--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/jface/text/projection/ProjectionDocumentEvent.d	Sat Aug 23 19:10:48 2008 +0200
@@ -0,0 +1,142 @@
+/*******************************************************************************
+ * 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.projection.ProjectionDocumentEvent;
+
+import dwt.dwthelper.utils;
+
+import dwtx.jface.text.DocumentEvent;
+import dwtx.jface.text.IDocument;
+import dwtx.jface.text.SlaveDocumentEvent;
+
+
+/**
+ * This event is sent out by an
+ * {@link dwtx.jface.text.projection.ProjectionDocument}when it is
+ * manipulated. The manipulation is either a content manipulation or a change of
+ * the projection between the master and the slave. Clients can determine the
+ * type of change by asking the projection document event for its change type
+ * (see {@link #getChangeType()}) and comparing it with the predefined types
+ * {@link #PROJECTION_CHANGE}and {@link #CONTENT_CHANGE}.
+ * <p>
+ * Clients are not supposed to create instances of this class. Instances are
+ * created by {@link dwtx.jface.text.projection.ProjectionDocument}
+ * instances. This class is not intended to be subclassed.</p>
+ *
+ * @since 3.0
+ * @noinstantiate This class is not intended to be instantiated by clients.
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+public class ProjectionDocumentEvent : SlaveDocumentEvent {
+
+    /** The change type indicating a projection change */
+    public final static Object PROJECTION_CHANGE= new Object();
+    /** The change type indicating a content change */
+    public final static Object CONTENT_CHANGE= new Object();
+
+    /** The change type */
+    private Object fChangeType;
+    /** The offset of the change in the master document */
+    private int fMasterOffset= -1;
+    /** The length of the change in the master document */
+    private int fMasterLength= -1;
+
+    /**
+     * Creates a new content change event caused by the given master document
+     * change. Instances created using this constructor return <code>-1</code>
+     * when calling <code>getMasterOffset</code> or
+     * <code>getMasterLength</code>. This information can be obtained by
+     * accessing the master event.
+     *
+     * @param doc the changed projection document
+     * @param offset the offset in the projection document
+     * @param length the length in the projection document
+     * @param text the replacement text
+     * @param masterEvent the original master event
+     */
+    public ProjectionDocumentEvent(IDocument doc, int offset, int length, String text, DocumentEvent masterEvent) {
+        super(doc, offset, length, text, masterEvent);
+        fChangeType= CONTENT_CHANGE;
+    }
+
+    /**
+     * Creates a new projection change event for the given properties. Instances
+     * created with this constructor return the given master document offset and
+     * length but do not have an associated master document event.
+     *
+     * @param doc the projection document
+     * @param offset the offset in the projection document
+     * @param length the length in the projection document
+     * @param text the replacement text
+     * @param masterOffset the offset in the master document
+     * @param masterLength the length in the master document
+     */
+    public ProjectionDocumentEvent(IDocument doc, int offset, int length, String text, int masterOffset, int masterLength) {
+        super(doc, offset, length, text, null);
+        fChangeType= PROJECTION_CHANGE;
+        fMasterOffset= masterOffset;
+        fMasterLength= masterLength;
+    }
+
+    /**
+     * Creates a new projection document event for the given properties. The
+     * projection change is caused by a manipulation of the master document. In
+     * order to accommodate the master document change, the projection document
+     * had to change the projection. Instances created with this constructor
+     * return the given master document offset and length and also have an
+     * associated master document event.
+     *
+     * @param doc the projection document
+     * @param offset the offset in the projection document
+     * @param length the length in the projection document
+     * @param text the replacement text
+     * @param masterOffset the offset in the master document
+     * @param masterLength the length in the master document
+     * @param masterEvent the master document event
+     */
+    public ProjectionDocumentEvent(IDocument doc, int offset, int length, String text, int masterOffset, int masterLength, DocumentEvent masterEvent) {
+        super(doc, offset, length, text, masterEvent);
+        fChangeType= PROJECTION_CHANGE;
+        fMasterOffset= masterOffset;
+        fMasterLength= masterLength;
+    }
+
+    /**
+     * Returns the change type of this event. This is either {@link #PROJECTION_CHANGE} or
+     * {@link #CONTENT_CHANGE}.
+     *
+     * @return the change type of this event
+     */
+    public Object getChangeType() {
+        return fChangeType;
+    }
+
+    /**
+     * Returns the offset of the master document range that has been added or removed in case this
+     * event describes a projection change, otherwise it returns <code>-1</code>.
+     *
+     * @return the master document offset of the projection change or <code>-1</code>
+     */
+    public int getMasterOffset() {
+        return fMasterOffset;
+    }
+
+    /**
+     * Returns the length of the master document range that has been added or removed in case this event
+     * describes a projection changed, otherwise <code>-1</code>.
+     *
+     * @return the master document length of the projection change or <code>-1</code>
+     */
+    public int getMasterLength() {
+        return fMasterLength;
+    }
+}