2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 using System.Collections.Generic;
23 /// Enumeration for setting genlist item type.
25 public enum GenListItemType
28 /// if Normal is set then this item is normal item.
33 /// If tree is set then this item is displayed as an item that is able to expand and have child items.
38 /// if Group is set then this item is group index item that is displayed at the top until the next group comes.
44 /// Enumeration for setting genlist's resizing behavior, transverse axis scrolling and items cropping.
46 public enum GenListMode
49 /// The genlist won't set any of its size hints to inform how a possible container should resize it.
50 /// Then, if it's not created as a "resize object", it might end with zeroed dimensions.
51 /// The genlist will respect the container's geometry and, if any of its items won't fit into its transverse axis, one won't be able to scroll it in that direction.
56 /// This is the same as Compress, with the exception that if any of its items won't fit into its transverse axis, one will be able to scroll it in that direction.
61 /// Sets a minimum size hint on the genlist object, so that containers may respect it (and resize itself to fit the child properly).
62 /// More specifically, a minimum size hint will be set for its transverse axis, so that the largest item in that direction fits well.
63 /// This is naturally bound by the genlist object's maximum size hints, set externally.
68 /// Besides setting a minimum size on the transverse axis, just like on Limit, the genlist will set a minimum size on th longitudinal axis, trying to reserve space to all its children to be visible at a time.
69 /// This is naturally bound by the genlist object's maximum size hints, set externally.
75 /// It inherits System.EventArgs.
76 /// It contains Item which is <see cref="GenListItem"/> type.
77 /// All events of GenList contain GenListItemEventArgs as a parameter.
79 public class GenListItemEventArgs : EventArgs
82 /// Gets or sets GenList item. The return type is <see cref="GenListItem"/>.
84 public GenListItem Item { get; set; }
86 internal static GenListItemEventArgs CreateFromSmartEvent(IntPtr data, IntPtr obj, IntPtr info)
88 GenListItem item = ItemObject.GetItemByHandle(info) as GenListItem;
89 return new GenListItemEventArgs() { Item = item };
94 /// Enumeration that defines where to position the item in the genlist.
96 public enum ScrollToPosition
99 /// Scrolls to nowhere.
104 /// Scrolls to the nearest viewport.
109 /// Scrolls to the top of the viewport.
114 /// Scrolls to the middle of the viewport.
119 /// Scrolls to the bottom of the viewport.
125 /// It inherits <see cref="Layout"/>.
126 /// The GenList is a widget that aims to have more expansive list than the simple <see cref="List"/> in ElmSharp that could have more flexible items and allow many more entries while still being fast and low on memory usage.
127 /// At the same time it was also made to be able to do tree structures.
128 /// But the price to pay is more complexity when it comes to usage.
129 /// If all you want is a simple list with icons and a single text, use the <see cref="List"/> widget.
131 public class GenList : Layout
133 HashSet<GenListItem> _children = new HashSet<GenListItem>();
135 SmartEvent<GenListItemEventArgs> _selected;
136 SmartEvent<GenListItemEventArgs> _unselected;
137 SmartEvent<GenListItemEventArgs> _activated;
138 SmartEvent<GenListItemEventArgs> _pressed;
139 SmartEvent<GenListItemEventArgs> _released;
140 SmartEvent<GenListItemEventArgs> _doubleClicked;
141 SmartEvent<GenListItemEventArgs> _expanded;
142 SmartEvent<GenListItemEventArgs> _realized;
143 SmartEvent<GenListItemEventArgs> _unrealized;
144 SmartEvent<GenListItemEventArgs> _longpressed;
145 SmartEvent<GenListItemEventArgs> _moved;
146 SmartEvent<GenListItemEventArgs> _movedAfter;
147 SmartEvent<GenListItemEventArgs> _movedBefore;
148 SmartEvent _scrollAnimationStarted;
149 SmartEvent _scrollAnimationStopped;
153 /// Creates and initializes a new instance of the GenList class.
155 /// <param name="parent">The parent is a given container which will be attached by GenList as a child. It's <see cref="EvasObject"/> type.</param>
156 public GenList(EvasObject parent) : base(parent)
158 ListMode = GenListMode.Compress;
159 InitializeSmartEvent();
163 /// Gets or sets whether the homogeneous mode is enabled.
166 /// If true, the genlist items have same height and width.
