Preferences.java

package ch.elexis.connect.reflotron;

import java.nio.charset.Charset;
import java.util.Set;

import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

import ch.elexis.core.data.activator.CoreHub;
import ch.elexis.core.ui.preferences.SettingsPreferenceStore;
import ch.elexis.core.ui.importer.div.rs232.Connection;
import ch.elexis.core.ui.util.SWTHelper;

public class Preferences extends PreferencePage implements IWorkbenchPreferencePage {
	
	public static final String REFLOTRON_BASE = "connectors/reflotron/"; //$NON-NLS-1$
	public static final String PORT = REFLOTRON_BASE + "port"; //$NON-NLS-1$
	public static final String TIMEOUT = REFLOTRON_BASE + "timeout"; //$NON-NLS-1$
	public static final String PARAMS = REFLOTRON_BASE + "params"; //$NON-NLS-1$
	public static final String LOG = REFLOTRON_BASE + "log"; //$NON-NLS-1$
	public static final String BACKGROUND = REFLOTRON_BASE + "background"; //$NON-NLS-1$
	public static final String ENCODING = REFLOTRON_BASE + "encoding"; //$NON-NLS-1$
	
	Combo ports, encoding;
	Text speed, data, stop, timeout, logFile;
	Button parity, log, background;
	
	public Preferences(){
		super(Messages.getString("ReflotronSprintAction.ButtonName")); //$NON-NLS-1$
		setPreferenceStore(new SettingsPreferenceStore(CoreHub.localCfg));
	}
	
	@Override
	protected Control createContents(final Composite parent){
		String[] param = CoreHub.localCfg.get(PARAMS, "9600,8,n,1").split(","); //$NON-NLS-1$ //$NON-NLS-2$
		
		Composite ret = new Composite(parent, SWT.NONE);
		ret.setLayout(new GridLayout(2, false));
		ret.setLayoutData(SWTHelper.getFillGridData(1, true, 1, true));
		
		Label lblPorts = new Label(ret, SWT.NONE);
		lblPorts.setText(Messages.getString("Preferences.Port")); //$NON-NLS-1$
		lblPorts.setLayoutData(new GridData(SWT.NONE));
		ports = new Combo(ret, SWT.SINGLE);
		ports.setItems(Connection.getComPorts());
		ports.setText(CoreHub.localCfg.get(PORT,
			Messages.getString("ReflotronSprintAction.DefaultPort"))); //$NON-NLS-1$
		
		Label lblEncoding = new Label(ret, SWT.NONE);
		lblEncoding.setText("Daten-Encoding"); //$NON-NLS-1$
		lblEncoding.setLayoutData(new GridData(SWT.NONE));
		encoding = new Combo(ret, SWT.SINGLE);
		Set<String> availableCharsets = Charset.availableCharsets().keySet();
		String[] charsetArray = new String[availableCharsets.size()];
		int i = 0;
		for (String charset : availableCharsets) {
			charsetArray[i] = charset;
			i++;
		}
		encoding.setItems(charsetArray);
		encoding.setText(CoreHub.localCfg.get(ENCODING, Charset.defaultCharset().displayName()));
		
		Label lblSpeed = new Label(ret, SWT.NONE);
		lblSpeed.setText(Messages.getString("Preferences.Baud")); //$NON-NLS-1$
		lblSpeed.setLayoutData(new GridData(SWT.NONE));
		speed = new Text(ret, SWT.BORDER);
		speed.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		speed.setText(param[0]);
		
		Label lblData = new Label(ret, SWT.NONE);
		lblData.setText(Messages.getString("Preferences.Databits")); //$NON-NLS-1$
		lblData.setLayoutData(new GridData(SWT.NONE));
		data = new Text(ret, SWT.BORDER);
		data.setText(param[1]);
		
		Label lblParity = new Label(ret, SWT.NONE);
		lblParity.setText(Messages.getString("Preferences.Parity")); //$NON-NLS-1$
		lblParity.setLayoutData(new GridData(SWT.NONE));
		parity = new Button(ret, SWT.CHECK);
		parity.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		parity.setSelection(!param[2].equalsIgnoreCase("n")); //$NON-NLS-1$
		
		Label lblStop = new Label(ret, SWT.NONE);
		lblStop.setText(Messages.getString("Preferences.Stopbits")); //$NON-NLS-1$
		lblStop.setLayoutData(new GridData(SWT.NONE));
		stop = new Text(ret, SWT.BORDER);
		stop.setText(param[3]);
		
		Label lblTimeout = new Label(ret, SWT.NONE);
		lblTimeout.setText(Messages.getString("Preferences.Timeout")); //$NON-NLS-1$
		lblTimeout.setLayoutData(new GridData(SWT.NONE));
		String timeoutStr =
			CoreHub.localCfg.get(TIMEOUT, Messages.getString("ReflotronSprintAction.DefaultTimeout")); //$NON-NLS-1$
		timeout = new Text(ret, SWT.BORDER);
		timeout.setText(timeoutStr);
		
		new Label(ret, SWT.NONE).setText(Messages.getString("Preferences.Backgroundprocess")); //$NON-NLS-1$
		background = new Button(ret, SWT.CHECK);
		background.setSelection(CoreHub.localCfg.get(BACKGROUND, "n").equalsIgnoreCase("y")); //$NON-NLS-1$ //$NON-NLS-2$
		
		new Label(ret, SWT.NONE).setText(Messages.getString("Preferences.Log")); //$NON-NLS-1$
		log = new Button(ret, SWT.CHECK);
		log.setSelection(CoreHub.localCfg.get(LOG, "n").equalsIgnoreCase("y")); //$NON-NLS-1$ //$NON-NLS-2$
		
		return ret;
	}
	
	public void init(final IWorkbench workbench){
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public boolean performOk(){
		StringBuilder sb = new StringBuilder();
		sb.append(speed.getText()).append(",").append(data.getText()).append( //$NON-NLS-1$
			",").append(parity.getSelection() ? "y" : "n").append(",") //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
			.append(stop.getText());
		CoreHub.localCfg.set(PARAMS, sb.toString());
		CoreHub.localCfg.set(PORT, ports.getText());
		CoreHub.localCfg.set(ENCODING, encoding.getText());
		CoreHub.localCfg.set(TIMEOUT, timeout.getText());
		CoreHub.localCfg.set(LOG, log.getSelection() ? "y" : "n"); //$NON-NLS-1$ //$NON-NLS-2$
		CoreHub.localCfg.set(BACKGROUND, background.getSelection() ? "y" : "n"); //$NON-NLS-1$ //$NON-NLS-2$
		CoreHub.localCfg.flush();
		return super.performOk();
	}
}