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优化Legend数量过多时自动换行显示

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This commit is contained in:
monitor1394
2020-06-04 07:06:41 +08:00
parent db8dd43291
commit b0866b3900
3 changed files with 119 additions and 40 deletions
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156
Runtime/Internal/Helper/LegendHelper.cs
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@@ -71,102 +71,150 @@ namespace XCharts
return item;
}
public static void ResetItemPosition(Legend legend)
public static void ResetItemPosition(Legend legend, float chartWidth, float chartHeight)
{
var startX = 0f;
var startY = 0f;
var offsetX = 0f;
var currWidth = 0f;
var currHeight = 0f;
var legendWidth = chartWidth - legend.location.left - legend.location.right;
var legendHeight = chartHeight - legend.location.top - legend.location.bottom;
var legendRuntimeWidth = legend.runtimeWidth;
var legendRuntimeHeight = legend.runtimeHeight;
switch (legend.orient)
{
case Orient.Vertical:
switch (legend.location.align)
{
case Location.Align.TopCenter:
startX = legend.runtimeWidth / 2;
currHeight = 0f;
startX = legendRuntimeWidth / 2;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(-startX + item.width / 2, -currHeight));
if (currHeight + item.height + legend.itemGap > legendHeight)
{
currHeight = 0;
offsetX += legendRuntimeWidth + legend.itemGap;
}
item.SetPosition(new Vector3(-startX + item.width / 2 + offsetX, -currHeight));
currHeight += item.height + legend.itemGap;
}
break;
case Location.Align.TopLeft:
currHeight = 0f;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(0, -currHeight));
if (currHeight + item.height + legend.itemGap > legendHeight)
{
currHeight = 0;
offsetX += legendRuntimeWidth + legend.itemGap;
}
item.SetPosition(new Vector3(0 + offsetX, -currHeight));
currHeight += item.height + legend.itemGap;
}
break;
case Location.Align.TopRight:
currHeight = 0f;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(item.width - legend.runtimeWidth, -currHeight));
if (currHeight + item.height + legend.itemGap > legendHeight)
{
currHeight = 0;
offsetX -= legendRuntimeWidth + legend.itemGap;
}
item.SetPosition(new Vector3(item.width - legendRuntimeWidth + offsetX, -currHeight));
currHeight += item.height + legend.itemGap;
}
break;
case Location.Align.Center:
startX = legend.runtimeWidth / 2;
currHeight = legend.runtimeHeight;
startX = legendRuntimeWidth / 2;
startY = legendRuntimeHeight > legendHeight ? legendHeight / 2 : legendRuntimeHeight / 2;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(-startX + item.width / 2, currHeight - item.height));
currHeight -= item.height + legend.itemGap;
if (currHeight + item.height + legend.itemGap > legendHeight)
{
currHeight = 0;
offsetX += legendRuntimeWidth + legend.itemGap;
}
item.SetPosition(new Vector3(-startX + item.width / 2 + offsetX, startY - currHeight));
currHeight += item.height + legend.itemGap;
}
break;
case Location.Align.CenterLeft:
currHeight = legend.runtimeHeight;
startY = legendRuntimeHeight > legendHeight ? legendHeight / 2 : legendRuntimeHeight / 2;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(0, currHeight - item.height));
currHeight -= item.height + legend.itemGap;
if (currHeight + item.height + legend.itemGap > legendHeight)
{
currHeight = 0;
offsetX += legendRuntimeWidth + legend.itemGap;
}
item.SetPosition(new Vector3(offsetX, startY - currHeight - item.height));
currHeight += item.height + legend.itemGap;
}
break;
case Location.Align.CenterRight:
currHeight = legend.runtimeHeight;
startX = 0;
startY = legendRuntimeHeight > legendHeight ? legendHeight / 2 : legendRuntimeHeight / 2;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(item.width - legend.runtimeWidth, currHeight - item.height));
currHeight -= item.height + legend.itemGap;
if (currHeight + item.height + legend.itemGap > legendHeight)
{
currHeight = 0;
offsetX -= legendRuntimeWidth + legend.itemGap;
}
item.SetPosition(new Vector3(item.width - legendRuntimeWidth + offsetX, startY - currHeight - item.height));
currHeight += item.height + legend.itemGap;
}
break;
case Location.Align.BottomCenter:
startX = legend.runtimeWidth / 2;
