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C#

UserSelector.cs：源码内容
							using System;
using System.Collections;
using System.Web;
using System.Web.UI;
using System.Drawing;
using System.ComponentModel;
using System.Drawing.Design;
using System.Web.UI.WebControls;
[assembly: TagPrefix("OThinker.H3.WorkSheet", "SheetControls")]
namespace OThinker.H3.WorkSheet
{
    /// <summary>
    /// UserSelector 的摘要说明。
    /// </summary>
    [ToolboxBitmap(typeof(UserSelector), "OThinker.H3.WorkSheet.UserSelector.bmp")]
    [ToolboxData("<{0}:UserSelector runat=server></{0}:UserSelector>")]
    public class UserSelector : System.Web.UI.WebControls.WebControl
    {
        /// <summary>
        /// 选择模式
        /// </summary>
        public enum SelectionMode
        {
            /// <summary>
            /// 选择单个
            /// </summary>
            Single,
            /// <summary>
            /// 选择多个
            /// </summary>
            Multi
        }
        private ListBox _UserList = new ListBox();
        /// <summary>
        /// 用于存储多值
        /// </summary>
        public ListBox UserList
        {
            get
            {
                return this._UserList;
            }
        }
        private TextBox _UserIDs = new TextBox();
        /// <summary>
        /// 用于存储用户ID
        /// </summary>
        public TextBox UserIDs
        {
            get
            {
                return this._UserIDs;
            }
        }
        private TextBox _User = new TextBox();
        /// <summary>
        /// 用于显示用户名
        /// </summary>
        public TextBox User
        {
            get
            {
                return this._User;
            }
        }
        public UserSelector()
        {
            // this.User.ReadOnly = true;
            this.User.Attributes.Add("readonly", "readonly");
            this.Controls.Add(this.User);
            this.Controls.Add(this.UserList);
            this.Controls.Add(this.UserIDs);
        }
        #region 选择模式
        private SelectionMode _SelectionMode = SelectionMode.Single;
        public virtual SelectionMode SelectMode
        {
            get
            {
                return this._SelectionMode;
            }
            set
            {
                this._SelectionMode = value;
            }
        }
        #endregion
        #region 选择用户的链接
        private string _SelectUserUrl;
        public virtual string SelectUserUrl
        {
            get
            {
                return this._SelectUserUrl;
            }
            set
            {
                this._SelectUserUrl = value;
            }
        }
        private string _SelectUserImageUrl;
        public virtual string SelectUserImageUrl
        {
            get
            {
                return this._SelectUserImageUrl;
            }
            set
            {
                this._SelectUserImageUrl = value;
            }
        }
        private string _RemoveUserImageUrl;
        public virtual string RemoveUserImageUrl
        {
            get
            {
                return this._RemoveUserImageUrl;
            }
            set
            {
                this._RemoveUserImageUrl = value;
            }
        }
        #endregion
        #region 允许选择的类型
        private bool _CompanySelectable;
        public bool CompanySelectable
        {
            get
            {
                return this._CompanySelectable;
            }
            set
            {
                this._CompanySelectable = value;
            }
        }
        private bool _OrgUnitSelectable;
        public bool OrgUnitSelectable
        {
            get
            {
                return this._OrgUnitSelectable;
            }
            set
            {
                this._OrgUnitSelectable = value;
            }
        }
        private bool _GroupSelectable;
        public bool GroupSelectable
        {
            get
            {
                return this._GroupSelectable;
            }
            set
            {
                this._GroupSelectable = value;
            }
        }
        private bool _UserSelectable;
        public bool UserSelectable
        {
            get
            {
                return this._UserSelectable;
            }
            set
            {
                this._UserSelectable = value;
            }
        }
        #endregion
        #region 可见的类型
        private bool _CompanyVisible = true;
        public bool CompanyVisible
        {
            get
            {
                return this._CompanyVisible;
            }
            set
            {
                this._CompanyVisible = value;
            }
        }
        private bool _OrgUnitVisible = true;
        public bool OrgUnitVisible
        {
            get
            {
                return this._OrgUnitVisible;
            }
            set
            {
                this._OrgUnitVisible = value;
            }
        }
        private bool _GroupVisible = true;
        public bool GroupVisible
        {
            get
            {
                return this._GroupVisible;
            }
            set
            {
                this._GroupVisible = value;
            }
        }
        private bool _UserVisible = true;
        public bool UserVisible
        {
            get
            {
                return this._UserVisible;
