Merge pull request #91 from prometheus/feature/datetimepicker

Add a date/time picker to graph UI

web/static/graph.html

@@ -5,9 +5,14 @@
     <title>Prometheus Expression Browser</title>
     <script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
     <script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.8.15/jquery-ui.min.js"></script>
+    <link rel="stylesheet" href="//ajax.googleapis.com/ajax/libs/jqueryui/1.8.15/themes/base/jquery-ui.css" />
+
     <link type="text/css" rel="stylesheet" href="css/prometheus.css">
     <link type="text/css" rel="stylesheet" href="css/graph.css">
 
+    <script src="vendor/jquery-simple-datetimepicker/jquery.simple-dtpicker.js"></script>
+    <link type="text/css" rel="stylesheet" href="vendor/jquery-simple-datetimepicker/jquery.simple-dtpicker.css">
+
     <!-- copy all these CSSen/JSen to our own location -->
     <link type="text/css" rel="stylesheet" href="http://code.shutterstock.com/rickshaw/rickshaw.min.css">
     <script src="http://code.shutterstock.com/rickshaw/vendor/d3.min.js"></script>
@@ -38,8 +43,9 @@
 
             <label for="end{{id}}">End:</label>
             <input type="button" value="<<" name="dec_end">
-            <input type="text" name="end" id="end{{id}}" value="{{end}}">
+            <input type="text" name="end_input" id="end{{id}}" value="{{end}}">
             <input type="button" value=">>" name="inc_end">
+            <input type="hidden" name="end">
 
             <label for="step_input{{id}}">Resolution (s):</label>
             <input type="text" name="step_input" id="step_input{{id}}" value="{{step_input}}" size="4">

web/static/js/graph.js

@@ -76,12 +76,25 @@ Prometheus.Graph.prototype.initialize = function() {
   self.spinner = graphWrapper.find(".spinner");
   self.evalStats = graphWrapper.find(".eval_stats");
 
+  self.endDate = graphWrapper.find("input[name=end_input]");
+  if (self.options["end_input"]) {
+    self.endDate.appendDtpicker({"current": self.options["end_input"]});
+  } else {
+    self.endDate.appendDtpicker();
+    self.endDate.val("");
+  }
+  self.endDate.change(function() { self.submitQuery() });
+
   self.stacked.change(function() { self.updateGraph(); });
   self.queryForm.submit(function() { self.submitQuery(); return false; });
   self.spinner.hide();
 
   self.queryForm.find("input[name=inc_range]").click(function() { self.increaseRange(); });
   self.queryForm.find("input[name=dec_range]").click(function() { self.decreaseRange(); });
+
+  self.queryForm.find("input[name=inc_end]").click(function() { self.increaseEnd(); });
+  self.queryForm.find("input[name=dec_end]").click(function() { self.decreaseEnd(); });
+
   self.insertMetric.change(function() {
       self.expr.val(self.expr.val() + self.insertMetric.val());
   });
@@ -122,7 +135,7 @@ Prometheus.Graph.prototype.getOptions = function() {
   var optionInputs = [
     "expr",
     "range_input",
-    "end",
+    "end_input",
     "step_input",
     "stacked"
   ];
@@ -179,6 +192,45 @@ Prometheus.Graph.prototype.decreaseRange = function() {
   }
 };
 
+Prometheus.Graph.prototype.getEndDate = function() {
+  var self = this;
+  if (!self.endDate || !self.endDate.val()) {
+    return null; 
+  }
+  return new Date(self.endDate.val()).getTime();
+};
+
+Prometheus.Graph.prototype.getOrSetEndDate = function() {
+  var self = this;
+  var date = self.getEndDate();
+  if (date) {
+    return date;
+  }
+  date = new Date();
+  self.setEndDate(date);
+  return date;
+}
+
+Prometheus.Graph.prototype.setEndDate = function(date) {
+  var self = this;
+  dateString = date.getFullYear() + '-' + (date.getMonth()+1) + '-' + date.getDate() + ' ' +
+               date.getHours() + ':' + date.getMinutes();
+  self.endDate.val("");
+  self.endDate.appendDtpicker({"current": dateString});
+};
+
+Prometheus.Graph.prototype.increaseEnd = function() {
+  var self = this;
+  self.setEndDate(new Date(self.getOrSetEndDate() + self.parseRange(self.rangeInput.val()) * 1000/2 )) // increase by 1/2 range & convert ms in s
+  self.submitQuery();
+};
+
+Prometheus.Graph.prototype.decreaseEnd = function() {
+  var self = this;
+  self.setEndDate(new Date(self.getOrSetEndDate() - self.parseRange(self.rangeInput.val()) * 1000/2 ))
+  self.submitQuery();
+};
+
 Prometheus.Graph.prototype.submitQuery = function() {
   var self = this;
 
