Develop Reference

LibreOffice Calc C# SDK: program to insert images into cells, stuck trying to create XGraphic

Background: I'm trying to write a program to insert an image into a cell of a spreadsheet. LibreOffice recently changed how this is done, and all the samples I could find use the old method which no longer works.
Technically I know that you can't "insert" an image into a cell and that such an image is an overlay on a DrawPage that sits on top of the spreadsheet to "decorate" it.
One of the first steps in doing this (the new way) is to create an XGraphic object which contains the image. The process is to create an XGraphicProvider and call it with MediaProperties that specify the image file URL to be loaded. I have a program that is supposed to do this but the resulting XGraphic is null. The LO SDK gives pretty much no information when you do something wrong; it just doesn't work.
Here is the code I have, with all the headers removed:
// addpic
// add picture to spreadsheet - debug version
class OpenOfficeApp {
[STAThread]
static void Main(string[] args) {
bool lreadonly;
string pqfile;
string pqURL;
string pqpic;
pqfile = "file:///D:/Documents/NSexeye/ODS%20File%20Access/"+
"addpix/addpic.ods";
pqpic = "addpic2";
pqURL = pqpic+".jpg";
lreadonly = false;
Console.WriteLine("Using: "+pqfile);
// get the desktop
XComponentContext XCC = uno.util.Bootstrap.bootstrap();
XMultiComponentFactory XMCF =
(XMultiComponentFactory)XCC.getServiceManager();
XMultiServiceFactory XMSF = (XMultiServiceFactory)XCC.getServiceManager();
XComponentLoader XCL =
(XComponentLoader)XMSF.createInstance("com.sun.star.frame.Desktop");
// open the spreadsheet
PropertyValue[] pPV = new PropertyValue[2];
pPV[0] = new PropertyValue();
pPV[0].Name = "Hidden";
pPV[0].Value = new uno.Any(true);
pPV[1] = new PropertyValue();
pPV[1].Name = "ReadOnly";
if (lreadonly) pPV[1].Value = new uno.Any(true);
else pPV[1].Value = new uno.Any(false);
XComponent XCo = XCL.loadComponentFromURL(pqfile,"_blank",0,pPV);
// create graphic object containing image
object oGP = XMCF.createInstanceWithContext(
"com.sun.star.graphic.GraphicProvider",XCC);
if (oGP == null) {
Console.WriteLine("oGP is null. Aborting.");
return;
}
XGraphicProvider XGP = (XGraphicProvider)oGP;
if (XGP == null) {
Console.WriteLine("XGP is null. Aborting.");
return;
}
pPV = new PropertyValue[1];
pPV[0] = new PropertyValue();
pPV[0].Name = "URL";
pPV[0].Value = new uno.Any(pqURL);
Console.WriteLine("Creating XGraphic containing "+pqURL);
XGraphic XG = XGP.queryGraphic(pPV);
// *** XG is null here
if (XG == null) {
Console.WriteLine("XG is null. Aborting.");
return;
}
// ... lots of stuff to be added here
// save and close the spreadsheet
XModifiable XM = (XModifiable)XCo;
XM.setModified(true);
XStorable XSt = (XStorable)XCo;
XSt.store();
XCloseable XCl = (XCloseable)XCo;
XCl.close(true);
// terminate LibreOffice
// *** I want this to not terminate it if something else is open
XDesktop XD = (XDesktop)XCL;
if (XD != null) XD.terminate();
}
}
I get a null for the XGraphic, in the place indicated in the comments. I don't know if the call to create it is failing, or if one of the earlier steps of the process are incorrect.
My goal here, in addition to getting my program working, is to create a sample program showing how to add an image to a Calc spreadsheet cell, and to manipulate such images. There are a fair number of people asking questions about this and none of the examples I've found will work. I think a good working sample will be of value.
I've spent a lot of time searching for information and code samples for this, with nothing that helps. I've tried to find ways to verify the validity of the XGraphicProvider interface with no luck. I've run out of things to try.
I'm hoping someone who knows about the LibreOffice SDK can take a look and maybe see what I'm doing wrong.
Update: I figured out what I was doing wrong: I was passing a bare filename in the "URL" property to XGraphicProvider. It has to be the same format (starting with "file:///") as the spreadsheet's file name specification.
Now I'm stuck with another property problem. The XGraphic has to be specified as a parameter to the GraphicObjectShape's Graphic property, but the setPropertyValue() function requires that it be a uno.Any type. I can't figure out how to specify an interface name like XGraphic as a uno.Any.
Here is the piece of code that won't compile, complaining that it can't convert an XGraphic to a uno.Any, in the first setPropertyValue call:
// set image XGraphic
XPropertySet XPS = (XPropertySet)XS;
XPS.setPropertyValue("Graphic",XG);
XPS.setPropertyValue("Name",new uno.Any(pqpic));
XG is an XGraphic type. Using "new uno.Any(XG)" doesn't work either, giving a similar compiler error.

