[置顶] Ext.Net 1.x_Ext.Net.Grid拖动行排序，【最上】【最下】【上移】【下移】按钮排序
对于GridPanel中拖动选中行排序的实现，网上有不少ExtJs实现的例子，但是没有找到使用Ext.net实现的，正好最近有个需求要使用，干脆来写一个。
DEMO功能说明：
- 1、拖动GridPanel选中行到新位置排序。
- 2、在拖动结束后，重新会选中前面拖动的行。
- 3、拖动排序功能支持Grid单选与多选模式。
- 4、加了【最上】【最下】【上移】【下移】四个按钮排序的功能。目前按钮排序只能在Grid的单选模式下使用。
功能演示：
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1、单选
![[置顶] Ext.Net 1.x_Ext.Net.Grid拖动行排序，【最上】【最下】【上移】【下移】按钮排序_第1张图片](http://img.e-com-net.com/image/info5/d2b4dad7ce8e47be8b4a009a4f662904.png)
![[置顶] Ext.Net 1.x_Ext.Net.Grid拖动行排序，【最上】【最下】【上移】【下移】按钮排序_第2张图片](http://img.e-com-net.com/image/info5/823d0726b0f94f91b321285698a30dc1.png)
2、多选
![[置顶] Ext.Net 1.x_Ext.Net.Grid拖动行排序，【最上】【最下】【上移】【下移】按钮排序_第3张图片](http://img.e-com-net.com/image/info5/071792586cf9401d9d6224ec468d2b44.png)
![[置顶] Ext.Net 1.x_Ext.Net.Grid拖动行排序，【最上】【最下】【上移】【下移】按钮排序_第4张图片](http://img.e-com-net.com/image/info5/a486b642516a4c7ebd2a4be9f3564416.png)
按钮的排序功能，有兴趣的朋友可以自己试一下，就不截图了，在使用按钮排序时，请将SingleSelect设置为true
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="GridRecordOrder.aspx.cs" Inherits="ExtNetSamples.GridDragDrop.GridRecordOrder" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %> <html xmlns="http://www.w3.org/1999/xhtml"> <head id="Head1" runat="server"> <title></title> <script type="text/javascript"> var notifyDrop = function (ddSource, e, data) { var grid = data.grid; var store = grid.store; var rows = grid.getSelectionModel().getSelections(); var cindex = ddSource.getDragData(e).rowIndex; if (cindex == undefined || cindex < 0) { e.cancel = true; return; } //纪录拖放后被拖放纪录的新rowIndex var dragDropedRowIndexs = new Array(); var newRowIndex = cindex; var total = store.getTotalCount(); //当在选中多行拖动调整时，计算新的行索引起始位置 if ((cindex + rows.length) > total) { newRowIndex = total - rows.length; } for (var i = 0; i < rows.length; i++) { var rowdata = store.getById(rows[i].id); if (!this.copy) { store.remove(store.getById(rows[i].id)); store.insert(cindex, rowdata); dragDropedRowIndexs[i] = newRowIndex + i; if (parseInt(cindex + 1) < parseInt(total)) { /* * 通过这里取得拖动后的顺序，可处理自己的逻辑，比如存数据库 */ //拖动行的Order（原顺序） var hiDargId = store.getById(rows[i].id).get("Order"); //拖动后的Order(新顺序) var newId = store.getAt(cindex + 1).get("Order"); } } } grid.getSelectionModel().selectRows(dragDropedRowIndexs); }; function showErrorMsg(msg) { Ext.Msg.show({ title: '错误', msg: msg, buttons: Ext.Msg.OK, icon: Ext.MessageBox.ERROR }); } var selectedRowIndex = undefined; /* * 行选中事件 *参数：model:selectionModel,rowIndex:选中行索引 */ var rowSelect = function (model, rowIndex) { selectedRowIndex = rowIndex; } function changeOrder(grid, commandName) { if (!grid.getSelectionModel().singleSelect) { showErrorMsg("使用【最上】【上移】【下移】【最下】按钮调整顺序的方式，暂只支持单选模式,！请设置:ext:RowSelectionModel ID=\"RowSelectionModel1\" SingleSelect=\"<b>true</b>\" runat=\"server\""); return; } //获取选中行 var selectedRow = grid.getSelectionModel().getSelected(); //如果没有选中行，提示错误 if (!selectedRow) { showErrorMsg("请选中要调整顺序的行！"); return; } var cindex = undefined; var store = grid.getStore(); var total = store.getTotalCount(); store.remove(selectedRow); switch (commandName) { case "top": cindex = 0; store.insert(cindex, selectedRow); break; case "bottom": cindex = total -1; store.insert(cindex, selectedRow); break; case "up": if (selectedRowIndex != undefined && selectedRowIndex > 0) { cindex = selectedRowIndex - 1; store.insert(cindex, selectedRow); } else { cindex = 0; store.insert(cindex, selectedRow); } break; case "down": if (selectedRowIndex != undefined && selectedRowIndex < total -1) { cindex = selectedRowIndex + 1; store.insert(cindex, selectedRow); } else { cindex = total -1; store.insert(cindex, selectedRow); } break; default: showErrorMsg("没有找到正确的CommandName!"); } //重新选中行 grid.getSelectionModel().selectRow(cindex); } </script> </head> <body> <form id="Form1" runat="server"> <ext:ResourceManager ID="ResourceManager1" runat="server" /> <div style="padding-left:20px;"> <br /> <h1>拖动Grid的行调整顺序</h1> <p style="font-size:12px;">拖动行调整顺序，若只使用拖动来调整行顺序，可支持选中多纪录，但若需要使用【最上】、【上移】、【下移】、【最下】按钮的功能，必须设置单选行模式.</p> <br /> <ext:Store ID="Store1" runat="server"> <Reader> <ext:JsonReader> <Fields> <ext:RecordField Name="Id" /> <ext:RecordField Name="Name" /> <ext:RecordField Name="Sex" /> <ext:RecordField Name="Address" /> <ext:RecordField Name="Order" /> </Fields> </ext:JsonReader> </Reader> </ext:Store> <ext:Panel ID="Panel1" runat="server" Width="650" Height="300" Layout="FitLayout" Frame="true"> <Items> <ext:GridPanel ID="GridPanel1" runat="server" DDGroup="DDGroup" Draggable="true" StoreID="Store1" EnableDragDrop="true" StripeRows="true" AutoExpandColumn="Address" Width="325" Title="Left"> <ColumnModel> <Columns> <ext:Column ColumnID="Name" Header="姓名" Width="160" DataIndex="Name" /> <ext:Column Header="性别" Width="60" DataIndex="Sex" /> <ext:Column Header="地址" Width="60" DataIndex="Address" ColumnID="Address" /> <ext:Column Header="顺序" Width="60" DataIndex="Order" /> </Columns> </ColumnModel> <SelectionModel> <ext:RowSelectionModel ID="RowSelectionModel1" SingleSelect="true" runat="server"> <Listeners> <RowSelect Fn="rowSelect" /> </Listeners> </ext:RowSelectionModel> </SelectionModel> </ext:GridPanel> </Items> <BottomBar> <ext:Toolbar ID="Toolbar1" runat="server"> <Items> <ext:Button runat="Server" ID="BtnTop" Icon="BulletArrowTop" Text="最上"> <Listeners> <Click Handler="changeOrder(#{GridPanel1},'top')" /> </Listeners> </ext:Button> <ext:ToolbarSpacer /> <ext:Button runat="Server" ID="BtnUp" Icon="BulletArrowUp" Text="上移"> <Listeners> <Click Handler="changeOrder(#{GridPanel1},'up')" /> </Listeners> </ext:Button> <ext:ToolbarSpacer /> <ext:Button runat="Server" ID="BtnDown" Icon="BulletArrowDown" Text="下移" > <Listeners> <Click Handler="changeOrder(#{GridPanel1},'down')" /> </Listeners> </ext:Button> <ext:ToolbarSpacer /> <ext:Button runat="Server" ID="BtnBottom" Icon="BulletArrowBottom" Text="最下"> <Listeners> <Click Handler="changeOrder(#{GridPanel1},'bottom')" /> </Listeners> </ext:Button> <ext:ToolbarFill ID="ToolbarFill1" runat="server" /> <ext:Button ID="Button1" runat="server" Text="Reset"> <Listeners> <Click Handler="Store1.loadData(Store1.proxy.data);" /> </Listeners> </ext:Button> </Items> </ext:Toolbar> </BottomBar> </ext:Panel> <ext:DropTarget ID="DropTarget1" runat="server" Target="={GridPanel1.getView().mainBody}" Group="DDGroup"> <NotifyDrop Fn="notifyDrop" /> </ext:DropTarget> </div> </form> </body> </html>
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace ExtNetSamples.GridDragDrop { public partial class GridRecordOrder : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { List<object> data = new List<object>(); for (int i = 0; i < 10; i++) { data.Add(new { Id = i, Name = "Name " + i, Sex = i % 2 == 0 ? "男" : "女", Address = "四川省成都市XX区XX路XX号", Order = i }); } this.Store1.DataSource = data; this.Store1.DataBind(); } } }
DEMO下载地址： http://download.csdn.net/download/llxchen/3687672 -