controlpanel/src/cpframework/src/cpdataformlistentryviewitem.cpp
branchRCL_3
changeset 24 8ee96d21d9bf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/controlpanel/src/cpframework/src/cpdataformlistentryviewitem.cpp	Tue Aug 31 15:29:50 2010 +0300
@@ -0,0 +1,189 @@
+/*
+* Copyright (c) 2009 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:  View item implementation for list entry item.
+*
+*/
+
+#include "cpdataformlistentryviewitem.h"
+
+#ifdef HB_EFFECTS
+    #include "hbeffect.h"
+#endif
+
+#ifdef HB_GESTURE_FW
+    #include <hbtapgesture.h>
+    #include <hbframeitem.h>
+#endif
+
+#include <hbdataformmodel.h>
+#include <hbdataformmodelitem.h>
+#include <hbabstractitemview.h>
+#include <cpsettingformentryitemdata.h>
+
+#define CP_DATAFORMLISTENTRYVIEWITEM QLatin1String("cpdataformlistentryviewitem")
+
+/**
+ * Constructor
+ */
+CpDataFormListEntryViewItem::CpDataFormListEntryViewItem(QGraphicsItem *parent) : 
+    HbDataFormViewItem(parent)
+{
+    // Add effeect just like item in HbListView
+#ifdef HB_EFFECTS       
+    HbEffect::add(CP_DATAFORMLISTENTRYVIEWITEM + "-focus", "listviewitem_press", "pressed");
+    HbEffect::add(CP_DATAFORMLISTENTRYVIEWITEM + "-focus", "listviewitem_release", "released");
+#endif
+}
+
+/**
+ * Destructor
+ */
+CpDataFormListEntryViewItem::~CpDataFormListEntryViewItem()
+{
+}
+
+/**
+ * Reimplement by CpDataFormListEntryViewItem, this function return a instance copy.
+ */
+HbAbstractViewItem* CpDataFormListEntryViewItem::createItem()
+{
+    return new CpDataFormListEntryViewItem(*this);
+}
+
+/**
+ * Reimplement by CpDataFormListEntryViewItem, return true when the model item type is 
+ * ListEntryItem
+ */
+bool CpDataFormListEntryViewItem::canSetModelIndex(const QModelIndex &index) const
+{
+    HbDataFormModelItem::DataItemType itemType = 
+        static_cast<HbDataFormModelItem::DataItemType>( 
+                index.data(HbDataFormModelItem::ItemTypeRole).toInt());
+
+    return ( itemType == CpSettingFormEntryItemData::ListEntryItem );
+}
+
+/**
+ * Reimplement by CpDataFormListEntryViewItem
+ * No content widget in custom list item. So return a null pointer directly
+ */
+HbWidget* CpDataFormListEntryViewItem::createCustomWidget()
+{
+    // Don't need to create any widget
+    return 0;
+}
+/**
+ * Reimplement by CpDataFormListEntryViewItem. Change the description property for 
+ * custom list item.
+ */
+void CpDataFormListEntryViewItem::restore()
+{
+    HbDataFormModelItem::DataItemType itemType =
+        static_cast<HbDataFormModelItem::DataItemType> (modelIndex().data(
+            HbDataFormModelItem::ItemTypeRole).toInt());
+
+    if (itemType == CpSettingFormEntryItemData::ListEntryItem) {
+        QModelIndex itemIndex = modelIndex();
+        HbDataFormModel *model = qobject_cast<HbDataFormModel*> (itemView()->model());
+        if (model) {
+            HbDataFormModelItem *modelItem = model->itemFromIndex(itemIndex);
+            if (modelItem->data(HbDataFormModelItem::DescriptionRole).toString().isEmpty()) {
+                this->setProperty("hasDescription", false);
+            }
+            else {
+                this->setProperty("hasDescription", true);
+            }    
+        }        
+    }
+    HbDataFormViewItem::restore();
+}
+
+/**
+ * Reimplement by CpDataFormListEntryViewItem, provide the effect when pressing list item
+ */
+void CpDataFormListEntryViewItem::pressStateChanged(bool pressed, bool animate)
+{
+#ifdef HB_EFFECTS
+    QGraphicsItem *focusItem =  primitive("dataItem_Background");
+    bool doAnimate = animate;
+
+    if (pressed) {
+        if (doAnimate) {
+            HbEffect::cancel(this, "released");
+            HbEffect::cancel(focusItem, "released");
+
+            HbEffect::start(this, CP_DATAFORMLISTENTRYVIEWITEM, "pressed");
+            HbEffect::start(focusItem, CP_DATAFORMLISTENTRYVIEWITEM + QString("-focus"), "pressed");
+        }
+    } else {
+        if (doAnimate) {
+            HbEffect::cancel(this, "pressed");
+            HbEffect::cancel(focusItem, "pressed");
+
+            HbEffect::start(this, CP_DATAFORMLISTENTRYVIEWITEM, "released");
+            HbEffect::start(focusItem, CP_DATAFORMLISTENTRYVIEWITEM + QString("-focus"), "released");
+        } else {
+            HbEffect::cancel(this, "pressed");
+            HbEffect::start(this, CP_DATAFORMLISTENTRYVIEWITEM, "released");
+            if (focusItem) {
+                HbEffect::cancel(focusItem, "pressed");
+                HbEffect::start(focusItem, CP_DATAFORMLISTENTRYVIEWITEM + QString("-focus"), "released", this);
+            }
+        }
+    }
+#endif
+}
+
+#ifdef HB_GESTURE_FW
+
+/**
+ * Reimplement by CpDataFormListEntryViewItem, set different graphics for list item's gesture
+ */
+void CpDataFormListEntryViewItem::gestureEvent(QGestureEvent *event)
+{
+    HbFrameItem *backgroundItem = static_cast<HbFrameItem*> ( primitive("dataItem_Background") );
+    HbTapGesture *tap = qobject_cast<HbTapGesture *>(event->gesture(Qt::TapGesture));
+    
+    if(backgroundItem && tap) {
+        switch(tap->state()) {
+        case Qt::GestureStarted: {
+                // Set the pressed state
+                backgroundItem->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_list_pressed"));
+            }
+            break;
+        case Qt::GestureUpdated: {
+            
+            }
+            break;
+        case Qt::GestureCanceled: {
+                // Set the normal state
+                backgroundItem->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_list_normal"));
+            }
+            break;
+        case Qt::GestureFinished: {
+                // Set the normal state
+                backgroundItem->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_list_normal"));
+            }
+            break;
+        default:
+            break;
+        }
+    }
+
+    HbDataFormViewItem::gestureEvent( event );
+}
+#endif
+
+
+//End of File