After trying unsuccessfully for a few hours to get the latest LO SDK up and running, let me offer some untested ideas.
First of all, here is some working Basic code, no doubt similar to what you're translating from. The important line is oShape.Graphic = oProvider.queryGraphic(Props()).
oDoc = ThisComponent
oSheet = oDoc.CurrentController.ActiveSheet
pqURL = "file:///C:/Users/JimK/Desktop/addpic.jpg"
oProvider = createUnoService("com.sun.star.graphic.GraphicProvider")
oShape = oDoc.createInstance("com.sun.star.drawing.GraphicObjectShape")
Dim Props(0) as new com.sun.star.beans.PropertyValue
Props(0).Name= "URL"
Props(0).Value = pqURL
oShape.Graphic = oProvider.queryGraphic(Props())
oCell = oSheet.getCellByPosition(5,5)
oShape.Name = oCell.AbsoluteName + "##" + Props(0).Value
oShape.Anchor = oCell
oSheet.DrawPage.add(oShape)
'Resize
w = oShape.Graphic.Size.Width
h = oShape.Graphic.Size.Height
wcl = oCell.Size.Width
hcl = oCell.Size.Height
If w<>0 and h<>0 then
oCell.String=""
Dim Size as new com.sun.star.awt.Size
Size.Width = wcl
Size.Height = h*wcl/w
If Size.Height > hcl then
Size.Width = hcl*w/h
Size.Height = hcl
Endif
oShape.setSize(Size)
oShape.setPosition(oCell.Position)
erase oShape
Else
oShape.dispose()
Endif
Now, how to translate this to C#? It looks like you may need to explicitly specify the type. In the SDK example, there are calls like this.
xFieldProp.setPropertyValue(
"Orientation",
new uno.Any(
typeof (unoidl.com.sun.star.sheet.DataPilotFieldOrientation),
unoidl.com.sun.star.sheet.DataPilotFieldOrientation.DATA ) );
So in your case, something like this:
XPS.setPropertyValue(
"Graphic"
new uno.Any(
typeof(unoidl.com.sun.star.graphic.XGraphic),
XG));
Alternatively, follow the suggestion here: set GraphicURL, which should load the image and set Graphic for you.

how to add map box tiles to gmap?

I want to get map box tiles from database but it does not work. I get MBTilesMapProvider class from here.
It is invoked like below:
map.Manager.Mode = AccessMode.ServerAndCache;
map.MapProvider = new MBTilesMapProvider("C:\\Users\\NPC\\Desktop\\test\\ne.mbtiles");
result:
but if google maps used as map provider like below it works well
map.Manager.Mode = AccessMode.ServerAndCache;
map.MapProvider = GoogleSatelliteMapProvider.Instance;
When i debuged i noticed that GetTiles method is invoked never.
Note: I think there is no problem about finding database because it reads meta data from database.

I solved solution by make a bit changes at MBTilesHelper.cs.
First i realized that when reading metadata from database MinZoom and MaxZoom values, they always stay as zero because it does not contain MinZoom or MaxZoom. Therefore, i set them manually.
and secondly i changed a bit "getImage" method.
private PureImage getImage(GPoint pos, int zoom)
{
PureImage retval = null;
var resultImage = _mbtiles.GetTileStream(pos.X, pos.Y, zoom);
if (resultImage != null && resultImage.Length > 0)
{
//resultImage.Position = 0L;
retval = GetTileImageFromArray(resultImage);
}
return retval;
}

