public void CommandResolver_Valid_SimpleTest()
{
var path = new[] { "A[0]" };
var command = "Test(StringToPass, _parent.NumberToPass)";
var testObject = new
{
A = new[]
{
new TestA() { StringToPass = "******" }
},
NumberToPass = 16
};
var viewRoot = new RedwoodView() { DataContext = testObject };
viewRoot.SetBinding(Validate.TargetProperty, new ValueBindingExpression("_root"));
var placeholder = new HtmlGenericControl("div");
placeholder.SetBinding(RedwoodBindableControl.DataContextProperty, new ValueBindingExpression(path[0]));
viewRoot.Children.Add(placeholder);
var button = new Button();
button.SetBinding(ButtonBase.ClickProperty, new CommandBindingExpression(command));
placeholder.Children.Add(button);
var resolver = new CommandResolver();
var context = new RedwoodRequestContext() { ViewModel = testObject };
context.ModelState.ValidationTargetPath = KnockoutHelper.GetValidationTargetExpression(button, true);
resolver.GetFunction(viewRoot, context, path, command).GetAction()();
Assert.AreEqual(testObject.NumberToPass, testObject.A[0].ResultInt);
Assert.AreEqual(testObject.A[0].ResultString, testObject.A[0].ResultString);
}
public static void WriteRouteLinkHrefAttribute(string routeName, HtmlGenericControl control, IHtmlWriter writer, RenderContext context)
{
if (!control.RenderOnServer)
{
writer.AddKnockoutDataBind("attr", "{ href: " + GenerateKnockoutHrefExpression(routeName, control, context) + "}");
}
else
{
writer.AddAttribute("href", EvaluateRouteUrl(routeName, control, context));
}
}
public static string GenerateKnockoutHrefExpression(string routeName, HtmlGenericControl control, RenderContext context)
{
var link = GenerateRouteLinkCore(routeName, control, context);
if ((bool)control.GetValue(Internal.IsSpaPageProperty))
{
return string.Format("'#!/' + {0}", link);
}
else
{
return string.Format("'{0}' + {1}", context.RequestContext.TranslateVirtualPath("~/"), link);
}
}
public static string EvaluateRouteUrl(string routeName, HtmlGenericControl control, RenderContext context)
{
var coreUrl = GenerateRouteUrlCore(routeName, control, context);
if ((bool)control.GetValue(Internal.IsSpaPageProperty))
{
return "#!/" + coreUrl;
}
else
{
return context.RequestContext.TranslateVirtualPath("~/" + coreUrl);
}
}
private static Dictionary<string, object> ComposeNewRouteParameters(HtmlGenericControl control, RenderContext context, RouteBase route)
{
var parameters = new Dictionary<string, object>(route.DefaultValues);
foreach (var param in context.RequestContext.Parameters)
{
parameters[param.Key] = param.Value;
}
foreach (var attr in GetRouteParameters(control))
{
var parameterName = attr.Key.Substring(RouteParameterPrefix.Length);
parameters[parameterName] = attr.Value;
// remove the attribute because we don't want to be rendered
control.Attributes.Remove(attr.Key);
}
return parameters;
}
public virtual void CreateHeaderControls(RedwoodRequestContext context, GridView gridView, string sortCommandPath, HtmlGenericControl cell)
{
if (AllowSorting)
{
if (string.IsNullOrEmpty(sortCommandPath))
{
throw new Exception("Cannot use column sorting where no sort command is specified. Either put IGridViewDataSet in the DataSource property of the GridView, or set the SortChanged command on the GridView to implement custom sorting logic!");
}
var sortExpression = GetSortExpression();
// TODO: verify that sortExpression is a single property name
var linkButton = new LinkButton() { Text = HeaderText };
linkButton.SetBinding(ButtonBase.ClickProperty, new CommandBindingExpression(string.Format("{0} (\"{1}\")", sortCommandPath, sortExpression)));
cell.Children.Add(linkButton);
}
else
{
var literal = new Literal(HeaderText);
cell.Children.Add(literal);
}
}
