X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fundo%2FUndoConnectMedia.java;fp=src%2Ftim%2Fprune%2Fundo%2FUndoConnectMedia.java;h=d7feb633de6b11a30beb7b730b62ca09db9042ea;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/undo/UndoConnectMedia.java b/src/tim/prune/undo/UndoConnectMedia.java
new file mode 100644
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+++ b/src/tim/prune/undo/UndoConnectMedia.java
@@ -0,0 +1,75 @@
+package tim.prune.undo;
+
+import tim.prune.I18nManager;
+import tim.prune.UpdateMessageBroker;
+import tim.prune.data.AudioClip;
+import tim.prune.data.DataPoint;
+import tim.prune.data.Photo;
+import tim.prune.data.TrackInfo;
+
+/**
+ * Operation to undo the connection of a photo and/or audio to a point
+ */
+public class UndoConnectMedia implements UndoOperation
+{
+	private DataPoint _point = null;
+	private String _photoFilename = null;
+	private String _audioFilename = null;
+
+
+	/**
+	 * Constructor
+	 * @param inPoint data point
+	 * @param inPhotoFilename filename of photo, or null if photo not connected
+	 * @param inAudioFilename filename of audio, or null of audio not connected
+	 */
+	public UndoConnectMedia(DataPoint inPoint, String inPhotoFilename, String inAudioFilename)
+	{
+		_point = inPoint;
+		_photoFilename = inPhotoFilename;
+		_audioFilename = inAudioFilename;
+	}
+
+
+	/**
+	 * @return description of operation including photo and/or audio filename(s)
+	 */
+	public String getDescription()
+	{
+		String desc = I18nManager.getText("undo.connect") + " " + (_photoFilename==null?"":_photoFilename)
+		 + (_photoFilename!=null && _audioFilename!=null?", ":"")
+		 + (_audioFilename==null?"":_audioFilename);
+		return desc;
+	}
+
+
+	/**
+	 * Perform the undo operation on the given Track
+	 * @param inTrackInfo TrackInfo object on which to perform the operation
+	 */
+	public void performUndo(TrackInfo inTrackInfo) throws UndoException
+	{
+		if (_photoFilename != null)
+		{
+			// Disconnect photo
+			Photo photo = _point.getPhoto();
+			if (photo != null)
+			{
+				_point.setPhoto(null);
+				photo.setDataPoint(null);
+			}
+		}
+		if (_audioFilename != null)
+		{
+			// Disconnect audio
+			AudioClip audio = _point.getAudio();
+			if (audio != null)
+			{
+				_point.setAudio(null);
+				audio.setDataPoint(null);
+			}
+		}
+		// inform subscribers
+		UpdateMessageBroker.informSubscribers();
+	}
+}
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