Beispiel #1
0
        private AxisXHeightInfo CalculateAxisXHeight(ChartCollection <AxisAbs> axisCollection)
        {
            double topAxisTotalHeight = ChartConstant.ZERO_D, bottomAxisTotalHeight = ChartConstant.ZERO_D;

            if (axisCollection != null && axisCollection.Count > ChartConstant.ZERO_I)
            {
                double axisHeight;
                foreach (var axis in axisCollection)
                {
                    axis.Validate();//验证坐标轴有效性

                    if (axis.AxisType != AxisType.X)
                    {
                        continue;
                    }

                    axisHeight = axis.GetXAxisHeight();
                    if (axis.IsAxisXBottom())
                    {
                        bottomAxisTotalHeight += axisHeight;
                    }
                    else
                    {
                        topAxisTotalHeight += axisHeight;
                    }
                }
            }

            return(new AxisXHeightInfo(topAxisTotalHeight, bottomAxisTotalHeight));
        }
Beispiel #2
0
 /// <summary>
 /// 子类重写此函数时,必须设置Y轴宽度
 /// </summary>
 /// <param name="axisCanvas">画布</param>
 /// <param name="seriesCollection">Series集合</param>
 /// <returns>Label的Y列表</returns>
 protected override List <double> PrimitiveDrawY(Canvas axisCanvas, ChartCollection <ISeries> seriesCollection)
 {
     this._labelTextSize = this.MeasureLabelTextSize();
     axisCanvas.Width    = base.CalculateAxisSize(this._labelTextSize.Width);
     this._axisData      = this.CreateAxisData(seriesCollection);
     return(this.DrawY(axisCanvas));
 }
Beispiel #3
0
        private NumberAxisValueArea GetMinAndMaxValue(ChartCollection <ISeries> seriesCollection)
        {
            double min = double.NaN, max = double.NaN;

            if (seriesCollection == null || seriesCollection.Count == ChartConstant.ZERO_I)
            {
                return(new NumberAxisValueArea(min, max));
            }

            double tmpMin, tmpMax;

            foreach (var series in seriesCollection)
            {
                if (series.AxisX != this && series.AxisY != this)
                {
                    continue;
                }

                this.PrimitiveGetMinAndMaxValue(this, series.Values, out tmpMin, out tmpMax);
                if (double.IsNaN(min) || tmpMin - min < base._PRE)
                {
                    min = tmpMin;
                }

                if (double.IsNaN(max) || tmpMax - max > base._PRE)
                {
                    max = tmpMax;
                }
            }

            return(new NumberAxisValueArea(min, max));
        }
Beispiel #4
0
        private void SeriesChanged(ChartCollection <ISeries> oldChartSeries, ChartCollection <ISeries> newChartSeries)
        {
            if (oldChartSeries != null)
            {
                oldChartSeries.ChartCollectionChanged -= Series_ChartCollectionChanged;
                foreach (var series in oldChartSeries)
                {
                    if (series == null)
                    {
                        continue;
                    }

                    series.PropertyChanged         -= Series_PropertyChanged;
                    series.ValuesCollectionChanged -= Series_ValuesCollectionChanged;
                }
            }

            if (newChartSeries != null)
            {
                newChartSeries.ChartCollectionChanged += Series_ChartCollectionChanged;
                foreach (var series in newChartSeries)
                {
                    if (series == null)
                    {
                        continue;
                    }

                    series.PropertyChanged         += Series_PropertyChanged;
                    series.ValuesCollectionChanged += Series_ValuesCollectionChanged;
                }
            }
        }
Beispiel #5
0
 /// <summary>
 /// 绘制Y轴
 /// </summary>
 /// <param name="seriesCollection">Series集合</param>
 /// <param name="axisHeight">Y轴高度</param>
 /// <returns>Label的Y列表</returns>
 internal List <double> DrawY(ChartCollection <ISeries> seriesCollection, double axisHeight)
 {
     this._axisCanvas.Children.Clear();
     this._axisSize          = axisHeight;
     this._axisCanvas.Height = axisHeight;
     this._axisCanvas.Margin = new Thickness(ChartConstant.ZERO_D);
     this.AddAxisYTitle();
     return(this.PrimitiveDrawY(this._axisCanvas, seriesCollection));
 }
Beispiel #6
0
        private AxisYWidthInfo DrawAxisYByAxisXHeightInfo(ChartCollection <AxisAbs> axisCollection, UIElementCollection children,
                                                          ChartCollection <ISeries> seriesCollection, double yAxisHeight, double top)
        {
            if (!ChartHelper.DoubleHasValue(yAxisHeight) || yAxisHeight <= ChartConstant.ZERO_D)
            {
                return(new AxisYWidthInfo(ChartConstant.ZERO_D, ChartConstant.ZERO_D, null));
            }

            double leftAxisTotalWidth = ChartConstant.ZERO_D, rightAxisTotalWidth = ChartConstant.ZERO_D;
            Dictionary <AxisAbs, List <double> > axisYLabelDic = null;

