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Article #212

Problem with export annotations to FDF file

#212
From: Alexander_Zuban
Date: Thu, 19 Mar 2009 09:17
107 lines
4394 bytes
Hello,

We develop our Acrobat plug-in which is export annotations from the document to file. We faced with the problem, that when annotation is open in popup editor, export function not saves it correctly. As a workaround we try to detect if there are any open annotations and then ask user to close them before proceed, but this also not work, because when user open annotation with context menu, then application return it's state correctly, but when popup was opened with double click, then annotation state is not recognized as opened. I attached to the current case a code snippet which is scan document for the annotations and check state of the annotation and annotation popup. After that it exports annotations to file. Please could you advice are there any solution for this problem? We noticed that Adobe close all open annotations before export to data file, are there the same think available for plug-In ( PDTextAnnotSetOpen is not work)?

Is anybody solve the simular problem? Any help will be appreciated!

{{{
void SaveFDFFile ()
{
	ASFileSys fileSys = ASGetDefaultFileSys();
	ASPathName volatile fdfPathName = NULL;
	AVDoc avDoc = AVAppGetActiveDoc();
	PDDoc pdDoc = AVDocGetPDDoc (avDoc);
	bool g_hasOpenPopup = false;

	//check annotations
	DURING
	//get document information
	ASInt32 lastPage = PDDocGetNumPages(pdDoc) - 1;

	PDPage pdPage;
	ASInt32 annotCount;
	PDAnnot annotation;
	//check each page of the document
	for (ASInt32 i=0; i<=lastPage; i++) { 		pdPage = PDDocAcquirePage(pdDoc, i); 		annotCount = PDPageGetNumAnnots(pdPage);

		//check each annotation on the page
		for (ASInt32 j=0; j<annotCount; j++) { 			annotation = PDPageGetAnnot(pdPage, j); 			if(PDAnnotIsValid(annotation)) { 				CosObj dict = PDAnnotGetCosObj(annotation); 				if(PDTextAnnotIsOpen(annotation)){ //never come here when annotation open with double click 					g_hasOpenPopup = true;		 				} 				//check using popup property 				if(CosDictKnown(dict, ASAtomFromString("Popup"))){ 					CosObj popup = CosDictGet(dict, ASAtomFromString("Popup")); 					if(PDTextAnnotIsOpen(popup)){ //never come here when annotation open with double click 						g_hasOpenPopup = true;		 					}

				}
			}
		}
		PDPageRelease (pdPage);
	}

	HANDLER
		char buf[255];
    AVAlertNote(ASGetErrorString(ERRORCODE, buf, 254));
	END_HANDLER













	//export
    ASInt32 exportCount;
	PDDocWillExportAnnotCallback exportCallback;
    exportCallback = ASCallbackCreateProto(PDDocWillExportAnnotCallback, ExportFilter);
    CosDoc fdfDoc = PDDocExportNotes(pdDoc, NULL, NULL, NULL, NULL, exportCallback, &exportCount);
	ASCallbackDestroy(exportCallback);



//save annotations
	fdfPathName = ASFileSysCreatePathName (fileSys, ASAtomFromString("Cstring"),"test.fdf", 0);
	ASInt32 errorCode;
	ASFile volatile fdfFile = NULL;
	CosDocSaveParamsRec params;

	// Initialize save params
	memset (&params, 0, sizeof(CosDocSaveParamsRec));
	params.size = sizeof(CosDocSaveParamsRec);
	params.header = "%FDF-1.2";

	DURING
		if (fdfDoc == NULL) {
			// if there were no annotations, create a blank document
			fdfDoc = CosDocCreate(0);
		}
		// Create/Open the file
		errorCode = ASFileSysOpenFile (fileSys, fdfPathName, ASFILE_CREATE | ASFILE_WRITE, (ASFile*)&fdfFile);

		// If we succeeded, save the doc to the file
		if (errorCode == 0) {
			CosDocSaveToFile (fdfDoc, fdfFile, cosSaveFullSave, &params);
			CosDocClose (fdfDoc);
			ASFileClose (fdfFile);
		} else {
			AVAlertNote("Error in saving the fdf file!");
			ASRaise (ASFileError(fileErrOpenFailed));
		}
		HANDLER
			if (fdfFile){
				ASFileClose (fdfFile);
			}
			RERAISE();
	END_HANDLER

		if (fdfPathName){
			ASFileSysReleasePath (fileSys, fdfPathName);
	}



}
}}}

Thank you in advance!
Alexander
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Subject: Problem with export annotations to FDF file
Message-ID: <59b857ac.-1@webcrossing.la2eafNXanI>
Date: Thu, 19 Mar 2009 02:17:19 -0700
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