/// <summary>
/// 显示组的权限
/// </summary>
/// <param name="detailGroupAuths"></param>
public void ShowGroupAutority(DataTable detailGroupAuths)
{
try
{
_treeAuthority.AfterCheck -= new TreeViewEventHandler(OnTreeAuthorityAfterCheck);
//一级结点,模块的主菜单
foreach (TreeNode node in _treeAuthority.Nodes)
{
AuthNodeTag tag = node.Tag as AuthNodeTag;
if (tag.MenuItem.Tag != null && tag.MenuItem.Tag is MenuItemTag)
{
int moduleTag = (tag.MenuItem.Tag as MenuItemTag).ModuleID;
DataRow row = GetDataRowByMenuName(detailGroupAuths, moduleTag, tag.AuthID);
tag.DataRow = row;
node.Checked = row != null;
if (node.Nodes.Count > 0)
{
ShowGroupAuthorityChild(node, detailGroupAuths);
}
}
}
}
catch (Exception ex)
{
Msg.ShowException(ex);
}
finally
{
_treeAuthority.AfterCheck += new TreeViewEventHandler(OnTreeAuthorityAfterCheck);
}
}
/// <summary>
/// 显示组的权限,ShowGroupAutority方法的子程序
/// </summary>
/// <param name="node"></param>
/// <param name="detailGroupAuths"></param>
private void ShowGroupAuthorityChild(TreeNode node, DataTable detailGroupAuths)
{
foreach (TreeNode n in node.Nodes)
{
AuthNodeTag tag = n.Tag as AuthNodeTag;
if (tag.MenuItem.Tag != null && tag.MenuItem.Tag is MenuItemTag)
{
int moduleID = (tag.MenuItem.Tag as MenuItemTag).ModuleID;
DataRow row = GetDataRowByMenuName(detailGroupAuths, moduleID, tag.AuthID);
tag.DataRow = row;
n.Checked = row != null;
if (n.Checked)
{
this.TreeNodeParentSelected(n, true);
}
if (tag.MenuType == MenuType.DataForm)//show the business Actions
{
ShowAction(n, row);
}
else
if (n.Nodes.Count > 0)
{
ShowGroupAuthorityChild(n, detailGroupAuths);
}
}
}
}
/// <summary>
/// 递归处理子结点，GetGroupAuthorityChanges方法的子程序。
/// </summary>
/// <param name="node">父结点</param>
/// <param name="auths">树视图绑定的权限数据</param>
private void GetGroupAuthorityChangesChild(TreeNode node, DataTable auths)
{
foreach (TreeNode n in node.Nodes)
{
if ((n.Tag == null) || (!(n.Tag is AuthNodeTag)))
{
continue; //非菜单项.
}
AuthNodeTag tag = n.Tag as AuthNodeTag; //树结点的引用对象
if (tag.DataRow == null && n.Checked) // 此结点是新增的，勾选状态
{
AddAuthority(auths, n);
}
else if (tag.DataRow != null && n.Checked) //处理勾选状态的结点
{
int changed = GetActions(n); //累加权限值
int oringed = int.Parse(tag.DataRow[TUserRole.Authorities].ToString()); //取原始权限值
if (changed != oringed)
{
tag.DataRow[TUserRole.Authorities] = changed; //如权限有修改，更新最新的权限值
}
}
else if (tag.DataRow != null && !n.Checked) //结点非勾选状态，表示已删除
{
tag.DataRow.Delete(); //删除资料行
}
if (n.Nodes.Count > 0)
{
GetGroupAuthorityChangesChild(n, auths);
}
}
}
/// <summary>
/// 枚举树视图，生成保存用的临时数据。
/// 思路：枚举树视图中所有树结点，跟据树结点的操作状态(新增,修改)生成资料行(DataRow)
/// 新增：结点没绑定DataRow且结点打勾. 为新增权限
/// 修改: 结点有绑定DataRow且结点没有打勾. 为删除权限
/// </summary>
/// <param name="auths">树视图绑定的权限数据</param>
/// <returns></returns>
private DataTable GetGroupAuthorityChanges(DataTable auths)
{
foreach (TreeNode node in _treeAuthority.Nodes)
{
AuthNodeTag tag = node.Tag as AuthNodeTag;
//结点没绑定DataRow且结点打勾. 为新增权限
if (tag.DataRow == null && node.Checked)
{
AddAuthority(auths, node);
}
//结点有绑定DataRow且结点没有打勾. 为删除权限
else if (tag.DataRow != null && !node.Checked)
{
tag.DataRow.Delete();
}
//递归处理子结点
if (node.Nodes.Count > 0)
{
GetGroupAuthorityChangesChild(node, auths);
}
}
