jqplotでマウスイベント。データ点に触れたらデータラベルのアラート （ズーム後もでるようにする）

jqplot jqplot javascript

postDrawHooksにプロット後の事後処理を書いて、
マウスオーバーイベントをリロードする．
http://stackoverflow.com/questions/10426192/jqplot-how-to-change-opacity-or-z-index-of-canvasoverlay

<html>
<head>
<script src="js/jquery-1.11.1.js"></script>
<!--[if lt IE 9]>
    <script language="javascript" type="text/javascript" src="excanvas.min.js"></script>
<![endif]-->
<script language="javascript" type="text/javascript" src="js/jquery.jqplot.min.js"></script>
<script language="javascript" type="text/javascript" src="js/plugins/jqplot.highlighter.min.js"></script>
<script language="javascript" type="text/javascript" src="js/plugins/jqplot.pointLabels.min.js"></script>
<script language="javascript" type="text/javascript" src="js/plugins/jqplot.cursor.min.js"></script>
<link rel="stylesheet" type="text/css" href="js/jquery.jqplot.min.css" />

<script>
jQuery( function() {
  	function change_from_Taro_to_Jiro(){
  	  $(".ABC").hover(
			function(){$("h1").html("<h1><font size=7> Jiro</font></h1>");},
			function(){$("h1").text("Taro");
		});
 
  	
  	}
  
    var plot2=jQuery . jqplot(
        'jqPlot-sample',
        [
            [ [ 88, 65, '<span class="ABC">A</span>' ], [ 36, 22, '<span class="ABC">B</span>' ], [ 33, 54, '<span class="ABC">C</span>' ], [ 51, 63, '<span class="ABC">D</span>' ], [ 21, 91, '<span class="ABC">E</span>' ], [ 45, 79, '<span class="ABC">F</span>' ] ]
        ],
        {
            seriesDefaults: {
                color: '#7dffc7',
                showLine: false,
                markerOptions: {
                    size: 30
                },
                pointLabels: {
                    show: true,
                    location: 'n',
                    ypadding: -12,
                    escapeHTML: false
                }
            },
            highlighter: {
                show: true,
                showMarker: false,
                tooltipLocation: 'e',
                tooltipAxes: 'xy',
                formatString: 'x:%s, y:%s'
            },
             cursor:{
                show: true,
                zoom: true,
                //constrainZoomTo: 'none',
            }
            
        }
    );
    change_from_Taro_to_Jiro();
  
  $.jqplot.postDrawHooks.push(function(){alert("post draw");change_from_Taro_to_Jiro();})
  
  plot2.replot();	
});

 
</script>
</head>
<body>
<h1>Taro</h1>
<input type="button" value="test1" name="but1" class="b1">
<div class="ppp">
<div id="jqPlot-sample" style="height: 300px; width: 300px;"></div>
</div>
</body>
</html>


マウスクリックイベント方式：

<html>
<head>
<script src="js/jquery-1.11.1.js"></script>
<!--[if lt IE 9]>
    <script language="javascript" type="text/javascript" src="excanvas.min.js"></script>
<![endif]-->
<script language="javascript" type="text/javascript" src="js/jquery.jqplot.min.js"></script>
<script language="javascript" type="text/javascript" src="js/plugins/jqplot.highlighter.min.js"></script>
<script language="javascript" type="text/javascript" src="js/plugins/jqplot.pointLabels.min.js"></script>
<script language="javascript" type="text/javascript" src="js/plugins/jqplot.cursor.min.js"></script>
<link rel="stylesheet" type="text/css" href="js/jquery.jqplot.min.css" />