@@ -191,6 +243,8 @@ Prometheus.Graph.prototype.submitQuery = function() {
   self.queryForm.find("input[name=range]").val(rangeSeconds);
   var resolution = self.queryForm.find("input[name=step_input]").val() || Math.max(Math.floor(rangeSeconds / 250), 1);
   self.queryForm.find("input[name=step]").val(resolution);
+  var endDate = self.getEndDate() / 1000;
+  self.queryForm.find("input[name=end]").val(endDate);
 
   $.ajax({
       method: self.queryForm.attr("method"),
@@ -236,7 +290,7 @@ Prometheus.Graph.prototype.parseValue = function(value) {
   if (value == "NaN" || value == "Inf" || value == "-Inf") {
     return 0; // TODO: what should we really do here?
   } else {
-    return parseFloat(value)
+    return parseFloat(value);
   }
 };
 

web/static/vendor/jquery-simple-datetimepicker/jquery.simple-dtpicker.css

@@ -0,0 +1,269 @@
+/**
+ * Style-sheet for dtpicker
+ * https://github.com/mugifly/jquery-simple-datetimepicker
+ */
+
+.datepicker {
+    display: inline-block;
+	
+	border: 2px solid #c8c8c8;
+	
+	border-radius: 5px;
+		-webkit-border-radius: 5px;  
+		-moz-border-radius: 5px;
+	box-shadow: 0.5px 0.5px 3px #c8c8c8;
+		-webkit-box-shadow: 0.5px 0.5px 3px #c8c8c8;
+		-moz-box-shadow: 0.5px 0.5px 3px #c8c8c8;
+}
+
+/*
+ * datepicker_header
+*/
+
+.datepicker > .datepicker_header{
+	padding-top:	2px;
+	padding-bottom: 2px;
+	padding-left:	5px;
+	padding-right: 5px;
+	background-color:	#d2d2d2;
+	color: #3f3f3f;
+	text-align: center;
+	font-size: 9pt;
+	font-weight: bold;
+}
+
+.datepicker > .datepicker_header > a{
+	user-select: none;
+		-webkit-user-select: none;
+		-moz-user-select: none;
+	cursor: pointer;
+	color: #559abd;
+}
+
+.datepicker > .datepicker_header > a:hover {
+	color: #000000;
+	background-color:	#c8c8c8;
+}
+
+.datepicker > .datepicker_header > a:active {
+	color: #ffffff;
+	background-color:	#808080;
+}
+
+.datepicker > .datepicker_header > span {
+	margin-left: 20px;
+	margin-right: 20px;
+	user-select: none;
+		-webkit-user-select: none;
+		-moz-user-select: none;
+}
+
+/*
+ * datepicker_inner_container 
+*/
+
+.datepicker > .datepicker_inner_container {
+	margin: -2px -2px -2px -2px;
+	background-color: #d2d2d2;
+	border: 2px solid #c8c8c8;
+	border-radius: 5px;
+		-webkit-border-radius: 5px;  
+		-moz-border-radius: 5px;
+
+	box-shadow: 0.5px 0px 5px #c8c8c8;
+		-webkit-box-shadow: 0.5px 0px 5px #c8c8c8;
+		-moz-box-shadow: 0.5px 0px 5px #c8c8c8;
+}
+
+.datepicker > .datepicker_inner_container:after {
+	content: ".";
+	display: block;
+	height: 0;
+	clear: both;
+	visibility: hidden;
+}
+
+/*
+ * datepicker_inner_container > datepicker_calendar
+*/
+
+.datepicker > .datepicker_inner_container > .datepicker_calendar {
+	float: left;
+	width: auto;
+	
+	margin-top: -0.5px;
+	margin-left: -1px;
+	margin-bottom: -2px;
+	
+	background-color:	#ffffff;
+	border: 1px solid #c8c8c8;
+	
+	border-top:none;
+	border-top-left-radius: 5px;
+	border-bottom-left-radius: 5px;
+		-webkit-border-top-left-radius:	5px;
+		-webkit-border-bottom-left-radius: 5px;
+		-moz-border-radius-topleft:		5px;
+		-moz-border-radius-bottomleft:	5px;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_calendar > table {
+    padding: 10px;
+}
+
+/*
+ * datepicker_inner_container > datepicker_calendar > datepicker_table > tbody > tr > th (WDay-cell)
+*/
+
+.datepicker > .datepicker_inner_container > .datepicker_calendar > .datepicker_table > tbody > tr > th {
+	color:	#646464;
+	width: 18px;
+	font-size: small;
+	font-weight: normal;
+	text-align:center;
+}
+
+/*
+ * datepicker_inner_container > datepicker_calendar > datepicker_table > tbody > tr > td (Day-cell)
