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An editor that supports editing markdown with formatting preview.
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/* 
 * 
 * PROJECT
 *     Name
 *         MarkdownDocEditor
 *     
 *     Code Version
 *         1.2.9
 *     
 *     Description
 *         An editor that supports editing markdown with formatting preview.
 *         
 * COPYRIGHTS
 *     Copyright (C) 2012 by Natusoft AB All rights reserved.
 *     
 * LICENSE
 *     Apache 2.0 (Open Source)
 *     
 *     Licensed under the Apache License, Version 2.0 (the "License");
 *     you may not use this file except in compliance with the License.
 *     You may obtain a copy of the License at
 *     
 *       http://www.apache.org/licenses/LICENSE-2.0
 *     
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 *     
 * AUTHORS
 *     Tommy Svensson ([email protected])
 *         Changes:
 *         2013-05-27: Created!
 *         
 */
package se.natusoft.doc.markdowndoc.editor.functions;

import se.natusoft.doc.markdowndoc.editor.ToolBarGroups;
import se.natusoft.doc.markdowndoc.editor.api.Editor;
import se.natusoft.doc.markdowndoc.editor.api.EditorFunction;
import se.natusoft.doc.markdowndoc.editor.exceptions.FunctionException;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;

/**
 * This provides a function that inserts bold formatting.
 */
public class InsertBoldFunction implements EditorFunction {
    //
    // Private Members
    //

    private Editor editor;
    private JButton boldButton;

    //
    // Constructors
    //

    public InsertBoldFunction() {
        Icon boldIcon = new ImageIcon(ClassLoader.getSystemResource("icons/mddbold.png"));
        this.boldButton = new JButton(boldIcon);
        boldButton.setToolTipText("Bold (Meta-B)");
        boldButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent actionEvent) {
                perform();
            }
        });
    }

    //
    // Methods
    //

    @Override
    public void setEditor(Editor editor) {
        this.editor = editor;
    }

    @Override
    public String getGroup() {
        return ToolBarGroups.format.name();
    }

    @Override
    public String getName() {
        return "Insert bold format";
    }

    @Override
    public JComponent getToolBarButton() {
        return this.boldButton;
    }

    @Override
    public int getDownKeyMask() {
        return KeyEvent.META_MASK;
    }

    @Override
    public int getKeyCode() {
        return KeyEvent.VK_B;
    }

    @Override
    public void perform() throws FunctionException {
        this.editor.insertText("****");
        this.editor.moveCaretBack(2);
        this.editor.requestEditorFocus();
    }

    /**
     * Cleanup and unregister any configs.
     */
    public void close() {}
}