5.在MVC中使用泛型仓储模式和工作单元来进行增删查改
或者：http://www.codeproject.com/Articles/814768/CRUD-Operations-Using-the-Generic-Repository-Patte
系列目录：
- Relationship in Entity Framework Using Code First Approach With Fluent API【【使用EF Code-First方式和Fluent API来探讨EF中的关系】】
- Code First Migrations with Entity Framework【使用EF 做数据库迁移】
- CRUD Operations Using Entity Framework 5.0 Code First Approach in MVC【在MVC中使用EF 5.0做增删查改】
- CRUD Operations Using the Repository Pattern in MVC【在MVC中使用仓储模式，来做增删查改】
- CRUD Operations Using the Generic Repository Pattern and Unit of Work in MVC【在MVC中使用泛型仓储模式和工作单元来做增删查改】
- CRUD Operations Using the Generic Repository Pattern and Dependency Injection in MVC【在MVC中使用泛型仓储模式和依赖注入，来做增删查改】
源代码下载：https://github.com/caofangsheng93/GenericRepositoryCURD
这篇文章，我将会介绍在ASP.NET MVC应用程序中使用泛型仓储模式和工作单元。我将开发一个程序，对Book实体进行增删查改，为了保证这篇文章简单，便于大家理解泛型仓储模式和工作单元，在这篇文章中，我将只会使用一个Book实体。
在上篇文章中“4.CRUD Operations Using the Repository Pattern in MVC【在MVC中使用仓储模式进行增删查改】“讲到了仓储模式，里面我们为Book实体，创建了一个仓储类，但是这个仓储仅仅是只能为一个实体服务的。试想一下，如果是真正的企业级开发，我们会有很多实体，难道，我们要为每一个实体都创建一个仓储类么？？？显然是不现实的。对于这个问题，我们需要创建一个可以为所有实体公用的仓储，所以这里引入泛型仓储。这样就避免了重复编码。
下面的图中，讲到了两个开发者，讨论一个问题："是否需要创建一个新的零件或者是利用已经存在的零件？" ------如果你选择第一种，那么就是这篇文章讲到的，"4.CRUD Operations Using the Repository Pattern in MVC【在MVC中使用仓储模式进行增删查改】"
但我在这里选择第二种，也就是这篇文章，我将要讲到的。--使用泛型仓储模式来重用代码，减少冗余代码。
既然说到仓储，那么什么是仓储模式呢？
仓储模式旨在数据访问层和业务逻辑层之间创建一个抽象层。仓储模式是数据访问模式，旨在达到数据访问的更松散的耦合性。我们在单独的类，或者类库中创建数据访问的逻辑，这就是仓储。仓储的职责就是和业务逻辑层进行通信。
在这篇文章中，我将会为所有的实体设计一个公共的泛型仓储，另外还有一个工作单元类。这个工作单元类，为每个实体创建仓储的实例，然后仓储实例用来做增删查改操作。我在控制器中创建工作单元类的实例，然后依据具体的实体，创建仓储的实例，然后就可以使用仓储中的方法进行每个操作了。
下面的图表显示了仓储和EF数据上下文之间的关系。在图中，MVC控制器直接通过工作单元和仓储进行交互，而不是直接和EF进行交互。
讲到这里，大家可能就会有疑问了,为什么要使用工作单元呢？？？
工作单元就像它的名字一样，做某件事情。在这篇文章中，工作单元主要做的是：我们创建工作单元的实例，然后工作单元为我们初始化EF数据上下文，然后每个仓储的实例都使用同一个数据上下文实例进行数据库操作。因此工作单元就是，用来确保所有的仓储实例都使用同一个数据上下文实例。
好了理论到此为止，讲的差不多了。现在我们开始进入正题：
先看看项目的结构：
这三个项目就不用做过多介绍了吧，前面的文章已经说了很多次了...
EF.Entity类库中，添加BaseEntity实体：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks; namespace EF.Entity
{
public abstract class BaseEntity
{
/// <summary>
/// ID编号
/// </summary>
public int ID { get; set; } /// <summary>
/// 添加时间
/// </summary>
public DateTime AddedDate { get; set; } /// <summary>
/// 修改时间
/// </summary>
public DateTime ModifiedDate { get; set; } /// <summary>
/// IP地址
/// </summary>
public string IP { get; set; } }
}
Book实体：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks; namespace EF.Entity
{
public class Book:BaseEntity
{
/// <summary>
/// 书名
/// </summary>
public string Title { get; set; } /// <summary>
/// 作者
/// </summary>
public string Author { get; set; } /// <summary>
/// ISBN编号
/// </summary>
public string ISBN { get; set; } /// <summary>
/// 出版时间
/// </summary>
public DateTime PublishedDate { get; set; }
}
}
Entity.Data类库中BookMap类：
using EF.Entity;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.Data.Entity.ModelConfiguration;
using System.Linq;
using System.Text;
using System.Threading.Tasks; namespace EF.Data
{
public class BookMap:EntityTypeConfiguration<Book>
{
public BookMap()
{
//配置主键
this.HasKey(s => s.ID); //配置字段
this.Property(s => s.ID).HasDatabaseGeneratedOption(DatabaseGeneratedOption.Identity);
this.Property(s => s.Author).HasColumnType("nvarchar").HasMaxLength().IsRequired();
this.Property(s => s.AddedDate).IsRequired();
this.Property(s => s.IP).IsOptional();
this.Property(s => s.ISBN).HasColumnType("nvarchar").HasMaxLength().IsRequired();
this.Property(s => s.ModifiedDate).IsOptional();
this.Property(s => s.PublishedDate).IsRequired();
this.Property(s => s.Title).HasColumnType("nvarchar").HasMaxLength().IsRequired(); //配置表名
this.ToTable("Books");
}
}
}
EF数据上下文类：
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Data.Entity.ModelConfiguration;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks; namespace EF.Data
{
public class EFDbContext:DbContext
{
public EFDbContext()
: base("name=DbConnectionString")
{ } protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
var typesToRegister = Assembly.GetExecutingAssembly().GetTypes()
.Where(type => !String.IsNullOrEmpty(type.Namespace))
.Where(type => type.BaseType != null && type.BaseType.IsGenericType
&& type.BaseType.GetGenericTypeDefinition() == typeof(EntityTypeConfiguration<>));
foreach (var type in typesToRegister)
{
dynamic configurationInstance = Activator.CreateInstance(type);
modelBuilder.Configurations.Add(configurationInstance);
}
//base.OnModelCreating(modelBuilder);
}
}
}
然后启用数据库迁移，自动生成数据库，这里的步骤就省略了，因为前面的文章已经说了。
接着，在EF.Data项目中创建泛型仓储类，里面提供了增删查改的方法，这个泛型的仓储类中，有一个带DbContext参数的构造函数，所以当我们实例化仓储的时候，传递一个数据上下文对象给仓储，所有的实体就可以使用同一个数据上下文对象了。我们使用了数据上下文的SaveChange方法，但是你同样可以使用工作单元类的Save方法，因为这两者使用的是同一个数据上下文对象，下面是泛型的仓储类代码：【为了使文章更容易理解，这里我不创建泛型的仓储接口】。
using EF.Entity;
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Data.Entity.Validation;
using System.Linq;
using System.Text;
using System.Threading.Tasks; namespace EF.Data
{
/// <summary>
/// 泛型仓储类
/// </summary>
/// <typeparam name="T"></typeparam>
public class Repository<T> where T:BaseEntity
{
/// <summary>
/// 数据上下文变量
/// </summary>
private readonly EFDbContext db;
string errorMessage = string.Empty; #region 封装属性
/// <summary>
/// 实体访问字段
/// </summary>
private IDbSet<T> entities; /// <summary>
/// 封装属性
/// </summary>
public IDbSet<T> Entities
{
get
{
if (entities == null)
{
return entities = db.Set<T>();
}
else
{
return entities;
}
}
}
#endregion #region 构造函数
public Repository(EFDbContext context)
{
this.db = context;
}
#endregion #region 泛型方法--根据Id查找实体
/// <summary>
/// 泛型方法--根据Id查找实体
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public T GetById(int id)
{
return this.entities.Find(id);
}
#endregion #region Insert
public void Insert(T entity)
{
try
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
else
{
this.Entities.Add(entity);//把实体的状态设置为Added
this.db.SaveChanges();//保存到数据库
}
}
catch (DbEntityValidationException dbEx)//DbEntityValidationException
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var item in validationErrors.ValidationErrors)
{
errorMessage += string.Format("Property:{0} Error:{1}", item.PropertyName, item.ErrorMessage) + Environment.NewLine;
}
}
throw new Exception(errorMessage, dbEx);
}
}
#endregion #region Update
public void Update(T entity)
{
try
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
else
{
this.db.SaveChanges();//保存到数据库
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var error in validationErrors.ValidationErrors)
{
errorMessage += string.Format("Property:{0} Error:{1}", error.PropertyName, error.ErrorMessage) + Environment.NewLine;
}
}
//抛出捕获的异常
throw new Exception(errorMessage, dbEx);
}
}
#endregion #region Delete
public void Delete(T entity)
{
try
{
if (entity == null)
{
throw new ArgumentException("entity");
}
else
{
this.db.Entry(entity).State = EntityState.Deleted;
this.db.SaveChanges();
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var error in validationErrors.ValidationErrors)
{
errorMessage += string.Format("Property:{0} Error:{1}", error.PropertyName, error.ErrorMessage) + Environment.NewLine;
