2 files changed, 263 insertions, 18 deletions

diff --git a/libopie/big-screen/omodalhelper.cpp b/libopie/big-screen/omodalhelper.cpp
new file mode 100644
index 0000000..e3d1c70
--- a/dev/null
+++ b/libopie/big-screen/omodalhelper.cpp
@@ -0,0 +1,160 @@
+/*
+               =.            This file is part of the OPIE Project
+             .=l.            Copyright (c)  2003 hOlgAr <zecke@handhelds.org>
+           .>+-=
+ _;:,     .>    :=|.         This library is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; either version 2 of the License,
+     ._= =}       :          or (at your option) any later version.
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       This library is distributed in the hope that
+     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
+    : ..    .:,     . . .    without even the implied warranty of
+    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
+  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
+..}^=.=       =       ;      Library General Public License for more
+++=   -.     .`     .:       details.
+ :     =  ...= . :.=-
+ -.   .:....=;==+<;          You should have received a copy of the GNU
+  -_. . .   )=.  =           Library General Public License along with
+    --        :-=`           this library; see the file COPYING.LIB.
+                             If not, write to the Free Software Foundation,
+                             Inc., 59 Temple Place - Suite 330,
+                             Boston, MA 02111-1307, USA.
+
+*/
+
+#include <qpushbutton.h>
+#include <qvbox.h>
+#include <qlayout.h>
+#include <qlabel.h>
+
+#include "omodalhelper.h"
+
+
+/* SIgnal handling */
+OModalHelperSignal::OModalHelperSignal( OModalHelperBase* base, QObject* parent )
+    : QObject( parent, "OModal Helper Signal" ), m_base( base ) {
+}
+
+OModalHelperSignal::~OModalHelperSignal() {
+    /* special the ancestor deletes its creator */
+    delete m_base;
+}
+
+
+/* Helper Controler */
+/*
+ * the dialogs signal will be slotted here
+ * and we will call into m_base
+ */
+OModalHelperControler::OModalHelperControler( OModalHelperBase* base, QObject* parent )
+    : QObject(parent, "OModal Helper Controler" ), m_base( base ), m_dia( 0 ), m_id( -1 )
+{
+}
+
+TransactionID OModalHelperControler::transactionID()const {
+    return m_id;
+}
+
+void OModalHelperControler::setTransactionID( TransactionID id ) {
+    m_dia = 0;
+    m_id = id;
+}
+
+QDialog* OModalHelperControler::dialog()const {
+    return m_dia;
+}
+
+/*
+ * If we're in the New mode we will map the QDialog
+ * to the TransactionID
+ */
+void OModalHelperControler::done( int result ) {
+    if ( sender() && !sender()->isA("OModalQueuedDialog") )
+        m_dia = static_cast<QDialog*>( sender() );
+
+    m_base->done( m_id );
+}
+
+void OModalHelperControler::next() {
+    m_base->next( m_id );
+}
+
+void OModalHelperControler::prev() {
+    m_base->prev( m_id );
+}
+
+/* The Queued Dialog inclusive QueuedBar */
+struct OModalQueueBar : public QHBox {
+    QPushButton* next;
+    QPushButton* prev;
+    QLabel     * label;
+
+    OModalQueueBar( QWidget* parent );
+    void setText( const QString& str );
+};
+
+OModalQueueBar::OModalQueueBar( QWidget* parent )
+    : QWidget( parent, "OModal Queue Bar" ) {
+    prev = new QPushButton( this );
+    prev->setText( OModalQueuedDialog::tr("Prev") );
+
+    label = new QLabel(this);
+
+    next = new QPushButton( this );
+    next->setText( OModalQueuedDialog::tr("Next") );
+}
+
+void OModalQueueBar::setText( const QString& str ) {
+    label->setText( str );
+}
+
+
+OModalQueuedDialog::OModalQueuedDialog( QDialog* mainWidget )
+    : QDialog(0, "OModal Queued Dialog" )
+{
+    QVBoxLayout *lay = new QVBoxLayout( this );
+
+    m_bar = new OModalQueueBar( this );
+    lay->addWidget( m_bar );
+
+    m_center = mainWidget;
+    m_center->reparent(this, 0, QPoint(0, 0) );
+    lay->addWidget( m_center );
+
+
+    connect(m_bar->next, SIGNAL(clicked() ), this,
+            SIGNAL(next() ) );
+    connect(m_bar->prev, SIGNAL(clicked() ), this,
+            SIGNAL(prev() ) );
+
+}
+
+OModalQueuedDialog::~OModalQueuedDialog() {
+}
+
+QDialog* OModalQueuedDialog::centerDialog()const {
+    return m_center;
+}
+
+void OModalQueuedDialog::setQueueBarEnabled( bool b) {
+    /* in Qt3 use setEnabled( bool ) */
+    if (b)
+        m_bar->show();
+    else
+        m_bar->hide();
+}
+
+void OModalQueuedDialog::setRecord( int record, int count ) {
+    if (!record && !count ) {
+        hide();
+        return;
+    }else
+        show();
+
+    m_bar->setText( tr("Editing record %1 out of %2",
+                       "Shows the current edited record out of an array of records").arg( record ). arg( count ) );
+}
diff --git a/libopie/big-screen/omodalhelper.h b/libopie/big-screen/omodalhelper.h
index c483403..bc20d10 100644
--- a/libopie/big-screen/omodalhelper.h
+++ b/libopie/big-screen/omodalhelper.h
@@ -53,9 +53,12 @@ struct OModalHelperBase  {
  * This class helps you to work like with modality and help
  * you to keep things in sync
  * It's a template class but it sends signals once one Item is ready
  * the signals contains the status and id of the item and then you
- * can fetch it.
+ * need fetch it.
+ * Handled Records will stay available until the first call to retrieve
+ * either the record via the TransactionID or via the QValueList<Record>. Note
+ * that most functions do not take handled records into account.
  * Also if you edit an record external you can tell this class and it'll
  * call the merge() function of your widget to maybe merge in these changes.
  * It also supports multiple modes. Either it can create new dialogs
  * for each item or it can queue them depending on your usage. But it is
@@ -78,8 +81,9 @@ public:
     enum Mode { Queue, New };
     OModalHelper(enum Mode mode, QObject* parnet );
 
