/// <summary>
/// 保存列表控件的布局信息
/// </summary>
/// <param name="control">控件</param>
/// <param name="attr">授权属性</param>
private void StoreLayout(Control control, AuthorizationAttribute attr)
{
// 表格控件
if (control is GridControl) {
foreach (BaseView view in ((GridControl)control).Views) {
using (MemoryStream stream = new MemoryStream()) {
view.SaveLayoutToStream(stream);
Layout layout = new Layout(Thread.CurrentPrincipal.Identity.Name, ConbinPath(attr.AuthorizationUri, view.Name));
layout.Data = stream.ToArray();
LayoutService.StoreLayout(layout); // 保存布局
}
}
}
// 列表控件
if (control is TreeList) {
using (MemoryStream stream = new MemoryStream()) {
TreeList list = (TreeList)control;
list.SaveLayoutToStream(stream);
Layout layout = new Layout(Thread.CurrentPrincipal.Identity.Name, ConbinPath(attr.AuthorizationUri, list.Name));
layout.Data = stream.ToArray();
LayoutService.StoreLayout(layout); // 保存布局
}
}
// 递归处理所有的列表控件
foreach (Control ctrl in control.Controls) {
StoreLayout(ctrl, attr);
}
}
/// <summary>
/// 恢复列表控件的布局信息
/// </summary>
/// <param name="control">控件</param>
/// <param name="attr">授权属性</param>
private void ResotreLayout(Control control, AuthorizationAttribute attr)
{
// 表格控件
if (control is GridControl) {
GridControl grid = (GridControl)control;
foreach (BaseView view in grid.Views) {
Layout layout = LayoutService.RestoreLayout(Thread.CurrentPrincipal.Identity.Name, ConbinPath(attr.AuthorizationUri, view.Name));
if (layout != null)
view.RestoreLayoutFromStream(new MemoryStream(layout.Data));
}
}
// 列表控件
if (control is TreeList) {
TreeList list = (TreeList)control;
Layout layout = LayoutService.RestoreLayout(Thread.CurrentPrincipal.Identity.Name, ConbinPath(attr.AuthorizationUri, list.Name));
list.RestoreLayoutFromStream(new MemoryStream(layout.Data));
}
// 递归处理所有的列表控件
foreach (Control ctrl in control.Controls)
ResotreLayout(ctrl, attr);
}