Chris@2: /*
Chris@2: 	Copyright (C) 2001, 2006 by Simon Dixon
Chris@2: 
Chris@2: 	This program is free software; you can redistribute it and/or modify
Chris@2: 	it under the terms of the GNU General Public License as published by
Chris@2: 	the Free Software Foundation; either version 2 of the License, or
Chris@2: 	(at your option) any later version.
Chris@2: 
Chris@2: 	This program is distributed in the hope that it will be useful,
Chris@2: 	but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@2: 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@2: 	GNU General Public License for more details.
Chris@2: 
Chris@2: 	You should have received a copy of the GNU General Public License along
Chris@2: 	with this program (the file gpl.txt); if not, download it from
Chris@2: 	http://www.gnu.org/licenses/gpl.txt or write to the
Chris@2: 	Free Software Foundation, Inc.,
Chris@2: 	51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Chris@2: */
Chris@2: 
Chris@2: package at.ofai.music.util;
Chris@2: 
Chris@2: import java.awt.Color;
Chris@2: import java.awt.Container;
Chris@2: import java.awt.Dimension;
Chris@2: import java.awt.Frame;
Chris@2: import java.awt.GridLayout;
Chris@2: import java.awt.event.ActionEvent;
Chris@2: import java.awt.event.ActionListener;
Chris@2: 
Chris@2: import javax.swing.BorderFactory;
Chris@2: import javax.swing.BoxLayout;
Chris@2: import javax.swing.JButton;
Chris@2: import javax.swing.JComboBox;
Chris@2: import javax.swing.JComponent;
Chris@2: import javax.swing.JDialog;
Chris@2: import javax.swing.JLabel;
Chris@2: import javax.swing.JPanel;
Chris@2: import javax.swing.JTextField;
Chris@2: 
Chris@2: import at.ofai.music.util.FrameMargins;
Chris@2: 
Chris@2: public class Parameters extends JDialog implements ActionListener {
Chris@2: 	
Chris@2: 	abstract class Value {
Chris@2: 		protected JComponent component;
Chris@2: 		abstract protected Object getValue();
Chris@2: 		abstract protected void update();
Chris@2: 	} // abstract class Value
Chris@2: 
Chris@2: 
Chris@2: 	class ChoiceValue extends Value {
Chris@2: 
Chris@2: 		String[] choices;
Chris@2: 		int currentChoice;
Chris@2: 
Chris@2: 		protected ChoiceValue(String[] values) { this(values, 0); }
Chris@2: 		protected ChoiceValue(String[] values, int init) {
Chris@2: 			choices = values;
Chris@2: 			currentChoice = init;
Chris@2: 			component = new JComboBox(values);
Chris@2: 			((JComboBox)component).setSelectedIndex(currentChoice);
Chris@2: 			component.setBackground(colors.getBackground());
Chris@2: 			component.setForeground(colors.getForeground());
Chris@2: 		} // constructor
Chris@2: 		
Chris@2: 		protected Object getValue() { return choices[currentChoice]; }
Chris@2: 		public String toString() { return choices[currentChoice]; }
Chris@2: 		
Chris@2: 		protected void update() {
Chris@2: 			int tmp = ((JComboBox)component).getSelectedIndex();
Chris@2: 			if (tmp >= 0)
Chris@2: 				currentChoice = tmp;
Chris@2: 		} // update()
Chris@2: 
Chris@2: 	} // class ChoiceValue
Chris@2: 
Chris@2: 	
Chris@2: 	class StringValue extends Value {
Chris@2: 	
Chris@2: 		String currentValue;
Chris@2: 	
Chris@2: 		protected StringValue() { this(""); }
Chris@2: 		protected StringValue(String init) {
Chris@2: 			currentValue = init;
Chris@2: 			component = new JTextField(currentValue);
Chris@2: 			component.setBackground(colors.getBackground());
Chris@2: 			component.setForeground(colors.getForeground());
Chris@2: 		} // constructor
Chris@2: 
Chris@2: 		protected Object getValue() { return currentValue; }
Chris@2: 		public String toString() { return currentValue; }
Chris@2: 
Chris@2: 		protected void update() {
Chris@2: 			currentValue = ((JTextField)component).getText();
Chris@2: 		} // update()
Chris@2: 
Chris@2: 	} // class StringValue
Chris@2: 
Chris@2: 
Chris@2: 	class DoubleValue extends Value {
Chris@2: 	
Chris@2: 		double currentValue;
Chris@2: 
Chris@2: 		protected DoubleValue() { this(0); }
Chris@2: 		protected DoubleValue(double init) {
Chris@2: 			currentValue = init;
Chris@2: 			component = new JTextField(Double.toString(currentValue));
Chris@2: 			component.setBackground(colors.getBackground());
