#define __DALI_TOOLKIT_ITEM_VIEW_H__
/*
- * Copyright (c) 2015 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.
/**
* @brief ItemView is a scrollable layout container.
*
- * Multiple ItemLayouts may be provided, to determine the logical position of each item a layout.
- * Actors are provided from an external ItemFactory, to display the currently visible items.
+ * Multiple ItemLayouts may be provided to determine the logical position of each item layout.
+ * Actors are provided from an external ItemFactory to display the currently visible items.
*
* Signals
- * | %Signal Name | Method |
- * |----------------------------------|--------------------------------------------|
- * | layout-activated | @ref LayoutActivatedSignal() |
+ * | %Signal Name | Method |
+ * |---------------------------------|--------------------------------------------|
+ * | layoutActivated | @ref LayoutActivatedSignal() |
+ * @SINCE_1_0.0
+ *
+ * Actions
+ * | %Action Name | Attributes | Description |
+ * |---------------|-------------------------|-------------------------------------------------|
+ * | stopScrolling | Doesn't have attributes | Stops the scroll animation. See @ref DoAction() |
+ * @SINCE_1_1.33
*/
class DALI_IMPORT_API ItemView : public Scrollable
{
public:
+ /**
+ * @brief Enumeration for the start and end property ranges for this control.
+ * @SINCE_1_1.18
+ */
enum PropertyRange
{
+ PROPERTY_START_INDEX = Toolkit::Scrollable::PROPERTY_END_INDEX + 1, ///< @SINCE_1_1.18
+ PROPERTY_END_INDEX = PROPERTY_START_INDEX + 1000, ///< Reserve property indices, @SINCE_1_1.18
+
ANIMATABLE_PROPERTY_START_INDEX = Toolkit::Scrollable::ANIMATABLE_PROPERTY_END_INDEX + 1,
- ANIMATABLE_PROPERTY_END_INDEX = ANIMATABLE_PROPERTY_START_INDEX + 1000 ///< Reserve animatable property indices
+ ANIMATABLE_PROPERTY_END_INDEX = ANIMATABLE_PROPERTY_START_INDEX + 1000 ///< Reserve animatable property indices @SINCE_1_0.0
};
/**
- * @brief An enumeration of properties belonging to the ScrollView class.
+ * @brief Enumeration for the instance of properties belonging to the ScrollView class.
+ * @SINCE_1_0.0
*/
struct Property
{
+ /**
+ * @brief Enumeration for the instance of properties belonging to the ScrollView class.
+ * @SINCE_1_0.0
+ */
enum
{
- LAYOUT_POSITION = ANIMATABLE_PROPERTY_START_INDEX, ///< Property, name "layout-position", type float
- SCROLL_SPEED, ///< Property, name "scroll-speed", type float
- OVERSHOOT, ///< Property, name "overshoot", type float
- SCROLL_DIRECTION, ///< Property, name "scroll-direction", type Vector2
- LAYOUT_ORIENTATION, ///< Property, name "layout-orientation", type integer
- SCROLL_CONTENT_SIZE ///< Property, name "scroll-content-size", type float
+ ///////////////////////////////////////////////////////////////////////////////
+ // Event side (non-animatable) properties
+ ///////////////////////////////////////////////////////////////////////////////
+
+ /**
+ * @brief The minimum swipe speed in pixels per second.
+ * @details Name "minimumSwipeSpeed", type Property::FLOAT.
+ * @SINCE_1_1.18
+ * @see SetMinimumSwipeSpeed()
+ */
+ MINIMUM_SWIPE_SPEED = PROPERTY_START_INDEX,
+
+ /**
+ * @brief The minimum swipe distance in actor coordinates.
+ * @details Name "minimumSwipeDistance", type Property::FLOAT.
+ * @SINCE_1_1.18
+ * @see SetMinimumSwipeDistance()
+ */
+ MINIMUM_SWIPE_DISTANCE,
+
+ /**
+ * @brief The step of scroll distance in actor coordinates for each wheel event received.
+ * @details Name "wheelScrollDistanceStep", type Property::FLOAT.
+ * @SINCE_1_1.18
+ * @see SetWheelScrollDistanceStep()
+ */
+ WHEEL_SCROLL_DISTANCE_STEP,
+
+ /**
+ * @brief Whether the animation for the layout to scroll to its anchor position after dragging or swiping is enabled.
