public void Save()
{
svg s = new svg();
s.version = "1.1";
s.width = (this.m_schema.DiagramPagesHorz * CtlExpressG.PageX).ToString();
s.height = (this.m_schema.DiagramPagesVert * CtlExpressG.PageY).ToString();
foreach (DocEntity docEnt in this.m_schema.Entities)
{
g group = SaveDefinition(docEnt, null);
s.g.Add(group);
if (group != null)
{
SaveTree(group, docEnt.Tree, null, true);
foreach (DocAttribute docAttr in docEnt.Attributes)
{
if (docAttr.DiagramLine != null && docAttr.DiagramLine.Count >= 2)
{
g attr = new g();
group.groups.Add(attr);
attr.id = docAttr.Name;
bool?linestyle = false;
if (docAttr.IsOptional)
{
linestyle = null;
}
SaveLine(attr, docAttr.DiagramLine, null, linestyle);
// calculate midpoint of line
double mx = (docAttr.DiagramLine[0].X + docAttr.DiagramLine[docAttr.DiagramLine.Count - 1].X) * 0.5;
double my = (docAttr.DiagramLine[0].Y + docAttr.DiagramLine[docAttr.DiagramLine.Count - 1].Y) * 0.5;
// vex files define relative position
double rx = docAttr.DiagramLabel.X - docAttr.DiagramLine[0].X;
double ry = docAttr.DiagramLabel.Y - docAttr.DiagramLine[0].Y;
// calculate absolute position
double ax = mx + rx;
double ay = my + ry;
text t = new text();
attr.text.Add(t);
t.value = (docAttr.Name + " " + docAttr.GetAggregationExpression()).Trim();
t.fill = "black";
t.x = (ax * CtlExpressG.Factor).ToString();
t.y = (ay * CtlExpressG.Factor).ToString();
t.alignment_baseline = "middle";
t.text_anchor = "middle";
t.font_size = "10";
t.font_family = "Arial, Helvetica, sans-serif";
}
}
}
}
foreach (DocType docEnt in this.m_schema.Types)
{
g group = SaveDefinition(docEnt, null);
s.g.Add(group);
if (docEnt is DocSelect)
{
DocSelect docSelect = (DocSelect)docEnt;
SaveTree(group, docSelect.Tree, null, false);
}
}
foreach (DocPrimitive docEnt in this.m_schema.Primitives)
{
g group = SaveDefinition(docEnt, null);
s.g.Add(group);
}
foreach (DocSchemaRef docRef in this.m_schema.SchemaRefs)
{
g r = SaveDefinition(docRef, null);
s.g.Add(r);
foreach (DocDefinitionRef docDef in docRef.Definitions)
{
g group = SaveDefinition(docDef, docRef.Name + "\r\n" + docDef.Name);
r.groups.Add(group);
SaveTree(group, docDef.Tree, null, true);
}
}
foreach (DocPageTarget docTarget in this.m_schema.PageTargets)
{
g target = SaveDefinition(docTarget, null);
s.g.Add(target);
SaveLine(target, docTarget.DiagramLine, null, false);
foreach (DocPageSource docSource in docTarget.Sources)
{
g source = SaveDefinition(docSource, null);
target.groups.Add(source);
}
}
// grid lines
if (this.m_format == DiagramFormat.ExpressG)
{
g grid = new g();
s.g.Add(grid);
for (int iPageY = 0; iPageY < m_schema.DiagramPagesVert; iPageY++)
{
for (int iPageX = 0; iPageX < m_schema.DiagramPagesHorz; iPageX++)
{
rect r = new rect();
r.x = (iPageX * CtlExpressG.PageX).ToString();
r.y = (iPageY * CtlExpressG.PageY).ToString();
r.width = CtlExpressG.PageX.ToString();
r.height = CtlExpressG.PageY.ToString();
r.fill = "none";
r.stroke = "lime";
grid.rect.Add(r);
}
}
}
using (FormatXML format = new FormatXML(this.m_filename, typeof(svg), "http://www.w3.org/2000/svg"))
{
format.Instance = s;
format.Save();
}
}
public void Load()
{
svg s = null;
using (FormatXML format = new FormatXML(this.m_filename, typeof(svg), "http://www.w3.org/2000/svg"))
{
format.Load();
s = format.Instance as svg;
}
if (s == null)
{
return;
}
// apply diagram to existing schema elements
foreach (g group in s.g)
{
// primitive
DocDefinition docDef = null;
switch (group.id)
{
case "INTEGER":
case "REAL":
case "BOOLEAN":
case "LOGICAL":
case "STRING":
case "BINARY":
docDef = new DocPrimitive();
docDef.Name = group.id;
m_schema.Primitives.Add((DocPrimitive)docDef);
break;
default:
docDef = this.m_schema.GetDefinition(group.id);
break;
}
if (docDef != null)
{
docDef.DiagramRectangle = LoadRectangle(group);
// attributes, supertype...
if (docDef is DocEntity)
{
DocEntity docEnt = (DocEntity)docDef;
LoadTree(group, docEnt.Tree);
foreach (g subgroup in group.groups)
{
foreach (DocAttribute docAttr in docEnt.Attributes)
{
if (docAttr.Name.Equals(subgroup.id))
{
LoadLine(subgroup, docAttr.DiagramLine);
if (subgroup.text.Count == 1)
{
double ax = Double.Parse(subgroup.text[0].x) / CtlExpressG.Factor;
double ay = Double.Parse(subgroup.text[0].y) / CtlExpressG.Factor;
docAttr.DiagramLabel = new DocRectangle();
docAttr.DiagramLabel.X = ax;
docAttr.DiagramLabel.Y = ay;
}
break;
}
}
}
// base type???
}
else if (docDef is DocDefined)
{
DocDefined docDefined = (DocDefined)docDef;
LoadLine(group, docDefined.DiagramLine);
}
else if (docDef is DocSelect)
{
DocSelect docSelect = (DocSelect)docDef;
LoadTree(group, docSelect.Tree);
}
}
else
{
// schema ref
DocSchema docTargetSchema = this.m_project.GetSchema(group.id);
if (docTargetSchema != null)
{
DocSchemaRef docSchemaRef = new DocSchemaRef();
docSchemaRef.Name = group.id;
this.m_schema.SchemaRefs.Add(docSchemaRef);
foreach (g subgroup in group.groups)
{
DocDefinition docTargetDef = docTargetSchema.GetDefinition(subgroup.id);
if (docTargetDef != null)
{
DocDefinitionRef docDefRef = new DocDefinitionRef();
docDefRef.Name = subgroup.id;
docSchemaRef.Definitions.Add(docDefRef);
docDefRef.DiagramRectangle = LoadRectangle(subgroup);
LoadTree(subgroup, docDefRef.Tree);
}
}
}
else
{
// primitive?
// page targets
DocPageTarget docPageTarget = new DocPageTarget();
docPageTarget.Name = group.id;
this.m_schema.PageTargets.Add(docPageTarget);
docPageTarget.DiagramRectangle = LoadRectangle(group);
//...docPageTarget.Definition =
LoadLine(group, docPageTarget.DiagramLine);
foreach (g subgroup in group.groups)
{
DocPageSource docPageSource = new DocPageSource();
docPageSource.Name = subgroup.id;
docPageTarget.Sources.Add(docPageSource);
docPageSource.DiagramRectangle = LoadRectangle(subgroup);
}
}
}
}
}
