EDIT

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.model;

import java.net.MalformedURLException;

import java.net.URI;

import java.net.URL;

import org.eclipse.core.runtime.FileLocator;

import org.eclipse.core.runtime.IPath;

import org.eclipse.core.runtime.Path;

import org.eclipse.jface.resource.DeviceResourceException;

import org.eclipse.jface.resource.ImageDescriptor;

import org.eclipse.jface.resource.ImageRegistry;

import org.eclipse.swt.graphics.Image;

import eu.etaxonomy.taxeditor.store.StoreUtil;

import eu.etaxonomy.taxeditor.store.internal.TaxeditorStorePlugin;

/**

 * <p>ImageResources class.</p>

 *

 * @author n.hoffmann

 * @created 24.03.2009

 * @version 1.0

 */

public class ImageResources {

	private static ImageResources instance;

	/**

	 * <p>Getter for the field <code>instance</code>.</p>

	 *

	 * @return a {@link eu.etaxonomy.taxeditor.model.ImageResources} object.

	 */

	public static ImageResources getInstance(){

		if(instance == null){

			instance = new ImageResources();

		}

		return instance;

	}

	/* ***************************************************************************************

	ICONS

	************************************************************************************** */

	/** Constant <code>ADD_ICON="add_icon"</code> */

	public static final String ADD_ICON = "add_icon";

	/** Constant <code>TRASH_ICON="trash_icon"</code> */

	public static final String TRASH_ICON = "trash_icon";

	/** Constant <code>BROWSE_ICON="browse_icon"</code> */

	public static final String BROWSE_ICON = "browse_icon";

	/** Constant <code>EDIT_ICON="edit_icon"</code> */

	public static final String EDIT_ICON = "edit_icon";

	/** Constant <code>EDIT_LOGO_ICON="edit_logo_icon"</code> */

	public static final String EDIT_LOGO_ICON = "edit_logo_icon";

	/** Constant <code>WARNING_ICON="warning_icon"</code> */

	public static final String WARNING_ICON = "warning_icon";

	/** Constant <code>BLACK_SQUARE_ICON="black_square_icon"</code> */

	public static final String BLACK_SQUARE_ICON = "black_square_icon";

	/** Constant <code>HOMOTYPIC_SYN_ICON="homotypic_syn_icon"</code> */

	public static final String HOMOTYPIC_SYN_ICON = "homotypic_syn_icon";

	/** Constant <code>HOMOTYPIC_SYN_ORIGINAL_ICON="homotypic_syn_original_icon"</code> */

	public static final String HOMOTYPIC_SYN_ORIGINAL_ICON = "homotypic_syn_original_icon";

	/** Constant <code>HETEROTYPIC_SYN_ICON="heterotypic_syn_icon"</code> */

	public static final String HETEROTYPIC_SYN_ICON = "heterotypic_syn_icon";

	public static final String NOM_INVAL_NUD_SYN_ICON = "nom_inval_nud_syn_icon";

	public static final String HOMOTYPIC_SYNONYM_IN_HETEROTYPIC_GROUP_ICON = "homotypic_synonym_in_heterotypic_group_icon";

	/** Constant <code>HETEROTYPIC_SYN_ORIGINAL_ICON="heterotypic_syn_original_icon"</code> */

	public static final String HETEROTYPIC_SYN_ORIGINAL_ICON = "heterotypic_syn_original_icon";

	/** Constant <code>MISAPPLIED_NAME_ICON="misapplied_icon"</code> */

	public static final String MISAPPLIED_NAME_ICON = "misapplied_icon";

	/** Constant <code>CONCEPT_ICON="concept_icon"</code> */

	public static final String CONCEPT_ICON = "concept_icon";

	/** Constant <code>AUTONYM_ICON="autonym_icon"</code> */

	public static final String AUTONYM_ICON = "autonym_icon";

	/** Constant <code>BASIONYM_ICON="basionym_icon"</code> */

	public static final String BASIONYM_ICON = "basionym_icon";

	/** Constant <code>ORTHOGRAPHIC_VARIANT_ICON="orthographic_variants_icon"</code> */

	public static final String ORTHOGRAPHIC_VARIANT_ICON = "orthographic_variants_icon";

	/** Constant <code>DB_ICON="db_icon"</code> */

	public static final String DB_ICON = "db_icon";

	/** Constant <code>MOVE_ICON="move_icon"</code> */

	public static final String MOVE_ICON = "move_icon";

	/** Constant <code>ACTIVE_DELETE_ICON="active_delete_icon"</code> */

	public static final String ACTIVE_DELETE_ICON = "active_delete_icon";

	/** Constant <code>SYNONYM_TO_TAXON_ICON="synoynm_to_taxon_icon"</code> */

	public static final String SYNONYM_TO_TAXON_ICON = "synoynm_to_taxon_icon";

	/** Constant <code>OPEN_TAXON_ICON="open_taxon_icon"</code> */

	public static final String OPEN_TAXON_ICON = "open_taxon_icon";

