private TextBox SetupTextboxTest(Options options)
{
/*Arrange*/
TextBox tb1 = new TextBox();
tb1.Text = "Data From view";
tb1.ID = "tb1";
WebformControl wrappedTb = new WebformControl(tb1);
//Create a binding collection, add a binding
options.Path = "EmployeeName";
collection = new Binding.BindingCollection()
{
new Binding.BindingDef(wrappedTb, "Text", options, false, controlService)
};
//and setup service to return it
controlService.Expect(cs => cs.Unwrap(null)).Do(new Func <IBindingTarget, object>((t) => tb1));
//setup the data storage service to return the collection
dataStorageService.Expect(ds => ds.RetrieveOrCreate <Binding.BindingCollection>(DATA_BINDING_KEY)).Return(collection);
dataStorageService.Expect(ds => ds.RetrieveOrCreate <Binding.BindingCollection>(COMMAND_BINDING_KEY)).Return(new Binding.BindingCollection());
//and the viewmodel (we are using the view state binder which will try to resolve the service from storage
dataStorageService.Expect(ds => ds.Retrieve <object>(null)).IgnoreArguments().Return(viewModel);
return(tb1);
}
private static bool TryGetBindingOptionsControl(IBindingContainer bindingContainer, out BindingOptionsControl bindingOptionsControl)
{
bool result = false;
bindingOptionsControl = null;
Page page = bindingContainer as Page;
if (page == null)
{
throw new InvalidOperationException("This method binding extension can only be used within the context of an asp.net page");
}
IBindingTarget target = new WebformControl(page);
IControlService controlService = GetControlService(bindingContainer);
WebformControl wrappedOptionsControl = controlService.FindControlRecursive(target, typeof(BindingOptionsControl)) as WebformControl;
if (wrappedOptionsControl != null)
{
bindingOptionsControl = wrappedOptionsControl.Control as BindingOptionsControl;
if (bindingOptionsControl != null)
{
result = true;
}
}
return(result);
}
private Tuple <TextBox, TextBox> SetupMultipleTextboxTest(Options options1, Options options2)
{
/*Arrange*/
TextBox tb1 = new TextBox();
tb1.Text = "Data From tb1";
tb1.ID = "tb1";
WebformControl wrappedTb = new WebformControl(tb1);
TextBox tb2 = new TextBox();
tb2.Text = "Data From tb2";
tb2.ID = "tb2";
WebformControl wrappedTb2 = new WebformControl(tb2);
//Create a binding collection, add a binding
options1.Path = "EmployeeName";
collection = new Binding.BindingCollection()
{
new Binding.BindingDef(wrappedTb, "Text", options1, false, controlService)
};
options2.Path = "EmployeeName";
collection.Add(new Binding.BindingDef(wrappedTb2, "Text", options2, false, controlService));
//and setup service to return it
int count = 0;
controlService.Expect(cs => cs.Unwrap(null)).Do(new Func <IBindingTarget, object>((t) =>
{
if (count == 0)
{
count++;
return(tb1);
}
else
{
return(tb2);
}
}));
//setup the data storage service to return the collection
dataStorageService.Expect(ds => ds.RetrieveOrCreate <Binding.BindingCollection>(DATA_BINDING_KEY)).Return(collection);
dataStorageService.Expect(ds => ds.RetrieveOrCreate <Binding.BindingCollection>(COMMAND_BINDING_KEY)).Return(new Binding.BindingCollection());
//and the viewmodel (we are using the view state binder which will try to resolve the service from storage
dataStorageService.Expect(ds => ds.Retrieve <object>(null)).IgnoreArguments().Return(viewModel);
return(new Tuple <TextBox, TextBox> {
Item1 = tb1, Item2 = tb2
});
}
private Control Resolve(IBindingTarget iTarget)
{
Control target = iTarget as Control;
if (target == null)
{
WebformControl webformControl = iTarget as WebformControl;
if (webformControl != null)
{
target = webformControl.Control;
}
}
return(target);
}
public IBindingTarget FindControlRecursive(IBindingTarget root, string id)
{
if (root.ID == id)
{
return(root);
}
foreach (Control ctl in this.GetChildren(root))
{
IBindingTarget webFormControl = new WebformControl(ctl);
IBindingTarget foundCtl = FindControlRecursive(webFormControl, id);
if (foundCtl != null)
{
return(foundCtl);
}
}
return(null);
}
public IBindingTarget FindControlUnique(IBindingTarget root, string unique)
{
if (root.UniqueID == unique)
{
return(root);
}
foreach (Control ctl in this.GetChildren(root))
{
IBindingTarget webFormControl = new WebformControl(ctl);
IBindingTarget foundCtl = FindControlUnique(webFormControl, unique);
if (foundCtl != null)
{
return(foundCtl);
}
}
return(null);
}
/// <summary>
/// Bind and specify options for the bind.
