1 files changed, 56 insertions, 0 deletions
diff --git a/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/dom/DOMRangeHelper.java b/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/dom/DOMRangeHelper.java
new file mode 100644
index 000000000..238c5bb90
--- /dev/null
+++ b/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/dom/DOMRangeHelper.java
@@ -0,0 +1,56 @@
+/*******************************************************************************
+ * Copyright (c) 2006 Sybase, Inc. 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:
+ *     Sybase, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jst.pagedesigner.dom;
+
+import org.eclipse.jst.pagedesigner.viewer.DesignPosition;
+import org.eclipse.jst.pagedesigner.viewer.DesignRange;
+import org.w3c.dom.Node;
+
+/**
+ * @author mengbo
+ */
+public class DOMRangeHelper {
+	public static DOMRange toDOMRange(DesignRange range) {
+		if (range.getStartPosition() == range.getEndPosition()) {
+			IDOMPosition dp = DOMPositionHelper.toDOMPosition(range
+					.getStartPosition());
+			return new DOMRange(dp, dp);
+		} else
+			return new DOMRange(DOMPositionHelper.toDOMPosition(range
+					.getStartPosition()), DOMPositionHelper.toDOMPosition(range
+					.getEndPosition()));
+	}
+
+	public static DesignRange toDesignRange(DOMRange range) {
+		if (range.getStartPosition() == range.getEndPosition()) {
+			DesignPosition dp = DOMPositionHelper.toDesignPosition(range
+					.getStartPosition());
+			return new DesignRange(dp, dp);
+		}
+		return new DesignRange(DOMPositionHelper.toDesignPosition(range
+				.getStartPosition()), DOMPositionHelper.toDesignPosition(range
+				.getEndPosition()));
+	}
+
+	public static DOMRange handleReplacement(DOMRange range, Node original,
+			Node replacement) {
+		if (range.getStartPosition() == range.getEndPosition()) {
+			IDOMPosition pos = range.getStartPosition().handleReplacement(
+					original, replacement);
+			return new DOMRange(pos, pos);
+		} else {
+			return new DOMRange(range.getStartPosition().handleReplacement(
+					original, replacement), range.getEndPosition()
+					.handleReplacement(original, replacement));
+		}
+	}
+}