}
} throw new Exception(errorMessage, dbEx);
}
}
#endregion #region Table
public virtual IQueryable<T> Table
{
get
{
return this.Entities;
}
}
#endregion }
}
下面创建工作单元类，UnitOfWork,这个工作单元类继承自IDisposable接口，所以它的实例将会在每个控制器中被 释放掉。工作单元类初始化了程序的上下文，工作单元类的核心就是Repository<T>() 类型的泛型方法，这个方法为继承自BaseEntity的每个实体返回了仓储实例。下面是工作单元类的代码：
using EF.Entity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks; namespace EF.Data
{
public class UnitOfWork : IDisposable
{
private readonly EFDbContext db;
private bool disposed;
private Dictionary<string, object> repositories; public UnitOfWork(EFDbContext context)
{
this.db = context; //构造函数中初始化上下文对象
} public UnitOfWork()
{
db = new EFDbContext(); //构造函数中初始化上下文对象
} #region Dispose
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
public virtual void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing)
{
db.Dispose();
}
}
disposed = true;
}
#endregion #region Save
public void Save()
{
db.SaveChanges();
}
#endregion #region Repository<T>()
public Repository<T> Repository<T>() where T : BaseEntity
{
if (repositories == null)
{
repositories = new Dictionary<string, object>(); }
var type = typeof(T).Name;//获取当前成员名称
if (!repositories.ContainsKey(type))//如果repositories中不包含Name
{
var repositoryType = typeof(Repository<>);//获取Repository<>类型
var repositoryInstance = Activator.CreateInstance(repositoryType.MakeGenericType(typeof(T)), db);
repositories.Add(type, repositoryInstance); }
return (Repository<T>)repositories[type]; }
#endregion }
}
好了，底层的代码，写完了，现在开始写控制器的代码：我们创建一个Book控制器，进行增删查改。
using EF.Data;
using EF.Entity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc; namespace EF.Web.Controllers
{
public class BookController : Controller
{
//创建并实例化工作单元来
private UnitOfWork unitOfWork = new UnitOfWork();
private Repository<Book> bookRepository; public BookController()
{
//控制器的构造函数中，通过工作单元类的实例，来调用Repository<T>方法，实例化Book仓储
bookRepository = unitOfWork.Repository<Book>();
} #region Index
public ActionResult Index()
{
IEnumerable<Book> lstBooks = bookRepository.Table.ToList();
return View(lstBooks);
}
#endregion #region CreateEditBook
public ActionResult CreateEditBook(int? id)
{
Book model = new Book();
if (id.HasValue) //如果ID有值
{
model = bookRepository.GetById(id.Value);
return View(model);
}
else
{
return View(model);
}
} [HttpPost]
public ActionResult CreateEditBook(Book model)
{
if (model.ID == )//ID为0表示是添加
{
model.AddedDate = DateTime.Now;
model.ModifiedDate = DateTime.Now;
model.IP = Request.UserHostAddress;//获取客户端的主机地址
bookRepository.Insert(model);
}
else //ID不为0,表示是修改
{
Book editModel= bookRepository.GetById(model.ID);
editModel.Author = model.Author;
editModel.ISBN = model.ISBN;
editModel.Title = model.Title;
editModel.PublishedDate = model.PublishedDate;
editModel.ModifiedDate = model.ModifiedDate;
editModel.IP = Request.UserHostAddress;
bookRepository.Update(editModel); }
if (model.ID > )
{
return RedirectToAction("Index");
}
return View(model);
} #endregion #region DeleteBook
public ActionResult DeleteBook(int id)
{
Book model = bookRepository.GetById(id);
return View(model);
} [HttpPost, ActionName("DeleteBook")]
public ActionResult ConfirmDeleteBook(int id)
{
Book model = bookRepository.GetById(id);
bookRepository.Delete(model);
return RedirectToAction("Index");
}
#endregion #region DetailBook
public ActionResult DetailBook(int id)
{
Book model = bookRepository.GetById(id);
return View(model);
}
#endregion #region Dispose
protected override void Dispose(bool disposing)
{
unitOfWork.Dispose();
base.Dispose(disposing);
}
#endregion
}
}
Index 视图代码：
@model IEnumerable<EF.Entity.Book> <div class="book-example panel panel-primary">
<div class="panel-heading panel-head">Books Listing</div>
<div class="panel-body">
<a id="createEditBookModal" href="@Url.Action("CreateEditBook")" class="btn btn-success">
<span class="glyphicon glyphicon-plus"></span>Book
</a> <table class="table" style="margin: 4px">
<tr>
<th>
@Html.DisplayNameFor(model => model.Title)
</th>
<th>
@Html.DisplayNameFor(model => model.Author)
</th>
<th>
@Html.DisplayNameFor(model => model.ISBN)
</th>
<th>
Action
</th> <th></th>
</tr>
@foreach (var item in Model)
{
<tr>
<td>
@Html.DisplayFor(modelItem => item.Title)
</td>
<td>
@Html.DisplayFor(modelItem => item.Author)
</td>
<td>
@Html.DisplayFor(modelItem => item.ISBN)
</td>
<td>
@Html.ActionLink("Edit", "CreateEditBook", new { id = item.ID }, new { @class = "btn btn-success" }) |
@Html.ActionLink("Details", "DetailBook", new { id = item.ID }, new { @class = "btn btn-primary" }) |
@Html.ActionLink("Delete", "DeleteBook", new { id = item.ID }, new { @class = "btn btn-danger" })
</td>
</tr>
} </table>
</div>
</div>
CraeteEdit视图代码：
@model EF.Entity.Book
@{
ViewBag.Title = "Create Edit Book";
}
<div class="book-example panel panel-primary">
<div class="panel-heading panel-head">Add / Edit Book</div>
<div class="panel-body">
@using (Html.BeginForm())
{
<div class="form-horizontal">
<div class="form-group">
@Html.LabelFor(model => model.Title, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.TextBoxFor(model => model.Title, new { @class = "form-control" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.ISBN, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.TextBoxFor(model => model.ISBN, new { @class = "form-control" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Author, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.TextBoxFor(model => model.Author, new { @class = "form-control" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Published, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.TextBoxFor(model => model.Published, new { @class = "form-control datepicker" })
</div>
</div>
<div class="form-group">
<div class="col-lg-8"></div>
<div class="col-lg-3">
@Html.ActionLink("Back to List", "Index", null, new { @class = "btn btn-default" })
<button class="btn btn-success" id="btnSubmit" type="submit">
Submit
</button>
</div>
</div>
</div>
}
</div>
</div>
@section scripts 这里的话，在布局页中要添加这个块： @RenderSection("scripts", required: false)
{
<script src="~/Scripts/bootstrap-datepicker.js" type="text/javascript"></script>
<script src="~/Scripts/book-create-edit.js" type="text/javascript"></script>
}
DeleteBook视图：
@model EF.Entity.Book
@{
ViewBag.Title = "Delete Book";
}
<div class="book-example panel panel-primary">
<div class="panel-heading panel-head">Delete Book</div>
<div class="panel-body">
<h3>Are you sure you want to delete this?</h3>
<h1>@ViewBag.ErrorMessage</h1>
<div class="form-horizontal">
<div class="form-group">
