OA系统

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C#

DataFieldSelector.cs：源码内容
							using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
namespace OThinker.H3.WorkSheet
{
	/// <summary>
	/// DataFieldSelector 的摘要说明。
	/// </summary>
	public class DataFieldSelector : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button btnOk;
		public System.Windows.Forms.Button btnCancel;
		private System.Windows.Forms.Panel panel1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;
		private const string TempFileName = "Temp_H3_DesignWorkSheet.tmp";
		// 工作流管理器
        private OThinker.H3.WorkflowTemplate.IWorkflowTemplateManager WorkflowManager = new OThinker.H3.Services.WorkflowManager();
		// 获得上次使用的工作流的名称版本等信息
		private string LastPackage = null;
		private string LastName = null;
        private int LastVersion = OThinker.H3.WorkflowTemplate.WorkflowTemplate.NullWorkflowVersion;
		// 错误提示
		private const string ErrorMessage = "无法连接到服务器！可能由于：1、服务器未启动；2、数据库未启动；3、不具有权限。";
		private System.Windows.Forms.Panel panel2;
		private System.Windows.Forms.Panel panel3;
		private System.Windows.Forms.TreeView tvDataField;
		private System.Windows.Forms.Panel panel5;
		private System.Windows.Forms.Panel panel6;
		private System.Windows.Forms.ComboBox cmbWorkflowPackage;
		private System.Windows.Forms.ComboBox cmbWorkflowName;
		private System.Windows.Forms.ComboBox cmbWorkflowVersion;
		private System.Windows.Forms.Panel panel4;
		private System.Windows.Forms.Panel panel7;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private const string ErrorTitle = "错误";
		public DataFieldSelector()
		{		
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();
			// 检查该文件是否存在
			if(System.IO.File.Exists(TempFileName))
			{
				try
				{
					System.IO.StreamReader stmTmp = new System.IO.StreamReader(TempFileName);
					this.LastPackage = stmTmp.ReadLine();
					this.LastName = stmTmp.ReadLine();
					this.LastVersion = int.Parse(stmTmp.ReadLine());
					stmTmp.Close();
				}
				catch
				{
					try
					{
						// 如果出现异常说明该文件不能使用，删除他
						System.IO.File.Delete(TempFileName);
					}
					catch
					{
					}
				}
			}
			// 当前引擎内的所有流程类型
			string[] catalogs = null;
			try
			{
                catalogs = this.WorkflowManager.GetWorkflowPackages();
			}
			catch
			{
				System.Windows.Forms.MessageBox.Show(ErrorMessage, ErrorTitle);
				this.Close();
			}
			// 添加一个空项
			if(catalogs != null)
			{
				foreach(string processCatalog in catalogs)
				{
					this.cmbWorkflowPackage.Items.Add(processCatalog);
				}
			}
			int index = -1;
			if(
				this.LastPackage != null && 
				(index = this.cmbWorkflowPackage.Items.IndexOf(this.LastPackage)) != -1)
			{
				this.cmbWorkflowPackage.SelectedIndex = index;
			}
			else if(this.cmbWorkflowPackage.Items.Count > 0)
			{
				this.cmbWorkflowPackage.SelectedIndex = 0;
			}
		}
		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}
		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
            this.btnOk = new System.Windows.Forms.Button();
            this.btnCancel = new System.Windows.Forms.Button();
            this.panel1 = new System.Windows.Forms.Panel();
            this.panel2 = new System.Windows.Forms.Panel();
            this.panel5 = new System.Windows.Forms.Panel();
            this.panel7 = new System.Windows.Forms.Panel();
            this.cmbWorkflowVersion = new System.Windows.Forms.ComboBox();
            this.cmbWorkflowName = new System.Windows.Forms.ComboBox();
            this.cmbWorkflowPackage = new System.Windows.Forms.ComboBox();
            this.panel4 = new System.Windows.Forms.Panel();
            this.label3 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.label1 = new System.Windows.Forms.Label();
            this.panel6 = new System.Windows.Forms.Panel();
            this.panel3 = new System.Windows.Forms.Panel();
            this.tvDataField = new System.Windows.Forms.TreeView();