+*/
+
+.datepicker > .datepicker_inner_container > .datepicker_calendar > .datepicker_table > tbody > tr > td {
+	color:	#000000;
+	font-size: small;
+	text-align:center;
+	
+	user-select: none;
+		-webkit-user-select: none;
+		-moz-user-select: none;
+	cursor: pointer;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_calendar > .datepicker_table > tbody > tr > td.today {
+	border-bottom: #bfbfbf solid 2px;
+	margin-bottom: -2px;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_calendar > .datepicker_table > tbody > tr > td.wday_sat {
+	color:	#0044aa;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_calendar > .datepicker_table > tbody > tr > td.wday_sun {
+	color:	#e13b00;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_calendar > .datepicker_table > tbody > tr > td.day_another_month {
+	color:	#cccccc;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_calendar > .datepicker_table > tbody > tr > td.active {
+	color: #ffffff;
+	background-color:	#808080;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_calendar > .datepicker_table > tbody > tr > td.hover {
+	color: #000000;
+	background-color:	#c8c8c8;
+}
+
+/*
+ * datepicker_inner_container > datepicker_timelist
+*/
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist {
+	float: left;
+	width: 4.2em;
+	height: 118px;
+	
+	margin-top: -0.5px;
+	padding: 5px;
+	padding-left: 0px;
+	padding-right: 0px;
+	
+	overflow: auto;
+	overflow-x: hidden; 
+	
+	background-color:	#ffffff;
+	
+	border-top-right-radius: 4px;
+	border-bottom-right-radius: 4px;
+	-webkit-border-top-right-radius:	4px;
+	-webkit-border-bottom-right-radius: 4px;
+	-moz-border-radius-topright:		4px;
+	-moz-border-radius-bottomright:	4px;
+}
+
+/*
+.datepicker > .datepicker_inner_container > .datepicker_timelist::after {
+	content: ".";
+	display: block;
+	height: 0;
+	clear: both;
+	visibility: hidden;
+}
+*/
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist::-webkit-scrollbar {
+	overflow: hidden;
+	width: 6px;
+	background: #fafafa;
+	
+	border-top-right-radius: 5px;
+	border-bottom-right-radius: 5px;
+	-webkit-border-top-right-radius:	5px;
+	-webkit-border-bottom-right-radius: 5px;
+	-moz-border-radius-topright:		5px;
+	-moz-border-radius-bottomright:	5px;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist::-webkit-scrollbar:horizontal {
+	height: 1px;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist::-webkit-scrollbar-button {
+	display: none;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist::-webkit-scrollbar-piece {
+	background: #eee;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist::-webkit-scrollbar-piece:start {
+	background: #eee;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist::-webkit-scrollbar-thumb {
+	background: #aaaaaa;
+	border-radius: 3px;
+		-webkit-border-radius: 3px;  
+		-moz-border-radius: 3px;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist::-webkit-scrollbar-corner {
+	background: #333;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist > div.timelist_item {
+	padding-top:   1px;
+	padding-bottom:1px;
+	padding-left:  7px;
+	padding-right: 25px;
+	margin-top: 5px;
+	margin-bottom: 2px;
+	font-size: small;
+	
+	user-select: none;
+		-webkit-user-select: none;
+		-moz-user-select: none;
+	cursor: pointer;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist > div.timelist_item.active {
+	color: #ffffff;
+	background-color:	#808080;
+}
+
+.datepicker > .datepicker_inner_container > .datepicker_timelist > div.timelist_item.hover {
+	color: #000000;
+	background-color:	#c8c8c8;
+}
+