@Html.LabelFor(model => model.Title, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.Title, new { @class = "form-control" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Author, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.Author, new { @class = "form-control" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.ISBN, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.ISBN, new { @class = "form-control" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Published, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.Published, new { @class = "form-control" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.AddedDate, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.AddedDate, new { @class = "form-control" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.ModifiedDate, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.ModifiedDate, new { @class = "form-control" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.IP, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.IP, new { @class = "form-control" })
</div>
</div>
@using (Html.BeginForm())
{
<div class="form-group">
<div class="col-lg-1"></div>
<div class="col-lg-9">
<input type="submit" value="Delete" class="btn btn-danger" />
@Html.ActionLink("Back to List", "Index", null, new { @class = "btn btn-success" })
</div>
</div>
}
</div>
</div>
</div>
Detail视图：
@model EF.Entity.Book
@{
ViewBag.Title = "Detail Book";
}
<div class="book-example panel panel-primary">
<div class="panel-heading panel-head">Book Detail</div>
<div class="panel-body">
<div class="form-horizontal">
<div class="form-group">
@Html.LabelFor(model => model.Title, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.Title, new { @class = "form-control" })
</div>
</div> <div class="form-group">
@Html.LabelFor(model => model.Author, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.Author, new { @class = "form-control" })
</div>
</div> <div class="form-group">
@Html.LabelFor(model => model.ISBN, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.ISBN, new { @class = "form-control" })
</div>
</div> <div class="form-group">
@Html.LabelFor(model => model.Published, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.Published, new { @class = "form-control" })
</div>
</div> <div class="form-group">
@Html.LabelFor(model => model.AddedDate, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.AddedDate, new { @class = "form-control" })
</div>
</div> <div class="form-group">
@Html.LabelFor(model => model.ModifiedDate, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.ModifiedDate, new { @class = "form-control" })
</div>
</div> <div class="form-group">
@Html.LabelFor(model => model.IP, new { @class = "col-lg-1 control-label" })
<div class="col-lg-9">
@Html.DisplayFor(model => model.IP, new { @class = "form-control" })
</div>
</div> @using (Html.BeginForm())
{
<div class="form-group">
<div class="col-lg-1"></div>
<div class="col-lg-9">
@Html.ActionLink("Edit", "CreateEditBook", new { id = Model.ID }, new { @class = "btn btn-primary" })
@Html.ActionLink("Back to List", "Index", null, new { @class = "btn btn-success" })
</div>
</div>
}
</div>
</div>
</div>
修改一下默认路由为Book控制器，Index方法，然后运行项目》》》
后记：
用到的两个js文件
book-create-edit.js
(function ($) {
function Book() {
var $this = this;
function initializeAddEditBook() {
$('.datepicker').datepicker({
"setDate": new Date(),
"autoclose": true
});
}
$this.init = function () {
initializeAddEditBook();
}
}
$(function () {
var self = new Book();
self.init();
});
}(jQuery))
bootstrap-datepicker.js
/* =========================================================
* bootstrap-datepicker.js
* Repo: https://github.com/eternicode/bootstrap-datepicker/
* Demo: http://eternicode.github.io/bootstrap-datepicker/
* Docs: http://bootstrap-datepicker.readthedocs.org/
* Forked from http://www.eyecon.ro/bootstrap-datepicker
* =========================================================
* Started by Stefan Petre; improvements by Andrew Rowls + contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================= */ (function($, undefined){ var $window = $(window); function UTCDate(){
return new Date(Date.UTC.apply(Date, arguments));
}
function UTCToday(){
var today = new Date();
return UTCDate(today.getFullYear(), today.getMonth(), today.getDate());
}
function alias(method){
return function(){
return this[method].apply(this, arguments);
};
} var DateArray = (function(){
var extras = {
get: function(i){
return this.slice(i)[];
},
contains: function(d){
// Array.indexOf is not cross-browser;
// $.inArray doesn't work with Dates
var val = d && d.valueOf();
for (var i=, l=this.length; i < l; i++)
if (this[i].valueOf() === val)
return i;
return -;
},
remove: function(i){
this.splice(i,);
},
replace: function(new_array){
if (!new_array)
return;
if (!$.isArray(new_array))
new_array = [new_array];
this.clear();
this.push.apply(this, new_array);
},
clear: function(){
this.splice();
},
copy: function(){
var a = new DateArray();
a.replace(this);
return a;
}
}; return function(){
var a = [];
a.push.apply(a, arguments);
$.extend(a, extras);
return a;
};
})(); // Picker object var Datepicker = function(element, options){
this.dates = new DateArray();
this.viewDate = UTCToday();
this.focusDate = null; this._process_options(options); this.element = $(element);
this.isInline = false;
this.isInput = this.element.is('input');
this.component = this.element.is('.date') ? this.element.find('.add-on, .input-group-addon, .btn') : false;
this.hasInput = this.component && this.element.find('input').length;
if (this.component && this.component.length === )
this.component = false; this.picker = $(DPGlobal.template);
this._buildEvents();
this._attachEvents(); if (this.isInline){
this.picker.addClass('datepicker-inline').appendTo(this.element);
}
else {
this.picker.addClass('datepicker-dropdown dropdown-menu');
} if (this.o.rtl){
this.picker.addClass('datepicker-rtl');
} this.viewMode = this.o.startView; if (this.o.calendarWeeks)
this.picker.find('tfoot th.today')
.attr('colspan', function(i, val){
return parseInt(val) + ;
}); this._allow_update = false; this.setStartDate(this._o.startDate);
this.setEndDate(this._o.endDate);
this.setDaysOfWeekDisabled(this.o.daysOfWeekDisabled); this.fillDow();
this.fillMonths(); this._allow_update = true; this.update();
this.showMode(); if (this.isInline){
this.show();
}
}; Datepicker.prototype = {
constructor: Datepicker, _process_options: function(opts){
// Store raw options for reference
this._o = $.extend({}, this._o, opts);
// Processed options
var o = this.o = $.extend({}, this._o); // Check if "de-DE" style date is available, if not language should
// fallback to 2 letter code eg "de"
var lang = o.language;
if (!dates[lang]){
lang = lang.split('-')[];
if (!dates[lang])
lang = defaults.language;
}
o.language = lang; switch (o.startView){
case :
case 'decade':
o.startView = ;
break;
case :
case 'year':
o.startView = ;
break;
default:
o.startView = ;
} switch (o.minViewMode){
case :
case 'months':
o.minViewMode = ;
break;
case :
case 'years':
o.minViewMode = ;
break;
default:
o.minViewMode = ;
} o.startView = Math.max(o.startView, o.minViewMode); // true, false, or Number > 0
if (o.multidate !== true){
o.multidate = Number(o.multidate) || false;
if (o.multidate !== false)
o.multidate = Math.max(, o.multidate);
else
o.multidate = ;
}
o.multidateSeparator = String(o.multidateSeparator); o.weekStart %= ;
