/*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
// EXTERNAL INCLUDES
#include <cstring> // for strcmp
#include <algorithm>
+#include <dali/public-api/actors/layer.h>
+
#include <dali/public-api/animation/constraint.h>
#include <dali/public-api/animation/constraints.h>
#include <dali/devel-api/common/set-wrapper.h>
#include <dali/public-api/common/stage.h>
#include <dali/public-api/events/wheel-event.h>
-#include <dali/public-api/events/touch-event.h>
+#include <dali/public-api/events/touch-data.h>
#include <dali/public-api/object/type-registry.h>
-#include <dali/devel-api/object/type-registry-helper.h>
+#include <dali/public-api/object/type-registry-helper.h>
+#include <dali/devel-api/object/property-helper-devel.h>
+#include <dali/devel-api/object/handle-devel.h>
// INTERNAL INCLUDES
#include <dali-toolkit/public-api/controls/scroll-bar/scroll-bar.h>
#include <dali-toolkit/public-api/controls/scrollable/item-view/item-factory.h>
+#include <dali-toolkit/public-api/controls/scrollable/item-view/default-item-layout.h>
+#include <dali-toolkit/devel-api/controls/scrollable/item-view/default-item-layout-property.h>
+#include <dali-toolkit/devel-api/controls/scrollable/item-view/item-view-devel.h>
+#include <dali-toolkit/internal/controls/scrollable/item-view/grid-layout.h>
+#include <dali-toolkit/internal/controls/scrollable/item-view/depth-layout.h>
+#include <dali-toolkit/internal/controls/scrollable/item-view/spiral-layout.h>
#include <dali-toolkit/internal/controls/scrollable/bouncing-effect-actor.h>
using std::string;
const Vector4 OVERSHOOT_OVERLAY_NINE_PATCH_BORDER(0.0f, 0.0f, 1.0f, 12.0f);
const float DEFAULT_KEYBOARD_FOCUS_SCROLL_DURATION = 0.2f;
+const unsigned int OVERSHOOT_SIZE_CONSTRAINT_TAG(42);
+
/**
* Local helper to convert pan distance (in actor coordinates) to the layout-specific scrolling direction
*/
DALI_PROPERTY_REGISTRATION( Toolkit, ItemView, "minimumSwipeSpeed", FLOAT, MINIMUM_SWIPE_SPEED )
DALI_PROPERTY_REGISTRATION( Toolkit, ItemView, "minimumSwipeDistance", FLOAT, MINIMUM_SWIPE_DISTANCE )
-DALI_PROPERTY_REGISTRATION( Toolkit, ItemView, "wheelScrollDistanceStep", FLOAT, WHELL_SCROLL_DISTANCE_SPEED )
+DALI_PROPERTY_REGISTRATION( Toolkit, ItemView, "wheelScrollDistanceStep", FLOAT, WHEEL_SCROLL_DISTANCE_STEP )
DALI_PROPERTY_REGISTRATION( Toolkit, ItemView, "snapToItemEnabled", BOOLEAN, SNAP_TO_ITEM_ENABLED )
DALI_PROPERTY_REGISTRATION( Toolkit, ItemView, "refreshInterval", FLOAT, REFRESH_INTERVAL )
+DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, ItemView, "layout", ARRAY, LAYOUT )
+
DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ItemView, "layoutPosition", FLOAT, LAYOUT_POSITION)
DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ItemView, "scrollSpeed", FLOAT, SCROLL_SPEED)
DALI_SIGNAL_REGISTRATION( Toolkit, ItemView, "layoutActivated", LAYOUT_ACTIVATED_SIGNAL )
+DALI_ACTION_REGISTRATION( Toolkit, ItemView, "stopScrolling", ACTION_STOP_SCROLLING )
+
+DALI_ACTION_REGISTRATION( Toolkit, ItemView, "enableRefresh", ACTION_ENABLE_REFRESH )
+DALI_ACTION_REGISTRATION( Toolkit, ItemView, "disableRefresh", ACTION_DISABLE_REFRESH )
+
DALI_TYPE_REGISTRATION_END()
bool FindById( const ItemContainer& items, ItemId id )
return false;
}
+/**
+ * Helper to apply size constraint to mOvershootOverlay
+ * @param[in] overshootOverlay The overshootOverlay actor
+ * @param[in] The required height
+ */
