static void Main(string[] args)
{
var capitals = DataItemContainer.GetInstance();
var capitalName = "London";
Console.WriteLine($"The population for capital: {capitalName} - is: {capitals.GetPopulationByCapitalName(capitalName)}");
var worldCapitals = DataItemContainer.GetInstance();
capitalName = "Beijing";
Console.WriteLine($"The population for capital: {capitalName} - is: {worldCapitals.GetPopulationByCapitalName(capitalName)}");
Console.ReadLine();
}
private DotvvmControl GetDataContextTarget(DotvvmControl control, DotvvmProperty property)
{
var controlDataContextType = control.GetDataContextType();
var propertyDataContextType = property.GetDataContextType(control);
if (!Equals(controlDataContextType, propertyDataContextType))
{
var tempContainer = new DataItemContainer {
Parent = control, DataContext = null
};
tempContainer.SetDataContextType(propertyDataContextType);
return(tempContainer);
}
return(control);
}
protected override void RenderContents(IHtmlWriter writer, IDotvvmRequestContext context)
{
writer.AddAttribute("class", "draggable-list-item", true);
writer.RenderBeginTag("div");
var placeholder = new DataItemContainer()
{
DataContext = null
};
placeholder.SetValue(Internal.PathFragmentProperty, GetPathFragmentExpression() + "/[$index]");
placeholder.SetValue(Internal.ClientIDFragmentProperty, GetValueRaw(Internal.CurrentIndexBindingProperty));
ItemTemplate.BuildContent(context, placeholder);
Children.Add(placeholder);
placeholder.Render(writer, context);
writer.RenderEndTag();
}
protected override void RenderContent(HtmlTextWriter writer)
{
if(_emptyTemplate == null && _itemTemplate == null)
return;
if(this.DataSource == null)
{
if(_emptyTemplate == null)
return;
_emptyTemplate.InstantiateIn(this);
}
else
{
if(_itemTemplate == null)
return;
var dataItems = this.DataSource as IEnumerable;
if(dataItems == null || this.DataSource.GetType() == typeof(string))
_itemTemplate.InstantiateIn(this);
else
{
int index = 0;
foreach(var dataItem in dataItems)
{
var container = new DataItemContainer<InputGroup>(this, dataItem, index++);
_itemTemplate.InstantiateIn(container);
this.Controls.Add(container);
}
}
}
base.RenderContent(writer);
}
private void RenderItemTemplate(HtmlTextWriter writer, string value, object dataItem, int index, bool isSelected)
{
DataItemContainer<ComboBox> container;
if(this.RenderMode == ComboBoxRenderMode.Classic)
{
container = new DataItemContainer<ComboBox>(this, dataItem, index, "option");
container.SetAttributeValue("value", value);
if(isSelected)
container.SetAttributeValue("selected", "selected");
}
else
{
container = new DataItemContainer<ComboBox>(this, dataItem, index, "dt", "item");
container.SetAttributeValue("data-value", value);
if(isSelected)
{
container.SetAttributeValue("data-selected", "selected");
container.CssClass = "active selected item";
}
}
_itemTemplate.InstantiateIn(container);
container.RenderControl(writer);
}
protected virtual void RenderItem(HtmlTextWriter writer, DataItemContainer<ListView> item)
{
switch(this.RenderMode)
{
case ListRenderMode.List:
item.TagName = "dt";
break;
case ListRenderMode.BulletList:
case ListRenderMode.OrderedList:
item.TagName = "li";
break;
}
if(_itemTemplate != null)
_itemTemplate.InstantiateIn(item);
item.RenderControl(writer);
}
protected override void RenderContent(HtmlTextWriter writer)
{
if(Utility.IsEmptyCollection(this.DataSource))
{
if(_emptyTemplate != null)
{
using(var literal = new Literal())
{
_emptyTemplate.InstantiateIn(literal);
literal.RenderControl(writer);
}
}
return;
}
IEnumerable dataItems = this.DataSource as IEnumerable;
if(dataItems == null || dataItems.GetType() == typeof(string))
{
var item = new DataItemContainer<ListView>(this, this.DataSource, 0);
this.RenderItem(writer, item);
}
else
{
int index = 0;
foreach(var dataItem in dataItems)
{
FormExtension.PushDataItem(this.Page, dataItem, index);
var item = new DataItemContainer<ListView>(this, dataItem, index++);
this.RenderItem(writer, item);
FormExtension.PopDataItem(this.Page);
}
}
}
