org.fosstrak.llrp.commander.dialogs.ConnectDialog Maven / Gradle / Ivy

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/*
 *  
 *  Fosstrak LLRP Commander (www.fosstrak.org)
 * 
 *  Copyright (C) 2008 ETH Zurich
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see  
 *
 */

package org.fosstrak.llrp.commander.dialogs;

import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

/**
 * superclass for all the connect dialogs. all subclasses have to instantiate 
 * the two members FIELDS and DEFAULTS as arrays providing the labels and the 
 * default values for the fields available. 

 * 

 * FIELDS = new String[]{ "test", "me" };

 * DEFAULTS = new String [] { "myTestDefault", "memuuDefault" };

 * will create two fields with labels "test" and "me" with the respective 
 * default values.
 * 
 * @author sawielan
 *
 */
public abstract class ConnectDialog extends org.eclipse.jface.dialogs.Dialog {
	
	/** the label of the fields. */
	public String [] FIELDS;
	
	/** the default values for the fields. */
	public String [] DEFAULTS;
	
	/** the values collected from the fields. */
	public String [] values;
	
	/** the text fields. */
	protected Text []txts;
	
	/** the caption. */
	protected final String caption;
	
	/** the grid settings for the label fields. */
	protected GridData gridLabel = new GridData(GridData.FILL_BOTH);
	
	/** the grid settings for the text fields. */
	protected GridData gridText = new GridData(GridData.FILL_BOTH);
	
	/** the grid settings for a horizontal filler. */
	protected GridData gridAll = new GridData(GridData.FILL_BOTH);
	
	/**
	 * create a new connect dialog.
	 * @param shell the parent shell.
	 * @param caption the caption for the dialog.
	 */
	public ConnectDialog(Shell shell, String caption) {
		super(shell);
		this.caption = caption;
	}
	
	/**
	 * sets the layout for the dialog.
	 * @param parent the parent where to set the layout.
	 */
	protected void setLayout(Composite parent) {
		GridLayout layout = new GridLayout();
		layout.numColumns = 3;
		
		gridLabel.verticalSpan = 1;
		gridLabel.horizontalSpan = 1;
		gridLabel.widthHint=100;
		gridLabel.heightHint = 20;

		gridText.verticalSpan = 1;
		gridText.horizontalSpan = 2;
		gridText.widthHint=200;	
		gridText.heightHint = 20;

		gridAll.verticalSpan = 1;
		gridAll.horizontalSpan = 3;
		gridAll.heightHint = 20;
		
		parent.getShell().setLayout(layout);
		parent.getShell().setText(caption);
	}
	
	/**
	 * registers listeners to the text fields with the OK button as the parent.
	 * @param btnOK the ok button to use as parent.
	 */
	protected void registerTextFieldListeners(Button btnOK) {
		// add the selection listeners.
		for (int i=0; i