JW/Framework/Bowin.Web.Controls.Mvc/Component.ListControl/QQList.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Mvc;

namespace Bowin.Web.Controls.Mvc
{
    public class QQList : BaseControl
    {
        public QQList()
            : base()
        {
            ItemList = new List<ListControlItem>();
        }

        public int? Width { get; set; }
        public int? ItemWidth { get; set; }
        public int? ItemHeight { get; set; }

        private int columnCount = 1;
        public int ColumnCount {
            get {
                return this.columnCount;
            }
            set
            {
                this.columnCount = value;
            }
        }

        public List<ListControlItem> ItemList
        {
            get;
            private set;
        }

        public string ItemSourceUrl { get; set; }

        public string TextField
        {
            get;
            set;
        }

        public string ValueField
        {
            get;
            set;
        }
        /// <summary>
        /// 是否启用
        /// </summary>
        public bool? IsEnabled { get; set; }

        public string OnClick { get; set; }

        public string OnLoadSuccess { get; set; }

        protected IDictionary<string, string> GetPropertyList()
        {
            var dictPropertyList = new Dictionary<string, string>();

            if (string.IsNullOrEmpty(this.ID))
            {
                this.ID = "dynamic_qqlist_" + DateTime.Now.ToString("yyyMMddHHmmssffff") + "_" + NewIDIndex();
            }
            dictPropertyList.Add("id", this.ID);

            if (!string.IsNullOrEmpty(this.Name))
            {
                dictPropertyList.Add("name", "div" + this.Name);
            }

            dictPropertyList.Add("class", string.Format("easyui-qqList {0}", string.IsNullOrEmpty(this.CssClass) ? "" : this.CssClass));

            if (this.Width.HasValue)
            {
                if (this.Width.Value > 1)
                {
                    dictPropertyList.Add("width", this.Width.Value.ToString() + "px");
                }
                else
                {
                    dictPropertyList.Add("width", (this.Width.Value * 100).ToString() + "%");
                }
            }

            #region data-options

            var dictOptions = new Dictionary<string, string>();

            if (!string.IsNullOrEmpty(this.Name))
            {
                dictOptions.Add("itemName", "'" + this.Name + "'");
            }
            else
            {
                dictOptions.Add("itemName", "'" + this.ID + "'");
            }
            dictOptions.Add("columnCount", this.ColumnCount.ToString());

            if (this.ItemWidth.HasValue)
            {
                dictOptions.Add("itemWidth", this.ItemWidth.Value.ToString() + "px");
            }
            else
            {
                dictOptions.Add("itemWidth", "32px");
            }
            if (this.ItemHeight.HasValue)
            {
                dictOptions.Add("itemHeight", this.ItemHeight.Value.ToString() + "px");
            }
            else
            {
                dictOptions.Add("itemHeight", "32px");
            }

            if (!string.IsNullOrEmpty(this.ItemSourceUrl))
            {
                dictOptions.Add("url", "'" + this.ItemSourceUrl + "'");

                if (string.IsNullOrEmpty(this.TextField))
                {
                    throw new Exception("指定了ItemSourceUrl就一定要设置TextField");
                }
                if (string.IsNullOrEmpty(this.ValueField))
                {
                    throw new Exception("指定了ItemSourceUrl就一定要设置ValueField");
                }

            }

            if (this.IsEnabled.HasValue && this.IsEnabled == false)
            {
                dictOptions.Add("isEnabled", "false");
            }
            else
            {
                dictOptions.Add("isEnabled", "true");
            }

            if (!string.IsNullOrEmpty(this.TextField))
            {
                dictOptions.Add("textField", "'" + this.TextField + "'");
            }
            if (!string.IsNullOrEmpty(this.ValueField))
            {
                dictOptions.Add("valueField", "'" + this.ValueField + "'");
            }

            if (!string.IsNullOrEmpty(this.OnClick))
            {
                dictOptions.Add("onclick", this.OnClick);
            }

            if (!string.IsNullOrEmpty(this.OnLoadSuccess))
            {
                dictOptions.Add("onLoadSuccess", this.OnLoadSuccess);
            }

            if (ItemList.Count > 0)
            {
                dictOptions.Add("data",
                        string.Concat("[",
                        string.Join(",", ItemList.Select(x => string.Format("{{ {0}:'{1}',{2}:'{3}' }}", 
                            (string.IsNullOrEmpty(this.TextField) ? "Text" : this.TextField), x.Text,
                            (string.IsNullOrEmpty(this.ValueField) ? "Value" : this.ValueField), x.Value))),
                            "]"));
            }

            dictPropertyList.Add("data-options", string.Join(",", dictOptions.Select(x => string.Format("{0}:{1}", x.Key, x.Value))));


            #endregion data-options

            return dictPropertyList;
        }

        public override string Render()
        {
            TagBuilder tabBuilder = new TagBuilder("div");
            tabBuilder.MergeAttributes<string, string>(GetPropertyList());
            if (this.Attributes != null)
            {
                tabBuilder.MergeAttributes<string, string>(this.Attributes);
            }

            return tabBuilder.ToString(TagRenderMode.Normal);
        }

        public static QQList CreateControl(QQListOptions qqListOptions, IDictionary<string, string> attributes = null)
        {
            QQList qqList = new QQList();

            qqList.CssClass = qqListOptions.CssClass;
            qqList.ID = qqListOptions.ID;
            qqList.ItemList.AddRange(qqListOptions.ItemList);
            qqList.Name = qqListOptions.Name;
            qqList.IsShow = qqListOptions.IsShow;
            qqList.IsEnabled = qqListOptions.IsEnabled;
            qqList.ItemSourceUrl = qqListOptions.ItemSourceUrl;
            qqList.TextField = string.IsNullOrWhiteSpace(qqListOptions.TextField) ? "Text" : qqListOptions.TextField;
            qqList.ValueField = string.IsNullOrWhiteSpace(qqListOptions.ValueField) ? "Value" : qqListOptions.ValueField;
            qqList.Width = qqListOptions.Width;
            qqList.ItemWidth = qqListOptions.ItemWidth;
            qqList.ItemHeight = qqListOptions.ItemHeight;
            qqList.ColumnCount = qqListOptions.ColumnCount;
            qqList.OnClick = qqListOptions.OnClick;
            qqList.OnLoadSuccess = qqListOptions.OnLoadSuccess;

            return qqList;
        }
    }
}