fdictbase.cs

基于C/S的医疗卫生管理系统

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

using Qeb.Control;
using Qeb.Resource;
using Qeb.Support.Common;

namespace Qeb.GY
{
    public partial class FDictBase : FBase
    {
        protected UCDictBase m_CurrentUC = null;
        private TagInfo m_TagInfo;

        public FDictBase()
        {
            InitializeComponent();
            this.Init();
        }

        #region  初始化
        private void Init()
        {
            this.picLookUpTree.Image = Resource.Resource.GetImage("Btn_Query");
            this.txtLookUpTree.LoopUpPrompt = "不支持快速定位";

            this.picLookUpDW.Image = Resource.Resource.GetImage("Btn_Query");
            this.txtLookUpTree.LoopUpPrompt = "不支持快速定位";
        }

        /// <summary>
        /// 初始化树
        /// </summary>
        protected virtual void InitTreeView()
        {

        }
        #endregion

        #region 快速定位
        private void picLookUpTree_Click(object sender, EventArgs e)
        {
            FindInTree(this.txtLookUpTree.Text);
        }

        private void picLookUpDW_Click(object sender, EventArgs e)
        {
            if (m_CurrentUC != null)
                m_CurrentUC.FindInDw(this.txtLookUpDW.Text);
        }

        /// <summary>
        /// 查找树
        /// </summary>
        /// <param name="findText">要查找的文字</param>
        protected virtual void FindInTree(string findText)
        {
            //this.tvCatalog.Nodes.IndexOf(
        }

        /// <summary>
        ///设置数据窗口顶部信息
        /// </summary>
        protected void SetDWTitle(string message)
        {
            this.lbMsg.Text = message;
        }
        #endregion

        #region TreeView事件
        /// <summary>
        /// 在展开树节点后发生
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected virtual void tvCatalog_AfterExpand(object sender, TreeViewEventArgs e)
        {

        }

        /// <summary>
        /// 在折叠树节点后发生
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected virtual void tvCatalog_AfterCollapse(object sender, TreeViewEventArgs e)
        {

        }


        /// <summary>
        /// 在选定树节点后发生的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected virtual void tvCatalog_AfterSelect(object sender, TreeViewEventArgs e)
        {
            if (m_TagInfo.ControlName == "")
            {
                return;
            }
            else
            {
                try
                {
                    //当前控件不变，检索参数有变
                    if (m_CurrentUC != null && m_CurrentUC.GetType().Name == m_TagInfo.ControlName)
                    {
                        if (m_TagInfo.RefreshParam != "")
                        {
                            //发送消息(消息接收者需根据检索参数、上一次检索参数来确定是否需要刷新)
                            UIMessageEventArgs eventArgs = new UIMessageEventArgs(this, m_TagInfo);
                            UIMessageManager.FireEvent(MsgEventDefine.Dict_RefreshWithParam, eventArgs);
                            //lbTitle2.Text = e.Node.ToolTipText;
                        }
                        return;
                    }

                    //设置字典信息标题
                    lbTitle2.Text = e.Node.ToolTipText;

                    //装载新的控件
                    string moduleName = this.GetType().Module.Name;
                    if (moduleName.EndsWith(".dll"))
                    {
                        moduleName = moduleName.Remove(moduleName.Length - 4, 4);
                    }
                    
                    string typeName = moduleName + "." + m_TagInfo.ControlName;
                    //Type type = Type.GetType(typeName, true, true);
                    //m_CurrentUC = (UCDictBase)Activator.CreateInstance(type, null);
                    m_CurrentUC = (UCDictBase)this.GetType().Assembly.CreateInstance(typeName);
                    this.panelUC.Controls.Add(m_CurrentUC);
                    m_CurrentUC.Dock = DockStyle.Fill;
                    if (string.IsNullOrEmpty(m_CurrentUC.LookUpPromptText))
                        this.txtLookUpDW.LoopUpPrompt = "不支持快速定位";
                    else
                        this.txtLookUpDW.LoopUpPrompt = m_CurrentUC.LookUpPromptText;

                    //发送消息(如果控件订阅了消息，则根据检索参数刷新数据，否则自行控制数据检索)
                    UIMessageEventArgs ee = new UIMessageEventArgs(this, m_TagInfo);
                    UIMessageManager.FireEvent(MsgEventDefine.Dict_RefreshWithParam, ee);
                }
                catch (Exception ex)
                {
                    m_CurrentUC = null;
                    MessageBox.Show("创建实例出错：" + ex.Message + "\n详细信息：" + ex.ToString());
                }
                finally
                {
                    //
                }
            }
        }

        /// <summary>
        /// 在展开树节点前发生的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected virtual void tvCatalog_BeforeExpand(object sender, TreeViewCancelEventArgs e)
        {

        }



        /// <summary>
        /// 在折叠树节点前发生的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected virtual void tvCatalog_BeforeCollapse(object sender, TreeViewCancelEventArgs e)
        {

        }

        /// <summary>
        /// 在选定树节点前发生的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected virtual void tvCatalog_BeforeSelect(object sender, TreeViewCancelEventArgs e)
        {
            //分割Tag
            m_TagInfo = this.SplitNodeTag(e.Node.Tag);
            if (m_TagInfo.ControlName == "")
            {
                return;
            }
            else
            {
                if (m_CurrentUC != null)
                {
                    //使用相同控件，但检索参数不同的，不需要将控件卸载
                    if (m_CurrentUC.GetType().Name == m_TagInfo.ControlName)
                    {
                        return;
                    }

                    //卸载控件，AfterSelect事件需要装载新的控件
                    DialogResult result = DialogResult.No;
                    if (m_CurrentUC.IsModified)
                    {
                        result = MessageBox.Show(this, "数据已修改，是否需要保存？", MsgTitle.Prompt, MessageBoxButtons.YesNo, MessageBoxIcon.Question);
                    }
                    if (result == DialogResult.Yes)
                    {
                        e.Cancel = true;
                        return;
                    }
                    else
                    {
                        UnLoadControl(m_CurrentUC);
                    }
                }
            }

        }

        #endregion

        public struct TagInfo
        {
            public string ControlName;
            public string RefreshParam;
        }

        private TagInfo SplitNodeTag(object tag)
        {
            TagInfo tagInfo;
            if (tag == null || tag.ToString() == "")
            {
                tagInfo.ControlName = "";
                tagInfo.RefreshParam = "";
            }
            else
            {
                string temp = tag.ToString();
                int index = temp.IndexOf("|||");
                if (index > -1)
                {
                    tagInfo.ControlName = temp.Substring(0, index);
                    tagInfo.RefreshParam = temp.Substring(index + 3);
                }
                else
                {
                    tagInfo.ControlName = temp;
                    tagInfo.RefreshParam = "";
                }
            }

            return tagInfo;
        }

        protected void LoadControl(UCDictBase uc)
        {
            this.panelUC.Controls.Add(uc);
            m_CurrentUC = uc;
        }

        protected void UnLoadControl(UCDictBase uc)
        {
            uc.Dispose();
            this.panelUC.Controls.Remove(uc);
            m_CurrentUC = null;
        }

        private void FDictBase_Load(object sender, EventArgs e)
        {
            this.InitTreeView();
        }
    }

}