1 files changed, 196 insertions, 0 deletions
diff --git a/reportbuilder/java/org/libreoffice/report/pentaho/StarFunctionDescription.java b/reportbuilder/java/org/libreoffice/report/pentaho/StarFunctionDescription.java
new file mode 100644
index 000000000..2eddaf307
--- /dev/null
+++ b/reportbuilder/java/org/libreoffice/report/pentaho/StarFunctionDescription.java
@@ -0,0 +1,196 @@
+/*
+ * 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.libreoffice.report.pentaho;
+
+import com.sun.star.lib.uno.helper.PropertySetMixin;
+import com.sun.star.lib.uno.helper.WeakBase;
+import com.sun.star.report.meta.XFunctionCategory;
+import com.sun.star.sheet.FunctionArgument;
+import com.sun.star.uno.Type;
+import com.sun.star.uno.XComponentContext;
+
+import java.util.Locale;
+import java.util.MissingResourceException;
+
+import org.pentaho.reporting.libraries.formula.DefaultFormulaContext;
+import org.pentaho.reporting.libraries.formula.function.FunctionDescription;
+
+public final class StarFunctionDescription extends WeakBase
+        implements com.sun.star.report.meta.XFunctionDescription
+{
+
+    private final PropertySetMixin m_prophlp;
+    private final FunctionDescription functionDescription;
+    private final XFunctionCategory category;
+    private final Locale defaultLocale;
+
+    public StarFunctionDescription(final DefaultFormulaContext defaultContext, final XComponentContext context, final XFunctionCategory category, final FunctionDescription functionDescription)
+    {
+        this.category = category;
+        Locale locale;
+        try
+        {
+            functionDescription.getDisplayName(defaultContext.getLocalizationContext().getLocale());
+            locale = defaultContext.getLocalizationContext().getLocale();
+        }
+        catch (MissingResourceException e)
+        {
+            locale = Locale.ENGLISH;
+        }
+        this.defaultLocale = locale;
+
+        this.functionDescription = functionDescription;
+        // use the last parameter of the PropertySetMixin constructor
+        // for your optional attributes if necessary. See the documentation
+        // of the PropertySetMixin helper for further information.
+        // Ensure that your attributes are initialized correctly!
+        m_prophlp = new PropertySetMixin(context, this,
+                new Type(com.sun.star.report.meta.XFunctionDescription.class), null);
+    }
+
+    // com.sun.star.beans.XPropertySet:
+    public com.sun.star.beans.XPropertySetInfo getPropertySetInfo()
+    {
+        return m_prophlp.getPropertySetInfo();
+    }
+
+    public void setPropertyValue(String aPropertyName, Object aValue) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.beans.PropertyVetoException, com.sun.star.lang.IllegalArgumentException, com.sun.star.lang.WrappedTargetException
+    {
+        m_prophlp.setPropertyValue(aPropertyName, aValue);
+    }
+
+    public Object getPropertyValue(String aPropertyName) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.lang.WrappedTargetException
+    {
+        return m_prophlp.getPropertyValue(aPropertyName);
+    }
+
+    public void addPropertyChangeListener(String aPropertyName, com.sun.star.beans.XPropertyChangeListener xListener) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.lang.WrappedTargetException
+    {
+        m_prophlp.addPropertyChangeListener(aPropertyName, xListener);
+    }
+
+    public void removePropertyChangeListener(String aPropertyName, com.sun.star.beans.XPropertyChangeListener xListener) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.lang.WrappedTargetException
+    {
+        m_prophlp.removePropertyChangeListener(aPropertyName, xListener);
+    }
+
+    public void addVetoableChangeListener(String aPropertyName, com.sun.star.beans.XVetoableChangeListener xListener) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.lang.WrappedTargetException
+    {
+        m_prophlp.addVetoableChangeListener(aPropertyName, xListener);
+    }
+
+    public void removeVetoableChangeListener(String aPropertyName, com.sun.star.beans.XVetoableChangeListener xListener) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.lang.WrappedTargetException
+    {
+        m_prophlp.removeVetoableChangeListener(aPropertyName, xListener);
+    }
+
+    // com.sun.star.report.meta.XFunctionDescription:
+    public com.sun.star.report.meta.XFunctionCategory getCategory()
+    {
+        return category;
+    }
+
+    public String getName()
+    {
+        try
+        {
+            return functionDescription.getDisplayName(defaultLocale);
+        }
+        catch (Exception ex)
+        {
+        }
+        return "Missing function name for " + this.getClass().getName();
+    }
+
+    public String getDescription()
+    {
+        try
+        {
+            return functionDescription.getDescription(defaultLocale);
+        }
+        catch (Exception ex)
+        {
+        }
+        return "Missing function description for " + this.getClass().getName();
+    }
+
+    public String getSignature()
+    {
+        final int count = functionDescription.getParameterCount();
+        final StringBuffer signature = new StringBuffer(getName());
+        signature.append('(');
+        for (int i = 0; i < count; i++)
+        {
+            signature.append(functionDescription.getParameterDisplayName(i, defaultLocale));
+            if (i != (count - 1))
+            {
+                signature.append(';');
+            }
+        }
+        signature.append(')');
+        return signature.toString();
+    }
+
+    public com.sun.star.sheet.FunctionArgument[] getArguments()
+    {
+        int count = functionDescription.getParameterCount();
+        final boolean infinite = functionDescription.isInfiniteParameterCount();
+        if (infinite)
+        {
+            // Identical value as VAR_ARGS from formula/funcvarargs.h
+            count = 255;
+        }
+        final FunctionArgument[] args = new FunctionArgument[count];
+        for (int i = 0; i < args.length; i++)
+        {
+            final int pos = infinite ? 0 : i;
+            args[i] = new FunctionArgument();
+            args[i].Description = functionDescription.getParameterDescription(pos, defaultLocale);
+            args[i].Name = functionDescription.getParameterDisplayName(pos, defaultLocale);
+            args[i].IsOptional = !functionDescription.isParameterMandatory(pos);
+        }
+        return args;
+    }
+
+    public String createFormula(String[] arguments) throws com.sun.star.lang.DisposedException, com.sun.star.lang.IllegalArgumentException, com.sun.star.uno.Exception
+    {
+        final boolean infinite = functionDescription.isInfiniteParameterCount();
+        final int count = functionDescription.getParameterCount();
+        if (!infinite && arguments.length > count)
+        {
+            throw new com.sun.star.lang.IllegalArgumentException();
+        }
+
+        final StringBuffer formula = new StringBuffer(getName());
+        formula.append('(');
+        for (int i = 0; i < arguments.length; ++i)
+        {
+            if (arguments[i].length() == 0)
+            {
+                break;
+            }
+            formula.append(arguments[i]);
+            if (i < (arguments.length - 1) && arguments[i + 1].length() != 0)
+            {
+                formula.append(';');
+            }
+        }
+        formula.append(')');
+        return formula.toString();
+    }
+}