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/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
using System.Collections.Generic;
namespace ElmSharp
{
public enum ListMode
{
Compress = 0,
Scroll,
Limit,
Expand
}
public class ListItemEventArgs : EventArgs
{
public ListItem Item { get; set; }
internal static ListItemEventArgs CreateFromSmartEvent(IntPtr data, IntPtr obj, IntPtr info)
{
ListItem item = ItemObject.GetItemByHandle(info) as ListItem;
return new ListItemEventArgs() { Item = item };
}
}
public class List : Layout
{
HashSet<ListItem> _children = new HashSet<ListItem>();
SmartEvent<ListItemEventArgs> _selected;
SmartEvent<ListItemEventArgs> _unselected;
SmartEvent<ListItemEventArgs> _doubleClicked;
SmartEvent<ListItemEventArgs> _longpressed;
SmartEvent<ListItemEventArgs> _activated;
public List(EvasObject parent) : base(parent)
{
_selected = new SmartEvent<ListItemEventArgs>(this, this.RealHandle, "selected", ListItemEventArgs.CreateFromSmartEvent);
_unselected = new SmartEvent<ListItemEventArgs>(this, this.RealHandle, "unselected", ListItemEventArgs.CreateFromSmartEvent);
_doubleClicked = new SmartEvent<ListItemEventArgs>(this, this.RealHandle, "clicked,double", ListItemEventArgs.CreateFromSmartEvent);
_longpressed = new SmartEvent<ListItemEventArgs>(this, this.RealHandle, "longpressed", ListItemEventArgs.CreateFromSmartEvent);
_activated = new SmartEvent<ListItemEventArgs>(this, this.RealHandle, "activated", ListItemEventArgs.CreateFromSmartEvent);
_selected.On += (s, e) => { ItemSelected?.Invoke(this, e); };
_unselected.On += (s, e) => { ItemUnselected?.Invoke(this, e); };
_doubleClicked.On += (s, e) => { ItemDoubleClicked?.Invoke(this, e); };
_longpressed.On += (s, e) => { ItemLongPressed?.Invoke(this, e); };
_activated.On += (s, e) => { ItemActivated?.Invoke(this, e); };
}
public ListMode Mode
{
get
{
return (ListMode)Interop.Elementary.elm_list_mode_get(RealHandle);
}
set
{
Interop.Elementary.elm_list_mode_set(RealHandle, (Interop.Elementary.Elm_List_Mode)value);
}
}
public ListItem SelectedItem
{
get
{
IntPtr item = Interop.Elementary.elm_list_selected_item_get(RealHandle);
return ItemObject.GetItemByHandle(item) as ListItem;
}
}
public event EventHandler<ListItemEventArgs> ItemSelected;
public event EventHandler<ListItemEventArgs> ItemUnselected;
public event EventHandler<ListItemEventArgs> ItemDoubleClicked;
public event EventHandler<ListItemEventArgs> ItemLongPressed;
public event EventHandler<ListItemEventArgs> ItemActivated;
public void Update()
{
Interop.Elementary.elm_list_go(RealHandle);
}
public ListItem Append(string label)
{
return Append(label, null, null);
}
public ListItem Append(string label, EvasObject leftIcon, EvasObject rightIcon)
{
ListItem item = new ListItem(label, leftIcon, rightIcon);
item.Handle = Interop.Elementary.elm_list_item_append(RealHandle, label, leftIcon, rightIcon, null, (IntPtr)item.Id);
AddInternal(item);
return item;
}
public ListItem Prepend(string label)
{
return Prepend(label, null, null);
}
public ListItem Prepend(string label, EvasObject leftIcon, EvasObject rigthIcon)
{
ListItem item = new ListItem(label, leftIcon, rigthIcon);
item.Handle = Interop.Elementary.elm_list_item_prepend(RealHandle, label, leftIcon, rigthIcon, null, (IntPtr)item.Id);
AddInternal(item);
return item;
}
public void Clear()
{
Interop.Elementary.elm_list_clear(RealHandle);
foreach (var item in _children)
{
item.Deleted -= Item_Deleted;
}
_children.Clear();
}
protected override IntPtr CreateHandle(EvasObject parent)
{
IntPtr handle = Interop.Elementary.elm_layout_add(parent.Handle);
Interop.Elementary.elm_layout_theme_set(handle, "layout", "elm_widget", "default");
RealHandle = Interop.Elementary.elm_list_add(handle);
Interop.Elementary.elm_object_part_content_set(handle, "elm.swallow.content", RealHandle);
return handle;
}
void AddInternal(ListItem item)
{
_children.Add(item);
item.Deleted += Item_Deleted;
}
void Item_Deleted(object sender, EventArgs e)
{
_children.Remove((ListItem)sender);
}
}
}
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