internal override void FromHtml(IElement element)
{
base.FromHtml(element);
var div = element.GetElementsByTagName("div").Where(a => a.HasAttribute(TextRteAttribute)).FirstOrDefault();
if (div != null)
{
this.rte = div.GetAttribute(TextRteAttribute);
}
else
{
// supporting updated rendering of Text controls, no nested DIV tag with the data-sp-rte attribute...so HTML content is embedded at the root
this.rte = "";
div = element;
}
// By default simple plain text is wrapped in a Paragraph, need to drop it to avoid getting multiple paragraphs on page edits.
// Only drop the paragraph tag when there's only one Paragraph element underneath the DIV tag
if ((div.FirstChild != null && (div.FirstChild as IElement) != null && (div.FirstChild as IElement).TagName.Equals("P", StringComparison.InvariantCultureIgnoreCase)) &&
(div.ChildElementCount == 1))
{
this.Text = (div.FirstChild as IElement).InnerHtml;
}
else
{
this.Text = div.InnerHtml;
}
// load data from the data-sp-controldata attribute
var jsonSerializerSettings = new JsonSerializerSettings()
{
MissingMemberHandling = MissingMemberHandling.Ignore
};
this.spControlData = JsonConvert.DeserializeObject <ClientSideTextControlData>(element.GetAttribute(CanvasControl.ControlDataAttribute), jsonSerializerSettings);
this.controlType = this.spControlData.ControlType;
}
/// <summary>
/// Converts this <see cref="ClientSideText"/> control to it's html representation
/// </summary>
/// <param name="controlIndex">The sequence of the control inside the section</param>
/// <returns>Html representation of this <see cref="ClientSideText"/> control</returns>
public override string ToHtml(float controlIndex)
{
// Can this control be hosted in this section type?
if (this.Section.Type == CanvasSectionTemplate.OneColumnFullWidth)
{
throw new Exception("You cannot host text controls inside a one column full width section, only an image web part or hero web part are allowed");
}
// Obtain the json data
ClientSideTextControlData controlData = new ClientSideTextControlData()
{
ControlType = this.ControlType,
Id = this.InstanceId.ToString("D"),
Position = new ClientSideCanvasControlPosition()
{
ZoneIndex = this.Section.Order,
SectionIndex = this.Column.Order,
SectionFactor = this.Column.ColumnFactor,
LayoutIndex = this.Column.LayoutIndex,
ControlIndex = controlIndex,
},
Emphasis = new ClientSideSectionEmphasis()
{
ZoneEmphasis = this.Column.VerticalSectionEmphasis.HasValue ? this.Column.VerticalSectionEmphasis.Value : this.Section.ZoneEmphasis,
},
EditorType = "CKEditor"
};
if (this.section.Type == CanvasSectionTemplate.OneColumnVerticalSection)
{
if (this.section.Columns.First().Equals(this.Column))
{
controlData.Position.SectionFactor = 12;
}
}
jsonControlData = JsonConvert.SerializeObject(controlData);
try
{
var nodeList = new HtmlParser().ParseFragment(this.Text, null);
this.previewText = string.Concat(nodeList.Select(x => x.Text()));
}
catch { }
StringBuilder html = new StringBuilder(100);
html.Append($@"<div {CanvasControlAttribute}=""{this.CanvasControlData}"" {CanvasDataVersionAttribute}=""{ this.DataVersion}"" {ControlDataAttribute}=""{this.jsonControlData.Replace("\"", """)}"">");
html.Append($@"<div {TextRteAttribute}=""{this.Rte}"">");
if (this.Text.Trim().StartsWith("<p>", StringComparison.InvariantCultureIgnoreCase))
{
html.Append(this.Text);
}
else
{
html.Append($@"<p>{this.Text}</p>");
}
html.Append("</div>");
html.Append("</div>");
return(html.ToString());
}