1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / text / java / hover / JavaEditorTextHoverProxy.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/java/hover/JavaEditorTextHoverProxy.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/java/hover/JavaEditorTextHoverProxy.java
new file mode 100644 (file)
index 0000000..7304174
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/java/hover/JavaEditorTextHoverProxy.java
@@ -0,0 +1,87 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * 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.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+package net.sourceforge.phpdt.internal.ui.text.java.hover;
+
+import net.sourceforge.phpdt.ui.text.java.hover.IJavaEditorTextHover;
+
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.ui.IEditorPart;
+
+/**
+ * Proxy for JavaEditorTextHovers.
+ * 
+ * @since 2.1
+ */
+public class JavaEditorTextHoverProxy extends AbstractJavaEditorTextHover {
+
+       private JavaEditorTextHoverDescriptor fHoverDescriptor;
+
+       private IJavaEditorTextHover fHover;
+
+       public JavaEditorTextHoverProxy(JavaEditorTextHoverDescriptor descriptor,
+                       IEditorPart editor) {
+               fHoverDescriptor = descriptor;
+               setEditor(editor);
+       }
+
+       /*
+        * @see IJavaEditorTextHover#setEditor(IEditorPart)
+        */
+       public void setEditor(IEditorPart editor) {
+               super.setEditor(editor);
+
+               if (fHover != null)
+                       fHover.setEditor(getEditor());
+       }
+
+       public boolean isEnabled() {
+               return true;
+       }
+
+       /*
+        * @see ITextHover#getHoverRegion(ITextViewer, int)
+        */
+       public IRegion getHoverRegion(ITextViewer textViewer, int offset) {
+               if (!isEnabled() || fHoverDescriptor == null)
+                       return null;
+
+               if (isCreated() || createHover())
+                       return fHover.getHoverRegion(textViewer, offset);
+               else
+                       return null;
+       }
+
+       /*
+        * @see ITextHover#getHoverInfo(ITextViewer, IRegion)
+        */
+       public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
+               if (!isEnabled() || fHoverDescriptor == null)
+                       return null;
+
+               if (isCreated() || createHover())
+                       return fHover.getHoverInfo(textViewer, hoverRegion);
+               else
+                       return null;
+       }
+
+       private boolean isCreated() {
+               return fHover != null;
+       }
+
+       private boolean createHover() {
+               fHover = fHoverDescriptor.createTextHover();
+               if (fHover != null)
+                       fHover.setEditor(getEditor());
+               return isCreated();
+       }
+}