o.weekEnd = ((o.weekStart + ) % ); var format = DPGlobal.parseFormat(o.format);
if (o.startDate !== -Infinity){
if (!!o.startDate){
if (o.startDate instanceof Date)
o.startDate = this._local_to_utc(this._zero_time(o.startDate));
else
o.startDate = DPGlobal.parseDate(o.startDate, format, o.language);
}
else {
o.startDate = -Infinity;
}
}
if (o.endDate !== Infinity){
if (!!o.endDate){
if (o.endDate instanceof Date)
o.endDate = this._local_to_utc(this._zero_time(o.endDate));
else
o.endDate = DPGlobal.parseDate(o.endDate, format, o.language);
}
else {
o.endDate = Infinity;
}
} o.daysOfWeekDisabled = o.daysOfWeekDisabled||[];
if (!$.isArray(o.daysOfWeekDisabled))
o.daysOfWeekDisabled = o.daysOfWeekDisabled.split(/[,\s]*/);
o.daysOfWeekDisabled = $.map(o.daysOfWeekDisabled, function(d){
return parseInt(d, );
}); var plc = String(o.orientation).toLowerCase().split(/\s+/g),
_plc = o.orientation.toLowerCase();
plc = $.grep(plc, function(word){
return (/^auto|left|right|top|bottom$/).test(word);
});
o.orientation = {x: 'auto', y: 'auto'};
if (!_plc || _plc === 'auto')
; // no action
else if (plc.length === ){
switch (plc[]){
case 'top':
case 'bottom':
o.orientation.y = plc[];
break;
case 'left':
case 'right':
o.orientation.x = plc[];
break;
}
}
else {
_plc = $.grep(plc, function(word){
return (/^left|right$/).test(word);
});
o.orientation.x = _plc[] || 'auto'; _plc = $.grep(plc, function(word){
return (/^top|bottom$/).test(word);
});
o.orientation.y = _plc[] || 'auto';
}
},
_events: [],
_secondaryEvents: [],
_applyEvents: function(evs){
for (var i=, el, ch, ev; i < evs.length; i++){
el = evs[i][];
if (evs[i].length === ){
ch = undefined;
ev = evs[i][];
}
else if (evs[i].length === ){
ch = evs[i][];
ev = evs[i][];
}
el.on(ev, ch);
}
},
_unapplyEvents: function(evs){
for (var i=, el, ev, ch; i < evs.length; i++){
el = evs[i][];
if (evs[i].length === ){
ch = undefined;
ev = evs[i][];
}
else if (evs[i].length === ){
ch = evs[i][];
ev = evs[i][];
}
el.off(ev, ch);
}
},
_buildEvents: function(){
if (this.isInput){ // single input
this._events = [
[this.element, {
focus: $.proxy(this.show, this),
keyup: $.proxy(function(e){
if ($.inArray(e.keyCode, [,,,,,,,]) === -)
this.update();
}, this),
keydown: $.proxy(this.keydown, this)
}]
];
}
else if (this.component && this.hasInput){ // component: input + button
this._events = [
// For components that are not readonly, allow keyboard nav
[this.element.find('input'), {
focus: $.proxy(this.show, this),
keyup: $.proxy(function(e){
if ($.inArray(e.keyCode, [,,,,,,,]) === -)
this.update();
}, this),
keydown: $.proxy(this.keydown, this)
}],
[this.component, {
click: $.proxy(this.show, this)
}]
];
}
else if (this.element.is('div')){ // inline datepicker
this.isInline = true;
}
else {
this._events = [
[this.element, {
click: $.proxy(this.show, this)
}]
];
}
this._events.push(
// Component: listen for blur on element descendants
[this.element, '*', {
blur: $.proxy(function(e){
this._focused_from = e.target;
}, this)
}],
// Input: listen for blur on element
[this.element, {
blur: $.proxy(function(e){
this._focused_from = e.target;
}, this)
}]
); this._secondaryEvents = [
[this.picker, {
click: $.proxy(this.click, this)
}],
[$(window), {
resize: $.proxy(this.place, this)
}],
[$(document), {
'mousedown touchstart': $.proxy(function(e){
// Clicked outside the datepicker, hide it
if (!(
this.element.is(e.target) ||
this.element.find(e.target).length ||
this.picker.is(e.target) ||
this.picker.find(e.target).length
)){
this.hide();
}
}, this)
}]
];
},
_attachEvents: function(){
this._detachEvents();
this._applyEvents(this._events);
},
_detachEvents: function(){
this._unapplyEvents(this._events);
},
_attachSecondaryEvents: function(){
this._detachSecondaryEvents();
this._applyEvents(this._secondaryEvents);
},
_detachSecondaryEvents: function(){
this._unapplyEvents(this._secondaryEvents);
},
_trigger: function(event, altdate){
var date = altdate || this.dates.get(-),
local_date = this._utc_to_local(date); this.element.trigger({
type: event,
date: local_date,
dates: $.map(this.dates, this._utc_to_local),
format: $.proxy(function(ix, format){
if (arguments.length === ){
ix = this.dates.length - ;
format = this.o.format;
}
else if (typeof ix === 'string'){
format = ix;
ix = this.dates.length - ;
}
format = format || this.o.format;
var date = this.dates.get(ix);
return DPGlobal.formatDate(date, format, this.o.language);
}, this)
});
}, show: function(){
if (!this.isInline)
this.picker.appendTo('body');
this.picker.show();
this.place();
this._attachSecondaryEvents();
this._trigger('show');
}, hide: function(){
if (this.isInline)
return;
if (!this.picker.is(':visible'))
return;
this.focusDate = null;
this.picker.hide().detach();
this._detachSecondaryEvents();
this.viewMode = this.o.startView;
this.showMode(); if (
this.o.forceParse &&
(
this.isInput && this.element.val() ||
this.hasInput && this.element.find('input').val()
)
)
this.setValue();
this._trigger('hide');
}, remove: function(){
this.hide();
this._detachEvents();
this._detachSecondaryEvents();
this.picker.remove();
delete this.element.data().datepicker;
if (!this.isInput){
delete this.element.data().date;
}
}, _utc_to_local: function(utc){
return utc && new Date(utc.getTime() + (utc.getTimezoneOffset()*));
},
_local_to_utc: function(local){
return local && new Date(local.getTime() - (local.getTimezoneOffset()*));
},
_zero_time: function(local){
return local && new Date(local.getFullYear(), local.getMonth(), local.getDate());
},
_zero_utc_time: function(utc){
return utc && new Date(Date.UTC(utc.getUTCFullYear(), utc.getUTCMonth(), utc.getUTCDate()));
}, getDates: function(){
return $.map(this.dates, this._utc_to_local);
}, getUTCDates: function(){
return $.map(this.dates, function(d){
return new Date(d);
});
}, getDate: function(){
return this._utc_to_local(this.getUTCDate());
}, getUTCDate: function(){
return new Date(this.dates.get(-));
}, setDates: function(){
var args = $.isArray(arguments[]) ? arguments[] : arguments;
this.update.apply(this, args);
this._trigger('changeDate');
this.setValue();
}, setUTCDates: function(){
var args = $.isArray(arguments[]) ? arguments[] : arguments;
this.update.apply(this, $.map(args, this._utc_to_local));
this._trigger('changeDate');
this.setValue();
}, setDate: alias('setDates'),
setUTCDate: alias('setUTCDates'), setValue: function(){
var formatted = this.getFormattedDate();
if (!this.isInput){
if (this.component){
this.element.find('input').val(formatted).change();
}
}
else {
this.element.val(formatted).change();
}
}, getFormattedDate: function(format){
if (format === undefined)
format = this.o.format; var lang = this.o.language;
return $.map(this.dates, function(d){
return DPGlobal.formatDate(d, format, lang);
}).join(this.o.multidateSeparator);
}, setStartDate: function(startDate){
this._process_options({startDate: startDate});
this.update();
this.updateNavArrows();
}, setEndDate: function(endDate){
this._process_options({endDate: endDate});
this.update();
