--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/jface/text/DocumentEvent.d	Sat Aug 23 19:10:48 2008 +0200
@@ -0,0 +1,153 @@
+/*******************************************************************************
+ * 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.DocumentEvent;
+
+import dwt.dwthelper.utils;
+
+import dwtx.core.runtime.Assert;
+
+
+/**
+ * Specification of changes applied to documents. All changes are represented as
+ * replace commands, i.e. specifying a document range whose text gets replaced
+ * with different text. In addition to this information, the event also contains
+ * the changed document.
+ *
+ * @see dwtx.jface.text.IDocument
+ */
+public class DocumentEvent {
+    
+    /**
+     * Debug option for asserting that text is not null.
+     * If the <code>dwtx.text/debug/DocumentEvent/assertTextNotNull</code>
+     * system property is <code>true</code>
+     * 
+     * @since 3.3
+     */
+    private static final bool ASSERT_TEXT_NOT_NULL= Boolean.getBoolean("dwtx.text/debug/DocumentEvent/assertTextNotNull"); //$NON-NLS-1$
+
+    /** The changed document */
+    public IDocument fDocument;
+    /** The document offset */
+    public int fOffset;
+    /** Length of the replaced document text */
+    public int fLength;
+    /** Text inserted into the document */
+    public String fText= ""; //$NON-NLS-1$
+    /**
+     * The modification stamp of the document when firing this event.
+     * @since 3.1 and public since 3.3
+     */
+    public long fModificationStamp;
+
+    /**
+     * Creates a new document event.
+     *
+     * @param doc the changed document
+     * @param offset the offset of the replaced text
+     * @param length the length of the replaced text
+     * @param text the substitution text
+     */
+    public DocumentEvent(IDocument doc, int offset, int length, String text) {
+
+        Assert.isNotNull(doc);
+        Assert.isTrue(offset >= 0);
+        Assert.isTrue(length >= 0);
+
+        if (ASSERT_TEXT_NOT_NULL)
+            Assert.isNotNull(text);
+
+        fDocument= doc;
+        fOffset= offset;
+        fLength= length;
+        fText= text;
+
+        if (fDocument instanceof IDocumentExtension4)
+            fModificationStamp= ((IDocumentExtension4)fDocument).getModificationStamp();
+        else
+            fModificationStamp= IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;
+    }
+
+    /**
+     * Creates a new, not initialized document event.
+     */
+    public DocumentEvent() {
+    }
+
+    /**
+     * Returns the changed document.
+     *
+     * @return the changed document
+     */
+    public IDocument getDocument() {
+        return fDocument;
+    }
+
+    /**
+     * Returns the offset of the change.
+     *
+     * @return the offset of the change
+     */
+    public int getOffset() {
+        return fOffset;
+    }
+
+    /**
+     * Returns the length of the replaced text.
+     *
+     * @return the length of the replaced text
+     */
+    public int getLength() {
+        return fLength;
+    }
+
+    /**
+     * Returns the text that has been inserted.
+     *
+     * @return the text that has been inserted
+     */
+    public String getText() {
+        return fText;
+    }
+
+    /**
+     * Returns the document's modification stamp at the
+     * time when this event was sent.
+     *
+     * @return the modification stamp or {@link IDocumentExtension4#UNKNOWN_MODIFICATION_STAMP}.
+     * @see IDocumentExtension4#getModificationStamp()
+     * @since 3.1
+     */
+    public long getModificationStamp() {
+        return fModificationStamp;
+    }
+    
+    /*
+     * @see java.lang.Object#toString()
+     * @since 3.4
+     */
+    public String toString() {
+        StringBuffer buffer= new StringBuffer();
+        buffer.append("offset: " ); //$NON-NLS-1$
+        buffer.append(fOffset);
+        buffer.append(", length: " ); //$NON-NLS-1$
+        buffer.append(fLength);
+        buffer.append(", timestamp: " ); //$NON-NLS-1$
+        buffer.append(fModificationStamp);
+        buffer.append("\ntext:>" ); //$NON-NLS-1$
+        buffer.append(fText);
+        buffer.append("<\n" ); //$NON-NLS-1$
+        return buffer.toString();
+    }
+}