Changeset 17 in josm for src/org/openstreetmap/josm/data/Preferences.java

Timestamp:

2005-10-09T04:14:40+02:00 (19 years ago)

Author:

imi

Message:

• added Layer support
• added support for raw GPS data
• fixed tooltips
• added options for loading gpx files

File:

• src/org/openstreetmap/josm/data/Preferences.java (modified) (8 diffs)

src/org/openstreetmap/josm/data/Preferences.java

@@ -1 +1 @@
 package org.openstreetmap.josm.data;
 
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
 import java.io.File;
 import java.io.FileReader;
@@ -38 +40 @@
 
 
+        /**
+         * Whether lines should be drawn between track points of raw gps data.
+         */
+        private boolean drawRawGpsLines = false;
         /**
          * Whether nodes on the same place should be considered identical.
@@ -100 +106 @@
 
                         mergeNodes = root.getChild("mergeNodes") != null;
+                        drawRawGpsLines = root.getChild("drawRawGpsLines") != null;
                 } catch (Exception e) {
                         if (e instanceof PreferencesException)
@@ -120 +127 @@
                 if (mergeNodes)
                         children.add(new Element("mergeNodes"));
+                if (drawRawGpsLines)
+                        children.add(new Element("drawRawGpsLines"));
 
                 try {
@@ -134 +143 @@
         
         /**
-         * This interface notifies any interested about changes in the projection
-         * @author imi
-         */
-        public interface ProjectionChangeListener {
-                void projectionChanged(Projection oldProjection, Projection newProjection);
-        }
-        /**
          * The list of all listeners to projection changes.
          */
-        private Collection<ProjectionChangeListener> listener = new LinkedList<ProjectionChangeListener>();
+        private Collection<PropertyChangeListener> listener = new LinkedList<PropertyChangeListener>();
         /**
          * Add a listener of projection changes to the list of listeners.
          * @param listener The listerner to add.
          */
-        public void addProjectionChangeListener(ProjectionChangeListener listener) {
+        public void addPropertyChangeListener(PropertyChangeListener listener) {
                 if (listener != null)
                         this.listener.add(listener);
@@ -155 +157 @@
          * Remove the listener from the list.
          */
-        public void removeProjectionChangeListener(ProjectionChangeListener listener) {
+        public void removePropertyChangeListener(PropertyChangeListener listener) {
                 this.listener.remove(listener);
         }
+        /**
+         * Fires a PropertyChangeEvent if the old value differs from the new value.
+         */
+        private <T> void firePropertyChanged(String name, T oldValue, T newValue) {
+                if (oldValue == newValue)
+                        return;
+                PropertyChangeEvent evt = null;
+                for (PropertyChangeListener l : listener) {
+                        if (evt == null)
+                                evt = new PropertyChangeEvent(this, name, oldValue, newValue);
+                        l.propertyChange(evt);
+                }
+        }
+
+        // getter / setter
+        
         /**
          * Set the projection and fire an event to all ProjectionChangeListener
@@ -165 +183 @@
                 Projection old = this.projection;
                 this.projection = projection;
-                if (old != projection)
-                        for (ProjectionChangeListener l : listener)
-                                l.projectionChanged(old, projection);
+                firePropertyChanged("projection", old, projection);
         }
         /**
@@ -176 +192 @@
                 return projection;
         }
+        public void setDrawRawGpsLines(boolean drawRawGpsLines) {
+                boolean old = this.drawRawGpsLines;
+                this.drawRawGpsLines = drawRawGpsLines;
+                firePropertyChanged("drawRawGpsLines", old, drawRawGpsLines);
+        }
+        public boolean isDrawRawGpsLines() {
+                return drawRawGpsLines;
+        }
 }