            if (axisCollection != null && axisCollection.Count > ChartConstant.ZERO_I)
            {
                FrameworkElement axisYControl;
                double           axisLeft = ChartConstant.ZERO_D, axisRight = ChartConstant.ZERO_D;
                List <double>    yList;
                foreach (var axis in axisCollection)
                {
                    if (axis.AxisType != AxisType.Y)
                    {
                        continue;
                    }

                    yList = axis.DrawY(seriesCollection, yAxisHeight);
                    if (axis.EnableBackgroundLabelLine && yList != null)
                    {
                        if (axisYLabelDic == null)
                        {
                            axisYLabelDic = new Dictionary <AxisAbs, List <double> >();
                        }
                        axisYLabelDic.Add(axis, yList);
                    }

                    axisYControl = axis.AxisControl;
                    axisYControl.VerticalAlignment = VerticalAlignment.Top;
                    children.Add(axisYControl);

                    if (axis.IsAxisYLeft())
                    {
                        axisYControl.HorizontalAlignment = HorizontalAlignment.Left;
                        axisYControl.Margin = new Thickness(axisLeft, top, ChartConstant.ZERO_D, ChartConstant.ZERO_D);
                        leftAxisTotalWidth += axis.Width;
                        axisLeft           += axis.Width;
                    }
                    else
                    {
                        axisYControl.HorizontalAlignment = HorizontalAlignment.Right;
                        axisYControl.Margin  = new Thickness(ChartConstant.ZERO_D, top, axisRight, ChartConstant.ZERO_D);
                        rightAxisTotalWidth += axis.Width;
                        axisRight           += axis.Width;
                    }
                }
            }

            return(new AxisYWidthInfo(leftAxisTotalWidth, rightAxisTotalWidth, axisYLabelDic));
        }
Beispiel #7
0
        private void FreezeAllLayout(ChartCollection <AxisAbs> axisCollection, IChartLegend legend, Canvas chartCanvas, Grid chartGrid, ScrollViewer scrollViewer, Grid chartContentGrid, LegendAddResult legendAddResult, AxisXHeightInfo axisXHeightInfo, AxisYWidthInfo axisYWidthInfo)
        {
            //添加scrollViewer
            scrollViewer.HorizontalScrollBarVisibility = ScrollBarVisibility.Auto;
            scrollViewer.VerticalScrollBarVisibility   = ScrollBarVisibility.Auto;
            scrollViewer.VerticalAlignment             = System.Windows.VerticalAlignment.Top;
            scrollViewer.HorizontalAlignment           = System.Windows.HorizontalAlignment.Left;
            scrollViewer.Content = chartContentGrid;
            chartGrid.Children.Add(scrollViewer);

            //布局legend
            var chartGridRowColumnDefinition = new ChartGridRowColumnDefinition(legendAddResult.HasLegend, legend, chartGrid);

            if (legendAddResult.HasLegend)
            {
                this.SetRowColumn(chartGrid, legend.LegendControl, chartGridRowColumnDefinition.Legend);
            }
            this.SetRowColumn(chartGrid, scrollViewer, chartGridRowColumnDefinition.Chart);


            //布局内部
            var chartGridRowColumnDefinition2 = new ChartGridRowColumnDefinition(false, null, chartContentGrid, axisYWidthInfo, axisXHeightInfo);

            if (axisCollection != null && axisCollection.Count > ChartConstant.ZERO_I)
            {
                RowColumnDefinitionItem rowColumnDefinition;
                foreach (var axis in axisCollection)
                {
                    switch (axis.DockOrientation)
                    {
                    case ChartDockOrientation.Left:
                        rowColumnDefinition = chartGridRowColumnDefinition2.LeftAxis;
                        break;

                    case ChartDockOrientation.Top:
                        rowColumnDefinition = chartGridRowColumnDefinition2.TopAxis;
                        break;

                    case ChartDockOrientation.Right:
                        rowColumnDefinition = chartGridRowColumnDefinition2.RightAxis;
                        break;

                    case ChartDockOrientation.Bottom:
                        rowColumnDefinition = chartGridRowColumnDefinition2.BottomAxis;
                        break;

                    default:
                        throw new NotImplementedException(axis.DockOrientation.ToString());
                    }

                    this.SetRowColumn(chartContentGrid, axis.AxisControl, rowColumnDefinition);
                }
            }

            this.SetRowColumn(chartContentGrid, chartCanvas, chartGridRowColumnDefinition2.Chart);
        }
Beispiel #8
0
        private Dictionary <AxisAbs, List <double> > DrawAxisX(ChartCollection <AxisAbs> axisCollection, ChartCollection <ISeries> seriesCollection,
                                                               Grid chartGrid, double xAxisWidth, double left)
        {
            if (!ChartHelper.DoubleHasValue(xAxisWidth) || xAxisWidth <= ChartConstant.ZERO_D)
            {
                return(null);
            }

