/// <summary>
/// Try to find an unique frame name, which isn't currently used inside
/// remote office instance. Because we create top level frames
/// only, it's enough to check the names of existing child frames on the
/// desktop only.
/// </summary>
/// <returns>
/// should represent an unique frame name, which currently isn't
/// used inside the remote office frame tree
/// (Couldn't guaranteed for a real multi threaded environment.
/// But we try it ...)
/// </returns>
public static String GetUniqueFrameName()
{
String sName = null;
XComponentContext xCtx = OO.GetContext();
try
{
var xSupplier = (XFramesSupplier)xCtx.getServiceManager().createInstanceWithContext("com.sun.star.frame.Desktop", xCtx);
var xContainer = (XIndexAccess)xSupplier.getFrames();
int nCount = xContainer.getCount();
for (int i = 0; i < nCount; ++i)
{
XFrame xFrame = (XFrame)xContainer.getByIndex(i).Value;
sName = BASEFRAMENAME + _mnViewCount;
while (String.Compare(sName, xFrame.getName(), System.StringComparison.Ordinal) == 0)
{
++_mnViewCount;
sName = BASEFRAMENAME + _mnViewCount;
}
}
}
catch (unoidl.com.sun.star.uno.Exception)
{
sName = BASEFRAMENAME;
}
if (sName == null)
{
System.Diagnostics.Debug.WriteLine("invalid name!");
sName = BASEFRAMENAME;
}
return(sName);
}
/// <summary>
/// Load document specified by an URL into given frame synchronously.
/// The result of this operation will be the loaded document for success
/// or null if loading failed.
/// </summary>
/// <param name="xFrame">frame wich should be the target of this load call</param>
/// <param name="sUrl">unparsed URL for loading</param>
/// <param name="lProperties">optional arguments</param>
/// <returns>
/// the loaded document for success or null if it's failed
/// </returns>
public static XComponent LoadDocument(XFrame xFrame, String sUrl, PropertyValue[] lProperties)
{
XComponent xDocument;
String sOldName = null;
try
{
XComponentContext xCtx = OO.GetContext();
// First prepare frame for loading
// We must address it inside the frame tree without any complications.
// So we set an unambiguous (we hope it) name and use it later.
// Don't forget to reset original name after that.
sOldName = xFrame.getName();
String sTarget = "odk_officedev_desk";
xFrame.setName(sTarget);
// Get access to the global component loader of the office
// for synchronous loading the document.
var xLoader =
(XComponentLoader)xCtx.getServiceManager().createInstanceWithContext(OO.Services.FRAME_DESKTOP, xCtx);
// Load the document into the target frame by using his name and
// special search flags.
xDocument = xLoader.loadComponentFromURL(
sUrl,
sTarget,
FrameSearchFlag.CHILDREN,
lProperties);
// don't forget to restore old frame name ...
xFrame.setName(sOldName);
}
catch (unoidl.com.sun.star.io.IOException exIo)
{
// Can be thrown by "loadComponentFromURL()" call.
// The only thing we should do then is to reset changed frame name!
System.Diagnostics.Debug.WriteLine(exIo);
xDocument = null;
if (sOldName != null)
{
xFrame.setName(sOldName);
}
}
catch (IllegalArgumentException exIllegal)
{
// Can be thrown by "loadComponentFromURL()" call.
// The only thing we should do then is to reset changed frame name!
System.Diagnostics.Debug.WriteLine(exIllegal);
xDocument = null;
if (sOldName != null)
{
xFrame.setName(sOldName);
}
}
catch (RuntimeException exRuntime)
{
// Any UNO method of this scope can throw this exception.
// The only thing we can try(!) is to reset changed frame name.
System.Diagnostics.Debug.WriteLine(exRuntime);
xDocument = null;
if (sOldName != null)
{
xFrame.setName(sOldName);
}
}
catch (unoidl.com.sun.star.uno.Exception exUno)
{
// "createInstance()" method of used service manager can throw it.
// The only thing we should do then is to reset changed frame name!
System.Diagnostics.Debug.WriteLine(exUno);
xDocument = null;
if (sOldName != null)
{
xFrame.setName(sOldName);
}
}
return(xDocument);
}
/// <summary>
/// Load document specified by an URL into given frame synchronously.
/// The result of this operation will be the loaded document for success
/// or null if loading failed.
/// </summary>
/// <param name="xFrame">frame wich should be the target of this load call</param>
/// <param name="sUrl">unparsed URL for loading</param>
/// <param name="lProperties">optional arguments</param>
/// <returns>
/// the loaded document for success or null if it's failed
/// </returns>
public static XComponent LoadDocument(XFrame xFrame, String sUrl, PropertyValue[] lProperties)
{
XComponent xDocument;
String sOldName = null;
try
{
XComponentContext xCtx = OO.GetContext();
// First prepare frame for loading
// We must address it inside the frame tree without any complications.
// So we set an unambiguous (we hope it) name and use it later.
// Don't forget to reset original name after that.
sOldName = xFrame.getName();
String sTarget = "odk_officedev_desk";
xFrame.setName(sTarget);
// Get access to the global component loader of the office
// for synchronous loading the document.
var xLoader =
(XComponentLoader)xCtx.getServiceManager().createInstanceWithContext(OO.Services.FRAME_DESKTOP, xCtx);
// Load the document into the target frame by using his name and
// special search flags.
xDocument = xLoader.loadComponentFromURL(
sUrl,
sTarget,
FrameSearchFlag.CHILDREN,
lProperties);
// don't forget to restore old frame name ...
xFrame.setName(sOldName);
}
catch (unoidl.com.sun.star.io.IOException exIo)
{
// Can be thrown by "loadComponentFromURL()" call.
// The only thing we should do then is to reset changed frame name!
System.Diagnostics.Debug.WriteLine(exIo);
xDocument = null;
if (sOldName != null)
xFrame.setName(sOldName);
}
catch (IllegalArgumentException exIllegal)
{
// Can be thrown by "loadComponentFromURL()" call.
// The only thing we should do then is to reset changed frame name!
System.Diagnostics.Debug.WriteLine(exIllegal);
xDocument = null;
if (sOldName != null)
xFrame.setName(sOldName);
}
catch (RuntimeException exRuntime)
{
// Any UNO method of this scope can throw this exception.
// The only thing we can try(!) is to reset changed frame name.
System.Diagnostics.Debug.WriteLine(exRuntime);
xDocument = null;
if (sOldName != null)
xFrame.setName(sOldName);
}
catch (unoidl.com.sun.star.uno.Exception exUno)
{
// "createInstance()" method of used service manager can throw it.
// The only thing we should do then is to reset changed frame name!
System.Diagnostics.Debug.WriteLine(exUno);
xDocument = null;
if (sOldName != null)
xFrame.setName(sOldName);
}
return xDocument;
}
