Files
aistudio-wpf-diagram/Live-Charts-master/UwpView/Components/AxisSeparatorElement.cs
2021-07-23 09:42:22 +08:00

244 lines
9.5 KiB
C#

//The MIT License(MIT)
//Copyright(c) 2016 Alberto Rodriguez & LiveCharts Contributors
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:
//The above copyright notice and this permission notice shall be included in all
//copies or substantial portions of the Software.
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//SOFTWARE.
using System;
using Windows.Foundation;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Media.Animation;
using Windows.UI.Xaml.Shapes;
using LiveCharts.Charts;
using LiveCharts.Definitions.Charts;
using LiveCharts.Dtos;
using LiveCharts.Uwp.Charts.Base;
namespace LiveCharts.Uwp.Components
{
/// <summary>
///
/// </summary>
/// <seealso cref="LiveCharts.Definitions.Charts.ISeparatorElementView" />
public class AxisSeparatorElement : ISeparatorElementView
{
/// <summary>
/// Initializes a new instance of the <see cref="AxisSeparatorElement"/> class.
/// </summary>
/// <param name="model">The model.</param>
public AxisSeparatorElement(SeparatorElementCore model)
{
Model = model;
}
internal TextBlock TextBlock { get; set; }
internal Line Line { get; set; }
/// <summary>
/// Gets the label model.
/// </summary>
/// <value>
/// The label model.
/// </value>
public LabelEvaluation LabelModel { get; private set; }
/// <summary>
/// Gets the model.
/// </summary>
/// <value>
/// The model.
/// </value>
public SeparatorElementCore Model { get; }
/// <summary>
/// Updates the label.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="axis">The axis.</param>
/// <param name="source">The source.</param>
/// <returns></returns>
public LabelEvaluation UpdateLabel(string text, AxisCore axis, AxisOrientation source)
{
TextBlock.Text = text;
TextBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
var transform = new LabelEvaluation(axis.View.LabelsRotation,
TextBlock.DesiredSize.Width, TextBlock.DesiredSize.Height, axis, source);
TextBlock.RenderTransform = Math.Abs(transform.LabelAngle) > 1
? new RotateTransform { Angle = transform.LabelAngle }
: null;
LabelModel = transform;
return transform;
}
/// <summary>
/// Clears the specified chart.
/// </summary>
/// <param name="chart">The chart.</param>
public void Clear(IChartView chart)
{
chart.RemoveFromView(TextBlock);
chart.RemoveFromView(Line);
TextBlock = null;
Line = null;
}
/// <summary>
/// Places the specified chart.
/// </summary>
/// <param name="chart">The chart.</param>
/// <param name="axis">The axis.</param>
/// <param name="direction">The direction.</param>
/// <param name="axisIndex">Index of the axis.</param>
/// <param name="toLabel">To label.</param>
/// <param name="toLine">To line.</param>
/// <param name="tab">The tab.</param>
public void Place(ChartCore chart, AxisCore axis, AxisOrientation direction, int axisIndex,
double toLabel, double toLine, double tab)
{
if (direction == AxisOrientation.Y)
{
Line.X1 = chart.DrawMargin.Left;
Line.X2 = chart.DrawMargin.Left + chart.DrawMargin.Width;
Line.Y1 = toLine;
Line.Y2 = toLine;
Canvas.SetLeft(TextBlock, tab);
Canvas.SetTop(TextBlock, toLabel);
}
else
{
Line.X1 = toLine;
Line.X2 = toLine;
Line.Y1 = chart.DrawMargin.Top;
Line.Y2 = chart.DrawMargin.Top + chart.DrawMargin.Height;
Canvas.SetLeft(TextBlock, toLabel);
Canvas.SetTop(TextBlock, tab);
}
}
/// <summary>
/// Removes the specified chart.
/// </summary>
/// <param name="chart">The chart.</param>
public void Remove(ChartCore chart)
{
chart.View.RemoveFromView(TextBlock);
chart.View.RemoveFromView(Line);
TextBlock = null;
Line = null;
}
/// <summary>
/// Moves the specified chart.
