5 files changed, 457 insertions, 14 deletions

diff --git a/libopie2/opiepim/backend/opimaccessbackend.h b/libopie2/opiepim/backend/opimaccessbackend.h
index 5707b58..c27acbb 100644
--- a/libopie2/opiepim/backend/opimaccessbackend.h
+++ b/libopie2/opiepim/backend/opimaccessbackend.h
@@ -1,89 +1,89 @@
 #ifndef OPIE_PIM_ACCESS_BACKEND
 #define OPIE_PIM_ACCESS_BACKEND
 
 #include <qarray.h>
 
 #include <opie/opimrecord.h>
 
 
 /**
  * OPimAccessBackend is the base class
  * for all private backends
  * it operates on OPimRecord as the base class
  * and it's responsible for fast manipulating
  * the resource the implementation takes care
  *  of
  */
 template <class T = OPimRecord>
 class OPimAccessBackend {
 public:
     OPimAccessBackend();
     virtual ~OPimAccessBackend();
-    
+
     /**
      * load the resource
      */
-    virtual void load() = 0;
-    
+    virtual bool load() = 0;
+
     /**
      * reload the resource
      */
-    virtual void reload() = 0;
-    
+    virtual bool reload() = 0;
+
     /**
      * save the resource and
      * all it's changes
      */
-    virtual void save() = 0;
-    
+    virtual bool save() = 0;
+
     /**
      * return an array of
      * all available uids
      */
     virtual QArray<int> allRecords()const = 0;
-    
+
     /**
      * queryByExample for T with the SortOrder
      * sort
      */
     virtual QArray<int> queryByExample( const T& t, int sort ) = 0;
-    
+
     /**
      * find the OPimRecord with uid @param uid
      * returns T and T.isEmpty() if nothing was found
      */
-    virtual T find(int uid ) = 0;
-    
+    virtual T find(int uid )const  = 0;
+
     /**
      * clear the back end
      */
     virtual void clear() = 0;
-    
+
     /**
      * add T
      */
     virtual bool add( const T& t ) = 0;
-    
+
     /**
      * remove
      */
     virtual bool remove( int uid ) = 0;
-    
+
     /**
      * replace a record with T.uid()
      */
     virtual bool replace( const T& t ) = 0;
 
 
 };
 
