/// <summary>
/// Create a single instance initialized with default values
/// </summary>
/// <param name="properties">the properties to be inserted</param>
/// <param name="offset">the offset into the properties array</param>
protected PropertyBlock(POIFSBigBlockSize bigBlockSize, Property[] properties, int offset) : base(bigBlockSize)
{
_properties = new Property[bigBlockSize.GetPropertiesPerBlock()];
for (int j = 0; j < _properties.Length; j++)
{
_properties[j] = properties[j + offset];
}
}
/// <summary>
/// Create an array of PropertyBlocks from an array of Property
/// instances, creating empty Property instances to make up any
/// shortfall
/// </summary>
/// <param name="properties">the Property instances to be converted into PropertyBlocks, in a java List</param>
/// <returns>the array of newly created PropertyBlock instances</returns>
public static BlockWritable[] CreatePropertyBlockArray( POIFSBigBlockSize bigBlockSize,
List<Property> properties)
{
int _properties_per_block = bigBlockSize.GetPropertiesPerBlock();
int blockCount = (properties.Count + _properties_per_block - 1) / _properties_per_block;
Property[] toBeWritten = new Property[blockCount * _properties_per_block];
System.Array.Copy(properties.ToArray(), 0, toBeWritten, 0, properties.Count);
for (int i = properties.Count; i < toBeWritten.Length; i++)
{
toBeWritten[i] = new AnonymousProperty();
}
BlockWritable[] rvalue = new BlockWritable[blockCount];
for (int i = 0; i < blockCount; i++)
rvalue[i] = new PropertyBlock(bigBlockSize, toBeWritten, i * _properties_per_block);
return rvalue;
}
