378 lines
13 KiB
C#
378 lines
13 KiB
C#
using System.Runtime.Serialization;
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using System.Text.Json.Serialization;
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using System.Text.RegularExpressions;
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using System.Web;
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using System.Xml.Serialization;
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using NewLife.Collections;
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using NewLife.Data;
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using NewLife.Reflection;
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using NewLife.Web;
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using XCode.Configuration;
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namespace NewLife.Cube.ViewModels;
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///// <summary>获取数据委托</summary>
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///// <param name="entity"></param>
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///// <returns></returns>
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//public delegate String GetValueDelegate(Object entity);
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/// <summary>列表字段</summary>
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public class ListField : DataField
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{
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#region 属性
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/// <summary>单元格文字</summary>
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public String Text { get; set; }
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/// <summary>单元格标题。数据单元格上的提示文字</summary>
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public String Title { get; set; }
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/// <summary>单元格链接。数据单元格的链接</summary>
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public String Url { get; set; }
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///// <summary>单元格图标。数据单元格前端显示时的图标或图片</summary>
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//public String Icon { get; set; }
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/// <summary>
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/// 链接目标。参考：TargetEnum
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/// _blank/_self/_parent/_top
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/// 默认：null,会根据皮肤自动判断打开方式，layui:在框架页多标签打开，ace:在当前页面进行跳转
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/// </summary>
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public String Target { get; set; }
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/// <summary>头部文字</summary>
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public String Header { get; set; }
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/// <summary>头部标题。数据移上去后显示的文字</summary>
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public String HeaderTitle { get; set; }
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/// <summary>文本对齐方式</summary>
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public TextAligns TextAlign { get; set; }
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/// <summary>单元格样式</summary>
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public String Class { get; set; }
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/// <summary>最大宽度。用于指定超长隐藏文本的长度</summary>
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public Int32 MaxWidth { get; set; }
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///// <summary>头部链接。一般是排序</summary>
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//public String HeaderUrl { get; set; }
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/// <summary>
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/// 数据动作。参考：DataAction
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/// 默认：null 作为普通url操作；action 走ajax请求</summary>
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public String DataAction { get; set; }
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/// <summary>获取数据委托。可用于自定义列表页单元格数值的显示</summary>
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[XmlIgnore, IgnoreDataMember, JsonIgnore]
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public GetValueDelegate GetValue { get; set; }
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/// <summary>获取样式委托。可用于自定义列表页单元格的样式</summary>
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[XmlIgnore, IgnoreDataMember, JsonIgnore]
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public GetValueDelegate GetClass { get; set; }
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#endregion
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#region 方法
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/// <summary>填充</summary>
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/// <param name="field"></param>
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public override void Fill(FieldItem field)
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{
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base.Fill(field);
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Header = field.DisplayName;
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}
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///// <summary>克隆</summary>
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///// <returns></returns>
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//public override DataField Clone()
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//{
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// var df = base.Clone();
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// if (df is ListField field)
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// {
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// field.Text = Text;
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// field.Title = Title;
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// field.Url = Url;
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// //field.Icon = Icon;
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// field.Target = Target;
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// field.Header = Header;
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// field.HeaderTitle = HeaderTitle;
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// field.DataAction = DataAction;
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// field.GetValue = GetValue;
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// }
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// return df;
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//}
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#endregion
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#region 数据格式化
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private static readonly Regex _reg = new(@"{(\w+(?:\.\w+)*)}", RegexOptions.Compiled);
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private static readonly Regex _reg2 = new(@"{page:(\w+)}", RegexOptions.Compiled);
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private static readonly Regex _reg3 = new(@"{page:(\$?\w+)\(([\w,\s]*)\)}", RegexOptions.Compiled);
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enum EnumModes
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{
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Default = 0,
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String = 1,
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DisplayName = 2,
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Int = 3,
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}
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private static String Replace(String input, IModel data, EnumModes enumMode)
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{
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return _reg.Replace(input, m =>
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{
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//var val = data[m.Groups[1].Value + ""];
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// 循环解析多层数值
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var names = m.Groups[1].Value.Split('.');
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var val = data[names[0]];
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for (var i = 1; i < names.Length && val != null; i++)
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{
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if (val is IModel model)
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val = model[names[i]] ?? val.GetValue(names[i]);
