// License: GPL. See LICENSE file for details.
package org.openstreetmap.josm.gui;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.geom.Area;
import java.awt.geom.GeneralPath;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.swing.AbstractButton;
import javax.swing.ActionMap;
import javax.swing.InputMap;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.AutoScaleAction;
import org.openstreetmap.josm.actions.mapmode.MapMode;
import org.openstreetmap.josm.data.Bounds;
import org.openstreetmap.josm.data.ViewportData;
import org.openstreetmap.josm.data.Preferences.PreferenceChangeEvent;
import org.openstreetmap.josm.data.Preferences.PreferenceChangedListener;
import org.openstreetmap.josm.data.SelectionChangedListener;
import org.openstreetmap.josm.data.coor.EastNorth;
import org.openstreetmap.josm.data.coor.LatLon;
import org.openstreetmap.josm.data.imagery.ImageryInfo;
import org.openstreetmap.josm.data.osm.DataSet;
import org.openstreetmap.josm.data.osm.DataSource;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache;
import org.openstreetmap.josm.gui.layer.GpxLayer;
import org.openstreetmap.josm.gui.layer.ImageryLayer;
import org.openstreetmap.josm.gui.layer.Layer;
import org.openstreetmap.josm.gui.layer.MapViewPaintable;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.gui.layer.geoimage.GeoImageLayer;
import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
import org.openstreetmap.josm.gui.layer.markerlayer.PlayHeadMarker;
import org.openstreetmap.josm.gui.util.GuiHelper;
import org.openstreetmap.josm.tools.AudioPlayer;
import org.openstreetmap.josm.tools.BugReportExceptionHandler;
import org.openstreetmap.josm.tools.Shortcut;
import org.openstreetmap.josm.tools.Utils;
/**
* This is a component used in the {@link MapFrame} for browsing the map. It use is to
* provide the MapMode's enough capabilities to operate.<br><br>
*
* {@code MapView} holds meta-data about the data set currently displayed, as scale level,
* center point viewed, what scrolling mode or editing mode is selected or with
* what projection the map is viewed etc..<br><br>
*
* {@code MapView} is able to administrate several layers.
*
* @author imi
*/
public class MapView extends NavigatableComponent implements PropertyChangeListener, PreferenceChangedListener, OsmDataLayer.LayerStateChangeListener {
/**
* Interface to notify listeners of a layer change.
* @author imi
*/
public interface LayerChangeListener {
/**
* Notifies this listener that the active layer has changed.
* @param oldLayer The previous active layer
* @param newLayer The new activer layer
*/
void activeLayerChange(Layer oldLayer, Layer newLayer);
/**
* Notifies this listener that a layer has been added.
* @param newLayer The new added layer
*/
void layerAdded(Layer newLayer);
/**
* Notifies this listener that a layer has been removed.
* @param oldLayer The old removed layer
*/
void layerRemoved(Layer oldLayer);
}
public interface EditLayerChangeListener {
void editLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer);
}
public boolean viewportFollowing = false;
/**
* the layer listeners
*/
private static final CopyOnWriteArrayList<LayerChangeListener> layerChangeListeners = new CopyOnWriteArrayList<>();
private static final CopyOnWriteArrayList<EditLayerChangeListener> editLayerChangeListeners = new CopyOnWriteArrayList<>();
/**
* Removes a layer change listener
*
* @param listener the listener. Ignored if null or already registered.
*/
public static void removeLayerChangeListener(LayerChangeListener listener) {
layerChangeListeners.remove(listener);
}
public static void removeEditLayerChangeListener(EditLayerChangeListener listener) {
editLayerChangeListeners.remove(listener);
}
/**
* Adds a layer change listener
*
* @param listener the listener. Ignored if null or already registered.
*/
public static void addLayerChangeListener(LayerChangeListener listener) {
if (listener != null) {
layerChangeListeners.addIfAbsent(listener);
}
}
/**
* Adds an edit layer change listener
*
* @param listener the listener. Ignored if null or already registered.
