package org.eparapher.rcp.preferences;

import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.DirectoryFieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.SWT;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eparapher.core.EParapherManager;
import org.eparapher.rcp.Activator;
import org.eparapher.rcp.tools.RCPSettings;

public class SignaturePreferencePage extends FieldEditorPreferencePage implements
		IWorkbenchPreferencePage {
	
	public static final String ID = "org.eparapher.rcp.preferences.SignaturePreferencePage";
	
	BooleanFieldEditor addCRLs;
	DirectoryFieldEditor crlCacheDirectory;
	
	BooleanFieldEditor addTimestamp;
	StringFieldEditor timestampServers;
	
	public SignaturePreferencePage() {
		super(GRID);
		setPreferenceStore(Activator.getDefault().getPreferenceStore());
		setDescription("Set your default signature settings");
	}

	@Override
	protected void createFieldEditors() {
		
		addCRLs = new BooleanFieldEditor(PreferenceConstants.P_SIG_ADD_CRL,"&Add Certificates CRLs to the signed document.", SWT.NONE, getFieldEditorParent());
		addCRLs.setEnabled(false, getFieldEditorParent());
		addField(addCRLs);
		//crlCacheDirectory = new DirectoryFieldEditor(PreferenceConstants.P_SIG_TS_SERVERS,"CRLs Cache directory: ", getFieldEditorParent());
		//addField(crlCacheDirectory);
		
		
		addTimestamp = new BooleanFieldEditor(PreferenceConstants.P_SIG_ADD_TIMESTAMP,"&Add Timestamp to the signed document.", SWT.NONE, getFieldEditorParent());
		addTimestamp.setEnabled(false, getFieldEditorParent());
		addField(addTimestamp);
		
		timestampServers = new StringFieldEditor(PreferenceConstants.P_SIG_TS_SERVERS,"Timestamp servers URL : ", getFieldEditorParent());
		timestampServers.setEnabled(false, getFieldEditorParent());
		addField(timestampServers);
		
		switchTSServers(EParapherManager.getInstance().getSettings().isTimestampedSignature());
	}

	private void switchTSServers(Boolean newval) {
		if (newval.equals("true")) {
			timestampServers.setEnabled(true, getFieldEditorParent());
		} else {
			timestampServers.setEnabled(false, getFieldEditorParent());
		}
	}

	public void init(IWorkbench workbench) {
		
	}

	public void propertyChange(PropertyChangeEvent event) {
		super.propertyChange(event);
		String selectedvalue    = (String) event.getNewValue().toString();
		String oldselectedvalue = (String) event.getOldValue().toString();
		//eParapherTools.debugMessage("old : '" + oldselectedvalue  + "'    new : '" + selectedvalue +"'     source : "  + event.getSource().toString());
		if (!selectedvalue.equals(oldselectedvalue)) {
			if (event.getSource() instanceof BooleanFieldEditor) {
				BooleanFieldEditor changedbfe = (BooleanFieldEditor) event.getSource();
				String prefname = changedbfe.getPreferenceName();
				//If not overwriting file, can access extention
				if (prefname.equals(PreferenceConstants.P_SIG_ADD_TIMESTAMP))
					switchTSServers(selectedvalue.equals("true"));
			}
		}
	}

}