/*******************************************************************************
 * Copyright (c) 2010 - 2013 by Timotei Dolean <timotei21@gmail.com>
 * 
 * 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
 *******************************************************************************/
package org.wesnoth.ui.syntax;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.xtext.ui.editor.syntaxcoloring.DefaultHighlightingConfiguration;
import org.eclipse.xtext.ui.editor.syntaxcoloring.IHighlightingConfigurationAcceptor;
import org.eclipse.xtext.ui.editor.utils.TextStyle;

import org.wesnoth.ui.Messages;

/**
 * Configures part of the WML highlighting
 */
public class WMLHighlightingConfiguration extends
    DefaultHighlightingConfiguration
{
    /**
     * Coloring for WML Tags
     */
    public static final String RULE_WML_TAG          = "wmlTag";        //$NON-NLS-1$
    /**
     * Coloring for WML Keys
     */
    public static final String RULE_WML_KEY          = "wmlKey";        //$NON-NLS-1$
    /**
     * Coloring for WML Macro Calls
     */
    public static final String RULE_WML_MACRO_CALL   = "wmlMacroCall";  //$NON-NLS-1$

    /**
     * Coloring for WML Macro definitions
     */
    public static final String RULE_WML_MACRO_DEFINE = "wmlMacroDefine"; //$NON-NLS-1$
    /**
     * Coloring for WML preprocessor if
     */
    public static final String RULE_WML_IF           = "wmlIF";         //$NON-NLS-1$
    /**
     * Coloring for WML Textdomain definitions
     */
    public static final String RULE_WML_TEXTDOMAIN   = "wmlTextdomain"; //$NON-NLS-1$

    /**
     * Coloring for start/end tag match
     */
    public static final String RULE_MATCH_TAG        = "wmlMatchTag";   //$NON-NLS-1$

    @Override
    public void configure( IHighlightingConfigurationAcceptor acceptor )
    {
        super.configure( acceptor );
        acceptor.acceptDefaultHighlighting( RULE_WML_TAG,
            Messages.WMLHighlightingConfiguration_7, tagTextStyle( ) );
        acceptor.acceptDefaultHighlighting( RULE_WML_KEY,
            Messages.WMLHighlightingConfiguration_8, keyTextStyle( ) );
        acceptor.acceptDefaultHighlighting( RULE_WML_MACRO_CALL,
            Messages.WMLHighlightingConfiguration_9, macroTextStyle( ) );

        acceptor.acceptDefaultHighlighting( RULE_MATCH_TAG,
            Messages.WMLHighlightingConfiguration_10, startEndTextStyle( ) );

        // preproc
        acceptor.acceptDefaultHighlighting( RULE_WML_MACRO_DEFINE,
            Messages.WMLHighlightingConfiguration_11, preprocTextStyle( ) );
        acceptor.acceptDefaultHighlighting( RULE_WML_IF,
            Messages.WMLHighlightingConfiguration_12, preprocTextStyle( ) );
        acceptor.acceptDefaultHighlighting( RULE_WML_TEXTDOMAIN,
            Messages.WMLHighlightingConfiguration_13, preprocTextStyle( ) );
    }

    private TextStyle preprocTextStyle( )
    {
        TextStyle textStyle = defaultTextStyle( ).copy( );
        textStyle.setColor( new RGB( 31, 209, 241 ) );
        textStyle.setStyle( SWT.BOLD );
        return textStyle;
    }

    private TextStyle macroTextStyle( )
    {
        TextStyle textStyle = defaultTextStyle( ).copy( );
        textStyle.setColor( new RGB( 197, 137, 23 ) );
        textStyle.setStyle( SWT.ITALIC );
        return textStyle;
    }

    private TextStyle startEndTextStyle( )
    {
        TextStyle textStyle = defaultTextStyle( ).copy( );
        textStyle.setColor( new RGB( 128, 128, 128 ) );
        textStyle.setBackgroundColor( new RGB( 128, 0, 0 ) );
        textStyle.setStyle( SWT.BOLD | SWT.ITALIC );
        return textStyle;
    }

    private TextStyle tagTextStyle( )
    {
        TextStyle textStyle = defaultTextStyle( ).copy( );
        textStyle.setColor( new RGB( 128, 0, 0 ) );
        textStyle.setStyle( SWT.BOLD );
        return textStyle;
    }

    private TextStyle keyTextStyle( )
    {
        TextStyle textStyle = defaultTextStyle( ).copy( );
        textStyle.setColor( new RGB( 0, 128, 128 ) );
        textStyle.setStyle( SWT.BOLD );
        return textStyle;
    }
}