private string GetStore()
{
IonItem control = this.ControlHost.Content as IonItem;
bool bindingDataSource = false;
StringBuilder result = new StringBuilder();
if (!this.IsPreview && control.Bindings.Count > 0)
{
foreach (var item in control.Bindings)
{
string bindPath = item.Path == null ? "" : item.Path;
string bindProperty = item.Property == null ? "" : item.Property;
if (bindProperty.ToLower() == "datasource")
{
if (!string.IsNullOrEmpty(bindPath) && !string.IsNullOrEmpty(bindProperty))
{
result.AppendFormat("*ngFor=\"let item of {0}\"", bindPath);
bindingDataSource = true;
}
break;
}
}
}
if (!this.IsPreview && control.ExistProperty("DataSource") && !bindingDataSource)
{
string bindPath = control.DataSource;
if (!string.IsNullOrEmpty(bindPath))
{
result.AppendFormat("*ngFor=\"let item of {0}\"", bindPath);
}
}
return(result.ToString());
}
/// <summary>
/// 设置子元素
/// </summary>
protected override void SetChildElements()
{
IonItem control = this.ControlHost.Content as IonItem;
foreach (var c in this.ControlHost.Children)
{
var builder = c.GetBuilder(this.IsPreview, this.ScreenDefinition, this.Compile, this.ProjectDocument, this.PermissionData, this.HtmlWriter);
builder.Parent = this;
builder.Build();
}
}
/// <summary>
/// 设置属性
/// </summary>
protected override void SetAttributes()
{
IonItem control = this.ControlHost.Content as IonItem;
//Store绑定
string store = GetStore();
if (!string.IsNullOrEmpty(store))
{
this.HtmlWriter.AddAttribute(store, null);
}
//控件属性绑定
string bindPropertyStr = BuildCommon.BuildControlBindProperty(control, this.ScreenDefinition, this.IsPreview);
if (!string.IsNullOrEmpty(bindPropertyStr))
{
this.HtmlWriter.AddAttribute(bindPropertyStr, null);
}
base.SetAttributes();
}
