Improved completion processor

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / PHPUiImages.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/PHPUiImages.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/PHPUiImages.java
new file mode 100644 (file)
index 0000000..4cc1713
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/PHPUiImages.java
@@ -0,0 +1,126 @@
+package net.sourceforge.phpdt.internal.ui;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.resource.ImageRegistry;
+import org.eclipse.swt.graphics.Image;
+
+public class PHPUiImages {
+
+       protected static final String NAME_PREFIX = "net.sourceforge.phpdt.internal.ui.";
+       protected static final int NAME_PREFIX_LENGTH = NAME_PREFIX.length();
+  
+       protected static URL iconBaseURL;
+
+       static {
+               String pathSuffix = "icons/";
+               try {
+                       iconBaseURL = new URL(PHPeclipsePlugin.getDefault().getDescriptor().getInstallURL(), pathSuffix);
+               } catch (MalformedURLException e) {
+                       PHPeclipsePlugin.log(e);
+               }
+       }
+
+       protected static final ImageRegistry IMAGE_REGISTRY = new ImageRegistry();
+
+       protected static final String OBJ_PREFIX = "obj16";
+       protected static final String OVR_PREFIX = "ovr16";
+       protected static final String CTOOL_PREFIX = "ctool16";
+
+  public static final String IMG_CLASS = NAME_PREFIX + "class_obj.gif";
+  public static final String IMG_FUN = NAME_PREFIX + "fun_obj.gif";
+       public static final String IMG_OBJS_ERROR = NAME_PREFIX + "error_obj.gif";
+       public static final String IMG_OBJS_WARNING = NAME_PREFIX + "warning_obj.gif";
+       public static final String IMG_OBJS_INFO = NAME_PREFIX + "info_obj.gif";
+       public static final String IMG_CTOOLS_PHP_PAGE = NAME_PREFIX + "php_page.gif";
+       public static final String IMG_CTOOLS_PHP = NAME_PREFIX + "php.gif";
+
+  public static final ImageDescriptor DESC_CLASS = createManaged(OBJ_PREFIX, IMG_CLASS);
+  public static final ImageDescriptor DESC_FUN = createManaged(OBJ_PREFIX, IMG_FUN);
+       public static final ImageDescriptor DESC_OBJS_ERROR = createManaged(OBJ_PREFIX, IMG_OBJS_ERROR);
+       public static final ImageDescriptor DESC_OBJS_WARNING = createManaged(OBJ_PREFIX, IMG_OBJS_WARNING);
+       public static final ImageDescriptor DESC_OBJS_INFO = createManaged(OBJ_PREFIX, IMG_OBJS_INFO);
+       public static final ImageDescriptor DESC_CTOOL_PHP_PAGE = createManaged(CTOOL_PREFIX, IMG_CTOOLS_PHP_PAGE);
+       public static final ImageDescriptor DESC_CTOOL_PHP = createManaged(CTOOL_PREFIX, IMG_CTOOLS_PHP);
+
+       /**
+        * Returns the image managed under the given key in this registry.
+        * 
+        * @param key the image's key
+        * @return the image managed under the given key
+        */
+       public static Image get(String key) {
+               return IMAGE_REGISTRY.get(key);
+       }
+
+       /**
+        * Sets the three image descriptors for enabled, disabled, and hovered to an action. The actions
+        * are retrieved from the *tool16 folders.
+        */
+       public static void setToolImageDescriptors(IAction action, String iconName) {
+               setImageDescriptors(action, "tool16", iconName);
+       }
+
+       /**
+        * Sets the three image descriptors for enabled, disabled, and hovered to an action. The actions
+        * are retrieved from the *lcl16 folders.
+        */
+       public static void setLocalImageDescriptors(IAction action, String iconName) {
+               setImageDescriptors(action, "lcl16", iconName);
+       }
+
+       public static ImageRegistry getImageRegistry() {
+               return IMAGE_REGISTRY;
+       }
+
+       //---- Helper methods to access icons on the file system --------------------------------------
+
+       protected static void setImageDescriptors(IAction action, String type, String relPath) {
+
+               try {
+                       ImageDescriptor id = ImageDescriptor.createFromURL(makeIconFileURL("d" + type, relPath));
+                       if (id != null)
+                               action.setDisabledImageDescriptor(id);
+               } catch (MalformedURLException e) {}
+
+               try {
+                       ImageDescriptor id = ImageDescriptor.createFromURL(makeIconFileURL("c" + type, relPath));
+                       if (id != null)
+                               action.setHoverImageDescriptor(id);
+               } catch (MalformedURLException e) {}
+
+               action.setImageDescriptor(create("e" + type, relPath));
+       }
+
+       protected static ImageDescriptor createManaged(String prefix, String name) {
+               try {
+                       ImageDescriptor result = ImageDescriptor.createFromURL(makeIconFileURL(prefix, name.substring(NAME_PREFIX_LENGTH)));
+                       IMAGE_REGISTRY.put(name, result);
+                       return result;
+               } catch (MalformedURLException e) {
+                       return ImageDescriptor.getMissingImageDescriptor();
+               }
+       }
+
+       protected static ImageDescriptor create(String prefix, String name) {
+               try {
+                       return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name));
+               } catch (MalformedURLException e) {
+                       return ImageDescriptor.getMissingImageDescriptor();
+               }
+       }
+
+       protected static URL makeIconFileURL(String prefix, String name) throws MalformedURLException {
+               if (iconBaseURL == null)
+                       throw new MalformedURLException();
+
+               StringBuffer buffer = new StringBuffer(prefix);
+               buffer.append('/');
+               buffer.append(name);
+               return new URL(iconBaseURL, buffer.toString());
+       }
+}
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