/*
Flot plugin for labeling inside the graph
Asaf Ohaion, asaf at Lingnu.com
*/

(function ($) {
    var options = { series: { labels: null } }; // or array
    	
    function init(plot) // this is the "body" of the plugin
    { 		
	function checkLabelEnabled(plot, options) {	    
	    if (options.series.labels) {
		plot.hooks.draw.push(drawLabels);	    
	    }
	}

	function drawLabels(plot, canvascontext) {	    
	    var series = plot.getData()[0];
	    var data = series.data;
	    var labels = series.labels;
	    var target = plot.getPlaceholder();
	    
	    for (var i=0; i <  data.length; i++) {		
		var point = plot.pointOffset({x:data[i][0],y:data[i][1]});
		var html = '<span class="barLabel" style="color:grey;position:absolute;top:' + (data[i][1] < 10 ? point.top-9 : point.top+7) + 'px;left:' + (point.left+7) + 'px;">' + labels[i] + "</span>";
		target.append(html);
	    }
	}
	plot.hooks.processOptions.push(checkLabelEnabled);
    }
        
    $.plot.plugins.push({
	    init: init,
		options: options,
		name: 'label',
		version: '1.0'
		});
})(jQuery);