private void SetUpServerItem(IDotvvmRequestContext context, object item, int index, IValueBinding itemBinding, DataItemContainer container)
{
container.DataItemIndex = index;
var bindingService = context.Configuration.ServiceLocator.GetService <BindingCompilationService>();
container.SetBinding(DataContextProperty, ValueBindingExpression.CreateBinding(
bindingService.WithoutInitialization(),
j => item,
itemBinding.KnockoutExpression.AssignParameters(p =>
p == JavascriptTranslator.CurrentIndexParameter ? new CodeParameterAssignment(index.ToString(), OperatorPrecedence.Max) :
default(CodeParameterAssignment))));
container.SetValue(Internal.PathFragmentProperty, GetPathFragmentExpression() + "/[" + index + "]");
container.ID = index.ToString();
}
/// <summary>
/// Performs the data-binding and builds the controls inside the <see cref="Repeater"/>.
/// </summary>
private void DataBind(IDotvvmRequestContext context)
{
Children.Clear();
emptyDataContainer = null;
var dataSourceBinding = GetDataSourceBinding();
var index = 0;
var dataSource = DataSource;
if (dataSource != null)
{
var itemBinding = GetItemBinding();
var bindingService = context.Configuration.ServiceLocator.GetService <BindingCompilationService>();
foreach (var item in GetIEnumerableFromDataSource())
{
var placeholder = new DataItemContainer {
DataItemIndex = index
};
ItemTemplate.BuildContent(context, placeholder);
placeholder.SetBinding(DataContextProperty, ValueBindingExpression.CreateBinding(
bindingService,
j => item,
itemBinding.KnockoutExpression.AssignParameters(p =>
p == JavascriptTranslator.CurrentIndexParameter ? new CodeParameterAssignment(index.ToString(), OperatorPrecedence.Max) :
default(CodeParameterAssignment))));
placeholder.SetValue(Internal.PathFragmentProperty, GetPathFragmentExpression() + "/[" + index + "]");
placeholder.ID = index.ToString();
Children.Add(placeholder);
index++;
}
numberOfRows = index;
}
else
{
numberOfRows = 0;
}
// add empty item
if (EmptyDataTemplate != null)
{
emptyDataContainer = new EmptyData();
emptyDataContainer.SetValue(EmptyData.RenderWrapperTagProperty, GetValueRaw(RenderWrapperTagProperty));
emptyDataContainer.SetValue(EmptyData.WrapperTagNameProperty, GetValueRaw(WrapperTagNameProperty));
emptyDataContainer.SetBinding(DataSourceProperty, dataSourceBinding);
EmptyDataTemplate.BuildContent(context, emptyDataContainer);
Children.Add(emptyDataContainer);
}
}
/// <summary>
/// Performs the data-binding and builds the controls inside the <see cref="Repeater"/>.
/// </summary>
private void DataBind(IDotvvmRequestContext context)
{
Children.Clear();
emptyDataContainer = null;
var dataSourceBinding = GetDataSourceBinding();
var index = 0;
var dataSource = DataSource;
if (dataSource != null)
{
var items = GetIEnumerableFromDataSource(dataSource).Cast <object>().ToArray();
var javascriptDataSourceExpression = dataSourceBinding.GetKnockoutBindingExpression();
foreach (var item in items)
{
var placeholder = new DataItemContainer {
DataItemIndex = index
};
ItemTemplate.BuildContent(context, placeholder);
placeholder.SetBinding(DataContextProperty, GetItemBinding((IList)items, javascriptDataSourceExpression, index));
placeholder.SetValue(Internal.PathFragmentProperty, JavascriptCompilationHelper.AddIndexerToViewModel(GetPathFragmentExpression(), index));
placeholder.ID = index.ToString();
Children.Add(placeholder);
index++;
}
numberOfRows = index;
}
else
{
numberOfRows = 0;
}
// add empty item
if (EmptyDataTemplate != null)
{
emptyDataContainer = new EmptyData();
emptyDataContainer.SetValue(EmptyData.RenderWrapperTagProperty, GetValueRaw(RenderWrapperTagProperty));
emptyDataContainer.SetValue(EmptyData.WrapperTagNameProperty, GetValueRaw(WrapperTagNameProperty));
emptyDataContainer.SetBinding(DataSourceProperty, dataSourceBinding);
EmptyDataTemplate.BuildContent(context, emptyDataContainer);
Children.Add(emptyDataContainer);
}
}
private void DataBind(Hosting.IDotvvmRequestContext context)
{
Children.Clear();
emptyDataContainer = null;
head = null;
var dataSourceBinding = GetDataSourceBinding();
var dataSource = DataSource;
Action<string> sortCommand = null;
var set = dataSource as IGridViewDataSet;
if (set != null)
{
sortCommand = set.SetSortExpression;
}
else
{
sortCommand = SortChanged;
}
// WORKAROUND: DataSource is null => don't throw exception
if (sortCommand == null && dataSource == null)
{
sortCommand = s =>
