatitude(evt);
}
catch (NoninvertibleTransformException e) {
return;
}
for (DrawingClickListener listener: drawingClickListeners) {
listener.mouseClicked(lonlat);
}
}
});
}
@Override
@ -345,7 +361,7 @@ public class BasicDrawing extends JPanel implements Drawing {
if (this.zoomControls != null) {
this.zoomControls.setZoomLevel(this.zoomAndPanListener.getZoomLevel());
this.zoomControls.draw(g, getWidth() - this.zoomControls.getWidth() - 20,
this.getHeight() - this.zoomControls.getHeight() - 20, this);
this.getHeight() - this.zoomControls.getHeight() - 10, this);
}
}
@ -392,24 +408,12 @@ public class BasicDrawing extends JPanel implements Drawing {
@Override
public void addDrawingClickListener(DrawingClickListener listener) {
MouseListener mListener = new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent evt) {
try {
listener.mouseClicked(getLongitudeLatitude(evt));
}
catch (NoninvertibleTransformException e) {
e.printStackTrace();
}
}
};
this.addMouseListener(mListener);
this.listenerMapping.put(listener, mListener);
this.drawingClickListeners.add(listener);
}
@Override
public void removeDrawingClickListener(DrawingClickListener listener) {
this.removeMouseListener(this.listenerMapping.get(listener));
this.drawingClickListeners.remove(listener);
}
@Override

43
src/main/org/insa/graphics/drawing/components/MapViewDrawing.java
View File

@ -1,7 +1,12 @@
package org.insa.graphics.drawing.components;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.UUID;
@ -207,6 +212,9 @@ public class MapViewDrawing extends MapView implements Drawing {
// Tile size
private int tileSize;
// Zoom controls
private MapZoomControls zoomControls;
public MapViewDrawing() {
super();
Parameters.NUMBER_OF_THREADS = 2;
@ -219,6 +227,37 @@ public class MapViewDrawing extends MapView implements Drawing {
this.setZoomLevelMin((byte) 0);
this.setZoomLevelMax((byte) 20);
// Try...
try {
this.zoomControls = new MapZoomControls(this, 0, 0, 20);
this.zoomControls.addZoomInListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
getModel().mapViewPosition.zoomIn();
}
});
this.zoomControls.addZoomOutListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
getModel().mapViewPosition.zoomOut();
}
});
}
catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void paint(Graphics graphics) {
super.paint(graphics);
if (this.zoomControls != null) {
this.zoomControls.setZoomLevel(this.getModel().mapViewPosition.getZoomLevel());
this.zoomControls.draw((Graphics2D) graphics, getWidth() - this.zoomControls.getWidth() - 20,
this.getHeight() - this.zoomControls.getHeight() - 10, this);
}
}
protected LatLong convertPoint(Point point) {
@ -232,6 +271,9 @@ public class MapViewDrawing extends MapView implements Drawing {
@Override
public boolean onTap(LatLong tapLatLong, org.mapsforge.core.model.Point layerXY,
org.mapsforge.core.model.Point tapXY) {
if (zoomControls.contains(new java.awt.Point((int) tapXY.x, (int) tapXY.y))) {
return false;
}
Point pt = new Point(tapLatLong.getLongitude(), tapLatLong.getLatitude());
for (DrawingClickListener listener: MapViewDrawing.this.drawingClickListeners) {
listener.mouseClicked(pt);
@ -301,6 +343,7 @@ public class MapViewDrawing extends MapView implements Drawing {
byte zoomLevel = LatLongUtils.zoomForBounds(model.mapViewDimension.getDimension(), boundingBox,
model.displayModel.getTileSize());
model.mapViewPosition.setMapPosition(new MapPosition(boundingBox.getCenterPoint(), zoomLevel));
zoomControls.setZoomLevel(zoomLevel);
}
}

18
src/main/org/insa/graphics/drawing/components/MapZoomControls.java
View File

@ -4,6 +4,7 @@ import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
@ -27,10 +28,10 @@ public class MapZoomControls {
private static final String ZOOM_OUT_ACTION_NAME = "ZoomOut";
// Height
private static final int DEFAULT_HEIGHT = 18;
private static final int DEFAULT_HEIGHT = 20;
// Default spacing between mark
private static final int DEFAULT_SPACING = 3;
private static final int DEFAULT_SPACING = 4;
// Zoom ticks ratio from height (not the current one)
private static final double ZOOM_TICK_HEIGHT_RATIO = 0.3;
@ -138,6 +139,19 @@ public class MapZoomControls {
return DEFAULT_HEIGHT + 2 + (this.maxLevel - this.minLevel) * DEFAULT_SPACING + 1 + 2 + DEFAULT_HEIGHT;
}
/**
* Check if a point is contained inside an element of this zoom controls, useful
* to avoid spurious click listeners.
*
* @param point
*
* @return true if the given point correspond to an element of this zoom
* controls.
*/
public boolean contains(Point point) {
return zoomInRect.contains(point) || zoomOutRect.contains(point);
}
protected void draw(Graphics2D g, int xoffset, int yoffset, ImageObserver observer) {
int height = getHeight();