/// <summary>
/// Creates a new rule and adds them to the given style element.
/// </summary>
/// <param name="styleElement">The style element the new rule will be added to.</param>
/// <param name="ruleName">The name of the rule, including preceding signs (. for class, # for ID).</param>
/// <param name="rule">The rule content, e.g. "font-family: Verdana" (without quotes and braces).</param>
public StyleRule(StyleElement styleElement, string ruleName, string rule)
{
int insertedRule = ((Interop.IHTMLStyleElement)styleElement.GetBaseElement()).styleSheet.AddRule(ruleName, " ", 0);
// if succeeded, synchronize content
Interop.IHTMLStyleSheetRulesCollection rules = ((Interop.IHTMLStyleElement)styleElement.GetBaseElement()).styleSheet.GetRules() as Interop.IHTMLStyleSheetRulesCollection;
if (rules == null)
{
throw new ArgumentException("Cannot create style rule");
}
if (insertedRule >= 0)
{
styleRule = (Interop.IHTMLRuleStyle)rules.Item(insertedRule).GetStyle();
RuleName = ruleName;
}
else
{
for (int i = 0; i < rules.GetLength(); i++)
{
Interop.IHTMLStyleSheetRule rulestyle = rules.Item(i);
if (ruleName.Equals(rulestyle.GetSelectorText()))
{
styleRule = rulestyle.GetStyle();
styleRule.cssText = rule;
RuleName = ruleName;
break;
}
}
}
}
static internal IStyleRule[] AddRuleFromCollection(string selectorType, Interop.IHTMLStyleSheetRulesCollection rules)
{
ArrayList selector = new ArrayList();
for (int i = 0; i < rules.GetLength(); i++)
{
Interop.IHTMLStyleSheetRule rule = (Interop.IHTMLStyleSheetRule)rules.Item(i);
if (rule.GetSelectorText().Length == 0)
{
continue;
}
IStyleRule sr = new StyleRule(rule);
if (selectorType == null || selectorType.Equals(String.Empty))
{
selector.Add(sr);
continue;
}
// first char determines type (. = class, # = id, @ = pseudo)
if (selectorType == "." && rule.GetSelectorText()[0].Equals('.'))
{
selector.Add(sr); //rule.GetSelectorText().Substring(1)
continue;
}
if (selectorType == "#" && rule.GetSelectorText()[0].Equals('#'))
{
selector.Add(sr); // rule.GetSelectorText().Substring(1)
continue;
}
if (selectorType == "@" && rule.GetSelectorText()[0].Equals('@'))
{
selector.Add(sr); //rule.GetSelectorText().Substring(1)
continue;
}
if (selectorType.ToLower().Equals(rule.GetSelectorText().ToLower()))
{
selector.Add(sr); //rule.GetSelectorText().Substring(1)
continue;
}
}
IStyleRule[] stylerules = new IStyleRule[selector.Count];
Array.Copy(selector.ToArray(), stylerules, selector.Count);
return(stylerules);
}
/// <summary>
/// Creates the viewlink document.
