public string GetMarkupFileVirtualPath(Hosting.IDotvvmRequestContext context)
{
throw new NotImplementedException();
}
protected internal override void OnLoad(Hosting.IDotvvmRequestContext context)
{
DataBind(context);
base.OnLoad(context);
}
protected internal override void OnPreRender(Hosting.IDotvvmRequestContext context)
{
DataBind(context); // TODO: support for observable collection
base.OnPreRender(context);
}
private void DataBind(Hosting.IDotvvmRequestContext context)
{
if (DataSet is IRefreshableGridViewDataSet refreshableDataSet)
{
CallGridViewDataSetRefreshRequest(refreshableDataSet);
}
Children.Clear();
content = new HtmlGenericControl("ul");
var dataContextType = DataContextStack.Create(typeof(IPageableGridViewDataSet), this.GetDataContextType());
content.SetDataContextType(dataContextType);
content.SetBinding(DataContextProperty, GetDataSetBinding());
Children.Add(content);
var bindings = context.Services.GetService <CommonBindings>();
var dataSet = DataSet;
if (dataSet != null)
{
object enabledValue = HasValueBinding(EnabledProperty) ?
(object)ValueBindingExpression.CreateBinding <bool>(
context.Configuration.ServiceLocator.GetService <BindingCompilationService>().WithoutInitialization(),
h => (bool)GetValueBinding(EnabledProperty).Evaluate(this),
new JsSymbolicParameter(JavascriptTranslator.KnockoutContextParameter).Member("$pagerEnabled")) :
Enabled;
// first button
firstLi = new HtmlGenericControl("li");
var firstLink = new LinkButton();
SetButtonContent(context, firstLink, "««", FirstPageTemplate);
firstLink.SetBinding(ButtonBase.ClickProperty, bindings.GoToFirstPageCommand);
if (!true.Equals(enabledValue))
{
firstLink.SetValue(LinkButton.EnabledProperty, enabledValue);
}
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, bindings.GoToPrevPageCommand);
if (!true.Equals(enabledValue))
{
previousLink.SetValue(LinkButton.EnabledProperty, enabledValue);
}
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.PagingOptions.NearPageIndexes)
{
var li = new HtmlGenericControl("li");
li.SetBinding(DataContextProperty, GetNearIndexesBinding(context, i, dataContextType));
if (number == dataSet.PagingOptions.PageIndex)
{
li.Attributes["class"] = "active";
}
var link = new LinkButton()
{
Text = (number + 1).ToString()
};
link.SetBinding(ButtonBase.ClickProperty, bindings.GoToThisPageCommand);
if (!true.Equals(enabledValue))
{
link.SetValue(LinkButton.EnabledProperty, enabledValue);
}
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, bindings.GoToNextPageCommand);
if (!true.Equals(enabledValue))
{
nextLink.SetValue(LinkButton.EnabledProperty, enabledValue);
}
nextLi.Children.Add(nextLink);
content.Children.Add(nextLi);
// last button
lastLi = new HtmlGenericControl("li");
var lastLink = new LinkButton();
SetButtonContent(context, lastLink, "»»", LastPageTemplate);
if (!true.Equals(enabledValue))
{
lastLink.SetValue(LinkButton.EnabledProperty, enabledValue);
}
lastLink.SetBinding(ButtonBase.ClickProperty, bindings.GoToLastPageCommand);
lastLi.Children.Add(lastLink);
content.Children.Add(lastLi);
}
}
private void DataBind(Hosting.IDotvvmRequestContext context)
{
Children.Clear();
content = new HtmlGenericControl("ul");
content.SetBinding(DataContextProperty, GetDataSetBinding());
Children.Add(content);
var dataSet = DataSet;
if (dataSet != null)
{
object enabledValue = HasValueBinding(EnabledProperty) ? (object)new ValueBindingExpression(h => GetValueBinding(EnabledProperty).Evaluate(this, EnabledProperty), "$pagerEnabled") : Enabled;
// first button
firstLi = new HtmlGenericControl("li");
var firstLink = new LinkButton();
SetButtonContent(context, firstLink, "««", FirstPageTemplate);
firstLink.SetBinding(ButtonBase.ClickProperty, GoToFirstPageCommand);
if (!true.Equals(enabledValue))
{
firstLink.SetValue(LinkButton.EnabledProperty, enabledValue);
}
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, GoToPrevPageCommand);
if (!true.Equals(enabledValue))
{
previousLink.SetValue(LinkButton.EnabledProperty, enabledValue);
}
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, GetNearIndexesBinding(i));
if (number == dataSet.PageIndex)
{
li.Attributes["class"] = "active";
}
var link = new LinkButton()
{
Text = (number + 1).ToString()
};
link.SetBinding(ButtonBase.ClickProperty, GoToThisPageCommand);
if (!true.Equals(enabledValue))
{
link.SetValue(LinkButton.EnabledProperty, enabledValue);
}
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, GoToNextPageCommand);
if (!true.Equals(enabledValue))
{
nextLink.SetValue(LinkButton.EnabledProperty, enabledValue);
}
nextLi.Children.Add(nextLink);
content.Children.Add(nextLi);
// last button
lastLi = new HtmlGenericControl("li");
var lastLink = new LinkButton();
SetButtonContent(context, lastLink, "»»", LastPageTemplate);
if (!true.Equals(enabledValue))
{
lastLink.SetValue(LinkButton.EnabledProperty, enabledValue);
}
lastLink.SetBinding(ButtonBase.ClickProperty, GoToLastPageCommand);
lastLi.Children.Add(lastLink);
content.Children.Add(lastLi);
}
}
protected virtual void DataBind(Hosting.IDotvvmRequestContext context)
{
Children.Clear();
var dataContextType = DataContextStack.Create(typeof(IPageableGridViewDataSet), this.GetDataContextType());
ContentWrapper = CreateWrapperList(dataContextType);
Children.Add(ContentWrapper);
var bindings = context.Services.GetRequiredService <CommonBindings>();
object enabledValue = (HasValueBinding(EnabledProperty) ?
