ar.com.tadp.xml.rinzo.core.PluginImages.java Source code

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Here is the source code for ar.com.tadp.xml.rinzo.core.PluginImages.java

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/*****************************************************************************
 * This file is part of Rinzo
 *
 * Author: Claudio Cancinos
 * WWW: https://sourceforge.net/projects/editorxml
 * Copyright (C): 2008, Claudio Cancinos
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; If not, see <http://www.gnu.org/licenses/>
 ****************************************************************************/
package ar.com.tadp.xml.rinzo.core;

import java.net.MalformedURLException;
import java.net.URL;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;

import ar.com.tadp.xml.rinzo.XMLEditorPlugin;

/**
 * Plugin's images provider
 * 
 * @author ccancinos
 */
public class PluginImages {

    private static final String NAME_PREFIX = "ar.com.tadp.xml.rinzo.img.";
    private static final int NAME_PREFIX_LENGTH = NAME_PREFIX.length();
    private static URL iconBaseURL = null;
    private static ImageRegistry imageRegistry = null;

    // ************************************************
    // ** Nombre de Imagenes
    // ************************************************
    /** Tag con boddy */
    public static final String IMG_XML_TAGDEF = NAME_PREFIX + "tagdef.gif";
    /** Tag sin boddy */
    public static final String IMG_XML_EMPTYTAGDEF = NAME_PREFIX + "emptytagdef.gif";
    /** Texto dentro del boddy de un tag */
    public static final String IMG_XML_TXT = NAME_PREFIX + "xmltxt.gif";
    /** Tag de comentario */
    public static final String IMG_XML_COMMENT = NAME_PREFIX + "tagcomment.gif";
    /** Simbolito "?" */
    public static final String IMG_XML_PI = NAME_PREFIX + "xmldecl.gif";

    /** "a" de atributo */
    public static final String IMG_XML_ATTRIBUTE = NAME_PREFIX + "attlist.gif";
    /** Cuadernito de template */
    public static final String IMG_XML_TEMPLATE = NAME_PREFIX + "template.gif";
    /** Minus sign */
    public static final String IMG_COLLAPSEALL = NAME_PREFIX + "collapseall.gif";
    /** Edit field txt */
    public static final String IMG_SHOWFULLNAME = NAME_PREFIX + "metharg_obj.gif";
    /** Edit field icon */
    public static final String IMG_EDIT_INLINE = NAME_PREFIX + "correction_linked_rename.gif";

    public static final String IMG_CHANGE = NAME_PREFIX + "correction_change.gif";

    public static final String IMG_DELETE = NAME_PREFIX + "delete_obj.gif";

    public static final String IMG_CLEAR = NAME_PREFIX + "clear.gif";
    /** Run green arrow */
    public static final String IMG_XPATH_AUTO_EVALUATE = NAME_PREFIX + "auto_evaluate.gif";

    public static void init() {
        iconBaseURL = XMLEditorPlugin.getDefault().getBundle().getEntry("icons/");
        imageRegistry = new ImageRegistry();

        addImage("xpath", IMG_CLEAR);
        addImage("xpath", IMG_XPATH_AUTO_EVALUATE);

        // ************************************************
        // ** Imagenes del OutLine
        // ************************************************
        addImage("outline", IMG_XML_TAGDEF);
        addImage("outline", IMG_XML_EMPTYTAGDEF);
        addImage("outline", IMG_XML_TXT);
        addImage("outline", IMG_XML_COMMENT);
        addImage("outline", IMG_XML_PI);
        addImage("outline", IMG_COLLAPSEALL);
        addImage("outline", IMG_SHOWFULLNAME);

        // ************************************************
        // ** Imagenes del Content Assist
        // ************************************************
        addImage("contentAssist", IMG_XML_ATTRIBUTE);
        addImage("contentAssist", IMG_XML_TEMPLATE);
        addImage("contentAssist", IMG_EDIT_INLINE);
        addImage("contentAssist", IMG_CHANGE);
        addImage("contentAssist", IMG_DELETE);
    }

    /**
     * Agrega la imagen al registro de imagenes
     * 
     * @param prefix nombre del directorio donde se encuentra la imagen relativo al root de las imagenes
     *            dentro del proyecto
     * @param name nombre de la imagen
     */
    private static void addImage(String prefix, String name) {
        ImageDescriptor descriptor = getImageDescriptor(prefix, name);
        imageRegistry.put(name, descriptor);
    }

    /**
     * Obtiene el descriptor de la imagen a partir de su nombre relativo al root de las imagenes
     */
    private static ImageDescriptor getImageDescriptor(String prefix, String name) {
        try {
            return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name.substring(NAME_PREFIX_LENGTH)));
        } catch (MalformedURLException e) {
            return ImageDescriptor.getMissingImageDescriptor();
        }
    }

    /**
     * Obtiene un objeto URL que hace referencia a la imagen
     */
    private static URL makeIconFileURL(String prefix, String name) throws MalformedURLException {
        if (iconBaseURL == null) {
            throw new MalformedURLException();
        } else {
            StringBuffer buffer = new StringBuffer();
            if (prefix != null) {
                buffer.append(prefix);
                buffer.append('/');
            }
            buffer.append(name);
            return new URL(iconBaseURL, buffer.toString());
        }
    }

    public static Image get(String key) {
        return imageRegistry.get(key);
    }
}