/// <summary>
/// Function to view metadata
/// </summary>
private void ViewMetadata_Clicked()
{
try
{
Cursor.Current = Cursors.WaitCursor;
XmlDocument xmlDoc = RetrieveSelectedMetadataFromCatalog(true);
if (xmlDoc == null && styledRecordResponse == null) return;
// prepare metadata for service info
/* xmlDoc = PrepareMetadata(xmlDoc);
if (xmlDoc == null) return;
// transform metadata using style sheet
//load the Xsl if necessary
if (_xsltFull == null) {
_xsltFull = new XslCompiledTransform();
try { _xsltFull.Load(_xsltMetadataToHtmlFullFilePath);
//MessageBox.Show(_xsltFull.ToString() + _xsltMetadataToHtmlFullFilePath);
}
catch { throw new Exception(resourceManager.GetString("loadMetadataException")); }
}*/
/* string tmpFilePath = GenerateTempFilename("Meta", "html");
XmlWriter xmlWriter = new XmlTextWriter(tmpFilePath, Encoding.UTF8);
_xsltFull.Transform(new XmlNodeReader(xmlDoc), xmlWriter);
xmlWriter.Close(); */
string tmpFilePath = "";
if (xmlDoc != null && styledRecordResponse == null)
{
// display metadata in XML format
tmpFilePath = GenerateTempFilename("Meta", "xml");
XmlWriter xmlWriter = new XmlTextWriter(tmpFilePath, Encoding.UTF8);
XmlNode binaryNode = xmlDoc.GetElementsByTagName("Binary")[0];
if (binaryNode != null)
{
XmlNode enclosureNode = xmlDoc.GetElementsByTagName("Enclosure")[0];
if (enclosureNode != null)
binaryNode.RemoveChild(enclosureNode);
}
String outputStr = xmlDoc.InnerXml.Replace("utf-16", "utf-8");
xmlWriter.WriteRaw(outputStr);
xmlWriter.Close();
}
else if (xmlDoc == null && styledRecordResponse != null
&& styledRecordResponse.Trim().Length > 0)
{
// display metadata in XML format
tmpFilePath = GenerateTempFilename("Meta", "html");
FileInfo fileInfo = new FileInfo(tmpFilePath);
System.IO.FileStream fileStream = fileInfo.Create();
StreamWriter sr = new StreamWriter(fileStream);
sr.Write(styledRecordResponse);
sr.Close();
fileStream.Close();
styledRecordResponse = null;
}
// pop up a window displaying the summary HTML
FormViewMetadata frmViewMetadata = new FormViewMetadata();
//tmp
CswRecord record = (CswRecord)(lstSearchResults.SelectedItem);
frmViewMetadata.MetadataTitle = record.Title;
//tmp
frmViewMetadata.Navigate(tmpFilePath);
frmViewMetadata.Show();
frmViewMetadata.Activate();
return;
}
catch (Exception ex)
{
MessageBox.Show(resourceManager.GetString("viewMetadataFailed"), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
styledRecordResponse = null;
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Retrieve metadata for the selected record from server, then display it in metadata viwer.
/// If failed to retrieve metadata froms erver, display a detailed message including HTTP response from server.
/// </summary>
private void ViewMetadata_Clicked()
{
try
{
Cursor.Current = Cursors.WaitCursor;
CswRecord record = (CswRecord)(resultsListBox.SelectedItem);
// retrieve metadata
XmlDocument xmlDoc = RetrieveSelectedMetadataFromCatalog(true);
if (xmlDoc == null && styledRecordResponse == null) return;
string tmpFilePath = "";
if (xmlDoc != null && styledRecordResponse == null)
{
// display metadata in XML format
tmpFilePath = GenerateTempFilename("Meta", "xml");
XmlWriter xmlWriter = new XmlTextWriter(tmpFilePath, Encoding.UTF8);
XmlNode binaryNode = xmlDoc.GetElementsByTagName("Binary")[0];
if (binaryNode != null)
{
XmlNode enclosureNode = xmlDoc.GetElementsByTagName("Enclosure")[0];
if (enclosureNode != null)
binaryNode.RemoveChild(enclosureNode);
}
String outputStr = xmlDoc.InnerXml.Replace("utf-16", "utf-8");
xmlWriter.WriteRaw(outputStr);
xmlWriter.Close();
}
else if(xmlDoc == null && styledRecordResponse != null
&& styledRecordResponse.Trim().Length > 0)
{
// display metadata in XML format
tmpFilePath = GenerateTempFilename("Meta", "html");
FileInfo fileInfo = new FileInfo(tmpFilePath);
System.IO.FileStream fileStream = fileInfo.Create();
StreamWriter sr = new StreamWriter(fileStream);
sr.Write(styledRecordResponse);
sr.Close();
fileStream.Close();
styledRecordResponse = null;
}
// pop up a metadata viwer displaying the metadata as HTML
FormViewMetadata frmViewMetadata = new FormViewMetadata();
frmViewMetadata.FormClosed += new FormClosedEventHandler(RemoveTempFileAfterMetadataViewerClosed);
frmViewMetadata.MetadataTitle = record.Title;
// frmViewMetadata.WindowState = FormWindowState.Maximized;
frmViewMetadata.Navigate(tmpFilePath);
frmViewMetadata.Show();
frmViewMetadata.Activate();
// note: temp file will be deleted when metadata viwer closes.
// see "RemoveTempFileAfterMetadataViewerClosed()"
}
catch (Exception ex)
{
ShowErrorMessageBox(ex.Message);
}
finally
{
styledRecordResponse = null;
Cursor.Current = Cursors.Default;
}
}