168 public bool Homogeneous
172 return Interop.Elementary.elm_genlist_homogeneous_get(RealHandle);
176 Interop.Elementary.elm_genlist_homogeneous_set(RealHandle, value);
181 /// Gets or sets the horizontal stretching mode. This mode used for sizing items horizontally.
182 /// The default value is <see cref="GenListMode.Scroll"/> which means that if items are too wide to fit, the scroller scrolls horizontally.
183 /// If set <see cref="GenListMode.Compress"/> which means that the item width is fixed (restricted to a minimum of) to the list width when calculating its size in order to allow the height to be calculated based on it.
184 /// If set <see cref="GenListMode.Limit"/> which means that items are expanded to the viewport width and limited to that size.
185 /// if set <see cref="GenListMode.Expand"/> which means that genlist try to reserve space to all its items to be visible at a time.
188 /// Compress makes genlist resize slower as it recalculates every item height again whenever the list width changes.
189 /// The homogeneous mode is so that all items in the genlist are of the same width/height. With Compress, genlist items are initialized fast.
190 /// However, there are no sub-objects in the genlist which can be on the flying resizable (such as TEXTBLOCK).
191 /// If so, then some dynamic resizable objects in the genlist would not be diplayed properly.
193 public GenListMode ListMode
197 return (GenListMode)Interop.Elementary.elm_genlist_mode_get(RealHandle);
201 Interop.Elementary.elm_genlist_mode_set(RealHandle, (int)value);
206 /// Gets the first item in the genlist.
208 public GenListItem FirstItem
212 IntPtr handle = Interop.Elementary.elm_genlist_first_item_get(RealHandle);
213 return ItemObject.GetItemByHandle(handle) as GenListItem;
218 /// Gets the last item in the genlist.
220 public GenListItem LastItem
224 IntPtr handle = Interop.Elementary.elm_genlist_last_item_get(RealHandle);
225 return ItemObject.GetItemByHandle(handle) as GenListItem;
230 /// Gets or sets the reorder mode.
231 /// After turning on the reorder mode, longpress on a normal item triggers reordering of the item.
232 /// You can move the item up and down. However, reordering does not work with group items.
234 public bool ReorderMode
238 return Interop.Elementary.elm_genlist_reorder_mode_get(RealHandle);
242 Interop.Elementary.elm_genlist_reorder_mode_set(RealHandle, value);
247 /// Gets or set the maximum number of items within an item block.
249 public int BlockCount
253 return Interop.Elementary.elm_genlist_block_count_get(RealHandle);
257 Interop.Elementary.elm_genlist_block_count_set(RealHandle, value);
262 /// Gets or sets whether the genlist items should be highlighted when an item is selected.
264 public bool IsHighlight
268 return Interop.Elementary.elm_genlist_highlight_mode_get(RealHandle);
272 Interop.Elementary.elm_genlist_highlight_mode_set(RealHandle, value);
277 /// Gets the depth of expanded item.
279 public int ExpandedItemDepth
283 return Interop.Elementary.elm_genlist_item_expanded_depth_get(RealHandle);
288 /// Gets or sets the timeout in seconds for the longpress event.
290 public double LongPressTimeout
294 return Interop.Elementary.elm_genlist_longpress_timeout_get(RealHandle);
298 Interop.Elementary.elm_genlist_longpress_timeout_set(RealHandle, value);
303 /// Gets or sets whether enable multi-selection in the genlist.
305 public bool IsMultiSelection
309 return Interop.Elementary.elm_genlist_multi_select_get(RealHandle);
313 Interop.Elementary.elm_genlist_multi_select_set(RealHandle, value);
318 /// Gets the selected item in a given genlist widget.
320 public GenListItem SelectedItem
324 IntPtr handle = Interop.Elementary.elm_genlist_selected_item_get(RealHandle);
325 return ItemObject.GetItemByHandle(handle) as GenListItem;
330 /// Gets or sets the genlist select mode by <see cref="GenItemSelectionMode"/>.
332 public GenItemSelectionMode SelectionMode
336 return (GenItemSelectionMode)Interop.Elementary.elm_genlist_select_mode_get(RealHandle);
340 Interop.Elementary.elm_genlist_select_mode_set(RealHandle, (int)value);
345 /// ItemSelected is raised when a new genlist item is selected.
347 public event EventHandler<GenListItemEventArgs> ItemSelected;
350 /// ItemUnselected is raised when the genlist item is Unselected.
352 public event EventHandler<GenListItemEventArgs> ItemUnselected;
355 /// ItemPressed is raised when a new genlist item is pressed.
