/*
 * TabbedPane.java
 *
 * Created on March 22, 2001, 11:39 AM
 */
package com.c2kernel.gui.tabs;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;

import javax.swing.Box;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JToggleButton;
import javax.swing.SwingConstants;

import com.c2kernel.entity.proxy.EntityProxyObserver;
import com.c2kernel.gui.EntityDetails;
import com.c2kernel.gui.ImageLoader;
import com.c2kernel.gui.MainFrame;
import com.c2kernel.gui.tabs.outcome.OutcomeHandler;
import com.c2kernel.gui.tabs.outcome.form.OutcomePanel;
import com.c2kernel.gui.tree.NodeEntity;
import com.c2kernel.process.Gateway;
import com.c2kernel.utils.Language;
import com.c2kernel.utils.Logger;
/**
 * Generic item details tabbed pane.
 *
 * @version $Revision: 1.31 $ $Date: 2005/06/08 16:47:44 $
 * @author  $Author: abranson $
 */
public class EntityTabPane extends JPanel implements Runnable {

	protected NodeEntity sourceEntity;
    protected String titleText = null;
    protected ImageIcon titleIcon = null;
    private final String tabName;
    protected GridBagLayout gridbag = new GridBagLayout();
    protected GridBagConstraints c = null;
    public static Font titleFont = null;
    public static Color headingColor = new Color(0, 0, 185);
    protected EntityDetails parent;
    protected static ImageIcon mReloadIcon = null;
    protected Box titleBox;
    static {
        try {
            mReloadIcon = ImageLoader.findImage("refresh.gif");
        } catch (Exception e) {
            Logger.warning("Couldn't load images: " + e);
        }
    }

	public void focusLost(FocusEvent e)
	{
	}

    public EntityTabPane(String tabName, String titleText) {
        this.tabName = Language.translate(tabName);
        this.titleText =
            titleText == null ? null : Language.translate(titleText);
        if (titleFont == null)
            titleFont =
                new Font("SansSerif", Font.BOLD, this.getFont().getSize() + 5);
        Logger.msg(2, "ItemTabPane.<init> - viewing " + tabName);
        setLayout(gridbag);
    }
    public void setParent(EntityDetails parent) {
        this.parent = parent;
    }
    public String getTabName() {
        return tabName;
    }
    protected GridBagConstraints getGridBagConstraints() {
        if (c == null)
            c = new GridBagConstraints();
        return c;
    }
    protected void initPanel() {
        getGridBagConstraints().gridx = 0;
        getGridBagConstraints().gridy = 0;
        getGridBagConstraints().anchor = GridBagConstraints.NORTHWEST;
        getGridBagConstraints().fill = GridBagConstraints.HORIZONTAL;
        getGridBagConstraints().ipadx = 5;
        getGridBagConstraints().weightx = 1.0;
        getGridBagConstraints().ipady = 5;
        // Help panel
        if (titleText == null)
            titleText = tabName;
        if (titleIcon == null)
            titleIcon = ImageLoader.findImage("info_16.png");
        JLabel title = new JLabel(titleText, titleIcon, SwingConstants.LEFT);
        title.setFont(titleFont);
        title.setForeground(headingColor);
        JButton refreshButton = new JButton(mReloadIcon);
        refreshButton.setToolTipText(Language.translate("Refresh"));
        refreshButton.setMargin(new Insets(0, 0, 0, 0));
        refreshButton.addActionListener(new ActionListener() {
            @Override
			public void actionPerformed(ActionEvent e) {
                setCursor(new Cursor(Cursor.WAIT_CURSOR));
                reload();
                setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
            }
        });
        String defaultStartTab = MainFrame.getPref("DefaultStartTab", "Properties");
        JToggleButton defaultStart =
            new JToggleButton(ImageLoader.findImage("graph/start.png"));
        defaultStart.setMargin(new Insets(0, 0, 0, 0));
        defaultStart.setToolTipText(
            Language.translate("Select this tab to be the default one opened when you double click an item"));
        defaultStart.setSelected(tabName.equals(defaultStartTab));
        defaultStart.setActionCommand(tabName);
        defaultStart.addActionListener(new ActionListener() {
            @Override
			public void actionPerformed(ActionEvent e) {
                if (((JToggleButton)e.getSource()).isSelected())
                    MainFrame.setPref("DefaultStartTab", e.getActionCommand());
            }
        });
        titleBox = Box.createHorizontalBox();
        titleBox.add(title);
        titleBox.add(Box.createHorizontalGlue());
        titleBox.add(defaultStart);
        titleBox.add(refreshButton);
        gridbag.setConstraints(titleBox, c);
        this.add(titleBox);
    }
    public void initForEntity(NodeEntity sourceEntity) {
        this.sourceEntity = sourceEntity;
        Thread loader = new Thread(this);
        loader.start();
    }
    @Override
	public void run() {
        Thread.currentThread().setName("Default Entity Pane Builder");
        getGridBagConstraints();
        c.gridx = 0;
        c.gridy = 1;
        c.anchor = GridBagConstraints.NORTHWEST;
        c.fill = GridBagConstraints.HORIZONTAL;
        c.ipadx = 5;
        c.weightx = 1.0;
        c.weighty = 1.0;
        c.ipady = 5;
        JLabel error = new JLabel("In Development");
        gridbag.setConstraints(error, c);
        this.add(error);
    }
    public void reload() {
    }
    public void runCommand(String command) {
    }

    public void destroy() {
        if (sourceEntity != null && this instanceof EntityProxyObserver<?>) {
            sourceEntity.getEntity().unsubscribe((EntityProxyObserver<?>)this);
        }
        parent = null;
    }

    @Override
	protected void finalize() throws Throwable {
        Logger.msg(7, "Reaping "+getClass().getName());
    }

    static public OutcomeHandler getOutcomeHandler(String schema, int version) {
        String ohClassName = Gateway.getProperty("OutcomeHandler."+schema+"."+version);
        try {
            if (ohClassName != null && ohClassName.length() > 0) {
                Class<?> ohClass = Class.forName(ohClassName);
                return (OutcomeHandler) ohClass.newInstance();
            }
        } catch (Exception ex) {
            Logger.error("Error creating handler "+ohClassName+". using default outcome editor");
        }
        ohClassName = Gateway.getProperty("OutcomeHandler.*");
        try {
            if (ohClassName != null && ohClassName.length() > 0) {
                Class<?> ohClass = Class.forName(ohClassName);
                return (OutcomeHandler) ohClass.newInstance();
            }
        } catch (Exception ex) {
            Logger.error("Error creating handler "+ohClassName+". using default outcome editor");
            Logger.error(ex);
        }
        return new OutcomePanel();
    }
}