1 files changed, 507 insertions, 0 deletions
diff --git a/wizards/com/sun/star/wizards/ui/event/DataAwareFields.java b/wizards/com/sun/star/wizards/ui/event/DataAwareFields.java
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index 000000000000..119b2b6e1e51
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+++ b/wizards/com/sun/star/wizards/ui/event/DataAwareFields.java
@@ -0,0 +1,507 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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.wizards.ui.event;
+
+import java.lang.reflect.Field;
+import com.sun.star.wizards.common.PropertyNames;
+import com.sun.star.uno.Any;
+
+/**
+ * This class is a factory for Value objects for different types of
+ * memebers.
+ * Other than some Value implementations classes this class contains static
+ * type conversion methods and factory methods.
+ *
+ * @see com.sun.star.wizards.ui.event.DataAware.Value
+ */
+public class DataAwareFields
+{
+
+    private static final String TRUE = "true";
+    private static final String FALSE = "false";
+
+    /**
+     * returns a Value Object which sets and gets values
+     * and converting them to other types, according to the "value" argument.
+     *
+     * @param owner
+     * @param fieldname
+     * @param value
+     * @return
+     * @throws NoSuchFieldException
+     */
+    public static DataAware.Value getFieldValueFor(Object owner, String fieldname, Object value)
+    {
+        try
+        {
+            Field f = owner.getClass().getField(fieldname);
+
+            Class c = f.getType();
+            Class c2 = value.getClass();
+            if (c.equals(Boolean.TYPE))
+            {
+                return new BooleanFieldValue(f, c2);
+            }
+            else if (c.equals(Integer.TYPE))
+            {
+                return new IntFieldValue(f, c2);
+            }
+            else if (c.equals(Double.TYPE))
+            {
+                return new DoubleFieldValue(f, c2);
+            }
+            else if (c.equals(String.class) && c2.equals(Integer.class))
+            {
+                return new ConvertedStringValue(f, c2);
+            }
+            else
+            {
+                return new SimpleFieldValue(f);
+            }
+        }
+        catch (NoSuchFieldException ex)
+        {
+            ex.printStackTrace();
+            return null;
+        }
+    }
+
+    /**
+     * an abstract implementation of DataAware.Value to access
+     * object memebers (fields) usign reflection.
+     */
+    private static abstract class FieldValue implements DataAware.Value
+    {
+
+        Field field;
+
+        public FieldValue(Field field_)
+        {
+            field = field_;
+        }
+
+        public boolean isAssignable(Class type)
+        {
+            return field.getDeclaringClass().isAssignableFrom(type);
+        }
+    }
+
+    private static class BooleanFieldValue extends FieldValue
+    {
+
+        private Class convertTo;
+
+        public BooleanFieldValue(Field f, Class convertTo_)
+        {
+            super(f);
+            convertTo = convertTo_;
+        }
+
+        /* (non-Javadoc)
+         * @see com.sun.star.wizards.ui.event.DataAware.Value#get(java.lang.Object)
+         */
+        public Object get(Object target)
+        {
+            try
+            {
+                boolean b = field.getBoolean(target);
+                if (convertTo.equals(Boolean.class))
+                {
+                    return b ? Boolean.TRUE : Boolean.FALSE;
+                }
+                else if (Number.class.isAssignableFrom(convertTo))
+                {
+                    return toNumber(b ? 1 : 0, convertTo);
+                }
+                else if (convertTo.equals(String.class))
+                {
+                    return String.valueOf(b);
+                }
+                else if (convertTo.isArray())
+                {
+                    return toShortArray(toInt(b));
+                }
+                else
+                {
+                    throw new IllegalArgumentException("Cannot convert boolean value to given type (" + convertTo.getName() + ").");
+                }
+            }
+            catch (IllegalAccessException ex)
+            {
+                ex.printStackTrace();
+                return null;
+            }
+        }
+
+        public void set(Object value, Object target)
+        {
+            try
+            {
+                field.setBoolean(target, toBoolean(value));
+            }
+            catch (IllegalAccessException ex)
+            {
+                ex.printStackTrace();
+            }
+        }
+    }
+
+    private static class IntFieldValue extends FieldValue
+    {
+
+        private Class convertTo;