            Dictionary <AxisAbs, List <double> > axisXLabelDic = null;
            bool hasAxis = axisCollection != null && axisCollection.Count > ChartConstant.ZERO_I;

            if (hasAxis)
            {
                FrameworkElement axisXControl;
                double           axisTop = ChartConstant.ZERO_D, axisBottom = ChartConstant.ZERO_D;
                List <double>    xList;

                foreach (var axis in axisCollection)
                {
                    if (axis.AxisType != AxisType.X)
                    {
                        continue;
                    }

                    xList = axis.DrawX(seriesCollection, xAxisWidth);
                    if (axis.EnableBackgroundLabelLine && xList != null)
                    {
                        if (axisXLabelDic == null)
                        {
                            axisXLabelDic = new Dictionary <AxisAbs, List <double> >();
                        }
                        axisXLabelDic.Add(axis, xList);
                    }

                    axisXControl = axis.AxisControl;
                    axisXControl.HorizontalAlignment = HorizontalAlignment.Left;
                    chartGrid.Children.Add(axisXControl);
                    if (axis.IsAxisXBottom())
                    {
                        axisXControl.VerticalAlignment = VerticalAlignment.Top;
                        axisXControl.Margin            = new Thickness(left, axisTop, ChartConstant.ZERO_D, ChartConstant.ZERO_D);
                        axisTop += axis.Height;
                    }
                    else
                    {
                        axisXControl.VerticalAlignment = VerticalAlignment.Bottom;
                        axisXControl.Margin            = new Thickness(left, ChartConstant.ZERO_D, ChartConstant.ZERO_D, axisBottom);
                        axisBottom += axis.Height;
                    }
                }
            }

            return(axisXLabelDic);
        }
Beispiel #9
0
        /// <summary>
        /// 绘制X轴
        /// </summary>
        /// <param name="axisCanvas">画布</param>
        /// <param name="seriesCollection">Series集合</param>
        /// <returns>Label的X列表</returns>
        protected override List <double> PrimitiveDrawX(Canvas axisCanvas, ChartCollection <ISeries> seriesCollection)
        {
            this.CreateAxisData(seriesCollection);
            if (this._axisData.Count == 0)
            {
                this._seriesSizeDic = null;
                return(null);
            }

            this._seriesSizeDic = this.GetSeriesSizeDic(seriesCollection);
            return(this.DrawX(axisCanvas));
        }
Beispiel #10
0
        private void UpdateAll()
        {
            if (this.IgnoreUpdateChart())
            {
                return;
            }

            AxisFreezeInfo            axisFreezeInfo = this.GetAxisFreezeInfo();
            ChartCollection <AxisAbs> axes           = this.Axes;
            ChartCollection <ISeries> series         = this.Series;
            IChartLegend legend           = this.Legend;
            Grid         chartGrid        = this._chartGrid;
            Canvas       chartCanvas      = this._chartCanvas;
            Grid         chartContentGrid = this._chartContentGrid;
            ScrollViewer scrollViewer     = this._scrollViewer;

            this.Content               = null;
            scrollViewer.Content       = null;
            this._scrollViewer.Content = null;
            chartGrid.Children.Clear();
            chartCanvas.Children.Clear();
            chartCanvas.MouseWheel          -= ChartCanvas_MouseWheel;
            chartCanvas.MouseLeftButtonDown -= ChartCanvas_MouseLeftButtonDown;
            chartCanvas.MouseMove           -= ChartCanvas_MouseMove;
            chartGrid.RowDefinitions.Clear();
            chartGrid.ColumnDefinitions.Clear();
            chartContentGrid.Children.Clear();
            chartContentGrid.RowDefinitions.Clear();
            chartContentGrid.ColumnDefinitions.Clear();

            switch (axisFreezeInfo.AxisFreezeType)
            {
            case AxisFreezeType.None:
                this.UpdateNoneFreeze(axisFreezeInfo, axes, series, legend, chartCanvas, chartGrid, scrollViewer);
                break;

            case AxisFreezeType.X:
                this.UpdateFreezeX(axisFreezeInfo, axes, series, legend, chartCanvas, chartGrid, scrollViewer, chartContentGrid);
                break;

            case AxisFreezeType.Y:
                this.UpdateFreezeY(axisFreezeInfo, axes, series, legend, chartCanvas, chartGrid, scrollViewer, chartContentGrid);
                break;

            case AxisFreezeType.All:
                this.UpdateFreezeAll(axisFreezeInfo, axes, series, legend, chartCanvas, chartGrid, scrollViewer, chartContentGrid);
                break;

            default:
                throw new NotImplementedException(axisFreezeInfo.AxisFreezeType.ToString());
            }
        }
Beispiel #11
0
        private void NoneFreezeLayout(ChartCollection <AxisAbs> axisCollection, IChartLegend legend, Canvas chartCanvas, Grid chartGrid, ScrollViewer scrollViewer, LegendAddResult legendAddResult, AxisXHeightInfo axisXHeightInfo, AxisYWidthInfo axisYWidthInfo)
        {
            var chartGridRowColumnDefinition = new ChartGridRowColumnDefinition(legendAddResult.HasLegend, legend, chartGrid, axisYWidthInfo, axisXHeightInfo);

