public TElement(IElement htmlElement, TElement parent)
{
NormalFlowChildren = new List <TElement>();
FloatFlowChildren = new List <TElement>();
AbsoluteFlowChildren = new List <TElement>();
DefaultBackgroundColor = new Color(255, 255, 255, 255);
DefaultBorderColor = new Color(0, 0, 0, 255);
DefaultForegroundColor = new Color(0, 0, 0, 255);
Parent = parent;
Children = new List <TElement>();
Canvas = GfxFactory.Create <IGfxCanvas>();
InitHtml(htmlElement);
InitCss(htmlElement);
ComputeBoundingBox();
var elementFactory = new TElementFactory();
foreach (IElement htmlChild in htmlElement.Children)
{
var child = elementFactory.Create(htmlChild, this);
Children.Add(child);
ComputeBoundingBox(child);
AddToFlowList(child);
}
}
public void Parse(string html)
{
var config = new Configuration().WithCss();
var parser = new HtmlParser(config ?? Configuration.Default);
var document = parser.Parse(html);
var factory = new TElementFactory();
Body = factory.Create(document.Body, null);
}
private void ComputeBoundingBox(TElement element)
{
var box = new TRectangle()
{
Width = element.Css.Width.Value,
Height = element.Css.Height.Value
};
var childFloatAttribute = element.GetFloat();
if (childFloatAttribute == Float.None)
{
box.X = BoundingBox.Left;
box.Y = LeftFloatPosition.Y;
LeftFloatPosition.X = BoundingBox.Left;
LeftFloatPosition.Y += box.Height;
RightFloatPosition.Y += box.Height;
}
else if (childFloatAttribute == Float.Left)
{
box.X = LeftFloatPosition.X;
box.Y = LeftFloatPosition.Y;
LeftFloatPosition.X += box.Width;
if (LeftFloatPosition.X + box.Width > BoundingBox.Width)
{
LeftFloatPosition.X = BoundingBox.Left;
LeftFloatPosition.Y += box.Height;
}
}
else if (childFloatAttribute == Float.Right)
{
box.X = RightFloatPosition.X - box.Width;
box.Y = RightFloatPosition.Y;
RightFloatPosition.X -= box.Width;
if (RightFloatPosition.X < BoundingBox.Left)
{
RightFloatPosition.X = BoundingBox.Width;
RightFloatPosition.Y += box.Height;
}
}
element.BoundingBox = box;
}
private void AddToFlowList(TElement element)
{
switch (element.GetFloat())
{
case Float.None:
NormalFlowChildren.Add(element);
break;
case Float.Left:
case Float.Right:
FloatFlowChildren.Add(element);
break;
}
//TODO! Take element's Position into consideration too.
}
public TSpan(IElement htmlElement, TElement parent)
: base(htmlElement, parent)
{
}
public TBody(IElement htmlElement, TElement parent)
: base(htmlElement, parent)
{
}
public TParagraph(IElement htmlElement, TElement parent)
: base(htmlElement, parent)
{
}
public TDiv(IElement htmlElement, TElement parent)
: base(htmlElement, parent)
{
}