+
+        public IntFieldValue(Field f, Class convertTo_)
+        {
+            super(f);
+            convertTo = convertTo_;
+        }
+
+        /* (non-Javadoc)
+         * @see com.sun.star.wizards.ui.event.DataAware.Value#get(java.lang.Object)
+         */
+        public Object get(Object target)
+        {
+            try
+            {
+                int i = field.getInt(target);
+                if (convertTo.equals(Boolean.class))
+                {
+                    return i != 0 ? Boolean.TRUE : Boolean.FALSE;
+                }
+                else if (Number.class.isAssignableFrom(convertTo))
+                {
+                    return toNumber(i, convertTo);
+                }
+                else if (convertTo.equals(String.class))
+                {
+                    return String.valueOf(i);
+                }
+                else if (convertTo.isArray())
+                {
+                    return toShortArray(i);
+                }
+                else
+                {
+                    throw new IllegalArgumentException("Cannot convert int value to given type (" + convertTo.getName() + ").");
+                }
+            }
+            catch (IllegalAccessException ex)
+            {
+                ex.printStackTrace();
+                return null;
+            }
+        }
+
+        public void set(Object value, Object target)
+        {
+            try
+            {
+                field.setInt(target, (int) toDouble(value));
+            }
+            catch (IllegalAccessException ex)
+            {
+                ex.printStackTrace();
+            }
+        }
+    }
+
+    private static class DoubleFieldValue extends FieldValue
+    {
+
+        private Class convertTo;
+
+        public DoubleFieldValue(Field f, Class convertTo_)
+        {
+            super(f);
+            convertTo = convertTo_;
+        }
+
+        /* (non-Javadoc)
+         * @see com.sun.star.wizards.ui.event.DataAware.Value#get(java.lang.Object)
+         */
+        public Object get(Object target)
+        {
+            try
+            {
+                double d = field.getDouble(target);
+                if (convertTo.equals(Boolean.class))
+                {
+                    return d != 0 ? Boolean.TRUE : Boolean.FALSE;
+                }
+                else if (Number.class.isAssignableFrom(convertTo))
+                {
+                    return toNumber(d, convertTo);
+                }
+                else if (convertTo.equals(String.class))
+                {
+                    return String.valueOf(d);
+                }
+                else if (convertTo.isArray())
+                {
+                    return toShortArray(d);
+                }
+                else
+                {
+                    throw new IllegalArgumentException("Cannot convert int value to given type (" + convertTo.getName() + ").");
+                }
+            }
+            catch (IllegalAccessException ex)
+            {
+                ex.printStackTrace();
+                return null;
+            }
+        }
+
+        public void set(Object value, Object target)
+        {
+            try
+            {
+                field.setDouble(target, toDouble(value));
+            }
+            catch (IllegalAccessException ex)
+            {
+                ex.printStackTrace();
+            }
+        }
+    }
+
+    private static class ConvertedStringValue extends FieldValue
+    {
+
+        private Class convertTo;
+
+        public ConvertedStringValue(Field f, Class convertTo_)
+        {
+            super(f);
+            convertTo = convertTo_;
+        }
+
+        /* (non-Javadoc)
+         * @see com.sun.star.wizards.ui.event.DataAware.Value#get(java.lang.Object)
+         */
+        public Object get(Object target)
+        {
+            try
+            {
+                String s = (String) field.get(target);
+
+                if (convertTo.equals(Boolean.class))
+                {
+                    return (s != null && !s.equals("") && s.equals("true")) ? Boolean.TRUE : Boolean.FALSE;
+                }
+                else if (convertTo.equals(Integer.class))
+                {
+                    if (s == null || s.equals(""))
+                    {
+                        return Any.VOID;
+                    }
+                    else
+                    {
+                        return new Integer(s);
+                    }
+                }
+                else if (convertTo.equals(Double.class))
+                {
+                    if (s == null || s.equals(""))
+                    {
+                        return Any.VOID;
+                    }
+                    else
