/// <summary>
/// 获取CSS Selector(当包含上下文的时候调用此方法)
/// http://stackoverflow.com/questions/3390396/how-to-check-for-undefined-in-javascript
/// </summary>
/// <param name="element"></param>
public string GetContextSelector(mshtml.IHTMLElement context, mshtml.IHTMLElement element)
{
SetContextSelector(context);
var originalId = element.id;
if (string.IsNullOrEmpty(originalId))
{
var id = "__" + IEUtils.IEVariableNameHelper.CreateVariableName();
element.id = id;
}
mshtml.IHTMLWindow2 parentWindow = ((IHTMLDocument2)(element.document)).parentWindow as mshtml.IHTMLWindow2;
IEUtils.RunScript(ScriptLoader.GetJquerySelector(""), parentWindow);
StringBuilder sb = new StringBuilder();
sb.Append(string.Format("var el = $jq('#{0}');", element.id));
sb.AppendLine();
sb.Append("if(typeof __context == 'undefined'){");
sb.AppendLine();
sb.Append("__context = '';");
sb.AppendLine();
sb.Append("}");
sb.AppendLine();
sb.Append(" var selector = el.getCssPath(__context);");
sb.AppendLine();
sb.Append("__context = 'undefined';");
sb.Append("return selector");
object result = JS.FunEval(AppContext.Current.Window, sb.ToString());
element.id = originalId;
return(result == null ? "" : result.ToString());
}
/// <summary>
/// 获取CSS Selector(当包含上下文的时候调用此方法)
/// http://stackoverflow.com/questions/3390396/how-to-check-for-undefined-in-javascript
/// </summary>
/// <param name="element"></param>
public void SetSelector(mshtml.IHTMLElement element)
{
var originalId = element.id;
if (string.IsNullOrEmpty(originalId))
{
var id = "__" + IEUtils.IEVariableNameHelper.CreateVariableName();
element.id = id;
}
mshtml.IHTMLWindow2 parentWindow = ((IHTMLDocument2)(element.document)).parentWindow as mshtml.IHTMLWindow2;
IEUtils.RunScript(ScriptLoader.GetJquerySelector(""), parentWindow);
StringBuilder sb = new StringBuilder();
sb.Append(string.Format("var el = $jq('#{0}');", element.id));
sb.AppendLine();
sb.Append("if(typeof __context == 'undefined'){");
sb.AppendLine();
sb.Append("__context = '';");
sb.AppendLine();
sb.Append("}");
sb.AppendLine();
sb.Append(" var selector = el.getCssPath(__context);");
sb.AppendLine();
sb.Append("el.attr('__selector', selector);");
//sb.Append("alert(el.attr('__selector'));");
//sb.AppendLine();
IEUtils.RunScript(sb.ToString(), parentWindow);
element.id = originalId;
}
public FrmMap(FrmMain aParent)
{
InitializeComponent();
// 添加本实例指定的JS代码
this.wbMap.JsCode = MapHelper.GetMainMap();
mParent = aParent;
IEUtils.SetWebBrowserFeatures();
}
/// <summary>
/// 运行脚本
/// </summary>
/// <param name="script"></param>
/// <param name="isInjectJquery">是否需要注入jquery</param>
public void RunScript(string script, bool isInjectJquery)
{
var el = this.GetIHTMLElement();
mshtml.IHTMLWindow2 parentWindow = ((IHTMLDocument2)(el.document)).parentWindow as mshtml.IHTMLWindow2;
if (isInjectJquery)
{
IEUtils.RunScript(ScriptLoader.GetJqueryInstallScript(), parentWindow);
}
IEUtils.RunScript(script, parentWindow);
}
/// <summary>
/// 还原当前页面SESSION
/// </summary>
static public void RestorePageSession(this Browser browser)
{
RequireJQueryInstall(browser);
string fileName = browser.Uri.Host;
fileName = Path.Combine(Environment.GetFolderPath(
Environment.SpecialFolder.ApplicationData), string.Format("{0}.session", fileName));
StreamReader sw = null;
string session = "";
if (!File.Exists(fileName))
{
return;
}
try
{
sw = new StreamReader(fileName);
session = sw.ReadToEnd();
}
finally
{
if (sw != null)
{
sw.Close();
}
}
string code = @"
var obj = " + session + @";
return obj.url;
";
object url = JS.FunEval(browser, code);
if (url != null)
{
//先打开原始页面
browser.GoTo(url.ToString());
//回复FORM内容
code = @"
var obj =" + session + @";
$jq('form').deserialize(obj.form);
";
IEUtils.RunScript(code, GetWindows(browser));
browser.AttachToIE();
}
}
/// <summary>
/// 设置上下文变量(__context)
/// </summary>
/// <param name="element"></param>
private void SetContextSelector(mshtml.IHTMLElement element)
{
var originalId = element.id;
if (string.IsNullOrEmpty(originalId))
{
var id = "__" + IEUtils.IEVariableNameHelper.CreateVariableName();
element.id = id;
}
mshtml.IHTMLWindow2 parentWindow = ((IHTMLDocument2)(element.document)).parentWindow as mshtml.IHTMLWindow2;
StringBuilder sb = new StringBuilder();
sb.Append(string.Format("__context = $jq('#{0}');", element.id));
IEUtils.RunScript(ScriptLoader.GetJqueryInstallScript(), parentWindow);
IEUtils.RunScript(sb.ToString(), parentWindow);
element.id = originalId;
}
public override INativeDocument OnGetNativeDocument()
{
return(new IEDocument(IEUtils.IEDOMFromhWnd(hwnd)));
}
static public void RequireJQueryInstall(this Browser browser)
{
mshtml.IHTMLDocument2 doc = ((IEDocument)(browser.DomContainer.NativeDocument)).HtmlDocument;
IEUtils.RunScript(ScriptLoader.GetJqueryInstallScript(), doc.parentWindow);
}
