//create a new diagram
public DDTDiagram newDiagram(string name,DDT_Diagram_Type type)
{
string diagramName;
if (name == null || name.Length == 0)
{
diagramName = "new_diagram";
}
else diagramName = name;
DDT.DDTDiagram newDiagram = new DDT.DDTDiagram(diagramName,type);
this.project.addDiagram(newDiagram);
return newDiagram;
}
public List<DDT.DDTDiagram> getORV(int objID)
{
List<DDT.DDTDiagram> ORVList = new List<DDTDiagram>();
double max = 4.0; //6 relations a group
DDT.DDTObject obj = getDDTObjectById(objID, project.objects);
string diaName = obj.name + "_ORV";
List<DDT.DDTRelation> relList = new List<DDTRelation>();
//get all ERD relations related to the object we want
foreach (DDTRelation rel in project.relations)
{
if (rel.diagramType == DDT_Diagram_Type.ERD)
{
if (rel.from.objectId == objID || rel.to.objectId == objID)
{
relList.Add(rel);
}
}
}
//6+1 obj in a group at maximum
int groups = (int)Math.Ceiling((double)(relList.Count) / max);
int remainder = relList.Count%(int)max; //last group has such many relations
int i;
int secondObjID;
DDTRelation tmpRel;
DDTObject tmpObj;
DDT.DDT_Obj_Type t;
//get diagram for each group except the last group
if (groups >= 2)
{
for (i = 1; i < groups; i++)
{
string diaNamei = diaName + "_" + i.ToString();
DDT.DDTDiagram diagram = new DDT.DDTDiagram(diaNamei, DDT_Diagram_Type.ORV);
//locate the first object
diagram.ObjRefList.Add(new DDTObjectReference(objID, new Point(50, 210)));
//get 6 relations for each group
for (int k = (int)max * (i - 1); k < (int)max * i; k++)
{
if (relList[k].from.objectId == objID && relList[k].to.objectId != objID)
{
secondObjID = relList[k].to.objectId;
}
else if (relList[k].to.objectId == objID && relList[k].from.objectId != objID)
{
secondObjID = relList[k].from.objectId;
}
else { //it's a link to itself
tmpRel = getDDTRelationById(relList[k].ID,project.relations).deepClone();
tmpRel.diagramType = DDT_Diagram_Type.ORV;
project.relations.Add(tmpRel);
diagram.RelIDList.Add(tmpRel.ID);
continue;
}
t = getDDTObjectById(secondObjID, project.objects).type;
if (t == DDT_Obj_Type.ADT || t == DDT_Obj_Type.COBJECT || t == DDT_Obj_Type.SMOBJECT)
{
;
}
else
{//if not 3 main type. then create need object and add to list
tmpObj = getDDTObjectById(secondObjID, project.objects).deepClone();
project.objects.Add(tmpObj);
secondObjID = tmpObj.ID;
}
Point p = getLocator(k);
//add relations in group i to diagram i.
/*
* change connector position
*/
tmpRel = getDDTRelationById(relList[k].ID, project.relations).deepClone();
tmpRel.diagramType = DDT_Diagram_Type.ORV;
//arrange connectors
if (tmpRel.from.objectId == objID)
{
tmpRel.from.pos = DDT.Conn_Position.RIGHT;
tmpRel.to.pos = DDT.Conn_Position.LEFT;
//change to the second object
tmpRel.to.objectId = secondObjID;
}
else
{
tmpRel.from.pos = DDT.Conn_Position.LEFT;
tmpRel.to.pos = DDT.Conn_Position.RIGHT;
tmpRel.from.objectId = secondObjID;
}
project.relations.Add(tmpRel);
diagram.RelIDList.Add(tmpRel.ID);
diagram.ObjRefList.Add(new DDTObjectReference(secondObjID, p));
}
ORVList.Add(diagram);
}
//last diagram
string lastDiaName = diaName + "_" + groups.ToString();
DDT.DDTDiagram diagramLast = new DDT.DDTDiagram(lastDiaName, DDT_Diagram_Type.ORV);
diagramLast.ObjRefList.Add(new DDTObjectReference(objID, new Point(50, 210)));
for (i = remainder; i > 0; i--)
{
int index = relList.Count - i;
if (relList[index].from.objectId == objID && relList[index].to.objectId != objID)
