/// <summary>
/// Control's OnPropertyBound event handler extension.
/// </summary>
/// <param name="prop">Property object.</param>
public virtual void OnPropertyBound(DateTimeProperty prop)
{
BasePropertyBinding pb = WebPropertyBinding.Create(txt_DateTime) as BasePropertyBinding;
if (pb != null)
{
pb.BindTo(prop);
}
}
/// <inheritdoc/>
public override void BindTo(ViewModel viewModel)
{
bool bind = viewModel != null;
if ((viewModel ?? Model) is SearchViewModel svm)
{
if (btn_Select != null && bind && svm.Params != null)
{
btn_Select.Visible = (svm.Params[ViewParams.SelectionMode.Param] != null);
}
// subscribe to property change events on the data list object
if (bind)
{
if (svm.List != null)
{
svm.List.PropertyChanged += OnListPropertyChanged;
}
// persist the object in session
ListObj = svm.List;
}
else
{
if (svm.List != null)
{
svm.List.PropertyChanged -= OnListPropertyChanged;
}
}
OnModelPropertyChanged(svm, new PropertyChangedEventArgs(SearchViewModel.CriteriaCollapsedProperty));
OnListPropertyChanged(bind ? svm.List : null, new PropertyChangedEventArgs(nameof(DataListObject.AppliedCriteria)));
if (svm.List != null && grd_Results != null)
{
if (svm.List.CriteriaObject != null && ucl_Criteria != null)
{
ucl_Criteria.DataBind();
WebPropertyBinding.BindToObject(ucl_Criteria, bind ? svm.List.CriteriaObject : null);
if (svm.List.AppliedCriteria != null) // recalculate applied criteria with updated labels after binding
{
svm.List.AppliedCriteria = svm.List.CriteriaObject.GetFieldCriteriaSettings();
}
}
if (grd_Results != null)
{
grd_Results.AutoGenerateSelectButton = ViewParams.SelectionMode.Single.Equals(svm.Params[ViewParams.SelectionMode.Param]);
WebPropertyBinding.BindToList(grd_Results, bind ? svm.List : null);
}
}
}
base.BindTo(viewModel);
}
/// <summary>
/// Binds the view to its model, or unbinds the current model if null is passed.
/// </summary>
/// <param name="viewModel">Model to bind the view to</param>
public override void BindTo(ViewModel viewModel)
{
bool bind = viewModel != null;
SearchViewModel svm = (bind ? viewModel : this.Model) as SearchViewModel;
if (svm != null)
{
if (btn_Select != null && bind && svm.Params != null)
{
btn_Select.Visible = (svm.Params[ViewParams.SelectionMode.Param] != null);
}
// subscribe to property change events on the data list object
if (bind)
{
if (svm.List != null)
{
svm.List.PropertyChanged += OnListPropertyChanged;
}
// persist the object in session
listObj = svm.List;
}
else
{
if (svm.List != null)
{
svm.List.PropertyChanged -= OnListPropertyChanged;
}
}
OnModelPropertyChanged(svm, new PropertyChangedEventArgs(SearchViewModel.CriteriaCollapsedProperty));
OnListPropertyChanged(bind ? svm.List : null, new PropertyChangedEventArgs(DataListObject.AppliedCriteriaProperty));
if (svm.List != null && grd_Results != null)
{
if (svm.List.CriteriaObject != null && ucl_Criteria != null)
{
ucl_Criteria.DataBind();
WebPropertyBinding.BindToObject(ucl_Criteria, bind ? svm.List.CriteriaObject : null);
}
if (grd_Results != null)
{
grd_Results.AutoGenerateSelectButton = ViewParams.SelectionMode.Single.Equals(svm.Params[ViewParams.SelectionMode.Param]);
WebPropertyBinding.BindToList(grd_Results, bind ? svm.List : null);
}
}
}
base.BindTo(viewModel);
}
/// <summary>
/// Binds the view to its model, or unbinds the current model if null is passed.
/// </summary>
/// <param name="viewModel">Model to bind the view to</param>
public override void BindTo(ViewModel viewModel)
{
bool bind = viewModel != null;
DetailsViewModel dvm = (bind ? viewModel : this.Model) as DetailsViewModel;
if (dvm != null)
{
if (dvm.DetailsObject != null && pnl_Object != null)
{
pnl_Object.DataBind();
WebPropertyBinding.BindToObject(pnl_Object, bind ? dvm.DetailsObject : null);
}
if (bind)
{
dataObj = dvm.DetailsObject; // persist the object in session
}
}
base.BindTo(viewModel);
}
/// <inheritdoc/>
public override void BindTo(ViewModel viewModel)
{
bool bind = viewModel != null;
if ((viewModel ?? Model) is DetailsViewModel dvm)
{
if (dvm.DetailsObject != null && pnl_Object != null)
{
pnl_Object.DataBind();
WebPropertyBinding.BindToObject(pnl_Object, bind ? dvm.DetailsObject : null);
}
if (bind)
{
DataObj = dvm.DetailsObject; // persist the object in session
}
else
{
dvm.DetailsObject = null; // detach view model from persisted object
}
}
base.BindTo(viewModel);
}
/// <summary>
/// Binds a control or all of its child controls (e.g. for a containing panel)
/// to the given data object (or its child object)
/// as specified by the controls' Property and ChildObject attributes.
/// </summary>
/// <param name="ctl">Control to bind to the given data object.</param>
/// <param name="obj">Data object to bind the control to.</param>
/// <param name="bindCurrentRow">For list objects specifies whether to bind the whole list or just the current row.</param>
public static void BindToObject(Control ctl, DataObject obj, bool bindCurrentRow)
{
if (obj == null || ctl == null)
{
return;
}
AttributeCollection attr = GetControlAttributes(ctl);
string childPath = attr != null ? attr[AttrChildObject] : null;
DataObject cObj = FindChildObject(obj, childPath);
obj = cObj as DataObject;
string propertyName = attr != null ? attr[AttrProperty] : null;
if (obj != null && propertyName != null)
{
WebPropertyBinding binding = Create(ctl) as WebPropertyBinding;
if (binding != null)
{
binding.BindTo(obj[propertyName]);
}
// remove attributes that are no longer needed to minimize HTML
attr.Remove(AttrChildObject);
attr.Remove(AttrProperty);
}
else if (cObj is DataListObject && !bindCurrentRow)
{
BindToList(ctl, (DataListObject)cObj);
}
else
{
foreach (Control c in ctl.Controls)
{
BindToObject(c, obj, bindCurrentRow);
}
}
}