* @param initialFire Fire an edit-layer-changed-event right after adding
* the listener in case there is an edit layer present
*/
public static void addEditLayerChangeListener(EditLayerChangeListener listener, boolean initialFire) {
addEditLayerChangeListener(listener);
if (initialFire && Main.isDisplayingMapView() && Main.map.mapView.getEditLayer() != null) {
fireEditLayerChanged(null, Main.map.mapView.getEditLayer());
}
}
/**
* Adds an edit layer change listener
*
* @param listener the listener. Ignored if null or already registered.
*/
public static void addEditLayerChangeListener(EditLayerChangeListener listener) {
if (listener != null) {
editLayerChangeListeners.addIfAbsent(listener);
}
}
protected static void fireActiveLayerChanged(Layer oldLayer, Layer newLayer) {
for (LayerChangeListener l : layerChangeListeners) {
l.activeLayerChange(oldLayer, newLayer);
}
}
protected static void fireLayerAdded(Layer newLayer) {
for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
l.layerAdded(newLayer);
}
}
protected static void fireLayerRemoved(Layer layer) {
for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
l.layerRemoved(layer);
}
}
protected static void fireEditLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
for (EditLayerChangeListener l : editLayerChangeListeners) {
l.editLayerChanged(oldLayer, newLayer);
}
}
/**
* A list of all layers currently loaded.
*/
private final List<Layer> layers = new ArrayList<>();
/**
* The play head marker: there is only one of these so it isn't in any specific layer
*/
public PlayHeadMarker playHeadMarker = null;
/**
* The layer from the layers list that is currently active.
*/
private Layer activeLayer;
private OsmDataLayer editLayer;
/**
* The last event performed by mouse.
*/
public MouseEvent lastMEvent = new MouseEvent(this, 0, 0, 0, 0, 0, 0, false); // In case somebody reads it before first mouse move
private final List<MapViewPaintable> temporaryLayers = new LinkedList<>();
private BufferedImage nonChangedLayersBuffer;
private BufferedImage offscreenBuffer;
// Layers that wasn't changed since last paint
private final List<Layer> nonChangedLayers = new ArrayList<>();
private Layer changedLayer;
private int lastViewID;
private boolean paintPreferencesChanged = true;
private Rectangle lastClipBounds = new Rectangle();
private MapMover mapMover;
/**
* Constructs a new {@code MapView}.
* @param contentPane The content pane used to register shortcuts in its
* {@link InputMap} and {@link ActionMap}
* @param viewportData the initial viewport of the map. Can be null, then
* the viewport is derived from the layer data.
*/
public MapView(final JPanel contentPane, final ViewportData viewportData) {
Main.pref.addPreferenceChangeListener(this);
final boolean unregisterTab = Shortcut.findShortcut(KeyEvent.VK_TAB, 0)!=null;
addComponentListener(new ComponentAdapter(){
@Override public void componentResized(ComponentEvent e) {
removeComponentListener(this);
MapSlider zoomSlider = new MapSlider(MapView.this);
add(zoomSlider);
zoomSlider.setBounds(3, 0, 114, 30);
zoomSlider.setFocusTraversalKeysEnabled(!unregisterTab);
MapScaler scaler = new MapScaler(MapView.this);
add(scaler);
scaler.setLocation(10,30);
mapMover = new MapMover(MapView.this, contentPane);
if (viewportData != null) {
zoomTo(viewportData.getCenter(), viewportData.getScale());
} else {
OsmDataLayer layer = getEditLayer();
if (layer != null) {
if (!zoomToDataSetBoundingBox(layer.data)) {
// no bounding box defined
AutoScaleAction.autoScale("data");
}
} else {
AutoScaleAction.autoScale("layer");
}
}
}
});
// listend to selection changes to redraw the map
DataSet.addSelectionListener(repaintSelectionChangedListener);
//store the last mouse action
this.addMouseMotionListener(new MouseMotionListener() {
@Override public void mouseDragged(MouseEvent e) {
mouseMoved(e);
}
@Override public void mouseMoved(MouseEvent e) {
lastMEvent = e;
}
});
this.addMouseListener(new MouseAdapter() {
@Override
public void mousePressed(MouseEvent me) {
// focus the MapView component when mouse is pressed inside it
requestFocus();
}
});
if (Shortcut.findShortcut(KeyEvent.VK_TAB, 0)!=null) {
setFocusTraversalKeysEnabled(false);
}
}
// remebered geometry of the component
private Dimension oldSize = null;
private Point oldLoc = null;
/*
* Call this method to keep map position on screen during next repaint
*/
public void rememberLastPositionOnScreen() {
oldSize = getSize();
oldLoc = getLocationOnScreen();
}
/**
* Adds a GPX layer. A GPX layer is added below the lowest data layer.