            this.panel1.SuspendLayout();
            this.panel2.SuspendLayout();
            this.panel5.SuspendLayout();
            this.panel7.SuspendLayout();
            this.panel4.SuspendLayout();
            this.panel3.SuspendLayout();
            this.SuspendLayout();
            // 
            // btnOk
            // 
            this.btnOk.DialogResult = System.Windows.Forms.DialogResult.OK;
            this.btnOk.Location = new System.Drawing.Point(48, 8);
            this.btnOk.Name = "btnOk";
            this.btnOk.Size = new System.Drawing.Size(56, 23);
            this.btnOk.TabIndex = 4;
            this.btnOk.Text = "确定(&O)";
            this.btnOk.Click += new System.EventHandler(this.btnOk_Click);
            // 
            // btnCancel
            // 
            this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
            this.btnCancel.Location = new System.Drawing.Point(216, 8);
            this.btnCancel.Name = "btnCancel";
            this.btnCancel.Size = new System.Drawing.Size(56, 23);
            this.btnCancel.TabIndex = 5;
            this.btnCancel.Text = "取消(&C)";
            // 
            // panel1
            // 
            this.panel1.Controls.Add(this.btnCancel);
            this.panel1.Controls.Add(this.btnOk);
            this.panel1.Dock = System.Windows.Forms.DockStyle.Bottom;
            this.panel1.Location = new System.Drawing.Point(0, 390);
            this.panel1.Name = "panel1";
            this.panel1.Size = new System.Drawing.Size(344, 40);
            this.panel1.TabIndex = 6;
            // 
            // panel2
            // 
            this.panel2.Controls.Add(this.panel5);
            this.panel2.Controls.Add(this.panel6);
            this.panel2.Dock = System.Windows.Forms.DockStyle.Top;
            this.panel2.Location = new System.Drawing.Point(0, 0);
            this.panel2.Name = "panel2";
            this.panel2.Size = new System.Drawing.Size(344, 64);
            this.panel2.TabIndex = 7;
            // 
            // panel5
            // 
            this.panel5.Controls.Add(this.panel7);
            this.panel5.Controls.Add(this.panel4);
            this.panel5.Dock = System.Windows.Forms.DockStyle.Fill;
            this.panel5.Location = new System.Drawing.Point(0, 0);
            this.panel5.Name = "panel5";
            this.panel5.Size = new System.Drawing.Size(344, 64);
            this.panel5.TabIndex = 7;
            // 
            // panel7
            // 
            this.panel7.Controls.Add(this.cmbWorkflowVersion);
            this.panel7.Controls.Add(this.cmbWorkflowName);
            this.panel7.Controls.Add(this.cmbWorkflowPackage);
            this.panel7.Dock = System.Windows.Forms.DockStyle.Fill;
            this.panel7.Location = new System.Drawing.Point(56, 0);
            this.panel7.Name = "panel7";
            this.panel7.Size = new System.Drawing.Size(288, 64);
            this.panel7.TabIndex = 11;
            // 
            // cmbWorkflowVersion
            // 
            this.cmbWorkflowVersion.Dock = System.Windows.Forms.DockStyle.Top;
            this.cmbWorkflowVersion.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            this.cmbWorkflowVersion.ItemHeight = 12;
            this.cmbWorkflowVersion.Location = new System.Drawing.Point(0, 40);
            this.cmbWorkflowVersion.Name = "cmbWorkflowVersion";
            this.cmbWorkflowVersion.Size = new System.Drawing.Size(288, 20);
            this.cmbWorkflowVersion.TabIndex = 3;
            this.cmbWorkflowVersion.SelectedIndexChanged += new System.EventHandler(this.cmbWorkflowVersion_SelectedIndexChanged);
            // 
            // cmbWorkflowName
            // 
            this.cmbWorkflowName.Dock = System.Windows.Forms.DockStyle.Top;
            this.cmbWorkflowName.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            this.cmbWorkflowName.ItemHeight = 12;
