public static CodeExpression GetDrawItemExpression(DrawingControl dc)
{
if (dc != null)
{
DrawingItem di = dc.Item as DrawingItem;
if (di != null)
{
DrawDataRepeater ddp = di.Container as DrawDataRepeater;
if (ddp != null)
{
//((item type)<repeater name>[<drawing item name>])
TypeMappingAttribute tma = null;
object[] vs = dc.GetType().GetCustomAttributes(typeof(TypeMappingAttribute), true);
if (vs != null && vs.Length > 0)
{
tma = vs[0] as TypeMappingAttribute;
}
if (tma != null)
{
CodeFieldReferenceExpression repeater = new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), ddp.Name);
CodeIndexerExpression cie = new CodeIndexerExpression(repeater, new CodePrimitiveExpression(dc.Name));
CodeCastExpression cce = new CodeCastExpression(tma.MappedType, cie);
return(cce);
}
}
}
}
return(null);
}
public override void OnLoadedFromXmlFile(DrawingItem obj, IDesignPane designPane, IDrawDesignControl designControl)
{
Point p0 = this.Location;
this.Copy(obj); //contained objects are cloned in _items
if (this.Page != null && this.Page.InDesignMode)
{
DrawGroupBox dgb = obj as DrawGroupBox;
if (dgb != null)
{
IList <DrawingItem> lst = dgb.Items; //cloned in _items
if (lst != null && designPane != null && designControl != null)
{
//for each object, create a designer control and assign it to the control
Control ctrl = designControl as Control; //control corresponding to this object
foreach (DrawingItem di in lst)
{
Type t = di.GetType();
object[] vs = t.GetCustomAttributes(typeof(TypeMappingAttribute), true);
if (vs != null && vs.Length > 0)
{
TypeMappingAttribute tm = vs[0] as TypeMappingAttribute;
if (tm != null)
{
//create designer control
IComponent ic = designPane.CreateComponent(tm.MappedType, di.Name);
IDrawDesignControl idc = ic as IDrawDesignControl;
Control c = ic as Control;
DrawingItem d0 = idc.Item; //auto-created object, should be deleted
ctrl.Controls.Add(c);
idc.Item = GetItemByID(di.DrawingId); //use cloned object for the new control
c.Location = di.Location;
if (_items != null)
{
//remove auto-created object d0
for (int i = 0; i < _items.Count; i++)
{
if (d0 == _items[i] || d0.DrawingId == _items[i].DrawingId)
{
_items.RemoveAt(i);
break;
}
}
}
}
}
}
}
}
}
this.Location = p0;
}
public static Type GetDrawingItemType(Type controlType)
{
if (controlType.GetInterface("IDrawDesignControl") != null)
{
Type ret = TypeMappingAttribute.GetMappedType(controlType);
if (ret == null)
{
throw new ExceptionDrawing2D("DrawingControl type {0} does not have DrawingItemTypeAttribute", controlType.AssemblyQualifiedName);
}
return(ret);
}
else
{
return(controlType);
}
}
private void showDrawingBoard(object sender, EventArgs e)
{
MenuItem mi = sender as MenuItem;
if (mi != null)
{
DrawingPage page = mi.Tag as DrawingPage;
if (page != null)
{
IDesignerHost host = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (host != null)
{
HostSurface surface = host.GetService(typeof(DesignSurface)) as HostSurface;
if (surface != null)
{
ClassPointer root = surface.Loader.GetRootId();
DrawingLayerCollection layers = page.ShowDrawingsEditor();
if (layers != null)
{
//layers0 is the existing layer collections
DrawingLayerCollection layers0 = page.DrawingLayers;
//for layers0 if a drawing object's guid does not exist in layers then
//the object has been deleted
List <DrawingItem> deleted = new List <DrawingItem>();
foreach (DrawingLayer l0 in layers0)
{
DrawingItem d = null;
for (int i = 0; i < l0.Count; i++)
{
DrawingItem d0 = l0[i];
