public DiagramVM(bool IsCustomVM)
{
_isCustomVM = IsCustomVM;
Nodes = new ObservableCollection <NodeVM>();
Connectors = new ObservableCollection <ConnectorVM>();
Groups = new ObservableCollection <GroupVM>();
SelectedItems = new SelectorVM(this);
Select = new Command(param => IsSelected = true);
FirstLoad = new Command(OnViewLoaded);
SnapSettings = new SnapSettings()
{
SnapConstraints = SnapConstraints.All,
SnapToObject = SnapToObject.All
};
PageSettings = new PageVM();
(PageSettings as PageVM).InitDiagram(this);
this.CommandManager.View = (Control)Window.Current.Content;
}
public async Task Save()
{
try
{
IGraphInfo graph = this.Info as IGraphInfo;
PageVM page = PageSettings as PageVM;
if (graph != null && (this.Info as IGraph).ScrollSettings.ScrollInfo != null)
{
page.HOffset = (this.Info as IGraph).ScrollSettings.ScrollInfo.HorizontalOffset;
page.VOffset = (this.Info as IGraph).ScrollSettings.ScrollInfo.VerticalOffset;
page.Scale = (this.Info as IGraph).ScrollSettings.ScrollInfo.CurrentZoom;
_file = await installedLocation.CreateFileAsync(_file.Name, CreationCollisionOption.ReplaceExisting);
using (Stream stream = await _file.OpenStreamForWriteAsync())
{
graph.Save(stream);
}
_isValidXml = true;
}
}
catch
{ }
}
/// <summary>
/// The on view loaded.
/// </summary>
/// <param name="param">
/// The param.
/// </param>
private async void OnViewLoaded(object param)
{
IGraphInfo graph = this.Info as IGraphInfo;
graph.ItemAdded += this.DiagramVM_ItemAdded;
graph.ItemDropEvent += this.Graph_ItemDropEvent;
graph.ItemDeleted += this.DiagramVM_ItemDeleted;
graph.GetDrawType += this.graph_GetDrawType;
graph.NodeChangedEvent += this.Graph_NodeChangedEvent;
await this.Load();
PageVM page = this.PageSettings as PageVM;
if (this._isValidXml)
{
graph.Commands.Zoom.Execute(new ZoomPositionParameter {
ZoomTo = page.Scale
});
this.ScrollSettings.ScrollInfo.PanTo(new Point(page.HOffset, page.VOffset));
}
this.IsBusy = Visibility.Collapsed;
}
private async void OnViewLoaded(object param)
{
IGraphInfo graph = Info as IGraphInfo;
graph.ItemAdded += DiagramVM_ItemAdded;
graph.ItemDropEvent += Graph_ItemDropEvent;
graph.ItemDeleted += DiagramVM_ItemDeleted;
graph.SymbolDroppingEvent += graph_SymbolDroppingEvent;
graph.GetDrawType += graph_GetDrawType;
graph.NodeChangedEvent += Graph_NodeChangedEvent;
await Load();
PageVM page = PageSettings as PageVM;
if (_isValidXml)
{
graph.Commands.Zoom.Execute(
new ZoomPositionParamenter()
{
ZoomTo = page.Scale
});
graph.ScrollInfo.PanTo(new Point(page.HOffset, page.VOffset));
}
//else
//{
// await Save();
// (Info as IGraphInfo).Commands.FitToPage.Execute(
// new FitToPageParameter
// {
// FitToPage = FitToPage.FitToPage,
// Margin = new Thickness(20)
// }
// );
// this.Save();
//}
IsBusy = Visibility.Collapsed;
}
public async Task Save(string savedpath)
{
//try
//{
IGraphInfo graph = this.Info as IGraphInfo;
PageVM page = PageSettings as PageVM;
if (graph != null && graph.ScrollInfo != null)
{
page.HOffset = graph.ScrollInfo.HorizontalOffset;
page.VOffset = graph.ScrollInfo.VerticalOffset;
page.Scale = graph.ScrollInfo.CurrentZoom;
_file = savedpath;
using (FileStream fileStream = File.OpenWrite(_file))
{
graph.Save(fileStream);
}
_isValidXml = true;
}
// }
//catch
//{ }
}
async public void OnPrintCommand(object param)
{
PageVM page = SelectedDiagram.PageSettings as PageVM;
PrintingService print = SelectedDiagram.PrintingService as PrintingService;
print.PrintMargin = page.PrintMargin;
print.Height = page.PageHeight;
print.Width = page.PageWidth;
switch (page.SelectedFormat)
{
case PageSize.A0:
print.PrintMediaSize = PrintMediaSize.IsoA0;
break;
case PageSize.A1:
print.PrintMediaSize = PrintMediaSize.IsoA1;
break;
case PageSize.A2:
print.PrintMediaSize = PrintMediaSize.IsoA2;
break;
case PageSize.A3:
print.PrintMediaSize = PrintMediaSize.IsoA3;
break;
case PageSize.A4:
print.PrintMediaSize = PrintMediaSize.IsoA4;
break;
case PageSize.A5:
print.PrintMediaSize = PrintMediaSize.IsoA5;
break;
case PageSize.Folio:
print.PrintMediaSize = PrintMediaSize.OtherMetricFolio;
break;
case PageSize.Ledger:
print.PrintMediaSize = PrintMediaSize.NorthAmericaTabloid;
break;
case PageSize.Legal:
print.PrintMediaSize = PrintMediaSize.NorthAmericaLegal;
break;
case PageSize.Letter:
print.PrintMediaSize = PrintMediaSize.NorthAmericaLetter;
break;
}
if (page.PageOrientation == PageOrientation.Landscape)
{
print.PrintOrientation = PrintOrientation.Landscape;
}
else
{
print.PrintOrientation = PrintOrientation.Portrait;
}
print.UnregisterForPrinting();
print.RegisterForPrinting();
//if (Windows.Graphics.Printing.PrintManager.