<script>
jQuery( function() {
    var plot=jQuery . jqplot(
        'jqPlot-sample',
        [
            [ [ 88, 65, '<span class="ABC">A</span>' ], [ 36, 22, '<span class="ABC">B</span>' ], [ 33, 54, '<span class="ABC">C</span>' ], [ 51, 63, '<span class="ABC">D</span>' ], [ 21, 91, '<span class="ABC">E</span>' ], [ 45, 79, '<span class="ABC">F</span>' ] ]
        ],
        {
            seriesDefaults: {
                color: '#7dffc7',
                showLine: false,
                markerOptions: {
                    size: 30
                },
                pointLabels: {
                    show: true,
                    location: 'n',
                    ypadding: -12,
                    escapeHTML: false
                }
            },
            highlighter: {
                show: true,
                showMarker: false,
                tooltipLocation: 'e',
                tooltipAxes: 'xy',
                formatString: 'x:%s, y:%s'
            },
             cursor:{
                show: true,
                zoom: true,
                //constrainZoomTo: 'none',
            }
            
        }
    );
    
 	
	
	function myMouseOverEvent(ev,gridpos,datapos,neighbor,plot)
    { 
  
  	  if(neighbor)
    	{
      		//var X = gridpos.x;
     		//var Y = gridpos.y;
     		   var data_label = neighbor.data[2]; 

    		alert(data_label);
      }
    
  }
  plot.eventListenerHooks.hooks.push(["jqplotMouseMove",myMouseOverEvent]);
  plot.replot();	
});

 
</script>
</head>
<body>
<h1>Taro</h1>
<div id="jqPlot-sample" style="height: 300px; width: 300px;"></div>

</body>
</html>

強引法（mouseoverイベントをリロードするのがポイント）：

<html>
<head>
<script src="js/jquery-1.11.1.js"></script>
<!--[if lt IE 9]>
    <script language="javascript" type="text/javascript" src="excanvas.min.js"></script>
<![endif]-->
<script language="javascript" type="text/javascript" src="js/jquery.jqplot.min.js"></script>
<script language="javascript" type="text/javascript" src="js/plugins/jqplot.highlighter.min.js"></script>
<script language="javascript" type="text/javascript" src="js/plugins/jqplot.pointLabels.min.js"></script>
<script language="javascript" type="text/javascript" src="js/plugins/jqplot.cursor.min.js"></script>
<link rel="stylesheet" type="text/css" href="js/jquery.jqplot.min.css" />

<script>
jQuery( function() {
    var plot=jQuery . jqplot(
        'jqPlot-sample',
        [
            [ [ 88, 65, '<span class="ABC">A</span>' ], [ 36, 22, '<span class="ABC">B</span>' ], [ 33, 54, '<span class="ABC">C</span>' ], [ 51, 63, '<span class="ABC">D</span>' ], [ 21, 91, '<span class="ABC">E</span>' ], [ 45, 79, '<span class="ABC">F</span>' ] ]
        ],
        {
            seriesDefaults: {
                color: '#7dffc7',
                showLine: false,
                markerOptions: {
                    size: 30
                },
                pointLabels: {
                    show: true,
                    location: 'n',
                    ypadding: -12,
                    escapeHTML: false
                }
            },
            highlighter: {
                show: true,
                showMarker: false,
                tooltipLocation: 'e',
                tooltipAxes: 'xy',
                formatString: 'x:%s, y:%s'
            },
             cursor:{
                show: true,
                zoom: true,
                //constrainZoomTo: 'none',
            }
            
        }
    );
    
 	 $(".ABC").hover(
			function(){$("h1").html("<h3>test1</h3>");},
			function(){$("h1").text("Taro");
	});
	
	$(".ppp").hover(
		function(){
		   $(".ABC").hover(
				function(){$("h1").html("<h3>test1</h3>");},
				function(){$("h1").text("Taro");
			});
	});
	
	
});

 
</script>
</head>
<body>
<h1>Taro</h1>
<input type="button" value="test1" name="but1" class="b1">
<div class="ppp">
<div id="jqPlot-sample" style="height: 300px; width: 300px;"></div>
</div>
</body>
</html>