uiservicetab/vimpstui/src/cvimpstuilistboxmodel.cpp
changeset 0 5e5d6b214f4f
child 9 9fdee5e1da30
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiservicetab/vimpstui/src/cvimpstuilistboxmodel.cpp	Tue Feb 02 10:12:18 2010 +0200
@@ -0,0 +1,322 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Custom listbox model for the contact list
+*
+*/
+
+
+#include "cvimpstuilistboxmodel.h"
+#include "mvimpstprocessarray.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::CVIMPSTUiListBoxModel
+// ---------------------------------------------------------------------------
+//
+CVIMPSTUiListBoxModel::CVIMPSTUiListBoxModel()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::~CVIMPSTUiListBoxModel
+// ---------------------------------------------------------------------------
+//
+CVIMPSTUiListBoxModel::~CVIMPSTUiListBoxModel()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::NumberOfItems
+// ---------------------------------------------------------------------------
+//
+TInt CVIMPSTUiListBoxModel::NumberOfItems() const
+    {
+    if( IsFilterActive() )
+        {
+        // Something is filtered
+        return CountItems();
+        }
+    if( iItemTextArray )
+        {
+        // Fast
+        return iItemTextArray->MdcaCount();
+        }
+
+    return 0;
+    }
+    
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::ItemText
+// ---------------------------------------------------------------------------
+//
+TPtrC CVIMPSTUiListBoxModel::ItemText( TInt aItemIndex ) const
+    {
+    if( IsFilterActive() )
+        {
+        // Slow
+        return ItemAt( aItemIndex );
+        }
+
+    // Fast
+    return iItemTextArray->MdcaPoint( aItemIndex );
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::FilteredItemIndex
+// ---------------------------------------------------------------------------
+//
+TInt CVIMPSTUiListBoxModel::FilteredItemIndex( TInt aVisibleItemIndex ) const
+    {
+    if( !IsFilterActive() )
+        {
+        // Nothing is filtered
+        return aVisibleItemIndex;
+        }
+      if( Filter() )
+        {
+        // Get positions of lists
+        RArray<TInt> pos;
+       // iItemModel->MapContactListPositions( pos );
+               
+        // Count visible items until we reach the wanted one
+        TInt itemcount = -1;
+        TInt count = iItemTextArray->MdcaCount();
+        for( TInt i = 0; i < count; ++i )
+            {
+            if( ( pos.Find( i ) != KErrNotFound && 
+                IsContactList( i, pos ) ) ||
+                Filter()->VisibleItemIndex( i ) != KErrNotFound )
+                {                
+                // this item is either visible by filter or
+                // it's our dynamically added contact list
+                itemcount++;
+                if( itemcount == aVisibleItemIndex )
+                    {
+                    pos.Close();
+                    return i;
+                    }
+               }
+            }
+        pos.Close();
+        } 
+    return 0;
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::VisibleItemIndex
+// ---------------------------------------------------------------------------
+//
+TInt CVIMPSTUiListBoxModel::VisibleItemIndex( TInt aOriginalIndex ) const
+    {
+    if( !IsFilterActive() )
+        {
+        // Nothing is filtered
+        return aOriginalIndex;
+        }
+    
+    // Get positions of contact lists
+    RArray<TInt> pos;
+    //iItemModel->MapContactListPositions( pos );
+    
+    // Check if it's even visible
+    TInt index = Filter()->VisibleItemIndex( aOriginalIndex );
+    TBool visibleList = IsContactList( aOriginalIndex, pos );
+    if( index == KErrNotFound && !visibleList )
+        {
+        pos.Close();
+        return KErrNotFound;
+        }
+    
+    // Count up to original index to find out the visible position
+    TInt visibleIndex = -1;
+    for( TInt i = 0; i <= aOriginalIndex; ++i )
+        {
+        if( ( pos.Find( i ) != KErrNotFound && 
+            IsContactList( i, pos ) ) ||
+            Filter()->VisibleItemIndex( i ) != KErrNotFound )
+            {
+            // this item is either visible by filter or
+            // it's our dynamically added contact list
+            visibleIndex++;
+            }
+        }
+    pos.Close();
+    return visibleIndex;
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::CountItems
+// ---------------------------------------------------------------------------
+//
+TInt CVIMPSTUiListBoxModel::CountItems() const
+    {
+    TInt itemcount = 0;
+    if( Filter() )
+        {
+        // Count of visible items by filter
+        itemcount = Filter()->FilteredNumberOfItems();
+        if( itemcount == 0 )
+            {
+            return itemcount;
+            }
+
+        // Get positions of contact lists
+        RArray<TInt> pos;
+        //iItemModel->MapContactListPositions( pos );
+                       
+        // Scan through list positions and count the additional visible items.
