package timeflow.app.ui;

import timeflow.app.ui.filter.FilterControlPanel;
import timeflow.data.db.*;
import timeflow.data.time.*;
import timeflow.model.*;

import javax.swing.*;

import timeflow.util.*;

import java.awt.*;
import java.awt.event.*;
import java.util.List;

public class GlobalDisplayPanel extends ModelPanel
{

        JPanel encodings = new JPanel();
        JPanel localControls = new JPanel();
        JPanel globalControls = new JPanel();
        CardLayout localCards = new CardLayout();

        public GlobalDisplayPanel(TFModel model, FilterControlPanel filterControls)
        {
                super(model);
                setBackground(Color.white);
                setLayout(new BorderLayout());

                add(localControls, BorderLayout.CENTER);
                localControls.setBackground(Color.white);
                localControls.setLayout(localCards);

                JPanel p = new JPanel();
                p.setBackground(Color.white);
                p.setLayout(new BorderLayout());

                JPanel globalLabel = new JPanel();
                globalLabel.setLayout(new BorderLayout());

                JPanel topLine = new Pad(2, 3);
                topLine.setBackground(Color.gray);
                globalLabel.add(topLine, BorderLayout.NORTH);

                JPanel bottomLine = new Pad(2, 3);
                bottomLine.setBackground(Color.gray);
                globalLabel.add(bottomLine, BorderLayout.SOUTH);

                JLabel label = new JLabel(" Global Controls", JLabel.LEFT)
                {

                        public Dimension getPreferredSize()
                        {
                                return new Dimension(30, 30);
                        }
                };
                label.setBackground(Color.lightGray);
                label.setForeground(Color.darkGray);
                globalLabel.add(label, BorderLayout.CENTER);
                p.add(globalLabel, BorderLayout.NORTH);

                JPanel global = new JPanel();
                global.setLayout(new BorderLayout());
                global.add(new StatusPanel(model, filterControls), BorderLayout.NORTH);

                encodings.setLayout(new GridLayout(4, 1));
                encodings.setBackground(Color.white);
                global.add(encodings, BorderLayout.CENTER);
                p.add(global, BorderLayout.CENTER);
                add(p, BorderLayout.SOUTH);

                makeEncodingPanel();
        }

        public void showLocalControl(String name)
        {
                localCards.show(localControls, name);
        }

        public void addLocalControl(String name, JComponent control)
        {
                localControls.add(control, name);
        }

        void makeEncodingPanel()
        {
                encodings.removeAll();
                ActDB db = getModel().getDB();
                if (db == null)
                {
                        return;
                }

                java.util.List<Field> dimensions = DBUtils.categoryFields(db);
                java.util.List<Field> measures = db.getFields(Double.class);
                java.util.List<Field> fields = db.getFields();

                makeChooser(VirtualField.LABEL, "Label", "None", fields); //db.getFields()); // String.class));
                makeChooser(VirtualField.TRACK, "Groups", "None", dimensions);
                makeChooser(VirtualField.COLOR, "Color", "Same As Groups", dimensions);

                makeChooser(VirtualField.SIZE, "Dot Size", "None", measures);
        }

        private JComboBox makeChooser(final String alias, String title, String nothingLabel, List<Field> fields)
        {
                if (fields.size() == 0)
                {
                        return null;
                }
                JPanel panel = new JPanel();
                panel.setBackground(Color.white);
                panel.setLayout(new BorderLayout());
                JPanel topPad = new Pad(10, 7);
                topPad.setBackground(Color.white);
                panel.add(topPad, BorderLayout.NORTH);

                JPanel rightPad = new Pad(10, 10);
                panel.add(rightPad, BorderLayout.EAST);
                rightPad.setBackground(Color.white);

                panel.add(new JLabel(" " + title)
                {

                        public Dimension getPreferredSize()
                        {
                                return new Dimension(60, 25);
                        }
                },
                        BorderLayout.WEST);
                final JComboBox c = new JComboBox();

                if (nothingLabel != null)
                {
                        c.addItem(nothingLabel);
                }
                for (Field f : fields)
                {
                        c.addItem(f.getName());
                }

                Field current = getModel().getDB().getField(alias);
                if (current != null)
                {
                        c.setSelectedItem(current.getName());
                }
                c.addActionListener(new ActionListener()
                {

                        @Override
                        public void actionPerformed(ActionEvent e)
                        {
                                Field realField = c.getSelectedIndex() == 0
                                        ? null : getModel().getDB().getField((String) c.getSelectedItem());
                                getModel().setFieldAlias(realField, alias, GlobalDisplayPanel.this);
                        }
                });
                c.setBackground(Color.white);
                c.setBorder(null);
                panel.add(c, BorderLayout.CENTER);
                encodings.add(panel);
                c.setBorder(null);
                return c;
        }

        @Override
        public void note(TFEvent e)
        {
                if (e.affectsSchema())
                {
                        makeEncodingPanel();
                }
        }
}