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else
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val = val.GetValue(names[i]);
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}
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// 特殊处理时间
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if (val is DateTime dt) return dt == dt.Date ? dt.ToString("yyyy-MM-dd") : dt.ToFullString();
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if (val != null && val.GetType().IsEnum)
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{
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return enumMode switch
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{
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EnumModes.Default or EnumModes.String => val + "",
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EnumModes.DisplayName => (val as Enum)?.GetDescription() ?? val + "",
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EnumModes.Int => val.ToInt() + "",
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_ => val + "",
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};
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}
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return val + "";
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});
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}
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/// <summary>替换模版中的{page:name}标签数据，从page读取</summary>
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/// <param name="input"></param>
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/// <param name="data"></param>
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/// <param name="enumMode"></param>
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/// <returns></returns>
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private static String Replace(String input, IExtend data, EnumModes enumMode)
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{
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input = _reg2.Replace(input, m =>
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{
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var name = m.Groups[1].Value;
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var val = data[name];
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// 特殊处理时间
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if (val is DateTime dt) return dt == dt.Date ? dt.ToString("yyyy-MM-dd") : dt.ToFullString();
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if (val != null && val.GetType().IsEnum)
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{
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return enumMode switch
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{
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EnumModes.Default or EnumModes.String => val + "",
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EnumModes.DisplayName => (val as Enum)?.GetDescription() ?? val + "",
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EnumModes.Int => val.ToInt() + "",
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_ => val + "",
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};
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}
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return val + "";
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});
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input = _reg3.Replace(input, m =>
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{
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var name = m.Groups[1].Value;
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var ps = m.Groups[2].Value;
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Object val = null;
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if (name.EqualIgnoreCase("$BaseUrl"))
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{
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// 专属标签{page:$BaseUrl(id,name , kind)}，用于拼接Url中的参数，排除指定标签
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if (data is Pager pager)
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val = pager.GetBaseUrl(true, false, false, ps?.Split(",").Select(e => e.Trim()).ToArray());
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}
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// 特殊处理时间
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if (val is DateTime dt) return dt == dt.Date ? dt.ToString("yyyy-MM-dd") : dt.ToFullString();
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return val + "";
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});
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return input;
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}
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/// <summary>针对指定实体对象计算DisplayName，替换其中变量</summary>
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/// <param name="data"></param>
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/// <param name="page"></param>
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/// <returns></returns>
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public virtual String GetDisplayName(IModel data, IExtend page = null)
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{
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if (DisplayName.IsNullOrEmpty()) return null;
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var rs = Replace(DisplayName, data, EnumModes.DisplayName);
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if (page != null && !rs.IsNullOrEmpty()) rs = Replace(rs, page, EnumModes.DisplayName);
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return rs;
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}
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/// <summary>针对指定实体对象计算单元格文字，替换其中变量</summary>
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/// <param name="data"></param>
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/// <param name="page"></param>
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/// <returns></returns>
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public virtual String GetText(IModel data, IExtend page = null)
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{
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var txt = Text;
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if (txt.IsNullOrEmpty()) return null;
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//return _reg.Replace(txt, m => data[m.Groups[1].Value + ""] + "");
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var rs = Replace(txt, data, EnumModes.DisplayName);
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if (page != null && !rs.IsNullOrEmpty()) rs = Replace(rs, page, EnumModes.DisplayName);
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return rs;
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}
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/// <summary>针对指定实体对象计算链接名，替换其中变量</summary>
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/// <param name="data"></param>
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/// <param name="page"></param>
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/// <returns></returns>
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public virtual String GetLinkName(IModel data, IExtend page = null)
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{
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// 如果设置了单元格文字，则优先使用。Text>Entity[name]>DisplayName
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var txt = Text;
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if (txt.IsNullOrEmpty())
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{
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// 在数据列中，实体对象取属性值优先于显示名
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if (Field != null && DisplayName == Field.DisplayName)
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{
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var val = GetValue?.Invoke(data) ?? data[Name];
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if (val is DateTime dt)
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{
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if (ItemType.EqualIgnoreCase("time"))
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{
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val = dt.ToFullString("");
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}
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else if (ItemType.StartsWithIgnoreCase("time-"))
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{
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var format = ItemType.Substring("time-".Length);
