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performance optimization

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NaBian committed 2020-10-29 22:50:12 +08:00
1 parent 4b7124d5c8
commit 65c2e10dc7
8 files changed
+124 -84
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src/Shared/HandyControl_Shared/Controls/Panel/WaterfallPanel.cs
+10 -11
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@@ -8,7 +8,8 @@ namespace HandyControl.Controls
public class WaterfallPanel : Panel
{
public static readonly DependencyProperty GroupsProperty = DependencyProperty.Register(
"Groups", typeof(int), typeof(WaterfallPanel), new FrameworkPropertyMetadata(ValueBoxes.Int2Box, FrameworkPropertyMetadataOptions.AffectsMeasure), IsGroupsValid);
"Groups", typeof(int), typeof(WaterfallPanel), new FrameworkPropertyMetadata(
ValueBoxes.Int2Box, FrameworkPropertyMetadataOptions.AffectsMeasure), IsGroupsValid);
public int Groups
{
@@ -16,11 +17,7 @@ namespace HandyControl.Controls
set => SetValue(GroupsProperty, value);
}
private static bool IsGroupsValid(object value)
{
var v = (int)value;
return v >= 1;
}
private static bool IsGroupsValid(object value) => (int)value >= 1;
public static readonly DependencyProperty OrientationProperty = DependencyProperty.Register(
"Orientation", typeof(Orientation), typeof(WaterfallPanel), new FrameworkPropertyMetadata(
@@ -34,14 +31,16 @@ namespace HandyControl.Controls
protected override Size MeasureOverride(Size constraint)
{
if (Groups < 1) return constraint;
var groups = Groups;
if (groups < 1) return constraint;
var children = InternalChildren;
Size panelSize;
if (Orientation == Orientation.Horizontal)
{
var heightArr = new double[Groups].ToList();
var itemWidth = constraint.Width / Groups;
var heightArr = new double[groups].ToList();
var itemWidth = constraint.Width / groups;
if (double.IsNaN(itemWidth) || double.IsInfinity(itemWidth)) return constraint;
for (int i = 0, count = children.Count; i < count; i++)
@@ -60,8 +59,8 @@ namespace HandyControl.Controls
}
else
{
var widthArr = new double[Groups].ToList();
var itemHeight = constraint.Height / Groups;
var widthArr = new double[groups].ToList();
var itemHeight = constraint.Height / groups;
if (double.IsNaN(itemHeight) || double.IsInfinity(itemHeight)) return constraint;
for (int i = 0, count = children.Count; i < count; i++)