public void NamingContainers_EnsureControlHasID_GenerateUniqueID()
{
var page = new RedwoodView();
page.SetValue(Internal.UniqueIDProperty, "c0");
var head = new HtmlGenericControl("head");
head.SetValue(Internal.UniqueIDProperty, "c1");
page.Children.Add(head);
var title = new HtmlGenericControl("title");
title.SetValue(Internal.UniqueIDProperty, "c2");
head.Children.Add(title);
var body = new HtmlGenericControl("body");
body.SetValue(Internal.UniqueIDProperty, "c3");
page.Children.Add(body);
var div1 = new HtmlGenericControl("div");
div1.SetValue(Internal.UniqueIDProperty, "c4");
body.Children.Add(div1);
var div2 = new HtmlGenericControl("div");
div2.SetValue(Internal.UniqueIDProperty, "c5");
div2.SetValue(Internal.IsNamingContainerProperty, true);
body.Children.Add(div2);
var div3 = new HtmlGenericControl("div");
div3.SetValue(Internal.UniqueIDProperty, "c6");
div2.Children.Add(div3);
div3.EnsureControlHasId(true);
div1.EnsureControlHasId(true);
Assert.AreEqual("c4", div1.ID);
Assert.AreEqual("c5_c6", div3.ID);
}
private void CreateRow(RedwoodRequestContext context, DataItemContainer placeholder)
{
var row = new HtmlGenericControl("tr");
RedwoodControl container = row;
foreach (var decorator in RowDecorators)
{
var decoratorInstance = decorator.Clone();
decoratorInstance.Children.Add(container);
container = decoratorInstance;
}
placeholder.Children.Add(container);
// create cells
foreach (var column in Columns)
{
var cell = new HtmlGenericControl("td");
SetCellAttributes(column, cell, false);
row.Children.Add(cell);
column.CreateControls(context, cell);
}
}
private void CreateHeaderRow(RedwoodRequestContext context, string sortCommandPath)
{
var head = new HtmlGenericControl("thead");
Children.Add(head);
var headerRow = new HtmlGenericControl("tr");
head.Children.Add(headerRow);
foreach (var column in Columns)
{
var cell = new HtmlGenericControl("th");
SetCellAttributes(column, cell, true);
headerRow.Children.Add(cell);
column.CreateHeaderControls(context, this, sortCommandPath, cell);
}
}
private static void SetCellAttributes(GridViewColumn column, HtmlGenericControl cell, bool isHeaderCell)
{
if (!string.IsNullOrEmpty(column.Width))
{
cell.Attributes["style"] = "width: " + column.Width;
}
var cssClassBinding = column.GetValueBinding(isHeaderCell ? GridViewColumn.CssClassProperty : GridViewColumn.HeaderCssClassProperty);
if (cssClassBinding != null)
{
cell.Attributes["class"] = cssClassBinding.Clone();
}
else if (!isHeaderCell && !string.IsNullOrWhiteSpace(column.CssClass))
{
cell.Attributes["class"] = column.CssClass;
}
else if (isHeaderCell && !string.IsNullOrWhiteSpace(column.HeaderCssClass))
{
cell.Attributes["class"] = column.HeaderCssClass;
}
}
private static string GenerateRouteLinkCore(string routeName, HtmlGenericControl control, RenderContext context)
{
var route = GetRoute(context, routeName);
var parameters = ComposeNewRouteParameters(control, context, route);
// generate the function call
var sb = new StringBuilder();
sb.Append("redwood.buildRouteUrl(");
sb.Append(JsonConvert.SerializeObject(route.Url));
sb.Append(", {");
sb.Append(string.Join(", ", parameters.Select(p => TranslateRouteParameter(control, p))));
sb.Append("})");
return sb.ToString();
}
private static string TranslateRouteParameter(HtmlGenericControl control, KeyValuePair<string, object> param)
{
string expression = "";
if (param.Value is BindingExpression)
{
EnsureValidBindingType(param.Value as BindingExpression);
var binding = param.Value as ValueBindingExpression;
expression = binding.TranslateToClientScript(control, null); // TODO: pass a special RedwoodProperty for dynamic parameters on this place. The function might need the value in the future.
