protected void ImplSetAttribute(DomAttribute attr)
{
//handle some attribute
//special for some attributes
switch ((WellknownName)attr.LocalNameIndex)
{
case WellknownName.Style:
{
//TODO: parse and evaluate style here
//****
WebDom.Parser.CssParser miniCssParser = CssParserPool.GetFreeParser();
//parse and evaluate the ruleset
CssRuleSet parsedRuleSet = miniCssParser.ParseCssPropertyDeclarationList(attr.Value.ToCharArray());
Css.BoxSpec spec = null;
if (this.ParentNode != null)
{
spec = ((HtmlElement)this.ParentNode).Spec;
}
foreach (WebDom.CssPropertyDeclaration propDecl in parsedRuleSet.GetAssignmentIter())
{
SpecSetter.AssignPropertyValue(
_boxSpec,
spec,
propDecl);
}
CssParserPool.ReleaseParser(ref miniCssParser);
}
break;
}
}
public override void SetAttribute(DomAttribute attr)
{
base.SetAttribute(attr); //to base
//----------------------
switch ((WellknownName)attr.LocalNameIndex)
{
case WellknownName.Src:
{
switch (this.WellknownElementName)
{
case WellKnownDomNodeName.img:
{
if (_principalBox != null)
{
CssBoxImage boxImg = (CssBoxImage)_principalBox;
boxImg.ImageBinder = new ImageBinder(attr.Value);
boxImg.InvalidateGraphics();
}
}
break;
}
}
break;
case WellknownName.Style:
{
//TODO: parse and evaluate style here
//****
WebDom.Parser.CssParser miniCssParser = CssParserPool.GetFreeParser();
//parse and evaluate the ruleset
CssRuleSet parsedRuleSet = miniCssParser.ParseCssPropertyDeclarationList(attr.Value.ToCharArray());
Css.BoxSpec spec = null;
if (this.ParentNode != null)
{
spec = ((HtmlElement)this.ParentNode).Spec;
}
foreach (WebDom.CssPropertyDeclaration propDecl in parsedRuleSet.GetAssignmentIter())
{
SpecSetter.AssignPropertyValue(
_boxSpec,
spec,
propDecl);
}
CssParserPool.ReleaseParser(ref miniCssParser);
}
break;
}
}
void ApplyStyleSheetForSingleHtmlElement(
HtmlElement element,
BoxSpec parentSpec,
TopDownActiveCssTemplate activeCssTemplate)
{
BoxSpec curSpec = element.Spec;
BoxSpec.InheritStyles(curSpec, parentSpec);
//--------------------------------
string classValue = null;
if (element.HasAttributeClass)
{
classValue = element.AttrClassValue;
}
//--------------------------------
//1. apply style
activeCssTemplate.ApplyCacheTemplate(element.LocalName,
classValue,//class
curSpec,
parentSpec);
//-------------------------------------------------------------------
//2. specific id
if (element.HasAttributeElementId)
{
// element.ElementId;
activeCssTemplate.ApplyActiveTemplateForSpecificElementId(element);
}
//3. some html translate attributes
if (element.WellknownElementName != WellKnownDomNodeName.svg)
{
//translate svg attributes
AssignStylesFromTranslatedAttributesHTML5(element);
}
else
{
AssignSvgAttributes(element);
}
//-------------------------------------------------------------------
//4. style attribute value
//'style' object of this element
if (!element.IsStyleEvaluated)
{
CssRuleSet parsedRuleSet = null;
string attrStyleValue;
if (element.TryGetAttribute(WellknownName.Style, out attrStyleValue))
{
//parse and evaluate the ruleset
parsedRuleSet = _miniCssParser.ParseCssPropertyDeclarationList(attrStyleValue.ToCharArray());
foreach (WebDom.CssPropertyDeclaration propDecl in parsedRuleSet.GetAssignmentIter())
{
SpecSetter.AssignPropertyValue(
curSpec,
parentSpec,
propDecl);
}
}
else
{
}
//----------------------------------------------------------------
element.IsStyleEvaluated = true;
element.ElementRuleSet = parsedRuleSet;
}
else
{
var elemRuleSet = element.ElementRuleSet;
if (elemRuleSet != null)
{
if (curSpec.IsFreezed)
{
curSpec.Defreeze();
//var newspec = new BoxSpec();
//BoxSpec.CloneAllStyles(newspec, curSpec);
//curSpec = newspec;
//element.Spec = curSpec;
}
foreach (WebDom.CssPropertyDeclaration propDecl in elemRuleSet.GetAssignmentIter())
{
SpecSetter.AssignPropertyValue(
curSpec,
parentSpec,
propDecl);
}
}
}
//=====================
curSpec.Freeze(); //***
//=====================
}
