X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Ffunction%2FChooseSingleParameter.java;fp=src%2Ftim%2Fprune%2Ffunction%2FChooseSingleParameter.java;h=5e23d745b41c76df8f0a1582e24932b40445716b;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/function/ChooseSingleParameter.java b/src/tim/prune/function/ChooseSingleParameter.java
new file mode 100644
index 0000000..5e23d74
--- /dev/null
+++ b/src/tim/prune/function/ChooseSingleParameter.java
@@ -0,0 +1,158 @@
+package tim.prune.function;
+
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+
+import javax.swing.BorderFactory;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+
+import tim.prune.App;
+import tim.prune.GenericFunction;
+import tim.prune.I18nManager;
+import tim.prune.gui.WholeNumberField;
+
+/**
+ * First step of functions which just require a single numeric
+ * parameter in order to run
+ */
+public class ChooseSingleParameter extends GenericFunction
+{
+	/** Parent function which needs this parameter */
+	private SingleNumericParameterFunction _parent = null;
+	/** dialog */
+	private JDialog _dialog = null;
+	/** label which might need to be changed */
+	private JLabel _descLabel = null;
+	/** entry field */
+	private WholeNumberField _numberField = null;
+	/** ok button */
+	private JButton _okButton = null;
+
+
+	/** Constructor */
+	public ChooseSingleParameter(App inApp, SingleNumericParameterFunction inFunction)
+	{
+		super(inApp);
+		_parent = inFunction;
+	}
+
+	@Override
+	public String getNameKey() {
+		return _parent.getNameKey();
+	}
+
+	@Override
+	public void begin()
+	{
+		// Make dialog window
+		if (_dialog == null)
+		{
+			_dialog = new JDialog(_parentFrame, I18nManager.getText(_parent.getNameKey()), true);
+			_dialog.setLocationRelativeTo(_parentFrame);
+			_dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
+			_dialog.getContentPane().add(makeDialogComponents());
+			_dialog.pack();
+		}
+		// refresh and show the dialog
+		_descLabel.setText(I18nManager.getText(_parent.getDescriptionKey()));
+		int param = _parent.getCurrentParamValue();
+		if (param > 0) {
+			_numberField.setValue(param);
+		}
+		else {
+			_numberField.setText("");
+		}
+		_dialog.setVisible(true);
+		enableOkButton();
+	}
+
+	/**
+	 * Create dialog components
+	 * @return Panel containing all gui elements in dialog
+	 */
+	private JPanel makeDialogComponents()
+	{
+		JPanel dialogPanel = new JPanel();
+		dialogPanel.setLayout(new BorderLayout());
+		// label
+		_descLabel = new JLabel(I18nManager.getText(_parent.getDescriptionKey()));
+		dialogPanel.add(_descLabel, BorderLayout.NORTH);
+		// Centre panel with number entry field
+		JPanel centrePanel = new JPanel();
+		centrePanel.setLayout(new BorderLayout(8, 8));
+		_numberField = new WholeNumberField(4);
+		centrePanel.add(_numberField, BorderLayout.NORTH);
+		dialogPanel.add(centrePanel, BorderLayout.CENTER);
+
+		// Listener to enable/disable ok button
+		_numberField.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent arg0) {
+				enableOkButton();
+			}
+		});
+		_numberField.addKeyListener(new KeyAdapter() {
+			public void keyReleased(KeyEvent inE)
+			{
+				int eCode = inE.getKeyCode();
+				if (eCode == KeyEvent.VK_ESCAPE) {_dialog.dispose();}
+				else if (eCode == KeyEvent.VK_ENTER) {finish();}
+				super.keyReleased(inE);
+			}
+		});
+
+		// button panel at bottom
+		JPanel buttonPanel = new JPanel();
+		buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+		_okButton = new JButton(I18nManager.getText("button.ok"));
+		ActionListener okListener = new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				finish();
+			}
+		};
+		_okButton.addActionListener(okListener);
+		_okButton.setEnabled(false);
+		buttonPanel.add(_okButton);
+		JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
+		cancelButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				_dialog.dispose();
+			}
+		});
+		buttonPanel.add(cancelButton);
+		dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
+		dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
+		return dialogPanel;
+	}
+
+
+	/**
+	 * Enable or disable the OK button as appropriate
+	 */
+	private void enableOkButton()
+	{
+		_okButton.setEnabled(_numberField.getValue() >= _parent.getMinAllowedValue()
+			&& _numberField.getValue() <= _parent.getMaxAllowedValue());
+	}
+
+	/**
+	 * The OK button (or Enter) has been pressed
+	 */
+	private void finish()
+	{
+		if (_numberField.getValue() >= _parent.getMinAllowedValue()
+			&& _numberField.getValue() <= _parent.getMaxAllowedValue())
+		{
+			_parent.completeFunction(_numberField.getValue());
+			_dialog.dispose();
+		}
+	}
+}