}
else
{
expression = JsonConvert.SerializeObject(param.Value);
}
return JsonConvert.SerializeObject(param.Key) + ": " + expression;
}
private static List<KeyValuePair<string, object>> GetRouteParameters(HtmlGenericControl control)
{
return control.Attributes.Where(a => a.Key.StartsWith(RouteParameterPrefix)).ToList();
}
private static string GenerateRouteUrlCore(string routeName, HtmlGenericControl control, RenderContext context)
{
var route = GetRoute(context, routeName);
var parameters = ComposeNewRouteParameters(control, context, route);
// evaluate bindings on server
foreach (var param in parameters.Where(p => p.Value is BindingExpression).ToList())
{
if (param.Value is BindingExpression)
{
EnsureValidBindingType(param.Value as BindingExpression);
parameters[param.Key] = ((ValueBindingExpression)param.Value).Evaluate(control, null); // TODO: see below
}
}
// generate the URL
return route.BuildUrl(parameters);
}
private void DataBind(RedwoodRequestContext context)
{
Children.Clear();
content = new HtmlGenericControl("ul");
content.SetBinding(DataContextProperty, GetDataSetBinding().Clone());
Children.Add(content);
var dataSet = DataSet;
if (dataSet != null)
{
// first button
firstLi = new HtmlGenericControl("li");
var firstLink = new LinkButton();
SetButtonContent(context, firstLink, "««", FirstPageTemplate);
firstLink.SetBinding(ButtonBase.ClickProperty, new CommandBindingExpression("GoToFirstPage()"));
firstLi.Children.Add(firstLink);
content.Children.Add(firstLi);
// previous button
previousLi = new HtmlGenericControl("li");
var previousLink = new LinkButton();
SetButtonContent(context, previousLink, "«", PreviousPageTemplate);
previousLink.SetBinding(ButtonBase.ClickProperty, new CommandBindingExpression("GoToPreviousPage()"));
previousLi.Children.Add(previousLink);
content.Children.Add(previousLi);
// number fields
numbersPlaceholder = new Placeholder();
content.Children.Add(numbersPlaceholder);
var i = 0;
foreach (var number in dataSet.NearPageIndexes)
{
var li = new HtmlGenericControl("li");
li.SetBinding(DataContextProperty, new ValueBindingExpression("NearPageIndexes[" + i + "]"));
if (number == dataSet.PageIndex)
{
li.Attributes["class"] = "active";
}
var link = new LinkButton() { Text = (number + 1).ToString() };
link.SetBinding(ButtonBase.ClickProperty, new CommandBindingExpression("_parent.GoToPage(_this)"));
li.Children.Add(link);
numbersPlaceholder.Children.Add(li);
i++;
}
// next button
nextLi = new HtmlGenericControl("li");
var nextLink = new LinkButton();
SetButtonContent(context, nextLink, "»", NextPageTemplate);
nextLink.SetBinding(ButtonBase.ClickProperty, new CommandBindingExpression("GoToNextPage()"));
nextLi.Children.Add(nextLink);
content.Children.Add(nextLi);
// last button
lastLi = new HtmlGenericControl("li");
var lastLink = new LinkButton();
SetButtonContent(context, lastLink, "»»", LastPageTemplate);
lastLink.SetBinding(ButtonBase.ClickProperty, new CommandBindingExpression("GoToLastPage()"));
lastLi.Children.Add(lastLink);
content.Children.Add(lastLi);
}
}
protected override void RenderContents(IHtmlWriter writer, RenderContext context)
{
writer.AddKnockoutDataBind("css", "{ 'disabled': IsFirstPage() }");
firstLi.Render(writer, context);
writer.AddKnockoutDataBind("css", "{ 'disabled': IsFirstPage() }");
previousLi.Render(writer, context);
// render template
writer.WriteKnockoutDataBindComment("foreach", "NearPageIndexes");
context.PathFragments.Push("NearPageIndexes[$index]");
// render page number
numbersPlaceholder.Children.Clear();
HtmlGenericControl li;
if (!RenderLinkForCurrentPage)
{
writer.AddKnockoutDataBind("visible", "$data == $parent.PageIndex()");
li = new HtmlGenericControl("li");
li.SetValue(Internal.IsDataContextBoundaryProperty, true);
var literal = new Literal();
literal.SetBinding(Literal.TextProperty, new ValueBindingExpression("_this + 1"));
li.Children.Add(literal);
numbersPlaceholder.Children.Add(li);
li.Render(writer, context);
writer.AddKnockoutDataBind("visible", "$data != $parent.PageIndex()");
}
writer.AddKnockoutDataBind("css", "{ 'active': $data == $parent.PageIndex()}");
li = new HtmlGenericControl("li");
li.SetValue(Internal.IsDataContextBoundaryProperty, true);
var link = new LinkButton();
link.SetBinding(ButtonBase.TextProperty, new ValueBindingExpression("_this + 1"));
link.SetBinding(ButtonBase.ClickProperty, new CommandBindingExpression("_parent.GoToPage(_this)"));
li.Children.Add(link);
numbersPlaceholder.Children.Add(li);
li.Render(writer, context);
context.PathFragments.Pop();
writer.WriteKnockoutDataBindEndComment();
writer.AddKnockoutDataBind("css", "{ 'disabled': IsLastPage() }");
nextLi.Render(writer, context);
writer.AddKnockoutDataBind("css", "{ 'disabled': IsLastPage() }");
lastLi.Render(writer, context);
}
