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module com { module sun { module star { module sdb {
/** implements a component which allows the creation of SQL statements.
< p > This service implements a user interface for creating SQL statements either through a graphical design
interface or simply to enter the SQL statement directly . < / p >
< p > The design view of the QueryDesign is divided into two parts . The first part contains the table windows
where columns can be selected for the SQL statement . The second part contains the columns which should appear
in the selection of the SQL statement or criteria which narrow the query . < / p >
< h3 > Operation Modes < / h3 >
< p > A < code > QueryDesign < / code > component has 3 operation modes , which control what kind of object is edited :
< ul > < li > < a name = " query_mode " > < / a > < b > Query Mode < / b >
< p > In < code > Query Mode < / code > , the designer is used to modify an existing or create a new client - side
query . < / p > < / li >
< li > < a name = " view_mode " < / a > < b > View Mode < / b >
< p > In < code > View Mode < / code > , the designer is used to modify an existing or create a new server - side
view . < / p >
< p > The view which is being designed must support the com : : sun : : star : : sdbcx : : XAlterView
interface , except when a new view is being designed . In the latter case , the designer closes itself
automatically when < code > XAlterView < / code > is not supported , and the view has been saved . < / p > < / li >
< li > < a name = " command_mode " < / a > < b > Command Mode < / b >
< p > In < code > Command Mode < / code > , the designer is used to design an standalone SQL command . < / p >
< p > The client of the designer is then responsible to listen at changes in the
# ActiveCommand and # EscapeProcessing members , which are updated
every time the user saves the command . < / p > < / li >
< / ul > < / p >
< h3 > < a name = " initialization " > < / a > Initialization < / h3 >
< p > Initialization is done using the com : : sun : : star : : lang : : XInitialization interface ,
which expects a sequence of objects being either com : : sun : : star : : beans : : NamedValues or
com : : sun : : star : : beans : : PropertyValues . The following parameters are supported at
initialization time :
< ul >
< li > < b > Frame < / b > < br / >
has to be a com : : sun : : star : : frame : : XFrame interface specifying the frame to plug the
QueryDesign component into . < br / >
This parameter is mandatory .
< / li >
< li > < a name = " data_source " > < / a > < b > DataSourceName < / b > < br / >
specifies the name of the globally registered DataSource for which a query , view , or SQL
command is to be designed . < br / >
The DataSourceName may be omitted if and only if a valid < a href = " # active_connection " > ActiveConnection < / a >
parameter is present . < br / >
If both < code > DataSourceName < / code > and < code > ActiveConnection < / code > are present , the former
is ignored .
< / li >
< li > < a name = " active_connection " > < / a > < b > ActiveConnection < / b > < br / >
specifies the connection to work with . < br / >
May be omitted if and only if a valid < a href = " # data_source " > DataSourceName < / a > parameter is supplied .
< / li >
< li > < a name = " command " > < / a > < b > Command < / b > < br / >
specifies the name of the query or view to design , or , in case of the < a href = " # command_type " > CommandType < / a >
being CommandType : : COMMAND , the initial SQL command . < br / >
If this parameter is not present , a new query / view will be designed , respectively the initial
command will be empty .
< / li >
< li > < a name = " command_type " > < / a > < b > CommandType < / b > < br / >
specifies the type of object which should be designed . The following options are
supported :
< ul > < li > CommandType : : QUERY specifies the designer should operate in
< a href = " # query_mode " > query mode < / a > , that is , an existing client - side query should be
designed , or a new query should be created , depending on the presence of the
< a href = " # command " > Command < / a > parameter . < br / >
If the < a href = " # data_source " > DataSourceName < / a > parameter is present , the query is
looked up in the specified data source . Otherwise , the designer tries to determine
the data source which the < a href = " # active_connection " > ActiveConnection < / a > belongs
to , and looks up the query there . < / li >
< li > CommandType : : COMMAND specifies the designer should operate in
< a href = " # command_mode " > command mode < / a > , that is , a standalone SQL command
should be designed . When the user attempts to save the designed SQL statement ,
the # ActiveCommand and # EscapeProcessing properties
of the designer are updated . < / li >
< li > CommandType : : TABLE specifies the designer should operate in
< a href = " # view_mode " > view mode < / a > , that is , an existing or a new
server - side view should be designed , depending on the presence of the
< a href = " # command " > Command < / a > parameter . < br / >
If the < a href = " # data_source " > DataSourceName < / a > parameter is present , the view is
looked up in a newly created connection for the specified data source . Otherwise ,
it is looked up in the connection given as < a href = " # active_connection " > ActiveConnection < / a > . < / li >
< / ul >
If not present , this parameter defaults to CommandType : : QUERY .
< / li >
< li > < b > EscapeProcessing < / b > < br / >
Specifies whether or not escape processing should be initially enabled in the query designer . If set
to ` FALSE ` , then the designer can operate in text view only ( as opposed to the graphical view ) . The
< a href = " # graphical_design " > GraphicalDesign < / a > parameter will be ignored then , and assumed to be ` FALSE ` . < br / >
If not present , ` TRUE ` is assumed for this parameter . < / li >
< li > < a name = " graphical_design " > < / a > < b > GraphicalDesign < / b > < br / >
This value indicates whether the designer should be opened in the graphical design view
( ` TRUE ` ) or in the text view ( ` FALSE ` ) . < br / >
If not present , ` FALSE ` is assumed for this parameter .
< / li >
< / ul >
< / p >
< p > There ' s a number of legacy settings which are recognized for compatibility reasons , though
you ' re discouraged from using them :
< ul >
< li > < b > CurrentQuery < / b > < br / >
is the same as Command , and implies a < a href = " # command_type " > CommandType < / a > of
CommandType : : QUERY < / li >
< li > < b > QueryDesignView < / b > < br / >
is the same as < a href = " # graphical_design " > GraphicalDesign < / a > . < / li >
< li > < b > IndependentSQLCommand < / b > < br / >
is the same as Command , and implies a < a href = " # command_type " > CommandType < / a > of
CommandType : : COMMAND < / li >
< li > < b > CreateView < / b > < br / >
implies a < a href = " # command_type " > CommandType < / a > of CommandType : : TABLE < / li >
< / ul >
@ see com : : sun : : star : : sdb : : ContentLoader
*/
published service QueryDesign
{
/** allows the component to be plugged into frames.
*/
interface com::sun::star::frame::XController;
/** is used to initialize the QueryDesign.
< p > See chapter < a href = " # initialization " > Initialization < / a > for details . < / p >
*/
interface com::sun::star::lang::XInitialization;
/** reflects the designed SQL command at the moment it was last saved by the user.
*/
[readonly, property] string ActiveCommand;
/** specifies whether the user enabled escape processing for the statement being designed.
@ see DataAccessDescriptor : : EscapeProcessing
@ since OOo 2 . 4
*/
[readonly, property, optional] boolean EscapeProcessing;
};
}; }; }; };
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