/// <summary>
/// Parse color property to add only valid color.
/// </summary>
/// <param name="propName">the name of the css property to add</param>
/// <param name="propValue">the value of the css property to add</param>
/// <param name="properties">the properties collection to add to</param>
private static void ParseColorProperty(string propName, string propValue, Dictionary <string, string> properties)
{
if (CssValueParser.IsColorValid(propValue))
{
properties[propName] = propValue;
}
}
/// <summary>
/// Parse length property to add only valid lengths.
/// </summary>
/// <param name="propName">the name of the css property to add</param>
/// <param name="propValue">the value of the css property to add</param>
/// <param name="properties">the properties collection to add to</param>
private static void ParseLengthProperty(string propName, string propValue, Dictionary <string, string> properties)
{
if (CssValueParser.IsValidLength(propValue) ||
propValue.Equals(CssConstants.Auto, StringComparison.OrdinalIgnoreCase))
{
properties[propName] = propValue;
}
}
/// <summary>
/// Parse a complex border property value that contains multiple css properties into specific css properties.
/// </summary>
/// <param name="propValue">the value of the property to parse to specific values</param>
/// <param name="direction">the left, top, right or bottom direction of the border to parse</param>
/// <param name="properties">the properties collection to add the specific properties to</param>
private static void ParseBorderProperty(string propValue, string direction,
Dictionary <string, string> properties)
{
string borderWidth;
string borderStyle;
string borderColor;
CssValueParser.ParseBorder(propValue, out borderWidth, out borderStyle, out borderColor);
if (direction != null)
{
if (borderWidth != null)
{
properties["border" + direction + "-width"] = borderWidth;
}
if (borderStyle != null)
{
properties["border" + direction + "-style"] = borderStyle;
}
if (borderColor != null)
{
properties["border" + direction + "-color"] = borderColor;
}
}
else
{
if (borderWidth != null)
{
ParseBorderWidthProperty(borderWidth, properties);
}
if (borderStyle != null)
{
ParseBorderStyleProperty(borderStyle, properties);
}
if (borderColor != null)
{
ParseBorderColorProperty(borderColor, properties);
}
}
}
/// <summary>
/// Set the selected text style (selection text color and background color).
/// </summary>
/// <param name="htmlContainer"> </param>
/// <param name="cssData">the style data</param>
private static void SetTextSelectionStyle(HtmlContainer htmlContainer, CssData cssData)
{
htmlContainer.SelectionForeColor = Color.Empty;
htmlContainer.SelectionBackColor = Color.Empty;
if (cssData.ContainsCssBlock("::selection"))
{
IEnumerable <CssBlock> blocks = cssData.GetCssBlock("::selection");
foreach (CssBlock block in blocks)
{
if (block.Properties.ContainsKey("color"))
{
htmlContainer.SelectionForeColor = CssValueParser.GetActualColor(block.Properties["color"]);
}
if (block.Properties.ContainsKey("background-color"))
{
htmlContainer.SelectionBackColor =
CssValueParser.GetActualColor(block.Properties["background-color"]);
}
}
}
}