+void ApplyOvershootSizeConstraint( Actor overshootOverlay, float height )
+{
+ Constraint constraint = Constraint::New<Vector3>( overshootOverlay, Actor::Property::SIZE, OvershootOverlaySizeConstraint( height ) );
+ constraint.AddSource( ParentSource( Dali::Toolkit::ItemView::Property::SCROLL_DIRECTION ) );
+ constraint.AddSource( ParentSource( Dali::Toolkit::ItemView::Property::LAYOUT_ORIENTATION ) );
+ constraint.AddSource( ParentSource( Dali::Actor::Property::SIZE ) );
+ constraint.SetTag( OVERSHOOT_SIZE_CONSTRAINT_TAG );
+ constraint.Apply();
+}
+
} // unnamed namespace
Dali::Toolkit::ItemView ItemView::New(ItemFactory& factory)
}
ItemView::ItemView(ItemFactory& factory)
-: Scrollable( ControlBehaviour( DISABLE_SIZE_NEGOTIATION | REQUIRES_WHEEL_EVENTS | REQUIRES_KEYBOARD_NAVIGATION_SUPPORT ) ),
+: Scrollable( ControlBehaviour( DISABLE_SIZE_NEGOTIATION | DISABLE_STYLE_CHANGE_SIGNALS | REQUIRES_WHEEL_EVENTS | REQUIRES_KEYBOARD_NAVIGATION_SUPPORT ) ),
mItemFactory(factory),
mItemsParentOrigin(ParentOrigin::CENTER),
mItemsAnchorPoint(AnchorPoint::CENTER),
mIsFlicking(false),
mAddingItems(false),
mRefreshEnabled(true),
+ mRefreshNotificationEnabled(true),
mInAnimation(false)
{
}
Vector2 stageSize = Stage::GetCurrent().GetSize();
mWheelScrollDistanceStep = stageSize.y * DEFAULT_WHEEL_SCROLL_DISTANCE_STEP_PROPORTION;
+ self.TouchSignal().Connect( this, &ItemView::OnTouch );
EnableGestureDetection(Gesture::Type(Gesture::Pan));
mWheelEventFinishedTimer = Timer::New( WHEEL_EVENT_FINISHED_TIME_OUT );
float ItemView::GetCurrentLayoutPosition(unsigned int itemId) const
{
- return Self().GetProperty<float>( Toolkit::ItemView::Property::LAYOUT_POSITION ) + static_cast<float>( itemId );
+ return DevelHandle::GetCurrentProperty< float >( Self(), Toolkit::ItemView::Property::LAYOUT_POSITION ) + static_cast<float>( itemId );
}
void ItemView::ActivateLayout(unsigned int layoutIndex, const Vector3& targetSize, float durationSeconds)
// Remove constraints from previous layout
actor.RemoveConstraints();
+ mActiveLayout->ApplyConstraints(actor, itemId, targetSize, Self() );
+
Vector3 size;
mActiveLayout->GetItemSize( itemId, targetSize, size );
actor.SetSize( size.GetVectorXY() );
-
- mActiveLayout->ApplyConstraints(actor, itemId, targetSize, Self() );
}
// Refresh the new layout
void ItemView::OnRefreshNotification(PropertyNotification& source)
{
- // Cancel scroll animation to prevent any fighting of setting the scroll position property by scroll bar during fast scroll.
- if(!mRefreshEnabled && mScrollAnimation)
+ if( mRefreshNotificationEnabled )
{
- RemoveAnimation(mScrollAnimation);
- }
+ // Cancel scroll animation to prevent any fighting of setting the scroll position property by scroll bar during fast scroll.
+ if(!mRefreshEnabled && mScrollAnimation)
+ {
+ RemoveAnimation(mScrollAnimation);
+ }
- // Only cache extra items when it is not a fast scroll
- DoRefresh(GetCurrentLayoutPosition(0), mRefreshEnabled || mScrollAnimation);
+ // Only cache extra items when it is not a fast scroll
+ DoRefresh(GetCurrentLayoutPosition(0), mRefreshEnabled || mScrollAnimation);
+ }
}
void ItemView::Refresh()
Toolkit::ItemView::Property::SCROLL_CONTENT_SIZE);
}
}
-}
-
-bool ItemView::OnTouchEvent(const TouchEvent& event)
-{
- // Ignore events with multiple-touch points
- if (event.GetPointCount() != 1)
- {
- return false;
- }
-
- if (event.GetPoint(0).state == TouchPoint::Down)
- {
- // Cancel ongoing scrolling etc.