*
* @param layer the GPX layer
*/
protected void addGpxLayer(GpxLayer layer) {
if (layers.isEmpty()) {
layers.add(layer);
return;
}
for (int i=layers.size()-1; i>= 0; i--) {
if (layers.get(i) instanceof OsmDataLayer) {
if (i == layers.size()-1) {
layers.add(layer);
} else {
layers.add(i+1, layer);
}
return;
}
}
layers.add(0, layer);
}
/**
* Add a layer to the current MapView. The layer will be added at topmost
* position.
* @param layer The layer to add
*/
public void addLayer(Layer layer) {
if (layer instanceof MarkerLayer && playHeadMarker == null) {
playHeadMarker = PlayHeadMarker.create();
}
if (layer instanceof GpxLayer) {
addGpxLayer((GpxLayer)layer);
} else if (layers.isEmpty()) {
layers.add(layer);
} else if (layer.isBackgroundLayer()) {
int i = 0;
for (; i < layers.size(); i++) {
if (layers.get(i).isBackgroundLayer()) {
break;
}
}
layers.add(i, layer);
} else {
layers.add(0, layer);
}
fireLayerAdded(layer);
boolean isOsmDataLayer = layer instanceof OsmDataLayer;
if (isOsmDataLayer) {
((OsmDataLayer)layer).addLayerStateChangeListener(this);
}
boolean callSetActiveLayer = isOsmDataLayer || activeLayer == null;
if (callSetActiveLayer) {
// autoselect the new layer
setActiveLayer(layer); // also repaints this MapView
}
layer.addPropertyChangeListener(this);
Main.addProjectionChangeListener(layer);
AudioPlayer.reset();
if (!callSetActiveLayer) {
repaint();
}
}
@Override
protected DataSet getCurrentDataSet() {
if (editLayer != null)
return editLayer.data;
else
return null;
}
/**
* Replies true if the active layer is drawable.
*
* @return true if the active layer is drawable, false otherwise
*/
public boolean isActiveLayerDrawable() {
return editLayer != null;
}
/**
* Replies true if the active layer is visible.
*
* @return true if the active layer is visible, false otherwise
*/
public boolean isActiveLayerVisible() {
return isActiveLayerDrawable() && editLayer.isVisible();
}
/**
* Determines the next active data layer according to the following
* rules:
* <ul>
* <li>if there is at least one {@link OsmDataLayer} the first one
* becomes active</li>
* <li>otherwise, the top most layer of any type becomes active</li>
* </ul>
*
* @return the next active data layer
*/
protected Layer determineNextActiveLayer(List<Layer> layersList) {
// First look for data layer
for (Layer layer:layersList) {
if (layer instanceof OsmDataLayer)
return layer;
}
// Then any layer
if (!layersList.isEmpty())
return layersList.get(0);
// and then give up
return null;
}
/**
* Remove the layer from the mapview. If the layer was in the list before,
* an LayerChange event is fired.
* @param layer The layer to remove
*/
public void removeLayer(Layer layer) {
List<Layer> layersList = new ArrayList<>(layers);
if (!layersList.remove(layer))
return;
setEditLayer(layersList);
if (layer == activeLayer) {
setActiveLayer(determineNextActiveLayer(layersList), false);
}
if (layer instanceof OsmDataLayer) {
((OsmDataLayer)layer).removeLayerPropertyChangeListener(this);
}
layers.remove(layer);
Main.removeProjectionChangeListener(layer);
fireLayerRemoved(layer);
layer.removePropertyChangeListener(this);
layer.destroy();
AudioPlayer.reset();
repaint();
}
private boolean virtualNodesEnabled = false;
public void setVirtualNodesEnabled(boolean enabled) {
if(virtualNodesEnabled != enabled) {
virtualNodesEnabled = enabled;
repaint();
}
}
public boolean isVirtualNodesEnabled() {
return virtualNodesEnabled;
}
/**
* Moves the layer to the given new position. No event is fired, but repaints
* according to the new Z-Order of the layers.
