/// <include file='doc\StyleBuilderForm.uex' path='docs/doc[@for="StyleBuilderForm.SaveStringStyle"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
protected void SaveStringStyle()
{
Debug.Assert(styleType == STYLE_TYPE_STRING,
"SaveStringStyle must be called only when editing a string");
Debug.Assert(editingStyle[0].GetPeerStyle() is IHTMLRuleStyle,
"Unexpected peer style for wrapper style");
IHTMLRuleStyle style = (IHTMLRuleStyle)editingStyle[0].GetPeerStyle();
styleObject = style.GetCssText();
if (styleObject == null)
{
styleObject = "";
}
}
/// <include file='doc\StyleBuilderForm.uex' path='docs/doc[@for="StyleBuilderForm.InitStyle"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
protected void InitStyle()
{
string styleValue = null;
editingStyle = new IStyleBuilderStyle[1];
switch (styleType)
{
case STYLE_TYPE_STRING:
if (preview != null)
{
IHTMLRuleStyle parseStyle = preview.GetParseStyleRule();
if (parseStyle != null)
{
styleValue = (string)styleObject;
parseStyle.SetCssText(styleValue);
editingStyle[0] = new CSSRuleStyle(parseStyle);
}
}
break;
case STYLE_TYPE_INLINESTYLE:
{
IHTMLStyle style = (IHTMLStyle)styleObject;
styleValue = style.GetCssText();
editingStyle[0] = new CSSInlineStyle(style);
}
break;
case STYLE_TYPE_RULESTYLE:
{
IHTMLRuleStyle style = (IHTMLRuleStyle)styleObject;
styleValue = style.GetCssText();
editingStyle[0] = new CSSRuleStyle(style);
}
break;
}
if (styleValue != null)
{
preview.SetSharedElementStyle(styleValue);
}
}
///////////////////////////////////////////////////////////////////////
// Methods
public virtual bool InitPreview(string baseUrl)
{
bool result = false;
IHTMLStyleSheet previewStyleSheet;
IHTMLStyleSheetRulesCollection rulesCollection;
IHTMLStyleSheetRule style;
IHTMLElement documentElem;
IHTMLBodyElement bodyElem;
try {
if ((baseUrl != null) && (baseUrl.Length != 0))
{
SetBaseHref(baseUrl);
}
previewStyleSheet = previewDocument.CreateStyleSheet("", 0);
if (previewStyleSheet == null)
{
throw new Exception("Failed to create preview style sheet");
}
previewStyleSheet.SetCssText(PREVIEW_CSS);
documentElem = previewDocument.GetBody();
if (documentElem == null)
{
throw new Exception("Failed to get body element from preview");
}
documentElem.SetInnerHTML(PREVIEW_HTML);
bodyElem = (IHTMLBodyElement)documentElem;
bodyElem.SetScroll("no");
previewElement = GetElement("divPreview");
if (previewElement == null)
{
throw new Exception("Failed to get preview element");
}
sharedElement = GetElement("divShared");
if (sharedElement == null)
{
throw new Exception("Failed to get shared element");
}
rulesCollection = previewStyleSheet.GetRules();
if (rulesCollection == null)
{
throw new Exception("Failed to get style rules collection");
}
style = (IHTMLStyleSheetRule)rulesCollection.Item(0);
if (style == null)
{
throw new Exception("Failed to get style rule for parsing");
}
parseStyle = style.GetStyle();
if (parseStyle == null)
{
throw new Exception("Failed to get rule's style");
}
result = true;
}
catch (Exception e) {
Debug.Fail(e.ToString());
previewDocument = null;
}
return(result);
}
public virtual void ClosePreview()
{
parseStyle = null;
previewElement = null;
previewDocument = null;
}
///////////////////////////////////////////////////////////////////////////
// Constructor
/// <include file='doc\CSSRuleStyle.uex' path='docs/doc[@for="CSSRuleStyle.CSSRuleStyle"]/*' />
/// <devdoc>
/// Creates a new CSSRuleStyle wrapping the specified style
/// </devdoc>
public CSSRuleStyle(IHTMLRuleStyle style)
{
Debug.Assert(style != null, "Null style used for CSSRuleStyle");
this.style = style;
}
