public frmPhysicalDrawBoard(MetaData md)
{
InitializeComponent();
generate = new GeneratePhysicalModel(md);
generate.Process();
pnlPhysical.drawMetaDataPhysical(generate.mdp);
}
public void saveConceptualToXML(String fpath, MetaData obj)
{
serializer = new XmlSerializer(typeof(MetaData));
FileStream fs = new FileStream(fpath, FileMode.Create);
serializer.Serialize(fs, obj);
fs.Close();
}
public GeneratePhysicalModel(string url)
{
erd = js.loadFromXML(url);
}
//Constructors
public GeneratePhysicalModel(MetaData md)
{
erd = md;
}
//Get, Load Metadata
public MetaData getMetaData()
{
MetaData ERD = new MetaData();
foreach (Control c in this.Controls)
{
if (c is EntityShape || c is RelationshipShape || c is SubTypeConnector)
{
ShapeBase s = (ShapeBase)c;
if (s is EntityShape)
{
EntityShape en = (EntityShape)s;
EntityData entity = (EntityData)en.getMetaData();
foreach (AttributeShape att in en.attributes)
{
AttributeData attribute = (AttributeData)att.getMetaData();
if (att.isComposite)
{
attribute.isComposite = true;
foreach (AttributeShape attchild in att.attributeChilds)
{
AttributeData attributechild = (AttributeData)attchild.getMetaData();
attribute.AttributeChilds.Add(attributechild);
}
}
entity.Attributes.Add(attribute);
}
ERD.Entities.Add(entity);
}
if (s is RelationshipShape)
{
RelationshipShape rel = (RelationshipShape)s;
RelationshipData relationship = (RelationshipData)rel.getMetaData();
foreach (AttributeShape att in rel.attributes)
{
AttributeData attribute = (AttributeData)att.getMetaData();
if (att.isComposite)
{
attribute.isComposite = true;
foreach (AttributeShape attchild in att.attributeChilds)
{
AttributeData attributechild = (AttributeData)attchild.getMetaData();
attribute.AttributeChilds.Add(attributechild);
}
}
relationship.Attributes.Add(attribute);
}
foreach (CardinalityShape cardi in rel.cardinalities)
{
CardinalityData cardinality = new CardinalityData(cardi.Entity.sName, cardi.MinCardinality, cardi.MaxCardinality);
relationship.Cardinalities.Add(cardinality);
}
ERD.Relationships.Add(relationship);
}
if (s is SubTypeConnector)
{
SubTypeConnectorData subtypeconnectordata = (SubTypeConnectorData)((SubTypeConnector)s).getMetaData();
ERD.SubTypeConnectors.Add(subtypeconnectordata);
}
}
}
return ERD;
}
public void drawMetaData(MetaData ERD)
{
this.Controls.Clear(); //Xóa hết, vẽ lại
// Vẽ entity và Attribute của nó
foreach (EntityData en in ERD.Entities)
{
EntityShape entity = (EntityShape)en.createNotation();
this.Controls.Add(entity);
foreach (AttributeData att in en.Attributes)
{
AttributeShape attribute = (AttributeShape)att.createNotation();
if (att.isComposite)
{
foreach (AttributeData attChild in att.AttributeChilds)
{
AttributeShape attributeChild = (AttributeShape)attChild.createNotation();
attribute.addAttribute(attributeChild);
this.Controls.Add(attributeChild);
}
}
entity.addAttribute(attribute);
this.Controls.Add(attribute);
}
}
//Phù, mệt wá, ráng thôi, Vẽ tiếp relationship, attribute và cardinality của nó
//Xài interface, hết mệt
foreach (RelationshipData rel in ERD.Relationships)
{
RelationshipShape relationship = (RelationshipShape)rel.createNotation();
this.Controls.Add(relationship);
foreach (AttributeData att in rel.Attributes)
{
AttributeShape attribute = (AttributeShape)att.createNotation();
if (att.isComposite)
{
foreach (AttributeData attChild in att.AttributeChilds)
{
AttributeShape attributeChild = (AttributeShape)attChild.createNotation();
attribute.addAttribute(attributeChild);
this.Controls.Add(attributeChild);
}
}
relationship.addAttribute(attribute);
this.Controls.Add(attribute);
}
foreach (CardinalityData cardi in rel.Cardinalities)
{
//Tìm Entity để add vào Cardinality
foreach (ShapeBase s in this.Controls)
{
if (s.GetType().Name == "EntityShape" && s.sName == cardi.Entity)
{
relationship.CreateCardinality((EntityShape)s, cardi.MinCardinality, cardi.MaxCardinality);
break;
}
}
}
}
foreach (SubTypeConnectorData subtypeconnectordata in ERD.SubTypeConnectors)
{
SubTypeConnector subtypeconnector = (SubTypeConnector)subtypeconnectordata.createNotation();
foreach (ShapeBase s in this.Controls)
{
if (s is EntityShape && s.sName == subtypeconnectordata.SuperType)
{
subtypeconnector.supertype = (EntityShape)s;
((EntityShape)s).SubtypeConnector = subtypeconnector;
}
}
foreach (string subtypename in subtypeconnectordata.SubTypes)
{
foreach (ShapeBase s in this.Controls)
{
if (s is EntityShape && s.sName == subtypename)
{
subtypeconnector.addSubType((EntityShape)s);
}
}
}
foreach (ShapeBase s in this.Controls)
{
if (s is AttributeShape && s.sName == subtypeconnectordata.AttributeDiscriminator)
{
subtypeconnector.AttributeDiscriminator = (AttributeShape)s;
}
}
this.Controls.Add(subtypeconnector);
}
this.Refresh();
}