/*
 * (C) Copyright 2006 Nuxeo SAS <http://nuxeo.com>
 *
 * 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:
 *     Nuxeo - initial API and implementation
 */
package org.eparapher.rcp.preferences;

import org.apache.log4j.Logger;
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.core.tools.OODaemonManager;
import org.eparapher.rcp.Activator;


public class OpenOfficeEditorPreferences extends FieldEditorPreferencePage implements
		IWorkbenchPreferencePage {

	public static final String ID = "org.eparapher.rcp.preferences.OpenOfficeEditorPreferences";
	
	private static Logger log = Logger.getLogger(OpenOfficeEditorPreferences.class);
	
	DirectoryFieldEditor localopenofficepath;
	DirectoryFieldEditor localopenofficebinarypath;
	StringFieldEditor    openofficeoptions;
	BooleanFieldEditor   startOOfficeAtStartup;
	BooleanFieldEditor   useLocalOODaemon;
	StringFieldEditor    openfficeDaemonServerName;
	StringFieldEditor    openofficeDaemonServerPort;
	
	public OpenOfficeEditorPreferences() {
		super(GRID);
		
		setPreferenceStore(Activator.getDefault().getPreferenceStore());
		setDescription("Configuration for OpenOffice PDF Converter");
	}

	protected void createFieldEditors() {
		
		useLocalOODaemon = new BooleanFieldEditor(PreferenceConstants.P_OO_USELOCAL,"&Use Local OpenOffice Daemon.", SWT.NONE, getFieldEditorParent());
		addField(useLocalOODaemon);
		
		openfficeDaemonServerName = new StringFieldEditor( PreferenceConstants.P_OO_SERVERNAME, "OpenOffice daemon server &IP/DNS :", getFieldEditorParent());
		addField(openfficeDaemonServerName);
		
		openofficeDaemonServerPort = new StringFieldEditor( PreferenceConstants.P_OO_SERVERPORT, "OpenOffice daemon server &port :", getFieldEditorParent());
		addField(openofficeDaemonServerPort);
		
		startOOfficeAtStartup = new BooleanFieldEditor(PreferenceConstants.P_LOCALOO_AUTOSTART,"&Start OpenOffice daemon locally as a pdf converter when eParapher starts.", SWT.NONE, getFieldEditorParent());
		addField(startOOfficeAtStartup);
		
		localopenofficebinarypath = new DirectoryFieldEditor( PreferenceConstants.P_LOCALOOBINPATH, "Open Office &binary dir :", getFieldEditorParent());
		//String[] oofilefilter = {"soffice"};
		//localopenofficebinarypath.setFileExtensions(oofilefilter);
		addField(localopenofficebinarypath);
		
		localopenofficepath = new DirectoryFieldEditor( PreferenceConstants.P_LOCALOOLIBPATH, "Open Office &library dir :", getFieldEditorParent());
		addField(localopenofficepath);
		
		openofficeoptions = new StringFieldEditor( PreferenceConstants.P_LOCALOOOPTIONS, "Open Office daemon parameters :", getFieldEditorParent());
		openofficeoptions.setEnabled(false, getFieldEditorParent());
		openofficeoptions.setStringValue(OODaemonManager.getInstance().getsofficeParameters());
		addField(openofficeoptions);

		if (EParapherManager.getInstance().getSettings().useLocalOpenOffice()) {
			openfficeDaemonServerName.setEnabled(false, getFieldEditorParent());
			startOOfficeAtStartup.setEnabled(true, getFieldEditorParent());
			localopenofficebinarypath.setEnabled(true, getFieldEditorParent());
			localopenofficepath.setEnabled(true, getFieldEditorParent());
		} else {
			openfficeDaemonServerName.setEnabled(true, getFieldEditorParent());
			startOOfficeAtStartup.setEnabled(false, getFieldEditorParent());
			localopenofficebinarypath.setEnabled(false, getFieldEditorParent());
			localopenofficepath.setEnabled(false, getFieldEditorParent());
		}
	}

		public void propertyChange(PropertyChangeEvent event) {
		super.propertyChange(event);
		String selectedvalue    = (String) event.getNewValue().toString();
		String oldselectedvalue = (String) event.getOldValue().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_OO_USELOCAL))
					if (selectedvalue.equals("true")) {
						openfficeDaemonServerName.setEnabled(false, getFieldEditorParent());
						openfficeDaemonServerName.setStringValue("127.0.0.1");
						//openofficeDaemonServerPort.setEnabled(true, getFieldEditorParent());
						startOOfficeAtStartup.setEnabled(true, getFieldEditorParent());
						localopenofficebinarypath.setEnabled(true, getFieldEditorParent());
						localopenofficepath.setEnabled(true, getFieldEditorParent());
						openofficeoptions.setStringValue("Please click on Apply");
					} else {
						openfficeDaemonServerName.setEnabled(true, getFieldEditorParent());
						//openofficeDaemonServerPort.setEnabled(true, getFieldEditorParent());
						startOOfficeAtStartup.setEnabled(false, getFieldEditorParent());
						localopenofficebinarypath.setEnabled(false, getFieldEditorParent());
						localopenofficepath.setEnabled(false, getFieldEditorParent());
						openofficeoptions.setStringValue("Please click on Apply");
					}
			}
		}
	}
	public void init(IWorkbench workbench) {
	}
    public boolean performOk() {

    	//First, save properties
    	boolean save = super.performOk();

    	//TODO : verify if binary soffice or soffice.exe is in PreferenceConstants.P_LOCALOOBINPATH
		openofficeoptions.setStringValue(OODaemonManager.getInstance().getsofficeParameters());
		
    	//TODO : restart OO if needed
    	if (EParapherManager.getInstance().getSettings().isOpenOfficeAutostart()) {
    		OODaemonManager.getInstance().stop();
    	}
    	
        return save;
    }
}