mirror of
https://gitee.com/akwkevin/aistudio.-wpf.-diagram
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58 lines
2.2 KiB
C#
58 lines
2.2 KiB
C#
//The MIT License(MIT)
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//Copyright(c) 2016 Alberto Rodriguez & LiveCharts Contributors
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//Permission is hereby granted, free of charge, to any person obtaining a copy
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//of this software and associated documentation files (the "Software"), to deal
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//in the Software without restriction, including without limitation the rights
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//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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//copies of the Software, and to permit persons to whom the Software is
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//furnished to do so, subject to the following conditions:
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//The above copyright notice and this permission notice shall be included in all
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//copies or substantial portions of the Software.
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//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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//SOFTWARE.
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using System.Collections.Generic;
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using LiveCharts.Charts;
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using LiveCharts.Definitions.Charts;
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using LiveCharts.Helpers;
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namespace LiveCharts
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{
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/// <summary>
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/// Defines a collection of items to be added in a cartesian chart
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/// </summary>
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public class VisualElementsCollection : NoisyCollection<ICartesianVisualElement>
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{
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/// <summary>
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/// Initializes a new instance of VisualElementsCollection
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/// </summary>
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public VisualElementsCollection()
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{
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NoisyCollectionChanged += OnNoisyCollectionChanged;
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}
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/// <summary>
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/// Gets or sets the chart.
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/// </summary>
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/// <value>
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/// The chart.
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/// </value>
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public ChartCore Chart { get; set; }
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private void OnNoisyCollectionChanged(IEnumerable<ICartesianVisualElement> oldItems, IEnumerable<ICartesianVisualElement> newItems)
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{
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if (oldItems != null) foreach (var oltItem in oldItems) oltItem.Remove(Chart);
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if (newItems != null) foreach (var newItem in newItems) newItem.AddOrMove(Chart);
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}
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}
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}
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