this.updateNavArrows();
}, setDaysOfWeekDisabled: function(daysOfWeekDisabled){
this._process_options({daysOfWeekDisabled: daysOfWeekDisabled});
this.update();
this.updateNavArrows();
}, place: function(){
if (this.isInline)
return;
var calendarWidth = this.picker.outerWidth(),
calendarHeight = this.picker.outerHeight(),
visualPadding = ,
windowWidth = $window.width(),
windowHeight = $window.height(),
scrollTop = $window.scrollTop(); var zIndex = parseInt(this.element.parents().filter(function(){
return $(this).css('z-index') !== 'auto';
}).first().css('z-index')) + ;
var offset = this.component ? this.component.parent().offset() : this.element.offset();
var height = this.component ? this.component.outerHeight(true) : this.element.outerHeight(false);
var width = this.component ? this.component.outerWidth(true) : this.element.outerWidth(false);
var left = offset.left,
top = offset.top; this.picker.removeClass(
'datepicker-orient-top datepicker-orient-bottom '+
'datepicker-orient-right datepicker-orient-left'
); if (this.o.orientation.x !== 'auto'){
this.picker.addClass('datepicker-orient-' + this.o.orientation.x);
if (this.o.orientation.x === 'right')
left -= calendarWidth - width;
}
// auto x orientation is best-placement: if it crosses a window
// edge, fudge it sideways
else {
// Default to left
this.picker.addClass('datepicker-orient-left');
if (offset.left < )
left -= offset.left - visualPadding;
else if (offset.left + calendarWidth > windowWidth)
left = windowWidth - calendarWidth - visualPadding;
} // auto y orientation is best-situation: top or bottom, no fudging,
// decision based on which shows more of the calendar
var yorient = this.o.orientation.y,
top_overflow, bottom_overflow;
if (yorient === 'auto'){
top_overflow = -scrollTop + offset.top - calendarHeight;
bottom_overflow = scrollTop + windowHeight - (offset.top + height + calendarHeight);
if (Math.max(top_overflow, bottom_overflow) === bottom_overflow)
yorient = 'top';
else
yorient = 'bottom';
}
this.picker.addClass('datepicker-orient-' + yorient);
if (yorient === 'top')
top += height;
else
top -= calendarHeight + parseInt(this.picker.css('padding-top')); this.picker.css({
top: top,
left: left,
zIndex: zIndex
});
}, _allow_update: true,
update: function(){
if (!this._allow_update)
return; var oldDates = this.dates.copy(),
dates = [],
fromArgs = false;
if (arguments.length){
$.each(arguments, $.proxy(function(i, date){
if (date instanceof Date)
date = this._local_to_utc(date);
dates.push(date);
}, this));
fromArgs = true;
}
else {
dates = this.isInput
? this.element.val()
: this.element.data('date') || this.element.find('input').val();
if (dates && this.o.multidate)
dates = dates.split(this.o.multidateSeparator);
else
dates = [dates];
delete this.element.data().date;
} dates = $.map(dates, $.proxy(function(date){
return DPGlobal.parseDate(date, this.o.format, this.o.language);
}, this));
dates = $.grep(dates, $.proxy(function(date){
return (
date < this.o.startDate ||
date > this.o.endDate ||
!date
);
}, this), true);
this.dates.replace(dates); if (this.dates.length)
this.viewDate = new Date(this.dates.get(-));
else if (this.viewDate < this.o.startDate)
this.viewDate = new Date(this.o.startDate);
else if (this.viewDate > this.o.endDate)
this.viewDate = new Date(this.o.endDate); if (fromArgs){
// setting date by clicking
this.setValue();
}
else if (dates.length){
// setting date by typing
if (String(oldDates) !== String(this.dates))
this._trigger('changeDate');
}
if (!this.dates.length && oldDates.length)
this._trigger('clearDate'); this.fill();
}, fillDow: function(){
var dowCnt = this.o.weekStart,
html = '<tr>';
if (this.o.calendarWeeks){
var cell = '<th class="cw"> </th>';
html += cell;
this.picker.find('.datepicker-days thead tr:first-child').prepend(cell);
}
while (dowCnt < this.o.weekStart + ){
html += '<th class="dow">'+dates[this.o.language].daysMin[(dowCnt++)%]+'</th>';
}
html += '</tr>';
this.picker.find('.datepicker-days thead').append(html);
}, fillMonths: function(){
var html = '',
i = ;
while (i < ){
html += '<span class="month">'+dates[this.o.language].monthsShort[i++]+'</span>';
}
this.picker.find('.datepicker-months td').html(html);
}, setRange: function(range){
if (!range || !range.length)
delete this.range;
else
this.range = $.map(range, function(d){
return d.valueOf();
});
this.fill();
}, getClassNames: function(date){
var cls = [],
year = this.viewDate.getUTCFullYear(),
month = this.viewDate.getUTCMonth(),
today = new Date();
if (date.getUTCFullYear() < year || (date.getUTCFullYear() === year && date.getUTCMonth() < month)){
cls.push('old');
}
else if (date.getUTCFullYear() > year || (date.getUTCFullYear() === year && date.getUTCMonth() > month)){
cls.push('new');
}
if (this.focusDate && date.valueOf() === this.focusDate.valueOf())
cls.push('focused');
// Compare internal UTC date with local today, not UTC today
if (this.o.todayHighlight &&
date.getUTCFullYear() === today.getFullYear() &&
date.getUTCMonth() === today.getMonth() &&
date.getUTCDate() === today.getDate()){
cls.push('today');
}
if (this.dates.contains(date) !== -)
cls.push('active');
if (date.valueOf() < this.o.startDate || date.valueOf() > this.o.endDate ||
$.inArray(date.getUTCDay(), this.o.daysOfWeekDisabled) !== -){
cls.push('disabled');
}
if (this.range){
if (date > this.range[] && date < this.range[this.range.length-]){
cls.push('range');
}
if ($.inArray(date.valueOf(), this.range) !== -){
cls.push('selected');
}
}
return cls;
}, fill: function(){
var d = new Date(this.viewDate),
year = d.getUTCFullYear(),
month = d.getUTCMonth(),
startYear = this.o.startDate !== -Infinity ? this.o.startDate.getUTCFullYear() : -Infinity,
startMonth = this.o.startDate !== -Infinity ? this.o.startDate.getUTCMonth() : -Infinity,
endYear = this.o.endDate !== Infinity ? this.o.endDate.getUTCFullYear() : Infinity,
endMonth = this.o.endDate !== Infinity ? this.o.endDate.getUTCMonth() : Infinity,
todaytxt = dates[this.o.language].today || dates['en'].today || '',
cleartxt = dates[this.o.language].clear || dates['en'].clear || '',
tooltip;
this.picker.find('.datepicker-days thead th.datepicker-switch')
.text(dates[this.o.language].months[month]+' '+year);
this.picker.find('tfoot th.today')
.text(todaytxt)
.toggle(this.o.todayBtn !== false);
this.picker.find('tfoot th.clear')
.text(cleartxt)
.toggle(this.o.clearBtn !== false);
this.updateNavArrows();
this.fillMonths();
var prevMonth = UTCDate(year, month-, ),
day = DPGlobal.getDaysInMonth(prevMonth.getUTCFullYear(), prevMonth.getUTCMonth());
prevMonth.setUTCDate(day);
prevMonth.setUTCDate(day - (prevMonth.getUTCDay() - this.o.weekStart + )%);
var nextMonth = new Date(prevMonth);
nextMonth.setUTCDate(nextMonth.getUTCDate() + );
nextMonth = nextMonth.valueOf();
var html = [];
var clsName;
while (prevMonth.valueOf() < nextMonth){
if (prevMonth.getUTCDay() === this.o.weekStart){
html.push('<tr>');
if (this.o.calendarWeeks){
// ISO 8601: First week contains first thursday.
