--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/jface/text/revisions/RevisionInformation.d	Sat Aug 23 19:10:48 2008 +0200
@@ -0,0 +1,176 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2008 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 dwtx.jface.text.revisions.RevisionInformation;
+
+import dwt.dwthelper.utils;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Iterator;
+import java.util.List;
+
+import dwtx.core.runtime.Assert;
+import dwtx.jface.internal.text.revisions.Hunk;
+import dwtx.jface.text.IInformationControlCreator;
+import dwtx.jface.text.ITextHoverExtension;
+import dwtx.jface.text.information.IInformationProviderExtension2;
+
+/**
+ * Encapsulates revision information for one line-based document.
+ * <p>
+ * Clients may instantiate.
+ * </p>
+ * 
+ * @since 3.2
+ * @see Revision
+ */
+public final class RevisionInformation : ITextHoverExtension, IInformationProviderExtension2 {
+    /** The revisions, element type: {@link Revision}. */
+    private final List fRevisions= new ArrayList();
+    /** A unmodifiable view of <code>fRevisions</code>. */
+    private final List fRORevisions= Collections.unmodifiableList(fRevisions);
+    /**
+     * The flattened list of {@link RevisionRange}s, unmodifiable. <code>null</code> if the list
+     * must be re-computed.
+     * 
+     * @since 3.3
+     */
+    private List fRanges= null;
+    
+    /**
+     * The hover control creator. Can be <code>null</code>.
+     *
+     * @since 3.3
+     */
+    private IInformationControlCreator fHoverControlCreator;
+    
+    /**
+     * The information presenter control creator. Can be <code>null</code>.
+     *
+     * @since 3.3
+     */
+    private IInformationControlCreator fInformationPresenterControlCreator;
+
+    /**
+     * Creates a new revision information model.
+     */
+    public RevisionInformation() {
+    }
+
+    /**
+     * Adds a revision.
+     * 
+     * @param revision a revision
+     */
+    public void addRevision(Revision revision) {
+        Assert.isLegal(revision !is null);
+        fRevisions.add(revision);
+    }
+
+    /**
+     * Returns the contained revisions.
+     * 
+     * @return an unmodifiable view of the contained revisions (element type: {@link Revision})
+     */
+    public List getRevisions() {
+        return fRORevisions;
+    }
+
+    /**
+     * Returns the line ranges of this revision information. The returned information is only valid
+     * at the moment it is returned, and may change as the annotated document is modified. See
+     * {@link IRevisionListener} for a way to be informed when the revision information changes. The
+     * returned list is sorted by document offset.
+     * 
+     * @return an unmodifiable view of the line ranges (element type: {@link RevisionRange})
+     * @see IRevisionListener
+     * @since 3.3
+     */
+    public List getRanges() {
+        if (fRanges is null) {
+            List ranges= new ArrayList(fRevisions.size() * 2); // wild size guess
+            for (Iterator it= fRevisions.iterator(); it.hasNext();) {
+                Revision revision= (Revision) it.next();
+                ranges.addAll(revision.getRegions());
+            }
+
+            // sort by start line
+            Collections.sort(ranges, new Comparator() {
+                public int compare(Object o1, Object o2) {
+                    RevisionRange r1= (RevisionRange) o1;
+                    RevisionRange r2= (RevisionRange) o2;
+
+                    return r1.getStartLine() - r2.getStartLine();
+                }
+            });
+
+            fRanges= Collections.unmodifiableList(ranges);
+        }
+        return fRanges;
+    }
+
+    /**
+     * Adjusts the revision information to the given diff information. Any previous diff information is discarded. <strong>Note</strong>: This is an internal framework method and must not be called by clients.
+     * 
+     * @param hunks the diff hunks to adjust the revision information to
+     * @since 3.3
+     * @noreference This method is not intended to be referenced by clients.
+     */
+    public void applyDiff(Hunk[] hunks) {
+        fRanges= null; // mark for recomputation
+        for (Iterator revisions= getRevisions().iterator(); revisions.hasNext();)
+            ((Revision) revisions.next()).applyDiff(hunks);
+    }
+
+    /*
+     * @see dwtx.jface.text.ITextHoverExtension#getHoverControlCreator()
+     * @since 3.3
+     */
+    public IInformationControlCreator getHoverControlCreator() {
+        return fHoverControlCreator;
+    }
+
+    /**
+     * {@inheritDoc}
+     * @return the information control creator or <code>null</code>
+     * @since 3.3
+     */
+    public IInformationControlCreator getInformationPresenterControlCreator() {
+        return fInformationPresenterControlCreator;
+    }
+    
+    /**
+     * Sets the hover control creator.
+     * <p>
+     * <strong>Note:</strong> The created information control must be able to display the object
+     * returned by the concrete implementation of {@link Revision#getHoverInfo()}.
+     * </p>
+     * 
+     * @param creator the control creator
+     * @since 3.3
+     */
+    public void setHoverControlCreator(IInformationControlCreator creator) {
+        fHoverControlCreator= creator;
+    }
+
+    /**
+     * Sets the information presenter control creator.
+     * 
+     * @param creator the control creator
+     * @since 3.3
+     */
+    public void setInformationPresenterControlCreator(IInformationControlCreator creator) {
+        fInformationPresenterControlCreator= creator;
+    }
+}