- mGestureState = Gesture::Clear;
-
- mScrollDistance = 0.0f;
- mScrollSpeed = 0.0f;
- Self().SetProperty(Toolkit::ItemView::Property::SCROLL_SPEED, mScrollSpeed);
-
- mScrollOvershoot = 0.0f;
- AnimateScrollOvershoot(0.0f);
-
- if(mScrollAnimation)
- {
- mScrollCompletedSignal.Emit(GetCurrentScrollPosition());
- }
-
- RemoveAnimation(mScrollAnimation);
- }
- return true; // consume since we're potentially scrolling
+ Scrollable::OnChildAdd( child );
}
bool ItemView::OnWheelEvent(const WheelEvent& event)
return clamppedPosition;
}
+bool ItemView::OnTouch( Actor actor, const TouchData& touch )
+{
+ // Ignore events with multiple-touch points
+ if (touch.GetPointCount() != 1)
+ {
+ return false;
+ }
+
+ if ( touch.GetState( 0 ) == PointState::DOWN )
+ {
+ // Cancel ongoing scrolling etc.
+ mGestureState = Gesture::Clear;
+
+ mScrollDistance = 0.0f;
+ mScrollSpeed = 0.0f;
+ Self().SetProperty(Toolkit::ItemView::Property::SCROLL_SPEED, mScrollSpeed);
+
+ mScrollOvershoot = 0.0f;
+ AnimateScrollOvershoot(0.0f);
+
+ if(mScrollAnimation)
+ {
+ mScrollCompletedSignal.Emit(GetCurrentScrollPosition());
+ }
+
+ RemoveAnimation(mScrollAnimation);
+ }
+
+ return true; // consume since we're potentially scrolling
+}
+
void ItemView::OnPan( const PanGesture& gesture )
{
Actor self = Self();
mScrollAnimation.AnimateTo( Property(self, Toolkit::ItemView::Property::SCROLL_SPEED), 0.0f, AlphaFunction::EASE_OUT );
mIsFlicking = true;
+
// Check whether it has already scrolled to the end
- if(fabs(currentLayoutPosition - firstItemScrollPosition) > Math::MACHINE_EPSILON_0)
+ if( fabs(currentLayoutPosition - firstItemScrollPosition) < Math::MACHINE_EPSILON_0 )
{
- AnimateScrollOvershoot(0.0f);
+ AnimateScrollOvershoot( 0.0f );
+ RemoveAnimation( mScrollAnimation );
}
}
float firstItemScrollPosition = ClampFirstItemPosition(layoutPositionDelta, layoutSize, *mActiveLayout);
- float currentOvershoot = self.GetProperty<float>(Toolkit::ItemView::Property::OVERSHOOT);
+ float currentOvershoot = DevelHandle::GetCurrentProperty< float >( self, Toolkit::ItemView::Property::OVERSHOOT );
self.SetProperty(Toolkit::ItemView::Property::LAYOUT_POSITION, firstItemScrollPosition );
{
RemoveAnimation(mScrollAnimation);
mScrollAnimation = Animation::New(durationSeconds);
- mScrollAnimation.AnimateTo( Property(self, Toolkit::ItemView::Property::LAYOUT_POSITION), firstItemScrollPosition, AlphaFunction::EASE_OUT );
+ mScrollAnimation.AnimateTo( Property(self, Toolkit::ItemView::Property::LAYOUT_POSITION), firstItemScrollPosition, mScrollToAlphaFunction );
mScrollAnimation.FinishedSignal().Connect(this, &ItemView::OnScrollFinished);
mScrollAnimation.Play();
}
}
}
-Vector2 ItemView::GetDomainSize() const
-{
- Actor self = Self();
-
- float minScrollPosition = self.GetProperty<float>(Toolkit::Scrollable::Property::SCROLL_POSITION_MIN_Y);
- float maxScrollPosition = self.GetProperty<float>(Toolkit::Scrollable::Property::SCROLL_POSITION_MAX_Y);
-
