50 |
50 |
51 class HbTumbleViewItemContainer:public HbListItemContainer |
51 class HbTumbleViewItemContainer:public HbListItemContainer |
52 { |
52 { |
53 Q_DECLARE_PRIVATE(HbTumbleViewItemContainer) |
53 Q_DECLARE_PRIVATE(HbTumbleViewItemContainer) |
54 public: |
54 public: |
55 HbTumbleViewItemContainer(QGraphicsItem* parent = 0); |
55 HbTumbleViewItemContainer(QGraphicsItem* parent = 0); |
56 QPointF recycleItems(const QPointF &delta); |
56 QPointF recycleItems(const QPointF &delta); |
57 |
57 |
58 void setLoopingEnabled(bool looping) ; |
58 void setLoopingEnabled(bool looping) ; |
59 bool isLoopingEnabled() const ; |
59 bool isLoopingEnabled() const ; |
60 void removeItem(const QModelIndex &index, bool animate ); |
60 void removeItem(const QModelIndex &index, bool animate ); |
67 public: |
67 public: |
68 HbTumbleViewItemContainerPrivate(); |
68 HbTumbleViewItemContainerPrivate(); |
69 QPointF recycleItems(const QPointF &delta); |
69 QPointF recycleItems(const QPointF &delta); |
70 HbAbstractViewItem *shiftDownItem(QPointF& delta); |
70 HbAbstractViewItem *shiftDownItem(QPointF& delta); |
71 HbAbstractViewItem *shiftUpItem(QPointF& delta); |
71 HbAbstractViewItem *shiftUpItem(QPointF& delta); |
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72 HbAbstractViewItem* item(const QModelIndex &index) const; |
72 |
73 |
73 bool mIsLooped; |
74 bool mIsLooped; |
74 }; |
75 }; |
75 |
76 |
76 class HbTumbleViewPrivate : public HbListViewPrivate |
77 class HbTumbleViewPrivate : public HbListViewPrivate |
127 } |
128 } |
128 |
129 |
129 QPointF HbTumbleViewItemContainer::recycleItems(const QPointF &delta) |
130 QPointF HbTumbleViewItemContainer::recycleItems(const QPointF &delta) |
130 { |
131 { |
131 Q_D(HbTumbleViewItemContainer); |
132 Q_D(HbTumbleViewItemContainer); |
132 |
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133 if (d->mPrototypes.count() != 1) { |
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134 return delta; |
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135 } |
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136 |
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137 QRectF viewRect(d->itemBoundingRect(d->mItemView)); |
133 QRectF viewRect(d->itemBoundingRect(d->mItemView)); |
138 viewRect.moveTopLeft(viewRect.topLeft() + delta); |
134 viewRect.moveTopLeft(viewRect.topLeft() + delta); |
139 |
135 |
140 int firstVisibleBufferIndex = -1; |
136 int firstVisibleBufferIndex = -1; |
141 int lastVisibleBufferIndex = -1; |
137 int lastVisibleBufferIndex = -1; |
394 q->itemAdded(0, item); |
390 q->itemAdded(0, item); |
395 } |
391 } |
396 return item; |
392 return item; |
397 } |
393 } |
398 |
394 |
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395 HbAbstractViewItem *HbTumbleViewItemContainerPrivate::item(const QModelIndex &index) const |
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396 { |
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397 int itemCount = mItems.count(); |
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398 for(int i=0;i<itemCount;++i) { |
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399 if(mItems.at(i)->modelIndex() == index) { |
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400 return mItems.at(i); |
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401 } |
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402 } |
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403 return 0; |
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404 } |
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405 |
399 HbTumbleViewPrivate::HbTumbleViewPrivate() |
406 HbTumbleViewPrivate::HbTumbleViewPrivate() |
400 :HbListViewPrivate() |
407 :HbListViewPrivate() |
401 ,mHeight(10.0) |
408 ,mHeight(10.0) |
402 ,mPrevSelectedItem(0) |
409 ,mPrevSelectedItem(0) |
403 ,mInternalScroll(false) |
410 ,mInternalScroll(false) |
444 //scroll area settings |
451 //scroll area settings |
445 q->setClampingStyle(HbScrollArea::BounceBackClamping); |
452 q->setClampingStyle(HbScrollArea::BounceBackClamping); |
446 q->setVerticalScrollBarPolicy(HbScrollArea::ScrollBarAlwaysOff); |
453 q->setVerticalScrollBarPolicy(HbScrollArea::ScrollBarAlwaysOff); |
447 q->setHorizontalScrollBarPolicy(HbScrollArea::ScrollBarAlwaysOff); |
454 q->setHorizontalScrollBarPolicy(HbScrollArea::ScrollBarAlwaysOff); |
448 q->setFrictionEnabled(true); |
455 q->setFrictionEnabled(true); |
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456 |
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457 //dont want this to occupy entire screen. preferred is few items. |
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458 q->setSizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred); |
