Ejemplo n.º 1
0
        //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);
            //----------------------------------------------------------------
        }
Ejemplo n.º 2
0
 public override void ClearAllElements()
 {
     //clear presentation
     if (_principalBox != null)
     {
         _principalBox.Clear();
     }
     base.ClearAllElements();
 }
Ejemplo n.º 3
0
        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);
        }