net.sourceforge.phpeclipse.debug.ui/src/net/sourceforge/phpdt/debug/ui/PHPDebugUiImages.java

   1 package net.sourceforge.phpdt.debug.ui;
   2
   3 import java.net.MalformedURLException;
   4 import java.net.URL;
   5
   6 // import net.sourceforge.phpdt.internal.debug.ui.PHPDebugUiPlugin;
   7
   8 //import org.eclipse.jdt.internal.ui.JavaPlugin;
   9 import org.eclipse.jface.action.IAction;
  10 import org.eclipse.jface.resource.ImageDescriptor;
  11 import org.eclipse.jface.resource.ImageRegistry;
  12 import org.eclipse.swt.graphics.Image;
  13 import net.sourceforge.phpdt.internal.debug.ui.PHPDebugUiPlugin;
  14
  15 public class PHPDebugUiImages {
  16
  17         protected static final String NAME_PREFIX = "net.sourceforge.phpdt.debug.ui.";
  18         protected static final int NAME_PREFIX_LENGTH = NAME_PREFIX.length();
  19         protected static URL iconBaseURL;
  20
  21
  22         static {
  23                 iconBaseURL= PHPDebugUiPlugin.getDefault().getBundle().getEntry("/icons/"); //$NON-NLS-1$
  24         }
  25 /*
  26         static {
  27                 String pathSuffix = "icons/";
  28                 try {
  29                         iconBaseURL = new URL(PHPDebugUiPlugin.getDefault().getDescriptor().getInstallURL(), pathSuffix);
  30                 } catch (MalformedURLException e) {
  31                         PHPDebugUiPlugin.log(e);
  32                 }
  33         }
  34 */
  35         protected static final ImageRegistry IMAGE_REGISTRY = new ImageRegistry();
  36
  37         protected static final String CTOOL_PREFIX = "ctool16";
  38         protected static final String EVIEW_PREFIX = "eview16";
  39
  40         public static final String IMG_EVIEW_ARGUMENTS_TAB = NAME_PREFIX + "arguments_tab.gif";
  41
  42         public static final ImageDescriptor DESC_EVIEW_ARGUMENTS_TAB = createManaged(EVIEW_PREFIX, IMG_EVIEW_ARGUMENTS_TAB);
  43
  44         /**
  45          * Returns the image managed under the given key in this registry.
  46          *
  47          * @param key the image's key
  48          * @return the image managed under the given key
  49          */
  50         public static Image get(String key) {
  51                 return IMAGE_REGISTRY.get(key);
  52         }
  53
  54         /**
  55          * Sets the three image descriptors for enabled, disabled, and hovered to an action. The actions
  56          * are retrieved from the *tool16 folders.
  57          */
  58         public static void setToolImageDescriptors(IAction action, String iconName) {
  59                 setImageDescriptors(action, "tool16", iconName);
  60         }
  61
  62         /**
  63          * Sets the three image descriptors for enabled, disabled, and hovered to an action. The actions
  64          * are retrieved from the *lcl16 folders.
  65          */
  66         public static void setLocalImageDescriptors(IAction action, String iconName) {
  67                 setImageDescriptors(action, "lcl16", iconName);
  68         }
  69
  70         public static ImageRegistry getImageRegistry() {
  71                 return IMAGE_REGISTRY;
  72         }
  73
  74         //---- Helper methods to access icons on the file system --------------------------------------
  75
  76         protected static void setImageDescriptors(IAction action, String type, String relPath) {
  77
  78                 try {
  79                         ImageDescriptor id = ImageDescriptor.createFromURL(makeIconFileURL("d" + type, relPath));
  80                         if (id != null)
  81                                 action.setDisabledImageDescriptor(id);
  82                 } catch (MalformedURLException e) {}
  83
  84                 try {
  85                         ImageDescriptor id = ImageDescriptor.createFromURL(makeIconFileURL("c" + type, relPath));
  86                         if (id != null)
  87                                 action.setHoverImageDescriptor(id);
  88                 } catch (MalformedURLException e) {}
  89
  90                 action.setImageDescriptor(create("e" + type, relPath));
  91         }
  92
  93         protected static ImageDescriptor createManaged(String prefix, String name) {
  94                 try {
  95                         ImageDescriptor result = ImageDescriptor.createFromURL(makeIconFileURL(prefix, name.substring(NAME_PREFIX_LENGTH)));
  96                         IMAGE_REGISTRY.put(name, result);
  97                         return result;
  98                 } catch (MalformedURLException e) {
  99                         return ImageDescriptor.getMissingImageDescriptor();
 100                 }
 101         }
 102
 103         protected static ImageDescriptor create(String prefix, String name) {
 104                 try {
 105                         return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name));
 106                 } catch (MalformedURLException e) {
 107                         return ImageDescriptor.getMissingImageDescriptor();
 108                 }
 109         }
 110
 111         protected static URL makeIconFileURL(String prefix, String name) throws MalformedURLException {
 112                 if (iconBaseURL == null)
 113                         throw new MalformedURLException();
 114
 115                 StringBuffer buffer = new StringBuffer(prefix);
 116                 buffer.append('/');
 117                 buffer.append(name);
 118                 return new URL(iconBaseURL, buffer.toString());
 119         }
 120 }