357 public event EventHandler<GenListItemEventArgs> ItemPressed;
360 /// ItemReleased is raised when a new genlist item is released.
362 public event EventHandler<GenListItemEventArgs> ItemReleased;
365 /// ItemActivated is raised when a new genlist item is double clicked or pressed (enter|return|spacebar).
367 public event EventHandler<GenListItemEventArgs> ItemActivated;
370 /// ItemDoubleClicked is raised when a new genlist item is double clicked.
372 public event EventHandler<GenListItemEventArgs> ItemDoubleClicked;
375 /// ItemExpanded is raised when a new genlist item is indicated to expand.
377 public event EventHandler<GenListItemEventArgs> ItemExpanded;
380 /// ItemRealized is raised when a new genlist item is created as a real object.
382 public event EventHandler<GenListItemEventArgs> ItemRealized;
385 /// ItemUnrealized is raised when a new genlist item is unrealized.
386 /// After calling unrealize, the item's content objects are deleted and the item object itself is deleted or is put into a floating cache.
388 public event EventHandler<GenListItemEventArgs> ItemUnrealized;
391 /// ItemLongPressed is raised when a genlist item is pressed for a certain amount of time. By default it's 1 second.
393 public event EventHandler<GenListItemEventArgs> ItemLongPressed;
396 /// ItemMoved is raised when a genlist item is moved in the reorder mode.
398 public event EventHandler<GenListItemEventArgs> ItemMoved;
401 /// ItemMovedAfter is raised when a genlist item is moved after another item in the reorder mode.
402 /// To get the relative previous item, use <see cref="GenListItem.Previous"/>.
404 public event EventHandler<GenListItemEventArgs> ItemMovedAfter;
407 /// ItemMovedBefore is raised when a genlist item is moved before another item in the reorder mode.
408 /// To get the relative next item, use <see cref="GenListItem.Next"/>.
410 public event EventHandler<GenListItemEventArgs> ItemMovedBefore;
413 /// Changed is raised when genlist is changed.
415 public event EventHandler Changed
417 add { _changed.On += value; }
418 remove { _changed.On -= value; }
422 /// ScrollAnimationStarted is raised when scrolling animation has started.
424 public event EventHandler ScrollAnimationStarted
426 add { _scrollAnimationStarted.On += value; }
427 remove { _scrollAnimationStarted.On -= value; }
431 /// ScrollAnimationStopped is raised when scrolling animation has stopped.
433 public event EventHandler ScrollAnimationStopped
435 add { _scrollAnimationStopped.On += value; }
436 remove { _scrollAnimationStopped.On -= value; }
440 /// Appends a new item to the end of a given genlist widget.
442 /// <param name="itemClass">The itemClass defines how to display the data.</param>
443 /// <param name="data">The item data.</param>
444 /// <returns>Return a new added genlist item that contains data and itemClass.</returns>
445 /// <seealso cref="GenItemClass"/>
446 /// <seealso cref="GenListItem"/>
447 public GenListItem Append(GenItemClass itemClass, object data)
449 return Append(itemClass, data, GenListItemType.Normal);
453 /// Appends a new item with <see cref="GenListItemType"/> to the end of a given genlist widget.
455 /// <param name="itemClass">The itemClass defines how to display the data.</param>
456 /// <param name="data">The item data.</param>
457 /// <param name="type">The genlist item type.</param>
458 /// <returns>Return a new added genlist item that contains data and itemClass.</returns>
459 public GenListItem Append(GenItemClass itemClass, object data, GenListItemType type)
461 return Append(itemClass, data, type, null);
465 /// Appends a new item with <see cref="GenListItemType"/> to the end of a given genlist widget or the end of the children list if the parent is given.
467 /// <param name="itemClass">The itemClass defines how to display the data.</param>
468 /// <param name="data">The item data.</param>
469 /// <param name="type">The genlist item type.</param>
470 /// <param name="parent">The parent item, otherwise null if there is no parent item.</param>
471 /// <returns>Return a new added genlist item that contains data and itemClass.</returns>
472 public GenListItem Append(GenItemClass itemClass, object data, GenListItemType type, GenListItem parent)
474 GenListItem item = new GenListItem(data, itemClass);
475 IntPtr handle = Interop.Elementary.elm_genlist_item_append(RealHandle, itemClass.UnmanagedPtr, (IntPtr)item.Id, parent, (int)type, null, (IntPtr)item.Id);
476 item.Handle = handle;
482 /// Prepends a new item to the beginning of a given genlist widget.