	/** Constant <code>ADD_CHILD_TAXON_ICON="add_taxon_icon"</code> */

	public static final String ADD_CHILD_TAXON_ICON = "add_taxon_icon";

	/** Constant <code>SWAP_SYNONYM_AND_TAXON_ICON="swap_syn_and_tax_icon"</code> */

	public static final String SWAP_SYNONYM_AND_TAXON_ICON = "swap_syn_and_tax_icon";

	/** Constant <code>QUICK_ADD_ICON="quick_add_icon"</code> */

	public static final String QUICK_ADD_ICON = "quick_add_icon";

	/** Constant <code>TAXON_TO_SYNONYM_ICON="tax_to_syn_icon"</code> */

	public static final String TAXON_TO_SYNONYM_ICON = "tax_to_syn_icon";

	/** Constant <code>ERROR_ANNOTATION_ICON="error_annotation_icon"</code> */

	public static final String ERROR_ANNOTATION_ICON = "error_annotation_icon";

	/** Constant <code>EDIT_BITMAP_ICON="edit_bitmap_icon"</code> */

	public static final String EDIT_BITMAP_ICON = "edit_bitmap_icon";

	/** Constant <code>IMG_DATASOURCE_CONNECTED="IMG_DATASOURCE_CONNECTED"</code> */

	public static final String IMG_DATASOURCE_CONNECTED = "IMG_DATASOURCE_CONNECTED";

	/** Constant <code>IMG_DATASOURCE_DISCONNECTED="IMG_DATASOURCE_DISCONNECTED"</code> */

	public static final String IMG_DATASOURCE_DISCONNECTED = "IMG_DATASOURCE_DISCONNECTED";

	/** Constant <code>IMG_NOT_FOUND="IMG_NOT_FOUND"</code> */

	public static final String IMG_NOT_FOUND = "IMG_NOT_FOUND";

	/** Constant <code>WARNING_ANNOTATION_ICON="warning"</code> */

	public static final String WARNING_ANNOTATION_ICON = "warning";

	/** Constant <code>THREE_PRONGED_EQUAL="3_pronged_equal"</code> */

	public static final String THREE_PRONGED_EQUAL = "3_pronged_equal";

	/** Constant <code>TWO_PRONGED_EQUAL="2_pronged_equal"</code> */

	public static final String TWO_PRONGED_EQUAL = "2_pronged_equal";

	/** Constant <code>MISAPPLIED_NAME="misapplied_name"</code> */

	public static final String MISAPPLIED_NAME = "misapplied_name";

	/** Constant <code>ORPHANED_TAXON="orphaned_taxon"</code> */

	public static final String ORPHANED_TAXON = "orphaned_taxon";

	/** Constant <code>EXPAND_ALL="expand_all"</code> */

	public static final String EXPAND_ALL = "expand_all";

	/** Constant <code>COLLAPSE_ALL="collapse_all"</code> */

	public static final String COLLAPSE_ALL = "collapse_all";

	/***************************************************************************

	 * IMAGE REGISTRY

	 **************************************************************************/

	private ImageRegistry imageRegistry;

	/**

	 * <p>getImageDescriptor</p>

	 *

	 * @param key a {@link java.lang.String} object.

	 * @return a {@link org.eclipse.jface.resource.ImageDescriptor} object.

	 */

	public static ImageDescriptor getImageDescriptor(String key) {

		return getInstance().getImageRegistry().getDescriptor(key);

	}

	/**

	 * <p>getImage</p>

	 *

	 * @param key a {@link java.lang.String} object.

	 * @return a {@link org.eclipse.swt.graphics.Image} object.

	 */

	public static Image getImage(String key) {

		return getInstance().getImageRegistry().get(key);

	}

	/**

	 * Gets an image for the given URL. Adds the image to the registry as needed.

	 *

	 * @param uri a {@link java.net.URI} object.

	 * @return a {@link org.eclipse.swt.graphics.Image} object.

	 */

	public static Image getImage(URI uri) {		

		String key = uri.toString();

		ImageRegistry registry = getInstance().getImageRegistry();

		Image image = registry.get(key);

		if (image == null) {

			ImageDescriptor desc;

			try {

				desc = ImageDescriptor.createFromURL(new URL(key));

				registry.put(key, desc);

				image = registry.get(key);

			} catch (DeviceResourceException e) {

				return getImageNotFound();

			} catch (MalformedURLException e) {

				// should never happen

			} catch (Exception e) {

				StoreUtil.error(ImageResources.class, e);

			}

//			logger.warn(ImageDescriptor.getMissingImageDescriptor().getClass());

//			logger.warn(desc.getClass());

//			

//			if (ImageDescriptor.getMissingImageDescriptor().equals(desc)) {

//				logger.warn("img not found");

//			}

		}

		return image;

	}

	/**

	 * <p>getImageNotFound</p>

	 *

	 * @return a {@link org.eclipse.swt.graphics.Image} object.

