/*******************************************************************************
 * Copyright (c) 2014 Formal Mind GmbH, University of Duesseldorf and others.
 * 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:
 *     Michael Jastram - initial API and implementation
 *******************************************************************************/
package org.eclipse.rmf.reqif10.pror.editor.preferences;

import java.util.Map;

import org.eclipse.jface.preference.ComboFieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.rmf.reqif10.pror.configuration.ProrPresentationConfiguration;
import org.eclipse.rmf.reqif10.pror.edit.presentation.service.PresentationInterface;
import org.eclipse.rmf.reqif10.pror.editor.presentation.Reqif10EditorPlugin;
import org.eclipse.rmf.reqif10.pror.editor.presentation.service.PresentationServiceManager;
import org.eclipse.rmf.reqif10.pror.util.ProrUtil;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

public class ProrDefaultPresentationPage extends FieldEditorPreferencePage
		implements IWorkbenchPreferencePage {

	@Override
	protected void createFieldEditors() {
		setField(PreferenceConstants.P_DEFAULT_PRESENTATION_STRING, "String");
		setField(PreferenceConstants.P_DEFAULT_PRESENTATION_XHTML, "XHTML");
		setField(PreferenceConstants.P_DEFAULT_PRESENTATION_REAL, "Real");
		setField(PreferenceConstants.P_DEFAULT_PRESENTATION_INTEGER, "Integer");
		setField(PreferenceConstants.P_DEFAULT_PRESENTATION_ENUMERATION,
				"Enumeration");
		setField(PreferenceConstants.P_DEFAULT_PRESENTATION_BOOLEAN, "Boolean");
		setField(PreferenceConstants.P_DEFAULT_PRESENTATION_DATE, "Date");
	}

	private void setField(String fieldName, String label) {
		addField(new ComboFieldEditor(fieldName, label,
				getEntryNamesAndValues(), getFieldEditorParent()));
	}

	private String[][] getEntryNamesAndValues() {
		Map<Class<? extends ProrPresentationConfiguration>, PresentationInterface> presentationMap = PresentationServiceManager
				.getPresentationInterfaceMap();
		String[][] result = new String[presentationMap.size() + 2][2];
		result[0][0] = "None";
		result[0][1] = "";
		result[1][0] = "Use Build-in";
		result[1][1] = PreferenceConstants.P_DEFAULT_PRESENTATION_BUILD_IN;
		int i = 2;
		for (@SuppressWarnings("rawtypes")
		Class key : presentationMap.keySet()) {
			result[i][0] = ProrUtil.substractPrefixPostfix(key,
					"", "ConfigurationImpl");
			result[i][1] = key.getCanonicalName();
			i++;
		}
		return result;
	}

	@Override
	public boolean performOk() {
		PresentationServiceManager.clearDefaultRenderers();
		return super.performOk();
	}

	public void init(IWorkbench workbench) {
		// Set preference store
		setPreferenceStore(Reqif10EditorPlugin.getPlugin().getPreferenceStore());
		setDescription("IMPORTANT: currently, no test with respect to type mismatch is performed.");
	}

}