public void UpdateXMPData()
{
try
{
//ExStart:UpdateXMP
// path to the modified file
string filePath = "Images/Jpeg/sample.jpg";
// get xmp wrapper
XmpPacketWrapper xmpWrapper = MetadataUtility.ExtractXmpPackage(filePath);
// if wrapper is null
if (xmpWrapper == null)
{
// create it
xmpWrapper = new XmpPacketWrapper();
}
// create package
XmpPackage addingSchema = new XmpPackage("rs", "http://www.metadataworkinggroup.com/schemas/regions/");
// set date property
addingSchema.AddValue("rs:createdDate", DateTime.UtcNow);
// set string property
addingSchema.AddValue("rs:File", "File name");
//initialze unordered xmp array
XmpArray managersArray = new XmpArray(XmpArrayType.UNORDERED);
managersArray.AddItem("Joe Doe");
managersArray.AddItem("Adam White");
// set array property
addingSchema.SetArray("rs:managers", managersArray);
// initialize xmp language alternative
LangAlt availableDays = new LangAlt();
// add first value for 'en-us' language
availableDays.AddLanguage("en-us", "Tue");
// add second value for 'en-us' languge
availableDays.AddLanguage("en-us", "Fri");
// set LangAlt property
addingSchema.SetLangAlt("rs:days", availableDays);
// update xmp wrapper with new schema
xmpWrapper.AddPackage(addingSchema);
// create XmpMetadata with updated wrapper
XmpMetadata xmpMetadata = new XmpMetadata();
xmpMetadata.XmpPacket = xmpWrapper;
// update XMP
MetadataUtility.UpdateMetadata(filePath, xmpMetadata);
//ExEnd:UpdateXMP
}
catch (Exception exp)
{
}
}
private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
tabMetadataTypes.TabPages.Clear();
DataSet ds;
using (StreamReader streamReader = new StreamReader(openFileDialog.FileName))
{
try
{
ds = ExportFacade.ExportToDataSet(streamReader.BaseStream);
}
catch (GroupDocs.Metadata.Exceptions.InvalidFormatException)
{
MessageBox.Show(@"This format is not supported");
return;
}
catch (GroupDocs.Metadata.Exceptions.GroupDocsException ex)
{
MessageBox.Show(string.Format("Error: {0}", ex.Message));
return;
}
}
propertiesEditor = null;
saveMetadata.FileName = openFileDialog.FileName;
if (ds.Tables.Count == 0)
{
MessageBox.Show(@"Metadata not found");
}
else
{
for (int i = 0; i < ds.Tables.Count; i++)
{
DataTable table = ds.Tables[i];
Control child;
string tabName;
switch (table.TableName.ToLower())
{
case "xmp":
tabName = "XMP metadata";
XmpPacketWrapper xmpPacket = MetadataUtility.ExtractXmpPackage(openFileDialog.FileName);
ucXmpTree xmpTree = new ucXmpTree();
xmpTree.LoadControl(xmpPacket);
ResizeControl(xmpTree);
child = xmpTree;
break;
case "pdf":
case "doc":
case "xls":
case "ppt":
tabName = "Document properties";
MetadataPropertyCollection properties = MetadataUtility.ExtractDocumentProperties(openFileDialog.FileName);
propertiesEditor = new ucPropertiesEditor();
ResizeControl(propertiesEditor);
propertiesEditor.LoadControl(properties);
child = propertiesEditor;
break;
default:
tabName = string.Format("{0} metadata", table.TableName);
DataGridView gridView = new DataGridView();
ResizeControl(gridView);
gridView.DataSource = table;
child = gridView;
break;
}
tabMetadataTypes.TabPages.Add(tabName);
TabPage addedTab = tabMetadataTypes.TabPages[i];
//addedTab.Anchor = AnchorStyles.Left | AnchorStyles.Bottom | AnchorStyles.Right | AnchorStyles.Top;
addedTab.Controls.Add(child);
}
tabMetadataTypes.Visible = true;
}
}
}