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val = dt.ToString(format, "");
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}
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else if (ItemType.EqualIgnoreCase("Date") || ItemType.IsNullOrEmpty() && Name.EndsWith("Date"))
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{
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val = dt.ToString("yyyy-MM-dd", "");
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}
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else
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{
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val = dt.ToFullString("");
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}
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}
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return val + "";
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}
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txt = DisplayName;
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}
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if (txt.IsNullOrEmpty()) return null;
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//return _reg.Replace(txt, m => data[m.Groups[1].Value + ""] + "");
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var rs = Replace(txt, data, EnumModes.DisplayName);
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if (page != null && !rs.IsNullOrEmpty()) rs = Replace(rs, page, EnumModes.DisplayName);
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return rs;
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}
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/// <summary>针对指定实体对象计算超链接HTML，替换其中变量，支持ILinkExtend</summary>
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/// <param name="data"></param>
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/// <param name="page"></param>
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/// <returns></returns>
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public virtual String GetLink(IModel data, IExtend page = null)
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{
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var svc = GetService<ILinkExtend>();
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if (svc != null) return svc.Resolve(this, data);
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var linkName = GetLinkName(data, page);
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//if (linkName.IsNullOrEmpty()) linkName = GetDisplayName(data);
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var url = GetUrl(data, page);
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if (url.IsNullOrEmpty()) return null;
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var title = GetTitle(data, page);
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var target = Target;
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var action = DataAction;
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var sb = Pool.StringBuilder.Get();
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sb.AppendFormat("<a href=\"{0}\"", url);
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if (!target.IsNullOrEmpty()) sb.AppendFormat(" target=\"{0}\"", target);
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if (!action.IsNullOrEmpty()) sb.AppendFormat(" data-action=\"{0}\"", action);
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if (!title.IsNullOrEmpty()) sb.AppendFormat(" title=\"{0}\"", HttpUtility.HtmlEncode(title));
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sb.Append('>');
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sb.Append(HttpUtility.HtmlEncode(linkName));
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sb.Append("</a>");
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var link = sb.Return(true);
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return Replace(link, data, EnumModes.String);
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}
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/// <summary>针对指定实体对象计算url，替换其中变量</summary>
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/// <param name="data"></param>
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/// <param name="page"></param>
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/// <returns></returns>
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public virtual String GetUrl(IModel data, IExtend page = null)
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{
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var svc = GetService<IUrlExtend>();
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if (svc != null) return svc.Resolve(this, data);
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if (Url.IsNullOrEmpty()) return null;
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//return _reg.Replace(Url, m => data[m.Groups[1].Value + ""] + "");
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var rs = Replace(Url, data, EnumModes.Int);
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if (page != null && !rs.IsNullOrEmpty()) rs = Replace(rs, page, EnumModes.Int);
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return rs;
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}
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/// <summary>针对指定实体对象计算title，替换其中变量</summary>
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/// <param name="data"></param>
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/// <param name="page"></param>
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/// <returns></returns>
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public virtual String GetTitle(IModel data, IExtend page = null)
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{
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if (Title.IsNullOrEmpty()) return null;
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//return _reg.Replace(Title, m => data[m.Groups[1].Value + ""] + "");
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var rs = Replace(Title, data, EnumModes.DisplayName);
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if (page != null && !rs.IsNullOrEmpty()) rs = Replace(rs, page, EnumModes.DisplayName);
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return rs;
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}
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/// <summary>获取文本样式</summary>
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/// <returns></returns>
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public String GetTextClass(IModel data)
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{
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if (GetClass != null && data != null) return GetClass(data);
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// 文本对齐方式
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var maxWidth = MaxWidth > 0 ? MaxWidth : 600;
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var tdClass = TextAlign switch
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{
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TextAligns.Default => "",
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TextAligns.Left => "text-left",
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TextAligns.Center => "text-center",
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TextAligns.Right => "text-right",
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TextAligns.Justify => "text-justify",
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TextAligns.Nowrap => $"text-nowrap;max-width:{maxWidth}px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;",
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_ => "",
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};
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// 叠加样式
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if (!Class.IsNullOrEmpty())
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{
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if (tdClass.IsNullOrEmpty() || Class.Contains("text-"))
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tdClass = Class;
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else
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tdClass += ";" + Class;
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}
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if (tdClass.IsNullOrEmpty()) tdClass = null;
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return tdClass;
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}
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#endregion
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} |