X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Ffunction%2Fcompress%2FSingleParameterAlgorithm.java;fp=src%2Ftim%2Fprune%2Ffunction%2Fcompress%2FSingleParameterAlgorithm.java;h=fbf0ccff49c550b79969cda539ec4b4bde008513;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/function/compress/SingleParameterAlgorithm.java b/src/tim/prune/function/compress/SingleParameterAlgorithm.java
new file mode 100644
index 0000000..fbf0ccf
--- /dev/null
+++ b/src/tim/prune/function/compress/SingleParameterAlgorithm.java
@@ -0,0 +1,86 @@
+package tim.prune.function.compress;
+
+import java.awt.Component;
+import java.awt.GridLayout;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyListener;
+
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+import javax.swing.SwingConstants;
+
+import tim.prune.I18nManager;
+import tim.prune.data.Track;
+
+/**
+ * Superclass for compression algorithms with a single text field parameter
+ */
+public abstract class SingleParameterAlgorithm extends CompressionAlgorithm
+{
+	/** Text field for entering parameter */
+	private JTextField _parameterField = null;
+	/** Listener from parent dialog */
+	private ActionListener _listener = null;
+
+
+	/**
+	 * Constructor
+	 * @param inTrack track object
+	 * @param inDetails track details object
+	 * @param inListener listener to attach to activation control
+	 */
+	public SingleParameterAlgorithm(Track inTrack, TrackDetails inDetails, ActionListener inListener)
+	{
+		super(inTrack, inDetails, inListener);
+		_listener = inListener;
+		_parameterField = new JTextField();
+		// Add listener to parameter field to re-run preview (and en/disable ok) when param changed
+		_parameterField.addKeyListener(new KeyListener() {
+			public void keyTyped(java.awt.event.KeyEvent arg0) {};
+			public void keyPressed(java.awt.event.KeyEvent arg0) {};
+			public void keyReleased(java.awt.event.KeyEvent arg0) {if (isActivated()) _listener.actionPerformed(null);};
+		});
+	}
+
+	/**
+	 * @return specific gui components for dialog
+	 * @param inLabelKey key for label
+	 * @param inParamValue initial value of parameter
+	 */
+	protected Component getSpecificGuiComponents(String inLabelKey, String inParamValue)
+	{
+		// Create panel with label and text field
+		JPanel panel = new JPanel();
+		panel.setLayout(new GridLayout(0, 2));
+		JLabel label = new JLabel(I18nManager.getText(inLabelKey) + " : ");
+		label.setHorizontalAlignment(SwingConstants.RIGHT);
+		panel.add(label);
+		panel.add(_parameterField);
+		_parameterField.setText(inParamValue);
+		return panel;
+	}
+
+	/**
+	 * Parse the text field to get parameter
+	 * @return parameter given as double
+	 */
+	protected double getParameter()
+	{
+		double param = 0.0;
+		try {
+			// Parse from string
+			param = Double.parseDouble(_parameterField.getText());
+		}
+		catch (NumberFormatException nfe) {} // ignore, param stays zero
+		return param;
+	}
+
+	/**
+	 * @return the text field component
+	 */
+	protected JTextField getTextField()
+	{
+		return _parameterField;
+	}
+}