            if (legendAddResult.HasLegend)
            {
                this.SetRowColumn(chartGrid, legend.LegendControl, chartGridRowColumnDefinition.Legend);
            }

            if (axisCollection != null && axisCollection.Count > ChartConstant.ZERO_I)
            {
                RowColumnDefinitionItem rowColumnDefinition;
                foreach (var axis in axisCollection)
                {
                    switch (axis.DockOrientation)
                    {
                    case ChartDockOrientation.Left:
                        rowColumnDefinition = chartGridRowColumnDefinition.LeftAxis;
                        break;

                    case ChartDockOrientation.Top:
                        rowColumnDefinition = chartGridRowColumnDefinition.TopAxis;
                        break;

                    case ChartDockOrientation.Right:
                        rowColumnDefinition = chartGridRowColumnDefinition.RightAxis;
                        break;

                    case ChartDockOrientation.Bottom:
                        rowColumnDefinition = chartGridRowColumnDefinition.BottomAxis;
                        break;

                    default:
                        throw new NotImplementedException(axis.DockOrientation.ToString());
                    }

                    this.SetRowColumn(chartGrid, axis.AxisControl, rowColumnDefinition);
                }
            }

            this.SetRowColumn(chartGrid, scrollViewer, chartGridRowColumnDefinition.Chart);


            chartCanvas.MouseWheel          += ChartCanvas_MouseWheel;
            chartCanvas.MouseLeftButtonDown += ChartCanvas_MouseLeftButtonDown;
            chartCanvas.MouseMove           += ChartCanvas_MouseMove;
        }
Beispiel #12
0
        private void AxesChanged(ChartCollection <AxisAbs> oldAxisCollection, ChartCollection <AxisAbs> newAxisCollection)
        {
            if (oldAxisCollection != null)
            {
                oldAxisCollection.ChartCollectionChanged -= AxisCollection_ChartCollectionChanged;
                foreach (var axis in oldAxisCollection)
                {
                    axis.PropertyChanged -= Axis_PropertyChanged;
                }
            }

            if (newAxisCollection != null)
            {
                newAxisCollection.ChartCollectionChanged += AxisCollection_ChartCollectionChanged;
                foreach (var axis in newAxisCollection)
                {
                    axis.PropertyChanged += Axis_PropertyChanged;
                }
            }
        }
Beispiel #13
0
        private Dictionary <IColumnSeries, double> GetSeriesSizeDic(ChartCollection <ISeries> seriesCollection)
        {
            Dictionary <IColumnSeries, double> seriesSizeDic = new Dictionary <IColumnSeries, double>();
            IColumnSeries columnSeries;
            Rectangle     templateColumn;
            double        seriesSize;

            foreach (var series in seriesCollection)
            {
                if (!(series is IColumnSeries) |
                    series.AxisX != this && series.AxisY != this)
                {
                    continue;
                }

                columnSeries = (IColumnSeries)series;
                if (seriesSizeDic.ContainsKey(columnSeries))
                {
                    continue;
                }

                columnSeries.Size = double.NaN;
                templateColumn    = ChartHelper.CreateColumn(columnSeries);
                seriesSize        = double.NaN;
                if (series.AxisX == this)
                {
                    seriesSize = templateColumn.Width;
                }
                else if (series.AxisY == this)
                {
                    seriesSize = templateColumn.Height;
                }

                seriesSizeDic.Add(columnSeries, seriesSize);
            }

            return(seriesSizeDic);
        }
Beispiel #14
0
        private DateTimeAxisData CreateAxisData(ChartCollection <ISeries> seriesCollection)
        {
            if (this._minValue == null || this._maxValue == null)
            {
                DateTimeMinAndMaxValue result = this.GetMinAndMaxValue(seriesCollection);
                if (this._minValue != null)
                {
                    result.MinTime = this._minValue.Value;
                }

                if (this._maxValue != null)
                {
                    result.MaxTime = this._maxValue.Value;
                }

                this.CompleteAxisAreaValue(result);
                return(this.CreateDateTimeAxisData(result.MinTime, result.MaxTime));
            }
            else
            {
                return(this.CreateDateTimeAxisData(this._minValue, this._maxValue));
            }
        }
Beispiel #15
0
        private NumberAxisData CreateAxisData(ChartCollection <ISeries> seriesCollection)
        {
            if (!ChartHelper.DoubleHasValue(this._minValue) || !ChartHelper.DoubleHasValue(this._maxValue))
            {
                NumberAxisValueArea result = this.GetMinAndMaxValue(seriesCollection);
                if (ChartHelper.DoubleHasValue(this._minValue))
                {
                    result.Min = this._minValue;
                }

                if (ChartHelper.DoubleHasValue(this._maxValue))
                {
                    result.Max = this._maxValue;
                }