 template <class T>
 OPimAccessBackend<T>::OPimAccessBackend() {
 
 }
 template <class T>
 OPimAccessBackend<T>::~OPimAccessBackend() {
 
 }
 
 #endif
diff --git a/libopie2/opiepim/backend/otodoaccessbackend.cpp b/libopie2/opiepim/backend/otodoaccessbackend.cpp
new file mode 100644
index 0000000..baaeecc
--- a/dev/null
+++ b/libopie2/opiepim/backend/otodoaccessbackend.cpp
@@ -0,0 +1,10 @@
+
+#include "otodoaccessbackend.h"
+
+OTodoAccessBackend::OTodoAccessBackend()
+    : OPimAccessBackend<OTodo>()
+{
+}
+OTodoAccessBackend::~OTodoAccessBackend() {
+
+}
diff --git a/libopie2/opiepim/backend/otodoaccessbackend.h b/libopie2/opiepim/backend/otodoaccessbackend.h
new file mode 100644
index 0000000..ebe2189
--- a/dev/null
+++ b/libopie2/opiepim/backend/otodoaccessbackend.h
@@ -0,0 +1,18 @@
+#ifndef OPIE_TODO_ACCESS_BACKEND_H
+#define OPIE_TODO_ACCESS_BACKEND_H
+
+#include "otodo.h"
+#include "opimaccessbackend.h"
+
+class OTodoAccessBackend : public OPimAccessBackend<OTodo> {
+public:
+    OTodoAccessBackend();
+    ~OTodoAccessBackend();
+    virtual QArray<int> effectiveToDos( const QDate& start,
+                                        const QDate& end,
+                                        bool includeNoDates ) = 0;
+    virtual QArray<int> overDue() = 0;
+
+};
+
+#endif
diff --git a/libopie2/opiepim/backend/otodoaccessxml.cpp b/libopie2/opiepim/backend/otodoaccessxml.cpp
new file mode 100644
index 0000000..21756c9
--- a/dev/null
+++ b/libopie2/opiepim/backend/otodoaccessxml.cpp
@@ -0,0 +1,362 @@
+#include <qfile.h>
+
+#include <qpe/global.h>
+#include <qpe/stringutil.h>
+#include <qpe/timeconversion.h>
+
+#include <opie/xmltree.h>
+
+#include "otodoaccessxml.h"
+
+OTodoAccessXML::OTodoAccessXML( const QString& appName,
+                                const QString& fileName )
+    : OTodoAccessBackend(), m_app( appName ),  m_opened( false ), m_changed( false )
+{
+    if (!fileName.isEmpty() )
+        m_file = fileName;
+    else
+        m_file = Global::applicationFileName( "todolist", "todolist.xml" );
+}
+OTodoAccessXML::~OTodoAccessXML() {
+
+}
+bool OTodoAccessXML::load() {
+    m_opened = false;
+    m_changed = false;
+    /* initialize dict */
+    /*
+     * UPDATE dict if you change anything!!!
+     */
+    QAsciiDict<int> dict(15);
+    dict.setAutoDelete( TRUE );
+    dict.insert("Categories" ,     new int(OTodo::Category)         );
+    dict.insert("Uid" ,            new int(OTodo::Uid)              );
+    dict.insert("HasDate" ,        new int(OTodo::HasDate)          );
+    dict.insert("Completed" ,      new int(OTodo::Completed)        );
+    dict.insert("Description" ,    new int(OTodo::Description)      );
+    dict.insert("Summary" ,        new int(OTodo::Summary)          );
+    dict.insert("Priority" ,       new int(OTodo::Priority)         );
+    dict.insert("DateDay" ,        new int(OTodo::DateDay)          );
+    dict.insert("DateMonth" ,      new int(OTodo::DateMonth)        );
+    dict.insert("DateYear" ,       new int(OTodo::DateYear)         );
+    dict.insert("Progress" ,       new int(OTodo::Progress)         );
+    dict.insert("Completed",       new int(OTodo::Completed)        );
+    dict.insert("CrossReference",  new int(OTodo::CrossReference)   );
+    dict.insert("HasAlarmDateTime",new int(OTodo::HasAlarmDateTime) );
+    dict.insert("AlarmDateTime",   new int(OTodo::AlarmDateTime)    );
+
+    Opie::XMLElement *root = Opie::XMLElement::load( m_file );
+    int day, year, month;
+    day = year = month = -1;
+
+    /* if opened */
+    if ( root != 0l ) {
+        Opie::XMLElement *element = root->firstChild();
+        if ( element == 0l )
+            return false;
+
+        element = element->firstChild();
+
+        while ( element ) {
+            if ( element->tagName() != QString::fromLatin1("Task") ) {
+                element = element->nextChild();
+                continue;
+            }
+            /* here is the right element for a task */
+            OTodo ev = todo( &dict, element );
+            m_events.insert( ev.uid(), ev );
+
+            element = element->nextChild();
+        }
+        return true;
+    }else {
+        qWarning("could not parse");
+        return false;;
+    }
+    delete root;
+
+    m_opened = true;
+    return true;
+}
+bool OTodoAccessXML::reload() {
+    return load();
+}
+bool OTodoAccessXML::save() {
+    if (!m_opened || !m_changed )
+        return true;
+    QString strNewFile = m_file + ".new";
+    QFile f( strNewFile );
+    if (!f.open( IO_WriteOnly|IO_Raw ) )
+        return false;
+
+    int written;
+    QString out;
+    out = "<!DOCTYPE Tasks>\n<Tasks>\n";
+
+    // for all todos
+    QMap<int, OTodo>::Iterator it;
+    for (it = m_events.begin(); it != m_events.end(); ++it ) {
+        out+= "<Task " + toString( (*it) ) + " />\n";