Chris@2: 			component.setForeground(colors.getForeground());
Chris@2: 		} // constructor
Chris@2: 
Chris@2: 		protected Object getValue() { return new Double(currentValue); }
Chris@2: 		public String toString() { return "" + currentValue; }
Chris@2: 
Chris@2: 		protected void update() {
Chris@2: 			try {
Chris@2: 				double tmp =
Chris@2: 						Double.parseDouble(((JTextField)component).getText());
Chris@2: 				currentValue = tmp;
Chris@2: 			} catch (NumberFormatException e) {}
Chris@2: 		} // update()
Chris@2: 
Chris@2: 	} // class DoubleValue
Chris@2: 
Chris@2: 
Chris@2: 	class IntegerValue extends Value {
Chris@2: 	
Chris@2: 		int currentValue;
Chris@2: 
Chris@2: 		protected IntegerValue() { this(0); }
Chris@2: 		protected IntegerValue(int init) {
Chris@2: 			currentValue = init;
Chris@2: 			component = new JTextField(Integer.toString(currentValue));
Chris@2: 			component.setBackground(colors.getBackground());
Chris@2: 			component.setForeground(colors.getForeground());
Chris@2: 		} // constructor
Chris@2: 
Chris@2: 		protected Object getValue() { return new Integer(currentValue); }
Chris@2: 		public String toString() { return "" + currentValue; }
Chris@2: 
Chris@2: 		protected void update() {
Chris@2: 			try {
Chris@2: 				int tmp = Integer.parseInt(((JTextField)component).getText());
Chris@2: 				currentValue = tmp;
Chris@2: 			} catch (NumberFormatException e) {}
Chris@2: 		} // update()
Chris@2: 
Chris@2: 	} // class IntegerValue
Chris@2: 
Chris@2: 
Chris@2: 	class BooleanValue extends ChoiceValue {
Chris@2: 
Chris@2: 		boolean currentValue;
Chris@2: 
Chris@2: 		protected BooleanValue() { this(true); }
Chris@2: 		protected BooleanValue(boolean init) {
Chris@2: 			super(new String[]{"True", "False"}, init? 0: 1);
Chris@2: 			currentValue = init;
Chris@2: 		} // constructor
Chris@2: 
Chris@2: 		protected Object getValue() { return new Boolean(currentValue); }
Chris@2: 		public String toString() { return "" + currentValue; }
Chris@2: 
Chris@2: 		protected void update() {
Chris@2: 			super.update();
Chris@2: 			currentValue = (currentChoice == 0);
Chris@2: 		} // update()
Chris@2: 			
Chris@2: 	} // class BooleanValue
Chris@2: 
Chris@2: 
Chris@2: 	protected ArrayMap map;
Chris@2: 	protected Frame parent;
Chris@2: 	protected JLabel[] keyFields;
Chris@2: 	protected JComponent[] valueFields;
Chris@2: 	protected int sz;
Chris@2: 	protected Colors colors;
Chris@2: 	protected JPanel panel1, panel2;
Chris@2: 	protected JButton okButton, cancelButton;
Chris@2: 	protected boolean cancelled;
Chris@2: 	static final long serialVersionUID = 0;
Chris@2: 
Chris@2: 	public Parameters(Frame f, String name) {
Chris@2: 		this(f, name, new Colors() {
Chris@2: 			public Color getBackground() { return Color.white; }
Chris@2: 			public Color getForeground() { return Color.black; }
Chris@2: 			public Color getButton()	 { return Color.white; }
Chris@2: 			public Color getButtonText() { return Color.black; }
Chris@2: 		});
Chris@2: 	} // constructor
Chris@2: 
Chris@2: 	public Parameters(Frame f, String name, Colors c) {
Chris@2: 		super(f, name, true);
Chris@2: 		colors = c;
Chris@2: 		setLocationRelativeTo(f);
Chris@2: 		Container pane = getContentPane();
Chris@2: 		pane.setLayout(new BoxLayout(pane, BoxLayout.X_AXIS));
Chris@2: 		panel1 = new JPanel();
Chris@2: 		panel2 = new JPanel();
Chris@2: 		pane.add(panel1);
Chris@2: 		pane.add(panel2);
Chris@2: 		panel1.setBackground(colors.getBackground());
Chris@2: 		panel2.setBackground(colors.getBackground());
Chris@2: 		getRootPane().setBorder(
Chris@2: 					BorderFactory.createLineBorder(colors.getBackground(), 10));
Chris@2: 		map = new ArrayMap();
Chris@2: 		okButton = new JButton("OK");
Chris@2: 		okButton.setBackground(colors.getButton());
Chris@2: 		okButton.setForeground(colors.getButtonText());
Chris@2: 		okButton.addActionListener(this);
Chris@2: 		cancelButton = new JButton("Cancel");
Chris@2: 		cancelButton.setBackground(colors.getButton());
Chris@2: 		cancelButton.setForeground(colors.getButtonText());
Chris@2: 		cancelButton.addActionListener(this);
Chris@2: 		parent = f;
Chris@2: 		cancelled = false;
