| -rw-r--r-- | development/pim/pim_howto/pim_howto.lyx | 252 |
1 files changed, 163 insertions, 89 deletions
diff --git a/development/pim/pim_howto/pim_howto.lyx b/development/pim/pim_howto/pim_howto.lyx index 1e43d63..a99b0df 100644 --- a/development/pim/pim_howto/pim_howto.lyx +++ b/development/pim/pim_howto/pim_howto.lyx @@ -4,58 +4,27 @@ \begin_preamble \fancyhead{} \fancyfoot{} \fancyhead[LE,RO]{\slshape \leftmark} \fancyhead[LO,RE]{\slshape \leftmark} \fancyhead[RE,LO]{\thepage} %\fancyhead[LO,RE]{} % \usepackage{ae} +\usepackage[T1]{fontenc} \usepackage[bookmarksopen,colorlinks]{hyperref} % \pdfoutput=1 % \pdfcompresslevel=8 % \pdfinfo{ % /Title ClearSim-RealtTime und Andere % /Creator (Tex) % /Author (Stefan Eilers) % /Subject () % /Keywords (Simulation,Real-Time,ClearSim,prototype,efsm) % } -\renewcommand\familydefault{\sfdefault} - -\usepackage{multicol} -\newcommand\NrCol{3} -\renewenvironment{theindex} - {\columnseprule \z@ - \columnsep 35\p@ - \section*{\indexname}% - \@mkboth{\MakeUppercase\indexname}% - {\MakeUppercase\indexname}% - \begin{multicols}{\NrCol}\thispagestyle{plain}\parindent\z@ - \parskip\z@ \@plus .3\p@\relax - \let\item\@idxitem} - {\clearpage % - \end{multicols}} - -\renewenvironment{theindex} - {\if@twocolumn - \@restonecolfalse - \else - \@restonecoltrue - \fi - \columnseprule \z@ - \columnsep 35\p@ - \twocolumn[\refstepcounter{section}% - \section{\indexname}]% - \@mkboth{\MakeUppercase\indexname}% - {\MakeUppercase\indexname}% - \thispagestyle{plain}\parindent\z@ - \parskip\z@ \@plus .3\p@\relax - \let\item\@idxitem} - {\if@restonecol\onecolumn\else\clearpage\fi} \end_preamble \language american \inputencoding default \fontscheme ae \graphics default \float_placement htbp \paperfontsize default \spacing single @@ -77,22 +46,22 @@ \paperpagestyle fancy \layout Title How to use the Opie-Pim API without getting tired! \newline (Aka: Hitchhikers Guide Through the Opie-Pim API) \newline -(Pre V 0.1) +(V 0.2) \layout Author \family sans -Stefan Eilers +Stefan Eilers (stefan@eilers-online.net) \layout Section* \family sans Abstract \layout Standard The Opie-Pim API provides a powerfull access interface to the PIM (Personal @@ -109,16 +78,26 @@ While starting to read the automatically generated API-documentation, the user may be confused by a lot of unnecessary classes and details which makes the quick start not as easy as possible. Due to the fact that a user will not need most of the details, this paper should help to start to become confortable with those details he need to solve his problems. \layout Standard +\series bold +You will find a more recent version at: +\begin_inset LatexCommand \url{http://www.sra.uni-hannover.de/~eilers/apihowto/pim_howto.pdf} + +\end_inset + + +\layout Standard + + \begin_inset LatexCommand \tableofcontents{} \end_inset \layout Chapter Introduction @@ -212,34 +191,47 @@ OPimAccessFactory \begin_inset LatexCommand \url{http://www.sra.uni-hannover.de/~eilers/apidocs/pim2/html/classOpie_1_1OPimAccessFactory.html} \end_inset ). This operation is defined like this: \layout LyX-Code -T* defaultAccess (typename OPimGlobal::PimType type, const QString &appName) +T* defaultAccess ( +\newline +typename OPimGlobal::PimType type, +\newline +const QString &appName) \layout Standard You just have to add the following lines to your source code to use it (this example is for accessing the contact database): \layout LyX-Code +\layout LyX-Code + #include <opie2/opimaccessfactory.h> \layout LyX-Code use namespace Opie; \layout Standard [...] \layout LyX-Code -OPimContactAccess* sourceDB = OPimAccessFactory<OPimContactAccess>::defaultAcces -s( OPimGlobal::CONTACTLIST, "my-app" ); +OPimContactAccess* sourceDB = +\newline +OPimAccessFactory<OPimContactAccess>::defaultAccess( +\newline +OPimGlobal::CONTACTLIST, +\newline +"my-app" ); +\layout LyX-Code + \layout Standard If everything works as expected, you will receive a pointer to the contact access-class which has to be used for accessing the database. Accessing the datebook database works equally \begin_inset Foot collapsed false @@ -247,25 +239,35 @@ collapsed false The API will be changed in the future: ODateBookAccess will be renamed to OPimEventAccess. \end_inset : \layout LyX-Code -ODateBookAccess* sourceDB = OPimAccessFactory<ODatebookAccess>::defaultAccess( - OPimGlobal::DATEBOOK, "my-app" ); +ODateBookAccess* sourceDB = +\newline +OPimAccessFactory<ODatebookAccess>::defaultAccess( +\newline +OPimGlobal::DATEBOOK, +\newline +"my-app" ); \layout Standard And the same for todo: \layout LyX-Code -OPimTodoAccess* sourceDB = OPimAccessFactory<OPimTodoAccess>::defaultAccess( - OPimGlobal::TODOLIST, "my-app" ); +OPimTodoAccess* sourceDB = +\newline +OPimAccessFactory<OPimTodoAccess>::defaultAccess( +\newline +OPimGlobal::TODOLIST, +\newline +"my-app" ); \layout Standard Using \emph on \begin_inset Quotes gld \end_inset @@ -480,52 +482,135 @@ If you want to work with the existing dataset, you need to get a list of \end_inset allRecords() \begin_inset Quotes grd \end_inset which returns a list of all available records as an \series bold -OPimRecordList +OPimRecordList<T> \series default (see \begin_inset LatexCommand \url{http://www.sra.uni-hannover.de/~eilers/apidocs/pim2/html/classOpie_1_1OPimRecordList.html} \end_inset ). - + This OPimRecordList is a template and should be used with the right class + parameter +\begin_inset Quotes eld +\end_inset + +T +\begin_inset Quotes erd +\end_inset + + which is currently one of the following: OPimContact, OPimTodo and OPimEvent. \layout LyX-Code -List allRecords(); +OPimRecordList<T> allRecords(); \layout Standard In fact, this -\emph on -List -\emph default +\begin_inset Quotes eld +\end_inset + +OPimRecordList<T> +\begin_inset Quotes erd +\end_inset + just contains a list of uid's to take care of memory space. - As every record is identified by an unique identification number which - is called UID (Unique Identification), these numbers just exists once in - the database which is currently on access! To receive the real record, - you have to use the operation + Every record is identified by an unique identification number which is + called UID (Unique Identification). + These numbers just exists once in the database which is currently on access! + To receive the real record, you have to use the operation \begin_inset Quotes gld \end_inset find() \begin_inset Quotes grd \end_inset with a valid UID as parameter: \layout LyX-Code T find (UID uid); \layout Standard +The remaining question is, how to get a valid UID out of a list to use the + +\begin_inset Quotes eld +\end_inset + +find() +\begin_inset Quotes erd +\end_inset + + in a correct manner. + This could be done by requesting a special element of the list, using the + operator[] or by using iterators. + The first one would be like this +\begin_inset Foot +collapsed true + +\layout Standard + +Please do not forget to use +\begin_inset Quotes eld +\end_inset + +use namespace Opie; +\begin_inset Quotes erd +\end_inset + + to enable the namespace +\begin_inset Quotes eld +\end_inset + +Opie +\begin_inset Quotes erd +\end_inset + +!! +\end_inset + +: +\layout LyX-Code + +OPimRecordList<OPimContact> list = allRecords(); +\layout LyX-Code + +for ( int i = 0; i < list.count(); i++ ){ +\layout LyX-Code + + cout << "The UID is: " << list[i] << endl; +\layout LyX-Code + +} +\layout Standard + +Using the iterator is as easy as the previous one: +\layout LyX-Code + +OPimRecordList<OPimContact> list = allRecords(); +\layout LyX-Code + +OPimRecordList<OPimContact>::iterator it; +\layout LyX-Code + +for ( it = list.begin(); it != list.end(); ++it ){ +\layout LyX-Code + + count << "The UID is: " << (*it) << endl; +\layout LyX-Code + +} +\layout Standard + This is all you need to realize a basic access to the PIM-Databases! The next chapter will guide you into more details of the PIM-API. \layout Chapter How to Access PIM-Data: Detailed View \layout Standard As shown in the previous chapter, all we need to access the PIM-Database @@ -748,31 +833,24 @@ In most cases it is not sufficient to receive just a list