+        QCString cstr = out.utf8();
+        written = f.writeBlock( cstr.data(),  cstr.length() );
+
+        /* less written then we wanted */
+        if ( written != (int)cstr.length() ) {
+            f.close();
+            QFile::remove( strNewFile );
+            return false;
+        }
+        out = QString::null;
+    }
+
+    out +=  "</Tasks>";
+    QCString cstr = out.utf8();
+    written = f.writeBlock( cstr.data(), cstr.length() );
+
+    if ( written != (int)cstr.length() ) {
+        f.close();
+        QFile::remove( strNewFile );
+        return false;
+    }
+    /* flush before renaming */
+    f.close();
+
+    if( ::rename( strNewFile.latin1(),  m_file.latin1() ) < 0 ) {
+        qWarning("error renaming");
+        QFile::remove( strNewFile );
+    }
+
+    m_changed = false;
+    return true;
+}
+QArray<int> OTodoAccessXML::allRecords()const {
+    QArray<int> ids( m_events.count() );
+    QMap<int, OTodo>::ConstIterator it;
+    int i = 0;
+
+    for ( it = m_events.begin(); it != m_events.end(); ++it ) {
+        ids[i] = it.key();
+        i++;
+    }
+    return ids;
+}
+QArray<int> OTodoAccessXML::queryByExample( const OTodo&, int sort ) {
+    QArray<int> ids(0);
+    return ids;
+}
+OTodo OTodoAccessXML::find( int uid )const {
+    OTodo todo;
+    todo.setUid( 0 ); // isEmpty()
+    QMap<int, OTodo>::ConstIterator it = m_events.find( uid );
+    if ( it != m_events.end() )
+        todo = it.data();
+
+    return todo;
+}
+void OTodoAccessXML::clear() {
+    if (m_opened )
+        m_changed = true;
+
+    m_events.clear();
+}
+bool OTodoAccessXML::add( const OTodo& todo ) {
+    m_changed = true;
+    m_events.insert( todo.uid(), todo );
+
+    return true;
+}
+bool OTodoAccessXML::remove( int uid ) {
+    m_changed = true;
+    m_events.remove( uid );
+
+    return true;
+}
+bool OTodoAccessXML::replace( const OTodo& todo) {
+    m_changed = true;
+    m_events.replace( todo.uid(), todo );
+
+    return true;
+}
+QArray<int> OTodoAccessXML::effectiveToDos( const QDate& start,
+                                            const QDate& end,
+                                            bool includeNoDates ) {
+    QArray<int> ids( m_events.count() );
+    QMap<int, OTodo>::Iterator it;
+
+    int i = 0;
+    for ( it = m_events.begin(); it != m_events.end(); ++it ) {
+        if ( !it.data().hasDueDate() ) {
+            if ( includeNoDates ) {
+                ids[i] = it.key();
+                i++;
+            }
+        }else if ( it.data().dueDate() >= start &&
+                   it.data().dueDate() <= end ) {
+            ids[i] = it.key();
+            i++;
+        }
+    }
+    ids.resize( i );
+    return ids;
+}
+QArray<int> OTodoAccessXML::overDue() {
+    QArray<int> ids( m_events.count() );
+    int i = 0;
+
+    QMap<int, OTodo>::Iterator it;
+    for ( it = m_events.begin(); it != m_events.end(); ++it ) {
+        if ( it.data().isOverdue() ) {
+            ids[i] = it.key();
+            i++;
+        }
+    }
+    ids.resize( i );
+    return ids;
+}
+
+
+/* private */
+OTodo OTodoAccessXML::todo( QAsciiDict<int>* dict, Opie::XMLElement* element)const {
+    qWarning("parse to do from XMLElement" );
+    OTodo ev;
+    QMap<QString, QString> attributes = element->attributes();
+    QMap<QString, QString>::Iterator it;
+
+    int *find=0;
+    int day, month, year;
+    day = month = year = -1;
+    for ( it = attributes.begin(); it != attributes.end(); ++it ) {
+        find = (*dict)[ it.key() ];
+        if (!find ) {
+            qWarning("Unknown option" + it.key() );
+            ev.setCustomField( it.key(), it.data() );
+            continue;
+        }
+
+        switch( *find ) {
+        case OTodo::Uid:
+            ev.setUid( it.data().toInt() );
+            break;
+        case OTodo::Category:
+            ev.setCategories( ev.idsFromString( it.data() ) );
+            break;
+        case OTodo::HasDate:
+            ev.setHasDueDate( it.data().toInt() );
+            break;
+        case OTodo::Completed:
+            ev.setCompleted( it.data().toInt() );
+            break;
+        case OTodo::Description:
+            ev.setDescription( it.data() );
+            break;
+        case OTodo::Summary:
+            ev.setSummary( it.data() );
+            break;
+        case OTodo::Priority:
+            ev.setPriority( it.data().toInt() );
+            break;
+        case OTodo::DateDay:
+            day = it.data().toInt();
+            break;
+        case OTodo::DateMonth:
+            month = it.data().toInt();
+            break;
+        case OTodo::DateYear:
+            year = it.data().toInt();
+            break;
+        case OTodo::Progress:
+            ev.setProgress( it.data().toInt() );
+            break;
+        case OTodo::CrossReference:
+        {
