/// <summary>
/// get the values Name/Description/Xml from the ListBox item
/// </summary>
/// <param name="item">usually the selected item in the list box as ReportListBoxItem</param>
/// <param name="createTmpFile">true if should create the file in the xml on disk</param>
/// <param name="reportName">ref to the report Name</param>
/// <param name="reportDesc">ref to the report Description</param>
/// <param name="filePath">ref to the reportFilePath</param>
private void GetItemValues(ReportListBoxItem item, bool createTmpFile, ref string reportName,
ref string reportDesc, ref string filePath, ref FluidTrade.Reporting.Interfaces.IStaticReportTranslation translator)
{
if (item.Row != null)
{
//the item is pointing to a row in the dataModel
ReportXmlHelper.XmlToTempFile(item.Row.Xaml, createTmpFile, out reportName, out reportDesc, out filePath, out translator);
}
else if (string.IsNullOrEmpty(item.LocalFilePath) == false)
{
//item is pointing at a local file
reportName = filePath = item.LocalFilePath;
reportDesc = string.Empty;
}
else if (string.IsNullOrEmpty(item.Xml) == false)
{
//item is pointing at a newly imported report
ReportXmlHelper.XmlToTempFile(item.Xml, createTmpFile, out reportName, out reportDesc, out filePath, out translator);
}
else
{
//error
return;
}
}
/// <summary>
/// handler for the property button click. Will show the properties window if
/// the listbox has a selected item
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void propBtn_Click(object sender, ExecutedRoutedEventArgs e)
{
//get the selected item
ReportListBoxItem item = this.listBox1.SelectedItem as ReportListBoxItem;
if (item == null)
{
return; //no selected item so return
}
string reportName = null;
string reportDesc = null;
string filePath = null;
FluidTrade.Reporting.Interfaces.IStaticReportTranslation translator = null;
//get the values from the item
this.GetItemValues(item, false, ref reportName, ref reportDesc, ref filePath, ref translator);
//show the properties window
WindowImportProperties win = new WindowImportProperties(reportName, reportDesc);
win.ShowDialog();
}
/// <summary>
/// Static helper method to show PickReport window
/// returns true if user clicked OK,
///
/// </summary>
/// <param name="name">Name of the report the user picked</param>
/// <param name="path">path to the report file on disk</param>
/// <param name="translator"></param>
/// <returns>true if your clicked OK</returns>
public static bool PickReport(out string name, out string path, out FluidTrade.Reporting.Interfaces.IStaticReportTranslation translator)
{
name = null;
path = null;
translator = null;
//try to load a crystal report dll. if not there don't let user continue
System.Reflection.Assembly testAssembly = null;
try
{
const String crystalAssebly = "CrystalDecisions.CrystalReports.Engine, Version=10.5.3700.0, Culture=neutral, PublicKeyToken=692fbea5521e1304";
testAssembly = System.Reflection.Assembly.Load(crystalAssebly);
}
catch
{
}
if (testAssembly == null)
{
//TODO: LOCALIZE
MessageBox.Show("Crystal reports are needed for reporting feature. Crystal Reports install can be found at: install directory\\Dependancy\\CrystalReports\\setup.exe");
return(false);
}
//create the PickReport window
WindowPickReport window = new WindowPickReport();
if (true.Equals(window.ShowDialog()))
{
//if the user clicked ok set the return values
path = window.FilePath;
name = window.ReportName;
translator = window.translator;
return(true);
}
//nothing seleceted
return(false);
}
/// <summary>
/// deserialize xml document to name and description and optionally fill stream with content
/// </summary>
/// <param name="xml">xml containing data</param>
/// <param name="name">Name attribute in xml</param>
/// <param name="description">description attribute</param>
/// <param name="outputStream">null if no content is not required</param>
public static void XmlToTempFile(string xml, string tmpFilePath, out string name, out string description, out FluidTrade.Reporting.Interfaces.IStaticReportTranslation translator)
{
Stream outputStream = null;
if (string.IsNullOrEmpty(tmpFilePath) == false)
{
outputStream = File.Open(tmpFilePath, FileMode.CreateNew);
}
name = null;
description = null;
string base64File = null;
string base64TranslationContent = null;
translator = null;
//create the xmlReader to walk the xml doc
using (StringReader stringReader = new StringReader(xml))
{
using (System.Xml.XmlTextReader xmlReader = new System.Xml.XmlTextReader(stringReader))
{
xmlReader.WhitespaceHandling = System.Xml.WhitespaceHandling.Significant;
//read to get to the first node
xmlReader.Read();
//get the name and description attributes
name = xmlReader.GetAttribute(Name);
description = xmlReader.GetAttribute(Description);
if (outputStream == null)
{
return; //dont need to do anymore
}
//get to the content
xmlReader.Read();
base64File = xmlReader.ReadElementContentAsString();
//get to the translator
if (xmlReader.NodeType != System.Xml.XmlNodeType.EndElement)
{
xmlReader.Read();
base64TranslationContent = xmlReader.ReadContentAsString();
}
xmlReader.ReadEndElement();
}
}
//if no outputStream or no content in xml then nothing left to do
if (outputStream == null || string.IsNullOrEmpty(base64File))
{
return;
}
//convert the content to bytes
Byte[] bytes = Convert.FromBase64String(base64File);
//write the bytes to the stream
using (BinaryWriter binWriter = new BinaryWriter(outputStream))
{
binWriter.Write(bytes);
binWriter.Flush();
}
if (string.IsNullOrEmpty(base64TranslationContent) == false)
{
//convert the content to bytes
Byte[] translationBytes = Convert.FromBase64String(base64TranslationContent);
System.Reflection.Assembly translationAssembly = AppDomain.CurrentDomain.Load(translationBytes);
Type[] types = translationAssembly.GetTypes();
foreach (Type t in types)
{
if (t.GetInterface("FluidTrade.Reporting.Interfaces.IStaticReportTranslation") != null)
{
translator = Activator.CreateInstance(t) as FluidTrade.Reporting.Interfaces.IStaticReportTranslation;
break;
}
}
}
}