Adding Multiple Stencils To Same Visio Sheet

I have C# code that creates a Visio Application instance, then opens some existing stencils so I can get the Shape Masters I need for my drawing. Visio 2013 changed things so I need 2 different stencils open. The issue is that I get 2 drawings open in Visio, 1 per stencil. When I build my document and save it, I can close it but there is still another empty drawing open. I also get an empty blank page in my active document where I am creating the drawing.
Visio.Application va = new Visio.Application();
va .Documents.Add(#"");
Visio.Documents vdocs = va.Documents;
const string templateNameU = "BASFLO_M.VSTX";
const string ConnectorStencilNameU = "BASFLO_M.VSSX";
const string RectangleStencilNameU = "BASIC_U.VSS";
const string stencilNameU = "CONNEC_U.VSSX";
const string connectorMasterNameU = "Dynamic Connector";
const string RectangleMasterNameU = "Rounded Rectangle";
Visio.Master connectorMaster = null;
Visio.Master rectangleMaster = null;
// open the templates we need
Visio.Document vc = vdocs.OpenEx(RectangleStencilNameU, short)Visio.VisOpenSaveArgs.visOpenDocked);
va.Documents.Add(templateNameU);
I have tried closing all the open drawings with:
foreach (Visio.Document d in va.Documents)
{
va.Documents[d.Name].Close();
}
va.ActiveDocument.Close();
but that is messy. The for loop for some reason doesn't close the active document. Is there a way to add multiple stencils to the same document and/or page so I am only working with one page? Is there a way to delete the blank page without resorting to a for loop to get the page name to delete it? I have looked through the API and don't see a way.

It looks like you are creating two documents.. i.e. the first (empty) one with va.Documents.Add("") and then the second one based on the template using va.Documents.Add(templateNameU).
If you don't want the first one, just don't create it.. Means, you can create new document, then open stencils, then draw, then close everything, like this:
var doc = va.Documents.Add(templateNameU)
var stn1 = va.Documents.Open(<first stencil>)
var stn2 = va.Documents.Open(<second stencil>)
// ... do stuff with the doc and then close everything...
doc.Close();
stn1.Close();
stn2.Close();
Am I missing something?
BTW, to get "Dynamic connector" you don't need to open the "Connector Stencil", it contains a specific dynamic connector. To get the default connector, you can just use Application.ConnectorToolDataObject
Also, you can connect shapes using shape.AutoConnect (this will also use the default connector)
Also, you don't need to open the stencil specifically actually. If it is part of the template, it will be opened automatically for you when you create a new drawing based on that template (so you can get them using Application.Documents[].
Maybe helpful? (draw 2 rectangles and connect them):
var doc = va.Documents.Add("BASICD_M.VSTX");
var stencil = va.Documents["BASIC_M.VSSX"];
var rectMaster = stencil.Masters["Rounded Rectangle"];
var rect1 = va.ActivePage.Drop(rectMaster, 1, 1);
var rect2 = va.ActivePage.Drop(rectMaster, 3, 1);
rect1.AutoConnect(rect2, Visio.VisAutoConnectDir.visAutoConnectDirNone);

