276 lines
12 KiB
C#
276 lines
12 KiB
C#
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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namespace XCharts.Runtime
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{
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public static class LegendHelper
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{
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public static Color GetContentColor(BaseChart chart, int legendIndex, string legendName, Legend legend, ThemeStyle theme, bool active)
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{
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var textStyle = legend.labelStyle.textStyle;
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if (active)
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{
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if (legend.labelStyle.textStyle.autoColor)
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return SeriesHelper.GetNameColor(chart, legendIndex, legendName);
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else
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return !ChartHelper.IsClearColor(textStyle.color) ? textStyle.color : theme.legend.textColor;
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}
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else return theme.legend.unableColor;
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}
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public static Color GetIconColor(BaseChart chart, Legend legend, int readIndex, string legendName, bool active)
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{
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if (active)
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{
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if (legend.itemAutoColor)
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{
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return SeriesHelper.GetNameColor(chart, readIndex, legendName);
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}
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else
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return legend.GetColor(readIndex);
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}
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else return chart.theme.legend.unableColor;
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}
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public static LegendItem AddLegendItem(BaseChart chart, Legend legend, int i, string legendName, Transform parent,
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ThemeStyle theme, string content, Color itemColor, bool active, int legendIndex)
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{
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var objName = i + "_" + legendName;
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var anchorMin = new Vector2(0, 0.5f);
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var anchorMax = new Vector2(0, 0.5f);
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var pivot = new Vector2(0, 0.5f);
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var sizeDelta = new Vector2(100, 30);
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var iconSizeDelta = new Vector2(legend.itemWidth, legend.itemHeight);
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var textStyle = legend.labelStyle.textStyle;
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var contentColor = GetContentColor(chart, legendIndex, legendName, legend, theme, active);
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var objAnchorMin = new Vector2(0, 1);
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var objAnchorMax = new Vector2(0, 1);
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var objPivot = new Vector2(0, 1);
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var btnObj = ChartHelper.AddObject(objName, parent, objAnchorMin, objAnchorMax, objPivot, sizeDelta, i);
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var iconObj = ChartHelper.AddObject("icon", btnObj.transform, anchorMin, anchorMax, pivot, iconSizeDelta);
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var img = ChartHelper.GetOrAddComponent<Image>(btnObj);
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img.color = Color.clear;
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ChartHelper.GetOrAddComponent<Button>(btnObj);
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ChartHelper.GetOrAddComponent<Image>(iconObj);
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var label = ChartHelper.AddChartLabel("content", btnObj.transform, legend.labelStyle, theme.legend,
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content, contentColor, TextAnchor.MiddleLeft);
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label.SetActive(true);
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var item = new LegendItem();
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item.index = i;
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item.name = objName;
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item.legendName = legendName;
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item.SetObject(btnObj);
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item.SetIconSize(legend.itemWidth, legend.itemHeight);
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item.SetIconColor(itemColor);
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item.SetIconImage(legend.GetIcon(i));
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item.SetContentPosition(legend.labelStyle.offset);
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item.SetContent(content);
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return item;
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}
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public static void ResetItemPosition(Legend legend, Vector3 chartPos, float chartWidth, float chartHeight)
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{
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legend.location.UpdateRuntimeData(chartWidth, chartHeight);
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var startX = 0f;
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var startY = 0f;
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var legendMaxWidth = chartWidth - legend.location.runtimeLeft - legend.location.runtimeRight;
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var legendMaxHeight = chartHeight - legend.location.runtimeTop - legend.location.runtimeBottom;
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UpdateLegendWidthAndHeight(legend, legendMaxWidth, legendMaxHeight);
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var legendRuntimeWidth = legend.context.width;
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var legendRuntimeHeight = legend.context.height;
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var isVertical = legend.orient == Orient.Vertical;
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switch (legend.location.align)
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{
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case Location.Align.TopCenter:
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startX = chartPos.x + chartWidth / 2 - legendRuntimeWidth / 2;
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startY = chartPos.y + chartHeight - legend.location.runtimeTop;
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break;
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case Location.Align.TopLeft:
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startX = chartPos.x + legend.location.runtimeLeft;
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startY = chartPos.y + chartHeight - legend.location.runtimeTop;
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break;
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case Location.Align.TopRight:
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startX = chartPos.x + chartWidth - legendRuntimeWidth - legend.location.runtimeRight;
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startY = chartPos.y + chartHeight - legend.location.runtimeTop;
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break;
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case Location.Align.Center:
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startX = chartPos.x + chartWidth / 2 - legendRuntimeWidth / 2;
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startY = chartPos.y + chartHeight / 2 + legendRuntimeHeight / 2;
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break;
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case Location.Align.CenterLeft:
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startX = chartPos.x + legend.location.runtimeLeft;
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startY = chartPos.y + chartHeight / 2 + legendRuntimeHeight / 2;
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break;
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case Location.Align.CenterRight:
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startX = chartPos.x + chartWidth - legendRuntimeWidth - legend.location.runtimeRight;
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startY = chartPos.y + chartHeight / 2 + legendRuntimeHeight / 2;
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break;
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case Location.Align.BottomCenter:
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startX = chartPos.x + chartWidth / 2 - legendRuntimeWidth / 2;
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startY = chartPos.y + legendRuntimeHeight + legend.location.runtimeBottom;
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break;
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case Location.Align.BottomLeft:
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startX = chartPos.x + legend.location.runtimeLeft;
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startY = chartPos.y + legendRuntimeHeight + legend.location.runtimeBottom;
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break;
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case Location.Align.BottomRight:
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startX = chartPos.x + chartWidth - legendRuntimeWidth - legend.location.runtimeRight;
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startY = chartPos.y + legendRuntimeHeight + legend.location.runtimeBottom;
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break;
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}
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if (isVertical) SetVerticalItemPosition(legend, legendMaxHeight, startX, startY);
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else SetHorizonalItemPosition(legend, legendMaxWidth, startX, startY);
