public override void MergeWith(Style s)
{
if (s != null)
{
if (this.IsEmpty)
{
this.CopyFrom(s);
}
else
{
base.MergeWith(s);
MenuItemStyle style = s as MenuItemStyle;
if ((style != null) && !style.IsEmpty)
{
if (s.RegisteredCssClass.Length == 0)
{
if (style.IsSet(0x10000) && !base.IsSet(0x10000))
{
this.VerticalPadding = style.VerticalPadding;
}
if (style.IsSet(0x20000) && !base.IsSet(0x20000))
{
this.HorizontalPadding = style.HorizontalPadding;
}
}
if (style.IsSet(0x40000) && !base.IsSet(0x40000))
{
this.ItemSpacing = style.ItemSpacing;
}
}
}
}
}
/// <devdoc>
/// Copies non-blank elements from the specified style, overwriting existing
/// style elements if necessary.
/// </devdoc>
public override void CopyFrom(Style s)
{
if (s != null)
{
base.CopyFrom(s);
MenuItemStyle mis = s as MenuItemStyle;
if (mis != null && !mis.IsEmpty)
{
// Only copy the Css attributes if they aren't included in the source Style's registered CSS class
if (s.RegisteredCssClass.Length != 0)
{
if (mis.IsSet(PROP_VPADDING))
{
ViewState.Remove("VerticalPadding");
ClearBit(PROP_VPADDING);
}
if (mis.IsSet(PROP_HPADDING))
{
ViewState.Remove("HorizontalPadding");
ClearBit(PROP_HPADDING);
}
}
else
{
if (mis.IsSet(PROP_VPADDING))
{
this.VerticalPadding = mis.VerticalPadding;
}
if (mis.IsSet(PROP_HPADDING))
{
this.HorizontalPadding = mis.HorizontalPadding;
}
}
// Item spacing is not rendered in the registered css, so we always copy it
if (mis.IsSet(PROP_ITEMSPACING))
{
this.ItemSpacing = mis.ItemSpacing;
}
}
}
}
public override void CopyFrom(Style s)
{
if (s != null)
{
base.CopyFrom(s);
MenuItemStyle style = s as MenuItemStyle;
if ((style != null) && !style.IsEmpty)
{
if (s.RegisteredCssClass.Length != 0)
{
if (style.IsSet(0x10000))
{
base.ViewState.Remove("VerticalPadding");
base.ClearBit(0x10000);
}
if (style.IsSet(0x20000))
{
base.ViewState.Remove("HorizontalPadding");
base.ClearBit(0x20000);
}
}
else
{
if (style.IsSet(0x10000))
{
this.VerticalPadding = style.VerticalPadding;
}
if (style.IsSet(0x20000))
{
this.HorizontalPadding = style.HorizontalPadding;
}
}
if (style.IsSet(0x40000))
{
this.ItemSpacing = style.ItemSpacing;
}
}
}
}
public override void MergeWith(Style s)
{
if (s != null)
{
if (IsEmpty)
{
// Merging with an empty style is equivalent to copying,
// which is more efficient.
CopyFrom(s);
return;
}
base.MergeWith(s);
MenuItemStyle mis = s as MenuItemStyle;
if (mis != null && !mis.IsEmpty)
{
// Since we're already copying the registered CSS class in base.MergeWith, we don't
// need to any attributes that would be included in that class.
if (s.RegisteredCssClass.Length == 0)
{
if (mis.IsSet(PROP_VPADDING) && !this.IsSet(PROP_VPADDING))
{
this.VerticalPadding = mis.VerticalPadding;
}
if (mis.IsSet(PROP_HPADDING) && !this.IsSet(PROP_HPADDING))
{
this.HorizontalPadding = mis.HorizontalPadding;
}
}
if (mis.IsSet(PROP_ITEMSPACING) && !this.IsSet(PROP_ITEMSPACING))
{
this.ItemSpacing = mis.ItemSpacing;
}
}
}
}