package org.eparapher.rcp.preferences;

import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.FileFieldEditor;
import org.eclipse.jface.preference.PathEditor;
import org.eclipse.jface.preference.RadioGroupFieldEditor;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eparapher.core.EParapherManager;
import org.eparapher.rcp.Activator;
import org.eparapher.rcp.EPReferences;


/**
 * This class represents a preference page that
 * is contributed to the Preferences dialog. By 
 * subclassing <samp>FieldEditorPreferencePage</samp>, we
 * can use the field support built into JFace that allows
 * us to create a page that is small and knows how to 
 * save, restore and apply itself.
 * <p>
 * This page is used to modify preferences only. They
 * are stored in the preference store that belongs to
 * the main plug-in class. That way, preferences can
 * be accessed directly via the preference store.
 */

public class EParapherPreferencePage
	extends FieldEditorPreferencePage
	implements IWorkbenchPreferencePage {
	
	private static Logger log = Logger.getLogger(EParapherPreferencePage.class);
	
	public static final String ID = "org.eparapher.rcp.preferences.EParapherPreferencePage";

	private final static String[][] LoglevelFamilies = { { "OFF",         Level.OFF.toString()    },
														 { "FATAL",       Level.FATAL.toString()  },
														 { "ERROR",       Level.ERROR.toString()  },
														 { "WARNING",     Level.WARN.toString()   },
														 { "INFO",        Level.INFO.toString()   },
														 { "DEBUG",       Level.DEBUG.toString()  },
														 { "ALL",         Level.ALL.toString()    } };

	PathEditor 			 localdocspath;
	FileFieldEditor      localpsafepath;
	RadioGroupFieldEditor loglevel;
	
	public EParapherPreferencePage() {
		super(GRID);
		setPreferenceStore(Activator.getDefault().getPreferenceStore());
		setDescription("eParapher Configuration");
	}

	/**
	 * Creates the field editors. Field editors are abstractions of
	 * the common GUI blocks needed to manipulate various types
	 * of preferences. Each field editor knows how to save and
	 * restore itself.
	 */
	public void createFieldEditors() {
		
		localdocspath = new PathEditor(PreferenceConstants.P_LOCALDOCPATH, "&Local documents Directories :", "Choose a Path", getFieldEditorParent());
		addField(localdocspath);
		
		//localpsafepath   = new FileFieldEditor( PreferenceConstants.P_LOCALPSAFEPATH, "&Local Personal Safe :", getFieldEditorParent());
		//localpsafepath.setEnabled(false, getFieldEditorParent());
		//localpsafepath.setStringValue("Not implemented yet");
		//addField(localpsafepath);

		loglevel = new RadioGroupFieldEditor( PreferenceConstants.P_LOGLEVEL,"&eParapher Log level : ", 7, LoglevelFamilies, getFieldEditorParent(), true);
		addField(loglevel);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
	 */
	public void init(IWorkbench workbench) {
		
	}

    public boolean performOk() {
    	
    	//First, save properties
    	boolean save = super.performOk();
    	
    	//Hot reset for Log4J
    	EParapherManager.setLogLevel(EParapherManager.getInstance().getSettings().getEPLogLevel());
    	
    	//Refresh document view
    	if (EPReferences.getInstance().getDocviews()!=null)
    		EPReferences.getInstance().getDocviews().refreshView();
    	
        return save;
    }
}