xref: /aoo4110/main/offapi/com/sun/star/embed/ElementModes.idl (revision b1cdbd2c)

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#ifndef __com_sun_star_embed_ElementModes_idl__
#define __com_sun_star_embed_ElementModes_idl__


//============================================================================

module com { module sun { module star { module embed {

//============================================================================
/** The constant set contains possible modes to open an element.

	<p>
	The modes can be combined by 'or' operation.
	<const>ElementModes::READ</const> and <const>ElementModes::WRITE</const>
	are base modes. A result mode must include one of base modes.
	</p>

	@see <type>XStorage</type>
*/
published constants ElementModes
{
	//------------------------------------------------------------------------
	/** specifies opening of an element for reading.
	 */
	const long READ = 1;

	//------------------------------------------------------------------------
	/** specifies opening of a seekable element.

		<p>
		This mode is ignored for <type>Storage</type> elements.
		This flag makes sence only in combination with
		<const>ElementModes::READ</const> and/or
		<const>ElementModes::WRITE</const>.
		</p>
	 */
	const long SEEKABLE = 2;

	//------------------------------------------------------------------------
	/** specifies opening of a seekable element for reading.

		<p>
		This is just a combination of the previous two values. For storages
		it is the same as <const>ElementModes::READ</const>.
		</p>
	 */
	const long SEEKABLEREAD = 3;

	//------------------------------------------------------------------------
	/** specifies opening of an element for writing.
	 */
	const long WRITE = 4;

	//------------------------------------------------------------------------
	/** specifies opening of an element for reading and writing.

		<p>
		For a stream element is also specifies that it must be seekable.
		</p>
	 */
	const long READWRITE = 7;

	//------------------------------------------------------------------------
	/** lets the document be truncated immediatelly after opening.

		<p>
		This flag makes sence only in combination with
		<const>ElementModes::WRITE</const>.
		</p>
	 */
	const long TRUNCATE = 8;

	//------------------------------------------------------------------------
	/** restricts creation of a new element on opening in case a requested one
		does not exist.

		<p>
		This flag makes sence only in combination with
		<const>ElementModes::WRITE</const>.
		</p>
	 */
	const long NOCREATE = 16;
};

//============================================================================

}; }; }; };

#endif