+        TInt count = pos.Count();
+        for( TInt i = 0; i < count; ++i )
+            {
+            if( IsContactList( pos[i], pos ) && 
+                Filter()->VisibleItemIndex( pos[i] ) == KErrNotFound )
+                {
+                // List should be visible because it has found contacts in it
+                // but it's filtered out by searchfield. Add it dynamically.
+                itemcount++;
+                }
+            }
+        pos.Close();
+        }
+    return itemcount;
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::ItemAt
+// ---------------------------------------------------------------------------
+//
+TPtrC CVIMPSTUiListBoxModel::ItemAt( TInt aIndex ) const
+    {
+    TInt itemcount = -1;
+    if( Filter() )
+        {
+        // Get positions of contact lists
+        RArray<TInt> pos;       
+        
+        // Scan through visible items until we reach the wanted one
+        TInt count = iItemTextArray->MdcaCount();
+        for( TInt i = 0; i < count; ++i )
+            {
+            if( ( pos.Find( i ) != KErrNotFound && 
+                IsContactList( i, pos ) ) ||
+                Filter()->VisibleItemIndex( i ) != KErrNotFound )
+                {
+                // this item is either visible by filter or
+                // it's our dynamically added contact list
+                itemcount++;
+                if( itemcount == aIndex )
+                    {
+                    // Found it
+                    pos.Close();
+                    return iItemTextArray->MdcaPoint( i );
+                    }
+                }
+            }
+        pos.Close();
+        }
+    return KNullDesC();
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::IsContactList
+// ---------------------------------------------------------------------------
+//
+TBool CVIMPSTUiListBoxModel::IsContactList( TInt aIndex, RArray<TInt>& aPosArray ) const
+    {
+    TInt startInd = aPosArray.Find( aIndex );
+    if( KErrNotFound == startInd )
+        {
+        // aIndex not found in array -> not even list
+        return EFalse;
+        }
+
+    TInt count = aPosArray.Count();
+    TInt end = 0;
+    if( startInd >= count - 1 )
+        {
+        // aIndex is the last list:
+        // Search from aIndex to last item
+        end = iItemTextArray->MdcaCount();
+        }
+    else
+        {
+        // Search from aInded to next item in array
+        end = aPosArray[ startInd + 1 ];
+        }
+    
+    // Try to find visible contacts for this list
+    for ( TInt i = aIndex + 1; i < end; ++i )
+        {
+        if( Filter()->VisibleItemIndex( i ) != KErrNotFound )
+            {
+            // found one
+            return ETrue;
+            }
+        }
+    // not found
+    return EFalse;
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::IsFilterActive
+// ---------------------------------------------------------------------------
+//
+TBool CVIMPSTUiListBoxModel::IsFilterActive() const
+    {
+    if( Filter() )
+        {
+        return iItemTextArray->MdcaCount() != 
+               Filter()->FilteredNumberOfItems();
+        }
+    return EFalse;
+    }
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::MatchableTextArray
+// ---------------------------------------------------------------------------
+//
+const MDesCArray* CVIMPSTUiListBoxModel::MatchableTextArray() const
+    {
+    return this;
+    }
+    
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::MdcaCount
+// ---------------------------------------------------------------------------
+//
+TInt CVIMPSTUiListBoxModel::MdcaCount() const
+    {
+    return iItemModel->Count();
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::MdcaPoint
+// ---------------------------------------------------------------------------
+//
+TPtrC CVIMPSTUiListBoxModel::MdcaPoint( TInt aIndex ) const
+    {
+    return iItemModel->GetItemNameText( aIndex );
+    }
+
+// ---------------------------------------------------------------------------
+// CVIMPSTUiListBoxModel::SetContactListModel
+// ---------------------------------------------------------------------------
+//
+void CVIMPSTUiListBoxModel::SetContactListModel( MVIMPSTProcessArray& 
+                                                  aContactListModel )
+    {
+    iItemModel = &aContactListModel;
+    }
+
+// End of file