/// </summary>
private void CreateControlView()
{
Interop.IHTMLDocument2 originDocument = (Interop.IHTMLDocument2)Element.GetDocument();
Interop.IHTMLElement htmlElement = originDocument.CreateElement("HTML");
Interop.IHTMLElement headElement = originDocument.CreateElement("HEAD");
Interop.IHTMLElement bodyElement = originDocument.CreateElement("BODY");
((Interop.IHTMLElement2)htmlElement).InsertAdjacentElement("beforeBegin", headElement);
((Interop.IHTMLElement2)htmlElement).InsertAdjacentElement("afterBegin", bodyElement);
_viewElement = bodyElement;
_viewElement.SetAttribute("tabIndex", 1000, 0);
baseDocument = (Interop.IHTMLDocument)_viewElement.GetDocument();
try
{
elementDefaults = ((Interop.IElementBehaviorSiteOM2)_behaviorSite).GetDefaults();
}
catch
{
throw new ApplicationException("Wrong usage - acces to not properly attached master element");
}
XmlElementDesigner elementDesigner = Designer as XmlElementDesigner;
if (_control == null || elementDesigner == null)
{
_viewElement.SetInnerHTML(String.Format(@"<div style=""border:dotted 1px red;background:Silver;width:220px;height:40px""><b>Error</b>: Element does not have a Designer attached (Element {0}:{1})</div>",
((Interop.IHTMLElement2)_element).GetScopeName(),
_element.GetTagName()));
((Interop.IHTMLDocument2)baseDocument).SetDesignMode("Off");
elementDefaults.SetViewLink(baseDocument);
return;
}
else
{
_viewElement.SetInnerHTML(elementDesigner.GetDesignTimeHtml());
elementDefaults.SetViewLink(baseDocument);
}
//done, set reference
_control.ViewElementDefaults = elementDefaults;
// end commands do basic document
if (elementDesigner.DisableEditFocus)
{
//System.Threading.ThreadPool.QueueUserWorkItem(ExecuteCommand, (int)Interop.IDM.DISABLE_EDITFOCUS_UI);
}
// get viewlink specific properties from control element
elementDefaults.SetFrozen(elementDesigner.FrozenEvents); // true = event handler returns only master; false = event returns designtime html
((Interop.IHTMLElement3)_viewElement).contentEditable = InheritedDesignModeEnabled(_control.ContentEditable) ? "true" : "false";
elementDefaults.SetViewMasterTab(elementDesigner.ViewMasterTab);
elementDefaults.SetTabStop(elementDesigner.TabStop);
elementDefaults.SetCanHaveHTML(elementDesigner.CanHaveHtml);
elementDefaults.SetIsMultiLine(true);
Interop.IHTMLStyle style = ((Interop.IHTMLElement2)_viewElement).GetRuntimeStyle();
ElementStyle runtimeStyle = new ElementStyle(style);
elementDesigner.SetRuntimeStyle(runtimeStyle);
// assure that we don't see any unexpected scrollbars during resize operations
((Interop.IHTMLElement2)_element).GetRuntimeStyle().SetOverflow("hidden");
object w = ((Interop.IHTMLElement)_element).GetStyle().GetWidth();
elementDesigner.OnSetComponentDefaults();
try
{
Interop.IHTMLDocument2 baseDocument2 = (Interop.IHTMLDocument2)baseDocument;
int numSheets = 0;
Interop.IHTMLStyleSheetsCollection baseDocumentStylesheets = originDocument.GetStyleSheets();
if (baseDocumentStylesheets != null)
{
numSheets = baseDocumentStylesheets.Length;
}
for (int j = 0; j < numSheets; j++)
{
object local = j;
Interop.IHTMLStyleSheet sheetItem = (Interop.IHTMLStyleSheet)baseDocumentStylesheets.Item(local);
if (sheetItem != null)
{
int k = 0;
Interop.IHTMLStyleSheetRulesCollection rules = sheetItem.GetRules();
if (rules != null)
{
k = rules.GetLength();
}
if (k != 0)
{
Interop.IHTMLStyleSheet newSheet = baseDocument2.CreateStyleSheet(String.Empty, 0);
for (int i2 = 0; i2 < k; i2++)
{
Interop.IHTMLStyleSheetRule newRule = rules.Item(i2);
if (newRule != null)
{
string selector = newRule.GetSelectorText();
string content = newRule.GetStyle().cssText;
newSheet.AddRule(selector, content, i2);
}
}
}
}
}
}
catch (Exception)
{
}
// once we have the viewlink created, establish a backlink
elementDesigner.AssociatedViewLink = this;
}
internal StyleRule(Interop.IHTMLStyleSheetRule rule)
{
nativeRule = rule;
RuleName = rule.GetSelectorText();
styleRule = rule.GetStyle();
}
