--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface.text/projection/org/eclipse/jface/text/source/projection/ProjectionAnnotation.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,192 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2006 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module org.eclipse.jface.text.source.projection.ProjectionAnnotation;
+
+import org.eclipse.jface.text.source.projection.ProjectionViewer; // packageimport
+import org.eclipse.jface.text.source.projection.ProjectionSupport; // packageimport
+import org.eclipse.jface.text.source.projection.IProjectionPosition; // packageimport
+import org.eclipse.jface.text.source.projection.AnnotationBag; // packageimport
+import org.eclipse.jface.text.source.projection.ProjectionSummary; // packageimport
+import org.eclipse.jface.text.source.projection.ProjectionAnnotationHover; // packageimport
+import org.eclipse.jface.text.source.projection.ProjectionRulerColumn; // packageimport
+import org.eclipse.jface.text.source.projection.ProjectionAnnotationModel; // packageimport
+import org.eclipse.jface.text.source.projection.SourceViewerInformationControl; // packageimport
+import org.eclipse.jface.text.source.projection.IProjectionListener; // packageimport
+
+
+import java.lang.all;
+import java.util.Set;
+
+
+
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.FontMetrics;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Canvas;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.text.source.Annotation;
+import org.eclipse.jface.text.source.IAnnotationPresentation;
+import org.eclipse.jface.text.source.ImageUtilities;
+
+/**
+ * Annotation used to represent the projection of a master document onto a
+ * {@link org.eclipse.jface.text.projection.ProjectionDocument}. A projection
+ * annotation can be either expanded or collapsed. If expanded it corresponds to
+ * a segment of the projection document. If collapsed, it represents a region of
+ * the master document that does not have a corresponding segment in the
+ * projection document.
+ * <p>
+ * Clients may subclass or use as is.
+ * </p>
+ *
+ * @since 3.0
+ */
+public class ProjectionAnnotation : Annotation , IAnnotationPresentation {
+
+    private static class DisplayDisposeRunnable : Runnable {
+
+        public void run() {
+            if (fgCollapsedImage !is null) {
+                fgCollapsedImage.dispose();
+                fgCollapsedImage= null;
+            }
+            if (fgExpandedImage !is null) {
+                fgExpandedImage.dispose();
+                fgExpandedImage= null;
+            }
+        }
+    }
+
+    /**
+     * The type of projection annotations.
+     */
+    public static const String TYPE= "org.eclipse.projection"; //$NON-NLS-1$
+
+
+    private static const int COLOR= SWT.COLOR_GRAY;
+    private static Image fgCollapsedImage;
+    private static Image fgExpandedImage;
+
+
+    /** The state of this annotation */
+    private bool fIsCollapsed= false;
+    /** Indicates whether this annotation should be painted as range */
+    private bool fIsRangeIndication= false;
+
+    /**
+     * Creates a new expanded projection annotation.
+     */
+    public this() {
+        this(false);
+    }
+
+    /**
+     * Creates a new projection annotation. When <code>isCollapsed</code>
+     * is <code>true</code> the annotation is initially collapsed.
+     *
+     * @param isCollapsed <code>true</code> if the annotation should initially be collapsed, <code>false</code> otherwise
+     */
+    public this(bool isCollapsed) {
+        super(TYPE, false, null);
+        fIsCollapsed= isCollapsed;
+    }
+
+    /**
+     * Enables and disables the range indication for this annotation.
+     *
+     * @param rangeIndication the enable state for the range indication
+     */
+    public void setRangeIndication(bool rangeIndication) {
+        fIsRangeIndication= rangeIndication;
+    }
+
+    private void drawRangeIndication(GC gc, Canvas canvas, Rectangle r) {
+        final int MARGIN= 3;
+
+        /* cap the height - at least on GTK, large numbers are converted to
+         * negatives at some point */
+        int height= Math.min(r.y + r.height - MARGIN, canvas.getSize().y);
+
+        gc.setForeground(canvas.getDisplay().getSystemColor(COLOR));
+        gc.setLineWidth(0); // NOTE: 0 means width is 1 but with optimized performance
+        gc.drawLine(r.x + 4, r.y + 12, r.x + 4, height);
+        gc.drawLine(r.x + 4, height, r.x + r.width - MARGIN, height);
+    }
+
+    /*
+     * @see org.eclipse.jface.text.source.IAnnotationPresentation#paint(org.eclipse.swt.graphics.GC, org.eclipse.swt.widgets.Canvas, org.eclipse.swt.graphics.Rectangle)
+     */
+    public void paint(GC gc, Canvas canvas, Rectangle rectangle) {
+        Image image= getImage(canvas.getDisplay());
+        if (image !is null) {
+            ImageUtilities.drawImage(image, gc, canvas, rectangle, SWT.CENTER, SWT.TOP);
+            if (fIsRangeIndication) {
+                FontMetrics fontMetrics= gc.getFontMetrics();
+                int delta= (fontMetrics.getHeight() - image.getBounds().height)/2;
+                rectangle.y += delta;
+                rectangle.height -= delta;
+                drawRangeIndication(gc, canvas, rectangle);
+            }
+        }
+    }
+
+    /*
+     * @see org.eclipse.jface.text.source.IAnnotationPresentation#getLayer()
+     */
+    public int getLayer() {
+        return IAnnotationPresentation.DEFAULT_LAYER;
+    }
+
+    private Image getImage(Display display) {
+        initializeImages(display);
+        return isCollapsed() ? fgCollapsedImage : fgExpandedImage;
+    }
+
+    private void initializeImages(Display display) {
+        if (fgCollapsedImage is null) {
+            ImageDescriptor descriptor= ImageDescriptor.createFromFile( getImportData!("org.eclipse.jface.text.source.projection.collapsed.gif")); //$NON-NLS-1$
+            fgCollapsedImage= descriptor.createImage(display);
+            descriptor= ImageDescriptor.createFromFile( getImportData!( "org.eclipse.jface.text.source.projection.expanded.gif")); //$NON-NLS-1$
+            fgExpandedImage= descriptor.createImage(display);
+
+            display.disposeExec(new DisplayDisposeRunnable());
+        }
+    }
+
+    /**
+     * Returns the state of this annotation.
+     *
+     * @return <code>true</code> if collapsed
+     */
+    public bool isCollapsed() {
+        return fIsCollapsed;
+    }
+
+    /**
+     * Marks this annotation as being collapsed.
+     */
+    public void markCollapsed() {
+        fIsCollapsed= true;
+    }
+
+    /**
+     * Marks this annotation as being unfolded.
+     */
+    public void markExpanded() {
+        fIsCollapsed= false;
+    }
+}