/// <summary>
/// Occurs when cell binds to the field value
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void OnDataBindField(object sender, EventArgs e)
{
DataControlFieldCell cell = (DataControlFieldCell)sender;
HyperLink link = (HyperLink)cell.Controls[0];
object controlContainer = cell.BindingContainer;
object item = DataBinder.GetDataItem(controlContainer);
// check if the complex type is used
if (DataTextField.Length > 0 && DataContainer.Length > 0)
{
//string[] values = DataTextField.Split(new char[] { '.' });
item = DataBinder.Eval(item, this.DataContainer);
if (item == null)
{
return;
}
}
if (DataTextField.Length > 0)
{
if (dataTextFieldProperties == null)
{
SetupProperties(item);
}
object[] dataTextValues = new object[DataTextField.Split(',').Length];
for (int n = 0; n < dataTextValues.Length; n++)
{
dataTextValues[n] = dataTextFieldProperties[n].GetValue(item);
}
link.Text = FormatDataTextValue(dataTextValues);
}
string[] urlFields = DataNavigateUrlFields;
if (urlFields.Length > 0)
{
if (urlProperties == null)
{
SetupProperties(item);
}
object[] dataUrlValues = new object[urlFields.Length];
for (int n = 0; n < dataUrlValues.Length; n++)
{
dataUrlValues[n] = urlProperties[n].GetValue(item);
}
link.NavigateUrl = FormatDataNavigateUrlValue(dataUrlValues);
}
}
public IEnumerable <TreeNode> SelectItems()
{
if (DataTextField.IsNullOrEmpty() || DataValueField.IsNullOrEmpty() || ParentField.IsNullOrEmpty())
{
throw new FoxOneException("必须设置DataTextField、DataValueField和ParentField属性");
}
var returnValue = new List <TreeNode>();
var dicts = GetList();
foreach (var dict in dicts)
{
returnValue.Add(new TreeNode()
{
Text = dict[DataTextField].ToString(),
Value = dict[DataValueField].ToString(),
ParentId = (dict.Keys.Contains(ParentField) && dict[ParentField] != null) ? dict[ParentField].ToString() : string.Empty
});
}
return(returnValue);
}
/// <summary>
/// Is used to set properties of the HyperLinkField
/// </summary>
/// <param name="controlContainer"></param>
void SetupProperties(object controlContainer)
{
PropertyDescriptorCollection props = TypeDescriptor.GetProperties(controlContainer);
if (DataTextField.Length > 0)
{
string[] dataFields = DataTextField.Split(',');
if (dataFields.Length > 0)
{
dataTextFieldProperties = new PropertyDescriptor[dataFields.Length];
for (int n = 0; n < dataFields.Length; n++)
{
PropertyDescriptor prop = props[dataFields[n]];
if (prop == null)
{
throw new InvalidOperationException(string.Format("Property '{0}' not found in object of type {1}", dataFields[n], controlContainer.GetType()));
}
dataTextFieldProperties[n] = prop;
}
}
}
string[] urlFields = DataNavigateUrlFields;
if (urlFields.Length > 0)
{
urlProperties = new PropertyDescriptor[urlFields.Length];
for (int n = 0; n < urlFields.Length; n++)
{
PropertyDescriptor prop = props[urlFields[n]];
if (prop == null)
{
throw new InvalidOperationException(string.Format("Property '{0}' not found in object of type {1}", urlFields[n], controlContainer.GetType()));
}
urlProperties[n] = prop;
}
}
}
public override void WriteInitializationScript(TextWriter writer)
{
var options = new Dictionary <string, object>(Events);
if (DataSource.Transport.Read.Url.HasValue())
{
options["dataSource"] = DataSource.ToJson();
}
else if (DataSource.Data != null)
{
options["dataSource"] = DataSource.Data;
}
if (DragAndDrop)
{
options["dragAndDrop"] = true;
}
if (AutoBind)
{
options["autoBind"] = true;
}
else
{
options["autoBind"] = false;
}
if (!LoadOnDemand)
{
options["loadOnDemand"] = false;
}
//else
//{
// options["loadOnDemand"] = true;
//}
if (DataTextField.HasValue())
{
options["dataTextField"] = DataTextField;
}
if (DataUrlField.HasValue())
{
options["dataUrlField"] = DataUrlField;
}
if (DataSpriteCssClassField.HasValue())
{
options["dataSpriteCssClassField"] = DataSpriteCssClassField;
}
if (DataImageUrlField.HasValue())
{
options["dataImageUrlField"] = DataImageUrlField;
}
var idPrefix = "#";
if (IsInClientTemplate)
{
idPrefix = "\\" + idPrefix;
}
if (TemplateId.HasValue())
{
options["template"] = new ClientHandlerDescriptor {
HandlerName = string.Format("$('{0}{1}').html()", idPrefix, TemplateId)
};
}
else if (Template.HasValue())
{
options["template"] = Template;
}
if (Checkboxes != null)
{
var checkboxes = Checkboxes.ToJson();
if (checkboxes.Keys.Any())
{
options["checkboxes"] = checkboxes["checkboxes"];
}
}
//var animation = Animation.ToJson();
//if (animation.Keys.Any())
//{
// options["animation"] = animation["animation"];
//}
writer.Write(Initializer.Initialize(Selector, "TreeView", options));
base.WriteInitializationScript(writer);
}