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459 |
449 mDelayedSelectTimer.setSingleShot(true); |
460 mDelayedSelectTimer.setSingleShot(true); |
450 bool b = q->connect(q,SIGNAL(scrollingStarted()),q,SLOT(_q_scrollingStarted())); |
461 bool b = q->connect(q,SIGNAL(scrollingStarted()),q,SLOT(_q_scrollingStarted())); |
451 Q_ASSERT(b); |
462 Q_ASSERT(b); |
452 b = q->connect(q,SIGNAL(scrollingEnded()),q,SLOT(_q_scrollingEnded())); |
463 b = q->connect(q,SIGNAL(scrollingEnded()),q,SLOT(_q_scrollingEnded())); |
453 Q_ASSERT(b); |
464 Q_ASSERT(b); |
522 q->setCurrentIndex(index,QItemSelectionModel::SelectCurrent); |
533 q->setCurrentIndex(index,QItemSelectionModel::SelectCurrent); |
523 } |
534 } |
524 } |
535 } |
525 } |
536 } |
526 |
537 |
527 void HbTumbleView::scrollTo(const QModelIndex &index, ScrollHint) |
538 void HbTumbleView::scrollTo(const QModelIndex &index, ScrollHint hint) |
528 { |
539 { |
529 #ifdef HBTUMBLE_DEBUG |
540 Q_D(HbTumbleView); |
530 qDebug() << "HbTumbleView::scrollTo(" << index.row() << ", )"; |
541 |
531 #endif |
542 if (!d->mModelIterator->model() |
532 HbListView::scrollTo(index, PositionAtCenter); |
543 || index.model() != d->mModelIterator->model()) { |
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544 return; |
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545 } |
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546 |
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547 //If item is in the buffer, just reveal it. |
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548 //This is always the case if recycling is off |
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549 //and sometimes the case when recycling is on |
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550 if (itemRecycling()) { |
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551 if ( !d->mContainer->itemByIndex(index) |
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552 || hint != EnsureVisible) { |
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553 //Now the item is not in the buffer. |
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554 //We must first set the item to be in the buffer |
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555 //If the item is above let's put it first and if it is below put it last |
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556 |
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557 int newIndex = -1; |
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558 |
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559 switch (hint) { |
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560 case PositionAtCenter: { |
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561 int containerCount = d->mContainer->items().count(); |
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562 newIndex = index.row() - containerCount / 2 ; |
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563 if(newIndex < 0){ |
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564 if(isLoopingEnabled()){ |
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565 newIndex = d->mModelIterator->indexCount()+newIndex; |
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566 } |
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567 else{ |
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568 newIndex = 0; |
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569 } |
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570 } |
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571 break; |
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572 } |
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573 case EnsureVisible: |
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574 case PositionAtTop: |
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575 case PositionAtBottom: |
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576 default: { |
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577 qWarning()<<"Scroll Hint is not supported "; } |
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578 } |
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579 d->mContainer->setModelIndexes(d->mModelIterator->index(newIndex)); |
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580 } |
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581 } |
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582 HbAbstractItemView::scrollTo(index, hint); |
533 } |
583 } |
534 |
584 |
535 void HbTumbleViewPrivate::createPrimitives() |
585 void HbTumbleViewPrivate::createPrimitives() |
536 { |
586 { |
537 Q_Q(HbTumbleView); |
587 Q_Q(HbTumbleView); |