// ISO also states week starts on Monday, but we can be more abstract here.
var
// Start of current week: based on weekstart/current date
ws = new Date(+prevMonth + (this.o.weekStart - prevMonth.getUTCDay() - ) % * 864e5),
// Thursday of this week
th = new Date(Number(ws) + ( + - ws.getUTCDay()) % * 864e5),
// First Thursday of year, year from thursday
yth = new Date(Number(yth = UTCDate(th.getUTCFullYear(), , )) + ( + - yth.getUTCDay())%*864e5),
// Calendar week: ms between thursdays, div ms per day, div 7 days
calWeek = (th - yth) / 864e5 / + ;
html.push('<td class="cw">'+ calWeek +'</td>'); }
}
clsName = this.getClassNames(prevMonth);
clsName.push('day'); if (this.o.beforeShowDay !== $.noop){
var before = this.o.beforeShowDay(this._utc_to_local(prevMonth));
if (before === undefined)
before = {};
else if (typeof(before) === 'boolean')
before = {enabled: before};
else if (typeof(before) === 'string')
before = {classes: before};
if (before.enabled === false)
clsName.push('disabled');
if (before.classes)
clsName = clsName.concat(before.classes.split(/\s+/));
if (before.tooltip)
tooltip = before.tooltip;
} clsName = $.unique(clsName);
html.push('<td class="'+clsName.join(' ')+'"' + (tooltip ? ' title="'+tooltip+'"' : '') + '>'+prevMonth.getUTCDate() + '</td>');
if (prevMonth.getUTCDay() === this.o.weekEnd){
html.push('</tr>');
}
prevMonth.setUTCDate(prevMonth.getUTCDate()+);
}
this.picker.find('.datepicker-days tbody').empty().append(html.join('')); var months = this.picker.find('.datepicker-months')
.find('th:eq(1)')
.text(year)
.end()
.find('span').removeClass('active'); $.each(this.dates, function(i, d){
if (d.getUTCFullYear() === year)
months.eq(d.getUTCMonth()).addClass('active');
}); if (year < startYear || year > endYear){
months.addClass('disabled');
}
if (year === startYear){
months.slice(, startMonth).addClass('disabled');
}
if (year === endYear){
months.slice(endMonth+).addClass('disabled');
} html = '';
year = parseInt(year/, ) * ;
var yearCont = this.picker.find('.datepicker-years')
.find('th:eq(1)')
.text(year + '-' + (year + ))
.end()
.find('td');
year -= ;
var years = $.map(this.dates, function(d){
return d.getUTCFullYear();
}),
classes;
for (var i = -; i < ; i++){
classes = ['year'];
if (i === -)
classes.push('old');
else if (i === )
classes.push('new');
if ($.inArray(year, years) !== -)
classes.push('active');
if (year < startYear || year > endYear)
classes.push('disabled');
html += '<span class="' + classes.join(' ') + '">'+year+'</span>';
year += ;
}
yearCont.html(html);
}, updateNavArrows: function(){
if (!this._allow_update)
return; var d = new Date(this.viewDate),
year = d.getUTCFullYear(),
month = d.getUTCMonth();
switch (this.viewMode){
case :
if (this.o.startDate !== -Infinity && year <= this.o.startDate.getUTCFullYear() && month <= this.o.startDate.getUTCMonth()){
this.picker.find('.prev').css({visibility: 'hidden'});
}
else {
this.picker.find('.prev').css({visibility: 'visible'});
}
if (this.o.endDate !== Infinity && year >= this.o.endDate.getUTCFullYear() && month >= this.o.endDate.getUTCMonth()){
this.picker.find('.next').css({visibility: 'hidden'});
}
else {
this.picker.find('.next').css({visibility: 'visible'});
}
break;
case :
case :
if (this.o.startDate !== -Infinity && year <= this.o.startDate.getUTCFullYear()){
this.picker.find('.prev').css({visibility: 'hidden'});
}
else {
this.picker.find('.prev').css({visibility: 'visible'});
}
if (this.o.endDate !== Infinity && year >= this.o.endDate.getUTCFullYear()){
this.picker.find('.next').css({visibility: 'hidden'});
}
else {
this.picker.find('.next').css({visibility: 'visible'});
}
break;
}
}, click: function(e){
e.preventDefault();
var target = $(e.target).closest('span, td, th'),
year, month, day;
if (target.length === ){
switch (target[].nodeName.toLowerCase()){
case 'th':
switch (target[].className){
case 'datepicker-switch':
this.showMode();
break;
case 'prev':
case 'next':
var dir = DPGlobal.modes[this.viewMode].navStep * (target[].className === 'prev' ? - : );
switch (this.viewMode){
case :
this.viewDate = this.moveMonth(this.viewDate, dir);
this._trigger('changeMonth', this.viewDate);
break;
case :
case :
this.viewDate = this.moveYear(this.viewDate, dir);
if (this.viewMode === )
this._trigger('changeYear', this.viewDate);
break;
}
this.fill();
break;
case 'today':
var date = new Date();
date = UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), , , ); this.showMode(-);
var which = this.o.todayBtn === 'linked' ? null : 'view';
this._setDate(date, which);
break;
case 'clear':
var element;
if (this.isInput)
element = this.element;
else if (this.component)
element = this.element.find('input');
if (element)
element.val("").change();
this.update();
this._trigger('changeDate');
if (this.o.autoclose)
this.hide();
break;
}
break;
case 'span':
if (!target.is('.disabled')){
this.viewDate.setUTCDate();
if (target.is('.month')){
day = ;
month = target.parent().find('span').index(target);
year = this.viewDate.getUTCFullYear();
this.viewDate.setUTCMonth(month);
this._trigger('changeMonth', this.viewDate);
if (this.o.minViewMode === ){
this._setDate(UTCDate(year, month, day));
}
}
else {
day = ;
month = ;
year = parseInt(target.text(), )||;
this.viewDate.setUTCFullYear(year);
this._trigger('changeYear', this.viewDate);
if (this.o.minViewMode === ){
this._setDate(UTCDate(year, month, day));
}
}
this.showMode(-);
this.fill();
}
break;
case 'td':
if (target.is('.day') && !target.is('.disabled')){
day = parseInt(target.text(), )||;
year = this.viewDate.getUTCFullYear();
month = this.viewDate.getUTCMonth();
if (target.is('.old')){
if (month === ){
month = ;
year -= ;
}
else {
month -= ;
}
}
else if (target.is('.new')){
if (month === ){
month = ;
year += ;
}
else {
month += ;
}
}
this._setDate(UTCDate(year, month, day));
}
break;
}
}
if (this.picker.is(':visible') && this._focused_from){
$(this._focused_from).focus();
}
delete this._focused_from;
}, _toggle_multidate: function(date){
var ix = this.dates.contains(date);
if (!date){
this.dates.clear();
}
else if (ix !== -){
this.dates.remove(ix);
}
else {
this.dates.push(date);
}
if (typeof this.o.multidate === 'number')
while (this.dates.length > this.o.multidate)
this.dates.remove();
}, _setDate: function(date, which){
if (!which || which === 'date')
this._toggle_multidate(date && new Date(date));
if (!which || which === 'view')
this.viewDate = date && new Date(date); this.fill();
this.setValue();
this._trigger('changeDate');
var element;
if (this.isInput){
element = this.element;
}
else if (this.component){
element = this.element.find('input');
}
if (element){
element.change();
}
if (this.o.autoclose && (!which || which === 'date')){
this.hide();
}
}, moveMonth: function(date, dir){
if (!date)
return undefined;
if (!dir)
return date;
var new_date = new Date(date.valueOf()),
day = new_date.getUTCDate(),
month = new_date.getUTCMonth(),
mag = Math.abs(dir),
new_month, test;
dir = dir > ? : -;
if (mag === ){
test = dir === -
// If going back one month, make sure month is not current month
// (eg, Mar 31 -> Feb 31 == Feb 28, not Mar 02)
? function(){
return new_date.getUTCMonth() === month;
}
// If going forward one month, make sure month is as expected
// (eg, Jan 31 -> Feb 31 == Feb 28, not Mar 02)
: function(){
return new_date.getUTCMonth() !== new_month;
};
new_month = month + dir;
new_date.setUTCMonth(new_month);
// Dec -> Jan (12) or Jan -> Dec (-1) -- limit expected date to 0-11
if (new_month < || new_month > )
new_month = (new_month + ) % ;
}
else {
// For magnitudes >1, move one month at a time...
for (var i=; i < mag; i++)
// ...which might decrease the day (eg, Jan 31 to Feb 28, etc)...
