Version 3, August 2007

[GpsPrune.git] / tim / prune / data / Photo.java

diff --git a/tim/prune/data/Photo.java b/tim/prune/data/Photo.java
index 52743f7a34659d40bd6aebb46b85759b0b524902..3646cb5201ba706d3d2aae30fa021d8407a41adf 100644 (file)
--- a/tim/prune/data/Photo.java
+++ b/tim/prune/data/Photo.java
@@ -1,7 +1,10 @@
 package tim.prune.data;
 
+import java.awt.Dimension;
 import java.io.File;
 
+import javax.swing.ImageIcon;
+
 /**
  * Class to represent a photo and link to DataPoint
  */
@@ -9,8 +12,18 @@ public class Photo
 {
        /** File where photo is stored */
        private File _file = null;
+       /** Timestamp, if any */
+       private Timestamp _timestamp = null;
        /** Associated DataPoint if correlated */
        private DataPoint _dataPoint = null;
+       /** Size of original image */
+       private Dimension _size = null;
+       /** Status of photo when loaded */
+       private byte _originalStatus = PhotoStatus.NOT_CONNECTED;
+       /** Current photo status */
+       private byte _currentStatus = PhotoStatus.NOT_CONNECTED;
+       // TODO: Need to store caption for image?
+       // TODO: Need to store thumbnail for image?
 
 
        /**
@@ -20,7 +33,6 @@ public class Photo
        public Photo(File inFile)
        {
                _file = inFile;
-               // TODO: Cache photo file contents to allow thumbnail preview
        }
 
 
@@ -40,6 +52,15 @@ public class Photo
        public void setDataPoint(DataPoint inPoint)
        {
                _dataPoint = inPoint;
+               // set status according to point
+               if (inPoint == null)
+               {
+                       setCurrentStatus(PhotoStatus.NOT_CONNECTED);
+               }
+               else
+               {
+                       setCurrentStatus(PhotoStatus.CONNECTED);
+               }
        }
 
        /**
@@ -50,6 +71,116 @@ public class Photo
                return _dataPoint;
        }
 
+       /**
+        * @param inTimestamp Timestamp of photo
+        */
+       public void setTimestamp(Timestamp inTimestamp)
+       {
+               _timestamp = inTimestamp;
+       }
+
+       /**
+        * @return timestamp of photo
+        */
+       public Timestamp getTimestamp()
+       {
+               return _timestamp;
+       }
+
+       /**
+        * Calculate the size of the image (slow)
+        */
+       private void calculateSize()
+       {
+               ImageIcon icon = new ImageIcon(_file.getAbsolutePath());
+               int width = icon.getIconWidth();
+               int height = icon.getIconHeight();
+               if (width > 0 && height > 0)
+               {
+                       _size = new Dimension(width, height);
+               }
+       }
+
+       /**
+        * @return size of image as Dimension object
+        */
+       public Dimension getSize()
+       {
+               if (_size == null)
+               {
+                       calculateSize();
+               }
+               return _size;
+       }
+
+       /**
+        * @return width of the image, if known
+        */
+       public int getWidth()
+       {
+               if (_size == null)
+               {
+                       calculateSize();
+                       if (_size == null) {return -1;}
+               }
+               return _size.width;
+       }
+
+       /**
+        * @return height of the image, if known
+        */
+       public int getHeight()
+       {
+               if (_size == null)
+               {
+                       calculateSize();
+                       if (_size == null) {return -1;}
+               }
+               return _size.height;
+       }
+
+       /**
+        * @param inStatus status of photo when loaded
+        */
+       public void setOriginalStatus(byte inStatus)
+       {
+               _originalStatus = inStatus;
+               _currentStatus = inStatus;
+       }
+
+       /**
+        * @return status of photo when it was loaded
+        */
+       public byte getOriginalStatus()
+       {
+               return _originalStatus;
+       }
+
+       /**
+        * @return current status of photo
+        */
+       public byte getCurrentStatus()
+       {
+               return _currentStatus;
+       }
+       /**
+        * @param inStatus current status of photo
+        */
+       public void setCurrentStatus(byte inStatus)
+       {
+               _currentStatus = inStatus;
+       }
+
+
+       /**
+        * Delete the cached data when the Photo is no longer needed
+        */
+       public void resetCachedData()
+       {
+               _size = null;
+               // remove thumbnail too
+       }
+
        /**
         * Check if a Photo object refers to the same File as another
         * @param inOther other Photo object