public Task SetValueAsync(string value)
{
var script = $"var obj = {JavaScriptSnippets.GetFindScript(_xpath)}[0];" +
$"obj.value = '{value}';";
return(ExecuteScriptAsync(script));
}
public async Task FindAsync()
{
await IncludeJQueryToPageAsync().ConfigureAwait(false);
var script = JavaScriptSnippets.GetFindScript(_xpath) + ".length;";
await ExecuteScriptAsync(script, Continuation).ConfigureAwait(false);
void Continuation(Task <JavascriptResponse> t)
{
if (t.IsFaulted)
{
return;
}
var response = t.Result;
if (response.Success && int.TryParse(response.Result?.ToString(), out int count) && count > 0)
{
IsNull = false;
}
else
{
IsNull = true;
}
}
}
public async Task <string> DrawToBitmapAsync()
{
var html2Canvas = JavaScriptSnippets.GetHtml2Canvas();
await ExecuteScriptAsync(html2Canvas).ConfigureAwait(false);
var html2CanvasPlugin = JavaScriptSnippets.GetHtml2CanvasPluginForJQuery();
await ExecuteScriptAsync(html2CanvasPlugin).ConfigureAwait(false);
var script = JavaScriptSnippets.GetHtmlElementCapture(_xpath);
string base64 = null;
await ExecuteScriptAsync(script).ConfigureAwait(false);
await Task.Delay(1000).ConfigureAwait(false); //Wait canvas rendering
string getBase64Script = "document.htmlElementBase64;";
await ExecuteScriptAsync(getBase64Script, Continuation).ConfigureAwait(false);
return(base64);
void Continuation(Task <JavascriptResponse> task)
{
if (!task.IsFaulted)
{
var response = task.Result;
base64 = response.Result?.ToString();
}
}
}
public Task SetAttributeAsync(string attrName, string attrValue)
{
if (attrName.ToLower() == "value")
{
return(SetValueAsync(attrValue));
}
var script = $"var obj = {JavaScriptSnippets.GetFindScript(_xpath)}[0];" +
$"obj.setAttribute('{attrName}','{attrValue}');";
return(ExecuteScriptAsync(script));
}
public async Task <string> GetValueAsync()
{
var script = $"{JavaScriptSnippets.GetFindScript(_xpath)}[0].value;";
string result = null;
await ExecuteScriptAsync(script, Continuation).ConfigureAwait(false);
return(result);
void Continuation(Task <JavascriptResponse> t)
{
if (t.IsFaulted)
{
return;
}
var response = t.Result;
result = response.Result?.ToString();
}
}
public async Task <string> GetAttributeAsync(string attrName)
{
var script = $"var obj = {JavaScriptSnippets.GetFindScript(_xpath)}[0];" +
$"obj.getAttribute('{attrName}');";
string result = null;
await ExecuteScriptAsync(script, Continuation).ConfigureAwait(false);
return(result);
void Continuation(Task <JavascriptResponse> t)
{
if (t.IsFaulted)
{
return;
}
var response = t.Result;
result = response.Result?.ToString();
}
}
public async Task <List <IWebElement> > FindChildrenByXPathAsync(string xpath)
{
var parentXpath = _xpath;
var childXpath = parentXpath + xpath;
await IncludeJQueryToPageAsync().ConfigureAwait(false);
var script = JavaScriptSnippets.GetFindScript(childXpath) + ".length";
int childrenCount = 0;
await ExecuteScriptAsync(script, GetChildrenCountCallback).ConfigureAwait(false);
var children = new List <IWebElement>();
var tasks = new List <Task>();
for (int i = 1; i <= childrenCount; i++)
{
var child = new WebElement(_browser, $"({childXpath})[{i}]");
tasks.Add(child.FindAsync());
children.Add(child);
}
await Task.WhenAll(tasks).ConfigureAwait(false);
return(children);
void GetChildrenCountCallback(Task <JavascriptResponse> task)
{
if (!task.IsFaulted)
{
var response = task.Result;
int.TryParse(response.Result?.ToString(), out int count);
childrenCount = count;
}
}
}
public Task ClickAsync()
{
var script = "var obj = " + JavaScriptSnippets.GetFindScript(_xpath) + "; obj.click()";
return(ExecuteScriptAsync(script));
}
private Task IncludeJQueryToPageAsync()
{
var script = JavaScriptSnippets.GetJQuery();
return(ExecuteScriptAsync(script));
}
public Task ScrollIntoViewAsync()
{
var script = $"{JavaScriptSnippets.GetFindScript(_xpath)}[0].scrollIntoView();";
return(ExecuteScriptAsync(script));
}
public Task RiseEventAsync(string eventName)
{
var script = $"var obj = {JavaScriptSnippets.GetFindScript(_xpath)}[0]; $(obj).trigger('{eventName}');";
return(ExecuteScriptAsync(script));
}
public Snippets(ZoliloPage page)
{
this.page = page;
this.javascript = new JavaScriptSnippets(this);
}