            this.cmbWorkflowName.Location = new System.Drawing.Point(0, 20);
            this.cmbWorkflowName.Name = "cmbWorkflowName";
            this.cmbWorkflowName.Size = new System.Drawing.Size(288, 20);
            this.cmbWorkflowName.TabIndex = 2;
            this.cmbWorkflowName.SelectedIndexChanged += new System.EventHandler(this.cmbWorkflowName_SelectedIndexChanged);
            // 
            // cmbWorkflowPackage
            // 
            this.cmbWorkflowPackage.Dock = System.Windows.Forms.DockStyle.Top;
            this.cmbWorkflowPackage.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            this.cmbWorkflowPackage.ItemHeight = 12;
            this.cmbWorkflowPackage.Location = new System.Drawing.Point(0, 0);
            this.cmbWorkflowPackage.Name = "cmbWorkflowPackage";
            this.cmbWorkflowPackage.Size = new System.Drawing.Size(288, 20);
            this.cmbWorkflowPackage.TabIndex = 1;
            this.cmbWorkflowPackage.SelectedIndexChanged += new System.EventHandler(this.cmbWorkflowPackage_SelectedIndexChanged);
            // 
            // panel4
            // 
            this.panel4.Controls.Add(this.label3);
            this.panel4.Controls.Add(this.label2);
            this.panel4.Controls.Add(this.label1);
            this.panel4.Dock = System.Windows.Forms.DockStyle.Left;
            this.panel4.Location = new System.Drawing.Point(0, 0);
            this.panel4.Name = "panel4";
            this.panel4.Size = new System.Drawing.Size(56, 64);
            this.panel4.TabIndex = 10;
            // 
            // label3
            // 
            this.label3.Dock = System.Windows.Forms.DockStyle.Top;
            this.label3.Location = new System.Drawing.Point(0, 40);
            this.label3.Name = "label3";
            this.label3.Size = new System.Drawing.Size(56, 20);
            this.label3.TabIndex = 2;
            this.label3.Text = "模板版本";
            // 
            // label2
            // 
            this.label2.Dock = System.Windows.Forms.DockStyle.Top;
            this.label2.Location = new System.Drawing.Point(0, 20);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(56, 20);
            this.label2.TabIndex = 1;
            this.label2.Text = "模板名称";
            // 
            // label1
            // 
            this.label1.Dock = System.Windows.Forms.DockStyle.Top;
            this.label1.Location = new System.Drawing.Point(0, 0);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(56, 20);
            this.label1.TabIndex = 0;
            this.label1.Text = "模板类型";
            // 
            // panel6
            // 
            this.panel6.Dock = System.Windows.Forms.DockStyle.Fill;
            this.panel6.Location = new System.Drawing.Point(0, 0);
            this.panel6.Name = "panel6";
            this.panel6.Size = new System.Drawing.Size(344, 64);
            this.panel6.TabIndex = 11;
            // 
            // panel3
            // 
            this.panel3.Controls.Add(this.tvDataField);
            this.panel3.Dock = System.Windows.Forms.DockStyle.Fill;
            this.panel3.Location = new System.Drawing.Point(0, 64);
            this.panel3.Name = "panel3";
            this.panel3.Size = new System.Drawing.Size(344, 326);
            this.panel3.TabIndex = 8;
            // 
            // tvDataField
            // 
            this.tvDataField.Dock = System.Windows.Forms.DockStyle.Fill;
            this.tvDataField.Location = new System.Drawing.Point(0, 0);
            this.tvDataField.Name = "tvDataField";
            this.tvDataField.Size = new System.Drawing.Size(344, 326);
            this.tvDataField.TabIndex = 0;
            // 
            // DataFieldSelector
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(344, 430);
            this.Controls.Add(this.panel3);
            this.Controls.Add(this.panel2);
            this.Controls.Add(this.panel1);
            this.MaximizeBox = false;
