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();
}
}
}
}
}
}
void miDelete_Click(object sender, EventArgs e)
{
LocalVariable lv = this.ClassPointer as LocalVariable;
List <IAction> acts = lv.RootPointer.GetRelatedActions(lv.MemberId);
bool bOK = (acts.Count == 0);
if (bOK)
{
MethodDesignerHolder mdh = MethodViewer;
if (mdh != null)
{
BranchList bl = mdh.ActionList;
if (bl != null)
{
Dictionary <UInt32, IAction> actions = new Dictionary <uint, IAction>();
bl.GetActionsUseLocalVariable(lv.MemberId, actions);
if (actions.Count > 0)
{
foreach (KeyValuePair <UInt32, IAction> kv in actions)
{
acts.Add(kv.Value);
}
bOK = false;
}
}
}
}
if (!bOK)
{
List <ObjectTextID> objs = new List <ObjectTextID>();
foreach (IAction a in acts)
{
objs.Add(new ObjectTextID("Action", "", a.Display));
}
dlgObjectUsage dlg = new dlgObjectUsage();
dlg.LoadData("There are actions using this object. These actions must be removed before this object can be removed.", "Remove object", objs);
//currently no OK will be returned
bOK = (dlg.ShowDialog(this.FindForm()) == DialogResult.OK);
if (bOK)
{
IList <MethodDiagramViewer> l = MethodViewer.GetViewer();
foreach (MethodDiagramViewer mv in l)
{
//remove local/constructor actions belong to it
List <IComponent> avList = new List <IComponent>();
for (int i = 0; i < mv.Controls.Count; i++)
{
ActionViewer av = mv.Controls[i] as ActionViewer;
if (av != null)
{
foreach (IAction a in acts)
{
if (av.ActionObject.ContainsActionId(a.ActionId))
{
avList.Add(av);
}
}
}
}
if (avList.Count > 0)
{
mv.DeleteComponents(avList.ToArray());
}
}
}
}
if (bOK)
{
MethodViewer.RemoveLocalVariable(this);
RemoveLabel();
Control p = this.Parent;
if (p != null)
{
p.Controls.Remove(this);
}
MethodViewer.Changed = true;
}
}