web/static/vendor/jquery-simple-datetimepicker/jquery.simple-dtpicker.js

@@ -0,0 +1,574 @@
+/**
+ * dtpicker (jquery-simple-datetimepicker)
+ * (c) Masanori Ohgita - 2013.
+ * https://github.com/mugifly/jquery-simple-datetimepicker
+ */
+
+ (function($) {
+ 	var DAYS_OF_WEEK_EN = ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'];
+ 	var DAYS_OF_WEEK_JA = ['日', '月', '火', '水', '木', '金', '土'];
+ 	var MONTHS_EN = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
+
+ 	var PickerObjects = [];
+ 	var InputObjects = [];
+ 	var ActivePickerId = -1;
+
+ 	var getParentPickerObject = function(obj) {
+ 		var $obj = $(obj);
+ 		var $picker;
+ 		if ($obj.hasClass('datepicker')) {
+ 			$picker = $obj;
+ 		} else {
+ 			var parents = $obj.parents();
+ 			for (var i = 0; i < parents.length; i++) {
+ 				if ($(parents[i]).hasClass('datepicker')) {
+ 					$picker = $(parents[i]);
+ 				}
+ 			}
+ 		}
+ 		return $picker;
+ 	};
+
+ 	var getPickersInputObject = function($obj) {
+ 		var $picker = getParentPickerObject($obj);
+ 		if ($picker.data("inputObjectId") != null) {
+ 			return $(InputObjects[$picker.data("inputObjectId")]);
+ 		}
+ 		return null;
+ 	}
+ 	var beforeMonth = function($obj) {
+ 		var $picker = getParentPickerObject($obj);
+ 		var date = getPickedDate($picker);
+ 		var targetMonth_lastDay = new Date(date.getYear() + 1900, date.getMonth(), 0).getDate();
+ 		if (targetMonth_lastDay < date.getDate()) {
+ 			date.setDate(targetMonth_lastDay);
+ 		}
+ 		draw($picker, {
+ 			"isAnim": true, 
+ 			"isOutputToInputObject": true
+ 		}, date.getYear() + 1900, date.getMonth() - 1, date.getDate(), date.getHours(), date.getMinutes());
+ 	};
+
+ 	var nextMonth = function($obj) {
+ 		var $picker = getParentPickerObject($obj);
+ 		var date = getPickedDate($picker);
+ 		var targetMonth_lastDay = new Date(date.getYear() + 1900, date.getMonth() + 1, 0).getDate();
+ 		if (targetMonth_lastDay < date.getDate()) {
+ 			date.setDate(targetMonth_lastDay);
+ 		}
+ 		draw($picker, {
+ 			"isAnim": true, 
+ 			"isOutputToInputObject": true
+ 		}, date.getYear() + 1900, date.getMonth() + 1, date.getDate(), date.getHours(), date.getMinutes());
+ 	};
+ 	
+ 	var getDate = function (str) {
+ 		var re = /^(\d{2,4})[-/](\d{1,2})[-/](\d{1,2}) (\d{1,2}):(\d{1,2})$/;
+ 		var m = re.exec(str);
+		// change year for 4 digits
+		if (m[1] < 99) {
+			var date = new Date();
+			m[1] = parseInt(m[1]) + parseInt(date.getFullYear().toString().substr(0, 2) + "00");
+		}
+		// return
+		return new Date(m[1], m[2] - 1, m[3], m[4], m[5]);
+	}
+
+	var outputToInputObject = function($picker) {
+		var date = getPickedDate($picker);
+		var $inp = getPickersInputObject($picker);
+		var dateFormat = $picker.data("dateFormat");
+		var locale = $picker.data("locale");
+		var str = "";
+		if ($inp == null) {
+			return;
+		}
+		
+		if (dateFormat == "default"){
+			if(locale == "ja"){
+				dateFormat = "YYYY/MM/DD hh:mm";
+			}else{
+				dateFormat = "YYYY-MM-DD hh:mm";
+			}
+		}
+		
+		str = dateFormat;
+		var y = date.getYear() + 1900;
+		var m = date.getMonth() + 1;
+		var d = date.getDate();
+		var hou = date.getHours();
+		var min = date.getMinutes();
+		
+		str = str.replace(/YYYY/gi, y)
+		.replace(/YY/g, y - 2000)/* century */
+		.replace(/MM/g, zpadding(m))
+		.replace(/M/g, m)
+		.replace(/DD/g, zpadding(d))
+		.replace(/D/g, d)
+		.replace(/hh/g, zpadding(hou))
