RSS news reader; initially copied from "all the news"

[phpeclipse.git] / archive / net.sourceforge.phpeclipse.news / src / net / sourceforge / phpeclipse / news / IconManager.java

diff --git a/archive/net.sourceforge.phpeclipse.news/src/net/sourceforge/phpeclipse/news/IconManager.java b/archive/net.sourceforge.phpeclipse.news/src/net/sourceforge/phpeclipse/news/IconManager.java
new file mode 100644 (file)
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+/*******************************************************************************
+ * Copyright (c) 2004 Jérôme Nègre.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.jnegre.org/cpl1_0.html
+ * 
+ * Contributors:
+ *     Jérôme Nègre - initial API and implementation
+ *******************************************************************************/
+
+/*
+ * Created on 12 juin 2004
+ */
+package net.sourceforge.phpeclipse.news;
+
+import java.net.URL;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.resource.ImageRegistry;
+import org.eclipse.swt.graphics.Image;
+
+/**
+ * @author Jérôme Nègre
+ */
+public class IconManager {
+       //the root folder containing the icons
+       private static final String ICON_FOLDER = "icons/";
+       
+       //real file locations
+       private static final String LOC_LED_DARK_GREEN = "led_dark_green.gif";
+       private static final String LOC_LED_LIGHT_GREEN = "led_light_green.gif";
+       private static final String LOC_LED_RED = "led_red.gif";
+       private static final String LOC_LED_YELLOW = "led_yellow.gif";
+       private static final String LOC_LINK = "link.gif";
+       private static final String LOC_REFRESH = "refresh.gif";
+       private static final String LOC_EXTERNAL_BROWSER = "external_browser.gif";
+
+       //list of all icon files to put in the ImageRegistry
+       private static final String[] LOCATIONS = new String[]{
+                       LOC_LED_DARK_GREEN,
+                       LOC_LED_LIGHT_GREEN,
+                       LOC_LED_RED,
+                       LOC_LED_YELLOW,
+                       LOC_LINK,
+                       LOC_REFRESH,
+                       LOC_EXTERNAL_BROWSER
+       };
+
+       //public names
+       public static final String ICON_STATUS_ERROR   = LOC_LED_RED;
+       public static final String ICON_STATUS_UNREAD  = LOC_LED_LIGHT_GREEN;
+       public static final String ICON_STATUS_READ    = LOC_LED_DARK_GREEN;
+       public static final String ICON_STATUS_REFRESH = LOC_LED_YELLOW;
+       
+       public static final String ICON_ACTION_REFRESH = LOC_REFRESH;
+       public static final String ICON_ACTION_LINK = LOC_LINK;
+       public static final String ICON_ACTION_EXTERNAL_BROWSER = LOC_EXTERNAL_BROWSER;
+       
+       /**
+        * Populates an image registry with all the locations
+        * @param registry
+        */
+       protected static void populateImageRegistry(ImageRegistry registry) {
+               for(int i=0; i<LOCATIONS.length; i++) {
+                       registry.put(LOCATIONS[i],createImageDescriptor(LOCATIONS[i]));
+               }
+       }
+
+       /**
+        * Creates the ImageDescriptor of a file given its path in the
+        * ICON_FOLDER.
+        * @param relativePath
+        * @return the ImageDescriptor
+        */
+    private static ImageDescriptor createImageDescriptor(String relativePath) {
+               try {
+                       URL url = new URL(Plugin.getDefault().getDescriptor().getInstallURL(),
+                                       ICON_FOLDER + relativePath);
+                       return ImageDescriptor.createFromURL(url);
+               } catch (java.net.MalformedURLException e) {
+                       return ImageDescriptor.getMissingImageDescriptor();
+               }
+       }
+       
+       public static ImageDescriptor getImageDescriptor(String key) {
+               return Plugin.getDefault().getImageRegistry().getDescriptor(key);
+       }
+       
+       public static Image getImage(String key) {
+               return Plugin.getDefault().getImageRegistry().get(key);
+       }
+       
+       /**
+        * This class should not be instanciated
+        */
+       private IconManager() {
+               //NOP
+       }
+}