/// <summary>
/// 在列的属性变化时，尝试重新绘制界面
/// </summary>
/// <param name="column"></param>
/// <param name="propertyName"></param>
internal override void OnColumnPropertyChanged(TreeGridColumn column, string propertyName)
{
base.OnColumnPropertyChanged(column, propertyName);
if (column.StableIndex >= 0)
{
var header = this.FindHeaderByColumn(column);
if (header != null)
{
if (TreeGridColumn.HeaderProperty.Name == propertyName)
{
if (!header.IsInternalGenerated || column.Header is TreeGridColumnHeader)
{
int index = base.UIChildren.IndexOf(header);
this.RemoveHeader(header, -1);
this.CreateAndInsertHeader(column, index);
this.BuildHeaderLinks();
return;
}
this.UpdateHeaderContent(header);
}
else
{
var columnDPFromName = TreeGridHeaderRowPresenter.GetColumnDPFromName(propertyName);
if (columnDPFromName != null)
{
this.UpdateHeaderProperty(header, columnDPFromName);
}
}
}
}
}
private static ItemsControl FindItemsControlThroughTemplatedParent(TreeGridHeaderRowPresenter presenter)
{
var frameworkElement = presenter.TemplatedParent as FrameworkElement;
ItemsControl itemsControl = null;
while (frameworkElement != null)
{
itemsControl = (frameworkElement as ItemsControl);
if (itemsControl != null)
{
break;
}
frameworkElement = (frameworkElement.TemplatedParent as FrameworkElement);
}
return(itemsControl);
}
private void UpdateAllHeaders(DependencyProperty dp)
{
DependencyProperty gvDP;
DependencyProperty columnDP;
DependencyProperty targetDP;
TreeGridHeaderRowPresenter.GetMatchingDPs(dp, out gvDP, out columnDP, out targetDP);
int num;
int num2;
this.GetIndexRange(dp, out num, out num2);
var internalChildren = base.UIChildren;
for (int i = num; i <= num2; i++)
{
var gridViewColumnHeader = internalChildren[i] as TreeGridColumnHeader;
if (gridViewColumnHeader != null)
{
this.UpdateHeaderProperty(gridViewColumnHeader, targetDP, columnDP, gvDP);
}
}
}
private static ItemsControl FindItemsControlThroughTemplatedParent(TreeGridHeaderRowPresenter presenter)
{
var frameworkElement = presenter.TemplatedParent as FrameworkElement;
ItemsControl itemsControl = null;
while (frameworkElement != null)
{
itemsControl = (frameworkElement as ItemsControl);
if (itemsControl != null)
{
break;
}
frameworkElement = (frameworkElement.TemplatedParent as FrameworkElement);
}
return itemsControl;
}