- return Vector2(0.0f, fabs(GetScrollPosition(minScrollPosition, self.GetCurrentSize()) - GetScrollPosition(-maxScrollPosition, self.GetCurrentSize())));
-}
-
bool ItemView::IsLayoutScrollable(const Vector3& layoutSize)
{
Actor self = Self();
{
RemoveAnimation(mScrollAnimation);
mScrollAnimation = Animation::New(duration);
- mScrollAnimation.AnimateTo( Property(self, Toolkit::ItemView::Property::LAYOUT_POSITION), firstItemScrollPosition, AlphaFunction::EASE_OUT );
+ mScrollAnimation.AnimateTo( Property(self, Toolkit::ItemView::Property::LAYOUT_POSITION), firstItemScrollPosition, mScrollToAlphaFunction );
mScrollAnimation.FinishedSignal().Connect(this, &ItemView::OnScrollFinished);
mScrollAnimation.Play();
}
mRefreshEnabled = true;
}
+void ItemView::SetOvershootSize( const Vector2& size )
+{
+ mOvershootSize = size;
+
+ if( mOvershootOverlay )
+ {
+ // Remove old & add new size constraint
+ mOvershootOverlay.RemoveConstraints( OVERSHOOT_SIZE_CONSTRAINT_TAG );
+ ApplyOvershootSizeConstraint( mOvershootOverlay, mOvershootSize.height );
+ }
+}
+
void ItemView::SetOvershootEffectColor( const Vector4& color )
{
mOvershootEffectColor = color;
mOvershootOverlay.SetDrawMode( DrawMode::OVERLAY_2D );
self.Add(mOvershootOverlay);
- Constraint constraint = Constraint::New<Vector3>( mOvershootOverlay, Actor::Property::SIZE, OvershootOverlaySizeConstraint(mOvershootSize.height) );
- constraint.AddSource( ParentSource( Toolkit::ItemView::Property::SCROLL_DIRECTION ) );
- constraint.AddSource( ParentSource( Toolkit::ItemView::Property::LAYOUT_ORIENTATION ) );
- constraint.AddSource( ParentSource( Actor::Property::SIZE ) );
- constraint.Apply();
+ ApplyOvershootSizeConstraint( mOvershootOverlay, mOvershootSize.height );
- mOvershootOverlay.SetSize(mOvershootSize.width, mOvershootSize.height);
-
- constraint = Constraint::New<Quaternion>( mOvershootOverlay, Actor::Property::ORIENTATION, OvershootOverlayRotationConstraint );
+ Constraint constraint = Constraint::New<Quaternion>( mOvershootOverlay, Actor::Property::ORIENTATION, OvershootOverlayRotationConstraint );
constraint.AddSource( ParentSource( Toolkit::ItemView::Property::SCROLL_DIRECTION ) );
constraint.AddSource( ParentSource( Toolkit::ItemView::Property::LAYOUT_ORIENTATION ) );
constraint.AddSource( ParentSource( Toolkit::ItemView::Property::OVERSHOOT ) );
if(mOvershootAnimationSpeed > Math::MACHINE_EPSILON_0)
{
- float currentOvershoot = self.GetProperty<float>(Toolkit::ItemView::Property::OVERSHOOT);
+ float currentOvershoot = DevelHandle::GetCurrentProperty< float >( self, Toolkit::ItemView::Property::OVERSHOOT );
float duration = 0.0f;
if (mOvershootOverlay)
itemViewImpl.SetMinimumSwipeDistance( value.Get<float>() );
break;
}
- case Toolkit::ItemView::Property::WHELL_SCROLL_DISTANCE_SPEED:
+ case Toolkit::ItemView::Property::WHEEL_SCROLL_DISTANCE_STEP:
{
itemViewImpl.SetWheelScrollDistanceStep( value.Get<float>() );
break;
itemViewImpl.SetRefreshInterval( value.Get<float>() );
break;
}
+ case Toolkit::DevelItemView::Property::LAYOUT:
+ {
+ // Get a Property::Array from the property if possible.
