private static AdaptiveStackPanel GenerateSubgroup(
AdaptiveSubgroup subgroup,
bool isFirstGroup,
double topMarginOffset,
Thickness externalMargin)
{
AdaptiveStackPanel sp = new AdaptiveStackPanel();
GenerateItems(
children: subgroup.Children,
container: sp.Children,
isFirstGroup: isFirstGroup,
isInsideGroup: true,
topMarginOffset: topMarginOffset,
externalMargin: externalMargin);
// If we are in the first group, we apply the top margin to the subgroup
// because some of the items might have negative margins
if (isFirstGroup)
{
sp.Margin = new Thickness(0, externalMargin.Top, 0, 0);
}
return(sp);
}
public static UIElement Render(AdaptiveContainer adaptiveContainer, Thickness externalMargin)
{
AdaptiveStackPanel answer = new AdaptiveStackPanel()
{
IsTopLevel = true
};
VerticalAlignment valignment;
switch (adaptiveContainer.HintTextStacking)
{
case HintTextStacking.Bottom:
valignment = VerticalAlignment.Bottom;
break;
case HintTextStacking.Center:
valignment = VerticalAlignment.Center;
break;
default:
valignment = VerticalAlignment.Top;
break;
}
answer.VerticalAlignment = valignment;
double topMarginOffset = externalMargin.Top;
GenerateItems(
children: adaptiveContainer.Children,
container: answer.Children,
isFirstGroup: true,
isInsideGroup: false,
topMarginOffset: 0,
externalMargin: externalMargin);
// If the first child is a group/subgroup, we set the top margin to 0
if (answer.Children.FirstOrDefault() is AdaptiveStackPanel || answer.Children.FirstOrDefault() is AdaptiveGrid)
{
externalMargin.Top = 0;
}
answer.Margin = externalMargin;
return(answer);
}
private static FrameworkElement GenerateGroup(
AdaptiveGroup group,
bool isFirstGroup,
bool needsImageMargin,
Thickness externalMargin)
{
if (group.Subgroups.Count == 0)
{
return(null);
}
double topMarginOffset = 0;
if (!isFirstGroup)
{
topMarginOffset = GetSubgroupsTopMarginOffset(group.Subgroups);
}
if (needsImageMargin)
{
// Ensure that top margin will be at least the image margin, even though we haven't an image
if (topMarginOffset < AdaptiveConstants.DefaultImageMargin)
{
topMarginOffset = AdaptiveConstants.DefaultImageMargin;
}
}
Thickness groupMargin = new Thickness(
0,
isFirstGroup ? 0.0 : AdaptiveConstants.DefaultGroupTopMargin,
0,
0);
if (group.Subgroups.Count == 1)
{
AdaptiveStackPanel sp = GenerateSubgroup(
subgroup: group.Subgroups[0],
isFirstGroup: isFirstGroup,
topMarginOffset: topMarginOffset,
externalMargin: externalMargin);
sp.Margin = new Thickness(
sp.Margin.Left,
sp.Margin.Top + groupMargin.Top,
sp.Margin.Right,
sp.Margin.Bottom);
if (group.ActionId != null)
{
sp.Background = GetActionBackgroundBrush();
}
return(sp);
}
else
{
Grid g = new AdaptiveGrid()
{
Margin = groupMargin
};
// Get the calculated weights
int[] weights = CalculateWeights(group.Subgroups);
for (int i = 0; i < group.Subgroups.Count; i++)
{
var subgroup = group.Subgroups[i];
int weight = weights[i];
//add column for the subgroup
g.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = weight == AdaptiveSubgroup.WEIGHT_AUTO ? GridLength.Auto : new GridLength(weight, GridUnitType.Star)
});
//and create the subgroup visual
var subgroupEl = GenerateSubgroup(subgroup, isFirstGroup, topMarginOffset, externalMargin);
Grid.SetColumn(subgroupEl, g.ColumnDefinitions.Count - 1); //assign it to this column
//set text stacking
switch (subgroup.HintTextStacking)
{
case HintTextStacking.Bottom:
subgroupEl.VerticalAlignment = VerticalAlignment.Bottom;
break;
case HintTextStacking.Center:
subgroupEl.VerticalAlignment = VerticalAlignment.Center;
break;
}
//and then add that subgroup visual to the group visual
g.Children.Add(subgroupEl);
//always add 8 pixel padding between columns (but not on the right, last, side)
if (i != group.Subgroups.Count - 1)
{
g.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(8)
});
}
if (subgroup.ActionId != null)
{
subgroupEl.Background = GetActionBackgroundBrush();
}
}
if (group.ActionId != null)
{
g.Background = GetActionBackgroundBrush();
}
return(g);
}
}