{
secondObjID = relList[index].to.objectId;
}
else if (relList[index].to.objectId == objID && relList[index].from.objectId != objID)
{
secondObjID = relList[index].from.objectId;
}
else
{
tmpRel = getDDTRelationById(relList[index].ID, project.relations).deepClone();
tmpRel.diagramType = DDT_Diagram_Type.ORV;
project.relations.Add(tmpRel);
diagramLast.RelIDList.Add(tmpRel.ID);
continue;
}
t = getDDTObjectById(secondObjID, project.objects).type;
if (t == DDT_Obj_Type.ADT || t == DDT_Obj_Type.COBJECT || t == DDT_Obj_Type.SMOBJECT)
{
;
}
else
{//if not 3 main type. then create need object and add to list
tmpObj = getDDTObjectById(secondObjID, project.objects).deepClone();
project.objects.Add(tmpObj);
secondObjID = tmpObj.ID;
}
Point p1 = getLocator(i);
/*
* change connector position
*/
tmpRel = getDDTRelationById(relList[index].ID, project.relations).deepClone();
tmpRel.diagramType = DDT_Diagram_Type.ORV;
if (tmpRel.from.objectId == objID)
{
tmpRel.from.pos = DDT.Conn_Position.RIGHT;
tmpRel.to.pos = DDT.Conn_Position.LEFT;
//change to the second object
tmpRel.to.objectId = secondObjID;
}
else
{
tmpRel.from.pos = DDT.Conn_Position.LEFT;
tmpRel.to.pos = DDT.Conn_Position.RIGHT;
tmpRel.from.objectId = secondObjID;
}
project.relations.Add(tmpRel);
diagramLast.RelIDList.Add(tmpRel.ID);
diagramLast.ObjRefList.Add(new DDTObjectReference(secondObjID, p1));
}
ORVList.Add(diagramLast);
}
//if only 1 group
else if (groups == 1)
{
if (remainder == 0) remainder = (int)max;
string lastDiaName = diaName + "_" + groups.ToString();
DDT.DDTDiagram diagramLast = new DDT.DDTDiagram(lastDiaName, DDT_Diagram_Type.ORV);
diagramLast.ObjRefList.Add(new DDTObjectReference(objID, new Point(50, 210)));
for (i = remainder; i > 0; i--)
{
int index = relList.Count - i;
if (relList[index].from.objectId == objID && relList[index].to.objectId != objID)
{
secondObjID = relList[index].to.objectId;
}
else if (relList[index].to.objectId == objID && relList[index].from.objectId != objID)
{
secondObjID = relList[index].from.objectId;
}
else
{
tmpRel = getDDTRelationById(relList[index].ID, project.relations).deepClone();
tmpRel.diagramType = DDT_Diagram_Type.ORV;
project.relations.Add(tmpRel);
diagramLast.RelIDList.Add(tmpRel.ID);
continue;
}
t = getDDTObjectById(secondObjID, project.objects).type;
if (t == DDT_Obj_Type.ADT || t == DDT_Obj_Type.COBJECT || t == DDT_Obj_Type.SMOBJECT)
{
;
}
else
{//if not 3 main type. then create need object and add to list
tmpObj = getDDTObjectById(secondObjID, project.objects).deepClone();
project.objects.Add(tmpObj);
secondObjID = tmpObj.ID;
}
Point p1 = getLocator(i);
/*
* change connector position
*/
tmpRel = getDDTRelationById(relList[index].ID, project.relations).deepClone();
tmpRel.diagramType = DDT_Diagram_Type.ORV;
if (tmpRel.from.objectId == objID)
{
tmpRel.from.pos = DDT.Conn_Position.RIGHT;
tmpRel.to.pos = DDT.Conn_Position.LEFT;
//change to the second object
tmpRel.to.objectId = secondObjID;
}
else
{
tmpRel.from.pos = DDT.Conn_Position.LEFT;
tmpRel.to.pos = DDT.Conn_Position.RIGHT;
tmpRel.from.objectId = secondObjID;
}
project.relations.Add(tmpRel);
diagramLast.RelIDList.Add(tmpRel.ID);
diagramLast.ObjRefList.Add(new DDTObjectReference(secondObjID, p1));
}
ORVList.Add(diagramLast);
}
else
{
MessageBox.Show("No Object Relation found!!", "WARNING"); return null;
}
//add last Diagram
return ORVList;
}