+ Property::Array layoutArray;
+ if( value.Get( layoutArray ) )
+ {
+ itemViewImpl.SetLayoutArray( layoutArray );
+ }
+ break;
+ }
+ }
+ }
+}
+
+Property::Array ItemView::GetLayoutArray()
+{
+ return mlayoutArray;
+}
+
+void ItemView::SetLayoutArray( const Property::Array& layouts )
+{
+ mlayoutArray = layouts;
+ const int layoutCount = GetLayoutCount();
+ if( layoutCount > 0 )
+ {
+ for(int index = layoutCount - 1; index >= 0; --index)
+ {
+ RemoveLayout(index);
+ if(index == 0) break;
+ }
+ }
+
+ for( unsigned int arrayIdx = 0, arrayCount = layouts.Count(); arrayIdx < arrayCount; ++arrayIdx )
+ {
+ const Property::Value& element = layouts.GetElementAt( arrayIdx );
+
+ Property::Map* layout = element.GetMap();
+ if( layout != NULL )
+ {
+ for( unsigned int mapIdx = 0, mapCount = (*layout).Count(); mapIdx < mapCount; ++mapIdx )
+ {
+ KeyValuePair propertyPair( (*layout).GetKeyValue( mapIdx ) );
+
+ if(propertyPair.first == DefaultItemLayoutProperty::TYPE)
+ {
+ int layoutType = propertyPair.second.Get<int>();
+ if(layoutType <= DefaultItemLayout::SPIRAL && layoutType >= DefaultItemLayout::DEPTH)
+ {
+ //DEPTH, GRID, LIST, SPIRAL
+ switch(DefaultItemLayout::Type(layoutType))
+ {
+ case DefaultItemLayout::DEPTH:
+ {
+ Internal::DepthLayoutPtr depthLayout = Internal::DepthLayout::New();
+ (*depthLayout).SetLayoutProperties(*layout);
+ (*depthLayout).SetDepthLayoutProperties(*layout);
+ AddLayout(*depthLayout);
+ break;
+ }
+ case DefaultItemLayout::GRID:
+ {
+ Internal::GridLayoutPtr gridLayout = Internal::GridLayout::New();
+ (*gridLayout).SetLayoutProperties(*layout);
+ (*gridLayout).SetGridLayoutProperties(*layout);
+ AddLayout(*gridLayout);
+ break;
+ }
+ case DefaultItemLayout::LIST:
+ {
+ Internal::GridLayoutPtr listLayout = Internal::GridLayout::New();
+ listLayout->SetNumberOfColumns( 1 );
+ (*listLayout).SetLayoutProperties(*layout);
+ (*listLayout).SetGridLayoutProperties(*layout);
+ AddLayout(*listLayout);
+ break;
+ }
+ case DefaultItemLayout::SPIRAL:
+ {
+ Internal::SpiralLayoutPtr spiralLayout = Internal::SpiralLayout::New();
+ (*spiralLayout).SetLayoutProperties(*layout);
+ (*spiralLayout).SetSpiralLayoutProperties(*layout);
+ AddLayout(*spiralLayout);
+ break;
+ }
+ }
+ }
+ }
+ }
}
}
}
value = itemViewImpl.GetMinimumSwipeDistance();
break;
}
- case Toolkit::ItemView::Property::WHELL_SCROLL_DISTANCE_SPEED:
+ case Toolkit::ItemView::Property::WHEEL_SCROLL_DISTANCE_STEP:
{
value = itemViewImpl.GetWheelScrollDistanceStep();
break;
value = itemViewImpl.GetRefreshInterval();
break;
}
+ case Toolkit::DevelItemView::Property::LAYOUT:
+ {
+ Property::Array layouts= itemViewImpl.GetLayoutArray();
+ value = layouts;
+ break;
+ }
+
}
}
return value;
}
+bool ItemView::DoAction( BaseObject* object, const std::string& actionName, const Property::Map& attributes )
+{
+ Dali::BaseHandle handle( object );
+
+ Toolkit::ItemView itemView = Toolkit::ItemView::DownCast( handle );
+
+ DALI_ASSERT_ALWAYS( itemView );
+
+ if( 0 == strcmp( actionName.c_str(), ACTION_STOP_SCROLLING ) )
+ {
+ GetImpl( itemView ).DoStopScrolling();
+ }
+ else if ( 0 == strcmp( actionName.c_str(), ACTION_ENABLE_REFRESH ) )
+ {
+ GetImpl( itemView ).SetRefreshNotificationEnabled( true );
+ }
+ else if ( 0 == strcmp( actionName.c_str(), ACTION_DISABLE_REFRESH ) )
+ {
+ GetImpl( itemView ).SetRefreshNotificationEnabled( false );
+ }
+
+ return true;
+}
+
+void ItemView::DoStopScrolling()
+{
+ if( mScrollAnimation )
+ {
+ mScrollAnimation.Stop();
+ mScrollAnimation.Reset();
+ }
+}
+
+void ItemView::SetRefreshNotificationEnabled( bool enabled )
+{
+ mRefreshNotificationEnabled = enabled;
+}
+
} // namespace Internal
} // namespace Toolkit
projects / platform / core / uifw / dali-toolkit.git / blobdiff