484 /// <param name="itemClass">The itemClass defines how to display the data.</param>
485 /// <param name="data">The item data.</param>
486 /// <returns>Return a new added genlist item that contains data and itemClass.</returns>
487 public GenListItem Prepend(GenItemClass itemClass, object data)
489 return Prepend(itemClass, data, GenListItemType.Normal);
493 /// Prepends a new item with <see cref="GenListItemType"/> to the beginning of a given genlist widget.
495 /// <param name="itemClass">The itemClass defines how to display the data.</param>
496 /// <param name="data">The item data.</param>
497 /// <param name="type">The genlist item type.</param>
498 /// <param name="parent">The parent item, otherwise null if there is no parent item.</param>
499 /// <returns>Return a new added genlist item that contains data and itemClass.</returns>
500 public GenListItem Prepend(GenItemClass itemClass, object data, GenListItemType type)
502 return Prepend(itemClass, data, type, null);
506 /// Prepends a new item with <see cref="GenListItemType"/> to the beginning of a given genlist widget or the beginning of the children list if the parent is given.
508 /// <param name="itemClass">The itemClass defines how to display the data.</param>
509 /// <param name="data">The item data.</param>
510 /// <param name="type">The genlist item type.</param>
511 /// <param name="parent">The parent item, otherwise null if there is no parent item.</param>
512 /// <returns>Return a new added genlist item that contains data and itemClass.</returns>
513 public GenListItem Prepend(GenItemClass itemClass, object data, GenListItemType type, GenListItem parent)
515 GenListItem item = new GenListItem(data, itemClass);
516 IntPtr handle = Interop.Elementary.elm_genlist_item_prepend(RealHandle, itemClass.UnmanagedPtr, (IntPtr)item.Id, parent, (int)type, null, (IntPtr)item.Id);
517 item.Handle = handle;
523 /// Inserts an item before another item in a genlist widget.
524 /// It is the same tree level or group as the item before which it is inserted.????
526 /// <param name="itemClass">The itemClass defines how to display the data.</param>
527 /// <param name="data">The item data.</param>
528 /// <param name="before">The item before which to place this new one.</param>
529 /// <returns>Return a new added genlist item that contains data and itemClass.</returns>
530 public GenListItem InsertBefore(GenItemClass itemClass, object data, GenListItem before)
532 return InsertBefore(itemClass, data, before, GenListItemType.Normal);
536 /// Inserts an item with <see cref="GenListItemType"/> before another item in a genlist widget.
537 /// It is the same tree level or group as the item before which it is inserted.????
539 /// <param name="itemClass">The itemClass defines how to display the data.</param>
540 /// <param name="data">The item data.</param>
541 /// <param name="before">The item before which to place this new one.</param>
542 /// <param name="type">The genlist item type.</param>
543 /// <returns>Return a new added genlist item that contains data and itemClass.</returns>
544 public GenListItem InsertBefore(GenItemClass itemClass, object data, GenListItem before, GenListItemType type)
546 return InsertBefore(itemClass, data, before, type, null);
550 /// Inserts an item with <see cref="GenListItemType"/> before another item under a parent in a genlist widget.
552 /// <param name="itemClass">The itemClass defines how to display the data.</param>
553 /// <param name="data">The item data.</param>
554 /// <param name="before">The item before which to place this new one.</param>
555 /// <param name="type">The genlist item type.</param>
556 /// <param name="parent">The parent item, otherwise null if there is no parent item.</param>
557 /// <returns>Return a new added genlist item that contains data and itemClass.</returns>
558 public GenListItem InsertBefore(GenItemClass itemClass, object data, GenListItem before, GenListItemType type, GenListItem parent)
560 GenListItem item = new GenListItem(data, itemClass);
561 // insert before the `before` list item
562 IntPtr handle = Interop.Elementary.elm_genlist_item_insert_before(
563 RealHandle, // genlist handle
564 itemClass.UnmanagedPtr, // item class
565 (IntPtr)item.Id, // data
568 (int)type, // item type
569 null, // select callback
570 (IntPtr)item.Id); // callback data
571 item.Handle = handle;
577 /// Inserts an item with <see cref="GenListItemType"/> after another item under a parent in a genlist widget.