	 */

	public static Image getImageNotFound() {

		return getImage(ImageResources.IMG_NOT_FOUND);

	}

	/**

	 * <p>Getter for the field <code>imageRegistry</code>.</p>

	 *

	 * @return a {@link org.eclipse.jface.resource.ImageRegistry} object.

	 */

	public ImageRegistry getImageRegistry() {

        if (imageRegistry == null) {

            imageRegistry = TaxeditorStorePlugin.getDefault().createImageRegistry();

            initializeImageRegistry(imageRegistry);

        }

        return imageRegistry;

    }

	/**

	 * <p>initializeImageRegistry</p>

	 *

	 * @param registry a {@link org.eclipse.jface.resource.ImageRegistry} object.

	 */

	protected void initializeImageRegistry(ImageRegistry registry) {

		registerImage(registry, ADD_ICON, 

				"add_no_bg.gif");

		registerImage(registry, TRASH_ICON, 

				"trash.gif");

		registerImage(registry, EDIT_ICON, 

				"text.gif");

		registerImage(registry, EDIT_LOGO_ICON, 

				"edit_16x16.ico");

		registerImage(registry, WARNING_ICON,

				"warn_tsk.gif");

		registerImage(registry, BLACK_SQUARE_ICON,

				"accepted_small.gif");

		registerImage(registry, HOMOTYPIC_SYN_ICON,

				"homosyn_no_bg.gif");

		registerImage(registry,	HOMOTYPIC_SYN_ORIGINAL_ICON,

				"homosyn_original_no_bg.gif");

		registerImage(registry, HETEROTYPIC_SYN_ICON,

				"heterosyn_no_bg.gif");

		registerImage(registry, NOM_INVAL_NUD_SYN_ICON, 

				"nominval_nud_no_bg.gif");

		registerImage(registry,	HETEROTYPIC_SYN_ORIGINAL_ICON,

				"heterosyn_original_no_bg.gif");

		registerImage(registry, HOMOTYPIC_SYNONYM_IN_HETEROTYPIC_GROUP_ICON, 

				"homotypic_syn_hetero_group.gif");

		registerImage(registry, MISAPPLIED_NAME_ICON,

				"misapplied_no_bg.gif");

		registerImage(registry, CONCEPT_ICON,

				"concept_no_bg.gif");

		registerImage(registry, AUTONYM_ICON,

				"autonym_no_bg.gif");

		registerImage(registry, BASIONYM_ICON,

				"basionym_no_bg.gif");

		registerImage(registry, ORTHOGRAPHIC_VARIANT_ICON,

				"orthovariant_no_bg.gif");

		registerImage(registry, DB_ICON, 

				"db.gif");

		registerImage(registry, MOVE_ICON,

				"correction_change.gif");

		registerImage(registry, ACTIVE_DELETE_ICON,

				"delete_edit.gif");

		registerImage(registry, SYNONYM_TO_TAXON_ICON,

				"change.gif");

		registerImage(registry, OPEN_TAXON_ICON, 

				"open.gif");

		registerImage(registry, ADD_CHILD_TAXON_ICON,

				"new_child.gif");

		registerImage(registry,

				SWAP_SYNONYM_AND_TAXON_ICON, "swap2.gif");

		registerImage(registry, QUICK_ADD_ICON,

				"quick_add.gif");

		registerImage(registry, TAXON_TO_SYNONYM_ICON,

				"tax_to_syn.gif");

		registerImage(registry, ERROR_ANNOTATION_ICON,

				"error_co.gif");

		registerImage(registry, EDIT_BITMAP_ICON,

				"256color_16x16.bmp");

		registerImage(registry, IMG_DATASOURCE_CONNECTED, 

				"prj_obj.gif");

		registerImage(registry, IMG_DATASOURCE_DISCONNECTED, 

				"cprj_obj.gif");

		registerImage(registry, IMG_NOT_FOUND, 

				"pic_not_found.PNG");

		registerImage(registry, WARNING_ANNOTATION_ICON, 

				"warning_co.gif");

		registerImage(registry, THREE_PRONGED_EQUAL, 

				"3_pronged_equal_small.GIF");

		registerImage(registry, TWO_PRONGED_EQUAL, 

				"2_pronged_equal_small.GIF");		

		registerImage(registry, MISAPPLIED_NAME, 

				"ma_12x12.gif");	

		registerImage(registry, ORPHANED_TAXON, 

				"orphaned.gif");	

		registerImage(registry, EXPAND_ALL, 

				"expandAll.jpg");

		registerImage(registry, COLLAPSE_ALL, 

				"collapseall.gif");

		registerImage(registry, BROWSE_ICON, 

				"prj_obj.gif");

	}

	private void registerImage(ImageRegistry registry, String key,

			String fileName) {

		try {

			IPath path = new Path("icons/" + fileName); //$NON-NLS-1$

			URL url = FileLocator.find(TaxeditorStorePlugin.getDefault().getBundle(), path, null);

			if (url != null) {

				ImageDescriptor desc = ImageDescriptor.createFromURL(url);

				registry.put(key, desc);

			}

		} catch (Exception e) {

		}

	}

}