package org.hwo.ui;

import java.awt.BorderLayout;
import java.awt.FlowLayout;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;

import java.awt.GridBagLayout;

import javax.swing.JLabel;

import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.awt.Font;

import javax.swing.JProgressBar;
import javax.swing.border.TitledBorder;
import javax.swing.JTextArea;

import org.hwo.thread.ThreadedOperation;
import org.hwo.thread.ThreadedOperationUpdateArgs;
import org.hwo.thread.ThreadedOperationUpdateListener;

import java.awt.Dialog.ModalExclusionType;
import java.awt.Dialog.ModalityType;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class ProgressDialog extends JDialog implements ThreadedOperationUpdateListener{

	private final JPanel contentPanel = new JPanel();
	private JProgressBar pSchritt;
	private JProgressBar pGesamt;
	private JTextArea taStatus;
	private JLabel lblSchritt;
	
	private int operationResult;
	private boolean operationFinished;

	
	public static int executeOperation(ThreadedOperation operation)
	{
		ProgressDialog dialog = new ProgressDialog();
		operation.addThreadedOperationUpdateListener(dialog);
		dialog.setTitle(operation.getName());
		operation.start();
		dialog.setVisible(true);
		operation.removeThreadedOperationUpdateListener(dialog);
		return dialog.getOperationResult();
	}
	
	
	/**
	 * Create the dialog.
	 */
	protected ProgressDialog() {
		addWindowListener(new WindowAdapter() {
			@Override
			public void windowClosing(WindowEvent arg0) {
				if (!operationFinished)
					setVisible(true);
			}
			@Override
			public void windowOpened(WindowEvent e) {
			}
		});
		setModalityType(ModalityType.APPLICATION_MODAL);
		setModalExclusionType(ModalExclusionType.APPLICATION_EXCLUDE);
		setBounds(100, 100, 691, 270);
		getContentPane().setLayout(new BorderLayout());
		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
		getContentPane().add(contentPanel, BorderLayout.CENTER);
		GridBagLayout gbl_contentPanel = new GridBagLayout();
		gbl_contentPanel.columnWidths = new int[] {0};
		gbl_contentPanel.rowHeights = new int[]{0, 0, 0, 0, 0, 0, 0};
		gbl_contentPanel.columnWeights = new double[]{1.0};
		gbl_contentPanel.rowWeights = new double[]{0.0, 0.0, 0.0, 0.0, 0.0, 1.0, Double.MIN_VALUE};
		contentPanel.setLayout(gbl_contentPanel);
		{
			JLabel lblBitteWarten = new JLabel("Bitte warten...");
			lblBitteWarten.setFont(new Font("Lucida Grande", Font.PLAIN, 32));
			GridBagConstraints gbc_lblBitteWarten = new GridBagConstraints();
			gbc_lblBitteWarten.insets = new Insets(0, 0, 5, 0);
			gbc_lblBitteWarten.gridx = 0;
			gbc_lblBitteWarten.gridy = 0;
			contentPanel.add(lblBitteWarten, gbc_lblBitteWarten);
		}
		{
			JLabel lblGesamtfortschritt = new JLabel("Gesamtfortschritt:");
			GridBagConstraints gbc_lblGesamtfortschritt = new GridBagConstraints();
			gbc_lblGesamtfortschritt.insets = new Insets(0, 0, 5, 0);
			gbc_lblGesamtfortschritt.gridx = 0;
			gbc_lblGesamtfortschritt.gridy = 1;
			contentPanel.add(lblGesamtfortschritt, gbc_lblGesamtfortschritt);
		}
		{
			pGesamt = new JProgressBar();
			GridBagConstraints gbc_pGesamt = new GridBagConstraints();
			gbc_pGesamt.insets = new Insets(0, 0, 5, 0);
			gbc_pGesamt.fill = GridBagConstraints.HORIZONTAL;
			gbc_pGesamt.gridx = 0;
			gbc_pGesamt.gridy = 2;
			contentPanel.add(pGesamt, gbc_pGesamt);
		}
		{
			lblSchritt = new JLabel("Arbeitsschritt:");
			GridBagConstraints gbc_lblSchritt = new GridBagConstraints();
			gbc_lblSchritt.insets = new Insets(0, 0, 5, 0);
			gbc_lblSchritt.gridx = 0;
			gbc_lblSchritt.gridy = 3;
			contentPanel.add(lblSchritt, gbc_lblSchritt);
		}
		{
			pSchritt = new JProgressBar();
			GridBagConstraints gbc_pSchritt = new GridBagConstraints();
			gbc_pSchritt.insets = new Insets(0, 0, 5, 0);
			gbc_pSchritt.fill = GridBagConstraints.HORIZONTAL;
			gbc_pSchritt.gridx = 0;
			gbc_pSchritt.gridy = 4;
			contentPanel.add(pSchritt, gbc_pSchritt);
		}
		{
			JPanel panel = new JPanel();
			panel.setBorder(new TitledBorder(null, "Status", TitledBorder.LEADING, TitledBorder.TOP, null, null));
			GridBagConstraints gbc_panel = new GridBagConstraints();
			gbc_panel.fill = GridBagConstraints.BOTH;
			gbc_panel.gridx = 0;
			gbc_panel.gridy = 5;
			contentPanel.add(panel, gbc_panel);
			GridBagLayout gbl_panel = new GridBagLayout();
			gbl_panel.columnWidths = new int[]{0, 0};
			gbl_panel.rowHeights = new int[]{0, 0};
			gbl_panel.columnWeights = new double[]{1.0, Double.MIN_VALUE};
			gbl_panel.rowWeights = new double[]{1.0, Double.MIN_VALUE};
			panel.setLayout(gbl_panel);
			{
				taStatus = new JTextArea();
				GridBagConstraints gbc_taStatus = new GridBagConstraints();
				gbc_taStatus.fill = GridBagConstraints.BOTH;
				gbc_taStatus.gridx = 0;
				gbc_taStatus.gridy = 0;
				panel.add(taStatus, gbc_taStatus);
			}
		}
	}


	public int getOperationResult() {
		return operationResult;
	}


	public void setOperationResult(int operationResult) {
		this.operationResult = operationResult;
	}


	@Override
	public void threadedOperationUpdate(ThreadedOperationUpdateArgs args) {
		if (args.getProgressOperation()!=null)
			pGesamt.setValue(args.getProgressOperation());
		if (args.getProgressStep()!=null)
			pSchritt.setValue(args.getProgressStep());
		if (args.getStepLabel()!=null)
			lblSchritt.setText(args.getStepLabel());
		if (args.getStatusText()!=null)
			taStatus.setText(args.getStatusText());
		if (args.getTitleText()!=null)
			setTitle(args.getTitleText());
	}


	@Override
	public void threadedOperationFinished(int result) {
		operationResult = result;
		operationFinished = true;
		setVisible(false);
	}

}