INTEGRATION: CWS lo8 (1.1.2); FILE ADDED

2005/06/08 16:31:11 lo 1.1.2.1: restructuring of project and fix for #i44847#

1 files changed, 136 insertions, 0 deletions

diff --git a/xmerge/source/xmerge/java/org/openoffice/xmerge/merger/merge/SheetUtil.java b/xmerge/source/xmerge/java/org/openoffice/xmerge/merger/merge/SheetUtil.java
new file mode 100644
index 000000000000..5b3115c286e6
--- /dev/null
+++ b/xmerge/source/xmerge/java/org/openoffice/xmerge/merger/merge/SheetUtil.java
@@ -0,0 +1,136 @@
+/************************************************************************
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+package org.openoffice.xmerge.merger.merge;
+
+import org.w3c.dom.Node;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
+import org.w3c.dom.NamedNodeMap;
+
+import org.openoffice.xmerge.ConverterCapabilities;
+import org.openoffice.xmerge.merger.diff.CellNodeIterator;
+import org.openoffice.xmerge.converter.xml.OfficeConstants;
+
+
+/**
+ *  Utility methods to handle sheet XML tree.
+ */
+public class SheetUtil {
+
+    /**
+     *  <p>Empty the content of a cell value.   This includes the following:
+     *  </p>
+     *
+     *  <p><ul><li>
+     *    Remove all of the supported attributes.
+     *  </li><li>
+     *    Remove the first <i>text:p</i> <code>Node</code> for most of the cells.
+     *  </li></ul></p>
+     *
+     *  @param  cc    The <code>ConverterCapabilities</code>.
+     *  @param  node  The <code>Node</code>.
+     */
+    public static void emptyCell(ConverterCapabilities cc, Node node) {
+
+        NamedNodeMap attrNodes = node.getAttributes();
+
+        if (attrNodes != null) {
+
+            // empty the first text:p node.
+            // Note: it's not necessary only string type cell contain text:p
+            // basically, all different type of cell will contain one
+            Element cell = (Element)node;
+
+            // get the paragraph node list
+            NodeList paraNodes =
+                cell.getElementsByTagName(OfficeConstants.TAG_PARAGRAPH);
+
+            Node firstParaNode = paraNodes.item(0);
+
+            // remove the first paragraph element node
+            if (firstParaNode != null) {
+                Node parent = firstParaNode.getParentNode();
+                parent.removeChild(firstParaNode);
+            }
+
+            // check all the attributes and remove those we supported in
+            // converter
+            // NOTE: for attribute list, refer to section 4.7.2 in specification
+            int len = attrNodes.getLength();
+
+            for (int i = 0; i < len; ) {
+                Node attr = attrNodes.item(i);
+
+                // when we hit the end of the attribute nodes, return
+                // it may happen sooner as we keep on removing nodes
+                if (attr == null) {
+                    break;
+                }
+                // remove the supported attr except columns repeated attribute
+                if (cc.canConvertAttribute(OfficeConstants.TAG_TABLE_CELL,
+                                           attr.getNodeName()) &&
+                    !attr.getNodeName().equals(
+                        OfficeConstants.ATTRIBUTE_TABLE_NUM_COLUMNS_REPEATED)) {
+
+                    attrNodes.removeNamedItem(attr.getNodeName());
+                } else {
+                    i++;
+                }
+            }
+        }
+    }
+}
+