public CssSpacingBox(CssBox tableBox, ref CssBox extendedBox, int startRow)
: base(tableBox, new HtmlTag("none", false, new Dictionary<string, string> { { "colspan", "1" } }))
{
_extendedBox = extendedBox;
Display = CssConstants.None;
_startRow = startRow;
_endRow = startRow + Int32.Parse(extendedBox.GetAttribute("rowspan", "1")) - 1;
}
/// <summary>
/// Gets the span attribute of the tag of the specified box
/// </summary>
/// <param name="b"></param>
private static int GetSpan(CssBox b)
{
double f = CssValueParser.ParseNumber(b.GetAttribute("span"), 1);
return Math.Max(1, Convert.ToInt32(f));
}
/// <summary>
/// Gets the rowspan of the specified box
/// </summary>
/// <param name="b"></param>
private static int GetRowSpan(CssBox b)
{
string att = b.GetAttribute("rowspan", "1");
int rowspan;
if (!int.TryParse(att, out rowspan))
{
return 1;
}
return rowspan;
}
/// <summary>
/// Gets the colspan of the specified box
/// </summary>
/// <param name="b"></param>
private static int GetColSpan(CssBox b)
{
string att = b.GetAttribute("colspan", "1");
int colspan;
if (!int.TryParse(att, out colspan))
{
return 1;
}
return colspan;
}
/// <summary>
/// returns the box with the attribute "clickable" that has been clicked
/// </summary>
/// <param name="box"></param>
/// <param name="location"></param>
/// <returns></returns>
public static CssBox SearchClickedBox(CssBox box, RPoint location)
{
if (box != null) {
if (box.GetAttribute("clickable") != "" && box.ClientRectangle.Contains(location))
return box;
if (box.ClientRectangle.IsEmpty || box.ClientRectangle.Contains(location)) {
foreach (var childBox in box.Boxes) {
var foundBox = SearchClickedBox(childBox, location);
if (foundBox != null)
return foundBox;
}
}
}
return null;
}
/// <summary>
/// Get attribute value by given key starting search from given box, search up the tree until
/// attribute found or root.
/// </summary>
/// <param name="box">the box to start lookup at</param>
/// <param name="attribute">the attribute to get</param>
/// <returns>the value of the attribute or null if not found</returns>
public static string GetAttribute(CssBox box, string attribute)
{
string value = null;
while (box != null && value == null)
{
value = box.GetAttribute(attribute, null);
box = box.ParentBox;
}
return value;
}