currHeight = legend.runtimeHeight;
startX = legendRuntimeWidth / 2;
startY = legendRuntimeHeight > legendHeight ? legendHeight : legendRuntimeHeight;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(-startX + item.width / 2, currHeight - item.height));
currHeight -= item.height + legend.itemGap;
if (currHeight + item.height + legend.itemGap > legendHeight)
{
currHeight = 0;
offsetX += legendRuntimeWidth + legend.itemGap;
}
item.SetPosition(new Vector3(-startX + item.width / 2 + offsetX, startY - currHeight - item.height));
currHeight += item.height + legend.itemGap;
}
break;
case Location.Align.BottomLeft:
currHeight = legend.runtimeHeight;
startX = 0;
startY = legendRuntimeHeight > legendHeight ? legendHeight : legendRuntimeHeight;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(0, currHeight - item.height));
currHeight -= item.height + legend.itemGap;
if (currHeight + item.height + legend.itemGap > legendHeight)
{
currHeight = 0;
offsetX += legendRuntimeWidth + legend.itemGap;
}
item.SetPosition(new Vector3(startX + offsetX, startY - currHeight - item.height));
currHeight += item.height + legend.itemGap;
}
break;
case Location.Align.BottomRight:
currHeight = legend.runtimeHeight;
startX = 0;
startY = legendRuntimeHeight > legendHeight ? legendHeight : legendRuntimeHeight;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(item.width - legend.runtimeWidth, currHeight - item.height));
currHeight -= item.height + legend.itemGap;
if (currHeight + item.height + legend.itemGap > legendHeight)
{
currHeight = 0;
offsetX -= legendRuntimeWidth + legend.itemGap;
}
item.SetPosition(new Vector3(item.width - legendRuntimeWidth + offsetX, startY - currHeight - item.height));
currHeight += item.height + legend.itemGap;
}
break;
}
@@ -177,35 +225,53 @@ namespace XCharts
case Location.Align.TopLeft:
case Location.Align.CenterLeft:
case Location.Align.BottomLeft:
currWidth = 0f;
var isBottom = legend.location.align == Location.Align.BottomLeft;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(currWidth, 0));
if (currWidth + item.width + legend.itemGap >= legendWidth)
{
currWidth = 0f;
if (isBottom) currHeight += legend.itemGap + item.height;
else currHeight -= legend.itemGap + item.height;
}
item.SetPosition(new Vector3(currWidth, currHeight));
currWidth += item.width + legend.itemGap;
}
break;
case Location.Align.TopCenter:
case Location.Align.Center:
case Location.Align.BottomCenter:
startX = legend.runtimeWidth / 2;
currWidth = 0f;
isBottom = legend.location.align == Location.Align.BottomCenter;
startX = legendRuntimeWidth > legendWidth ? legendWidth / 2 : legendRuntimeWidth / 2;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(-startX + item.width / 2 + currWidth, 0));
if (currWidth + item.width + legend.itemGap >= legendWidth)
{
currWidth = 0f;
if (isBottom) currHeight += legend.itemGap + item.height;
else currHeight -= legend.itemGap + item.height;
}
item.SetPosition(new Vector3(-startX + item.width / 2 + currWidth, currHeight));
currWidth += item.width + legend.itemGap;
}
break;
case Location.Align.TopRight:
case Location.Align.CenterRight:
case Location.Align.BottomRight:
startX = -legend.runtimeWidth;
currWidth = 0f;
isBottom = legend.location.align == Location.Align.BottomRight;
startX = legendRuntimeWidth > legendWidth ? -legendWidth : -legendRuntimeWidth;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
item.SetPosition(new Vector3(startX + currWidth + item.width, 0));
if (currWidth + item.width + legend.itemGap >= legendWidth)
{
currWidth = 0f;
if (isBottom) currHeight += legend.itemGap + item.height;
else currHeight -= legend.itemGap + item.height;
}
item.SetPosition(new Vector3(startX + currWidth + item.width, currHeight));
currWidth += item.width + legend.itemGap;
}
break;
@@ -214,6 +280,18 @@ namespace XCharts
}
}
private static bool IsBeyondWidth(Legend legend, float maxWidth)
{
var totalWidth = 0f;
foreach (var kv in legend.buttonList)
{
var item = kv.Value;
totalWidth += item.width + legend.itemGap;
if (totalWidth > maxWidth) return true;
}
return false;
}
public static bool CheckDataShow(Series series, string legendName, bool show)
{
bool needShow = false;