layers = new ArrayList<>();
/**
* This lock manages concurrent access to {@link #layers},
* {@link #editLayer} and {@link #activeLayer}.
*
* The read lock is always held while those fields are read or while layer change listeners are fired.
*/
//private final ReentrantReadWriteLock layerLock = new ReentrantReadWriteLock();
/**
* The play head marker: there is only one of these so it isn't in any specific layer
*/
public transient PlayHeadMarker playHeadMarker = null;
/**
* The layer from the layers list that is currently active. Locked by {@link #layerLock}.
*/
private transient Layer activeLayer;
/**
* The edit layer is the current active data layer. Locked by {@link #layerLock}.
*/
private transient 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
/**
* Temporary layers (selection rectangle, etc.) that are never cached and
* drawn on top of regular layers.
* Access must be synchronized.
*/
private final transient Set temporaryLayers = new LinkedHashSet<>();
private transient BufferedImage nonChangedLayersBuffer;
private transient BufferedImage offscreenBuffer;
// Layers that wasn't changed since last paint
private final transient List nonChangedLayers = new ArrayList<>();
private transient Layer changedLayer;
private int lastViewID;
private boolean paintPreferencesChanged = true;
private Rectangle lastClipBounds = new Rectangle();
private transient 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) {
initialViewport = viewportData;
Main.pref.addPreferenceChangeListener(this);
addComponentListener(new ComponentAdapter() {
@Override public void componentResized(ComponentEvent e) {
removeComponentListener(this);
for (JComponent c : getMapNavigationComponents(MapView.this)) {
MapView.this.add(c);
}
mapMover = new MapMover(MapView.this, contentPane);
}
});
// 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);
}
}
/**
* Adds the map navigation components to a
* @param forMapView The map view to get the components for.
* @return A list containing the correctly positioned map navigation components.
*/
public static List getMapNavigationComponents(MapView forMapView) {
MapSlider zoomSlider = new MapSlider(forMapView);
zoomSlider.setBounds(3, 0, 114, 30);
zoomSlider.setFocusTraversalKeysEnabled(Shortcut.findShortcut(KeyEvent.VK_TAB, 0) == null);
MapScaler scaler = new MapScaler(forMapView);
scaler.setLocation(10, 30);
return Arrays.asList(zoomSlider, scaler);
}
// 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.
*
* Does not call {@link #fireLayerAdded(Layer)}.
*
* @param layer the GPX layer
*/
protected void addGpxLayer(GpxLayer layer) {
synchronized (layers) {
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) {
boolean isOsmDataLayer = layer instanceof OsmDataLayer;
EnumSet listenersToFire = EnumSet.noneOf(LayerListenerType.class);
Layer oldActiveLayer = activeLayer;
OsmDataLayer oldEditLayer = editLayer;
synchronized (layers) {
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);
}
if (isOsmDataLayer || oldActiveLayer == null) {
// autoselect the new layer
listenersToFire.addAll(setActiveLayer(layer, true));
}
if (isOsmDataLayer) {
((OsmDataLayer) layer).addLayerStateChangeListener(this);
}
layer.addPropertyChangeListener(this);
Main.addProjectionChangeListener(layer);
AudioPlayer.reset();
}
fireLayerAdded(layer);
onActiveEditLayerChanged(oldActiveLayer, oldEditLayer, listenersToFire);
if (!listenersToFire.isEmpty()) {
repaint();
}
}
@Override
protected DataSet getCurrentDataSet() {
synchronized (layers) {
if (editLayer != null)
return editLayer.data;
else
return null;
}
}
/**
* Replies true if the active data layer (edit layer) is drawable.
*
* @return true if the active data layer (edit layer) is drawable, false otherwise
*/
public boolean isActiveLayerDrawable() {
synchronized (layers) {
return editLayer != null;
}
}
/**
* Replies true if the active data layer (edit layer) is visible.