//返回修改的记录
DataTable ret = auths.GetChanges();
return(ret == null?auths.Clone() : ret);
}
/// <summary>
/// 生成权限管理树视图 - 第一级树结点
/// </summary>
public void InitAuthorityTree()
{
try
{
//取按钮自定义名称数据表
_FormTagCustomName = _MyBridge.GetFormTagCustomName();
this._treeAuthority.BeforeCheck += new TreeViewCancelEventHandler(OnTreeAuthorityBeforeCheck);
this._treeAuthority.AfterCheck -= new TreeViewEventHandler(OnTreeAuthorityAfterCheck);
this._treeAuthority.Nodes.Clear();
this._treeAuthority.BeginUpdate();
IMdiForm mainForm = (IMdiForm)_treeAuthority.FindForm().ParentForm;//取MDI主窗体的主菜单
//枚举主窗体的菜单
foreach (ToolStripItem item in mainForm.MainMenu.Items)
{
if (item is ToolStripSeparator)
{
continue; //菜单分隔符不处理
}
if (item.Tag != null && item.Tag.ToString().ToUpper() == "IsSystemMenu".ToUpper())
{
continue; //系统菜单不处理
}
if (!Loginer.CurrentUser.IsAdmin() && !item.Enabled)
{
continue; //没菜单权限(菜单不可用).不加载树
}
AuthNodeTag tag = new AuthNodeTag(item.Name, null, item);
TreeNode node = new TreeNode(item.Text, 0, 0);
node.ImageIndex = 0;
node.SelectedImageIndex = 0;
node.Tag = tag; //标记
this._treeAuthority.Nodes.Add(node);
//处理子菜单
if (item is ToolStripMenuItem && (item as ToolStripMenuItem).DropDownItems.Count > 0)
{
InitAuthorityTreeChild(item as ToolStripMenuItem, node);
node.Expand();
}
}
this._treeAuthority.EndUpdate();
if (this._treeAuthority.Nodes.Count == 1)
{
this._treeAuthority.Nodes[0].Expand();
}
}
finally
{
this._treeAuthority.AfterCheck += new TreeViewEventHandler(OnTreeAuthorityAfterCheck);
}
}
/// <summary>
/// 生成权限管理树视图 - 子级树结点
/// </summary>
private void InitAuthorityTreeChild(ToolStripMenuItem parent, TreeNode parentNode)
{
foreach (ToolStripItem item in parent.DropDownItems)
{
if (item is ToolStripSeparator)
{
continue; //分隔符不在树显示
}
if (!Loginer.CurrentUser.IsAdmin() && !item.Enabled)
{
continue; //没菜单权限.不加载树
}
AuthNodeTag tag = new AuthNodeTag(item.Name, null, item);
TreeNode node = new TreeNode(item.Text, 0, 0);
node.Tag = tag;
parentNode.Nodes.Add(node);
if (item.Tag != null && item.Tag is MenuItemTag) //数据窗体菜单
{
if ((item.Tag as MenuItemTag).FormAuthorities > 0) //窗体有权限
{
node.ImageIndex = 1;
node.SelectedImageIndex = 1;
InitAction(node, item); //生成功能点结点
}
else
{
node.ImageIndex = 3; //signle form
node.SelectedImageIndex = 3;
}
}
else
{
node.ImageIndex = 3; //signle form
node.SelectedImageIndex = 3;
}
//处理子菜单
if (item is ToolStripMenuItem && (item as ToolStripMenuItem).DropDownItems.Count > 0)
{
InitAuthorityTreeChild(item as ToolStripMenuItem, node);
}
}
}
/// <summary>
/// 增加菜单权限
/// </summary>
/// <param name="auths">权限表</param>
/// <param name="node">当前处理的树结点</param>
private void AddAuthority(DataTable auths, TreeNode node)
{
int actions = 0;
int moduleID = 0;
AuthNodeTag tag = node.Tag as AuthNodeTag; //取树结点的引用对象
//新增组权限记录
DataRow newrow = auths.NewRow();
newrow[TUserRole.GroupCode] = _groupName.Text;
newrow[TUserRole.AuthorityID] = tag.AuthID;
if (tag.MenuItem.Tag != null && tag.MenuItem.Tag is MenuItemTag)
{
//取当前处理的树结点所有权限值加总
actions = this.GetActions(node);
moduleID = (tag.MenuItem.Tag as MenuItemTag).ModuleID;//模块编号
}
newrow[TUserRole.Authorities] = actions;
newrow[TUserRole.ModuleID] = moduleID;
auths.Rows.Add(newrow);
}
