/*
    *  
    *  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 <http://www.gnu.org/licenses/> 
   *
   */
  
  package org.fosstrak.llrp.commander.dialogs;
  
  import org.eclipse.jface.dialogs.Dialog;
  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.graphics.Color;
  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.Shell;
  import org.eclipse.swt.widgets.Text;
  import org.fosstrak.llrp.adaptor.AdaptorManagement;
  import org.fosstrak.llrp.adaptor.ReaderMetaData;
  
  /**
   * models a dialog to set the options for the message box view.
   * @author sawielan
   *
   */
  public class ReaderSettingsDialog extends Dialog {
  	
  	private String reader;
  	private String adaptor;
  
  	/**
  	 * create a new options dialog. 
  	 * @param aShell Shell instance.
  	 * @param adaptor a name of the adapter where the reader belongs to.
  	 * @param reader the name of the reader to display the settings of.
  	 */
  	public ReaderSettingsDialog(Shell aShell, String adaptor, String reader) {
  		super(aShell);
  		this.adaptor = adaptor;
  		this.reader = reader;
  	}
  		
  	/**
  	 * Create GUI elements in the dialog.
  	 */
  	protected Control createContents(Composite parent) {
  	
  		GridLayout layout = new GridLayout();
  		layout.numColumns = 2;
  		
  		parent.getShell().setLayout(layout);
  		parent.getShell().setText("Messagebox View Options");
  		
  		GridData gridAll = new GridData(GridData.FILL_BOTH);
  		gridAll.verticalSpan = 1;
  		gridAll.horizontalSpan = 2;
  		
  		final Button logKAMsg = new Button(parent, SWT.CHECK);
  		logKAMsg.setText("Log Keep-Alive Messages");
  		// we need to create a special grid data object for the check-box 
  		// without width-hint as otherwise the check-box will not be displayed 
  		// in *nix ...
  		GridData gridDataKAMsg = new GridData();
  		gridDataKAMsg.horizontalSpan = 2;
  		logKAMsg.setLayoutData(gridDataKAMsg);
  		
  		try {
  			logKAMsg.setSelection(
  					AdaptorManagement.getInstance().getAdaptor(adaptor).
  						getReader(reader).isReportKeepAlive());
  		} catch (Exception e) {
  			e.printStackTrace();
  			logKAMsg.setSelection(false);
  		} 
  		
  
  		try {
  			ReaderMetaData metaData = AdaptorManagement.getInstance().
  				getAdaptor(adaptor).getReader(reader).getMetaData();
 			
 			final Text[] txts = new Text[14];
 			final Label[] lbls = new Label[14];
 			int i=0;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Reader Name:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(metaData.getReaderName());
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Reader Address:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(metaData.getReaderAddress());
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Port:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%d", metaData.getPort()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Is Alive:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%b", metaData.isAlive()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Connected to Reader:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%b", metaData.isConnected()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Connect immediately:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%b", metaData.isConnectImmediately()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Client initiated:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%b", metaData.isClientInitiated()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Report Keepalive:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%b", metaData.isReportKeepAlive()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Packages sent:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%d", metaData.getPackagesSent()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Packages received:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%d", metaData.getPackagesReceived()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Packages Current Session sent:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%d", metaData.getPackagesCurrentSessionSent()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Packages Current Session received:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%d", metaData.getPackagesCurrentSessionReceived()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Allowed Keepalive misses:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%d", metaData.getAllowNKeepAliveMisses()));
 			i++;
 			
 			lbls[i] = new Label(parent, SWT.NONE);
 			lbls[i].setText("Keepalive Period:");
 			txts[i] = new Text(parent, SWT.NONE);
 			txts[i].setText(String.format("%d", metaData.getKeepAlivePeriod()));
 			
 			if (null != txts) {
 				Color color = getShell().getDisplay().getSystemColor(
 						SWT.COLOR_WHITE);
 				for (int j=0; j<txts.length; j++) {
 					if (null != txts[j]) {
 						txts[j].setEditable(false);
 						txts[j].setFont(parent.getFont());
 						txts[j].setBackground(color);
 					}
 				}
 			}
 			if (null != lbls) {
 				for (int j=0; j<lbls.length; j++) {
 					if (null != lbls[j]) {
 						lbls[j].setFont(parent.getFont());
 					}
 				}
 			}
 		} catch (Exception ex) {
 			ex.printStackTrace();
 		}
 
 		Composite buttonGroup = new Composite(parent, SWT.NONE);
 		buttonGroup.setFont(parent.getFont());
 		buttonGroup.setLayout(layout);
 
 		final Button btnOK = new Button(buttonGroup, SWT.PUSH);
 		btnOK.setText("OK");
 		// set the keyboard focus
 		btnOK.setFocus();
 		btnOK.setFont(parent.getFont());
 		GridData gd = new GridData();
 		gd.widthHint = 75;
 		btnOK.setLayoutData(gd);
 		
 		btnOK.addSelectionListener(new SelectionAdapter() {
 		      public void widgetSelected(SelectionEvent e) {
 	    			try {
 	    				AdaptorManagement.getInstance().getAdaptor(adaptor).
 	    					getReader(reader).setReportKeepAlive(logKAMsg.getSelection());
 	    			} catch (Exception e1) {
 	    				e1.printStackTrace();
 	    				logKAMsg.setSelection(false);
 	    			}
 					setReturnCode(Window.OK);
 					close();
 		      }
 		    });
 
 		
 		final Button btnCancel = new Button(buttonGroup, SWT.PUSH);
 		btnCancel.setText("Cancel");
 		btnCancel.addSelectionListener(new SelectionAdapter() {
 		      public void widgetSelected(SelectionEvent e) {
 		    	  setReturnCode(Window.CANCEL);
 		    	  close();
 		      }
 		    });
 		btnCancel.setFont(parent.getFont());
 		btnCancel.setLayoutData(gd);
 		
 		parent.pack();
 		return parent;
 	}
 }