            }
            set
            {
                this._UserVisible = value;
            }
        }
        #endregion
        #region 可见类型
        private OThinker.Organization.VisibleType _VisibleType = OThinker.Organization.VisibleType.Normal;
        public OThinker.Organization.VisibleType VisibleType
        {
            get
            {
                return this._VisibleType;
            }
            set
            {
                this._VisibleType = value;
            }
        }
        #endregion
        #region 加载选中的值
        public void LoadSelection(OThinker.Organization.IOrganization Organization, string[] SelectedUsers)
        {
            if (SelectedUsers != null)
            {
                string text = null;
                foreach (string userId in SelectedUsers)
                {
                    string name = Organization.GetName(userId);
                    if (name == null)
                    {
                        continue;
                    }
                    System.Web.UI.WebControls.ListItem item = new System.Web.UI.WebControls.ListItem(name, userId);
                    this.UserList.Items.Add(item);
                    // 初始化文本框
                    text += item.Value + ";";
                }
                this.UserIDs.Text = text;
            }
        }
        public void LoadSelection(OThinker.Organization.IOrganization Organization, string SelectedUser)
        {
            string name = Organization.GetName(SelectedUser);
            if (name != null)
            {
                this.User.Text = name;
                this.UserIDs.Text = SelectedUser;
            }
        }
        #endregion
        #region 选中的用户
        [Browsable(false)]
        public string[] SelectedUsers
        {
            get
            {
                switch (this.SelectMode)
                {
                    case UserSelector.SelectionMode.Single:
                    case UserSelector.SelectionMode.Multi:
                        string[] selectedUsers = new string[0];
                        // 选中的用户的字符串
                        string selectedUsersString = this.UserIDs.Text;
                        if (selectedUsersString != null && selectedUsersString != "")
                        {
                            selectedUsers = selectedUsersString.Split(new char[] { ';' });
                        }
                        // 清除其中为空的数据
                        ArrayList formattedUserList = new ArrayList();
                        foreach (string item in selectedUsers)
                        {
                            if (item != null && item != "")
                            {
                                formattedUserList.Add(item);
                            }
                        }
                        return OThinker.Data.ArrayConvertor<string>.ToArray(formattedUserList);
                    default:
                        throw new NotImplementedException();
                }
            }
        }
        [Browsable(false)]
        public string SelectedUser
        {
            get
            {
                string[] users = this.SelectedUsers;
                if (users == null || users.Length == 0)
                {
                    return null;
                }
                else
                {
                    return users[0];
                }
            }
        }
        #endregion
        #region 是否可编辑
        private bool _Editable = true;
        [Category("WorkSheet"), DefaultValue("")]
        public virtual bool Editable
        {
            get
            {
                return this._Editable;
            }
            set
            {
                this._Editable = value;
            }
        }
        #endregion
        protected override void Render(HtmlTextWriter writer)
        {
            writer.Write("<TABLE WIDTH="" + this.Width + "" HEIGHT="" + this.Height + "" cellpadding="0" cellspacing="0" border="0">");
            writer.Write("<TR VALIGN='TOP'>");
            writer.Write("<TD>");// WIDTH="100%" HEIGHT="100%">");
            this.UserIDs.Attributes.Add("style", "display:none;");
            this.UserIDs.RenderControl(writer);
            double usersWidth = this.Width.Value - 32;
            if (usersWidth < 0)
            {
                usersWidth = 0;
            }
            double usersHeight = this.Height.Value;
            switch (this.SelectMode)
            {
                case SelectionMode.Single:
                    if (this.Width.Type == UnitType.Percentage)
                    {
                        this.User.Attributes.Add("style", "width:95%");
                    }
                    else
                    {
                        this.User.Width = new Unit(usersWidth);
                    }
                    this.User.RenderControl(writer);
                    break;
                case SelectionMode.Multi:
                    string styleAttrbites = null;
                    if (this.Width.Type == UnitType.Percentage)
                    {
                        styleAttrbites = "width:100%;";
                    }
                    else
                    {
                        this.UserList.Width = new Unit(usersWidth);
                    }
                    if (this.Height.Type == UnitType.Percentage)
                    {