*
* @return true if the active data layer (edit layer) is visible, false otherwise
*/
public boolean isActiveLayerVisible() {
synchronized (layers) {
return isActiveLayerDrawable() && editLayer.isVisible();
}
}
/**
* Determines the next active data layer according to the following
* rules:
*
* - if there is at least one {@link OsmDataLayer} the first one
* becomes active
* - otherwise, the top most layer of any type becomes active
*
*
* @return the next active data layer
*/
protected Layer determineNextActiveLayer(List 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) {
EnumSet listenersToFire = EnumSet.noneOf(LayerListenerType.class);
Layer oldActiveLayer = activeLayer;
OsmDataLayer oldEditLayer = editLayer;
synchronized (layers) {
List layersList = new ArrayList<>(layers);
if (!layersList.remove(layer))
return;
listenersToFire = setEditLayer(layersList);
if (layer == activeLayer) {
listenersToFire.addAll(setActiveLayer(determineNextActiveLayer(layersList), false));
}
if (layer instanceof OsmDataLayer) {
((OsmDataLayer) layer).removeLayerPropertyChangeListener(this);
}
layers.remove(layer);
Main.removeProjectionChangeListener(layer);
layer.removePropertyChangeListener(this);
layer.destroy();
AudioPlayer.reset();
}
onActiveEditLayerChanged(oldActiveLayer, oldEditLayer, listenersToFire);
fireLayerRemoved(layer);
repaint();
}
private void onEditLayerChanged(OsmDataLayer oldEditLayer) {
fireEditLayerChanged(oldEditLayer, editLayer);
refreshTitle();
}
private boolean virtualNodesEnabled = false;
public void setVirtualNodesEnabled(boolean enabled) {
if (virtualNodesEnabled != enabled) {
virtualNodesEnabled = enabled;
repaint();
}
}
/**
* Checks if virtual nodes should be drawn. Default is false
* @return The virtual nodes property.
* @see Rendering#render(DataSet, boolean, Bounds)
*/
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) {
EnumSet listenersToFire;
Layer oldActiveLayer = activeLayer;
OsmDataLayer oldEditLayer = editLayer;
synchronized (layers) {
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);
}
listenersToFire = setEditLayer(layers);
AudioPlayer.reset();
}
onActiveEditLayerChanged(oldActiveLayer, oldEditLayer, listenersToFire);
repaint();
}
/**
* Gets the index of the layer in the layer list.
* @param layer The layer to search for.
* @return The index in the list.
* @throws IllegalArgumentException if that layer does not belong to this view.
*/
public int getLayerPos(Layer layer) {
int curLayerPos;
synchronized (layers) {
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.
*
* The active data layer is pulled above all adjacent data layers.
*
* @return a list of the visible in Z-Order, the layer with the lowest Z-Order
* first, layer with the highest Z-Order last.
*/
public List getVisibleLayersInZOrder() {
synchronized (layers) {
List ret = new ArrayList<>();
// This is set while we delay the addition of the active layer.
boolean activeLayerDelayed = false;
for (ListIterator iterator = layers.listIterator(layers.size()); iterator.hasPrevious();) {
Layer l = iterator.previous();
if (!l.isVisible()) {
// ignored
} else if (l == activeLayer && l instanceof OsmDataLayer) {
// delay and add after the current block of OsmDataLayer
activeLayerDelayed = true;
} else {
if (activeLayerDelayed && !(l instanceof OsmDataLayer)) {
// add active layer before the current one.
ret.add(activeLayer);
activeLayerDelayed = false;
}
// Add this layer now
ret.add(l);
}
}
if (activeLayerDelayed) {
ret.add(activeLayer);
}
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 (!prepareToDraw()) {
return;
}
List 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);
}
synchronized (temporaryLayers) {
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);
}
/**
* Sets up the viewport to prepare for drawing the view.
* @return true if the view can be drawn, false otherwise.
*/
public boolean prepareToDraw() {
if (initialViewport != null) {
zoomTo(initialViewport);
initialViewport = null;
}
if (BugReportExceptionHandler.exceptionHandlingInProgress())
return false;
if (getCenter() == null)
return false; // 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(
getCenter().getX()+ (l1.x-oldLoc.x - (oldSize.width-getWidth())/2.0)*getScale(),
getCenter().getY()+ (oldLoc.y-l1.y + (oldSize.height-getHeight())/2.0)*getScale()
);
oldLoc = null; oldSize = null;
zoomTo(newCenter);
}
return true;
}
/**
* @return An unmodifiable collection of all layers
*/
public Collection getAllLayers() {
synchronized (layers) {
return Collections.unmodifiableCollection(new ArrayList<>(layers));
}
}
/**
* @return An unmodifiable ordered list of all layers
*/
public List getAllLayersAsList() {
synchronized (layers) {
return Collections.unmodifiableList(new ArrayList<>(layers));
}
}
/**
* Replies an unmodifiable list of layers of a certain type.