d = layers.GetDrawingItemById(d0.DrawingId);
if (d != null)
{
d0.Copy(d); //not deleted
//move and resize the IDrawDesignControl
foreach (Control c in page.Controls)
{
IDrawDesignControl dc0 = c as IDrawDesignControl;
if (dc0 != null)
{
if (dc0.Item == d0)
{
c.Location = d0.Location;
c.Size = d0.Bounds.Size;
break;
}
}
}
}
else
{
deleted.Add(d0); //deleted
}
}
}
if (deleted.Count > 0)
{
//check to see if each deleted item has usages
List <DrawingItem> ls = new List <DrawingItem>();
foreach (DrawingItem d0 in deleted)
{
for (int i = 0; i < page.Controls.Count; i++)
{
IDrawDesignControl dc = page.Controls[i] as IDrawDesignControl;
if (dc != null)
{
if (dc.DrawingId == d0.DrawingId)
{
uint id = root.ObjectList.GetObjectID(dc);
if (id == 0)
{
DesignUtil.WriteToOutputWindow("id not found on deleting component {0}", dc.Name);
}
else
{
List <ObjectTextID> list = root.GetComponentUsage(id);
if (list.Count > 0)
{
dlgObjectUsage dlg = new dlgObjectUsage();
dlg.LoadData("Cannot delete this component. It is being used by the following objects", string.Format("Component - {0}", dc.Name), list);
dlg.ShowDialog();
ls.Add(d0);
}
}
break;
}
}
}
}
if (ls.Count > 0)
{
foreach (DrawingItem d0 in ls)
{
deleted.Remove(d0);
}
}
foreach (DrawingItem d0 in deleted)
{
for (int i = 0; i < page.Controls.Count; i++)
{
IDrawDesignControl dc = page.Controls[i] as IDrawDesignControl;
if (dc != null)
{
if (dc.DrawingId == d0.DrawingId)
{
surface.Loader.DeleteComponent(page.Controls[i]);
break;
}
}
}
}
}
//for a drawing object in layers if its guid does not exist in layers0 then
//it is a new object
//reset zorder according to the new layers
List <Control> ctrls = new List <Control>();
foreach (DrawingLayer l in layers)
{
int zOrder = 0;
foreach (DrawingItem d in l)
{
DrawingItem d0 = layers0.GetDrawingItemById(d.DrawingId);
if (d0 == null)
{
//add a new drawing
string name = d.Name + Guid.NewGuid().GetHashCode().ToString("x");
Type designerType = TypeMappingAttribute.GetMappedType(d.GetType());
if (designerType == null)
{
throw new DesignerException("Drawing type {0} does not have a designer", d.GetType());
}
Control dc = (Control)surface.Loader.CreateComponent(designerType, name);
IDrawDesignControl ddc = (IDrawDesignControl)dc;
ddc.Item = d;
dc.Location = d.Location;
dc.Size = d.Bounds.Size;
ctrls.Add(dc);
ddc.ZOrder = zOrder;
}
else
{
for (int k = 0; k < page.Controls.Count; k++)
{
IDrawDesignControl dc = page.Controls[k] as IDrawDesignControl;
if (dc != null)
{
if (dc.Item == d0)
{
dc.ZOrder = zOrder;
break;
}
}
}
}
zOrder += 10;
}
}
if (ctrls.Count > 0)
{
page.Controls.AddRange(ctrls.ToArray());
}
page.LoadData(layers, false);
page.Refresh();
surface.SetModified();
surface.Loader.NotifyChanges();
}
}
}
}
}
}
static StringCollection _s_baseProperties; //subclasses must use their own static variables
public DrawingGroupBox()
{
Visible = true;
_item = (DrawingItem)Activator.CreateInstance(TypeMappingAttribute.GetMappedType(this.GetType()));
}
/// <summary>
/// Constructs a representation of a PostgreSQL base data type.
/// </summary>
#pragma warning disable CA2222 // Do not decrease inherited member visibility
internal PostgresBaseType(string ns, string name, uint oid, Type handlerType, TypeMappingAttribute mapping)
#pragma warning restore CA2222 // Do not decrease inherited member visibility
: base(ns, name, oid)
{
HandlerType = handlerType;
NpgsqlDbType = mapping.NpgsqlDbType;
_dbTypes = mapping.DbTypes;
_clrTypes = mapping.ClrTypes;
}