                this.ZoomAxisValueArea(result);
                this.CompleteAxisAreaValue(result);
                return(this.CreateNumberAxisData(result.Min, result.Max));
            }
            else
            {
                return(this.CreateNumberAxisData(this._minValue, this._maxValue));
            }
        }
Beispiel #16
0
 /// <summary>
 /// 绘制X轴
 /// </summary>
 /// <param name="axisCanvas">画布</param>
 /// <param name="seriesCollection">Series集合</param>
 /// <returns>Label的X列表</returns>
 protected override List <double> PrimitiveDrawX(Canvas axisCanvas, ChartCollection <ISeries> seriesCollection)
 {
     this._axisData = this.CreateAxisData(seriesCollection);
     return(this.DrawX(axisCanvas));
 }
Beispiel #17
0
        /// <summary>
        /// 缩放
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>

        private void ChartCanvas_MouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
        {
            if (e.Delta == 0)
            {
                return;
            }

            ChartCollection <AxisAbs> axes = this.Axes;

            if (axes == null)
            {
                return;
            }

            //缩放坐标
            List <AxisAbs> zoomedAxisList = null;
            Canvas         chartCanvas = this._chartCanvas;
            double         zoomChangeSize, translate;

            if (e.Delta > 0)
            {
                //放大
                foreach (var axis in axes)
                {
                    if (!axis.AllowZoomTranslate)
                    {
                        continue;
                    }

                    if (axis.ZoomOut(chartCanvas, out zoomChangeSize))
                    {
                        if (zoomedAxisList == null)
                        {
                            zoomedAxisList = new List <AxisAbs>();
                        }

                        translate = (ChartConstant.ZERO_D - zoomChangeSize) / 2;
                        zoomedAxisList.Add(axis);
                        switch (axis.AxisType)
                        {
                        case AxisType.Y:
                            axis.TranslateY(translate);
                            break;

                        case AxisType.X:
                            axis.TranslateX(translate);
                            break;

                        default:
                            throw new NotImplementedException();
                        }
                    }
                }
            }
            else
            {
                //缩小
                foreach (var axis in axes)
                {
                    if (!axis.AllowZoomTranslate)
                    {
                        continue;
                    }

                    if (axis.ZoomIn(chartCanvas, out zoomChangeSize))
                    {
                        if (zoomedAxisList == null)
                        {
                            zoomedAxisList = new List <AxisAbs>();
                        }
                        translate = (ChartConstant.ZERO_D - zoomChangeSize) / 2;
                        zoomedAxisList.Add(axis);
                        switch (axis.AxisType)
                        {
                        case AxisType.Y:
                            axis.TranslateY(translate);
                            break;

                        case AxisType.X:
                            axis.TranslateX(translate);
                            break;

                        default:
                            throw new NotImplementedException();
                        }
                    }
                }
            }

            //更新series
            ChartCollection <ISeries> seriesCollection = this.Series;

            if (seriesCollection != null && zoomedAxisList != null)
            {
                foreach (var series in seriesCollection)
                {
                    if (zoomedAxisList.Contains(series.AxisX) || zoomedAxisList.Contains(series.AxisY))
                    {
                        series.Update();
                    }
                }
            }
        }
Beispiel #18
0
        private DateTimeMinAndMaxValue GetMinAndMaxValue(ChartCollection <ISeries> seriesCollection)
        {
            if (seriesCollection == null || seriesCollection.Count == 0)
            {
                return(new DateTimeMinAndMaxValue(null, null));
            }

            DateTime?       min = null, max = null;
            IChartAxisValue chartAxisValue;
            object          obj;
            DateTime?       time;

            foreach (var series in seriesCollection)
            {
                if (series.AxisX != this && series.AxisY != this ||
                    series.Values == null ||
                    series.Values.Count == 0)
                {
                    continue;
                }

                foreach (var value in series.Values)
                {
                    chartAxisValue = value as IChartAxisValue;
                    if (chartAxisValue == null)
                    {
                        continue;
                    }

                    switch (this.AxisType)
                    {
                    case AxisType.X:
                        obj = chartAxisValue.GetXValue();
                        break;

                    case AxisType.Y:
                        obj = chartAxisValue.GetYValue();
                        break;

                    default:
                        throw new NotImplementedException(this.AxisType.ToString());
                    }

                    time = ChartHelper.ConvertToDateTime(obj);
                    if (time == null)
                    {
                        continue;
                    }

                    if (min == null || time.Value < min.Value)
                    {
                        min = time.Value;
                    }

                    if (max == null || time.Value > max.Value)
                    {
                        max = time.Value;
                    }
                }
            }