*
* Example:
*
* List<WMSLayer> wmsLayers = getLayersOfType(WMSLayer.class);
*
*
* @param ofType The layer type.
* @return an unmodifiable list of layers of a certain type.
*/
public List getLayersOfType(Class ofType) {
return new ArrayList<>(Utils.filteredCollection(getAllLayers(), ofType));
}
/**
* Replies the number of layers managed by this map view
*
* @return the number of layers managed by this map view
*/
public int getNumLayers() {
synchronized (layers) {
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;
}
/**
* Sets the active edit layer.
*
* You must own a write {@link #layerLock} when calling this method.
* @param layersList A list to select that layer from.
* @return A list of change listeners that should be fired using {@link #onActiveEditLayerChanged(Layer, OsmDataLayer, EnumSet)}
*/
private EnumSet setEditLayer(List layersList) {
final OsmDataLayer newEditLayer = findNewEditLayer(layersList);
// Set new edit layer
if (newEditLayer != editLayer) {
if (newEditLayer == null) {
// Note: Unsafe to call while layer write lock is held.
getCurrentDataSet().setSelected();
}
editLayer = newEditLayer;
return EnumSet.of(LayerListenerType.EDIT_LAYER_CHANGE);
} else {
return EnumSet.noneOf(LayerListenerType.class);
}
}
private OsmDataLayer findNewEditLayer(List layersList) {
OsmDataLayer newEditLayer = layersList.contains(editLayer) ? editLayer : null;
// 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;
}
}
}
}
return newEditLayer;
}
/**
* Sets the active layer to layer. If layer is an instance
* of {@link OsmDataLayer} also sets {@link #editLayer} to layer.
*
* @param layer the layer to be activate; must be one of the layers in the list of layers
* @throws IllegalArgumentException if layer is not in the lis of layers
*/
public void setActiveLayer(Layer layer) {
EnumSet listenersToFire;
Layer oldActiveLayer;
OsmDataLayer oldEditLayer;
synchronized (layers) {
oldActiveLayer = activeLayer;
oldEditLayer = editLayer;
listenersToFire = setActiveLayer(layer, true);
}
onActiveEditLayerChanged(oldActiveLayer, oldEditLayer, listenersToFire);
repaint();
}
/**
* Sets the active layer. Propagates this change to all map buttons.
* @param layer The layer to be active.
* @param setEditLayer if this is true, the edit layer is also set.
* @return A list of change listeners that should be fired using {@link #onActiveEditLayerChanged(Layer, OsmDataLayer, EnumSet)}
*/
private EnumSet setActiveLayer(final 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 EnumSet.noneOf(LayerListenerType.class);
activeLayer = layer;
EnumSet listenersToFire = EnumSet.of(LayerListenerType.ACTIVE_LAYER_CHANGE);
if (setEditLayer) {
listenersToFire.addAll(setEditLayer(layers));
}
return listenersToFire;
}
/**
* Replies the currently active layer
*
* @return the currently active layer (may be null)
*/
public Layer getActiveLayer() {
synchronized (layers) {
return activeLayer;
}
}
private enum LayerListenerType {
ACTIVE_LAYER_CHANGE,
EDIT_LAYER_CHANGE
}
/**
* This is called whenever one of active layer/edit layer or both may have been changed,
* @param oldActive The old active layer
* @param oldEdit The old edit layer.
* @param listenersToFire A mask of listeners to fire using {@link LayerListenerType}s
*/
private void onActiveEditLayerChanged(final Layer oldActive, final OsmDataLayer oldEdit, EnumSet listenersToFire) {
if (listenersToFire.contains(LayerListenerType.EDIT_LAYER_CHANGE)) {
onEditLayerChanged(oldEdit);
}
if (listenersToFire.contains(LayerListenerType.ACTIVE_LAYER_CHANGE)) {
onActiveLayerChanged(oldActive);
}
}
private void onActiveLayerChanged(final Layer old) {
fireActiveLayerChanged(old, activeLayer);
/* 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();
final boolean activeLayerSupported = mode.layerIsSupported(activeLayer);
if (activeLayerSupported) {
Main.registerActionShortcut(mode, mode.getShortcut()); //fix #6876
} else {
Main.unregisterShortcut(mode.getShortcut());
}
GuiHelper.runInEDTAndWait(new Runnable() {
@Override public void run() {
b.setEnabled(activeLayerSupported);
}
});
}
AudioPlayer.reset();
repaint();
}
/**
* Replies the current edit layer, if any
*
* @return the current edit layer. May be null.
