扩展GridView控件(7) - 行的指定复选框选中时改变行的样式

/*正式版的实现 开始*/

/*行的指定复选框选中时改变行的样式 开始*/ 
var yy_sgv_crGridView_pre =  new Array();  // cs中动态向其灌数据（GridView内控件ID的前缀数组） 
var yy_sgv_crCheckbox_post =  new Array();  // cs中动态向其灌数据（数据行的复选框ID的后缀数组） 
var yy_sgv_crClassName = '';  // cs中动态向其灌数据（css 类名） 

var yy_sgv_crCheckbox =  new Array();  // Checkbox数组 
var yy_sgv_crCssClass =  new Array();  // css 类名数组 

function yy_sgv_changeCheckedRowCssClass(obj, cssClass, enableChangeMouseOverCssClass) 
{ 
/// <summary>数据行的指定复选框选中行时改变行的样式</summary> 

         if (yy_sgv_crClassName == '')  return; 
         
         var objChk = obj; 
         var objTr = obj; 
         
         do 
        { 
                objTr = objTr.parentNode; 
        }    
         while (objTr.tagName !=  "TR") 
         
         if (objChk.checked) 
        { 
                yy_sgv_crCheckbox.push(objChk.id); 
                 if (yy_sgv_originalCssClassName != '' && enableChangeMouseOverCssClass) 
                { 
                        yy_sgv_crCssClass.push(yy_sgv_originalCssClassName); 
                } 
                 else 
                { 
                        yy_sgv_crCssClass.push(objTr.className); 
                } 
                         
                objTr.className = cssClass; 
                 
                 if (enableChangeMouseOverCssClass) 
                        yy_sgv_originalCssClassName = cssClass; 
        } 
         else 
        { 
                 for ( var i=0; i<yy_sgv_crCheckbox.length; i++) 
                { 
                         if (yy_sgv_crCheckbox[i] == objChk.id) 
                        { 
                                objTr.className = yy_sgv_originalCssClassName = yy_sgv_crCssClass[i]; 
                                yy_sgv_crCheckbox.splice(i, 1); 
                                yy_sgv_crCssClass.splice(i, 1); 
                                 
                                 break; 
                        } 
                } 
        } 
} 

function yy_sgv_crCheck(e)    
{ 
/// <summary>单击数据行的复选框时</summary> 

         var evt = e || window.event;  // FF || IE 
         var obj = evt.target || evt.srcElement     // FF || IE 

        yy_sgv_changeCheckedRowCssClass(obj, yy_sgv_crClassName,  true) 
} 

function yy_sgv_crListener() 
{ 
/// <summary>监听所有数据行的复选框的单击事件</summary> 

         var elements =    document.getElementsByTagName( "INPUT"); 
         
         for (i=0; i< elements.length; i++)    
        {                
                 if (elements[i].type == 'checkbox')    
                { 
                         for (j=0; j<yy_sgv_crGridView_pre.length; j++) 
                        { 
                                 if (elements[i].id.yy_sgv_startsWith(yy_sgv_crGridView_pre[j])    
                                        && elements[i].id.yy_sgv_endsWith(yy_sgv_crCheckbox_post[j])) 
                                { 
                                        yy_sgv_addEvent(elements[i], 'click', yy_sgv_crCheck);    
                                         break; 
                                } 
                        } 
                } 
        }         
} 
        
if (document.all) 
{ 
        window.attachEvent(' yy_sgv_crListener) 
} 
else 
{ 
        window.addEventListener('load', yy_sgv_crListener,  false); 
} 
/*行的指定复选框选中时改变行的样式 结束*/ 

using System; 
using System.Collections.Generic; 
using System.Text; 
 
using System.Web.UI.WebControls; 
using System.Web.UI; 
 
namespace YYControls.SmartGridViewFunction 
{ 
         /// <summary> 
         /// 扩展功能：行的指定复选框选中时改变行的样式 
         /// </summary> 
         public  class CheckedRowCssClassFunction : ExtendFunction 
        { 
                 /// <summary> 
                 /// 构造函数 
                 /// </summary> 
                 public CheckedRowCssClassFunction() 
                        :  base() 
                { 
 
                } 
 
                 /// <summary> 
                 /// 构造函数 
                 /// </summary> 
                 /// <param name="sgv">SmartGridView对象</param> 
                 public CheckedRowCssClassFunction(SmartGridView sgv) 
                        :  base(sgv) 
                { 
 
                } 
 
                 /// <summary> 
                 /// 扩展功能的实现 
                 /// </summary> 
                 protected  override  void Execute() 
                { 
                         this._sgv.PreRender +=  new EventHandler(_sgv_PreRender); 
                } 
 
                 /// <summary> 
                 /// SmartGridView的PreRender事件 
                 /// </summary> 
                 /// <param name="sender"></param> 
                 /// <param name="e"></param> 
                 void _sgv_PreRender( object sender, EventArgs e) 
                { 
                         // 构造向数组中添加成员的脚本 
                         string scriptString = ""; 
                        scriptString += String.Format( "yy_sgv_crGridView_pre.push('{0}');", Helper.Common.GetChildControlPrefix( this._sgv)); 
                        scriptString += String.Format( "yy_sgv_crCheckbox_post.push('{0}');",  this._sgv.CheckedRowCssClass.CheckBoxID); 
                        scriptString += String.Format( "yy_sgv_crClassName = '{0}';",  this._sgv.CheckedRowCssClass.CssClass); 
 