            return(new DateTimeMinAndMaxValue(min, max));
        }
Beispiel #19
0
 /// <summary>
 /// 子类重写此函数时,必须设置Y轴宽度
 /// </summary>
 /// <param name="axisCanvas">画布</param>
 /// <param name="seriesCollection">Series集合</param>
 /// <returns>Label的Y列表</returns>
 protected abstract List <double> PrimitiveDrawY(Canvas axisCanvas, ChartCollection <ISeries> seriesCollection);
Beispiel #20
0
        private void UpdateNoneFreeze(AxisFreezeInfo axisFreezeInfo, ChartCollection <AxisAbs> axisCollection, ChartCollection <ISeries> seriesCollection,
                                      IChartLegend legend, Canvas chartCanvas, Grid chartGrid, ScrollViewer scrollViewer)
        {
            /************************************************************************************************************
            * 步骤:
            * 1.添加legend,并计算出发四周所占高度或宽度
            * 2.计算X轴总高度
            * 3.根据X轴总高度计算图表区域高度高度(等于Y轴高度)
            * 4.根据Y轴高度绘制Y轴,并计算Y轴宽度
            * 5.根据Y轴宽度计算X轴宽度并绘制X轴
            * 6.绘制坐标背景标记线
            * 7.布局UI
            * 8.绘各Series和填充legend
            ************************************************************************************************************/

            //chartGrid.ShowGridLines = true;
            //chartCanvas.Background = ColorBrushHelper.GetNextColor();
            this.Content = chartGrid;



            //第一步 添加legend,并计算出发四周所占高度或宽度
            LegendAddResult legendAddResult = this.AddLegend(legend, chartGrid);


            //第二步 计算X轴总高度
            AxisXHeightInfo axisXHeightInfo = this.CalculateAxisXHeight(axisCollection);


            //第三步 根据X轴总高度计算图表区域高度高度(等于Y轴高度)
            double yAxisHeight = axisFreezeInfo.Height - axisXHeightInfo.TopAxisTotalHeight - axisXHeightInfo.BottomAxisTotalHeight - legendAddResult.Top - legendAddResult.Bottom;

            if (yAxisHeight < ChartConstant.ZERO_D)
            {
                yAxisHeight = ChartConstant.ZERO_D;
            }

            //第四步 根据Y轴高度绘制Y轴,并计算Y轴宽度
            AxisYWidthInfo axisYWidthInfo = this.DrawAxisYByAxisXHeightInfo(axisCollection, chartGrid.Children, seriesCollection, yAxisHeight, ChartConstant.ZERO_D);


            //第五步 根据Y轴宽度计算X轴宽度并绘制X轴
            double xAxisWidth = axisFreezeInfo.Width - axisYWidthInfo.LeftAxisTotalWidth - axisYWidthInfo.RightAxisTotalWidth - legendAddResult.Left - legendAddResult.Right;

            if (xAxisWidth < ChartConstant.ZERO_D)
            {
                xAxisWidth = ChartConstant.ZERO_D;
            }
            Dictionary <AxisAbs, List <double> > axisXLabelDic = this.DrawAxisX(axisCollection, seriesCollection, chartGrid, xAxisWidth, ChartConstant.ZERO_D);

            chartCanvas.Width            = xAxisWidth;
            chartCanvas.Height           = yAxisHeight;
            scrollViewer.BorderThickness = new Thickness(ChartConstant.ZERO_D);
            scrollViewer.HorizontalScrollBarVisibility = ScrollBarVisibility.Hidden;
            scrollViewer.VerticalScrollBarVisibility   = ScrollBarVisibility.Hidden;
            scrollViewer.Background = Brushes.Transparent;
            scrollViewer.Content    = chartCanvas;
            chartGrid.Children.Add(scrollViewer);

            //第六步 绘制坐标背景标记线
            this.DrawAxisBackgroundLabelLine(chartCanvas, axisYWidthInfo.AxisYLabelDic, axisXLabelDic);

            //第七步 布局UI
            this.NoneFreezeLayout(axisCollection, legend, chartCanvas, chartGrid, scrollViewer, legendAddResult, axisXHeightInfo, axisYWidthInfo);

            //第八步 绘各Series和填充legend
            this.DrawSeries(chartGrid, chartCanvas, seriesCollection, legendAddResult, legend);
        }
Beispiel #21
0
        /// <summary>
        /// 返回Column X:宽度或Y:高度
        /// </summary>
        /// <param name="seriesCollection"></param>
        /// <returns></returns>
        private void CreateAxisData(ChartCollection <ISeries> seriesCollection)
        {
            this._axisData.Clear();
            if (seriesCollection == null || seriesCollection.Count == 0)
            {
                return;
            }

            IChartAxisValue chartAxisValue;
            object          axisValue;
            LabelSeriesItem labelAxisItem, labelAxisItemTmp;
            int             preCount;

            foreach (var series in seriesCollection)
            {
                if (!(series is IColumnSeries) |
                    series.AxisX != this && series.AxisY != this ||
                    series.Values == null || series.Values.Count == 0)
                {
                    continue;
                }

                preCount = this._axisData.Count > 0 ? this._axisData.Values.ElementAt(0).Count : 0;
                foreach (var value in series.Values)
                {
                    chartAxisValue = value as IChartAxisValue;
                    if (value == null)
                    {
                        continue;
                    }

                    axisValue = null;
                    if (series.AxisX == this)
                    {
                        axisValue = chartAxisValue.GetXValue();
                    }
                    else if (series.AxisY == this)
                    {
                        axisValue = chartAxisValue.GetYValue();
                    }

                    if (axisValue == null)
                    {
                        axisValue = this._nullLabelAxisItem;
                    }

                    if (!this._axisData.TryGetValue(axisValue, out labelAxisItem))
                    {
                        labelAxisItem = new LabelSeriesItem((IColumnSeries)series);