*/
public OsmDataLayer getEditLayer() {
synchronized (layers) {
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) {
synchronized (layers) {
return layers.contains(layer);
}
}
/**
* Adds a new temporary layer.
*
* A temporary layer is a layer that is painted above all normal layers. Layers are painted in the order they are added.
*
* @param mvp The layer to paint.
* @return true if the layer was added.
*/
public boolean addTemporaryLayer(MapViewPaintable mvp) {
synchronized (temporaryLayers) {
return temporaryLayers.add(mvp);
}
}
/**
* Removes a layer previously added as temporary layer.
* @param mvp The layer to remove.
* @return true if that layer was removed.
*/
public boolean removeTemporaryLayer(MapViewPaintable mvp) {
synchronized (temporaryLayers) {
return temporaryLayers.remove(mvp);
}
}
/**
* Gets a list of temporary layers.
* @return The layers in the order they are added.
*/
public List getTemporaryLayers() {
synchronized (temporaryLayers) {
return Collections.unmodifiableList(new ArrayList<>(temporaryLayers));
}
}
@Override
public void propertyChange(PropertyChangeEvent evt) {
if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
repaint();
} else if (evt.getPropertyName().equals(Layer.OPACITY_PROP) ||
evt.getPropertyName().equals(Layer.FILTER_STATE_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();
}
}
}
/**
* Sets the title of the JOSM main window, adding a star if there are dirty layers.
* @see Main#parent
*/
protected void refreshTitle() {
if (Main.parent != null) {
synchronized (layers) {
boolean dirty = editLayer != null &&
(editLayer.requiresSaveToFile() || (editLayer.requiresUploadToServer() && !editLayer.isUploadDiscouraged()));
((JFrame) Main.parent).setTitle((dirty ? "* " : "") + tr("Java OpenStreetMap Editor"));
((JFrame) Main.parent).getRootPane().putClientProperty("Window.documentModified", dirty);
}
}
}
@Override
public void preferenceChanged(PreferenceChangeEvent e) {
synchronized (this) {
paintPreferencesChanged = true;
}
}
private transient SelectionChangedListener repaintSelectionChangedListener = new SelectionChangedListener() {
@Override
public void selectionChanged(Collection newSelection) {
repaint();
}
};
public void destroy() {
Main.pref.removePreferenceChangeListener(this);
DataSet.removeSelectionListener(repaintSelectionChangedListener);
MultipolygonCache.getInstance().clear(this);
if (mapMover != null) {
mapMover.destroy();
}
synchronized (layers) {
activeLayer = null;
changedLayer = null;
editLayer = null;
layers.clear();
nonChangedLayers.clear();
}
synchronized (temporaryLayers) {
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.
* @return A String of sources separated by ';'
*/
public String getLayerInformationForSourceTag() {
final Collection 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);
}
/**
* This is a listener that gets informed whenever repaint is called for this MapView.
*
* This is the only safe method to find changes to the map view, since many components call MapView.repaint() directly.
* @author Michael Zangl
*/
public interface RepaintListener {
/**
* Called when any repaint method is called (using default arguments if required).
* @param tm see {@link JComponent#repaint(long, int, int, int, int)}
* @param x see {@link JComponent#repaint(long, int, int, int, int)}
* @param y see {@link JComponent#repaint(long, int, int, int, int)}
* @param width see {@link JComponent#repaint(long, int, int, int, int)}
* @param height see {@link JComponent#repaint(long, int, int, int, int)}
*/
void repaint(long tm, int x, int y, int width, int height);
}
private final CopyOnWriteArrayList repaintListeners = new CopyOnWriteArrayList<>();
/**
* Adds a listener that gets informed whenever repaint() is called for this class.
* @param l The listener.
*/
public void addRepaintListener(RepaintListener l) {
repaintListeners.add(l);
}
/**
* Removes a registered repaint listener.
* @param l The listener.
*/
public void removeRepaintListener(RepaintListener l) {
repaintListeners.remove(l);
}
@Override
public void repaint(long tm, int x, int y, int width, int height) {
// This is the main repaint method, all other methods are convenience methods and simply call this method.
// This is just an observation, not a must, but seems to be true for all implementations I found so far.
if (repaintListeners != null) {
// Might get called early in super constructor
for (RepaintListener l : repaintListeners) {
l.repaint(tm, x, y, width, height);
}
}
super.repaint(tm, x, y, width, height);
}
}