/// </summary>
/// <param name="chart">The chart.</param>
/// <param name="axis">The axis.</param>
/// <param name="direction">The direction.</param>
/// <param name="axisIndex">Index of the axis.</param>
/// <param name="toLabel">To label.</param>
/// <param name="toLine">To line.</param>
/// <param name="tab">The tab.</param>
public void Move(ChartCore chart, AxisCore axis, AxisOrientation direction, int axisIndex, double toLabel, double toLine, double tab)
{
if (direction == AxisOrientation.Y)
{
var x1 = AnimationsHelper.CreateDouble(chart.DrawMargin.Left, chart.View.AnimationsSpeed, nameof(Line.X1));
var x2 = AnimationsHelper.CreateDouble(chart.DrawMargin.Left + chart.DrawMargin.Width, chart.View.AnimationsSpeed, nameof(Line.X2));
var y1 = AnimationsHelper.CreateDouble(toLine, chart.View.AnimationsSpeed, nameof(Line.Y1));
var y2 = AnimationsHelper.CreateDouble(toLine, chart.View.AnimationsSpeed, nameof(Line.Y2));
AnimationsHelper.CreateStoryBoardAndBegin(Line, x1, x2, y1, y2);
var tb1 = AnimationsHelper.CreateDouble(toLabel, chart.View.AnimationsSpeed, "(Canvas.Top)");
var tb2 = AnimationsHelper.CreateDouble(tab, chart.View.AnimationsSpeed, "(Canvas.Left)");
AnimationsHelper.CreateStoryBoardAndBegin(TextBlock, tb1, tb2);
}
else
{
var x1 = AnimationsHelper.CreateDouble(toLine, chart.View.AnimationsSpeed, nameof(Line.X1));
var x2 = AnimationsHelper.CreateDouble(toLine, chart.View.AnimationsSpeed, nameof(Line.X2));
var y1 = AnimationsHelper.CreateDouble(chart.DrawMargin.Top, chart.View.AnimationsSpeed, nameof(Line.Y1));
var y2 = AnimationsHelper.CreateDouble(chart.DrawMargin.Top + chart.DrawMargin.Height, chart.View.AnimationsSpeed, nameof(Line.Y2));
AnimationsHelper.CreateStoryBoardAndBegin(Line, x1, x2, y1, y2);
var tb1 = AnimationsHelper.CreateDouble(toLabel, chart.View.AnimationsSpeed, "(Canvas.Left)");
var tb2 = AnimationsHelper.CreateDouble(tab, chart.View.AnimationsSpeed, "(Canvas.Top)");
AnimationsHelper.CreateStoryBoardAndBegin(TextBlock, tb1, tb2);
}
}
/// <summary>
/// Fades the in.
/// </summary>
/// <param name="axis">The axis.</param>
/// <param name="chart">The chart.</param>
public void FadeIn(AxisCore axis, ChartCore chart)
{
if (TextBlock.Visibility != Visibility.Collapsed)
TextBlock.BeginDoubleAnimation("Opacity", 0, 1, chart.View.AnimationsSpeed);
if (Line.Visibility != Visibility.Collapsed)
Line.BeginDoubleAnimation("Opacity", 0, 1, chart.View.AnimationsSpeed);
}
/// <summary>
/// Fades the out and remove.
/// </summary>
/// <param name="chart">The chart.</param>
public void FadeOutAndRemove(ChartCore chart)
{
if (TextBlock.Visibility == Visibility.Collapsed &&
Line.Visibility == Visibility.Collapsed) return;
var anim = new DoubleAnimation
{
From = 1,
To = 0,
Duration = chart.View.AnimationsSpeed
};
var dispatcher = ((Chart) chart.View).Dispatcher;
anim.Completed += (sender, args) =>
{
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
chart.View.RemoveFromView(TextBlock);
chart.View.RemoveFromView(Line);
});
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
};
TextBlock.BeginAnimation(anim, "Opacity");
Line.BeginDoubleAnimation("Opacity", 1, 0, chart.View.AnimationsSpeed);
}
}
}