1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0""

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  View item implementation for list entry item.

    15 *

    16 */

    17 

    18 #include "cpdataformlistentryviewitem.h"

    19 

    20 #ifdef HB_EFFECTS

    21     #include "hbeffect.h"

    22 #endif

    23 

    24 #ifdef HB_GESTURE_FW

    25     #include <hbtapgesture.h>

    26     #include <hbframeitem.h>

    27 #endif

    28 

    29 #include <hbdataformmodel.h>

    30 #include <hbdataformmodelitem.h>

    31 #include <hbabstractitemview.h>

    32 #include <cpsettingformentryitemdata.h>

    33 

    34 #define CP_DATAFORMLISTENTRYVIEWITEM QLatin1String("cpdataformlistentryviewitem")

    35 

    36 /**

    37  * Constructor

    38  */

    39 CpDataFormListEntryViewItem::CpDataFormListEntryViewItem(QGraphicsItem *parent) : 

    40     HbDataFormViewItem(parent)

    41 {

    42     // Add effeect just like item in HbListView

    43 #ifdef HB_EFFECTS       

    44     HbEffect::add(CP_DATAFORMLISTENTRYVIEWITEM + "-focus", "listviewitem_press", "pressed");

    45     HbEffect::add(CP_DATAFORMLISTENTRYVIEWITEM + "-focus", "listviewitem_release", "released");

    46 #endif

    47 }

    48 

    49 /**

    50  * Destructor

    51  */

    52 CpDataFormListEntryViewItem::~CpDataFormListEntryViewItem()

    53 {

    54 }

    55 

    56 /**

    57  * Reimplement by CpDataFormListEntryViewItem, this function return a instance copy.

    58  */

    59 HbAbstractViewItem* CpDataFormListEntryViewItem::createItem()

    60 {

    61     return new CpDataFormListEntryViewItem(*this);

    62 }

    63 

    64 /**

    65  * Reimplement by CpDataFormListEntryViewItem, return true when the model item type is 

    66  * ListEntryItem

    67  */

    68 bool CpDataFormListEntryViewItem::canSetModelIndex(const QModelIndex &index) const

    69 {

    70     HbDataFormModelItem::DataItemType itemType = 

    71         static_cast<HbDataFormModelItem::DataItemType>( 

    72                 index.data(HbDataFormModelItem::ItemTypeRole).toInt());

    73 

    74     return ( itemType == CpSettingFormEntryItemData::ListEntryItem );

    75 }

    76 

    77 /**

    78  * Reimplement by CpDataFormListEntryViewItem

    79  * No content widget in custom list item. So return a null pointer directly

    80  */

    81 HbWidget* CpDataFormListEntryViewItem::createCustomWidget()

    82 {

    83     // Don't need to create any widget

    84     return 0;

    85 }

    86 /**

    87  * Reimplement by CpDataFormListEntryViewItem. Change the description property for 

    88  * custom list item.

    89  */

    90 void CpDataFormListEntryViewItem::restore()

    91 {

    92     HbDataFormModelItem::DataItemType itemType =

    93         static_cast<HbDataFormModelItem::DataItemType> (modelIndex().data(

    94             HbDataFormModelItem::ItemTypeRole).toInt());

    95 

    96     if (itemType == CpSettingFormEntryItemData::ListEntryItem) {

    97         QModelIndex itemIndex = modelIndex();

    98         HbDataFormModel *model = qobject_cast<HbDataFormModel*> (itemView()->model());

    99         if (model) {

   100             HbDataFormModelItem *modelItem = model->itemFromIndex(itemIndex);

   101             if (modelItem->data(HbDataFormModelItem::DescriptionRole).toString().isEmpty()) {

   102                 this->setProperty("hasDescription", false);

   103             }

   104             else {

   105                 this->setProperty("hasDescription", true);

   106             }    

   107         }        

   108     }

   109     HbDataFormViewItem::restore();

   110 }

   111 

   112 /**

   113  * Reimplement by CpDataFormListEntryViewItem, provide the effect when pressing list item

   114  */

   115 void CpDataFormListEntryViewItem::pressStateChanged(bool pressed, bool animate)

   116 {

   117 #ifdef HB_EFFECTS

   118     QGraphicsItem *focusItem =  primitive("dataItem_Background");

   119     bool doAnimate = animate;

   120 

   121     if (pressed) {

   122         if (doAnimate) {

   123             HbEffect::cancel(this, "released");

   124             HbEffect::cancel(focusItem, "released");

   125 

   126             HbEffect::start(this, CP_DATAFORMLISTENTRYVIEWITEM, "pressed");

   127             HbEffect::start(focusItem, CP_DATAFORMLISTENTRYVIEWITEM + QString("-focus"), "pressed");

   128         }

   129     } else {

   130         if (doAnimate) {

   131             HbEffect::cancel(this, "pressed");

   132             HbEffect::cancel(focusItem, "pressed");

   133 

   134             HbEffect::start(this, CP_DATAFORMLISTENTRYVIEWITEM, "released");

   135             HbEffect::start(focusItem, CP_DATAFORMLISTENTRYVIEWITEM + QString("-focus"), "released");

   136         } else {

   137             HbEffect::cancel(this, "pressed");

   138             HbEffect::start(this, CP_DATAFORMLISTENTRYVIEWITEM, "released");

   139             if (focusItem) {

   140                 HbEffect::cancel(focusItem, "pressed");

   141                 HbEffect::start(focusItem, CP_DATAFORMLISTENTRYVIEWITEM + QString("-focus"), "released", this);

   142             }

   143         }

   144     }

   145 #endif

   146 }

   147 

   148 #ifdef HB_GESTURE_FW

   149 

   150 /**

   151  * Reimplement by CpDataFormListEntryViewItem, set different graphics for list item's gesture

   152  */

   153 void CpDataFormListEntryViewItem::gestureEvent(QGestureEvent *event)

   154 {

   155     HbFrameItem *backgroundItem = static_cast<HbFrameItem*> ( primitive("dataItem_Background") );

   156     HbTapGesture *tap = qobject_cast<HbTapGesture *>(event->gesture(Qt::TapGesture));

   157     

   158     if(backgroundItem && tap) {

   159         switch(tap->state()) {

   160         case Qt::GestureStarted: {

   161                 // Set the pressed state

   162                 backgroundItem->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_list_pressed"));

   163             }

   164             break;

   165         case Qt::GestureUpdated: {

   166             

   167             }

   168             break;

   169         case Qt::GestureCanceled: {

   170                 // Set the normal state

   171                 backgroundItem->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_list_normal"));

   172             }

   173             break;

   174         case Qt::GestureFinished: {

   175                 // Set the normal state

   176                 backgroundItem->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_list_normal"));

   177             }

   178             break;

   179         default:

   180             break;

   181         }

   182     }

   183 

   184     HbDataFormViewItem::gestureEvent( event );

   185 }

   186 #endif

   187 

   188 

   189 //End of File