mirror of
https://gitee.com/akwkevin/aistudio.-wpf.-diagram
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259 lines
9.7 KiB
C#
259 lines
9.7 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;
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using System.Globalization;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Media.Animation;
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using System.Windows.Shapes;
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using LiveCharts.Charts;
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using LiveCharts.Definitions.Charts;
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using LiveCharts.Dtos;
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using LiveCharts.Wpf.Charts.Base;
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namespace LiveCharts.Wpf.Components
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{
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/// <summary>
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///
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/// </summary>
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/// <seealso cref="LiveCharts.Definitions.Charts.ISeparatorElementView" />
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public class AxisSeparatorElement : ISeparatorElementView
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{
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private readonly SeparatorElementCore _model;
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/// <summary>
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/// Initializes a new instance of the <see cref="AxisSeparatorElement"/> class.
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/// </summary>
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/// <param name="model">The model.</param>
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public AxisSeparatorElement(SeparatorElementCore model)
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{
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_model = model;
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}
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internal TextBlock TextBlock { get; set; }
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internal Line Line { get; set; }
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/// <summary>
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/// Gets the label model.
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/// </summary>
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/// <value>
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/// The label model.
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/// </value>
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public LabelEvaluation LabelModel { get; private set; }
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/// <summary>
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/// Gets the model.
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/// </summary>
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/// <value>
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/// The model.
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/// </value>
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public SeparatorElementCore Model
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{
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get { return _model; }
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}
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/// <summary>
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/// Updates the label.
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/// </summary>
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/// <param name="text">The text.</param>
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/// <param name="axis">The axis.</param>
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/// <param name="source">The source.</param>
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/// <returns></returns>
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public LabelEvaluation UpdateLabel(string text, AxisCore axis, AxisOrientation source)
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{
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TextBlock.Text = text;
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var formattedText = new FormattedText(
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TextBlock.Text,
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CultureInfo.CurrentUICulture,
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FlowDirection.LeftToRight,
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new Typeface(TextBlock.FontFamily, TextBlock.FontStyle, TextBlock.FontWeight, TextBlock.FontStretch),
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TextBlock.FontSize, Brushes.Black);
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var transform = new LabelEvaluation(axis.View.LabelsRotation,
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formattedText.Width, formattedText.Height, axis, source);
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TextBlock.RenderTransform = Math.Abs(transform.LabelAngle) > 1
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? new RotateTransform(transform.LabelAngle)
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: null;
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LabelModel = transform;
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return transform;
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}
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/// <summary>
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/// Clears the specified chart.
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/// </summary>
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/// <param name="chart">The chart.</param>
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public void Clear(IChartView chart)
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{
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chart.RemoveFromView(TextBlock);
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chart.RemoveFromView(Line);
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TextBlock = null;
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Line = null;
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}
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/// <summary>
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/// Places the specified chart.
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/// </summary>
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/// <param name="chart">The chart.</param>
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/// <param name="axis">The axis.</param>
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/// <param name="direction">The direction.</param>
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/// <param name="axisIndex">Index of the axis.</param>
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/// <param name="toLabel">To label.</param>
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/// <param name="toLine">To line.</param>
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/// <param name="tab">The tab.</param>
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public void Place(ChartCore chart, AxisCore axis, AxisOrientation direction, int axisIndex,
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double toLabel, double toLine, double tab)
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{
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if (direction == AxisOrientation.Y)
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{
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Line.X1 = chart.DrawMargin.Left;
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Line.X2 = chart.DrawMargin.Left + chart.DrawMargin.Width;
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Line.Y1 = toLine;
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Line.Y2 = toLine;
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Canvas.SetLeft(TextBlock, tab);
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Canvas.SetTop(TextBlock, toLabel);
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}
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else
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{
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Line.X1 = toLine;
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Line.X2 = toLine;
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Line.Y1 = chart.DrawMargin.Top;
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Line.Y2 = chart.DrawMargin.Top + chart.DrawMargin.Height;
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Canvas.SetLeft(TextBlock, toLabel);
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Canvas.SetTop(TextBlock, tab);
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}
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}
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/// <summary>
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/// Removes the specified chart.