VS Extension - disabling errors from embedded code editor

I want to show c# source code with syntax highlighting and theme coloring inside a wpf control. This is for preview only and I don't need any editing capabilities.
I found some code samples on how to embed a code editor which receives a file path to load.
I loaded it with a temp file I created - and it works, well almost...
The problem is that the loaded code have parsing errors which shows up in the error list.
Is there a way to set those errors to not appear in the error list?
Here is the code:
IVsInvisibleEditorManager invisibleEditorManager = (IVsInvisibleEditorManager)ServiceProvider.GlobalProvider.GetService(typeof(SVsInvisibleEditorManager));
ErrorHandler.ThrowOnFailure(invisibleEditorManager.RegisterInvisibleEditor(csTempFilePath, pProject: null,dwFlags: (uint)_EDITORREGFLAGS.RIEF_ENABLECACHING,
pFactory: null, ppEditor: out this.invisibleEditor));
//The doc data is the IVsTextLines that represents the in-memory version of the file we opened in our invisibe editor, we need
//to extract that so that we can create our real (visible) editor.
IntPtr docDataPointer = IntPtr.Zero;
Guid guidIVSTextLines = typeof(IVsTextLines).GUID;
ErrorHandler.ThrowOnFailure(this.invisibleEditor.GetDocData(fEnsureWritable: 1, riid: ref guidIVSTextLines, ppDocData: out docDataPointer));
try
{
IVsTextLines docData = (IVsTextLines)Marshal.GetObjectForIUnknown(docDataPointer);
//Get the component model so we can request the editor adapter factory which we can use to spin up an editor instance.
IComponentModel componentModel = (IComponentModel)ServiceProvider.GlobalProvider.GetService(typeof(SComponentModel));
IVsEditorAdaptersFactoryService editorAdapterFactoryService = componentModel.GetService<IVsEditorAdaptersFactoryService>();
//Create a code window adapter.
this.codeWindow = editorAdapterFactoryService.CreateVsCodeWindowAdapter(OleServiceProvider);
IVsCodeWindowEx codeWindowEx = (IVsCodeWindowEx)this.codeWindow;
INITVIEW[] initView = new INITVIEW[1];
codeWindowEx.Initialize((uint)_codewindowbehaviorflags.CWB_DISABLESPLITTER,
VSUSERCONTEXTATTRIBUTEUSAGE.VSUC_Usage_Filter,
szNameAuxUserContext: "",
szValueAuxUserContext: "",
InitViewFlags: 0,
pInitView: initView);
ErrorHandler.ThrowOnFailure(this.codeWindow.SetBuffer((IVsTextLines)docData));
//Get our text view for our editor which we will use to get the WPF control that hosts said editor.
ErrorHandler.ThrowOnFailure(this.codeWindow.GetPrimaryView(out this.textView));
//Get our WPF host from our text view (from our code window).
IWpfTextViewHost textViewHost = editorAdapterFactoryService.GetWpfTextViewHost(this.textView);
textViewHost.TextView.Options.SetOptionValue(DefaultTextViewHostOptions.ChangeTrackingId, false);
textViewHost.TextView.Options.SetOptionValue(DefaultTextViewOptions.ViewProhibitUserInputId, true);
var dte = ContainerFactory.GetContainer().Resolve<DTE2>();
var projectItem = dte.Solution.FindProjectItem(csTempFilePath);
projectItem.Properties.Item("BuildAction").Value = prjBuildAction.prjBuildActionNone;
return textViewHost.HostControl;
}
finally
{
if (docDataPointer != IntPtr.Zero)
{
//Release the doc data from the invisible editor since it gave us a ref-counted copy.
Marshal.Release(docDataPointer);
}
}
I've tried to remove the errors from the error list manually. But it didn't work - I think it's because i can only remove errors that I added previously. Here is the code I tried using to remove the errors:
public void RemoveTempFileErrors()
{
var provider = new ErrorListProvider(ServiceProvider.GlobalProvider)
{
ProviderName = "MyProvider",
ProviderGuid = new Guid("41C0915D-A0F4-42B2-985F-D1CC5F65BFFC") // my provider guid
};
var vsTaskList1 = (IVsTaskList) Package.GetGlobalService(typeof (IVsTaskList));
uint providerCookie;
vsTaskList1.RegisterTaskProvider(provider, out providerCookie);
vsTaskList1.RefreshTasks(providerCookie);
var vsTaskList2 = (IVsTaskList2)Package.GetGlobalService(typeof(IVsTaskList));
provider.SuspendRefresh();
IVsEnumTaskItems enumerator;
vsTaskList1.EnumTaskItems(out enumerator);
IVsTaskItem[] arr = new IVsTaskItem[1];
while (enumerator.Next(1, arr, null) == 0)
{
string doc;
arr[0].Document(out doc);
if (doc == csTempFilePath)
{
vsTaskList2.RemoveTasks(providerCookie, 1, arr);
}
}
provider.ResumeRefresh();
provider.Refresh();
vsTaskList1.UnregisterTaskProvider(providerCookie);
}

I solved it partially -
The parsing errors were caused because the code was a method without a class. So i wrapped the method in a class and used an elision buffer to show only the method without the wrapper class
The elision buffer code goes like this:
var subsetSnapshot = new SnapshotSpan(textSnapshot.Lines.First().EndIncludingLineBreak, textSnapshot.Lines.Last().Start);
var projectionBufferFactory = componentModel.GetService<IProjectionBufferFactoryService>();
var projBuffer = projectionBufferFactory.CreateElisionBuffer(null,
new NormalizedSnapshotSpanCollection(subsetSnapshot), ElisionBufferOptions.None);
IVsTextBuffer bufferAdapter = editorAdapterFactoryService.CreateVsTextBufferAdapterForSecondaryBuffer(OleServiceProvider, projBuffer);
projTextView = editorAdapterFactoryService.CreateVsTextViewAdapter(OleServiceProvider);
projTextView.Initialize((IVsTextLines)bufferAdapter, IntPtr.Zero,
(uint)TextViewInitFlags.VIF_HSCROLL | (uint)TextViewInitFlags.VIF_VSCROLL | (uint)TextViewInitFlags3.VIF_NO_HWND_SUPPORT,
new[] { new INITVIEW { fSelectionMargin = 0, fWidgetMargin = 0, fVirtualSpace = 0, fDragDropMove = 0 } };
IWpfTextViewHost projTextViewHost = editorAdapterFactoryService.GetWpfTextViewHost(projTextView);

How do you use the CopyIntoItems method of the SharePoint Copy web service?

