Changeset 26034 in osm for applications/editors/josm/plugins/ElevationProfile/src

Timestamp:

2011-05-22T20:33:33+02:00 (14 years ago)

Author:

jttt

Message:

Cleanup listeners, set activeLayer so it doesn't need to be recalculated every time

Location:

applications/editors/josm/plugins/ElevationProfile/src/org/openstreetmap/josm/plugins/elevation

Files:

• ElevationProfilePlugin.java (modified) (1 diff)
• gui/ElevationProfileDialog.java (modified) (8 diffs)

applications/editors/josm/plugins/ElevationProfile/src/org/openstreetmap/josm/plugins/elevation/ElevationProfilePlugin.java

@@ -70 +70 @@
                 if(Main.map != null){
                         Main.map.toolGroup.add(eleModeButton);
-
-                        Main.map.mapView.addPropertyChangeListener(eleProfileDlg);
-                        MapView.addLayerChangeListener(eleProfileDlg);
                         eleProfileDlg.setProfileLayer(getCurrentLayer());
                 }

applications/editors/josm/plugins/ElevationProfile/src/org/openstreetmap/josm/plugins/elevation/gui/ElevationProfileDialog.java

@@ -24 +24 @@
 import java.awt.event.ComponentEvent;
 import java.awt.event.ComponentListener;
-import java.beans.PropertyChangeEvent;
-import java.beans.PropertyChangeListener;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -36 +34 @@
 import javax.swing.JTextField;
 
+import org.openstreetmap.josm.Main;
 import org.openstreetmap.josm.data.gpx.GpxData;
+import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
 import org.openstreetmap.josm.gui.MapView;
 import org.openstreetmap.josm.gui.NavigatableComponent;
-import org.openstreetmap.josm.gui.MapView.EditLayerChangeListener;
-import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
 import org.openstreetmap.josm.gui.dialogs.ToggleDialog;
 import org.openstreetmap.josm.gui.layer.GpxLayer;
 import org.openstreetmap.josm.gui.layer.Layer;
-import org.openstreetmap.josm.gui.layer.OsmDataLayer;
 import org.openstreetmap.josm.plugins.elevation.ElevationModel;
 import org.openstreetmap.josm.plugins.elevation.GeoidCorrectionKind;
@@ -56 +53 @@
  * connection between layer and elevation profile. 
  */
-public class ElevationProfileDialog extends ToggleDialog implements
-                PropertyChangeListener, LayerChangeListener, EditLayerChangeListener,
-                ComponentListener {
+public class ElevationProfileDialog extends ToggleDialog implements LayerChangeListener, ComponentListener {
 
         private static final String EMPTY_DATA_STRING = "-";
@@ -235 +230 @@
                 dock();
         }
+        
+        @Override
+        public void showNotify() {
+                MapView.addLayerChangeListener(this);
+                if (Main.isDisplayingMapView()) {
+                        Layer layer = Main.map.mapView.getActiveLayer();
+                        if (layer instanceof GpxLayer) {
+                                setActiveLayer((GpxLayer) layer);
+                        }
+                }
+        }
+        
+        @Override
+        public void hideNotify() {
+                MapView.removeLayerChangeListener(this);
+        }
 
         /**
@@ -361 +372 @@
         }
 
-        /*
-         * (non-Javadoc)
-         * 
-         * @seejava.beans.PropertyChangeListener#propertyChange(java.beans.
-         * PropertyChangeEvent)
-         */
-
-        /*
-         * WORKAROUND: The layer list dialog does not notify any listener when the
-         * selection of the list changes. So the user has to toggle the visibility
-         * of the layer to update the elevation profile.
-         */
-        public void propertyChange(PropertyChangeEvent event) {
-                Object src = event.getSource();
-                if (src instanceof MapView) {
-                        MapView mapView = (MapView) src;
-                        Layer l = mapView.getActiveLayer();
-                        if (l instanceof GpxLayer) {
-                                setActiveLayer((GpxLayer) l);
-                        }
-                } else if (src instanceof GpxLayer) {
-                        GpxLayer gpxLayer = (GpxLayer) src;
-                        setActiveLayer(gpxLayer);
-                }
-        }
-
         /* (non-Javadoc)
          * @see org.openstreetmap.josm.gui.MapView.LayerChangeListener#activeLayerChange(org.openstreetmap.josm.gui.layer.Layer, org.openstreetmap.josm.gui.layer.Layer)
@@ -396 +381 @@
         }
 
-        /**
-         * Internal helper to create elevation data for a new layer.
-         * @param newLayer The layer added by the user.
-         */
-        private void createLayer(Layer newLayer) {
-                if (newLayer != null) {
-                        if (newLayer instanceof GpxLayer) {
-                                newLayer.addPropertyChangeListener(this);
-                                GpxLayer gpxLayer = (GpxLayer) newLayer;
-                                setActiveLayer(gpxLayer);
-                        }
-                }
-        }
-
-        /**
-         * Internal helper to update internal cache and synchronize elevation model.
-         * @param newLayer The layer added by the user.
-         */
         private void setActiveLayer(GpxLayer newLayer) {
                 if (activeLayer != newLayer) {
+                        activeLayer = newLayer;
                         int slices = 250;
                         if (profPanel != null && profPanel.getPlotArea().width > 0) {
@@ -438 +406 @@
          */
         public void layerAdded(Layer newLayer) {
-                createLayer(newLayer);
+                if (newLayer instanceof GpxLayer) {
+                        GpxLayer gpxLayer = (GpxLayer) newLayer;
+                        setActiveLayer(gpxLayer);
+                }
         }
 
@@ -452 +423 @@
                         profileLayer.setProfile(null);
                 }
-        }
-
-        /* (non-Javadoc)
-         * @see org.openstreetmap.josm.gui.MapView.EditLayerChangeListener#editLayerChanged(org.openstreetmap.josm.gui.layer.OsmDataLayer, org.openstreetmap.josm.gui.layer.OsmDataLayer)
-         */
-        public void editLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
-                // Nothing to do...
         }