                        if (this._axisData.Count > 0)
                        {
                            //补齐没有的项
                            labelAxisItemTmp = this._axisData.Values.ElementAt(0);
                            for (int i = 0; i < preCount; i++)
                            {
                                labelAxisItem.Add(null, double.NaN);
                            }
                        }
                        this._axisData.Add(axisValue, labelAxisItem);
                    }

                    labelAxisItem.Add(value, double.NaN);
                }

                //补齐没有的项
                foreach (var labelAxisItem2 in this._axisData.Values)
                {
                    while (labelAxisItem2.Count <= preCount)
                    {
                        labelAxisItem2.Add(null, double.NaN);
                    }
                }
            }
        }
Beispiel #22
0
        private void UpdateFreezeX(AxisFreezeInfo axisFreezeInfo, ChartCollection <AxisAbs> axisCollection, ChartCollection <ISeries> seriesCollection,
                                   IChartLegend legend, Canvas chartCanvas, Grid chartGrid, ScrollViewer scrollViewer, Grid chartContentGrid)
        {
            /************************************************************************************************************
            * 步骤:
            * 1.添加legend,并计算出发四周所占高度或宽度
            * 2.计算X轴总高度
            * 3.根据Y轴高度绘制Y轴,并计算Y轴宽度
            * 4.根据Y轴宽度计算X轴宽度并绘制X轴
            * 5.绘制坐标背景标记线
            * 6.绘各Series
            * 7.绘各Series和填充legend
            ************************************************************************************************************/

            this.Content = chartGrid;

            //第一步 添加legend,并计算出发四周所占高度或宽度
            LegendAddResult legendAddResult = this.AddLegend(legend, chartGrid);

            //第二步 计算X轴总高度
            AxisXHeightInfo axisXHeightInfo = this.CalculateAxisXHeight(axisCollection);


            double height = this.ActualHeight - axisXHeightInfo.TopAxisTotalHeight - axisXHeightInfo.BottomAxisTotalHeight - legendAddResult.Top - legendAddResult.Bottom;

            //第三步 根据Y轴高度绘制Y轴,并计算Y轴宽度
            double yAxisHeight = axisFreezeInfo.Height;

            if (yAxisHeight < ChartConstant.ZERO_D)
            {
                yAxisHeight = ChartConstant.ZERO_D;
            }
            else if (yAxisHeight - height < ChartConstant.ZERO_D)
            {
                //真实高度大于最小值,取更大值
                yAxisHeight = height;
            }
            AxisYWidthInfo axisYWidthInfo = this.DrawAxisYByAxisXHeightInfo(axisCollection, chartContentGrid.Children, seriesCollection, yAxisHeight, ChartConstant.ZERO_D);


            //第四步 根据Y轴宽度计算X轴宽度并绘制X轴
            double xAxisWidth = axisFreezeInfo.Width - axisYWidthInfo.LeftAxisTotalWidth - axisYWidthInfo.RightAxisTotalWidth - legendAddResult.Left - legendAddResult.Right - this._scrollBarWidth;

            if (xAxisWidth < ChartConstant.ZERO_D)
            {
                xAxisWidth = ChartConstant.ZERO_D;
            }
            Dictionary <AxisAbs, List <double> > axisXLabelDic = this.DrawAxisX(axisCollection, seriesCollection, chartGrid, xAxisWidth, axisYWidthInfo.LeftAxisTotalWidth);


            chartCanvas.Width  = xAxisWidth;
            chartCanvas.Height = yAxisHeight;
            chartContentGrid.Children.Add(chartCanvas);

            //第五步 绘制坐标背景标记线
            this.DrawAxisBackgroundLabelLine(chartCanvas, axisYWidthInfo.AxisYLabelDic, axisXLabelDic);

            //第六步 布局UI
            this.FreezeXLayout(axisCollection, legend, chartCanvas, chartGrid, scrollViewer, chartContentGrid, legendAddResult, axisXHeightInfo, axisYWidthInfo);

            //第七步 绘各Series和填充legend
            this.DrawSeries(chartGrid, chartCanvas, seriesCollection, legendAddResult, legend);
        }
Beispiel #23
0
        private void UpdateFreezeY(AxisFreezeInfo axisFreezeInfo, ChartCollection <AxisAbs> axisCollection, ChartCollection <ISeries> seriesCollection,
                                   IChartLegend legend, Canvas chartCanvas, Grid chartGrid, ScrollViewer scrollViewer, Grid chartContentGrid)
        {
            /************************************************************************************************************
            * 步骤:
            * 1.添加legend,并计算出发四周所占高度或宽度
            * 2.计算X轴总高度
            * 3.根据X轴总高度计算图表区域高度高度(等于Y轴高度)
            * 4.根据Y轴高度绘制Y轴,并计算Y轴宽度
            * 5.根据宽度绘制X轴
            * 6.绘制坐标背景标记线
            * 7.布局UI
            * 8.绘各Series和填充legend
            ************************************************************************************************************/