{
try
{
// Show print UI
await Windows.Graphics.Printing.PrintManager.ShowPrintUIAsync();
}
catch
{
// Printing cannot proceed at this time
ContentDialog noPrintingDialog = new ContentDialog()
{
Title = "Printing error",
Content = "\nSorry, printing can' t proceed at this time.",
PrimaryButtonText = "OK"
};
await noPrintingDialog.ShowAsync();
}
}
}
//StorageFile file,
public DiagramVM(string file, bool isValidXml)
{
_isValidXml = isValidXml;
_file = file;
Nodes = new ObservableCollection <NodeVM>();
Connectors = new ObservableCollection <ConnectorVM>();
Groups = new ObservableCollection <GroupVM>();
SelectedItems = new SelectorVM(this);
PortVisibility = PortVisibility.MouseOverOnConnect;
Select = new Command(param => IsSelected = true);
FirstLoad = new Command(OnViewLoaded);
HistoryManager = new customManager();
SnapSettings = new SnapSettings()
{
SnapConstraints = SnapConstraints.All,
SnapToObject = SnapToObject.All
};
PreviewSettings = new PreviewSettings()
{
PreviewMode = PreviewMode.Preview
};
PageSettings = new PageVM();
(PageSettings as PageVM).InitDiagram(this);
this.HorizontalRuler = new Ruler()
{
Orientation = Orientation.Horizontal
};
this.VerticalRuler = new Ruler()
{
Orientation = Orientation.Vertical
};
//OffPageBackground = new SolidColorBrush(new Color() { A = 0xFF, R = 0xEC, G = 0xEC, B = 0xEC });
//OffPageBackground = new SolidColorBrush(new Color() { A = 0xFF, R = 0x2D, G = 0x2D, B = 0x2D });
InitLocation();
PrintingService = new PrintingService();
ExportSettings = new ExportSettings()
{
ImageStretch = Stretch.Uniform,
ExportMode = ExportMode.PageSettings
};
#if SyncfusionFramework4_5_1
ExportSettings = new ExportSettings()
{
ImageStretch = Stretch.Uniform,
ExportMode = ExportMode.PageSettings
};
PrintingService = new PrintingService();
#endif
FlipCommand = new Command(OnFlipCommand);
ExportCommand = new Command(OnExportCommand);
PrintCommand = new Command(OnPrintCommand);
Captures = new Command(OnCapturesCommand);
ClearDiagram = new Command(OnClearCommand);
Upload = new Command(Onuploadcommand);
Draw = new Command(OnDrawCommand);
SingleSelect = new Command(OnSingleSelectCommand);
SelectAll = new Command(OnSelectAllCommand);
Manipulate = new Command(OnManipulateCommand);
LoadExt = new Command(OnLoadExt);
AddImageNode = new Command(OnAddImageNodeCommand);
PageOrientationCommand = new Command(OnPageOrientationCommand);
PageSizeCommand = new Command(OnPageSizeCommand);
ConnectTypeCommand = new Command(OnConnectTypeCommand);
RotateTextCommand = new Command(OnRotateTextCommand);
//SelectTextCommand = new Command(OnSelectTextCommand);
SizeandPositionCommand = new Command(OnSizeandPositionCommand);
PanZoomCommand = new Command(OnPanZoomCommand);
FitToWidthCommand = new Command(OnFitToWidthCommand);
FitToPageCommand = new Command(OnFitToPageCommand);
//Tool = Tool.ZoomPan | Tool.SingleSelect;
;
//ConnectorVM c = new ConnectorVM()
//{
// SourcePoint = new Point(100, 100),
// TargetPoint = new Point(300, 300)
//};
//(this.ConnectorCollection as ICollection<ConnectorVM>).Add(c);
}
public void OnPrintCommand(object param)
{
#if SyncfusionFramework4_5_1
PageVM page = SelectedDiagram.PageSettings as PageVM;
PrintingService print = SelectedDiagram.PrintingService;
print.PrintMargin = page.PrintMargin;
switch (page.SelectedFormat)
{
case PageSize.A0:
print.PrintMediaSize = PrintMediaSize.IsoA0;
break;
case PageSize.A1:
print.PrintMediaSize = PrintMediaSize.IsoA1;
break;
case PageSize.A2:
print.PrintMediaSize = PrintMediaSize.IsoA2;
break;
case PageSize.A3:
print.PrintMediaSize = PrintMediaSize.IsoA3;
break;
case PageSize.A4:
print.PrintMediaSize = PrintMediaSize.IsoA4;
break;
case PageSize.A5:
print.PrintMediaSize = PrintMediaSize.IsoA5;
break;
case PageSize.Folio:
print.PrintMediaSize = PrintMediaSize.OtherMetricFolio;
break;
case PageSize.Ledger:
print.PrintMediaSize = PrintMediaSize.NorthAmericaTabloid;
break;
case PageSize.Legal:
print.PrintMediaSize = PrintMediaSize.NorthAmericaLegal;
break;
case PageSize.Letter:
print.PrintMediaSize = PrintMediaSize.NorthAmericaLetter;
break;
}
if (page.PageOrientation == PageOrientation.Landscape)
{
print.PrintOrientation = PrintOrientation.Landscape;
}
else
{
print.PrintOrientation = PrintOrientation.Portrait;
}
print.UnregisterForPrinting();
print.RegisterForPrinting();
//await Windows.Graphics.Printing.PrintManager.ShowPrintUIAsync();
#endif
}