+ * @details Name "snapToItemEnabled", type Property::BOOLEAN.
+ * @SINCE_1_1.18
+ * @see SetAnchoring()
+ */
+ SNAP_TO_ITEM_ENABLED,
+
+ /**
+ * @brief The interval between refreshes.
+ * @details Name "refreshInterval", type Property::FLOAT.
+ * @SINCE_1_1.18
+ * @see SetRefreshInterval()
+ */
+ REFRESH_INTERVAL,
+
+ /**
+ * @brief The layout used.
+ * @details Name "layout", type Property::ARRAY.
+ * @SINCE_1_2.60
+ * @see Dali::Toolkit::DefaultItemLayoutProperty
+ */
+ LAYOUT,
+
+ ///////////////////////////////////////////////////////////////////////////////
+ // Animatable Properties
+ ///////////////////////////////////////////////////////////////////////////////
+
+ /**
+ * @brief The current logical position within the layout.
+ * @details Name "layoutPosition", type Property::FLOAT.
+ * @SINCE_1_0.0
+ */
+ LAYOUT_POSITION = ANIMATABLE_PROPERTY_START_INDEX,
+
+ /**
+ * @brief The scrolling speed when playing the flick animation.
+ * @details Name "scrollSpeed", type Property::FLOAT.
+ * @SINCE_1_0.0
+ */
+ SCROLL_SPEED,
+
+ /**
+ * @brief The amount that we can scroll beyond the boundary.
+ * @details Name "overshoot", type Property::FLOAT.
+ * @SINCE_1_0.0
+ */
+ OVERSHOOT,
+
+ /**
+ * @brief The current scrolling direction.
+ * @details Name "scrollDirection", type Property::FLOAT.
+ * @SINCE_1_0.0
+ */
+ SCROLL_DIRECTION,
+
+ /**
+ * @brief The current orientation of the layout.
+ * @details Name "layoutOrientation", type Property::INTEGER.
+ * @SINCE_1_0.0
+ */
+ LAYOUT_ORIENTATION,
+
+ /**
+ * @brief The size of the content.
+ * @details Name "scrollContentSize", type Property::FLOAT.
+ * @SINCE_1_0.0
+ */
+ SCROLL_CONTENT_SIZE,
};
};
public:
/**
- * @brief Create an uninitialized ItemView; this can be initialized with ItemView::New().
+ * @brief Creates an uninitialized ItemView; this can be initialized with ItemView::New().
*
* Calling member functions with an uninitialized Dali::Object is not allowed.
+ * @SINCE_1_0.0
*/
ItemView();
/**
* @brief Copy constructor.
+ * @SINCE_1_0.0
+ * @param[in] itemView Handle to an object
*/
ItemView( const ItemView& itemView );
/**
* @brief Assignment operator.
+ * @SINCE_1_0.0
+ * @param[in] itemView Handle to an object
+ * @return A reference to this
*/
ItemView& operator=( const ItemView& itemView );
/**
- * @brief Destructor
+ * @brief Destructor.
*
* This is non-virtual since derived Handle types must not contain data or virtual methods.
+ * @SINCE_1_0.0
*/
~ItemView();
/**
- * @brief Create an initialized ItemView.
+ * @brief Creates an initialized ItemView.
*
- * @param[in] factory The factory which provides ItemView with items.
- * @return A handle to a newly allocated Dali resource.
+ * @SINCE_1_0.0
+ * @param[in] factory The factory which provides ItemView with items
+ * @return A handle to a newly allocated Dali resource
*/
static ItemView New(ItemFactory& factory);
/**
- * @brief Downcast an Object handle to ItemView.
+ * @brief Downcasts a handle to ItemView handle.
*
- * If handle points to a ItemView the downcast produces valid
- * handle. If not the returned handle is left uninitialized.
+ * If handle points to a ItemView, the downcast produces valid handle.
+ * If not, the returned handle is left uninitialized.
*
+ * @SINCE_1_0.0
* @param[in] handle Handle to an object
- * @return handle to a ItemView or an uninitialized handle
+ * @return A handle to a ItemView or an uninitialized handle
*/
static ItemView DownCast( BaseHandle handle );
/**
- * @brief Query the number of layouts.
+ * @brief Queries the number of layouts.
*
- * @return The number of layouts.