+                    {
+                        return new Double(s);
+                    }
+                }
+                else
+                {
+                    throw new IllegalArgumentException("Cannot convert int value to given type (" + convertTo.getName() + ").");
+                }
+            }
+            catch (IllegalAccessException ex)
+            {
+                ex.printStackTrace();
+                return null;
+            }
+        }
+
+        public void set(Object value, Object target)
+        {
+            try
+            {
+                field.set(target, value == null || (value.equals(Any.VOID)) ? "" : value.toString());
+            }
+            catch (IllegalAccessException ex)
+            {
+                ex.printStackTrace();
+            }
+        }
+    }
+
+    private static class SimpleFieldValue extends FieldValue
+    {
+
+        public SimpleFieldValue(Field f)
+        {
+            super(f);
+        }
+        /* (non-Javadoc)
+         * @see com.sun.star.wizards.ui.event.DataAware.Value#get(java.lang.Object)
+         */
+
+        public Object get(Object target)
+        {
+            try
+            {
+                if (target == null)
+                {
+                    if (field.getType().equals(String.class))
+                    {
+                        return "";
+                    }
+                    if (field.getType().equals(Short.class))
+                    {
+                        return new Short((short) 0);
+                    }
+                    if (field.getType().equals(Integer.class))
+                    {
+                        return new Integer(0);
+                    }
+                    if (field.getType().equals(short[].class))
+                    {
+                        return new short[0];
+                    }
+                    else
+                    {
+                        return null;
+                    }
+                }
+                else
+                {
+                    return field.get(target);
+                }
+            }
+            catch (IllegalAccessException ex)
+            {
+                ex.printStackTrace();
+                return null;
+            }
+        }
+
+        public void set(Object value, Object target)
+        {
+            try
+            {
+                field.set(target, value);
+            }
+            catch (IllegalAccessException ex)
+            {
+                ex.printStackTrace();
+            }
+        }
+    }
+
+    private static double toDouble(Object value)
+    {
+        if (value instanceof Boolean)
+        {
+            return ((Boolean) value).booleanValue() ? 1 : 0;
+        }
+        else if (value instanceof Number)
+        {
+            return ((Number) value).doubleValue();
+        }
+        else if (value instanceof String)
+        {
+            return Double.valueOf((String) value).doubleValue();
+        }
+        else if (value instanceof short[])
+        {
+            return ((short[]) value).length == 0 ? 0 : ((short[]) value)[0];
+        }
+        else
+        {
+            throw new IllegalArgumentException("Can't convert value to double." + value.getClass().getName());
+        }
+    }
+
+    private static boolean toBoolean(Object value)
+    {
+        if (value instanceof Boolean)
+        {
+            return ((Boolean) value).booleanValue();
+        }
+        else if (value instanceof Number)
+        {
+            return ((Number) value).intValue() != 0;
+        }
+        else if (value instanceof String)
+        {
+            return ((String) value).equals(TRUE);
+        }
+        else if (value instanceof short[])
+        {
+            return ((short[]) value).length != 0 && ((short[]) value)[0] != 0;
+        }
+        else
+        {
+            throw new IllegalArgumentException("Can't convert value to boolean." + value.getClass().getName());
+        }
+    }
+
+    private static int toInt(boolean b)
+    {
+        return b ? 1 : 0;
+    }
+
+    private static short[] toShortArray(double i)
+    {
+        return new short[]
+                {
+                    (short) i
+                };
+    }
+
+    private static Number toNumber(double i, Class c)
+    {
+        if (c.equals(Integer.class))
+        {
+            return new Integer((int) i);
+        }
+        else if (c.equals(Short.class))
+        {
+            return new Short((short) i);
+        }
+        else if (c.equals(Double.class))
+        {
+            return new Double(i);
+        }
+        else
+        {
+            throw new IllegalArgumentException("Cannot convert to the given Number type.");
+        }
+    }
+}