new features of the opscript language vicente arturo romero zaldivar university of cienfuegos....
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New Features of the OPScript Language New Features of the OPScript Language
Vicente Arturo ROMERO ZALDIVAR
University of Cienfuegos. email: [email protected]
Jon Ander ELORRIAGA ARANDIA
University of the Basque Country
Mateo Jerónimo LEZCANO BRITO
University of Las Villas
Mikel LARRAÑAGA
University of the Basque Country
Vicente Arturo ROMERO ZALDIVAR
University of Cienfuegos. email: [email protected]
Jon Ander ELORRIAGA ARANDIA
University of the Basque Country
Mateo Jerónimo LEZCANO BRITO
University of Las Villas
Mikel LARRAÑAGA
University of the Basque Country
IntroductionIntroductionFacilitate the development of
educational aplicationsLanguages that facilitate the work
Automatic code generationCode reuse
Facilitate the development of educational aplications
Languages that facilitate the work Automatic code generationCode reuse
OPScript LanguageOPScript LanguageThe Script language for YADBrowserRapid development of educational
applicationsPersistenceComponents reuse
Object ModelTUserTRasterObject
TdocumentTSprite
The Script language for YADBrowserRapid development of educational
applicationsPersistenceComponents reuse
Object ModelTUserTRasterObject
TdocumentTSprite
MetaData and Reusable MethodsMetaData and Reusable MethodsTStudent = class string [level] fLevel; end;
…
var string s;begin ... s := GetStringFieldVal(level); ...end;
TStudent = class string [level] fLevel; end;
…
var string s;begin ... s := GetStringFieldVal(level); ...end;
Verbal Communication between ObjectsVerbal Communication between ObjectsMakes possible the interaction of two
objects without additional programming
Makes possible the interaction of two objects without additional programming
Verbal Communication between ObjectsVerbal Communication between ObjectsThe relationship between the objects is created
automatically
TExercise = class needs Play; fields string [mediafile] fPath; methods procedure PlayMedia(); begin ExecuteVerb('Play'); end;end; TPlayer = class methods procedure DoPlay(); var string Path; begin Path := GetStringFieldVal('mediafile'); ... end; offers Play(DoPlay);end;
The relationship between the objects is created automatically
TExercise = class needs Play; fields string [mediafile] fPath; methods procedure PlayMedia(); begin ExecuteVerb('Play'); end;end; TPlayer = class methods procedure DoPlay(); var string Path; begin Path := GetStringFieldVal('mediafile'); ... end; offers Play(DoPlay);end;
Verbal Communication between ObjectsVerbal Communication between ObjectsAn important part of the web
application development process is reduce to the inclussion of objects
Verbal Communication facilitates the adaption of educational applications to the skills and knowledge of a given studentAn object can interact with different
objects
An important part of the web application development process is reduce to the inclussion of objects
Verbal Communication facilitates the adaption of educational applications to the skills and knowledge of a given studentAn object can interact with different
objects
XML Object ModelsXML Object ModelsYADBrowser allows loading object models
represented in XML filesDynamical addition of object models to the current
application modelA simpler way to define an object model
var Object Graph;begin ... Graph:=XMLModel.LoadModelFrom('XMLModels\
BeginnerGraph.xml'); ...end;
YADBrowser allows loading object models represented in XML filesDynamical addition of object models to the current
application modelA simpler way to define an object model
var Object Graph;begin ... Graph:=XMLModel.LoadModelFrom('XMLModels\
BeginnerGraph.xml'); ...end;
XML Object ModelsXML Object Models<?xml version="1.0" encoding="UTF-8"?><graph id='Root' CurrentNode='Start'> <methods><!--procedure ProcessEvent(); … <?xml version="1.0" encoding="UTF-8"?><graph id='Root' CurrentNode='Start'> <methods><!--procedure ProcessEvent(); var .. begin … end;--> </methods> <verb name='ChangeEvent' offers='true' method='ProcessEvent' /> … <node id='Start' name='StartNode'> <link id='LStartOn' node='On' event='1' /> ..</graph>
<?xml version="1.0" encoding="UTF-8"?><graph id='Root' CurrentNode='Start'> <methods><!--procedure ProcessEvent(); … <?xml version="1.0" encoding="UTF-8"?><graph id='Root' CurrentNode='Start'> <methods><!--procedure ProcessEvent(); var .. begin … end;--> </methods> <verb name='ChangeEvent' offers='true' method='ProcessEvent' /> … <node id='Start' name='StartNode'> <link id='LStartOn' node='On' event='1' /> ..</graph>
ConclusionsConclusionsNew features of the OPScript LanguageApplications can be more easily adapted
Downloading object models
New features of the OPScript LanguageApplications can be more easily adapted
Downloading object models