+ * @SINCE_1_0.0
+ * @return The number of layouts
*/
unsigned int GetLayoutCount() const;
/**
- * @brief Add a layout.
+ * @brief Adds a layout.
*
- * @param[in] layout The layout.
+ * @SINCE_1_0.0
+ * @param[in] layout The layout
*/
void AddLayout(ItemLayout& layout);
/**
- * @brief Remove a layout.
+ * @brief Removes a layout.
*
+ * @SINCE_1_0.0
+ * @param[in] layoutIndex The index of one of the ItemView layouts
* @pre layoutIndex is less than GetLayoutCount().
- * @param[in] layoutIndex The index of one of the ItemView layouts.
*/
void RemoveLayout(unsigned int layoutIndex);
/**
- * @brief Retrieve a layout.
+ * @brief Retrieves a layout.
*
- * @pre layoutIndex is less than GetLayoutCount().
- * @param[in] layoutIndex The index of the layout to retrieve.
+ * @SINCE_1_0.0
+ * @param[in] layoutIndex The index of the layout to retrieve
* @return The layout
+ * @pre layoutIndex is less than GetLayoutCount().
*/
ItemLayoutPtr GetLayout(unsigned int layoutIndex) const;
/**
- * @brief Retrieve the currently active layout, if any.
+ * @brief Retrieves the currently active layout, if any.
*
- * @return The layout, or an uninitialized pointer if no layout is active.
+ * @SINCE_1_0.0
+ * @return The layout, or an uninitialized pointer if no layout is active
*/
ItemLayoutPtr GetActiveLayout() const;
/**
- * @brief Retrieve the current layout-position of an item in the ItemView.
+ * @brief Retrieves the current layout-position of an item in the ItemView.
*
- * @param[in] itemId The item identifier.
- * @return The current layout-position.
+ * @SINCE_1_0.0
+ * @param[in] itemId The item identifier
+ * @return The current layout-position
*/
float GetCurrentLayoutPosition(ItemId itemId) const;
/**
- * @brief Activate one of the layouts; this will resize the ItemView
+ * @brief Activates one of the layouts; this will resize the ItemView
* & relayout actors within the ItemView.
*
* This is done by applying constraints from the new layout, and
* removing constraints from the previous layout.
*
+ * @SINCE_1_0.0
+ * @param[in] layoutIndex The index of one of the ItemView layouts
+ * @param[in] targetSize The target ItemView & layout size
+ * @param[in] durationSeconds The time taken to relayout in seconds (zero for immediate)
* @pre layoutIndex is less than GetLayoutCount().
* @pre durationSeconds is greater or equal to zero.
- * @param[in] layoutIndex The index of one of the ItemView layouts.
- * @param[in] targetSize The target ItemView & layout size.
- * @param[in] durationSeconds The time taken to relayout in seconds (zero for immediate).
*/
void ActivateLayout(unsigned int layoutIndex, Vector3 targetSize, float durationSeconds);
/**
- * @brief Deactivate the current layout, if any.
+ * @brief Deactivates the current layout, if any.
*
* The constraints applied by the layout will be removed.
+ * @SINCE_1_0.0
*/
void DeactivateCurrentLayout();
/**
- * @brief Set the minimum swipe speed in pixels per second; A pan
- * gesture must exceed this to trigger a swipe.
+ * @brief Sets the minimum swipe speed in pixels per second;
+ * A pan gesture must exceed this to trigger a swipe.
*
+ * @SINCE_1_0.0
* @param[in] speed The minimum swipe speed
*/
void SetMinimumSwipeSpeed(float speed);
/**
- * @brief Get the minimum swipe speed in pixels per second.
+ * @brief Gets the minimum swipe speed in pixels per second.
*
+ * @SINCE_1_0.0
* @return The minimum swipe speed
*/
float GetMinimumSwipeSpeed() const;
/**
- * @brief Set the minimum swipe distance in actor coordinates; A pan
- * gesture must exceed this to trigger a swipe.
+ * @brief Sets the minimum swipe distance in actor coordinates;
+ * A pan gesture must exceed this to trigger a swipe.
*
- * @param[in] distance The minimum swipe distance.
+ * @SINCE_1_0.0
+ * @param[in] distance The minimum swipe distance
*/
void SetMinimumSwipeDistance(float distance);
/**
- * @brief Get the minimum swipe distance in actor coordinates.