/// </summary>
/// <param name="control"></param>
/// <param name="bindingOptions"></param>
/// <returns></returns>
public static object Bind(object control, Options bindingOptions, string propertyName)
{
Control ctrl = control as Control;
WebformControl wrappedControl = new WebformControl(ctrl);
IBindingContainer bindingContainer = ctrl.Page as IBindingContainer;
BinderBase binder = CreateBinder(bindingContainer);
object bindingResult = null;
if (ctrl != null && bindingContainer != null)
{
IDataItemContainer dataItemContainer = ctrl.NamingContainer as IDataItemContainer;
if (dataItemContainer != null)
{
WebformControl <IDataItemContainer> wrappedContainer = new WebformControl <IDataItemContainer>((Control)dataItemContainer);
if (string.IsNullOrEmpty(propertyName))
{
bindingResult = binder.ExecuteBind(wrappedControl, wrappedContainer, bindingOptions);
}
else
{
bindingResult = binder.ExecuteBind(wrappedControl, wrappedContainer, bindingOptions, propertyName);
}
}
else
{
if (string.IsNullOrEmpty(propertyName))
{
bindingResult = binder.ExecuteBind(wrappedControl, bindingOptions);
}
else
{
bindingResult = binder.ExecuteBind(wrappedControl, bindingOptions, propertyName);
}
}
}
return(bindingResult);
}
public object Unwrap(IBindingTarget bindingTarget)
{
if (bindingTarget == null)
{
throw new ArgumentException("Cannot unwrap null object", "bindingTarget");
}
WebformControl webControl = bindingTarget as WebformControl;
if (webControl == null)
{
throw new ArgumentException(string.Format("Unable to unwrap objects of type {0}", bindingTarget.GetType().FullName), "bindingTarget");
}
if (webControl.Control == null)
{
throw new ArgumentException("Unwrapped object is null", "bindingTarget");
}
return(webControl.Control);
}
public IBindingTarget FindControlRecursive(IBindingTarget root, Type type)
{
Control resolvedRoot = Resolve(root);
if (resolvedRoot.GetType() == type)
{
return(root);
}
foreach (Control ctl in this.GetChildren(root))
{
IBindingTarget webFormControl = new WebformControl(ctl);
IBindingTarget foundCtl = FindControlRecursive(webFormControl, type);
if (foundCtl != null)
{
return(foundCtl);
}
}
return(null);
}
/// <summary>
/// Bind using a global Resource binding
/// </summary>
/// <param name="control"></param>
/// <param name="resourceID">The id of the binding which should be used</param>
/// <returns></returns>
public static object BindResource(this object control, string resourceID)
{
Control ctrl = control as Control;
IControlService service = new WebformsControlService();
IBindingTarget target = new WebformControl(ctrl.Page);
WebformControl webFormControl = service.FindControlRecursive(target, typeof(BindingOptionsControl)) as WebformControl;
BindingOptionsControl bindingOptions = webFormControl.Control as BindingOptionsControl;
if (bindingOptions == null)
{
throw new InvalidOperationException(NEED_BINDING_OPTIONS_CONTROL);
}
if (bindingOptions.Resources == null)
{
throw new InvalidOperationException(NEED_BINDING_OPTIONS_RESOURCES);
}
Options options = bindingOptions.Resources.Where(r => r.ID == resourceID).FirstOrDefault();
if (options == null)
{
if (bindingOptions.Resources == null)
{
throw new InvalidOperationException(NEED_BINDING_RESOURCE);
}
}
if (options.Mode == BindingMode.Command)
{
BindCommand(control, options);
return(null);
}
else
{
return(Bind(control, options));
}
}
private List <Control> SetupCollectionUnbindTest(Options options)
{
List <Control> createdControls = new List <Control>();
//Create a repeater from which we will read data
Repeater rpt = new Repeater();
rpt.ItemTemplate = new DynamicItemTemplate(new List <Func <Control> > {
() => new TextBox()
{
ID = "tb"
}
});
var item1 = new Child {
Name = "Sam"
};
var item2 = new Child {
Name = "Ben"
};
var item3 = new Child {
Name = "Ali"
};
var list = new List <Child> {
item1, item2, item3
};
viewModel.ChildrensNames = list;
//Create a binding collection
collection = new Binding.BindingCollection();
//add in the parent binding, this will not be used in the bind but is required for unbind to work within a collection
collection.Add(new Binding.BindingDef(new WebformControl(rpt), "DataSource", new Options {
Path = "ChildrensNames"
}, true, controlService));
//When the item is created, create a binding for it and add to the binding collection.
//We will also had the itemtemplate create control to a collection so that we can stick some values
//in to simulate user input before unbinding to the model.
int index = 0;
rpt.ItemDataBound += (s, e) =>
{
TextBox tb = e.Item.FindControl("tb") as TextBox;
WebformControl wrappedTb = new WebformControl(tb);
options.Path = "Name";
Binding.BindingDef binding = new Binding.BindingDef(wrappedTb, "Text", index, collection, options, false, controlService);
index++;
collection.Add(binding);
createdControls.Add(tb);
};
rpt.DataSource = list;
WebformControl dummyControl = new WebformControl(new TextBox());
//tell the mock conntrol service to return the collection result when required.
this.controlService.Expect(cs => cs.FindControlUnique(null, null)).IgnoreArguments()
.Do(
new Func <IBindingTarget, string, IBindingTarget>((b, s) =>
{
//we only need it return a non-null
return(dummyControl);
}));
int counter = 0;
//and setup service to return it
controlService.Expect(cs => cs.Unwrap(null)).IgnoreArguments().Do(new Func <IBindingTarget, object>((t) =>
{
Control ctrl = createdControls[counter];
counter++;
return(ctrl);
}));
//setup viewmodel with default values
viewModel.ChildrensNames = new List <Child> {
new Child(), new Child(), new Child()
};
//setup the data storage service to return the collection
dataStorageService.Expect(ds => ds.RetrieveOrCreate <Binding.BindingCollection>(DATA_BINDING_KEY)).Return(collection);
dataStorageService.Expect(ds => ds.RetrieveOrCreate <Binding.BindingCollection>(COMMAND_BINDING_KEY)).Return(new Binding.BindingCollection());
//and the viewmodel (we are using the view state binder which will try to resolve the service from storage
dataStorageService.Expect(ds => ds.Retrieve <object>(null)).IgnoreArguments().Return(viewModel);
rpt.DataBind();
return(createdControls);
}
