tv20.js

马士兵老师的代码

}
//类stack定义get,put方法
stack.prototype.get = stack_get ;
stack.prototype.put = stack_put ;
//=======END ==========

//=========================================
// new一个stack类的对象,-->userstack
userstack = new stack() ;



/////////////////////////////////////////////////////////////////////////
//暂时不用
///////////////////////////////////////////////////////////////////////////

//========================================
//Envrionment to hold Listeners
//========================================
tv_listeners = new Array() ;
function listener( type , handler )   {
	alert("listener");
	this.type = type ;
	this.handler = handler ;
	this.id = tv_listeners.length ;
	tv_listeners[ tv_listeners.length ] = this ;
}

function addListener( type , handler )  {
	alert("addListener");
    new listener( type , handler ) ;  
 }
//=== END =====

//added by msb for the sort and move up/down
function nodeitem_moveUp() {
	alert("nodeitem_moveUp");
	if (this == tv_topnodeitem) return; //topitem 

	ssubitems = this.parent.subitems;
	for ( i=0; i<ssubitems.length; i++ ) {
		if( ssubitems[i] == this ) {
			break;
		}
	}
	if (i==0) return;
	ssubitems[i] = ssubitems[i-1];
	ssubitems[i-1] = this;
	if (i==ssubitems.length-1) {
		ssubitems[i-1].status = "2" + ssubitems[i-1].status.substring(1, 3);
		ssubitems[i].status = "1" + ssubitems[i].status.substring(1, 3);
	}
	/*
	itemTemp = this;
	ssubitems[this.nodeIndex-1] */
/*	for ( i=0; i<ssubitems.length; i++ ) {
		if( ssubitems[i] != null && ssubitems[i].nodeIndex == (this.nodeIndex-1) )
			previousitem = ssubitems[i]
	}
	previousitem.nodeIndex = this.nodeIndex;
	this.nodeIndex = this.nodeIndex -1;
	swap(this,previousitem);
*/
	//label_on_click(this.id);
	this.parent.refresh();

	lable_on_click(this.id);
}

function nodeitem_moveDown() {
	alert(nodeitem_moveDown)
	if (this == tv_topnodeitem) return; //topitem
	
	ssubitems = this.parent.subitems;
	for ( i=0; i<ssubitems.length; i++ ) {
		if( ssubitems[i] == this ) {
			break;
		}
	}
	if (i==ssubitems.length-1) return;
	ssubitems[i] = ssubitems[i+1];
	ssubitems[i+1] = this;
	if (i==ssubitems.length-2) {
		ssubitems[i+1].status = "1" + ssubitems[i+1].status.substring(1, 3);
		ssubitems[i].status = "2" + ssubitems[i].status.substring(1, 3);
	}

	this.parent.refresh();
		
	lable_on_click(this.id);
}

/*function swap (item1, item2) {
	nodeitems[item1.id] = item2;
	nodeitems[item2.id] = item1;
	idTemp = item1.id;
	item1.id = item2.id;
	item2.id = idTemp;
}*/
function nodeitem_setTag( obj ) {
   alert("nodeitem_setTag");
    this.tag = obj ;
}

function nodeitem_getTag() {
	alert("nodeitem_getTag");
    return this.tag ;
}
//刷新
function nodeitem_refresh()  {
	alert("refresh");
	str = "<table border='0' cellspacing='0' cellpadding='0'><tr><td>" ;
    str_f = "" ;
    for( j = this.parent ; j != null ; j = j.parent )  {
	    if( j.status.substring( 0 , 1 ) == 1 )
		   str_f = "<img src = '" + treeview_box_0_none + "' align='absmiddle'>" + str_f ;
        else
		   str_f = "<img src = '" + treeview_box_0_line + "' align='absmiddle'>" + str_f ;
    }
	str = str + str_f ;
    str += "<img id = 'box" + this.id + "' nodeid = '" + this.id + "' src = '" ;
    switch( this.status.substring( 0 , 2 ) )   {
	        case "10" : str += treeview_box_1_none ; break ;
	        case "11" : str += treeview_box_1_close ; break ;
	        case "12" : str += treeview_box_1_open ; break ;
	        case "20" : str += treeview_box_2_none ; break ;
	        case "21" : str += treeview_box_2_close ; break ;
	        case "22" : str += treeview_box_2_open ; break ;
    }
    str += "' align='absmiddle' onclick='box_on_click(this)'>" ;
    if( this.img == "" )
	    str += this.img ;
    else
	    str += "<img src = '" + this.img + "' align='absmiddle' width='16' height='16'>" ;
    str += "</td><td><table border='0' cellspacing='1' cellpadding='1' style='font-size:9pt; color:#333333' id='lablePanel" + this.id + "'><tr><td ondblclick = 'lable_on_dblclick(" + this.id + ")' onclick='lable_on_click(" + this.id + ")' style='cursor:hand' id='f_lablePanel" + this.id + "' nowrap>" + this.lable + "</td></tr></table></td></tr></table>" ;  
	document.all( "preface" + this.id ).innerHTML = str ;
    document.all( "tv_panel_" + this.id ).innerHTML = "" ;
	for( m = 0 ; m < this.subitems.length ; m ++ )
	   if( this.subitems[ m ] != null )  {
		   userstack.put( m ) ;
		   this.subitems[ m ].show() ;
		   m = userstack.get() ;
       }
}
//删除一个节点
function nodeitem_remove()  {
    pparent = this.parent ;
	if( pparent == null )   {
        removenodeitem( this.id ) ;
   	    for(var i in document.all){
           if (document.all[i].tagName == "BODY")
             {
			   document.all[i].innerHTML = "" ;
               break
             }
          }
		return ;
	}
	lastsubitem = null ;
	for( i = 0 ; i < pparent.subitems.length ; i ++ )
	   if( pparent.subitems[ i ] != null )  
		   if ( pparent.subitems[ i ] == this ) 
		       pparent.subitems[ i ] = null ;
           else
		       lastsubitem = pparent.subitems[ i ] ;