I am attempting to load document files into a document library in SharePoint using the CopyIntoItems method of the SharePoint Copy web service.
The code below executes and returns 0 (success). Also, the CopyResult[] array returns 1 value with a "Success" result. However, I cannot find the document anywhere in the library.
I have two questions:
Can anyone see anything wrong with my code or suggest changes?
Can anyone suggest how I could debug this on the server side. I don't have a tremendous amount of experience with SharePoint. If I can track what is going on through logging or some other method on the server side it may help me figure out what is going on.
Code Sample:
string[] destinationUrls = { Uri.EscapeDataString("https://someaddress.com/Reports/Temp") };
SPCopyWebService.FieldInformation i1 = new SPCopyWebService.FieldInformation { DisplayName = "Name", InternalName = "Name", Type = SPListTransferSpike1.SPCopyWebService.FieldType.Text, Value = "Test1Name" };
SPCopyWebService.FieldInformation i2 = new SPCopyWebService.FieldInformation { DisplayName = "Title", InternalName = "Title", Type = SPListTransferSpike1.SPCopyWebService.FieldType.Text, Value = "Test1Title" };
SPCopyWebService.FieldInformation[] info = { i1, i2 };
SPCopyWebService.CopyResult[] result;
byte[] data = File.ReadAllBytes("C:\\SomePath\\Test1Data.txt");
uint ret = SPCopyNew.CopyIntoItems("", destinationUrls, info, data, out result);
Edit that got things working:
I got my code working by adding "http://null" to the SourceUrl field. Nat's answer below would probably work for that reason. Here is the line I changed to get it working.
// Change
uint ret = SPCopyNew.CopyIntoItems("http://null", destinationUrls, info, data, out result);

I think the issue may be in trying to set the "Name" property using the webservice. I have had some fail doing that.
Given the "Name" is the name of the document, you may have some success with
string targetDocName = "Test1Name.txt";
string destinationUrl = Uri.EscapeDataString("https://someaddress.com/Reports/Temp/" + targetDocName);
string[] destinationUrls = { destinationUrl };
SPCopyWebService.FieldInformation i1 = new SPCopyWebService.FieldInformation { DisplayName = "Title", InternalName = "Title", Type = SPListTransferSpike1.SPCopyWebService.FieldType.Text, Value = "Test1Title" };
SPCopyWebService.FieldInformation[] info = { i1};
SPCopyWebService.CopyResult[] result;
byte[] data = File.ReadAllBytes("C:\\SomePath\\Test1Data.txt");
uint ret = SPCopyNew.CopyIntoItems(destinationUrl, destinationUrls, info, data, out result);
Note: I have used the "target" as the "source" property. Don't quite know why, but it does the trick.

I didn't understand very well what you're tying to do, but if you're trying to upload a file from a local directory into a sharepoint library, i would suggest you create a webclient and use uploadata:
Example (VB.NET):
dim webclient as Webclient
webClient.UploadData("http://srvasddress/library/filenameexample.doc", "PUT", filebytes)
Then you just have to check in the file using the lists web service, something like:
listService.CheckInFile("http://srvasddress/library/filenameexample.doc", "description", "1")
Hope it was of some help.
EDIT: Don't forget to set credentials for the web client, etc.
EDIT 2: Update metada fields using this:
listService.UpdateListItems("Name of the Library, batchquery)
You can find info on building batch query's in here: link

The sourceurl is used in Sharepoint. It is a link back to the "Source Document." When in your document library, hover over the item, to the right appears a down pointing triangle. Clicking on it, brings up a menu. Click on the "View Properties" Option. On this page you will see the following "This item is a copy of http://null ( Go To Source Item | Unlink )"
Because we are using the Copy function Sharepoint is keeping track of the "Source item" as part of the Document Management feature.