Ticket/InsdepUI/expand/treegrid-dnd/treegrid-dnd.js

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(function($){
	$.extend($.fn.treegrid.defaults, {
		dropAccept:'tr[node-id]',
		onBeforeDrag: function(row){},	// return false to deny drag
		onStartDrag: function(row){},
		onStopDrag: function(row){},
		onDragEnter: function(targetRow, sourceRow){},	// return false to deny drop
		onDragOver: function(targetRow, sourceRow){},	// return false to deny drop
		onDragLeave: function(targetRow, sourceRow){},
		onBeforeDrop: function(targetRow, sourceRow, point){},
		onDrop: function(targetRow, sourceRow, point){},	// point:'append','top','bottom'
	});
	
	$.extend($.fn.treegrid.methods, {
		resetDnd: function(jq){
			return jq.each(function(){
				var state = $.data(this, 'treegrid');
				var opts = state.options;
				var row = $(this).treegrid('find', state.draggingNodeId);
				if (row){
					var tr = opts.finder.getTr(this, row[opts.idField]);
					tr.each(function(){
						var target = this;
						$(target).data('draggable').droppables = $('.droppable:visible').filter(function(){
							return target != this;
						}).filter(function(){
							var accept = $.data(this, 'droppable').options.accept;
							if (accept){
								return $(accept).filter(function(){
									return this == target;
								}).length > 0;
							} else {
								return true;
							}
						});
					});
				}
			});
		},
		enableDnd: function(jq, id){
			if (!$('#treegrid-dnd-style').length){
				$('head').append(
						'<style id="treegrid-dnd-style">' +
						'.treegrid-row-top td{border-top:1px solid red}' +
						'.treegrid-row-bottom td{border-bottom:1px solid red}' +
						'.treegrid-row-append .tree-title{border:1px solid red}' +
						'</style>'
				);
			}
			return jq.each(function(){
				var target = this;
				var state = $.data(this, 'treegrid');
				if (!state.disabledNodes){
					state.disabledNodes = [];					
				}
				var t = $(this);
				var opts = state.options;
				if (id){
					var nodes = opts.finder.getTr(target, id);
					var rows = t.treegrid('getChildren', id);