private async Task GenerateXml()
{
using (new CursorWait(this))
{
await cmdOK.DoThreadSafeAsync(() => cmdOK.Enabled = false);
try
{
string exportSheetPath = Path.Combine(Utils.GetStartupPath, "export", _strXslt + ".xsl");
XslCompiledTransform objXslTransform;
try
{
objXslTransform = XslManager.GetTransformForFile(exportSheetPath); // Use the path for the export sheet.
}
catch (ArgumentException)
{
string strReturn = "Last write time could not be fetched when attempting to load " + _strXslt +
Environment.NewLine;
Log.Debug(strReturn);
SetTextToWorkerResult(strReturn);
return;
}
catch (PathTooLongException)
{
string strReturn = "Last write time could not be fetched when attempting to load " + _strXslt +
Environment.NewLine;
Log.Debug(strReturn);
SetTextToWorkerResult(strReturn);
return;
}
catch (UnauthorizedAccessException)
{
string strReturn = "Last write time could not be fetched when attempting to load " + _strXslt +
Environment.NewLine;
Log.Debug(strReturn);
SetTextToWorkerResult(strReturn);
return;
}
catch (XsltException ex)
{
string strReturn = "Error attempting to load " + _strXslt + Environment.NewLine;
Log.Debug(strReturn);
Log.Error("ERROR Message = " + ex.Message);
strReturn += ex.Message;
SetTextToWorkerResult(strReturn);
return;
}
if (_objXmlGeneratorCancellationTokenSource.IsCancellationRequested)
{
return;
}
XmlWriterSettings objSettings = objXslTransform.OutputSettings.Clone();
objSettings.CheckCharacters = false;
objSettings.ConformanceLevel = ConformanceLevel.Fragment;
string strText;
using (MemoryStream objStream = new MemoryStream())
{
using (XmlWriter objWriter = XmlWriter.Create(objStream, objSettings))
objXslTransform.Transform(_objCharacterXml, null, objWriter);
if (_objXmlGeneratorCancellationTokenSource.IsCancellationRequested)
{
return;
}
objStream.Position = 0;
// Read in the resulting code and pass it to the browser.
using (StreamReader objReader = new StreamReader(objStream, Encoding.UTF8, true))
strText = await objReader.ReadToEndAsync();
}
SetTextToWorkerResult(strText);
}
finally
{
await cmdOK.DoThreadSafeAsync(() => cmdOK.Enabled = true);
}
}
}
/// <summary>
/// Run the generated XML file through the XSL transformation engine to create the file output.
/// </summary>
private async Task AsyncGenerateOutput()
{
using (new CursorWait(this))
{
await Task.WhenAll(this.DoThreadSafeAsync(() =>
{
tsPrintPreview.Enabled = false;
tsSaveAsHtml.Enabled = false;
}),
cmdPrint.DoThreadSafeAsync(() => cmdPrint.Enabled = false),
cmdSaveAsPdf.DoThreadSafeAsync(() => cmdSaveAsPdf.Enabled = false));
await SetDocumentText(await LanguageManager.GetStringAsync("String_Generating_Sheet"));
string strXslPath = Path.Combine(Utils.GetStartupPath, "sheets", _strSelectedSheet + ".xsl");
if (!File.Exists(strXslPath))
{
string strReturn = "File not found when attempting to load " + _strSelectedSheet +
Environment.NewLine;
Log.Debug(strReturn);
Program.MainForm.ShowMessageBox(this, strReturn);
return;
}
XslCompiledTransform objXslTransform;
try
{
objXslTransform = XslManager.GetTransformForFile(strXslPath);
}
catch (ArgumentException)
{
string strReturn = "Last write time could not be fetched when attempting to load " + _strSelectedSheet +
Environment.NewLine;
Log.Debug(strReturn);
Program.MainForm.ShowMessageBox(this, strReturn);
return;
}
catch (PathTooLongException)
{
string strReturn = "Last write time could not be fetched when attempting to load " + _strSelectedSheet +
Environment.NewLine;
Log.Debug(strReturn);
Program.MainForm.ShowMessageBox(this, strReturn);
return;
}
catch (UnauthorizedAccessException)
{
string strReturn = "Last write time could not be fetched when attempting to load " + _strSelectedSheet +
Environment.NewLine;
Log.Debug(strReturn);
Program.MainForm.ShowMessageBox(this, strReturn);
return;
}
catch (XsltException ex)
{
string strReturn = "Error attempting to load " + _strSelectedSheet + Environment.NewLine;
Log.Debug(strReturn);
Log.Error("ERROR Message = " + ex.Message);
strReturn += ex.Message;
Program.MainForm.ShowMessageBox(this, strReturn);
return;
}
if (_objOutputGeneratorCancellationTokenSource.IsCancellationRequested)
{
return;
}
using (MemoryStream objStream = new MemoryStream())
{
using (XmlTextWriter objWriter = new XmlTextWriter(objStream, Encoding.UTF8))
{
objXslTransform.Transform(_objCharacterXml, objWriter);
if (_objOutputGeneratorCancellationTokenSource.IsCancellationRequested)
{
return;
}
objStream.Position = 0;
// This reads from a static file, outputs to an HTML file, then has the browser read from that file. For debugging purposes.
//objXSLTransform.Transform("D:\\temp\\print.xml", "D:\\temp\\output.htm");
//webBrowser1.Navigate("D:\\temp\\output.htm");
if (GlobalSettings.PrintToFileFirst)
{
// The DocumentStream method fails when using Wine, so we'll instead dump everything out a temporary HTML file, have the WebBrowser load that, then delete the temporary file.
// Delete any old versions of the file
if (!await Utils.SafeDeleteFileAsync(_strTempSheetFilePath, true))
{
return;
}
// Read in the resulting code and pass it to the browser.
using (StreamReader objReader = new StreamReader(objStream, Encoding.UTF8, true))
{
string strOutput = await objReader.ReadToEndAsync();
File.WriteAllText(_strTempSheetFilePath, strOutput);
}
await this.DoThreadSafeAsync(() => UseWaitCursor = true);
await webViewer.DoThreadSafeAsync(
() => webViewer.Url = new Uri("file:///" + _strTempSheetFilePath));
}
else
{
// Populate the browser using DocumentText (DocumentStream would cause issues due to stream disposal).
using (StreamReader objReader = new StreamReader(objStream, Encoding.UTF8, true))
{
string strOutput = await objReader.ReadToEndAsync();
await this.DoThreadSafeAsync(() => UseWaitCursor = true);
await webViewer.DoThreadSafeAsync(() => webViewer.DocumentText = strOutput);
}
}
}
}
}
}