     bool handles( Id id)const;
+    TransactionID transactionID( Id id)const;
 
     void cancel();
     void cancel( TransactionID );
 
@@ -93,11 +97,11 @@ public:
 
     Record record( TransactionID )const;
     RecordList done()const;
 private:
-    virtual void done( TransactionID, QDialog* );
-    virtual void next( TransactionID, OModalHelperControler * );
-    virtual void prev( TransactionID, OModalHelperControler * );
+    virtual void done( TransactionID );
+    virtual void next( TransactionID );
+    virtual void prev( TransactionID );
 
     Record nextRecord( TransactionID, int * )const;
     Record prevRecord( TransactionID, int * )const;
 
@@ -106,8 +110,9 @@ private:
     OModalHelperDialog     *m_dialog;
     OModalHelperSignal     *m_signal; // our signal
     OModalHelperControler  *m_controler;
     IdMap                  m_ids; // maps ids (uids) to a record
+    IdMap                  m_doneIds;
     TransactionMap         m_transactions; // activate transactions
     TransactionMap         m_done; // done and waiting for getting picked
     DialogMap              m_editing; // only used for New Mode
     enum Mode              m_mode; // the mode we're in
@@ -132,8 +137,9 @@ private:
 class OModalHelperSignal : public QObject {
     Q_OBJECT
 public:
     OModalHelperSignal(OModalHelperBase* base,  QObject* parent);
+    ~OModalHelperSignal();
 
 signals:
     done( int status,  TransactionID transaction );
     accepted( TransactionID transaction );
@@ -152,28 +158,36 @@ public:
     void setTransactionID( TransactionID id );
     QDialog* dialog()const;
 
 public slots:
-    virtual done(int result );
+    virtual void done(int result );
+    virtual void next();
+    virtual void prev();
 private:
     QDialog *m_dia;
     TransactionID m_id;
     OModalHelperBase *m_base;
 }
 
-class OModalQueueBar;
+struct OModalQueueBar;
 class OModalQueuedDialog : public QDialog {
     Q_OBJECT
 public:
-    OModalQueuedDialog(QWidget *mainWidget);
+    OModalQueuedDialog(QDialog *mainWidget);
     ~OModalQueuedDialog();
 
     QDialog* centerDialog()const;
 
     void setQueueBarEnabled( bool = true );
     void setRecord( int record, int count );
+
+signals:
+    void next();
+    void prev();
+
 private:
     OModalQueueBar *m_bar;
+    QDialog *m_center;
 };
 
 
 /*
@@ -193,16 +207,16 @@ template<class Dialog, class Record, typename Id>
 OModalHelper<Dialog, Record, Id>::OModalHelper( enum Mode mode, QObject* parent ) {
     m_mode = mode;
     m_signal = new OModalHelperSignal( this, parent );
     m_controler = new OModalHelperControler( this, m_signal );
+
 }
 
