/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.editor.html;

import java.awt.event.ActionEvent;
import javax.swing.Action;
import javax.swing.text.Document;
import javax.swing.text.TextAction;
import javax.swing.text.JTextComponent;

import org.netbeans.editor.*;
import org.netbeans.editor.ext.*;
import org.netbeans.editor.ext.html.*;

/**
* Editor kit implementation for HTML content type
*
* @author Miloslav Metelka
* @version 1.00
*/

public class HTMLKit extends org.netbeans.modules.editor.NbEditorKit {

    static final long serialVersionUID =-1381945567613910297L;

    public static final String HTML_MIME_TYPE = "text/html"; // NOI18N

    public static final String shiftInsertBreakAction = "shift-insert-break"; // NOI18N
    
    private static boolean setupReadersInitialized = false;


    public HTMLKit(){
        if (!setupReadersInitialized){
            NbReaderProvider.setupReaders();
            setupReadersInitialized = true;
        }
    }
    
    public String getContentType() {
        return HTML_MIME_TYPE;
    }

    protected void initDocument(BaseDocument doc) {
        /*doc.addLayer(new JavaDrawLayerFactory.JavaLayer(),
                JavaDrawLayerFactory.JAVA_LAYER_VISIBILITY);*/
        doc.addDocumentListener(new HTMLDrawLayerFactory.TagParenWatcher());
    }
    
    /** Create new instance of syntax coloring scanner
    * @param doc document to operate on. It can be null in the cases the syntax
    *   creation is not related to the particular document
    */
    public Syntax createSyntax(Document doc) {
        return new HTMLSyntax();
    }

    /** Create syntax support */
    public SyntaxSupport createSyntaxSupport(BaseDocument doc) {
        return new HTMLSyntaxSupport(doc);
    }

    public Completion createCompletion(ExtEditorUI extEditorUI) {
        return new HTMLCompletion(extEditorUI);
    }
    
    public Formatter createFormatter() {
        //return new LineWrapFormatter(this.getClass());
        return new HTMLFormatter(this.getClass());
    }

    protected Action[] createActions() {
        Action[] HTMLActions = new Action[] {
                                   new HTMLShiftBreakAction()
                               };
        return TextAction.augmentList(super.createActions(), HTMLActions);
    }

    public static class HTMLShiftBreakAction extends BaseAction {

        static final long serialVersionUID =4004043376345356061L;

        public HTMLShiftBreakAction() {
            super( shiftInsertBreakAction, ABBREV_RESET
                  | MAGIC_POSITION_RESET | UNDO_MERGE_RESET);
        }

        public void actionPerformed(ActionEvent evt, JTextComponent target) {
            if (target != null) {
                Completion completion = ExtUtilities.getCompletion(target);
                if (completion != null && completion.isPaneVisible()) {
                    if (completion.substituteText( true )) {
//                        completion.setPaneVisible(false);
                    } else {
                        completion.refresh(false);
                    }
                }
            }
        }

    }
    
}