Chris@2: 		setVisible(false);
Chris@2: 	} // constructor
Chris@2: 
Chris@2: 	public void print() {
Chris@2: 		sz = map.size();
Chris@2: 		System.out.println("at.ofai.music.util.Parameters: size = " + sz);
Chris@2: 		for (int i = 0; i < sz; i++) {
Chris@2: 			ArrayMap.Entry e = map.getEntry(i);
Chris@2: 			System.out.println(e.getKey() + " : " + e.getValue());
Chris@2: 		}
Chris@2: 	} // print()
Chris@2: 
Chris@2: 	public void actionPerformed(ActionEvent e) {
Chris@2: 		if (e.getSource() == okButton) {
Chris@2: 			for (int i = 0; i < sz; i++)
Chris@2: 				((Value)map.getEntry(i).getValue()).update();
Chris@2: 			cancelled = false;
Chris@2: 		} else
Chris@2: 			cancelled = true;
Chris@2: 		setVisible(false);
Chris@2: 	}
Chris@2: 
Chris@2: 	public boolean wasCancelled() {
Chris@2: 		return cancelled;
Chris@2: 	}
Chris@2: 
Chris@2: 	public void setVisible(boolean flag) {
Chris@2: 		if (!flag) {
Chris@2: 			super.setVisible(false);
Chris@2: 			return;
Chris@2: 		}
Chris@2: 		sz = map.size();
Chris@2: 		keyFields = new JLabel[sz];
Chris@2: 		valueFields = new JComponent[sz];
Chris@2: 		panel1.removeAll();
Chris@2: 		panel2.removeAll();
Chris@2: 		panel1.setLayout(new GridLayout(sz + 1, 1, 10, 5));
Chris@2: 		panel2.setLayout(new GridLayout(sz + 1, 1, 10, 5));
Chris@2: 		for (int i = 0; i < sz; i++) {
Chris@2: 			ArrayMap.Entry e = map.getEntry(i);
Chris@2: 			keyFields[i] = new JLabel((String) e.getKey());
Chris@2: 			panel1.add(keyFields[i]);
Chris@2: 			valueFields[i] = (JComponent) ((Value)e.getValue()).component;
Chris@2: 			panel2.add(valueFields[i]);
Chris@2: 		}
Chris@2: 		panel1.add(okButton);
Chris@2: 		panel2.add(cancelButton);
Chris@2: 		pack();
Chris@2: 		Dimension dim = getContentPane().getSize();
Chris@2: 		Dimension margins = FrameMargins.get(false);
Chris@2: 		int wd = dim.width + margins.width + 20;
Chris@2: 		int ht = dim.height + margins.height + 20;
Chris@2: 		int x = 0;
Chris@2: 		int y = 0;
Chris@2: 		if (parent != null) {
Chris@2: 			x = parent.getLocation().x + (parent.getWidth() - wd) / 2;
Chris@2: 			y = parent.getLocation().y + (parent.getHeight() - ht) / 2;
Chris@2: 		}
Chris@2: 	//	System.out.println("wd=" + wd + " ht=" + ht + " loc=" + x + "," + y);
Chris@2: 	//  java version "1.3.0rc1" has bugs in location/size with fvwm2
Chris@2: 	//	super.setLocation(-wd/2, -ht/2); // x, y);
Chris@2: 		super.setLocation(x, y);
Chris@2: 		super.setSize(wd, ht);
Chris@2: 		super.setVisible(true);
Chris@2: 	} // setVisible()
Chris@2: 
Chris@2: 	public boolean contains(String key) {
Chris@2: 		return map.containsKey(key);
Chris@2: 	} // contains()
Chris@2: 
Chris@2: 	public String getString(String key) {
Chris@2: 		return ((StringValue)map.get(key)).currentValue;
Chris@2: 	} // getString()
Chris@2: 	
Chris@2: 	public double getDouble(String key) {
Chris@2: 		return ((DoubleValue)map.get(key)).currentValue;
Chris@2: 	} // getDouble()
Chris@2: 	
Chris@2: 	public int getInt(String key) {
Chris@2: 		return ((IntegerValue)map.get(key)).currentValue;
Chris@2: 	} // getInt()
Chris@2: 
Chris@2: 	public boolean getBoolean(String key) {
Chris@2: 		return ((BooleanValue)map.get(key)).currentValue;
Chris@2: 	} // getBoolean()
Chris@2: 
Chris@2: 	public String getChoice(String key) {
Chris@2: 		return (String) ((ChoiceValue)map.get(key)).getValue();
Chris@2: 	} // getChoice()
Chris@2: 
Chris@2: 	public void setString(String key, String value) {
Chris@2: 		map.put(key, new StringValue(value));
Chris@2: 	} // setString()
Chris@2: 
Chris@2: 	public void setDouble(String key, double value) {
Chris@2: 		map.put(key, new DoubleValue(value));
Chris@2: 	} // setDouble()
Chris@2: 
Chris@2: 	public void setInt(String key, int value) {
Chris@2: 		map.put(key, new IntegerValue(value));
Chris@2: 	} // setInt()
Chris@2: 
Chris@2: 	public void setBoolean(String key, boolean value) {
Chris@2: 		map.put(key, new BooleanValue(value));
Chris@2: 	} // setBoolean()
Chris@2: 
Chris@2: 	public void setChoice(String key, String[] choices, int value) {
Chris@2: 		map.put(key, new ChoiceValue(choices, value));
Chris@2: 	} // setChoice()
Chris@2: 
Chris@2: } // class Parameters