                        styleAttrbites += "height:100%;";
                    }
                    else
                    {
                        this.UserList.Height = new Unit(usersHeight);
                    }
                    if (styleAttrbites != null)
                    {
                        this.UserList.Attributes.Add("style", styleAttrbites);
                    }
                    this.UserList.RenderControl(writer);
                    break;
                default:
                    throw new NotImplementedException();
            }
            writer.Write("</TD>");
            writer.Write("<TD>");
            writer.Write("</TD>");
            writer.Write("<TD>");
            // 如果可编辑，则显示编辑按钮
            if (this.Editable)
            {
                int unitType =
                    (this.CompanySelectable ? (int)OThinker.Organization.UnitType.Company : 0) |
                    (this.OrgUnitSelectable ? (int)OThinker.Organization.UnitType.OrganizationUnit : 0) |
                    (this.GroupSelectable ? (int)OThinker.Organization.UnitType.Group : 0) |
                    (this.UserSelectable ? (int)OThinker.Organization.UnitType.User : 0);
                int visibleUnitType =
                    (this.CompanyVisible ? (int)OThinker.Organization.UnitType.Company : 0) |
                    (this.OrgUnitVisible ? (int)OThinker.Organization.UnitType.OrganizationUnit : 0) |
                    (this.GroupVisible ? (int)OThinker.Organization.UnitType.Group : 0) |
                    (this.UserVisible ? (int)OThinker.Organization.UnitType.User : 0);
                string url =
                    this.SelectUserUrl + "?" +
                    "UserControl=" + (this.SelectMode == UserSelector.SelectionMode.Single ? this.User.ClientID : this.UserList.ClientID) + "&" +
                    "Mode=" + (this.SelectMode == UserSelector.SelectionMode.Single ? "Single" : "Multi") + "&" +
                    "UserIDControl=" + this.UserIDs.ClientID + "&" +
                    "UnitType=" + unitType.ToString() + "&" +
                    "VisibleUnitType=" + visibleUnitType + "&" + 
                    "VisibleType=" + (int)this.VisibleType;
                writer.Write("<IMG height="16" src="" + this.SelectUserImageUrl + "" onclick="javascript:childWindowProperties='toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=670,height=500,left=' + window.event.clientX +',top='+ window.event.clientY; window.open('" + url + "', '', childWindowProperties);" style="CURSOR: hand" >");
                string clearScript = null;
                if (this.SelectMode == SelectionMode.Single)
                {
                    clearScript = "document.getElementById('" + this.User.ClientID + "').value='';document.getElementById('" + this.UserIDs.ClientID + "').value='';";
                }
                else
                {
                    clearScript =
                        "var listId='" + this.UserList.ClientID + "';" + System.Environment.NewLine +
                        "var selectedIdId='" + this.UserIDs.ClientID + "';" + System.Environment.NewLine +
                        "var objlist=document.getElementById(listId);" + System.Environment.NewLine +
                        "var removedId;" + System.Environment.NewLine +
                        "if(objlist.length != null && objlist.length != 0)" +
                        "{" +
                            "for(i=objlist.length-1;i>=0;i--)" + System.Environment.NewLine +
                            "{" + System.Environment.NewLine +
                                "if(objlist.options[i].selected == true)" + System.Environment.NewLine +
                                "{" + System.Environment.NewLine +
                                    "removedId = objlist.options[i].value;" + System.Environment.NewLine +
                                    "objlist.remove(i);" + System.Environment.NewLine +
                                "}" + System.Environment.NewLine +
                            "}" + System.Environment.NewLine +
                        "}" +
                        "if(removedId == null || removedId == '')" + System.Environment.NewLine +
                        "{" +
                            "alert('没有选中成员');" + System.Environment.NewLine +
                        "}" +
                        "else" +
                        "{" + System.Environment.NewLine +
                        // 从ID文本中删除
                            @"var selectedUsers = document.getElementById(selectedIdId).value;" + System.Environment.NewLine +
                            @"var start = selectedUsers.indexOf(removedId);
                            var preStr = selectedUsers.substring(0, start);
                            var postStart = start + removedId.length + 1;
                            var postEnd = selectedUsers.length;
                            var postStr = selectedUsers.substring(postStart, postEnd);
        
                            document.getElementById(selectedIdId).value = preStr + postStr;
                        }";
                }
                writer.Write("<IMG height="16" src="" + this.RemoveUserImageUrl + "" onclick="javascript:" + clearScript + "" style="CURSOR: hand" >");
            }
            writer.Write("</TD>");
            writer.Write("</TR>");
            writer.Write("</TABLE>");
        }
    }
}

						