Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/xmerge/source/xmerge/java/org/openoffice/xmerge/merger/merge/SheetMerge.java b/xmerge/source/xmerge/java/org/openoffice/xmerge/merger/merge/SheetMerge.java
new file mode 100644
index 000000000..f21be1591
--- /dev/null
+++ b/xmerge/source/xmerge/java/org/openoffice/xmerge/merger/merge/SheetMerge.java
@@ -0,0 +1,76 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+package org.openoffice.xmerge.merger.merge;
+
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import org.openoffice.xmerge.ConverterCapabilities;
+import org.openoffice.xmerge.merger.NodeMergeAlgorithm;
+
+/**
+ * This class extends the {@code DocumentMerge} class.
+ *
+ * <p>This class will merge two spreadsheet documents.</p>
+ *
+ * <p>The main difference between this implementation and {@code DocumentMerge}
+ * is that this merge will try to maintain unsupported features by examining the
+ * cell {@code node} objects one by one when it removes a node from the original
+ * {@code Iterator}.</p>
+ */
+public final class SheetMerge extends DocumentMerge {
+
+    /**
+     * Constructor.
+     *
+     * @param  cc     The {@code ConverterCapabilities}.
+     * @param  merge  The {@code NodeMergeAlgorithm}.
+     */
+    public SheetMerge(ConverterCapabilities cc, NodeMergeAlgorithm merge) {
+        super(cc, merge);
+    }
+
+    /**
+     * Remove specified {@code Node}.
+     *
+     * @param  node  {@code Node} to remove.
+     */
+    @Override
+    protected void removeNode(Node node) {
+        clearRow(node);
+    }
+
+    /**
+     * Clear the row corresponding to the {@code Node}.
+     *
+     * @param  node  {@code Node} containing the row to clear.
+     */
+    private void clearRow(Node node) {
+        NodeList children = node.getChildNodes();
+        int numOfChildren = children.getLength();
+
+        // clear all the cells under the row node but maintain any unsupported
+        // features
+        // TODO: we can actually check anything left after the clear up.
+        // if there is nothing left, then we can even delete the cell nodes
+        for (int i = 0; i < numOfChildren; i++) {
+            SheetUtil.emptyCell(cc_, children.item(i));
+        }
+    }
+}
\ No newline at end of file