+ * @brief Gets the minimum swipe distance in actor coordinates.
*
+ * @SINCE_1_0.0
* @return The minimum swipe distance
*/
float GetMinimumSwipeDistance() const;
/**
* @brief Set the step of scroll distance in actor coordinates for each wheel event received.
*
+ * @SINCE_1_0.0
* @param[in] step The step of scroll distance(pixel).
*/
void SetWheelScrollDistanceStep(float step);
/**
* @brief Get the step of scroll distance in actor coordinates for each wheel event received.
*
+ * @SINCE_1_0.0
* @return The step of scroll distance(pixel)
*/
float GetWheelScrollDistanceStep() const;
* The anchor position is the position where all the items in the layout
* are aligned to their closest rounded layout positions in integer.
*
+ * @SINCE_1_0.0
* @param[in] enabled Whether the anchor animation is enabled or not.
*/
void SetAnchoring(bool enabled);
/**
* @brief Get whether the anchor animation is enabled or not.
*
+ * @SINCE_1_0.0
* @return Whether the anchor animation is enabled or not.
*/
bool GetAnchoring() const;
* This is the time taken to reach the nearest anchor position after
* a drag or swipe gesture ends.
*
- * @pre durationSeconds must be greater than zero.
+ * @SINCE_1_0.0
* @param[in] durationSeconds The duration of the anchor animation in seconds.
+ * @pre durationSeconds must be greater than zero.
*/
void SetAnchoringDuration(float durationSeconds);
/**
* @brief Get the duration of the anchor animation in seconds.
*
+ * @SINCE_1_0.0
* @return The duration of the anchor animation
*/
float GetAnchoringDuration() const;
/**
* @brief Scroll the current layout to a particular item.
*
+ * @SINCE_1_0.0
+ * @param[in] itemId The ID of an item in the layout.
+ * @param[in] durationSeconds How long the scrolling takes in seconds.
* @pre durationSeconds must be zero or greater; zero means the layout should scroll to the particular item instantly.
* If calling this with zero second of duration immediately after calling ActivateLayout, it might not work unless
* the duration of relayout animation for ActivateLayout is also set to be zero.
- * @param[in] itemId The ID of an item in the layout.
- * @param[in] durationSeconds How long the scrolling takes in seconds.
*/
void ScrollToItem(ItemId itemId, float durationSeconds);
/**
- * @brief Set the interval between refreshes. When the layout-position of items is changed by this interval,
+ * @brief Set the interval between refreshes.
+ *
+ * When the layout-position of items is changed by this interval,
* new items are requested from ItemFactory.
*
+ * @SINCE_1_0.0
* @param[in] intervalLayoutPositions The refresh interval in layout position.
*/
void SetRefreshInterval(float intervalLayoutPositions);
/**
* @brief Get the interval between refreshes in layout position.
*
+ * @SINCE_1_0.0
* @return The refresh interval
*/
float GetRefreshInterval() const;
/**
* @brief Do a refresh of the item view.
+ * @SINCE_1_0.0
*/
void Refresh();
/**
* @brief Given the Item ID, this returns the accompanying actor.
*
+ * @SINCE_1_0.0
* @param[in] itemId The Item ID of the actor required.
* @return The Actor corresponding to the Item ID.
*/
/**
* @brief Returns the Item ID of the specified actor.
*
+ * @SINCE_1_0.0
* @param[in] actor The actor whose Item ID is required.
* @return The Item ID of the item.
* @pre The actor should be an item of ItemView.
* ID 2 - ActorB ID 2 - ActorZ !
* ID 3 - ActorC ID 3 - ActorB
* ID 4 - ActorC
- * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
+ * @SINCE_1_0.0
* @param[in] newItem The item to insert.
* @param[in] durationSeconds How long the relayout takes in seconds.
+ * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
*/
void InsertItem(Item newItem, float durationSeconds);
/**
* @brief Insert a set of items; this is more efficient than calling InsertItem() repeatedly.
*
- * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
+ * @SINCE_1_0.0
* @param[in] newItems The items to insert.
* @param[in] durationSeconds How long the relayout takes in seconds.
+ * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
*/
void InsertItems(const ItemContainer& newItems, float durationSeconds);
*
* A relayout will occur for the remaining actors; for example if RemoveItem(Item(2, ActorZ), 0) is called,
* the items with ID 3 or greater will be moved:
- * Initial actors: After remove:
- * ID 1 - ActorA ID 1 - ActorA
- * ID 2 - ActorB ID 2 - ActorC (previously ID 3)
- * ID 3 - ActorC ID 3 - ActorB (previously ID 4)
- * ID 4 - ActorD
- * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
+ * | Initial actors: | After remove: |
+ * |:------------------ |:-------------- |
+ * | ID 1 - ActorA | ID 1 - ActorA |
+ * | ID 2 - ActorB | ID 2 - ActorC (previously ID 3) |
+ * | ID 3 - ActorC | ID 3 - ActorB (previously ID 4) |
+ * | ID 4 - ActorD | |
+ * @SINCE_1_0.0
* @param[in] itemId The Item ID of the item to remove.
* @param[in] durationSeconds How long the relayout takes in seconds.
+ * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
*/
void RemoveItem(ItemId itemId, float durationSeconds);
/**
* @brief Remove a set of items; this is more efficient than calling RemoveItem() repeatedly.
*
- * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
+ * @SINCE_1_0.0
* @param[in] itemIds The IDs of the items to remove.
* @param[in] durationSeconds How long the relayout takes in seconds.
+ * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
*/
void RemoveItems(const ItemIdContainer& itemIds, float durationSeconds);
* @brief Replace an item.
*
* A relayout will occur for the replacement item only.
- * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
+ * @SINCE_1_0.0
* @param[in] replacementItem The replacement for an existing item.
* @param[in] durationSeconds How long the relayout takes in seconds.
+ * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
*/
void ReplaceItem(Item replacementItem, float durationSeconds);
* @brief Replace a set of items.
*
* A relayout will occur for the replacement items only.
- * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
+ * @SINCE_1_0.0
* @param[in] replacementItems The replacements for a set of existing items.
* @param[in] durationSeconds How long the relayout takes in seconds.
+ * @pre durationSeconds must be zero or greater; zero means the relayout occurs instantly.
*/
void ReplaceItems(const ItemContainer& replacementItems, float durationSeconds);
/**
- * @brief Set the parent origin of the items
+ * @brief Set the parent origin of the items.
*
* A relayout will occur for all the items if the parent origin is different than the current one.
+ * @SINCE_1_0.0
* @param[in] parentOrigin New parent origin position vector
*/
void SetItemsParentOrigin( const Vector3& parentOrigin );
/**
- * @brief Get the parent origin of the items
+ * @brief Get the parent origin of the items.
*
+ * @SINCE_1_0.0
* @return The current parent origin of the items
*/
Vector3 GetItemsParentOrigin() const;
/**
- * @brief Set the anchor point of the items
+ * @brief Set the anchor point of the items.
*
* A relayout will occur for all the items if the anchor point is different than the current one.
+ * @SINCE_1_0.0
* @param[in] anchorPoint New anchor point position vector
*/
void SetItemsAnchorPoint( const Vector3& anchorPoint );
/**
- * @brief Get the anchor point of the items
+ * @brief Get the anchor point of the items.
*
+ * @SINCE_1_0.0
* @return The current anchor point of the items
*/
Vector3 GetItemsAnchorPoint() const;
/**
* @brief Get the range of items that are currently in ItemView.
*
+ * @SINCE_1_0.0
* @param[out] range The range of items.
*/
void GetItemsRange(ItemRange& range);
* @code
* void YourCallbackName();
* @endcode
- * @pre The Object has been initialized.
+ * @SINCE_1_0.0
* @return The signal to connect to.
+ * @pre The Object has been initialized.
*/
ItemView::LayoutActivatedSignalType& LayoutActivatedSignal();
public: // Not intended for application developers
+ /// @cond internal
/**
* @brief Creates a handle using the Toolkit::Internal implementation.
*
+ * @SINCE_1_0.0
* @param[in] implementation The Control implementation.
*/
DALI_INTERNAL ItemView(Internal::ItemView& implementation);
/**
* @brief Allows the creation of this Control from an Internal::CustomActor pointer.
*
+ * @SINCE_1_0.0
* @param[in] internal A pointer to the internal CustomActor.
*/
explicit DALI_INTERNAL ItemView( Dali::Internal::CustomActor* internal );
+ /// @endcond
};
/**