579 /// <param name="itemClass">The itemClass defines how to display the data.</param>
580 /// <param name="data">The item data.</param>
581 /// <param name="before">The item after which to place this new one.</param>
582 /// <param name="type">The genlist item type.</param>
583 /// <param name="parent">The parent item, otherwise null if there is no parent item.</param>
584 /// <returns>Return a new added genlist item that contains data and itemClass.</returns>
585 public GenListItem InsertAfter(GenItemClass itemClass, object data, GenListItem after, GenListItemType type, GenListItem parent)
587 GenListItem item = new GenListItem(data, itemClass);
588 // insert before the `before` list item
589 IntPtr handle = Interop.Elementary.elm_genlist_item_insert_before(
590 RealHandle, // genlist handle
591 itemClass.UnmanagedPtr, // item class
592 (IntPtr)item.Id, // data
595 (int)type, // item type
596 null, // select callback
597 (IntPtr)item.Id); // callback data
598 item.Handle = handle;
604 /// Insert an item in a genlist widget using a user-defined sort function.
606 /// <param name="itemClass">The itemClass defines how to display the data.</param>
607 /// <param name="data">The item data.</param>
608 /// <param name="func">User defined comparison function that defines the sort order based on genlist item and its data.</param>
609 /// <param name="type">The genlist item type.</param>
610 /// <param name="parent">The parent item, otherwise null if there is no parent item.</param>
611 /// <returns>Return a genlist item that contains data and itemClass.</returns>
612 public GenListItem InsertSorted(GenItemClass itemClass, object data, Comparison<object> comparison, GenListItemType type, GenListItem parent)
614 GenListItem item = new GenListItem(data, itemClass);
616 Interop.Elementary.Eina_Compare_Cb compareCallback = (handle1, handle2) =>
618 GenListItem first = (ItemObject.GetItemByHandle(handle1) as GenListItem) ?? item;
619 GenListItem second = (ItemObject.GetItemByHandle(handle2) as GenListItem) ?? item;
620 return comparison(first.Data, second.Data);
623 IntPtr handle = Interop.Elementary.elm_genlist_item_sorted_insert(
624 RealHandle, // genlist handle
625 itemClass.UnmanagedPtr, // item clas
626 (IntPtr)item.Id, // data
628 (int)type, // item type
629 compareCallback, // compare callback
630 null, //select callback
631 (IntPtr)item.Id); // callback data
632 item.Handle = handle;
638 /// Shows the given item with position type in a genlist.
639 /// When animated is true, genlist will jump to the given item and display it (by animatedly scrolling), if it is not fully visible. This may use animation and may take some time.
640 /// When animated is false, genlist will jump to the given item and display it (by jumping to that position), if it is not fully visible.
642 /// <param name="item">The item to display.</param>
643 /// <param name="position">The position to show the given item to <see cref="ScrollToPosition"/>.</param>
644 /// <param name="animated">The animated indicates how to display the item, by scrolling or by jumping.</param>
645 public void ScrollTo(GenListItem item, ScrollToPosition position, bool animated)
649 Interop.Elementary.elm_genlist_item_bring_in(item.Handle, (Interop.Elementary.Elm_Genlist_Item_Scrollto_Type)position);
653 Interop.Elementary.elm_genlist_item_show(item.Handle, (Interop.Elementary.Elm_Genlist_Item_Scrollto_Type)position);
658 /// Updates the content of all the realized items.
659 /// This updates all the realized items by calling all the <see cref="GenItemClass"/> again to get the content, text and states.
660 /// Use this when the original item data has changed and the changes are desired to reflect.
661 /// To update just one item, use <see cref="GenListItem.Update"/>.
663 /// <seealso cref="GenListItem.Update"/>
664 public void UpdateRealizedItems()
666 Interop.Elementary.elm_genlist_realized_items_update(RealHandle);
670 /// Removes all items from a given genlist widget.
671 /// This removes (and deletes) all items in obj, making it empty.
672 /// To delete just one item, use <see cref="ItemObject.Delete"/>.
674 /// <seealso cref="ItemObject.Delete"/>
677 Interop.Elementary.elm_genlist_clear(RealHandle);
681 /// Get the item that is at the x, y canvas coords.
683 /// <param name="x">The input x coordinate</param>
684 /// <param name="y">The input y coordinate</param>
685 /// <param name="pos">The position relative to the item returned here
686 /// -1, 0, or 1, depending on whether the coordinate is on the upper portion of that item (-1), in the middle section (0), or on the lower part (1).