 
 /**
  * This functions looks for your record and sees if it is
- * handled with this helper. Note that done and edited records
- * will not be returned. But if you edit an already edited record
- * the done record will be used
+ * handled with this helper. Note that done records
+ * will not be returned.
  *
  * @return true if the record is currenlty edited otherwise false
  *
  * @param Id The id which might be handled
@@ -219,15 +233,34 @@ bool OModalHelper<Dialog, Record, Id>::handles( Id id )const {
 
     return false;
 }
 
+
+/**
+ * just like handles( Id ) but returns the TransactionId
+ */
+template<class Dialog, class Record, typename Id>
+TransactionID OModalHelper<Dialog, Record, Id>::transactionID( Id id)const {
+    if ( m_transactions.isEmpty() )
+        return false;
+
+    TransactionMap::ConstIterator it = m_transactions.begin();
+    for ( ; it != m_transactions.end(); ++it )
+        if ( it.data() == id )
+            return true;
+
+    return false;
+}
+
 /**
  * Cancel will cancel all current operations and clear the list
  * of done operations as well.
+ * This also clears all done operations you did not popped
  */
 template<class Dialog, class Record, typename Id>
 void OModalHelper<Dialog, Record, Id>::cancel() {
     m_ids.clear();
+    m_doneIds.clear();
     m_done.clear();
     m_transactions.clear();
 
     /* we also need to remove the QDialogs */
@@ -238,9 +271,9 @@ void OModalHelper<Dialog, Record, Id>::cancel() {
         m_editing.clear();
     }else if (m_dialog )
         queuedDialog()->setRecord( 0, 0 );
 
-
+    m_controler->setTransactionID( -1 );
 }
 
 
 /**
@@ -277,12 +310,17 @@ void OModalHelper::cancel( TransactionID tid ) {
             int pos;
             Record rec = prevRecord( tid, &pos );
             static_cast<Dialog*>( queuedDialog()->centerDialog() )->setRecord( rec );
             queuedDialog()->setRecord( pos, m_transactions.count() );
+            m_controler->setTransactionID( tid );
         }
     }
-    /* now remove from the various maps */
-    m_ids.remove( m_transactions.contains( tid ) ? m_transactions[tid] : m_done[tid ]  );
+    /* now remove from the various maps  done and currently editing map*/
+    if (m_transactions.contains( tid ) )
+        m_ids.remove( m_transactions[tid]  );
+    if (m_done.contains( tid ) )
+        m_doneIds.remove( m_done[tid ]  );
+
 
     m_done.remove( tid );
     m_transactions.remove( tid );
 }
@@ -300,21 +338,68 @@ void OModalHelper<Dialog, Record, Id>::connectDone( QObject* rec, const char* sl
                      rec, slot );
 }
 
 /**
- * Connect to the accepted Signal. SIGNAL( done(int, TransactionID ) )
- * This signal gets emitted whenever a Record was accepted or rejected
+ * Connect to the accepted Signal. SIGNAL( accepted(TransactionID ) )
+ * This signal gets emitted whenever a Record was accepted
  *
  * @param rec  The object where the slot belongs to
  * @param slot The slot which should be called. See the needed parameter above
  */
 template<class Dialog, class Record, typename Id>
-void OModalHelper<Dialog, Record, Id>::( QObject* rec, const char* slot ) {
-
+void OModalHelper<Dialog, Record, Id>::connectAccepted( QObject* rec, const char* slot ) {
+    QObject::connect(m_signal, SIGNAL(accepted(TransactionID) ),
+                     rec, slot );
 }
 
+/**
+ * Same as the accepted method but this one gets emitted if the dialog
+ * got rejected.
+ * SIGNAL( rejected(TransactionID) )
+ *
+ * @param rec The QObject of the slot
+ * @param slot The slot make sure the signature is correct
+ */
+template<class Dialog, class Record, typename Id>
+void OModalHelper<Dialog, Record, Id>::connectRejected( QObject* rec, const char* slot ) {
+    QObject::connect(m_signal, SIGNAL(rejected(TransactionID) ),
+                     rec, slot );
+}
 
+/**
+ * Tell the helper to handle a record. If the record is currently handled
+ * it will be made active.
+ * Already handled record which are waiting getting popped are not taken into account
+ * Otherwise this helpers make the record editable.
+ * The record supplied needs to have a valid copy operator and constructor.
+ * In the case where the record is already present the parameter gets discarded.
+ * If you want the new record to be taken you need to cancel the Transaction first
+ *
+ * @param id  The Identification of the Record. For PIM it would uid()
+ * @param rec The record we want to be edited
+ *
+ * @returns This functions returns the TransactionId assigned to the record
+ *
+ */
 template<class Dialog, class Record, typename Id>
-void OModalHelper<Dialog, Record, Id>::( QObject* rec, const char* slot ) {
+TransactionID OModalHelper<Dialog, Record, Id>::handle( Id id, const Record& rec ) {
+    static TransactionID t_id = 0;
+    t_id++;
+    /*
+     *this method consists out of two parts divided each into New and Queued Mode.
+     * Either we have the dialog already, in this case we need to highlight the widget
+     * Or we need to add it.
+     */
+    TransactionID tid = 0;
+    /* we already have the record lets see if it was done or not */
+    if ( m_ids.contains( id ) ) {
 
+    }
+
+    /* fall through if the record is in the done list */
+    tid = t_id;
+
+
+    return;
 }
+
 #endif