tv20.js

马士兵老师的代码

	//added by msb for the sort and move up/down
	/*if ( this == tv_topnodeitem )
	{
		this.nodeIndex = 0;
	} else {
		this.nodeIndex = this.parent.subitems.length;
	}*/
	//end added

}

//added by msb for the sort and move up/down
function 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);
}//moveUp()

function 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);
}//moveDown()

/*function swap (item1, item2) {
	nodeitems[item1.id] = item2;
	nodeitems[item2.id] = item1;
	idTemp = item1.id;
	item1.id = item2.id;
	item2.id = idTemp;
}*/

//end added

function nodeitem_setTag( obj ) {
    this.tag = obj ;
}

function nodeitem_getTag() {
    return this.tag ;
}



function nodeitem_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() ;
       }
}
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() ;
}

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() ;
       }
}

function nodeitem_boxclick()  {
     if( this.status.substring( 1 ,2 ) == "0" )
       return ; 
	 if( this.status.substring( 1 ,2 ) == "1" )   
        this.open() ;
	 else  
        this.close() ;
}

function nodeitem_close()  {
     this.status = this.status.substring( 0 , 1 ) + "1" + this.status.substring( 2 , 3 ) ;
   	 document.all( "tv_panel_" + this.id ).style.display = "none" ;
   	 eval( "document.all( 'box' + this.id ).src = treeview_box_" + this.status.substring( 0 , 1 ) +"_close" ) ;
}

function nodeitem_open()  {
     this.status = this.status.substring( 0 , 1 ) + "2" + this.status.substring( 2 , 3 ) ;
   	 document.all( "tv_panel_" + this.id ).style.display = "" ;
   	 eval( "document.all( 'box' + this.id ).src = treeview_box_" + this.status.substring( 0 , 1 ) +"_open" ) ;
}

//added by msb for the move up/down
nodeitem.prototype.moveUp = nodeitem_moveUp;
nodeitem.prototype.moveDown = nodeitem_moveDown;
//end added








function deleteNode(  key )   {
    curNode = findNode( key ) ;
	if( curNode == null )
	  return false ;
    curNode.remove() ; 
    return true ;
}
//====== END ================

//===========================================================
// Events
//===========================================================
function box_on_click( obj )  {
    nodeitems[ obj.nodeid ].boxclick() ;
}

tv_curlable = null ;
tv_curlable_f = null ;

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 + "' ) ; " ) ; 
           }

}

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 + "' ) ; " ) ; 
           }
}