new_date = this.moveMonth(new_date, dir);
// ...then reset the day, keeping it in the new month
new_month = new_date.getUTCMonth();
new_date.setUTCDate(day);
test = function(){
return new_month !== new_date.getUTCMonth();
};
}
// Common date-resetting loop -- if date is beyond end of month, make it
// end of month
while (test()){
new_date.setUTCDate(--day);
new_date.setUTCMonth(new_month);
}
return new_date;
}, moveYear: function(date, dir){
return this.moveMonth(date, dir*);
}, dateWithinRange: function(date){
return date >= this.o.startDate && date <= this.o.endDate;
}, keydown: function(e){
if (this.picker.is(':not(:visible)')){
if (e.keyCode === ) // allow escape to hide and re-show picker
this.show();
return;
}
var dateChanged = false,
dir, newDate, newViewDate,
focusDate = this.focusDate || this.viewDate;
switch (e.keyCode){
case : // escape
if (this.focusDate){
this.focusDate = null;
this.viewDate = this.dates.get(-) || this.viewDate;
this.fill();
}
else
this.hide();
e.preventDefault();
break;
case : // left
case : // right
if (!this.o.keyboardNavigation)
break;
dir = e.keyCode === ? - : ;
if (e.ctrlKey){
newDate = this.moveYear(this.dates.get(-) || UTCToday(), dir);
newViewDate = this.moveYear(focusDate, dir);
this._trigger('changeYear', this.viewDate);
}
else if (e.shiftKey){
newDate = this.moveMonth(this.dates.get(-) || UTCToday(), dir);
newViewDate = this.moveMonth(focusDate, dir);
this._trigger('changeMonth', this.viewDate);
}
else {
newDate = new Date(this.dates.get(-) || UTCToday());
newDate.setUTCDate(newDate.getUTCDate() + dir);
newViewDate = new Date(focusDate);
newViewDate.setUTCDate(focusDate.getUTCDate() + dir);
}
if (this.dateWithinRange(newDate)){
this.focusDate = this.viewDate = newViewDate;
this.setValue();
this.fill();
e.preventDefault();
}
break;
case : // up
case : // down
if (!this.o.keyboardNavigation)
break;
dir = e.keyCode === ? - : ;
if (e.ctrlKey){
newDate = this.moveYear(this.dates.get(-) || UTCToday(), dir);
newViewDate = this.moveYear(focusDate, dir);
this._trigger('changeYear', this.viewDate);
}
else if (e.shiftKey){
newDate = this.moveMonth(this.dates.get(-) || UTCToday(), dir);
newViewDate = this.moveMonth(focusDate, dir);
this._trigger('changeMonth', this.viewDate);
}
else {
newDate = new Date(this.dates.get(-) || UTCToday());
newDate.setUTCDate(newDate.getUTCDate() + dir * );
newViewDate = new Date(focusDate);
newViewDate.setUTCDate(focusDate.getUTCDate() + dir * );
}
if (this.dateWithinRange(newDate)){
this.focusDate = this.viewDate = newViewDate;
this.setValue();
this.fill();
e.preventDefault();
}
break;
case : // spacebar
// Spacebar is used in manually typing dates in some formats.
// As such, its behavior should not be hijacked.
break;
case : // enter
focusDate = this.focusDate || this.dates.get(-) || this.viewDate;
this._toggle_multidate(focusDate);
dateChanged = true;
this.focusDate = null;
this.viewDate = this.dates.get(-) || this.viewDate;
this.setValue();
this.fill();
if (this.picker.is(':visible')){
e.preventDefault();
if (this.o.autoclose)
this.hide();
}
break;
case : // tab
this.focusDate = null;
this.viewDate = this.dates.get(-) || this.viewDate;
this.fill();
this.hide();
break;
}
if (dateChanged){
if (this.dates.length)
this._trigger('changeDate');
else
this._trigger('clearDate');
var element;
if (this.isInput){
element = this.element;
}
else if (this.component){
element = this.element.find('input');
}
if (element){
element.change();
}
}
}, showMode: function(dir){
if (dir){
this.viewMode = Math.max(this.o.minViewMode, Math.min(, this.viewMode + dir));
}
this.picker
.find('>div')
.hide()
.filter('.datepicker-'+DPGlobal.modes[this.viewMode].clsName)
.css('display', 'block');
this.updateNavArrows();
}
}; var DateRangePicker = function(element, options){
this.element = $(element);
this.inputs = $.map(options.inputs, function(i){
return i.jquery ? i[] : i;
});
delete options.inputs; $(this.inputs)
.datepicker(options)
.bind('changeDate', $.proxy(this.dateUpdated, this)); this.pickers = $.map(this.inputs, function(i){
return $(i).data('datepicker');
});
this.updateDates();
};
DateRangePicker.prototype = {
updateDates: function(){
this.dates = $.map(this.pickers, function(i){
return i.getUTCDate();
});
this.updateRanges();
},
updateRanges: function(){
var range = $.map(this.dates, function(d){
return d.valueOf();
});
$.each(this.pickers, function(i, p){
p.setRange(range);
});
},
dateUpdated: function(e){
// `this.updating` is a workaround for preventing infinite recursion
// between `changeDate` triggering and `setUTCDate` calling. Until
// there is a better mechanism.
if (this.updating)
return;
this.updating = true; var dp = $(e.target).data('datepicker'),
new_date = dp.getUTCDate(),
i = $.inArray(e.target, this.inputs),
l = this.inputs.length;
if (i === -)
return; $.each(this.pickers, function(i, p){
if (!p.getUTCDate())
p.setUTCDate(new_date);
}); if (new_date < this.dates[i]){
// Date being moved earlier/left
while (i >= && new_date < this.dates[i]){
this.pickers[i--].setUTCDate(new_date);
}
}
else if (new_date > this.dates[i]){
// Date being moved later/right
while (i < l && new_date > this.dates[i]){
this.pickers[i++].setUTCDate(new_date);
}
}
this.updateDates(); delete this.updating;
},
remove: function(){
$.map(this.pickers, function(p){ p.remove(); });
delete this.element.data().datepicker;
}
}; function opts_from_el(el, prefix){
// Derive options from element data-attrs
var data = $(el).data(),
out = {}, inkey,
replace = new RegExp('^' + prefix.toLowerCase() + '([A-Z])');
prefix = new RegExp('^' + prefix.toLowerCase());
function re_lower(_,a){
return a.toLowerCase();
}
for (var key in data)
if (prefix.test(key)){
inkey = key.replace(replace, re_lower);
out[inkey] = data[key];
}
return out;
} function opts_from_locale(lang){
// Derive options from locale plugins
var out = {};
// Check if "de-DE" style date is available, if not language should
// fallback to 2 letter code eg "de"
if (!dates[lang]){
lang = lang.split('-')[];
if (!dates[lang])
return;
}
var d = dates[lang];
$.each(locale_opts, function(i,k){
if (k in d)
out[k] = d[k];
});
return out;
} var old = $.fn.datepicker;
$.fn.datepicker = function(option){
var args = Array.apply(null, arguments);
args.shift();
var internal_return;
this.each(function(){
var $this = $(this),
data = $this.data('datepicker'),
options = typeof option === 'object' && option;
if (!data){
var elopts = opts_from_el(this, 'date'),
// Preliminary otions
xopts = $.extend({}, defaults, elopts, options),
locopts = opts_from_locale(xopts.language),
// Options priority: js args, data-attrs, locales, defaults
opts = $.extend({}, defaults, locopts, elopts, options);
if ($this.is('.input-daterange') || opts.inputs){
var ropts = {
inputs: opts.inputs || $this.find('input').toArray()
};
$this.data('datepicker', (data = new DateRangePicker(this, $.extend(opts, ropts))));
}
else {
$this.data('datepicker', (data = new Datepicker(this, opts)));
}
}
if (typeof option === 'string' && typeof data[option] === 'function'){
