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DesignElement.cs
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DesignElement.cs
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/*
* Copyright (c) 2018 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;
using System.Linq;
namespace Tizen.Applications.WatchfaceComplication
{
/// <summary>
/// Represents the design element for a watch application.
/// </summary>
/// <since_tizen> 6 </since_tizen>
public abstract class DesignElement : IEditable
{
private IEnumerable<Bundle> _candidates;
private int _currentDataIndex;
private Highlight _highlight;
private string _editableName;
private int _editableId;
/// <summary>
/// Initializes a new instance of the DesignElement class.
/// </summary>
/// <param name="candidates">The candidates list.</param>
/// <param name="currentDataIndex">The index of selected data among candidate list.</param>
/// <param name="editableName">The design element name.</param>
/// <exception cref="ArgumentException">Thrown when e is invalid.</exception>
/// <exception cref="InvalidOperationException">Thrown when the method failed due to invalid operation.</exception>
/// <exception cref="NotSupportedException">Thrown when the watchface complication is not supported.</exception>
/// <example>
/// <code>
/// public class ColorDesign : DesignElement
/// {
/// private Button _layout;
/// private static string _colorKey = "TEST_COLOR";
/// public ColorDesign(IEnumerable candidates, int curDataIdx, string editableName, Button layout)
/// : base(candidates, curDataIdx, editableName)
/// {
/// _layout = layout;
/// }
/// protected override void OnDesignUpdated(int selectedIdx, State state)
/// {
/// int idx = 0;
/// string color = "";
/// foreach (Bundle candidate in this.Candidates)
/// {
/// if (idx++ != selectedIdx)
/// continue;
/// color = candidate.GetItem(_colorKey);
/// break;
/// }
/// Log.Warn(_logTag, "Color : " + color);
/// if (color.Equals("YELLOW"))
/// {
/// _layout.BackgroundColor = Color.Yellow;
/// }
/// }
/// }
///
/// List<Bundle> candidatesList = new List<Bundle>();
/// data = new Bundle();
/// data.AddItem(_colorKey, "RED");
/// candidatesList.Add(data);
/// data.AddItem(_colorKey, "BLUE");
/// candidatesList.Add(data);
/// ColorDesign colorEdit = new ColorDesign(candidatesList, curIdx, "COLOR", _complicationBtn);
/// </code>
/// </example>
/// <since_tizen> 6 </since_tizen>
protected DesignElement(IEnumerable<Bundle> candidates, int currentDataIndex, string editableName)
{
if (candidates == null || currentDataIndex < 0)
ErrorFactory.ThrowException(ComplicationError.InvalidParam);
List<Bundle> candidatesList = candidates.ToList();
if (candidatesList.Count < currentDataIndex)
ErrorFactory.ThrowException(ComplicationError.InvalidParam);
_candidates = candidates;
_currentDataIndex = currentDataIndex;
_editableName = editableName;
}
/// <summary>
/// The information of Editable ID.
/// </summary>
/// <since_tizen> 6 </since_tizen>
int IEditable.EditableId
{
get
{
return _editableId;
}
set
{
_editableId = value;
}
}
/// <summary>
/// The information of Editable candidates.
/// </summary>
/// <since_tizen> 6 </since_tizen>
public IEnumerable<Bundle> Candidates
{
get
{
return _candidates;
}
}
/// <summary>
/// The information of Editable name.
/// </summary>
/// <since_tizen> 6 </since_tizen>
string IEditable.Name
{
get
{
return _editableName;
}
set
{
_editableName = value;
}
}
/// <summary>
/// The information of editable's highlight.
/// </summary>
/// <since_tizen> 6 </since_tizen>
Highlight IEditable.Highlight
{
get
{
return _highlight;
}
set
{
_highlight = value;
}
}
/// <summary>
/// The information of design element's highlight.
/// </summary>
/// <since_tizen> 6 </since_tizen>
public Highlight Highlight
{
get
{
return _highlight;
}
set
{
_highlight = value;
}
}
/// <summary>
/// Gets the editable's currently selected data index of candidate list.
/// </summary>
/// <returns>The index of selected data among candidate list.</returns>
/// <since_tizen> 6 </since_tizen>
int IEditable.GetCurrentDataIndex()
{
return _currentDataIndex;
}
internal void SetCurrentDataIndex(int idx)
{
_currentDataIndex = idx;
}
/// <summary>
/// Gets the editable's currently selected data.
/// </summary>
/// <returns>The currently selected data.</returns>
/// <since_tizen> 6 </since_tizen>
Bundle IEditable.GetCurrentData()
{
int idx = 0;
foreach (Bundle data in _candidates)
{
if (idx == _currentDataIndex)
return data;
idx++;
}
return null;
}
internal void NotifyUpdate(int candidateIdx, State state)
{
OnDesignUpdated(candidateIdx, state);
}
/// <summary>
/// Overrides this method to handle the behavior when the design element is updated.
/// </summary>
/// <param name="selectedIdx">The selected candidate index.</param>
/// <param name="state">The update state.</param>
/// <since_tizen> 6 </since_tizen>
protected abstract void OnDesignUpdated(int selectedIdx, State state);
}
}