private void StyledGrid_IncreaseColSpace(object sender, RoutedEventArgs e)
{
ActualColSpace += 1;
// Update text box with newly increased value
ColSpace.Text = ActualColSpace.ToString();
ColSpace.PlaceholderText = ActualColSpace.ToString();
ColSpacesDec.IsEnabled = true;
// Increase left/right margin on all GridViewItems
for (int i = 0; i < StyledGrid.Items.Count; i++)
{
GridViewItem item = StyledGrid.ContainerFromIndex(i) as GridViewItem;
// Create a Thickness property to bind to each item's Margin property.
// Use existing margin and only change relevant values (left/right)
Thickness NewMargin = item.Margin;
NewMargin.Left = item.Margin.Left + 1;
NewMargin.Right = item.Margin.Right + 1;
item.Margin = NewMargin;
}
NotifyPropertyChanged();
}
private void NumberBox_ValueChanged(Microsoft.UI.Xaml.Controls.NumberBox sender, Microsoft.UI.Xaml.Controls.NumberBoxValueChangedEventArgs args)
{
if (StyledGridIWG == null)
{
return;
}
// Only update either max-row value or margins
if (sender == WrapItemCount)
{
StyledGridIWG.MaximumRowsOrColumns = (int)WrapItemCount.Value;
return;
}
int rowSpace = (int)RowSpace.Value;
int columnSpace = (int)ColumnSpace.Value;
for (int i = 0; i < StyledGrid.Items.Count; i++)
{
GridViewItem item = StyledGrid.ContainerFromIndex(i) as GridViewItem;
Thickness NewMargin = item.Margin;
NewMargin.Left = columnSpace;
NewMargin.Top = rowSpace;
NewMargin.Right = columnSpace;
NewMargin.Bottom = rowSpace;
item.Margin = NewMargin;
}
}
private void StyledGrid_ChangeCol(object sender, TextChangedEventArgs e)
{
try
{
// Make sure that value entered is a number
int newVal = Convert.ToInt32(ColSpace.Text.ToString());
// If empty or negative string, reset to 0.
if (ColSpace.Text.ToString() != "" && newVal >= 0)
{
ColSpacesDec.IsEnabled = true;
ColSpace.Text = ColSpace.Text.ToString();
ColSpace.PlaceholderText = ColSpace.Text.ToString();
// Create new Thickness object and update relevant parts of Margin property (top/bottom)
for (int i = 0; i < StyledGrid.Items.Count; i++)
{
GridViewItem item = StyledGrid.ContainerFromIndex(i) as GridViewItem;
Thickness NewMargin = item.Margin;
NewMargin.Left = Convert.ToInt32(ColSpace.Text);
NewMargin.Right = Convert.ToInt32(ColSpace.Text);
item.Margin = NewMargin;
}
}
else
{
ColSpace.Text = "";
ColSpace.PlaceholderText = "";
}
}
// If entered value not a number, reset to 0.
catch (FormatException)
{
// If clearing a text entry, reset margins to 0.
if (ColSpace.Text == "")
{
for (int i = 0; i < StyledGrid.Items.Count; i++)
{
GridViewItem item = StyledGrid.ContainerFromIndex(i) as GridViewItem;
Thickness NewMargin = item.Margin;
NewMargin.Left = 0;
NewMargin.Right = 0;
item.Margin = NewMargin;
}
ColSpacesDec.IsEnabled = false;
}
ColSpace.Text = "";
ColSpace.PlaceholderText = "0";
}
}
private void StyledGrid_DecreaseRowSpace(object sender, RoutedEventArgs e)
{
// Make sure new value is positive
if (ActualRowSpace > 0)
{
ActualRowSpace -= 1;
RowSpacesDec.IsEnabled = true;
// Update text box with newly increased value
RowSpace.Text = ActualRowSpace.ToString();
RowSpace.PlaceholderText = ActualRowSpace.ToString();
// Decrease top/bottom margin on all GridViewItems
for (int i = 0; i < StyledGrid.Items.Count; i++)
{
GridViewItem item = StyledGrid.ContainerFromIndex(i) as GridViewItem;
// Create a Thickness property to bind to each item's Margin property.
// Use existing margin and only change relevant values (top/bottom)
Thickness NewMargin = item.Margin;
NewMargin.Top = item.Margin.Top - 1;
NewMargin.Bottom = item.Margin.Bottom - 1;
item.Margin = NewMargin;
}
// If this action caused RowSpaces to go to 0, deactivate decrease button
if (ActualRowSpace == 0)
{
RowSpacesDec.IsEnabled = false;
}
}
// If new value is negative, reset text box to 0 and display an error message.
else
{
RowSpace.Text = "";
RowSpace.PlaceholderText = "0";
RowSpacesDec.IsEnabled = false;
}
NotifyPropertyChanged();
}
private void StyledGrid_IncreaseRowSpace(object sender, RoutedEventArgs e)
{
ActualRowSpace += 1;
RowSpacesDec.IsEnabled = true;
RowSpace.Text = ActualRowSpace.ToString();
RowSpace.PlaceholderText = ActualRowSpace.ToString();
// Increase top/bottom margin on all GridViewItems
for (int i = 0; i < StyledGrid.Items.Count; i++)
{
GridViewItem item = StyledGrid.ContainerFromIndex(i) as GridViewItem;
// Create a Thickness property to bind to each item's Margin property.
// Use existing margin and only change relevant values (top/bottom)
Thickness NewMargin = item.Margin;
NewMargin.Top = item.Margin.Top + 1;
NewMargin.Bottom = item.Margin.Bottom + 1;
item.Margin = NewMargin;
}
NotifyPropertyChanged();
}