688 /// <returns></returns>
689 public GenListItem GetItemByPosition(int x, int y, out int pos)
691 IntPtr handle = Interop.Elementary.elm_genlist_at_xy_item_get(RealHandle, x, y, out pos);
692 return ItemObject.GetItemByHandle(handle) as GenListItem;
696 /// Gets the nth item in a given genlist widget, placed at position nth, in its internal items list.
698 /// <param name="index">The number of the item to grab (0 being the first)</param>
699 /// <returns></returns>
700 public GenListItem GetItemByIndex(int index)
702 IntPtr handle = Interop.Elementary.elm_genlist_nth_item_get(RealHandle, index);
703 return ItemObject.GetItemByHandle(handle) as GenListItem;
706 protected override IntPtr CreateHandle(EvasObject parent)
708 IntPtr handle = Interop.Elementary.elm_layout_add(parent.Handle);
709 Interop.Elementary.elm_layout_theme_set(handle, "layout", "elm_widget", "default");
711 RealHandle = Interop.Elementary.elm_genlist_add(handle);
712 Interop.Elementary.elm_object_part_content_set(handle, "elm.swallow.content", RealHandle);
717 void InitializeSmartEvent()
719 _selected = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "selected", GenListItemEventArgs.CreateFromSmartEvent);
720 _unselected = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "unselected", GenListItemEventArgs.CreateFromSmartEvent);
721 _activated = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "activated", GenListItemEventArgs.CreateFromSmartEvent);
722 _pressed = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "pressed", GenListItemEventArgs.CreateFromSmartEvent);
723 _released = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "released", GenListItemEventArgs.CreateFromSmartEvent);
724 _doubleClicked = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "clicked,double", GenListItemEventArgs.CreateFromSmartEvent);
725 _expanded = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "expanded", GenListItemEventArgs.CreateFromSmartEvent);
726 _realized = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "realized", GenListItemEventArgs.CreateFromSmartEvent);
727 _unrealized = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "unrealized", GenListItemEventArgs.CreateFromSmartEvent);
728 _longpressed = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "longpressed", GenListItemEventArgs.CreateFromSmartEvent);
729 _moved = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "moved", GenListItemEventArgs.CreateFromSmartEvent);
730 _movedAfter = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "moved,after", GenListItemEventArgs.CreateFromSmartEvent);
731 _movedBefore = new SmartEvent<GenListItemEventArgs>(this, this.RealHandle, "moved,before", GenListItemEventArgs.CreateFromSmartEvent);
732 _scrollAnimationStarted = new SmartEvent(this, this.RealHandle, "scroll,anim,start");
733 _scrollAnimationStopped = new SmartEvent(this, this.RealHandle, "scroll,anim,stop");
734 _changed = new SmartEvent(this, this.RealHandle, "changed");
736 _selected.On += (s, e) => { if (e.Item != null) ItemSelected?.Invoke(this, e); };
737 _unselected.On += (s, e) => { if (e.Item != null) ItemUnselected?.Invoke(this, e); };
738 _activated.On += (s, e) => { if (e.Item != null) ItemActivated?.Invoke(this, e); };
739 _pressed.On += (s, e) => { if (e.Item != null) ItemPressed?.Invoke(this, e); };
740 _released.On += (s, e) => { if (e.Item != null) ItemReleased?.Invoke(this, e); };
741 _doubleClicked.On += (s, e) => { if (e.Item != null) ItemDoubleClicked?.Invoke(this, e); };
742 _expanded.On += (s, e) => { if (e.Item != null) ItemExpanded?.Invoke(this, e); };
743 _realized.On += (s, e) => { if (e.Item != null) ItemRealized?.Invoke(this, e); };
744 _unrealized.On += (s, e) => { if (e.Item != null) ItemUnrealized?.Invoke(this, e); };
745 _longpressed.On += (s, e) => { if (e.Item != null) ItemLongPressed?.Invoke(this, e); };
746 _moved.On += (s, e) => { if (e.Item != null) ItemMoved?.Invoke(this, e); };
747 _movedAfter.On += (s, e) => { if (e.Item != null) ItemMovedAfter?.Invoke(this, e); };
748 _movedBefore.On += (s, e) => { if (e.Item != null) ItemMovedBefore?.Invoke(this, e); };
751 void AddInternal(GenListItem item)
754 item.Deleted += Item_Deleted;
757 void Item_Deleted(object sender, EventArgs e)
759 _children.Remove((GenListItem)sender);