*
* @param layer The layer to move
* @param pos The new position of the layer
*/
public void moveLayer(Layer layer, int pos) {
int curLayerPos = layers.indexOf(layer);
if (curLayerPos == -1)
throw new IllegalArgumentException(tr("Layer not in list."));
if (pos == curLayerPos)
return; // already in place.
layers.remove(curLayerPos);
if (pos >= layers.size()) {
layers.add(layer);
} else {
layers.add(pos, layer);
}
setEditLayer(layers);
AudioPlayer.reset();
repaint();
}
public int getLayerPos(Layer layer) {
int curLayerPos = layers.indexOf(layer);
if (curLayerPos == -1)
throw new IllegalArgumentException(tr("Layer not in list."));
return curLayerPos;
}
/**
* Creates a list of the visible layers in Z-Order, the layer with the lowest Z-Order
* first, layer with the highest Z-Order last.
*
* @return a list of the visible in Z-Order, the layer with the lowest Z-Order
* first, layer with the highest Z-Order last.
*/
protected List<Layer> getVisibleLayersInZOrder() {
List<Layer> ret = new ArrayList<>();
for (Layer l: layers) {
if (l.isVisible()) {
ret.add(l);
}
}
// sort according to position in the list of layers, with one exception:
// an active data layer always becomes a higher Z-Order than all other
// data layers
//
Collections.sort(
ret,
new Comparator<Layer>() {
@Override public int compare(Layer l1, Layer l2) {
if (l1 instanceof OsmDataLayer && l2 instanceof OsmDataLayer) {
if (l1 == getActiveLayer()) return -1;
if (l2 == getActiveLayer()) return 1;
return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
} else
return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
}
}
);
Collections.reverse(ret);
return ret;
}
private void paintLayer(Layer layer, Graphics2D g, Bounds box) {
if (layer.getOpacity() < 1) {
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,(float)layer.getOpacity()));
}
layer.paint(g, this, box);
g.setPaintMode();
}
/**
* Draw the component.
*/
@Override public void paint(Graphics g) {
if (BugReportExceptionHandler.exceptionHandlingInProgress())
return;
if (center == null)
return; // no data loaded yet.
// if the position was remembered, we need to adjust center once before repainting
if (oldLoc != null && oldSize != null) {
Point l1 = getLocationOnScreen();
final EastNorth newCenter = new EastNorth(
center.getX()+ (l1.x-oldLoc.x - (oldSize.width-getWidth())/2.0)*getScale(),
center.getY()+ (oldLoc.y-l1.y + (oldSize.height-getHeight())/2.0)*getScale()
);
oldLoc = null; oldSize = null;
zoomTo(newCenter);
}
List<Layer> visibleLayers = getVisibleLayersInZOrder();
int nonChangedLayersCount = 0;
for (Layer l: visibleLayers) {
if (l.isChanged() || l == changedLayer) {
break;
} else {
nonChangedLayersCount++;
}
}
boolean canUseBuffer;
synchronized (this) {
canUseBuffer = !paintPreferencesChanged;
paintPreferencesChanged = false;
}
canUseBuffer = canUseBuffer && nonChangedLayers.size() <= nonChangedLayersCount &&
lastViewID == getViewID() && lastClipBounds.contains(g.getClipBounds());
if (canUseBuffer) {
for (int i=0; i<nonChangedLayers.size(); i++) {
if (visibleLayers.get(i) != nonChangedLayers.get(i)) {
canUseBuffer = false;
break;
}
}
}