internal_return = data[option].apply(data, args);
if (internal_return !== undefined)
return false;
}
});
if (internal_return !== undefined)
return internal_return;
else
return this;
}; var defaults = $.fn.datepicker.defaults = {
autoclose: false,
beforeShowDay: $.noop,
calendarWeeks: false,
clearBtn: false,
daysOfWeekDisabled: [],
endDate: Infinity,
forceParse: true,
format: 'mm/dd/yyyy',
keyboardNavigation: true,
language: 'en',
minViewMode: ,
multidate: false,
multidateSeparator: ',',
orientation: "auto",
rtl: false,
startDate: -Infinity,
startView: ,
todayBtn: false,
todayHighlight: false,
weekStart:
};
var locale_opts = $.fn.datepicker.locale_opts = [
'format',
'rtl',
'weekStart'
];
$.fn.datepicker.Constructor = Datepicker;
var dates = $.fn.datepicker.dates = {
en: {
days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"],
daysShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
daysMin: ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa", "Su"],
months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
monthsShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
today: "Today",
clear: "Clear"
}
}; var DPGlobal = {
modes: [
{
clsName: 'days',
navFnc: 'Month',
navStep:
},
{
clsName: 'months',
navFnc: 'FullYear',
navStep:
},
{
clsName: 'years',
navFnc: 'FullYear',
navStep:
}],
isLeapYear: function(year){
return (((year % === ) && (year % !== )) || (year % === ));
},
getDaysInMonth: function(year, month){
return [, (DPGlobal.isLeapYear(year) ? : ), , , , , , , , , , ][month];
},
validParts: /dd?|DD?|mm?|MM?|yy(?:yy)?/g,
nonpunctuation: /[^ -\/:-@\[\u3400-\u9fff-`{-~\t\n\r]+/g,
parseFormat: function(format){
// IE treats \0 as a string end in inputs (truncating the value),
// so it's a bad format delimiter, anyway
var separators = format.replace(this.validParts, '\0').split('\0'),
parts = format.match(this.validParts);
if (!separators || !separators.length || !parts || parts.length === ){
throw new Error("Invalid date format.");
}
return {separators: separators, parts: parts};
},
parseDate: function(date, format, language){
if (!date)
return undefined;
if (date instanceof Date)
return date;
if (typeof format === 'string')
format = DPGlobal.parseFormat(format);
var part_re = /([\-+]\d+)([dmwy])/,
parts = date.match(/([\-+]\d+)([dmwy])/g),
part, dir, i;
if (/^[\-+]\d+[dmwy]([\s,]+[\-+]\d+[dmwy])*$/.test(date)){
date = new Date();
for (i=; i < parts.length; i++){
part = part_re.exec(parts[i]);
dir = parseInt(part[]);
switch (part[]){
case 'd':
date.setUTCDate(date.getUTCDate() + dir);
break;
case 'm':
date = Datepicker.prototype.moveMonth.call(Datepicker.prototype, date, dir);
break;
case 'w':
date.setUTCDate(date.getUTCDate() + dir * );
break;
case 'y':
date = Datepicker.prototype.moveYear.call(Datepicker.prototype, date, dir);
break;
}
}
return UTCDate(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), , , );
}
parts = date && date.match(this.nonpunctuation) || [];
date = new Date();
var parsed = {},
setters_order = ['yyyy', 'yy', 'M', 'MM', 'm', 'mm', 'd', 'dd'],
setters_map = {
yyyy: function(d,v){
return d.setUTCFullYear(v);
},
yy: function(d,v){
return d.setUTCFullYear(+v);
},
m: function(d,v){
if (isNaN(d))
return d;
v -= ;
while (v < ) v += ;
v %= ;
d.setUTCMonth(v);
while (d.getUTCMonth() !== v)
d.setUTCDate(d.getUTCDate()-);
return d;
},
d: function(d,v){
return d.setUTCDate(v);
}
},
val, filtered;
setters_map['M'] = setters_map['MM'] = setters_map['mm'] = setters_map['m'];
setters_map['dd'] = setters_map['d'];
date = UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), , , );
var fparts = format.parts.slice();
// Remove noop parts
if (parts.length !== fparts.length){
fparts = $(fparts).filter(function(i,p){
return $.inArray(p, setters_order) !== -;
}).toArray();
}
// Process remainder
function match_part(){
var m = this.slice(, parts[i].length),
p = parts[i].slice(, m.length);
return m === p;
}
if (parts.length === fparts.length){
var cnt;
for (i=, cnt = fparts.length; i < cnt; i++){
val = parseInt(parts[i], );
part = fparts[i];
if (isNaN(val)){
switch (part){
case 'MM':
filtered = $(dates[language].months).filter(match_part);
val = $.inArray(filtered[], dates[language].months) + ;
break;
case 'M':
filtered = $(dates[language].monthsShort).filter(match_part);
val = $.inArray(filtered[], dates[language].monthsShort) + ;
break;
}
}
parsed[part] = val;
}
var _date, s;
for (i=; i < setters_order.length; i++){
s = setters_order[i];
if (s in parsed && !isNaN(parsed[s])){
_date = new Date(date);
setters_map[s](_date, parsed[s]);
if (!isNaN(_date))
date = _date;
}
}
}
return date;
},
formatDate: function(date, format, language){
if (!date)
return '';
if (typeof format === 'string')
format = DPGlobal.parseFormat(format);
var val = {
d: date.getUTCDate(),
D: dates[language].daysShort[date.getUTCDay()],
DD: dates[language].days[date.getUTCDay()],
m: date.getUTCMonth() + ,
M: dates[language].monthsShort[date.getUTCMonth()],
MM: dates[language].months[date.getUTCMonth()],
yy: date.getUTCFullYear().toString().substring(),
yyyy: date.getUTCFullYear()
};
val.dd = (val.d < ? '' : '') + val.d;
val.mm = (val.m < ? '' : '') + val.m;
date = [];
var seps = $.extend([], format.separators);
for (var i=, cnt = format.parts.length; i <= cnt; i++){
if (seps.length)
date.push(seps.shift());
date.push(val[format.parts[i]]);
}
return date.join('');
},
headTemplate: '<thead>'+
'<tr>'+
'<th class="prev">«</th>'+
'<th colspan="5" class="datepicker-switch"></th>'+
'<th class="next">»</th>'+
'</tr>'+
'</thead>',
contTemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>',
footTemplate: '<tfoot>'+
'<tr>'+
'<th colspan="7" class="today"></th>'+
'</tr>'+
'<tr>'+
'<th colspan="7" class="clear"></th>'+
'</tr>'+
'</tfoot>'
};
DPGlobal.template = '<div class="datepicker">'+
'<div class="datepicker-days">'+
'<table class=" table-condensed">'+
DPGlobal.headTemplate+
'<tbody></tbody>'+
DPGlobal.footTemplate+
'</table>'+
'</div>'+
'<div class="datepicker-months">'+
'<table class="table-condensed">'+
DPGlobal.headTemplate+
DPGlobal.contTemplate+
DPGlobal.footTemplate+
'</table>'+
'</div>'+
'<div class="datepicker-years">'+
'<table class="table-condensed">'+
DPGlobal.headTemplate+
DPGlobal.contTemplate+
DPGlobal.footTemplate+
'</table>'+
'</div>'+
'</div>'; $.fn.datepicker.DPGlobal = DPGlobal; /* DATEPICKER NO CONFLICT
* =================== */ $.fn.datepicker.noConflict = function(){
$.fn.datepicker = old;
return this;
}; /* DATEPICKER DATA-API
* ================== */ $(document).on(
'focus.datepicker.data-api click.datepicker.data-api',
'[data-provide="datepicker"]',
function(e){
var $this = $(this);
if ($this.data('datepicker'))
return;
e.preventDefault();
// component click requires us to explicitly show it
$this.datepicker('show');
}
);
$(function(){
$('[data-provide="datepicker-inline"]').datepicker();
}); }(window.jQuery));
总结：使用了标准清理模式，每次操作之后，工作单元对象都被销毁了，再次进行其他操作的时候，又会重新创建对象的实例。
完成之后项目的结构是：
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