public void OnFileExportImageAsCommand()
{
var dlg = new SaveFileDialog();
dlg.AddExtension = true;
dlg.CheckPathExists = true;
dlg.Filter = "Portable Network Graphics (*.png)|*.png|Portable Document Format (*.pdf)|*.pdf|Scalable Vector Graphics (*.svg)|*.svg";
dlg.FilterIndex = this._settings.Get("FileExportImageAsFilterIndex", 1);
dlg.InitialDirectory = this._settings.Get("CurrentDirectory", Environment.GetFolderPath(Environment.SpecialFolder.Personal));
dlg.OverwritePrompt = true;
if ((Boolean)dlg.ShowDialog())
{
try
{
var format = "";
switch (dlg.FilterIndex)
{
case 1:
format = "png";
break;
case 2:
format = "pdf";
break;
case 3:
format = "svg";
break;
default:
throw new ArgumentException("Unsupported output format");
}
var webSequenceDiagramsResult = WebSequenceDiagrams.DownloadDiagram(this._wsdScript, this.Style.ToString().ToLower().Replace('_', '-'), format, this.ApiKey);
webSequenceDiagramsResult.SaveFile(dlg.FileName);
this._settings.Set("CurrentDirectory", Path.GetDirectoryName(dlg.FileName));
this._settings.Set("FileExportImageAsFilterIndex", dlg.FilterIndex);
}
catch (Exception ex)
{
MsgBox.Error(ex, "Cannot export image to\n{0}", dlg.FileName);
}
}
}
private void Refresh()
{
RefreshStatus = "Updating image...";
var task = Task.Factory.StartNew(() => this._webSequenceDiagramsResult = WebSequenceDiagrams.DownloadDiagram(this._wsdScript, this.Style.ToString().ToLower().Replace('_', '-'), "png", this.ApiKey));
task.ContinueWith(t =>
{
this.Errors.Clear();
if (task.Exception != null)
{
RefreshStatus = "Error(s) detected";
var ex = task.Exception.InnerException;
if (ex is WebSequenceDiagramsException)
{
foreach (var error in (ex as WebSequenceDiagramsException).Errors)
{
this.Errors.Add(new ErrorViewModel(error.Line, error.Message));
}
}
else
{
this.Errors.Add(new ErrorViewModel(0, ex.Message));
}
}
else
{
RefreshStatus = "Ready";
}
this.WsdImage = this._webSequenceDiagramsResult.GetBitmapImage();
this.OnPropertyChanged(() => this.WsdImage);
this.ActualWsdImageWidth = this._webSequenceDiagramsResult.ActualImageWidth;
});
}
private void DownloadImage()
{
this._webSequenceDiagramsResult = WebSequenceDiagrams.DownloadDiagram(this._wsdScript, this.Style.ToString().ToLower().Replace('_', '-'), "png", this.ApiKey);
}