            this.Name = "DataFieldSelector";
            this.ShowIcon = false;
            this.ShowInTaskbar = false;
            this.Text = "数据项选择器";
            this.panel1.ResumeLayout(false);
            this.panel2.ResumeLayout(false);
            this.panel5.ResumeLayout(false);
            this.panel7.ResumeLayout(false);
            this.panel4.ResumeLayout(false);
            this.panel3.ResumeLayout(false);
            this.ResumeLayout(false);
		}
		#endregion
		private void cmbWorkflowPackage_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			this.cmbWorkflowName.Items.Clear();
			this.cmbWorkflowVersion.Items.Clear();
			this.tvDataField.Nodes.Clear();
			// 当前引擎内的所有流程类型
			string[] names = null;
			try
			{
				names = this.WorkflowManager.GetWorkflowNames(this.cmbWorkflowPackage.Text, OThinker.H3.WorkflowTemplate.WorkflowState.Unspecified);
			}
			catch
			{
				System.Windows.Forms.MessageBox.Show(ErrorMessage, ErrorTitle);
			}
			// 添加一个空项
			if(names != null)
			{
				foreach(string name in names)
				{
					this.cmbWorkflowName.Items.Add(name);
				}
			}
			int index = -1;
			if(this.LastName != null && (index = this.cmbWorkflowName.Items.IndexOf(this.LastName)) != -1)
			{
				this.cmbWorkflowName.SelectedIndex = index;
			}
			else if(this.cmbWorkflowName.Items.Count > 0)
			{
				this.cmbWorkflowName.SelectedIndex = 0;
			}
		}
		private void cmbWorkflowName_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			this.cmbWorkflowVersion.Items.Clear();
			this.tvDataField.Nodes.Clear();
			// 当前引擎内的所有流程类型
			int[] versions = null;
			try
			{
				versions = this.WorkflowManager.GetWorkflowVersions(
					this.cmbWorkflowPackage.Text, 
					this.cmbWorkflowName.Text);
			}
			catch
			{
				System.Windows.Forms.MessageBox.Show(ErrorMessage, ErrorTitle);
			}
			// 添加一个空项
			if(versions != null)
			{
				foreach(int version in versions)
				{
					this.cmbWorkflowVersion.Items.Add(version.ToString());
				}
			}
			int index = -1;
            if (this.LastVersion != H3.WorkflowTemplate.WorkflowTemplate.NullWorkflowVersion && (index = this.cmbWorkflowVersion.Items.IndexOf(this.LastVersion.ToString())) != -1)
			{
				this.cmbWorkflowVersion.SelectedIndex = index;
			}
			else if(this.cmbWorkflowVersion.Items.Count > 0)
			{
				this.cmbWorkflowVersion.SelectedIndex = 0;
			}
		}
		private void cmbWorkflowVersion_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			this.tvDataField.Nodes.Clear();
			TreeNode root = new TreeNode("所有数据");
			this.tvDataField.Nodes.Add(root);
			// 将系统数据添加进去
			root.Nodes.Add(OThinker.H3.Data.Keywords.ParserFactory.GetDataTreeNode());
			root.Expand();
			// 添加流程模板数据
			H3.Data.WorkflowDataItem[] items = null;
			try
			{
                H3.WorkflowTemplate.WorkflowTemplate workflow 
					= this.WorkflowManager.GetWorkflow(
					this.cmbWorkflowPackage.Text, 
					this.cmbWorkflowName.Text, 
					int.Parse(this.cmbWorkflowVersion.Text));
				items = workflow.DataItems;
			}
			catch
			{
				System.Windows.Forms.MessageBox.Show(ErrorMessage, ErrorTitle);
				return;
			}
			root.Nodes.Add("流程数据");
			root.Nodes[1].Expand();
			if(items != null)
			{
				foreach(H3.Data.WorkflowDataItem item in items)
				{
					root.Nodes[1].Nodes.Add(item.ItemName);
				}
			}
		}
		public string SelctedDataField
		{
			get
			{
				if(this.tvDataField.SelectedNode == null)
				{
					return null;
				}
				else
				{
					return this.tvDataField.SelectedNode.Text;
				}
			}
		}
		private void btnOk_Click(object sender, System.EventArgs e)
		{
			try
			{
				if(System.IO.File.Exists(TempFileName))
				{
					System.IO.File.Delete(TempFileName);
				}
				System.IO.StreamWriter stmTmp = new System.IO.StreamWriter(TempFileName);
				stmTmp.WriteLine(this.cmbWorkflowPackage.Text);
				stmTmp.WriteLine(this.cmbWorkflowName.Text);
				stmTmp.WriteLine(this.cmbWorkflowVersion.Text);
				stmTmp.Close();
			}
			catch
			{
			}
		}
	}
}

						