(object)ValueBindingExpression.CreateBinding <bool>(
bindingService.WithoutInitialization(),
h => (bool)GetValueBinding(EnabledProperty).Evaluate(this),
new JsSymbolicParameter(JavascriptTranslator.KnockoutContextParameter).Member("$pagerEnabled")) :
Enabled);
GoToFirstPageButton = CreateNavigationButton("««", FirstPageTemplate, enabledValue, bindings.GoToFirstPageCommand, context);
ContentWrapper.Children.Add(GoToFirstPageButton);
GoToPreviousPageButton = CreateNavigationButton("«", PreviousPageTemplate, enabledValue, bindings.GoToPrevPageCommand, context);
ContentWrapper.Children.Add(GoToPreviousPageButton);
// number fields
NumberButtonsPlaceHolder = new PlaceHolder();
ContentWrapper.Children.Add(NumberButtonsPlaceHolder);
var dataSet = DataSet;
if (dataSet != null)
{
var i = 0;
foreach (var number in dataSet.PagingOptions.NearPageIndexes)
{
var li = new HtmlGenericControl("li");
li.SetBinding(DataContextProperty, GetNearIndexesBinding(context, i, dataContextType));
if (number == dataSet.PagingOptions.PageIndex)
{
li.Attributes["class"] = "active";
}
var link = new LinkButton()
{
Text = (number + 1).ToString()
};
link.SetBinding(ButtonBase.ClickProperty, bindings.GoToThisPageCommand);
if (!true.Equals(enabledValue))
{
link.SetValue(LinkButton.EnabledProperty, enabledValue);
}
li.Children.Add(link);
NumberButtonsPlaceHolder.Children.Add(li);
i++;
}
}
GoToNextPageButton = CreateNavigationButton("»", NextPageTemplate, enabledValue, bindings.GoToNextPageCommand, context);
ContentWrapper.Children.Add(GoToNextPageButton);
GoToLastPageButton = CreateNavigationButton("»»", LastPageTemplate, enabledValue, bindings.GoToLastPageCommand, context);
ContentWrapper.Children.Add(GoToLastPageButton);
}
/// <summary>
/// Occurs after the viewmodel is applied to the page IHtmlWriter writerand before the commands are executed.
/// </summary>
protected internal virtual void OnLoad(Hosting.IDotvvmRequestContext context)
{
}
/// <summary>
/// Occurs after the page commands are executed.
/// </summary>
protected internal virtual void OnPreRender(Hosting.IDotvvmRequestContext context)
{
}
/// <summary>
/// Occurs after the page commands are executed.
/// </summary>
protected internal override void OnPreRender(Hosting.IDotvvmRequestContext context)
{
DataBind(context); // TODO: we should handle observable collection operations to persist controlstate of controls inside the Repeater
base.OnPreRender(context);
}
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);
}
}
public string GetMarkupFileVirtualPath(Hosting.IDotvvmRequestContext context)
{
return(context.Route.VirtualPath);
}
internal override void OnPreRenderComplete(Hosting.IDotvvmRequestContext context)
{
context.ResourceManager.AddRequiredResource(ResourceConstants.DotvvmFileUploadCssResourceName);
base.OnPreRenderComplete(context);
}
protected internal override void OnInit(Hosting.IDotvvmRequestContext context)
{
base.OnInit(context);
}
