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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: OfficeStylesCollection.java,v $
+ * $Revision: 1.4 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+
+package com.sun.star.report.pentaho.model;
+
+import com.sun.star.report.pentaho.OfficeNamespaces;
+import org.jfree.report.structure.Element;
+
+/**
+ * Holds all style-definitions and provides some simplified lookup methods to
+ * grab them by their type and name.
+ * <p/>
+ * For now, we are only interested in 'style:style' nodes. Each of these nodes
+ * has a style-name and a style-family. Each style declaration can have a parent
+ * style, from which properties are inherited.
+ * <p/>
+ * Style names are unique within the family, no matter whether the style is an
+ * automatic style, an common style or a master style.
+ * <p/>
+ * The contents of this element are the union of the 'styles.xml' file (if it
+ * exists), the font-declarations and auto-styles of the document-content.xml
+ * and the styles declared in the main document.
+ *
+ * @author Thomas Morgner
+ * @since 06.03.2007
+ */
+public class OfficeStylesCollection extends Element
+{
+  // Font-face declarations are copied as is. We simply merge them by adding
+  // them all in one set. This may result in duplicate entries, but as the
+  // fileformat does not forbid that, it therefore must be ok.
+  private final FontFaceDeclsSection fontFaceDecls;
+  private final OfficeStyles automaticStyles;
+  private final OfficeStyles commonStyles;
+  private final OfficeMasterStyles masterStyles;
+
+  public OfficeStylesCollection()
+  {
+    fontFaceDecls = new FontFaceDeclsSection();
+
+    automaticStyles = new OfficeStyles();
+    automaticStyles.setType("automatic-styles");
+    automaticStyles.setNamespace(OfficeNamespaces.OFFICE_NS);
+
+    commonStyles = new OfficeStyles();
+    commonStyles.setType("styles");
+    commonStyles.setNamespace(OfficeNamespaces.OFFICE_NS);
+
+    masterStyles = new OfficeMasterStyles();
+    masterStyles.setType("master-styles");
+    masterStyles.setNamespace(OfficeNamespaces.OFFICE_NS);
+  }
+
+  public OfficeStyle getStyle(final String family, final String name)
+  {
+    final OfficeStyle commonStyle = commonStyles.getStyle(family, name);
+    if (commonStyle != null)
+    {
+      return commonStyle;
+    }
+    final OfficeStyle autoStyle = automaticStyles.getStyle(family, name);
+    if (autoStyle != null)
+    {
+      return autoStyle;
+    }
+
+    // And later: Autogenerate one of the default styles.
+    // However, at this moment, we dont have a clue about the default styles
+    // at all. Maybe we should add them to make this implementation more robust
+    // against invalid documents.
+    return null;
+  }
+
+  public boolean containsStyle (final String family, final String name)
+  {
+    return (getStyle(family, name) != null);
+  }
+
+  public OfficeStyles getAutomaticStyles()
+  {
+    return automaticStyles;
+  }
+
+  public OfficeStyles getCommonStyles()
+  {
+    return commonStyles;
+  }
+
+  public OfficeMasterStyles getMasterStyles()
+  {
+    return masterStyles;
+  }
+
+  public FontFaceDeclsSection getFontFaceDecls()
+  {
+    return fontFaceDecls;
+  }
+}