#region
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Windows.Forms;
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using CSFrameworkV5.Common;
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using CSFrameworkV5.Core;
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#endregion
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namespace CSFrameworkV5.Library.CommonClass
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{
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/// <summary>
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/// 快速命令处理程序
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/// </summary>
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public class CommandHandler
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{
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private static List<QuickCommand> _AllCommands = null;
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/// <summary>
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/// 系统定义的所有命令
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/// </summary>
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private static List<QuickCommand> AllCommands
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{
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get
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{
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if (_AllCommands == null)
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{
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//模拟命令表(从数据库获取)
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var dt = new DataTable("sys_Commands");
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dt.Columns.Add("CommandCode",
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typeof(string)); //命令，如：PO,PO1,PO2,SO,HELP,LK
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dt.Columns.Add("CommandName",
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typeof(string)); //命令名称，PO-打开采购订单
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dt.Columns.Add("CommandType",
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typeof(string)); //命令类型：OpenForm-打开窗体,Add,Search,Other
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dt.Columns.Add("FormNamespace", typeof(string)); //窗体的命名空间
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dt.Columns.Add("MenuName",
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typeof(string)); //打开此窗体关联的菜单名称（模块主窗体内定义）
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dt.Rows.Add("PO", "打开采购订单", "OpenForm",
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"CSFrameworkV5.DemoPurchaseModule.frmPO", "menuItemPO");
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dt.Rows.Add("PO1", "采购订单-新增", "Add",
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"CSFrameworkV5.DemoPurchaseModule.frmPO", "menuItemPO");
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dt.Rows.Add("PO2", "采购订单-搜索", "Search",
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"CSFrameworkV5.DemoPurchaseModule.frmPO", "menuItemPO");
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dt.Rows.Add("SO", "打开销售订单", "OpenForm",
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"CSFrameworkV5.DemoSalesModule.frmSO",
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"menuSalesOrder");
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dt.Rows.Add("HELP", "打开帮助文档", "Other", "", "");
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dt.Rows.Add("LK", "锁定主界面", "Other", "", "");
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dt.AcceptChanges();
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//将DataTable转换为对象列表
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var list = new ModelConverter<QuickCommand>().FillModel(dt);
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return list;
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}
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return _AllCommands;
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}
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}
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/// <summary>
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/// 执行命令
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/// </summary>
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/// <param name="instance">主窗体实例</param>
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/// <param name="cmdText">命令文本</param>
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/// <returns></returns>
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public static object Execute(IMdiForm instance, string cmdText)
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{
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//匹配命令字符，返回对象实例
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var cmd = AllCommands.Find(delegate(QuickCommand p)
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{
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return p.Match(cmdText);
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});
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if (cmd == null)
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throw new Exception("无效的命令！参考：PO,PO1,PO2,SO,LK,HELP");
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//界面操作通用处理方法
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if (cmd.IsFormAction) return instance.OpenModuleForm(cmd);
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//锁定用户界面命令
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if (cmd.CommandCode == "LK")
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return frmLock.ExecuteLock(instance as Form);
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//打开帮助文档
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if (cmd.CommandCode == "HELP") HelpDoc.HelpAllFile(HelpDoc.CSHelp);
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//
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//其它命令
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//
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return null;
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}
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}
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/// <summary>
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/// 命令类型
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/// </summary>
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public enum QuickCommandType
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{
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OpenForm,
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Add,
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Search,
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Other
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}
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/// <summary>
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/// 命令对象
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/// </summary>
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public class QuickCommand
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{
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public string Action { get; set; }
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public string CommandCode { get; set; }
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public string CommandName { get; set; }
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public string CommandType { get; set; }
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public string FormNamespace { get; set; }
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public bool IsFormAction =>
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CommandType == QuickCommandType.OpenForm.ToStringEx()
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|| CommandType == QuickCommandType.Search.ToStringEx()
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|| CommandType == QuickCommandType.Add.ToStringEx();
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public string MenuName { get; set; }
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public virtual object Execute(object sender)
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{
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return null;
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}
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public bool Match(string cmdText)
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{
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return CommandCode.ToLower() == cmdText.ToLower();
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}
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}
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}
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