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}
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private static void SetVerticalItemPosition(Legend legend, float legendMaxHeight, float startX, float startY)
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{
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var currHeight = 0f;
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var offsetX = 0f;
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var row = 0;
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foreach (var kv in legend.context.buttonList)
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{
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var item = kv.Value;
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if (currHeight + item.height > legendMaxHeight)
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{
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currHeight = 0;
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offsetX += legend.context.eachWidthDict[row];
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row++;
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}
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item.SetPosition(new Vector3(startX + offsetX, startY - currHeight));
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currHeight += item.height + legend.itemGap;
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}
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}
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private static void SetHorizonalItemPosition(Legend legend, float legendMaxWidth, float startX, float startY)
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{
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var currWidth = 0f;
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var offsetY = 0f;
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foreach (var kv in legend.context.buttonList)
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{
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var item = kv.Value;
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if (currWidth + item.width > legendMaxWidth)
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{
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currWidth = 0;
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offsetY += legend.context.eachHeight;
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}
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item.SetPosition(new Vector3(startX + currWidth, startY - offsetY));
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currWidth += item.width + legend.itemGap;
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}
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}
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private static void UpdateLegendWidthAndHeight(Legend legend, float maxWidth, float maxHeight)
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{
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var width = 0f;
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var height = 0f;
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var realHeight = 0f;
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var realWidth = 0f;
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legend.context.eachWidthDict.Clear();
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legend.context.eachHeight = 0;
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if (legend.orient == Orient.Horizonal)
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{
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foreach (var kv in legend.context.buttonList)
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{
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if (width + kv.Value.width > maxWidth)
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{
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realWidth = width - legend.itemGap;
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realHeight += height + legend.itemGap;
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if (legend.context.eachHeight < height + legend.itemGap)
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{
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legend.context.eachHeight = height + legend.itemGap;
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}
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height = 0;
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width = 0;
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}
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width += kv.Value.width + legend.itemGap;
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if (kv.Value.height > height)
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height = kv.Value.height;
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}
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width -= legend.itemGap;
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legend.context.height = realHeight + height;
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legend.context.width = realWidth > 0 ? realWidth : width;
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}
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else
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{
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var row = 0;
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foreach (var kv in legend.context.buttonList)
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{
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if (height + kv.Value.height > maxHeight)
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{
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realHeight = height - legend.itemGap;
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realWidth += width + legend.itemGap;
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legend.context.eachWidthDict[row] = width + legend.itemGap;
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row++;
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height = 0;
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width = 0;
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}
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height += kv.Value.height + legend.itemGap;
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if (kv.Value.width > width)
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width = kv.Value.width;
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}
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height -= legend.itemGap;
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legend.context.height = realHeight > 0 ? realHeight : height;
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legend.context.width = realWidth + width;
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}
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}
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private static bool IsBeyondWidth(Legend legend, float maxWidth)
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{
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var totalWidth = 0f;
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foreach (var kv in legend.context.buttonList)
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{
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var item = kv.Value;
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totalWidth += item.width + legend.itemGap;
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if (totalWidth > maxWidth) return true;
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}
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return false;
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}
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public static bool CheckDataShow(Serie serie, string legendName, bool show)
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{
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bool needShow = false;
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if (legendName.Equals(serie.serieName))
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{
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serie.show = show;
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serie.highlight = false;
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if (serie.show) needShow = true;
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}
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else
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{
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foreach (var data in serie.data)
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{
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if (legendName.Equals(data.name))
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{
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data.show = show;
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data.context.highlight = false;
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if (data.show) needShow = true;
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}
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}
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}
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return needShow;
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}
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public static bool CheckDataHighlighted(Serie serie, string legendName, bool heighlight)
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{
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bool show = false;
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if (legendName.Equals(serie.serieName))
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{
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serie.highlight = heighlight;
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}
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else
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{
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foreach (var data in serie.data)
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{
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if (legendName.Equals(data.name))
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{
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data.context.highlight = heighlight;
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if (data.context.highlight) show = true;
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}
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}
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}
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return show;
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}
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}
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}
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