+		.replace(/h/g, hou)
+		.replace(/mm/g, zpadding(min))
+		.replace(/m/g, min);
+		$inp.val(str);
+	};
+
+	var getPickedDate = function($obj) {
+		var $picker = getParentPickerObject($obj);
+		return $picker.data("pickedDate");
+	};
+
+	var zpadding = function(num) {
+		num = ("0" + num).slice(-2);
+		return num
+	};
+
+	var draw_date = function($picker, option, date) {
+		draw($picker, option, date.getYear() + 1900, date.getMonth(), date.getDate(), date.getHours(), date.getMinutes());
+	};
+
+	var draw = function($picker, option, year, month, day, hour, min) {
+		var date = new Date();
+		
+		if (hour != null) {
+			date = new Date(year, month, day, hour, min, 0);
+		} else if (year != null) {
+			date = new Date(year, month, day);
+		} else {
+			date = new Date();
+		}
+		//console.log("dtpicker - draw()..." + year + "," + month + "," + day + " " + hour + ":" + min + " -> " + date);
+		
+		/* Read options */
+		var isScroll = option.isAnim; /* It same with isAnim */
+
+		var isAnim = option.isAnim;
+		if($picker.data("animation") == false){ // If disabled by user option.
+			isAnim = false;
+		}
+		
+		var isOutputToInputObject = option.isOutputToInputObject;
+
+		/* Read locale option */
+		var locale = $picker.data("locale");
+		var daysOfWeek = DAYS_OF_WEEK_EN;
+		if(locale == "ja"){
+			daysOfWeek = DAYS_OF_WEEK_JA;
+		}
+		
+		/* Calculate dates */
+		var todayDate = new Date(); 
+		var firstWday = new Date(date.getYear() + 1900, date.getMonth(), 1).getDay();
+		var lastDay = new Date(date.getYear() + 1900, date.getMonth() + 1, 0).getDate();
+		var beforeMonthLastDay = new Date(date.getYear() + 1900, date.getMonth(), 0).getDate();
+		var dateBeforeMonth = new Date(date.getYear() + 1900, date.getMonth(), 0);
+		var dateNextMonth = new Date(date.getYear() + 1900, date.getMonth() + 2, 0);
+		
+		/* Collect each part */
+		var $header = $picker.children('.datepicker_header');
+		var $inner = $picker.children('.datepicker_inner_container');
+		var $calendar = $picker.children('.datepicker_inner_container').children('.datepicker_calendar');
+		var $table = $calendar.children('.datepicker_table');
+		var $timelist = $picker.children('.datepicker_inner_container').children('.datepicker_timelist');
+		
+		/* Grasp a point that will be changed */
+		var changePoint = "";
+		var oldDate = getPickedDate($picker);
+		if(oldDate != null){
+			if(oldDate.getMonth() != date.getMonth() || oldDate.getDate() != date.getDate()){
+				changePoint = "calendar";
+			} else if (oldDate.getHours() != date.getHours() || oldDate.getMinutes() != date.getMinutes()){
+				if(date.getMinutes() == 0 || date.getMinutes() == 30){
+					changePoint = "timelist";
+				}
+			}
+		}
+		
+		/* Save newly date to Picker data */
+		$($picker).data("pickedDate", date);
+		
+		/* Fade-out animation */
+		if (isAnim == true) {
+			if(changePoint == "calendar"){
+				$calendar.stop().queue([]);
+				$calendar.fadeTo("fast", 0.8);
+			}else if(changePoint == "timelist"){
+				$timelist.stop().queue([]);
+				$timelist.fadeTo("fast", 0.8);
+			}
+		}
+		/* Remind timelist scroll state */
+		var drawBefore_timeList_scrollTop = $timelist.scrollTop();
+		
+		/* New timelist  */
+		var timelist_activeTimeCell_offsetTop = -1;
+		
+		/* Header ----- */
+		$header.children().remove();
+		var $link_before_month = $('<a>');
+		$link_before_month.text('<');
+		$link_before_month.click(function() {