of all information able to sort it. For this kind of exercise we provide some special operations which provide searching and sorting in an incremental manner \begin_inset Foot collapsed false \layout Standard -FIXME: matchRegexp() does take a list of uid's. +FIXME: matchRegexp() does not take a list of uid's. Therefore it is currently not possible to use it in an incremental manner! (se) \end_inset . - Therefore it is possible to research a -\begin_inset Quotes gld -\end_inset - -List -\begin_inset Quotes grd -\end_inset - - which was returned by a previous search query and to sort it afterwards. + Therefore it is possible to use a list which was returned by a previous + search query and to sort it afterwards. Before we will take a close look into sorting, we will start with searching. There exist two different ways of searching: \layout Enumerate Search a complete database for a special regular expression, using \begin_inset Quotes gld \end_inset @@ -835,28 +913,28 @@ matchRegexp() \end_inset \layout Standard The function is defined like this: \layout LyX-Code -List matchRegexp (const QRegExp& r); +OPimRecordList<T> matchRegexp (const QRegExp& r); \layout Standard The \begin_inset Quotes gld \end_inset -List +OPimRecordList<T> \begin_inset Quotes grd \end_inset - is still a OPimRecordList which contains 0 or more uid's of matching records. + is still a list which contains 0 or more uid's of matching records. As already discussed in section \begin_inset LatexCommand \ref{sec:Accessing-the-access-object} \end_inset you have to use the \begin_inset Quotes gld \end_inset @@ -891,36 +969,20 @@ Eilers \end_inset you have to do the following: \layout LyX-Code OPimContact searchQuery; \layout LyX-Code -searchQuery.setLastName( -\begin_inset Quotes eld -\end_inset - -Eilers -\begin_inset Quotes erd -\end_inset - - ); +searchQuery.setLastName( "Eilers" ); \layout LyX-Code -searchQuery.setHomeZip( -\begin_inset Quotes eld -\end_inset - -3* -\begin_inset Quotes srd -\end_inset - - ); +searchQuery.setHomeZip( "3*" ); \layout Standard We use an usual \begin_inset Quotes gld \end_inset OPimContact \begin_inset Quotes grd @@ -954,18 +1016,19 @@ AND as we would do to find files in a filesystem. \layout Standard The next step is to put this query into the operation which is defined like this: \layout LyX-Code -List queryByExample (const T& query, int querySettings, const QDateTime& - startperiod=QDateTime()) +OPimRecordList<T> queryByExample (const T& query, +\newline +int querySettings, const QDateTime& startperiod=QDateTime()) \layout Standard The first parameter \begin_inset Quotes gld \end_inset query \begin_inset Quotes grd @@ -1065,18 +1128,21 @@ endperiod \layout LyX-Code use namespace Opie; \layout LyX-Code [...] \layout LyX-Code -List found_items = queryByExample( searchQuery, OPimBase::WildCards | OpimBase:: -IgnoreCase ); +OPimRecordList<OPimContact> found_items = +\newline +sourceDB->queryByExample( searchQuery, +\newline +OPimBase::WildCards | OpimBase::IgnoreCase ); \layout Standard This operation may return a list of entries which can be accessed as above, using the \begin_inset Quotes gld \end_inset find() @@ -1212,21 +1278,29 @@ List as the first parameter. The search operation will just occur on this set of uid's! \layout Subsection Sorting \layout Standard To sort a given dataset, you should use the following operation (or one - of the others which behave slightly differently): + of the others which behave slightly differently, see +\begin_inset LatexCommand \url{http://www.sra.uni-hannover.de/~eilers/apidocs/pim2/html/classOpie_1_1OPimAccessTemplate.html} + +\end_inset + +): \layout LyX-Code -List sorted (const List& list, bool ascending, int sortOrder, int sortFilter, - const QArray< UID >& cats); +OPimRecordList<T> sorted (const List& list, +\newline +bool ascending, int sortOrder, int sortFilter, +\newline +const QArray< UID >& cats); \layout Standard This sort operation takes a list of uid's as returned for instance from a search query. The parameter \begin_inset Quotes gld \end_inset |