/*
* 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;
namespace ElmSharp
{
///
/// The Check is a widget that allows for toggling a value between true and false.
///
/// preview
public class Check : Layout
{
private SmartEvent _changed;
private bool _currentState;
///
/// Creates and initializes a new instance of the Check class.
///
///
/// The EvasObject to which the new check will be attached as a child.
///
/// preview
public Check(EvasObject parent) : base(parent)
{
_changed = new SmartEvent(this, this.RealHandle, "changed");
_changed.On += (sender, e) =>
{
StateChanged?.Invoke(this, new CheckStateChangedEventArgs(_currentState, IsChecked));
};
}
///
/// StateChanged will be triggered when the IsChecked in the check is changed.
///
/// preview
public event EventHandler StateChanged;
///
/// Sets or gets whether the given check is checked or not.
///
///
/// When an object is checked, the value will be set to true. Conversely, will be set to false.
///
/// preview
public bool IsChecked
{
get
{
_currentState = Interop.Elementary.elm_check_state_get(RealHandle);
return _currentState;
}
set
{
Interop.Elementary.elm_check_state_set(RealHandle, value);
}
}
///
/// Creates a widget handle.
///
/// Parent EvasObject.
/// Handle IntPtr.
/// preview
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_check_add(handle);
Interop.Elementary.elm_object_part_content_set(handle, "elm.swallow.content", RealHandle);
return handle;
}
}
}