+			beforeMonth($picker);
+		});
+
+		var $now_month = $('<span>');
+		if(locale == "en"){
+			$now_month.text((date.getYear() + 1900) + " - " + MONTHS_EN[date.getMonth()]);
+		}else if(locale == "ja"){
+			$now_month.text((date.getYear() + 1900) + " / " + zpadding(date.getMonth() + 1));
+		}
+
+		var $link_next_month = $('<a>');
+		$link_next_month.text('>');
+		$link_next_month.click(function() {
+			nextMonth($picker);
+		});
+
+		$header.append($link_before_month);
+		$header.append($now_month);
+		$header.append($link_next_month);
+
+		/* Calendar > Table ----- */
+		$table.children().remove();
+		var $tr = $('<tr>');
+		$table.append($tr);
+
+		/* Output wday cells */
+		for (var i = 0; i < 7; i++) {
+			var $td = $('<th>');
+			$td.text(daysOfWeek[i]);
+			$tr.append($td);
+		}
+
+		/* Output day cells */
+		var cellNum = Math.ceil((firstWday + lastDay) / 7) * 7;
+		for (var i = 0; i < cellNum; i++) {
+			var realDay = i + 1 - firstWday;
+			if (i % 7 == 0) {
+				$tr = $('<tr>');
+				$table.append($tr);
+			}
+
+			var $td = $('<td>');
+			$td.data("day", realDay);
+			
+			$tr.append($td);
+			
+			if (firstWday > i) {/* Before months day */
+				$td.text(beforeMonthLastDay + realDay);
+				$td.addClass('day_another_month');
+				$td.data("dateStr", dateBeforeMonth.getYear() + 1900 + "/" + (dateBeforeMonth.getMonth() + 1) + "/" + (beforeMonthLastDay + realDay));
+			} else if (i < firstWday + lastDay) {/* Now months day */
+				$td.text(realDay);
+				$td.data("dateStr", (date.getYear() + 1900) + "/" + (date.getMonth() + 1) + "/" + realDay);
+			} else {/* Next months day */
+				$td.text(realDay - lastDay);
+				$td.addClass('day_another_month');
+				$td.data("dateStr", dateNextMonth.getYear() + 1900 + "/" + (dateNextMonth.getMonth() + 1) + "/" + (realDay - lastDay));
+			}
+
+			if (i % 7 == 0) {/* Sunday */
+				$td.addClass('wday_sun');
+			} else if (i % 7 == 6) {/* Saturday */
+				$td.addClass('wday_sat');
+			}
+
+			if (realDay == date.getDate()) {/* selected day */
+				$td.addClass('active');
+			}
+			
+			if (date.getMonth() == todayDate.getMonth() && realDay == todayDate.getDate()) {/* today */
+				$td.addClass('today');
+			}
+
+			/* Set event-handler to day cell */
+
+			$td.click(function() {
+				if ($(this).hasClass('hover')) {
+					$(this).removeClass('hover');
+				}
+				$(this).addClass('active');
+
+				var $picker = getParentPickerObject($(this));
+				var targetDate = new Date($(this).data("dateStr"));
+				var selectedDate = getPickedDate($picker);
+				draw($picker, {
+					"isAnim": false, 
+					"isOutputToInputObject": true
+				}, targetDate.getYear() + 1900, targetDate.getMonth(), targetDate.getDate(), selectedDate.getHours(), selectedDate.getMinutes());
+			});
+
+			$td.hover(function() {
+				if (! $(this).hasClass('active')) {
+					$(this).addClass('hover');
+				}
+			}, function() {
+				if ($(this).hasClass('hover')) {
+					$(this).removeClass('hover');
+				}
+			});
+		}
+
+		/* Timelist ----- */
+		$timelist.children().remove();
+		
+		/* Set height to Timelist (Calendar innerHeight - Calendar padding) */
+		$timelist.css("height", $calendar.innerHeight() - 10 + 'px');
+
+		/* Output time cells */
+		for (var hour = 0; hour < 24; hour++) {
+			for (var min = 0; min <= 30; min += 30) {
+				var $o = $('<div>');
+				$o.addClass('timelist_item');
