package columnruler;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import java.util.*;

import org.gjt.sp.jedit.*;
import org.gjt.sp.jedit.gui.*;

/**
 *  Option pane for custom marks and guides.
 *
 * @author     Brad Mace
 * @version    $Revision: 1.6 $ $Date: 2004-02-24 18:20:29 $
 */
public class LineGuidesOptions extends AbstractOptionPane implements ActionListener {
	private JCheckBox caretGuide;
	private JCheckBox wrapGuide;
	private JButton addButton;
	private JButton removeButton;
	private JTable table;
	private GuideTableModel model;
	private ArrayList guides;
	private Comparator columnComparator;

	public LineGuidesOptions() {
		super("columnruler.lineguides");
	}

	protected void _init() {
		guides = new ArrayList();
		columnComparator = new ColumnComparator();

		int i = 0;
		String name = jEdit.getProperty("options.columnruler.marks." + i + ".name");
		while (name != null) {
			Mark m = new Mark(name);
			m.setColumn(jEdit.getIntegerProperty("options.columnruler.marks." + i + ".column", 0));
			m.setColor(jEdit.getColorProperty("options.columnruler.marks." + i + ".color", Color.WHITE));
			guides.add(m);
			i++;
			name = jEdit.getProperty("options.columnruler.marks." + i + ".name");
		}

		JPanel dynamicGuides = new JPanel(new GridLayout(2, 1));
		dynamicGuides.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Dynamic Marks/Guides"));
		caretGuide = new JCheckBox("Show caret guide", jEdit.getBooleanProperty("options.columnruler.marks.caret.guide",false));
		wrapGuide = new JCheckBox("Show wrap guide", jEdit.getBooleanProperty("options.columnruler.marks.wrap.guide",true));
		dynamicGuides.add(caretGuide);
		dynamicGuides.add(wrapGuide);
		addComponent(dynamicGuides, GridBagConstraints.HORIZONTAL);

		model = new GuideTableModel();
		table = new JTable(model);
		addComponent(createTablePanel(), GridBagConstraints.BOTH);
	}


	protected void _save() {
		jEdit.setBooleanProperty("options.columnruler.marks.caret.guide", caretGuide.isSelected());
		jEdit.setBooleanProperty("options.columnruler.marks.wrap.guide", wrapGuide.isSelected());

		int i = 0;
		for (i = 0; i < guides.size(); i++) {
			Mark mark = (Mark) guides.get(i);
			jEdit.setProperty("options.columnruler.marks." + i + ".name", mark.getName());
			jEdit.setIntegerProperty("options.columnruler.marks." + i + ".column", mark.getColumn());
			jEdit.setColorProperty("options.columnruler.marks." + i + ".color", mark.getColor());
			jEdit.setBooleanProperty("options.columnruler.marks." + i + ".guide", true);
		}
		jEdit.unsetProperty("options.columnruler.marks." + i + ".name");
		jEdit.getActiveView().getTextArea().repaint();
	}

	//{{{ actionPerformed()
	public void actionPerformed(ActionEvent evt) {
		Object obj = evt.getSource();

		if (obj == addButton)
			addGuide();
		else if (obj == removeButton)
			removeGuide(table.getSelectedRow());
	}//}}}

	private JPanel createTablePanel() {
		JPanel panel = new JPanel(new BorderLayout());
		panel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Static Marks/Guides"));

		JPanel buttonPanel = new JPanel();
		addButton = new JButton("Add Mark/Guide");
		addButton.addActionListener(this);
		buttonPanel.add(addButton);
		removeButton = new JButton("Remove Mark/Guide");
		removeButton.addActionListener(this);
		buttonPanel.add(removeButton);
		panel.add(buttonPanel, BorderLayout.SOUTH);

		panel.add(new JScrollPane(table), BorderLayout.CENTER);
		return panel;
	}

	//{{{ add/remove guide
	public void addGuide() {
		MarkDialog dialog = new MarkDialog(null, "Add Mark/Guide");
		dialog.pack();
		dialog.setVisible(true);
	}

	public void removeGuide(int index) {
		guides.remove(index);
		model.fireTableDataChanged();
	}
	//}}}

	//{{{ Inner Classes

	//{{{ GuideTableModel
	/**
	 *  Description of the Class
	 *
	 * @author     Brad Mace
	 * @version    $Revision: 1.6 $ $Date: 2004-02-24 18:20:29 $
	 */
	class GuideTableModel extends AbstractTableModel {
		public GuideTableModel() { }

		public String getColumnName(int col) {
			switch (col) {
							case 0:
								return "Name";
							case 1:
								return "Column";
							case 2:
								return "Color";
							default:
								return "error";
			}
		}

		public int getColumnCount() {
			return 3;
		}

		public int getRowCount() {
			return guides.size();
		}

		public Object getValueAt(int row, int col) {
			Mark mark = (Mark) guides.get(row);
			switch (col) {
							case 0:
								return mark.getName();
							case 1:
								return new Integer(mark.getColumn());
							case 2:
								return mark.getColor();
							default:
								return "error";
			}
		}
	}//}}}

	//{{{ ColumnComparator
	/**
	 *  Description of the Class
	 *
	 * @author     Brad Mace
	 * @version    $Revision: 1.6 $ $Date: 2004-02-24 18:20:29 $
	 */
	class ColumnComparator implements Comparator {
		public int compare(Object a, Object b) {
			Mark first = (Mark) a;
			Mark second = (Mark) b;
			return first.getColumn() - second.getColumn();
		}

		public boolean equals(Object other) {
			return other instanceof ColumnComparator;
		}
	}//}}}

	//{{{ MarkDialog
	/**
	 *  Description of the Class
	 *
	 * @author     Brad Mace
	 * @version    $Revision: 1.6 $ $Date: 2004-02-24 18:20:29 $
	 */
	class MarkDialog extends JDialog implements ActionListener {
		private JTextField name;
		private JTextField column;
		private ColorWellButton color;
		private JButton ok;
		private JButton cancel;

		public MarkDialog(int column) {
			name = new JTextField(30);
			this.column = new JTextField(column + "");
			color = new ColorWellButton(Color.WHITE);
			init();
		}

		public MarkDialog(Mark m, String title) {
			super(jEdit.getActiveView(), title, true);
			if (m == null) {
				name = new JTextField(30);
				column = new JTextField(4);
				color = new ColorWellButton(Color.WHITE);
			}
			else {
				name = new JTextField(m.getName());
				column = new JTextField(m.getColumn() + "");
				color = new ColorWellButton(m.getColor());
			}
			init();
		}

		private void init() {
			ok = new JButton("OK");
			ok.addActionListener(this);
			cancel = new JButton("Cancel");
			cancel.addActionListener(this);
			getContentPane().setLayout(new GridLayout(4, 2));
			getContentPane().add(new JLabel("Name"));
			getContentPane().add(name);
			getContentPane().add(new JLabel("Column"));
			getContentPane().add(column);
			getContentPane().add(new JLabel("Color"));
			getContentPane().add(color);
			getContentPane().add(cancel);
			getContentPane().add(ok);
		}

		public void actionPerformed(ActionEvent e) {
			if (e.getSource() == ok) {
				Mark mark = new Mark(name.getText());
				mark.setColumn(Integer.parseInt(column.getText()));
				mark.setColor(color.getSelectedColor());
				guides.add(mark);
				Collections.sort(guides, columnComparator);
				model.fireTableDataChanged();
			}
			dispose();
		}
	}//}}}

	//}}}

}