X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fload%2Fbabel%2FFilterDefinition.java;fp=src%2Ftim%2Fprune%2Fload%2Fbabel%2FFilterDefinition.java;h=84179080379c4cf1cfa833db3bf4ccf0a820fcb3;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/load/babel/FilterDefinition.java b/src/tim/prune/load/babel/FilterDefinition.java
new file mode 100644
index 0000000..8417908
--- /dev/null
+++ b/src/tim/prune/load/babel/FilterDefinition.java
@@ -0,0 +1,59 @@
+package tim.prune.load.babel;
+
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.KeyListener;
+
+import javax.swing.JPanel;
+import javax.swing.SwingUtilities;
+
+/**
+ * Superclass of all the filter definition panels, to be added in the cardset
+ * of the AddFilterDialog
+ */
+public abstract class FilterDefinition extends JPanel
+{
+	/** Parent dialog to inform of parameter changes */
+	private AddFilterDialog _parentDialog = null;
+	/** Listener for key presses on the parameter entry fields */
+	protected KeyListener _paramChangeListener = null;
+
+	/**
+	 * Constructor
+	 */
+	public FilterDefinition(AddFilterDialog inFilterDialog)
+	{
+		_parentDialog = inFilterDialog;
+		_paramChangeListener = new KeyAdapter() {
+			public void keyTyped(KeyEvent arg0) {
+				SwingUtilities.invokeLater(new Runnable() {
+					public void run() {
+						_parentDialog.filterParamsChanged();
+					}
+				});
+			}
+		};
+	}
+
+	/**
+	 * @return true if the filter definition is valid
+	 */
+	public abstract boolean isFilterValid();
+
+	/**
+	 * @return filter definition to pass to gpsbabel
+	 */
+	public String getString()
+	{
+		return "-x " + getFilterName() + getParameters();
+	}
+
+	/** @return filter name */
+	protected abstract String getFilterName();
+
+	/** Construct the GUI elements and add them to the panel */
+	protected abstract void makePanelContents();
+
+	/** @return filter parameters */
+	protected abstract String getParameters();
+}