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/// </summary>
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/// <param name="chart">The chart.</param>
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public void Remove(ChartCore chart)
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{
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chart.View.RemoveFromView(TextBlock);
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chart.View.RemoveFromView(Line);
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TextBlock = null;
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Line = null;
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}
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/// <summary>
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/// Moves the specified chart.
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/// </summary>
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/// <param name="chart">The chart.</param>
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/// <param name="axis">The axis.</param>
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/// <param name="direction">The direction.</param>
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/// <param name="axisIndex">Index of the axis.</param>
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/// <param name="toLabel">To label.</param>
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/// <param name="toLine">To line.</param>
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/// <param name="tab">The tab.</param>
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public void Move(ChartCore chart, AxisCore axis, AxisOrientation direction, int axisIndex, double toLabel, double toLine, double tab)
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{
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if (direction == AxisOrientation.Y)
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{
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Line.BeginAnimation(Line.X1Property,
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new DoubleAnimation(chart.DrawMargin.Left, chart.View.AnimationsSpeed));
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Line.BeginAnimation(Line.X2Property,
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new DoubleAnimation(chart.DrawMargin.Left + chart.DrawMargin.Width, chart.View.AnimationsSpeed));
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Line.BeginAnimation(Line.Y1Property,
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new DoubleAnimation(toLine, chart.View.AnimationsSpeed));
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Line.BeginAnimation(Line.Y2Property,
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new DoubleAnimation(toLine, chart.View.AnimationsSpeed));
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TextBlock.BeginAnimation(Canvas.TopProperty,
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new DoubleAnimation(toLabel, chart.View.AnimationsSpeed));
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TextBlock.BeginAnimation(Canvas.LeftProperty,
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new DoubleAnimation(tab, chart.View.AnimationsSpeed));
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}
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else
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{
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Line.BeginAnimation(Line.X1Property,
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new DoubleAnimation(toLine, chart.View.AnimationsSpeed));
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Line.BeginAnimation(Line.X2Property,
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new DoubleAnimation(toLine, chart.View.AnimationsSpeed));
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Line.BeginAnimation(Line.Y1Property,
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new DoubleAnimation(chart.DrawMargin.Top, chart.View.AnimationsSpeed));
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Line.BeginAnimation(Line.Y2Property,
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new DoubleAnimation(chart.DrawMargin.Top + chart.DrawMargin.Height, chart.View.AnimationsSpeed));
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TextBlock.BeginAnimation(Canvas.LeftProperty,
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new DoubleAnimation(toLabel, chart.View.AnimationsSpeed));
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TextBlock.BeginAnimation(Canvas.TopProperty,
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new DoubleAnimation(tab, chart.View.AnimationsSpeed));
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}
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}
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/// <summary>
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/// Fades the in.
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/// </summary>
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/// <param name="axis">The axis.</param>
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/// <param name="chart">The chart.</param>
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public void FadeIn(AxisCore axis, ChartCore chart)
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{
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if (TextBlock.Visibility != Visibility.Collapsed)
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TextBlock.BeginAnimation(UIElement.OpacityProperty,
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new DoubleAnimation(0, 1, chart.View.AnimationsSpeed));
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if (Line.Visibility != Visibility.Collapsed)
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Line.BeginAnimation(UIElement.OpacityProperty,
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new DoubleAnimation(0, 1, chart.View.AnimationsSpeed));
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}
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/// <summary>
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/// Fades the out and remove.
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/// </summary>
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/// <param name="chart">The chart.</param>
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public void FadeOutAndRemove(ChartCore chart)
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{
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if (TextBlock.Visibility == Visibility.Collapsed &&
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Line.Visibility == Visibility.Collapsed) return;
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var anim = new DoubleAnimation
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{
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From = 1,
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To = 0,
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Duration = chart.View.AnimationsSpeed
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};
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var dispatcher = ((Chart) chart.View).Dispatcher;
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anim.Completed += (sender, args) =>
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{
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dispatcher.Invoke(new Action(() =>
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{
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chart.View.RemoveFromView(TextBlock);
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chart.View.RemoveFromView(Line);
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}));
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};
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TextBlock.BeginAnimation(UIElement.OpacityProperty, anim);
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Line.BeginAnimation(UIElement.OpacityProperty,
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new DoubleAnimation(1, 0, chart.View.AnimationsSpeed));
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}
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}
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}
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