//public CssBox BuildCssRenderTree(
// HtmlElement hostElement,
// HtmlElement domElement,
// RenderElement containerElement)
//{
// var rootgfx = containerElement.Root;
// IFonts ifonts = rootgfx.SampleIFonts;
// HtmlDocument htmldoc = domElement.OwnerDocument as HtmlDocument;
// HtmlElement startAtHtmlElement = (HtmlElement)domElement;
// htmldoc.SetDocumentState(DocumentState.Building);
// TopDownActiveCssTemplate activeTemplate = new TopDownActiveCssTemplate(htmldoc.CssActiveSheet);
// PrepareStylesAndContentOfChildNodes(startAtHtmlElement, activeTemplate);
// //1.css box for doc root: create new if not exist
// CssBox docRoot = HtmlElement.InternalGetPrincipalBox((HtmlElement)htmldoc.RootNode);
// if (docRoot == null)
// {
// docRoot = HtmlHost.CreateBridgeBox(ifonts, containerElement, rootgfx);
// ((HtmlElement)htmldoc.RootNode).SetPrincipalBox(docRoot);
// }
// //----------------------------------------------------------------
// CssBox bridgeBox = HtmlHost.CreateBridgeBox(ifonts, containerElement, rootgfx);
// docRoot.AppendChild(bridgeBox);
// domElement.SetPrincipalBox(bridgeBox);
// //----------------------------------------------------------------
// this.htmlHost.UpdateChildBoxes(startAtHtmlElement, true);
// htmldoc.SetDocumentState(DocumentState.Idle);
// //----------------------------------------------------------------
// //SetTextSelectionStyle(htmlCont, cssData);
// return bridgeBox;
//}
//----------------------------------------------------------------
public void RefreshCssTree(DomElement startAt)
{
HtmlElement startAtElement = (HtmlElement)startAt;
startAtElement.OwnerDocument.SetDocumentState(DocumentState.Building);
//----------------------------------------------------------------
//clear active template
TopDownActiveCssTemplate activeTemplate = new TopDownActiveCssTemplate(((HtmlDocument)startAtElement.OwnerDocument).CssActiveSheet);
PrepareStylesAndContentOfChildNodes(startAtElement, activeTemplate);
CssBox existingCssBox = HtmlElement.InternalGetPrincipalBox(startAtElement);
if (existingCssBox != null)
{
existingCssBox.Clear();
}
//----------------------------------------------------------------
this.htmlHost.UpdateChildBoxes(startAtElement, false);
startAtElement.OwnerDocument.SetDocumentState(DocumentState.Idle);
//----------------------------------------------------------------
}
public override void ClearAllElements()
{
//clear presentation
if (_principalBox != null)
{
_principalBox.Clear();
}
base.ClearAllElements();
}
CssBox CreateSelectBox(HtmlElement htmlElem,
CssBox parentBox,
BoxSpec spec,
HtmlHost host)
{
//https://www.w3schools.com/html/html_form_elements.asp
//1. as drop-down list
//2. as list-box
htmlElem.HasSpecialPresentation = true;
//
LayoutFarm.HtmlWidgets.HingeBox hingeBox = new LayoutFarm.HtmlWidgets.HingeBox(100, 30); //actual controller
foreach (DomNode childNode in htmlElem.GetChildNodeIterForward())
{
WebDom.Impl.HtmlElement childElem = childNode as WebDom.Impl.HtmlElement;
if (childElem != null)
{
//find a value
//if (childElem.WellknownElementName == WellKnownDomNodeName.option)
//{
// WebDom.IHtmlOptionElement option = childElem as WebDom.IHtmlOptionElement;
// if (option != null)
// {
// }
// //DomAttribute domAttr = childElem.FindAttribute("value");
// //if (domAttr != null)
// //{
// // childElem.Tag = domAttr.Value;
// //}
//}
hingeBox.AddItem(childElem);
}
}
HtmlElement hingeBoxDom = hingeBox.GetPresentationDomNode(htmlElem);
CssBox cssHingeBox = host.CreateCssBox(parentBox, hingeBoxDom, true); //create and append to the parentBox
//
hingeBoxDom.SetSubParentNode(htmlElem);
cssHingeBox.IsReplacement = true;
htmlElem.SpecialPresentationUpdate = (o) =>
{
if (hingeBox.NeedUpdateDom)
{
cssHingeBox.Clear();
host.UpdateChildBoxes(hingeBoxDom, false);
}
};
#if DEBUG
//cssHingeBox.dbugMark1 = 1;
#endif
return(cssHingeBox);
}