    pparent.maxsubitem = lastsubitem ; 
	if( lastsubitem == null )   
        pparent.status = pparent.status.substring( 0 , 1 ) + "0" + pparent.status.substring( 2 , 3 ) ;
    else   
	    pparent.maxsubitem.status = "1" + pparent.maxsubitem.status.substring( 1 , 3 ) ;
     removenodeitem( this.id ) ;

	//added by msb for move up/down
	arrTemp = new Array();
	j = 0;
	for ( i=0; i<pparent.subitems.length; i++ ) {
		if ( pparent.subitems[i] != null ) {
			arrTemp[j] = pparent.subitems[i];
			j++;
		}
	}
	this.parent.subitems = arrTemp;
	//end added

	 pparent.refresh() ;
	 //tv_topnodeitem.refresh() ;
}
//删除一个节点
function removenodeitem( id )   {
    curitem = nodeitems[ id ] ;
	nodeitems[ id ] = null ;
	for( m = 0 ; m < curitem.subitems.length ; m ++ ) 
	     if( curitem.subitems[ m ] != null )   {
		   userstack.put( m ) ;
		   removenodeitem( curitem.subitems[ m ].id ) ;
		   m = userstack.get() ;
       }
}

//函数:删除一个节点
function deleteNode(  key )   {
    curNode = findNode( key ) ;
	if( curNode == null )
	  return false ;
    curNode.remove() ; 
    return true ;
}

tv_curlable = null ;
tv_curlable_f = null ;


//单击(文字)的时候,调用本方法
function lable_on_click( id )  {
       key = nodeitems[ id ].key ;
       if( nodeitems[ id ].parent == null )
	      parentkey = "" ;
       else
	      parentkey = nodeitems[ id ].parent.key ;
	      	   
	   if( tv_curlable != null )  {
		   tv_curlable.bgColor = "transparent" ;
		   tv_curlable.style.color = "#333333" ;
		   tv_curlable_f.bgColor = "transparent" ;
       }
	       tv_curlable = document.all("lablePanel"+id) ;
		   tv_curlable.bgColor = "#000000" ;
		   tv_curlable.style.color = "#FFFFFF" ;
	       tv_curlable_f = document.all("f_lablePanel"+id) ;
		   tv_curlable_f.bgColor = "#888888" ;

	   for( i = 0 ; i < tv_listeners.length ; i ++ )  
	      if( tv_listeners[ i ].type == "click" )  {
			   h = tv_listeners[ i ].handler ;
			   eval( h + "( '" + key + "' , '" + parentkey + "' ) ; " ) ; 
           }

}
//双击(文字)的时候
function lable_on_dblclick( id ) {
		key = nodeitems[ id ].key ;
       if( nodeitems[ id ].parent == null )
	      parentkey = "" ;
       else
	      parentkey = nodeitems[ id ].parent.key ;
          
	   if( tv_curlable != null )  {
		   tv_curlable.bgColor = "transparent" ;
		   tv_curlable.style.color = "#333333" ;
		   tv_curlable_f.bgColor = "transparent" ;
       }
	       tv_curlable = document.all("lablePanel"+id) ;
		   tv_curlable.bgColor = "#000000" ;
		   tv_curlable.style.color = "#FFFFFF" ;
	       tv_curlable_f = document.all("f_lablePanel"+id) ;
		   tv_curlable_f.bgColor = "#888888" ;
	   for( i = 0 ; i < tv_listeners.length ; i ++ )  
	      if( tv_listeners[ i ].type == "dblclick" )  {
			   h = tv_listeners[ i ].handler ;
			   eval( h + "( '" + key + "' , '" + parentkey + "' ) ; " ) ; 
           }
}