designer.ascx.cs

ASP.NET+VML开发的工作流图软件

namespace VML.WorkFlow
{
	using System;
	using System.Data;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;

	/// <summary>
	///		Designer 的摘要说明。
	/// </summary>
	public class Designer : System.Web.UI.UserControl
	{
		protected System.Web.UI.HtmlControls.HtmlInputHidden FlowBase;
		protected System.Web.UI.HtmlControls.HtmlInputButton btnSave;
		protected System.Web.UI.HtmlControls.HtmlInputHidden XMLData;
		protected System.Web.UI.HtmlControls.HtmlInputButton btnCreate;
		protected System.Web.UI.WebControls.TextBox FlowBaseID;
		protected System.Web.UI.WebControls.Button btnLoadFlow;
		protected System.Web.UI.WebControls.Xml WorkflowDisplay;

		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面

		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <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.btnLoadFlow.Click += new System.EventHandler(this.btnLoadFlow_Click);
			this.btnCreate.ServerClick += new System.EventHandler(this.btnCreate_ServerClick);
			this.btnSave.ServerClick += new System.EventHandler(this.btnSave_ServerClick);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnSave_ServerClick(object sender, System.EventArgs e)
		{
			//象数据库保存数据
			if (this.XMLData.Value=="") return;
			 VML.WorkFlow.WorkFlowBLL obj=new WorkFlowBLL();
			obj.SaveWorkFlowData(this.XMLData.Value);
			this.ShowMessage("数据保存成功！",true);
			this.Response.Redirect(this.Request.Url.ToString());
		}

		private void btnCreate_ServerClick(object sender, System.EventArgs e)
		{
			this.WorkflowDisplay.Document= new VML.WorkFlow.WorkFlowBLL().CreateEmptyFlowData();
			//带表尚未成为永久数据
			this.FlowBase.Value="0";
		}

		/// <summary>
		/// 显示提示信息
		/// </summary>
		/// <param name="msg"></param>
		/// <param name="isback"></param>
		private void ShowMessage(string msg , bool isback)
		{
			Response.Write("<script>");
			Response.Write("alert('"+msg+"');");
			if (isback)
				Response.Write("history.back();");
			Response.Write("</script>");
		}

		/// <summary>
		/// 读取工作流并显示为图
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnLoadFlow_Click(object sender, System.EventArgs e)
		{			
			this.FlowBase.Value=this.FlowBaseID.Text;
			this.WorkflowDisplay.Document= 
				new VML.WorkFlow.WorkFlowBLL().TransWorkFlowMap(int.Parse(this.FlowBase.Value));
		}

	
	}
}