/*******************************************************************************
 * Copyright (c) 2007- VTT Technical Research Centre of Finland.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.processeditor.dialogs;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class PipelineDialog extends Dialog implements KeyListener{
	Text pipeRadiusText;
	Text turnRadiusText;
	
	double pipeDiameter = 0.0;
	double turnRadius = 0.0;
	
	public PipelineDialog(Shell parentShell) {
		super(parentShell);
	}
	
	public PipelineDialog(Shell parentShell, double pipeRadius, double turnRadius) {
		super(parentShell);
		this.pipeDiameter = pipeRadius;
		this.turnRadius = turnRadius;
	}

	
	@Override
	protected void configureShell(Shell newShell) {
		super.configureShell(newShell);
		newShell.setText("Configure new pipeline");
	}
	
	@Override
	protected Control createDialogArea(Composite parent) {
		Composite composite = (Composite) super.createDialogArea(parent);
		Label label = new Label(composite, SWT.WRAP);
        label.setText("Input pipeline specifications");
        GridData data = new GridData(GridData.GRAB_HORIZONTAL
                | GridData.GRAB_VERTICAL | GridData.HORIZONTAL_ALIGN_FILL
                | GridData.VERTICAL_ALIGN_CENTER);
		
        data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
        label.setLayoutData(data);
        label.setFont(parent.getFont());
        label = new Label(composite, SWT.WRAP);
        label.setText("Pipe diameter");
        label.setLayoutData(data);
        label.setFont(parent.getFont());
        pipeRadiusText = new Text(composite,SWT.BORDER);
        pipeRadiusText.setLayoutData(data);
        label = new Label(composite, SWT.WRAP);
        label.setText("Pipe elbow/turn radius");
        label.setLayoutData(data);
        label.setFont(parent.getFont());
        turnRadiusText = new Text(composite,SWT.BORDER);
		turnRadiusText.setLayoutData(data);
		
		pipeRadiusText.addKeyListener(this);
		turnRadiusText.addKeyListener(this);
		if (pipeDiameter > 0.0 && turnRadius > 0.0) {
			pipeRadiusText.setText(Double.toString(pipeDiameter));
			turnRadiusText.setText(Double.toString(turnRadius));
		}
			
		
		return composite;
	}
	
	@Override
	public int open() {
		return super.open();
	}
	
	
	
	
	public void keyPressed(KeyEvent e) {
		
		
	}
	
	public void keyReleased(KeyEvent e) {
		boolean ok = true;
		try {
			pipeDiameter = Double.parseDouble(pipeRadiusText.getText());
			turnRadius = Double.parseDouble(turnRadiusText.getText());
			if (pipeDiameter <= 0.0)
				ok = false;
			if (turnRadius <= 0.0)
				ok = false;
			
		} catch (NumberFormatException err) {
			ok = false;
		}
		if (ok) {
			this.getButton(IDialogConstants.OK_ID).setEnabled(true);
		} else {
			this.getButton(IDialogConstants.OK_ID).setEnabled(false);
		}
	}


	public double getPipeDiameter() {
		return pipeDiameter;
	}


	public double getTurnRadius() {
		return turnRadius;
	}


	
	
	
}