if (null == offscreenBuffer || offscreenBuffer.getWidth() != getWidth() || offscreenBuffer.getHeight() != getHeight()) {
offscreenBuffer = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_3BYTE_BGR);
}
Graphics2D tempG = offscreenBuffer.createGraphics();
tempG.setClip(g.getClip());
Bounds box = getLatLonBounds(g.getClipBounds());
if (!canUseBuffer || nonChangedLayersBuffer == null) {
if (null == nonChangedLayersBuffer || nonChangedLayersBuffer.getWidth() != getWidth() || nonChangedLayersBuffer.getHeight() != getHeight()) {
nonChangedLayersBuffer = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_3BYTE_BGR);
}
Graphics2D g2 = nonChangedLayersBuffer.createGraphics();
g2.setClip(g.getClip());
g2.setColor(PaintColors.getBackgroundColor());
g2.fillRect(0, 0, getWidth(), getHeight());
for (int i=0; i<nonChangedLayersCount; i++) {
paintLayer(visibleLayers.get(i),g2, box);
}
} else {
// Maybe there were more unchanged layers then last time - draw them to buffer
if (nonChangedLayers.size() != nonChangedLayersCount) {
Graphics2D g2 = nonChangedLayersBuffer.createGraphics();
g2.setClip(g.getClip());
for (int i=nonChangedLayers.size(); i<nonChangedLayersCount; i++) {
paintLayer(visibleLayers.get(i),g2, box);
}
}
}
nonChangedLayers.clear();
changedLayer = null;
for (int i=0; i<nonChangedLayersCount; i++) {
nonChangedLayers.add(visibleLayers.get(i));
}
lastViewID = getViewID();
lastClipBounds = g.getClipBounds();
tempG.drawImage(nonChangedLayersBuffer, 0, 0, null);
for (int i=nonChangedLayersCount; i<visibleLayers.size(); i++) {
paintLayer(visibleLayers.get(i),tempG, box);
}
for (MapViewPaintable mvp : temporaryLayers) {
mvp.paint(tempG, this, box);
}
// draw world borders
tempG.setColor(Color.WHITE);
Bounds b = getProjection().getWorldBoundsLatLon();
double lat = b.getMinLat();
double lon = b.getMinLon();
Point p = getPoint(b.getMin());
GeneralPath path = new GeneralPath();
path.moveTo(p.x, p.y);
double max = b.getMax().lat();
for(; lat <= max; lat += 1.0)
{
p = getPoint(new LatLon(lat >= max ? max : lat, lon));
path.lineTo(p.x, p.y);
}
lat = max; max = b.getMax().lon();
for(; lon <= max; lon += 1.0)
{
p = getPoint(new LatLon(lat, lon >= max ? max : lon));
path.lineTo(p.x, p.y);
}
lon = max; max = b.getMinLat();
for(; lat >= max; lat -= 1.0)
{
p = getPoint(new LatLon(lat <= max ? max : lat, lon));
path.lineTo(p.x, p.y);
}
lat = max; max = b.getMinLon();
for(; lon >= max; lon -= 1.0)
{
p = getPoint(new LatLon(lat, lon <= max ? max : lon));
path.lineTo(p.x, p.y);
}
int w = getWidth();
int h = getHeight();
// Work around OpenJDK having problems when drawing out of bounds
final Area border = new Area(path);
// Make the viewport 1px larger in every direction to prevent an
// additional 1px border when zooming in
final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
border.intersect(viewport);
tempG.draw(border);
if (Main.isDisplayingMapView() && Main.map.filterDialog != null) {
Main.map.filterDialog.drawOSDText(tempG);
}
if (playHeadMarker != null) {
playHeadMarker.paint(tempG, this);
}
g.drawImage(offscreenBuffer, 0, 0, null);
super.paint(g);
}
/**
* Set the new dimension to the view.
