private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
// init library
activeVisualObjectLib = new WpfMtpControl.MtpVisualObjectLib();
activeVisualObjectLib.LoadStatic(null);
// find file, remember Submodel element for it, find filename
// (ConceptDescription)(no-local)[IRI]http://www.admin-shell.io/mtp/v1/MTPSUCLib/ModuleTypePackage
var simIdFn = new AdminShell.Key("ConceptDescription", false,
"IRI", "http://www.admin-shell.io/mtp/v1/MTPSUCLib/ModuleTypePackage");
this.activeMtpFileElem = theSubmodel?.submodelElements?.FindFirstSemanticIdAs <AdminShell.File>(simIdFn);
var inputFn = this.activeMtpFileElem?.value;
if (inputFn == null)
{
return;
}
// access file
if (CheckIfPackageFile(inputFn))
{
inputFn = thePackage.MakePackageFileAvailableAsTempFile(inputFn);
}
// load file
LoadFile(inputFn);
// fit it
this.mtpVisu.ZoomToFitCanvas();
// double click handler
this.mtpVisu.MtpObjectDoubleClick += MtpVisu_MtpObjectDoubleClick;
}
private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
// initialize symbol library
this.theSymbolLib = new MtpSymbolLib();
var ISO10628 = new ResourceDictionary();
ISO10628.Source = new Uri(
"pack://application:,,,/WpfMtpControl;component/Resources/PNID_DIN_EN_ISO_10628.xaml");
this.theSymbolLib.ImportResourceDicrectory("PNID_ISO10628", ISO10628);
var FESTO = new ResourceDictionary();
FESTO.Source = new Uri(
"pack://application:,,,/WpfMtpControl;component/Resources/PNID_Festo.xaml");
this.theSymbolLib.ImportResourceDicrectory("PNID_Festo", FESTO);
// initialize visual object libraries
activeVisualObjectLib = new WpfMtpControl.MtpVisualObjectLib();
activeVisualObjectLib.LoadStatic(this.theSymbolLib);
// gather infos
var ok = GatherMtpInfos(this.thePreLoadInfo);
if (ok && this.activeMtpFileFn != null)
{
// access file
var inputFn = this.activeMtpFileFn;
if (CheckIfPackageFile(inputFn))
{
inputFn = thePackage.MakePackageFileAvailableAsTempFile(inputFn);
}
// load file
LoadFile(inputFn);
// fit it
this.mtpVisu.ZoomToFitCanvas();
// double click handler
this.mtpVisu.MtpObjectDoubleClick += MtpVisu_MtpObjectDoubleClick;
}
// Timer for status
System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
// ReSharper disable once RedundantDelegateCreation
dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Tick);
dispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 100);
dispatcherTimer.Start();
}
private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
// initialize symbol library
this.theSymbolLib = new MtpSymbolLib();
var ISO10628 = new ResourceDictionary();
ISO10628.Source = new Uri(
"pack://application:,,,/WpfMtpControl;component/Resources/PNID_DIN_EN_ISO_10628.xaml");
this.theSymbolLib.ImportResourceDicrectory("PNID_ISO10628", ISO10628);
var FESTO = new ResourceDictionary();
FESTO.Source = new Uri(
"pack://application:,,,/WpfMtpControl;component/Resources/PNID_Festo.xaml");
this.theSymbolLib.ImportResourceDicrectory("PNID_Festo", FESTO);
// initialize visual object libraries
activeVisualObjectLib = new WpfMtpControl.MtpVisualObjectLib();
activeVisualObjectLib.LoadStatic(this.theSymbolLib);
// gather infos
var ok = GatherMtpInfos();
if (ok && this.activeMtpFileFn != null)
{
// access file
var inputFn = this.activeMtpFileFn;
if (CheckIfPackageFile(inputFn))
{
inputFn = thePackage.MakePackageFileAvailableAsTempFile(inputFn);
}
// load file
LoadFile(inputFn);
// fit it
this.mtpVisu.ZoomToFitCanvas();
// double click handler
this.mtpVisu.MtpObjectDoubleClick += MtpVisu_MtpObjectDoubleClick;
}
}
private void DispatcherTimer_Tick(object sender, EventArgs e)
{
// each tick check for one image, if a preview shall be done
if (theDocEntitiesToPreview != null && theDocEntitiesToPreview.Count > 0 &&
numDocEntitiesInPreview < maxDocEntitiesInPreview)
{
// pop
DocumentEntity ent = null;
lock (theDocEntitiesToPreview)
{
ent = theDocEntitiesToPreview[0];
theDocEntitiesToPreview.RemoveAt(0);
}
try
{
// temp input
var inputFn = ent?.DigitalFile;
if (inputFn != null)
{
// from package?
