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();
                            }
                        }
                    }
                }
            }
        }
Beispiel #2
0
        protected override void OnMouseDown(MouseEventArgs e)
        {
            sHelp = "";
            if (curDrawing != null)
            {
                float x1, y1;
                bool  bAdded;
                systemToCustomerXY(e.X, e.Y, out x1, out y1);
                System.Windows.Forms.MouseEventArgs e1  = new System.Windows.Forms.MouseEventArgs(e.Button, e.Clicks, (int)x1, (int)y1, e.Delta);
                System.Windows.Forms.DialogResult   ret = curDrawing.CallDlgDrawingsMouseDown(this, e1, ref nStep, this);
                switch (ret)
                {
                case System.Windows.Forms.DialogResult.OK:
                    if (nType == 0)
                    {
                        bAdded = this.DrawingLayers[0].AddDrawing(curDrawing);
                    }
                    else
                    {
                        bAdded = lstShapes.AddDrawing(curDrawing);
                        hs.SetDrawings(lstShapes);
                        formHS.Show();
                        formHS.TopMost = true;
                        formHS.Invalidate();
                    }
                    if (bAdded)
                    {
                        AddDrawing(curDrawing);
                    }
                    else
                    {
                    }
                    editor.SelectItem(curDrawing);
                    curDrawing.FinishDesign();
                    curDrawing = null;
                    nStep      = 0;
                    editor.Show();
                    break;

                case System.Windows.Forms.DialogResult.Cancel:
                    curDrawing.FinishDesign();
                    curDrawing = null;
                    nStep      = 0;
                    editor.Show();
                    break;

                case System.Windows.Forms.DialogResult.Retry:
                    nStep = 0;
                    break;

                case System.Windows.Forms.DialogResult.None:
                    break;
                }
                this.Invalidate();
            }
            else
            {
                Point       p    = new Point(e.X, e.Y);
                DrawingItem item = HitTest(p);
                if (item != null)
                {
                    SetItemSelection(item);
                    if (e.Button == MouseButtons.Right)
                    {
                        MenuItem[] menus = item.GetContextMenuItems(p);
                        if (menus != null && menus.Length > 0)
                        {
                            ContextMenu cm = new ContextMenu();
                            cm.MenuItems.AddRange(menus);
                            cm.Show(this, p);
                        }
                    }
                }
                else
                {
                    ClearMarks();
                    if ((e.Button & MouseButtons.Left) == MouseButtons.Left)
                    {
                        Type t = _toolBox.SelectedToolboxItem;
                        if (t != null)
                        {
                            DrawingItem newObj = (DrawingItem)Activator.CreateInstance(t);
                            if (_defaultDrawings == null)
                            {
                                _defaultDrawings = new DefaultDrawings();
                            }
                            DrawingItem def = _defaultDrawings.GetDefaultDrawing(newObj.GetType());
                            if (def != null)
                            {
                                newObj.Copy(def);
                            }
                            _toolBox.ClearToolboxSelection();
                            newObj.ResetGuid();
                            makeNewName(newObj);
                            newObj.Page     = this;
                            newObj.Location = p;
                            AddDrawing(newObj);
                            editor.SelectItem(newObj);
                            editor.RefreshPropertyGrids();
                            _newObj = newObj;
                            SetItemSelection(newObj);
                        }
                    }
                }
            }
        }