<?php

class MarkupSchemaFactory
{
    static function CreateIDProperty()
    {
        $idProperty = new MgDataPropertyDefinition('ID');
        $idProperty->SetDataType(MgPropertyType::Int32);
        $idProperty->SetReadOnly(true);
        $idProperty->SetNullable(false);
        $idProperty->SetAutoGeneration(true);

        return $idProperty;
    }

    static function CreateTextProperty($length)
    {
        $textProperty = new MgDataPropertyDefinition('Text');
        $textProperty->SetDataType(MgPropertyType::String);
        $textProperty->SetLength($length);

        return $textProperty;
    }

    static function CreateGeometryProperty($geomType)
    {
        $geometryProperty = new MgGeometricPropertyDefinition('Geometry');
        $geometryProperty->SetGeometryTypes($geomType);
        $geometryProperty->SetHasElevation(false);
        $geometryProperty->SetHasMeasure(false);
        $geometryProperty->SetReadOnly(false);
        $geometryProperty->SetSpatialContextAssociation('Default');

        return $geometryProperty;
    }

    static function CreateMarkupClass($geomType)
    {
        $markupClass = new MgClassDefinition();
        $markupClass->SetName('Markup');
        $properties = $markupClass->GetProperties();

        $idProperty = MarkupSchemaFactory::CreateIDProperty();
        $properties->Add($idProperty);
        $properties->Add(MarkupSchemaFactory::CreateTextProperty(255));
        $properties->Add(MarkupSchemaFactory::CreateGeometryProperty($geomType));

        $markupClass->GetIdentityProperties()->Add($idProperty);
        $markupClass->SetDefaultGeometryPropertyName('Geometry');

        return $markupClass;
    }

    static function CreateMarkupSchema($geomType = -1)
    {
        $markupSchema = new MgFeatureSchema();
        $markupSchema->SetName('MarkupSchema');
        if ($geomType == -1) {
            $geomType = MgFeatureGeometricType::Point | MgFeatureGeometricType::Curve | MgFeatureGeometricType::Surface;
        }
        $markupSchema->GetClasses()->Add(MarkupSchemaFactory::CreateMarkupClass($geomType));

        return $markupSchema;
    }
}

?>