if (CheckIfPackageFile(inputFn))
{
inputFn = thePackage.MakePackageFileAvailableAsTempFile(ent.DigitalFile);
}
// temp output
string outputFn = System.IO.Path.GetTempFileName().Replace(".tmp", ".png");
// remember these for later deletion
ent.DeleteFilesAfterLoading = new[] { inputFn, outputFn };
// start process
string arguments = string.Format("-flatten -density 75 \"{0}\"[0] \"{1}\"", inputFn, outputFn);
string exeFn = System.IO.Path.Combine(
System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "convert.exe");
var startInfo = new ProcessStartInfo(exeFn, arguments)
{
WindowStyle = ProcessWindowStyle.Hidden
};
var process = new Process {
StartInfo = startInfo, EnableRaisingEvents = true
};
DocumentEntity lambdaEntity = ent;
string outputFnBuffer = outputFn;
process.Exited += (sender2, args) =>
{
// release number of parallel processes
lock (mutexDocEntitiesInPreview)
{
numDocEntitiesInPreview--;
}
// take over data?
if (lambdaEntity.ImgContainer != null)
{
// trigger display image
lambdaEntity.ImageReadyToBeLoaded = outputFnBuffer;
}
};
try
{
process.Start();
}
catch (Exception ex)
{
AdminShellNS.LogInternally.That.Error(
ex, $"Failed to start the process: {startInfo.FileName} " +
$"with arguments {string.Join(" ", startInfo.Arguments)}");
}
// limit the number of parallel executions
lock (mutexDocEntitiesInPreview)
{
numDocEntitiesInPreview++;
}
}
}
catch (Exception ex)
{
AdminShellNS.LogInternally.That.SilentlyIgnoredError(ex);
}
}
// over all items in order to check, if a prepared image shall be displayed
foreach (var x in this.ScrollMainContent.Items)
{
var de = x as DocumentEntity;
if (de == null)
{
continue;
}
if (de.ImageReadyToBeLoaded != null)
{
// never again
var tempFn = de.ImageReadyToBeLoaded;
de.ImageReadyToBeLoaded = null;
// try load
try
{
// convert here, as the tick-Thread in STA / UI thread
var bi = new BitmapImage(new Uri(tempFn, UriKind.RelativeOrAbsolute));
var img = new Image();
img.Source = bi;
de.ImgContainer.Child = img;
// now delete the associated files file!
if (de.DeleteFilesAfterLoading != null)
{
foreach (var fn in de.DeleteFilesAfterLoading)
{
// it is quite likely (e.g. http:// files) that the delete fails!
try
{
File.Delete(fn);
}
catch (Exception ex)
{
AdminShellNS.LogInternally.That.SilentlyIgnoredError(ex);
}
}
}
// remember in the cache
if (referableHashToCachedBitmap != null &&
!referableHashToCachedBitmap.ContainsKey(de.ReferableHash))
{
referableHashToCachedBitmap[de.ReferableHash] = bi;
}
}
catch (Exception ex)
{
AdminShellNS.LogInternally.That.SilentlyIgnoredError(ex);
}
}
}
}