{
throw new DotvvmControlException(this, "Cannot sort when DataSource is null.");
};
}
CreateHeaderRow(context, sortCommand);
var index = 0;
if (dataSource != null)
{
// create header row
var items = GetIEnumerableFromDataSource(dataSource);
var javascriptDataSourceExpression = dataSourceBinding.GetKnockoutBindingExpression();
foreach (var item in items)
{
// create row
var placeholder = new DataItemContainer { DataItemIndex = index };
placeholder.SetBinding(DataContextProperty, GetItemBinding((IList)items, javascriptDataSourceExpression, index));
placeholder.SetValue(Internal.PathFragmentProperty, JavascriptCompilationHelper.AddIndexerToViewModel(GetPathFragmentExpression(), index));
placeholder.ID = index.ToString();
CreateRowWithCells(context, placeholder);
Children.Add(placeholder);
index++;
}
numberOfRows = index;
}
else
{
numberOfRows = 0;
}
// add empty item
if (EmptyDataTemplate != null)
{
emptyDataContainer = new EmptyData();
emptyDataContainer.SetBinding(DataSourceProperty, dataSourceBinding);
EmptyDataTemplate.BuildContent(context, emptyDataContainer);
Children.Add(emptyDataContainer);
}
}
/// <summary>
/// Performs the data-binding and builds the controls inside the <see cref="Repeater"/>.
/// </summary>
private void DataBind(Hosting.IDotvvmRequestContext context)
{
Children.Clear();
emptyDataContainer = null;
var dataSourceBinding = GetDataSourceBinding();
var index = 0;
var dataSource = DataSource;
if (dataSource != null)
{
var items = GetIEnumerableFromDataSource(dataSource).Cast<object>().ToArray();
var javascriptDataSourceExpression = dataSourceBinding.GetKnockoutBindingExpression();
foreach (var item in items)
{
var placeholder = new DataItemContainer { DataItemIndex = index };
ItemTemplate.BuildContent(context, placeholder);
placeholder.SetBinding(DataContextProperty, GetItemBinding((IList)items, javascriptDataSourceExpression, index));
placeholder.SetValue(Internal.PathFragmentProperty, JavascriptCompilationHelper.AddIndexerToViewModel(GetPathFragmentExpression(), index));
placeholder.ID = index.ToString();
Children.Add(placeholder);
index++;
}
numberOfRows = index;
}
else
{
numberOfRows = 0;
}
// add empty item
if (EmptyDataTemplate != null)
{
emptyDataContainer = new EmptyData();
emptyDataContainer.SetBinding(DataSourceProperty, dataSourceBinding);
EmptyDataTemplate.BuildContent(context, emptyDataContainer);
Children.Add(emptyDataContainer);
}
}
private void DataBind(IDotvvmRequestContext context)
{
Children.Clear();
emptyDataContainer = null;
head = null;
var dataSourceBinding = GetDataSourceBinding();
var dataSource = DataSource;
Action <string> sortCommand = null;
if (dataSource is IGridViewDataSet)
{
sortCommand = ((IGridViewDataSet)dataSource).SetSortExpression;
}
else
{
sortCommand = SortChanged;
}
// WORKAROUND: DataSource is null => don't throw exception
if (sortCommand == null && dataSource == null)
{
sortCommand = s => { throw new Exception("can't sort null data source"); };
}
CreateHeaderRow(context, sortCommand);
var index = 0;
if (dataSource != null)
{
// create header row
var items = GetIEnumerableFromDataSource(dataSource);
var javascriptDataSourceExpression = dataSourceBinding.GetKnockoutBindingExpression();
foreach (var item in items)
{
// create row
var placeholder = new DataItemContainer {
DataItemIndex = index
};
placeholder.SetBinding(DataContextProperty, GetItemBinding((IList)items, javascriptDataSourceExpression, index));
placeholder.SetValue(Internal.PathFragmentProperty, JavascriptCompilationHelper.AddIndexerToViewModel(GetPathFragmentExpression(), index));
placeholder.ID = "i" + index;
CreateRow(context, placeholder);
Children.Add(placeholder);
index++;
}
numberOfRows = index;
}
else
{
numberOfRows = 0;
}
// add empty item
if (EmptyDataTemplate != null)
{
emptyDataContainer = new EmptyData();
emptyDataContainer.SetBinding(DataSourceProperty, dataSourceBinding);
EmptyDataTemplate.BuildContent(context, emptyDataContainer);
Children.Add(emptyDataContainer);
}
}
private void DataBind(IDotvvmRequestContext context)
{
Children.Clear();
emptyDataContainer = null;
head = null;
var dataSourceBinding = GetDataSourceBinding();
var dataSource = DataSource;
if (dataSource is IRefreshableGridViewDataSet refreshableDataSet)
{
CallGridViewDataSetRefreshRequest(refreshableDataSet);
}
var sortCommand =
dataSource is ISortableGridViewDataSet sortableGridViewDataSet ?