                         // 注册向数组中添加成员的脚本 
                         if (! this._sgv.Page.ClientScript.IsClientScriptBlockRegistered(String.Format( "yy_sgv_checkedRowCssClass_{0}",  this._sgv.ClientID))) 
                        { 
                                 this._sgv.Page.ClientScript.RegisterClientScriptBlock 
                                ( 
                                         this._sgv.GetType(), 
                                        String.Format( "yy_sgv_checkedRowCssClass_{0}",  this._sgv.ClientID), 
                                        scriptString, 
                                         true 
                                ); 
                        } 
                } 
        } 
}

/*正式版的实现 结束*/

/*测试版的实现 开始*/

/// <summary> 
/// 继承自GridView 
/// </summary> 
[ToolboxData( @"<{0}:SmartGridView runat='server'></{0}:SmartGridView>")] 
public  class SmartGridView : GridView 
{ 
}

using System; 
using System.Collections.Generic; 
using System.Text; 
 
using System.ComponentModel; 
 
namespace YYControls.SmartGridView 
{ 
         /// <summary> 
         /// 通过行的CheckBox的选中与否来修改行的样式 
         /// 实体类 
         /// </summary> 
        [TypeConverter( typeof(ExpandableObjectConverter))] 
         public  class ChangeRowCSSByCheckBox 
        { 
                 private  string _checkBoxID; 
                 /// <summary> 
                 /// 根据哪个ChecxBox来判断是否选中了行，指定该CheckBox的ID 
                 /// </summary> 
                [ 
                Description( "根据哪个ChecxBox来判断是否选中了行，指定该CheckBox的ID"), 
                Category( "扩展"), 
                DefaultValue(""), 
                NotifyParentProperty( true) 
                ] 
                 public  string CheckBoxID 
                { 
                        get {  return _checkBoxID; } 
                        set { _checkBoxID = value; } 
                } 
 
                 private  string _cssClassRowSelected; 
                 /// <summary> 
                 /// 选中行的样式的 CSS 类名 
                 /// </summary> 
                [ 
                Description( "选中行的样式的 CSS 类名"), 
                Category( "扩展"), 
                DefaultValue(""), 
                NotifyParentProperty( true) 
                ] 
                 public  string CssClassRowSelected 
                { 
                        get {  return _cssClassRowSelected; } 
                        set { _cssClassRowSelected = value; } 
                } 
 
                 /// <summary> 
                 /// ToString() 
                 /// </summary> 
                 /// <returns></returns> 
                 public  override  string ToString() 
                { 
                         return  "ChangeRowCSSByCheckBox"; 
                } 
        } 
}

private ChangeRowCSSByCheckBox _changeRowCSSByCheckBox; 
                 /// <summary> 
                 /// 通过行的CheckBox的选中与否来修改行的样式 
                 /// </summary> 
                [ 
                Description( "通过行的CheckBox的选中与否来修改行的样式"), 
                Category( "扩展"), 
                DesignerSerializationVisibility(DesignerSerializationVisibility.Content), 
                PersistenceMode(PersistenceMode.InnerProperty) 
                ] 
                 public  virtual ChangeRowCSSByCheckBox ChangeRowCSSByCheckBox 
                { 
                        get 
                        { 
                                 if (_changeRowCSSByCheckBox ==  null) 
                                { 
                                        _changeRowCSSByCheckBox =  new ChangeRowCSSByCheckBox(); 
                                } 
                                 return _changeRowCSSByCheckBox; 
                        } 
                }

using System; 
using System.Collections.Generic; 
using System.Text; 
 
namespace YYControls.SmartGridView 
{ 
         /// <summary> 
         /// javascript 
         /// </summary> 
         public  class JavaScriptConstant 
        { 
                 internal  const  string jsChangeRowClassName =  @"<script type=""text/javascript""> 
                 //<![CDATA[ 
                function yy_ChangeRowClassName(id, cssClass, isForce) 
                { 
                        objRow = document.getElementById(id); 
                         // 如果row的yy_selected属性是'false'或者没有yy_selected属性或者要求强制设置 
                         // 那么修改该行的className 
                         if (!objRow.attributes['yy_selected'] || objRow.attributes['yy_selected'].value == ' false' || isForce ==  true) 
                        { 
                                document.getElementById(id).className = cssClass; 
                        } 
                } 
                 // 设置行的yy_selected属性 
                function yy_SetRowSelectedAttribute(id, bln) 
                { 
                        document.getElementById(id).attributes['yy_selected'].value = bln; 
                } 
                 // 以id结尾的CheckBox执行两次click事件 
                function yy_DoubleClickCheckBox(id) 
                { 
                        var allInput = document.all.tags('INPUT'); 
    　　　　　 for (var i=0; i < allInput.length; i++)    
    　　　　　{ 
    　　　　　         if (allInput[i].type == 'checkbox' && allInput[i].id.endWith('checkitem')) 
     　　　　         { 
                                         // 触发click事件而不执行yy_ClickCheckItem()函数 
                                        isInvokeClickCheckItem =  false; 
        　　　　　　        allInput[i].click(); 
                                        isInvokeClickCheckItem =  false; 
                                        allInput[i].click(); 
     　　　　　　 }            
    　　　　　} 
 
                } 
                String.prototype.endWith = function(oString){        
                        var reg =  new RegExp(oString +  ""$"");        
                         return reg.test( this); 
                }     
                 //]]> 
                </script>"; 
        } 
}

     本文转自webabcd 51CTO博客，原文链接：http://blog.51cto.com/webabcd/345528，如需转载请自行联系原作者