            //chartGrid.ShowGridLines = true;
            //chartCanvas.Background = ColorBrushHelper.GetNextColor();
            this.Content = chartGrid;


            //第一步 添加legend,并计算出发四周所占高度或宽度
            LegendAddResult legendAddResult = this.AddLegend(legend, chartGrid);

            //第二步 计算X轴总高度
            AxisXHeightInfo axisXHeightInfo = this.CalculateAxisXHeight(axisCollection);

            //第三步 根据X轴总高度计算图表区域高度高度(等于Y轴高度)
            double yAxisHeight = axisFreezeInfo.Height - axisXHeightInfo.TopAxisTotalHeight - axisXHeightInfo.BottomAxisTotalHeight - legendAddResult.Top - legendAddResult.Bottom - this._scrollBarWidth;

            if (yAxisHeight < ChartConstant.ZERO_D)
            {
                yAxisHeight = ChartConstant.ZERO_D;
            }

            //第四步 根据Y轴高度绘制Y轴,并计算Y轴宽度
            AxisYWidthInfo axisYWidthInfo = this.DrawAxisYByAxisXHeightInfo(axisCollection, chartGrid.Children, seriesCollection, yAxisHeight, axisXHeightInfo.TopAxisTotalHeight);


            //第五步 根据宽度绘制X轴
            double width      = this.ActualWidth - axisYWidthInfo.LeftAxisTotalWidth - axisYWidthInfo.RightAxisTotalWidth - legendAddResult.Left - legendAddResult.Right;
            double xAxisWidth = axisFreezeInfo.Width;

            if (xAxisWidth < ChartConstant.ZERO_D)
            {
                xAxisWidth = ChartConstant.ZERO_D;
            }
            else if (xAxisWidth - width < ChartConstant.ZERO_D)
            {
                //真实宽度大于最小值,取更大值
                xAxisWidth = width;
            }
            Dictionary <AxisAbs, List <double> > axisXLabelDic = this.DrawAxisX(axisCollection, seriesCollection, chartContentGrid, xAxisWidth, ChartConstant.ZERO_D);

            chartCanvas.Width  = xAxisWidth;
            chartCanvas.Height = yAxisHeight;
            chartContentGrid.Children.Add(chartCanvas);

            //第六步 绘制坐标背景标记线
            this.DrawAxisBackgroundLabelLine(chartCanvas, axisYWidthInfo.AxisYLabelDic, axisXLabelDic);

            //第七步 布局UI
            this.FreezeYLayout(axisCollection, legend, chartCanvas, chartGrid, scrollViewer, chartContentGrid, legendAddResult, axisXHeightInfo, axisYWidthInfo);

            //第八步 绘各Series和填充legend
            this.DrawSeries(chartGrid, chartCanvas, seriesCollection, legendAddResult, legend);
        }
Beispiel #24
0
        private void ChartCanvas_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
        {
            if (e.LeftButton != MouseButtonState.Pressed)
            {
                return;
            }

            ChartCollection <AxisAbs> axes = this.Axes;

            if (axes == null || axes.Count == 0)
            {
                return;
            }

            var    endPoint = e.MouseDevice.GetPosition(this._chartCanvas);
            double left     = endPoint.X - this._beginPoint.X;
            double top      = endPoint.Y - this._beginPoint.Y;

            if (left == ChartConstant.ZERO_D && top == ChartConstant.ZERO_D)
            {
                return;
            }

            this._beginPoint = endPoint;

            //平移坐标
            Canvas         chartCanvas    = this._chartCanvas;
            List <AxisAbs> zoomedAxisList = null;
            bool           translateResult;

            foreach (var axis in axes)
            {
                if (!axis.AllowZoomTranslate)
                {
                    continue;
                }

                switch (axis.AxisType)
                {
                case AxisType.X:
                    translateResult = axis.TranslateX(left);
                    break;

                case AxisType.Y:
                    translateResult = axis.TranslateY(top);
                    break;

                default:
                    throw new NotImplementedException();
                }

                if (translateResult)
                {
                    if (zoomedAxisList == null)
                    {
                        zoomedAxisList = new List <AxisAbs>();
                    }
                    zoomedAxisList.Add(axis);
                }
            }

            //更新series
            ChartCollection <ISeries> seriesCollection = this.Series;

            if (seriesCollection != null && zoomedAxisList != null)
            {
                foreach (var series in seriesCollection)
                {
                    if (zoomedAxisList.Contains(series.AxisX) || zoomedAxisList.Contains(series.AxisY))
                    {
                        series.Update();
                    }
                }
            }
        }