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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;
namespace ElmSharp
{
/// <summary>
/// Enumeration of datetime field types for DateTimeSelector.
/// </summary>
public enum DateTimeFieldType
{
Year,
Month,
Date,
Hour,
Minute,
AmPm
}
/// <summary>
/// It inherits <see cref="Layout"/>
/// DateTimeSelector is a widget to display and input date & time values.
/// This widget displays date and time as per the system's locale settings
/// (Date includes Day, Month & Year along with the defined separators and Time includes Hour, Minute & AM/PM fields. Separator for AM/PM field is ignored.
/// </summary>
public class DateTimeSelector : Layout
{
SmartEvent _changed;
DateTime _cacheDateTime;
/// <summary>
/// Creates and initializes a new instance of the DateTimeSelector class.
/// </summary>
/// <param name="parent">The parent is a given container which will be attached by DateTimeSelector
///as a child.It's <see cref="EvasObject"/> type.</param>
public DateTimeSelector(EvasObject parent) : base(parent)
{
_changed = new SmartEvent(this, this.RealHandle, "changed");
_changed.On += (s, e) =>
{
DateTime newDateTime = DateTime;
DateTimeChanged?.Invoke(this, new DateChangedEventArgs(_cacheDateTime, newDateTime));
DateTime = newDateTime;
};
}
/// <summary>
/// ItemSelected is raised when Datetime field value changed.
/// </summary>
public event EventHandler<DateChangedEventArgs> DateTimeChanged;
/// <summary>
/// Gets or sets the datetime format.
/// </summary>
/// <remarks>
/// format is a combination of allowed LIBC date format specifiers like: "%b %d, %Y %I : %M %p".
/// </remarks>
public string Format
{
get
{
return Interop.Elementary.elm_datetime_format_get(RealHandle);
}
set
{
Interop.Elementary.elm_datetime_format_set(RealHandle, value);
}
}
/// <summary>
/// Gets or sets the upper boundary of DateTime field.
/// </summary>
public DateTime MaximumDateTime
{
get
{
var tm = new Interop.Libc.SystemTime();
Interop.Elementary.elm_datetime_value_max_get(RealHandle, ref tm);
return tm;
}
set
{
Interop.Libc.SystemTime tm = value;
Interop.Elementary.elm_datetime_value_max_set(RealHandle, ref tm);
}
}
/// <summary>
/// Gets or sets the lower boundary of DateTime field.
/// </summary>
public DateTime MinimumDateTime
{
get
{
var tm = new Interop.Libc.SystemTime();
Interop.Elementary.elm_datetime_value_min_get(RealHandle, ref tm);
return tm;
}
set
{
Interop.Libc.SystemTime tm = value;
Interop.Elementary.elm_datetime_value_min_set(RealHandle, ref tm);
}
}
/// <summary>
/// Gets or sets the current value of DateTime field.
/// </summary>
public DateTime DateTime
{
get
{
var tm = new Interop.Libc.SystemTime();
Interop.Elementary.elm_datetime_value_get(RealHandle, ref tm);
return tm;
}
set
{
Interop.Libc.SystemTime tm = value;
Interop.Elementary.elm_datetime_value_set(RealHandle, ref tm);
_cacheDateTime = value;
}
}
/// <summary>
/// Gets whether a field can be visible.
/// </summary>
/// <param name="type">Enumeration <see cref="DateTimeFieldType"/></param>
/// <returns>
/// The field is visible or not.
/// Type is bool.If visible, return true.
/// </returns>
public bool IsFieldVisible(DateTimeFieldType type)
{
return Interop.Elementary.elm_datetime_field_visible_get(RealHandle, (int)type);
}
/// <summary>
/// Sets the field limits of a field.
/// </summary>
/// <param name="type">Enumeration <see cref="DateTimeFieldType"/></param>
/// <param name="minimum">minimum limit</param>
/// <param name="maximum">maximum limit</param>
public void SetFieldLimit(DateTimeFieldType type, int minimum, int maximum)
{
Interop.Elementary.elm_datetime_field_limit_set(RealHandle, (int)type, minimum, maximum);
}
/// <summary>
/// Gets whether a field can be visible.
/// </summary>
/// <param name="type">Enumeration <see cref="DateTimeFieldType"/></param>
/// <param name="visible">When set as true, the field type visible.</param>
public void SetFieldVisible(DateTimeFieldType type, bool visible)
{
Interop.Elementary.elm_datetime_field_visible_set(RealHandle, (int)type, visible);
}
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_datetime_add(handle);
Interop.Elementary.elm_object_part_content_set(handle, "elm.swallow.content", RealHandle);
return handle;
}
}
}
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