+         /*
+          * A cross refernce looks like
+          * appname,id;appname,id
+          * we need to split it up
+          */
+            QStringList refs = QStringList::split(';', it.data() );
+            QStringList::Iterator strIt;
+            for (strIt = refs.begin(); strIt != refs.end(); ++strIt ) {
+                int pos = (*strIt).find(',');
+                if ( pos > -1 )
+                    ev.addRelation( (*strIt).left(pos),  (*strIt).mid(pos+1).toInt() );
+
+            }
+            break;
+        }
+        case OTodo::HasAlarmDateTime:
+            ev.setHasAlarmDateTime( it.data().toInt() );
+            break;
+        case OTodo::AlarmDateTime: {
+            /* this sounds better ;) zecke */
+            ev.setAlarmDateTime( TimeConversion::fromISO8601( it.data().local8Bit() ) );
+            break;
+        }
+        default:
+            break;
+        }
+    }
+    if ( ev.hasDueDate() ) {
+        QDate date( year,  month, day );
+        ev.setDueDate( date );
+    }
+
+    return ev;
+}
+QString OTodoAccessXML::toString( const OTodo& ev )const {
+    QString str;
+
+    str += "Completed=\"" + QString::number( ev.isCompleted() ) + "\" ";
+    str += "HasDate=\"" + QString::number( ev.hasDueDate() ) + "\" ";
+    str += "Priority=\"" + QString::number( ev.priority() ) + "\" ";
+    str += "Progress=\"" + QString::number(ev.progress() ) + "\" ";
+
+    str += "Categories=\"" + toString( ev.categories() ) + "\" ";
+    str += "Description=\"" + Qtopia::escapeString( ev.description() ) + "\" ";
+    str += "Summary=\"" + Qtopia::escapeString( ev.summary() ) + "\" ";
+
+    if ( ev.hasDueDate() ) {
+        str += "DateYear=\"" + QString::number( ev.dueDate().year() ) + "\" ";
+        str += "DateMonth=\"" + QString::number( ev.dueDate().month() ) + "\" ";
+        str += "DateDay=\"" + QString::number( ev.dueDate().day() ) + "\" ";
+    }
+    str += "Uid=\"" + QString::number( ev.uid() ) + "\" ";
+
+// append the extra options
+    /* FIXME Qtopia::Record this is currently not
+     * possible you can set custom fields
+     * but don' iterate over the list
+     * I may do #define private protected
+     * for this case - cough  --zecke
+     */
+    /*
+    QMap<QString, QString> extras = ev.extras();
+    QMap<QString, QString>::Iterator extIt;
+    for (extIt = extras.begin(); extIt != extras.end(); ++extIt )
+        str += extIt.key() + "=\"" +  extIt.data() + "\" ";
+    */
+    // cross refernce
+    QStringList list = ev.relatedApps();
+    QStringList::Iterator listIt;
+    QString refs;
+    str += "CrossReference=\"";
+    bool added = false;
+    for ( listIt = list.begin(); listIt != list.end(); ++listIt ) {
+        added = true;
+        QArray<int> ints = ev.relations( (*listIt) );
+        for ( uint i = 0; i< ints.count(); i++ ) {
+            str += (*listIt) + "," + QString::number( i ) + ";";
+        }
+    }
+    if ( added )
+        str = str.remove( str.length()-1, 1 );
+
+    str += "\" ";
+
+    str += "AlarmDateTime=\"" + TimeConversion::toISO8601( ev.alarmDateTime() ) + "\" ";
+
+    return str;
+}
+QString OTodoAccessXML::toString( const QArray<int>& ints ) const {
+    return Qtopia::Record::idsToString( ints );
+}
diff --git a/libopie2/opiepim/backend/otodoaccessxml.h b/libopie2/opiepim/backend/otodoaccessxml.h
new file mode 100644
index 0000000..be9109d
--- a/dev/null
+++ b/libopie2/opiepim/backend/otodoaccessxml.h
@@ -0,0 +1,53 @@
+#ifndef OPIE_TODO_ACCESS_XML_H
+#define OPIE_TODO_ACCESS_XML_H
+
+#include <qasciidict.h>
+#include <qmap.h>
+
+#include "otodoaccessbackend.h"
+
+namespace Opie {
+    class XMLElement;
+};
+
+class OTodoAccessXML : public OTodoAccessBackend {
+public:
+    /**
+     * fileName if Empty we will use the default path
+     */
+    OTodoAccessXML( const QString& appName,
+                    const QString& fileName = QString::null );
+    ~OTodoAccessXML();
+
+    bool load();
+    bool reload();
+    bool save();
+
+    QArray<int> allRecords()const;
+    QArray<int> queryByExample( const OTodo&, int sort );
+    OTodo find( int uid )const;
+    void clear();
+    bool add( const OTodo& );
+    bool remove( int uid );
+    bool replace( const OTodo& );
+
+    /* our functions */
+    QArray<int> effectiveToDos( const QDate& start,
+                                const QDate& end,
+                                bool includeNoDates );
+    QArray<int> overDue();
+private:
+    OTodo todo( QAsciiDict<int>*, Opie::XMLElement* )const;
+    QString toString( const OTodo& )const;
+    QString toString( const QArray<int>& ints ) const;
+    QMap<int, OTodo> m_events;
+    QString m_file;
+    QString m_app;
+    bool m_opened : 1;
+    bool m_changed : 1;
+    class OTodoAccessXMLPrivate;
+    OTodoAccessXMLPrivate* d;
+
+};
+
+#endif