public void Initialize <T>(
// 给定一个 加载器，用于给 ButtonEdit 控制
ControlLoader loader,
// 要加载的控件
string controlPath,
// 检查事前条件
Func <ASPxButtonEdit, HiddenField, bool> preShow,
// 当下拉面板被拉下的时候（加载器，控件对象，输入框，是否第一次加载）
Action <T, ASPxButtonEdit, HiddenField, bool> show,
// 当值被选定的时候
Func <T, ASPxButtonEdit, HiddenField, bool> set,
// 清除值
Action <ASPxButtonEdit> clear = null,
// 额外配置 Loader
Action <ControlLoader.Configurator <T> > config = null) where T : BaseControl
{
// 观察下拉按钮
b.ValidationSettings.CausesValidation = false;
b.ButtonClick += (s, e) =>
{
switch (e.ButtonIndex)
{
case 0: // 弹出
// 事前检验
if (!preShow(BE, h))
{
return;
}
// 如果没有加载则进行加载
if (loader.HostingControl == null)
{
loader.Begin <T>(controlPath, null, c => show(c, b, h, true), config);
}
else
{
if (loader.HostingControl is T)
{
T c = loader.HostingControl as T;
show(c, b, h, false);
// -- 拷贝 loader 的实现片段 --
if (config != null)
{
loader.ForConfigurator <T>(config, null, new ControlLoader.Configurator <T>(c, loader));
loader.ForConfigurator <T>(cc =>
{
if (cc.FooterLoaded)
{
return; // 已经在 configurator 中加载页脚
}
loader.LoadFooter <Loader.Footer>(execute: f =>
{
f.SpecifyButtonSetting(cc.Buttons);
f.Execute();
});
}, () =>
{
loader.LoadFooter <Loader.Footer>(execute: f => f.Execute());
});
}
// 重新展示
loader.Show();
}
else
{
loader.Begin <T>(controlPath, null, c => show(c, b, h, true), config);
}
}
break;
case 1: // 点击编辑按钮
if (clear != null)
{
clear(b);
}
else
{
Text = Value = null;
}
break;
}
};
// 观察 Loader 的状态，捕获 OK 事件
loader.EventSinked += (c, eType, param) =>
{
if (eType == EventTypes.OK)
{
if (loader.HostingControl is T)
{
if (set((loader.HostingControl as T), b, h))
{
loader.Close();
}
}
}
};
}
/// <summary>
/// Linq 数据导出Excel表格
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="section">标识，例如 Contract，InStorage，等，与 Export 子目录同</param>
/// <param name="data"></param>
/// <param name="headers"></param>
protected virtual string _ExportToExcel <T>(
string prefix, List <T> data, string[] headers, Controls.ControlLoader pop = null)
{
PropertyInfo[] properties = typeof(T).GetProperties();
if (headers.Length < properties.Length)
{
throw new ArgumentException("表头数量不够，请检查", "headers");
}
if (headers.Distinct().Count() < headers.Length)
{
throw new ArgumentException("表头命名不能重复，请检查", "headers");
}
var ds = new DataSet();
var tb = ds.Tables.Add();
var folder = "____temp/export";
// 放表头
for (int i = 0; i < properties.Length; i++)
{
tb.Columns.Add(new DataColumn()
{
Caption = headers[i],
ColumnName = properties[i].Name,
DataType = properties[i].PropertyType,
AllowDBNull = true
});
}
// 放数据
data.ForEach(d =>
{
var row = tb.NewRow();
for (int i = 0;
i < properties.Length; i++)
{
row[i] = properties[i].GetValue(d, null);
}
tb.Rows.Add(row);
});
ds.AcceptChanges();
var file = string.Format("{0}_{1}.xls", prefix, Guid.NewGuid().ToISFormatted()).ToLower();
var path = Util.GetPhysicalPath(folder);
new ExportExcel().ExportExcelData(path, file, tb);
if (pop == null)
{
return(file);
}
pop.Begin <Controls.MessagePanel>("~/_controls.helper/messagepanel.ascx",
null, c =>
{
var l = new WebUI.HyperLink()
{
CssClass = "aBtn",
Text = "点击此处下载 / 浏览",
Target = "_blank",
NavigateUrl = string.Format("~/{0}/{1}", folder, file)
};
l.Font.Bold = true;
l.Font.Size = 12;
c.MessageBody.Controls.Add(l);
c.Title = "成功";
}, c =>
{
c
.Width(400)
.Height(300)
.Title("文件导出")
;
});
return(file);
}