Moved source into separate src directory due to popular request

[GpsPrune.git] / src / tim / prune / load / babel / FilterDefinition.java

diff --git a/src/tim/prune/load/babel/FilterDefinition.java b/src/tim/prune/load/babel/FilterDefinition.java
new file mode 100644 (file)
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();
+}