sortableGridViewDataSet.SetSortExpression :
SortChanged;
// WORKAROUND: DataSource is null => don't throw exception
if (sortCommand == null && dataSource == null)
{
sortCommand = s => {
throw new DotvvmControlException(this, "Cannot sort when DataSource is null.");
};
}
CreateHeaderRow(context, sortCommand);
var index = 0;
if (dataSource != null)
{
var itemBinding = GetItemBinding();
var bindingService = context.Configuration.ServiceLocator.GetService <BindingCompilationService>();
foreach (var item in GetIEnumerableFromDataSource())
{
// create row
var placeholder = new DataItemContainer {
DataItemIndex = index
};
placeholder.SetBinding(DataContextProperty, ValueBindingExpression.CreateBinding(
bindingService,
j => item,
itemBinding.KnockoutExpression.AssignParameters(p =>
p == JavascriptTranslator.CurrentIndexParameter ? new CodeParameterAssignment(index.ToString(), OperatorPrecedence.Max) :
default(CodeParameterAssignment))));
placeholder.SetValue(Internal.PathFragmentProperty, GetPathFragmentExpression() + "/[" + index + "]");
placeholder.ID = index.ToString();
Children.Add(placeholder);
CreateRowWithCells(context, placeholder);
index++;
}
numberOfRows = index;
}
else
{
numberOfRows = 0;
}
// add empty item
if (EmptyDataTemplate != null)
{
emptyDataContainer = new EmptyData();
emptyDataContainer.SetBinding(DataSourceProperty, dataSourceBinding);
EmptyDataTemplate.BuildContent(context, emptyDataContainer);
Children.Add(emptyDataContainer);
}
}
private void DataBind(DotvvmRequestContext context)
{
Children.Clear();
var dataSourceBinding = GetDataSourceBinding();
// var dataSourcePath = dataSourceBinding.GetViewModelPathExpression(this, DataSourceProperty);
var dataSource = DataSource;
Action<string> sortCommand = null;
if (dataSource is IGridViewDataSet)
{
sortCommand = ((IGridViewDataSet)dataSource).SetSortExpression; // dataSourcePath + ".SetSortExpression";
}
else
{
var sortCommandBinding = GetCommandBinding(SortChangedProperty);
if (sortCommandBinding != null)
{
sortCommand = s => sortCommandBinding.Delegate(new []{ s }.Concat(BindingExpression.GetDataContexts(this, true)).ToArray(), null);
}
}
var index = 0;
if (dataSource != null)
{
// create header row
CreateHeaderRow(context, sortCommand);
var items = GetIEnumerableFromDataSource(dataSource);
foreach (var item in items)
{
// create row
var placeholder = new DataItemContainer { DataItemIndex = index };
placeholder.SetBinding(DataContextProperty, GetItemBinding((IList)items, dataSourceBinding.GetKnockoutBindingExpression(), index));
Children.Add(placeholder);
CreateRow(context, placeholder);
index++;
}
}
}
/// <summary>
/// Performs the data-binding and builds the controls inside the <see cref="Repeater"/>.
/// </summary>
private void DataBind(DotvvmRequestContext context)
{
var dataSourceBinding = GetDataSourceBinding();
var index = 0;
var dataSource = DataSource;
if (dataSource != null)
{
var items = GetIEnumerableFromDataSource(dataSource).Cast<object>().ToArray();
if (lastBoundArray != null)
{
if (lastBoundArray.SequenceEqual(items)) return;
}
Children.Clear();
foreach (var item in items)
{
var placeholder = new DataItemContainer { DataItemIndex = index };
ItemTemplate.BuildContent(context, placeholder);
Children.Add(placeholder);
placeholder.SetBinding(DataContextProperty, GetItemBinding((IList)items, dataSourceBinding.GetKnockoutBindingExpression(), index));
Debug.Assert(placeholder.properties[DataContextProperty] != null);
index++;
}
}
}