*/
public void recalculateCenterScale(BoundingXYVisitor box) {
if (box == null) {
box = new BoundingXYVisitor();
}
if (box.getBounds() == null) {
box.visit(getProjection().getWorldBoundsLatLon());
}
if (!box.hasExtend()) {
box.enlargeBoundingBox();
}
zoomTo(box.getBounds());
}
/**
* @return An unmodifiable collection of all layers
*/
public Collection<Layer> getAllLayers() {
return Collections.unmodifiableCollection(new ArrayList<>(layers));
}
/**
* @return An unmodifiable ordered list of all layers
*/
public List<Layer> getAllLayersAsList() {
return Collections.unmodifiableList(new ArrayList<>(layers));
}
/**
* Replies an unmodifiable list of layers of a certain type.
*
* Example:
* <pre>
* List<WMSLayer> wmsLayers = getLayersOfType(WMSLayer.class);
* </pre>
*
* @return an unmodifiable list of layers of a certain type.
*/
public <T extends Layer> List<T> getLayersOfType(Class<T> ofType) {
return new ArrayList<>(Utils.filteredCollection(getAllLayers(), ofType));
}
/**
* Replies the number of layers managed by this mav view
*
* @return the number of layers managed by this mav view
*/
public int getNumLayers() {
return layers.size();
}
/**
* Replies true if there is at least one layer in this map view
*
* @return true if there is at least one layer in this map view
*/
public boolean hasLayers() {
return getNumLayers() > 0;
}
private void setEditLayer(List<Layer> layersList) {
OsmDataLayer newEditLayer = layersList.contains(editLayer)?editLayer:null;
OsmDataLayer oldEditLayer = editLayer;
// Find new edit layer
if (activeLayer != editLayer || !layersList.contains(editLayer)) {
if (activeLayer instanceof OsmDataLayer && layersList.contains(activeLayer)) {
newEditLayer = (OsmDataLayer) activeLayer;
} else {
for (Layer layer:layersList) {
if (layer instanceof OsmDataLayer) {
newEditLayer = (OsmDataLayer) layer;
break;
}
}
}
}
// Set new edit layer
if (newEditLayer != editLayer) {
if (newEditLayer == null) {
getCurrentDataSet().setSelected();
}
editLayer = newEditLayer;
fireEditLayerChanged(oldEditLayer, newEditLayer);
refreshTitle();
}
}
/**
* Sets the active layer to <code>layer</code>. If <code>layer</code> is an instance
* of {@link OsmDataLayer} also sets {@link #editLayer} to <code>layer</code>.
*
* @param layer the layer to be activate; must be one of the layers in the list of layers
* @exception IllegalArgumentException thrown if layer is not in the lis of layers
*/
public void setActiveLayer(Layer layer) {
setActiveLayer(layer, true);
}
private void setActiveLayer(Layer layer, boolean setEditLayer) {
if (layer != null && !layers.contains(layer))
throw new IllegalArgumentException(tr("Layer ''{0}'' must be in list of layers", layer.toString()));
if (layer == activeLayer)
return;
Layer old = activeLayer;
activeLayer = layer;
if (setEditLayer) {
setEditLayer(layers);
}
fireActiveLayerChanged(old, layer);
/* This only makes the buttons look disabled. Disabling the actions as well requires
* the user to re-select the tool after i.e. moving a layer. While testing I found
* that I switch layers and actions at the same time and it was annoying to mind the
* order. This way it works as visual clue for new users */
for (final AbstractButton b: Main.map.allMapModeButtons) {
MapMode mode = (MapMode)b.getAction();
if (mode.layerIsSupported(layer)) {
Main.registerActionShortcut(mode, mode.getShortcut()); //fix #6876
GuiHelper.runInEDTAndWait(new Runnable() {
@Override public void run() {
b.setEnabled(true);
}
});
} else {
Main.unregisterShortcut(mode.getShortcut());
GuiHelper.runInEDTAndWait(new Runnable() {
@Override public void run() {
b.setEnabled(false);
}
});
}
}
AudioPlayer.reset();
repaint();
}
/**
* Replies the currently active layer
*
* @return the currently active layer (may be null)
*/
public Layer getActiveLayer() {
return activeLayer;
}
/**
* Replies the current edit layer, if any
*
* @return the current edit layer. May be null.
