/*******************************************************************************
 * Copyright (c) 2001, 2004 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *     Jens Lukowski/Innoopract - initial renaming/restructuring
 *     
 *******************************************************************************/
package org.eclipse.wst.sse.core.internal.encoding.ui;

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.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.wst.sse.core.internal.encoding.CommonEncodingPreferenceNames;
import org.eclipse.wst.sse.core.internal.encoding.util.CodedResourcePlugin;

/**
 * @deprecated - this should not be handled by the platform and not WTP
 */

public class EncodingPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
	Button fUse3ByteBOMWithUTF8CheckBox = null;

	private Button createCheckBox(Composite parent, String label) {
		Button button = new Button(parent, SWT.CHECK | SWT.LEFT | SWT.WRAP);
		button.setText(label);

		boolean selection = CodedResourcePlugin.getDefault().getPluginPreferences().getBoolean(CommonEncodingPreferenceNames.USE_3BYTE_BOM_WITH_UTF8);
		button.setSelection(selection);

		return button;
	}

	private Composite createComposite(Composite parent) {
		Composite composite = new Composite(parent, SWT.NONE);

		//GridLayout
		GridLayout layout = new GridLayout(1, true);
		composite.setLayout(layout);

		//GridData
		GridData data = new GridData(GridData.FILL_BOTH);
		composite.setLayoutData(data);

		return composite;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
	 */
	protected Control createContents(Composite parent) {
		Composite composite = createComposite(parent);

		String description = CodedResourcePlugin.getResourceString("%EncodingPreferencePage.0"); //$NON-NLS-1$
		
		// ISSUE: the following to lines look redundant, 
		// not sure what was trying to be accomplished. 
		// May be dead code. 
		createLabel(composite, description);
		createLabel(composite, ""); //$NON-NLS-1$

		String checkBoxLabel = CodedResourcePlugin.getResourceString("%EncodingPreferencePage.1"); //$NON-NLS-1$
		fUse3ByteBOMWithUTF8CheckBox = createCheckBox(composite, checkBoxLabel);

		return composite;
	}

	private Label createLabel(Composite parent, String text) {
		Label label = new Label(parent, SWT.LEFT);
		label.setText(text);

		return label;
	}


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

	public void performDefaults() {
		boolean defaultSelection = CodedResourcePlugin.getDefault().getPluginPreferences().getDefaultBoolean(CommonEncodingPreferenceNames.USE_3BYTE_BOM_WITH_UTF8);
		fUse3ByteBOMWithUTF8CheckBox.setSelection(defaultSelection);
	}

	public boolean performOk() {
		CodedResourcePlugin.getDefault().getPluginPreferences().setValue(CommonEncodingPreferenceNames.USE_3BYTE_BOM_WITH_UTF8, fUse3ByteBOMWithUTF8CheckBox.getSelection());
		CodedResourcePlugin.getDefault().savePluginPreferences();

		return true;
	}
}