*/
public OsmDataLayer getEditLayer() {
return editLayer;
}
/**
* replies true if the list of layers managed by this map view contain layer
*
* @param layer the layer
* @return true if the list of layers managed by this map view contain layer
*/
public boolean hasLayer(Layer layer) {
return layers.contains(layer);
}
/**
* Tries to zoom to the download boundingbox[es] of the current edit layer
* (aka {@link OsmDataLayer}). If the edit layer has multiple download bounding
* boxes it zooms to a large virtual bounding box containing all smaller ones.
*
* @return <code>true</code> if a zoom operation has been performed
*/
public boolean zoomToDataSetBoundingBox(DataSet ds) {
// In case we already have an existing data layer ...
OsmDataLayer layer= getEditLayer();
if (layer == null)
return false;
Collection<DataSource> dataSources = ds.dataSources;
// ... with bounding box[es] of data loaded from OSM or a file...
BoundingXYVisitor bbox = new BoundingXYVisitor();
for (DataSource source : dataSources) {
bbox.visit(source.bounds);
}
if (bbox.hasExtend()) {
// ... we zoom to it's bounding box
recalculateCenterScale(bbox);
return true;
}
return false;
}
public boolean addTemporaryLayer(MapViewPaintable mvp) {
if (temporaryLayers.contains(mvp)) return false;
return temporaryLayers.add(mvp);
}
public boolean removeTemporaryLayer(MapViewPaintable mvp) {
return temporaryLayers.remove(mvp);
}
@Override
public void propertyChange(PropertyChangeEvent evt) {
if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
repaint();
} else if (evt.getPropertyName().equals(Layer.OPACITY_PROP)) {
Layer l = (Layer)evt.getSource();
if (l.isVisible()) {
changedLayer = l;
repaint();
}
} else if (evt.getPropertyName().equals(OsmDataLayer.REQUIRES_SAVE_TO_DISK_PROP)
|| evt.getPropertyName().equals(OsmDataLayer.REQUIRES_UPLOAD_TO_SERVER_PROP)) {
OsmDataLayer layer = (OsmDataLayer)evt.getSource();
if (layer == getEditLayer()) {
refreshTitle();
}
}
}
protected void refreshTitle() {
boolean dirty = editLayer != null && (editLayer.requiresSaveToFile() || (editLayer.requiresUploadToServer() && !editLayer.isUploadDiscouraged()));
if (dirty) {
JOptionPane.getFrameForComponent(Main.parent).setTitle("* " + tr("Java OpenStreetMap Editor"));
} else {
JOptionPane.getFrameForComponent(Main.parent).setTitle(tr("Java OpenStreetMap Editor"));
}
}
@Override
public void preferenceChanged(PreferenceChangeEvent e) {
synchronized (this) {
paintPreferencesChanged = true;
}
}
private SelectionChangedListener repaintSelectionChangedListener = new SelectionChangedListener(){
@Override public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
repaint();
}
};
public void destroy() {
Main.pref.removePreferenceChangeListener(this);
DataSet.removeSelectionListener(repaintSelectionChangedListener);
MultipolygonCache.getInstance().clear(this);
if (mapMover != null) {
mapMover.destroy();
}
activeLayer = null;
changedLayer = null;
editLayer = null;
layers.clear();
nonChangedLayers.clear();
temporaryLayers.clear();
}
@Override
public void uploadDiscouragedChanged(OsmDataLayer layer, boolean newValue) {
if (layer == getEditLayer()) {
refreshTitle();
}
}
/**
* Get a string representation of all layers suitable for the {@code source} changeset tag.
*/
public String getLayerInformationForSourceTag() {
final Collection<String> layerInfo = new ArrayList<>();
if (!getLayersOfType(GpxLayer.class).isEmpty()) {
// no i18n for international values
layerInfo.add("survey");
}
for (final GeoImageLayer i : getLayersOfType(GeoImageLayer.class)) {
layerInfo.add(i.getName());
}
for (final ImageryLayer i : getLayersOfType(ImageryLayer.class)) {
layerInfo.add(ImageryInfo.ImageryType.BING.equals(i.getInfo().getImageryType()) ? "Bing" : i.getName());
}
return Utils.join("; ", layerInfo);
}
}