+				$o.text(zpadding(hour) + ":" + zpadding(min));
+
+				$o.data("hour", hour);
+				$o.data("min", min);
+
+				$timelist.append($o);
+
+				if (hour == date.getHours() && min == date.getMinutes()) {/* selected time */
+					$o.addClass('active');
+					timelist_activeTimeCell_offsetTop = $o.offset().top;
+				}
+
+				/* Set event handler to time cell */
+				
+				$o.click(function() {
+					if ($(this).hasClass('hover')) {
+						$(this).removeClass('hover');
+					}
+					$(this).addClass('active');
+
+					var $picker = getParentPickerObject($(this));
+					var date = getPickedDate($picker);
+					var hour = $(this).data("hour");
+					var min = $(this).data("min");
+					draw($picker, {
+						"isAnim": false, 
+						"isOutputToInputObject": true
+					}, date.getYear() + 1900, date.getMonth(), date.getDate(), hour, min);
+				});
+				
+				$o.hover(function() {
+					if (! $(this).hasClass('active')) {
+						$(this).addClass('hover');
+					}
+				}, function() {
+					if ($(this).hasClass('hover')) {
+						$(this).removeClass('hover');
+					}
+				});
+			}
+		}
+		
+		/* Scroll the timelist */
+		if(isScroll == true){
+			/* Scroll to new active time-cell position */
+			$timelist.scrollTop(timelist_activeTimeCell_offsetTop - $timelist.offset().top);
+		}else{
+			/* Scroll to position that before redraw. */
+			$timelist.scrollTop(drawBefore_timeList_scrollTop);
+		}
+
+		/* Fade-in animation */
+		if (isAnim == true) {
+			if(changePoint == "calendar"){
+				$calendar.fadeTo("fast", 1.0);
+			}else if(changePoint == "timelist"){
+				$timelist.fadeTo("fast", 1.0);
+			}
+		}
+
+		/* Output to InputForm */
+		if (isOutputToInputObject == true) {
+			outputToInputObject($picker);
+		}
+	};
+
+	var init = function($obj, opt) {
+		/* Container */
+		var $picker = $('<div>');
+		$picker.addClass('datepicker')
+		$obj.append($picker);
+		
+		/* Set options data to container object  */
+		if (opt.inputObjectId != null) {
+			$picker.data("inputObjectId", opt.inputObjectId);
+		}
+		$picker.data("pickerId", PickerObjects.length);
+		$picker.data("dateFormat", opt.dateFormat);
+		$picker.data("locale", opt.locale);
+		$picker.data("animation", opt.animation);
+
+		/* Header */
+		var $header = $('<div>');
+		$header.addClass('datepicker_header');
+		$picker.append($header);
+		/* InnerContainer*/
+		var $inner = $('<div>');
+		$inner.addClass('datepicker_inner_container');
+		$picker.append($inner);
+		/* Calendar */
+		var $calendar = $('<div>');
+		$calendar.addClass('datepicker_calendar');
+		var $table = $('<table>');
+		$table.addClass('datepicker_table');
+		$calendar.append($table);
+		$inner.append($calendar);
+		/* Timelist */
+		var $timelist = $('<div>');
+		$timelist.addClass('datepicker_timelist');
+		$inner.append($timelist);
+
+		/* Set event handler to picker */
+		$picker.hover(
+			function(){
+				ActivePickerId = $(this).data("pickerId");
+			},
+			function(){
+				ActivePickerId = -1;
+			}
+			);
+
+		PickerObjects.push($picker);
+		
+		draw_date($picker, {
+			"isAnim": true, 
+			"isOutputToInputObject": true
+		}, opt.current);
+	};
+
+	/**
+	 * Initialize dtpicker
+	 */
+	 $.fn.dtpicker = function(config) {
+	 	var date = new Date();
+	 	var defaults = {
+	 		"inputObjectId": 	undefined,
+	 		"current": 		date.getFullYear() + '-' + (date.getMonth()+1) + '-' + date.getDate() + ' ' + date.getHours() + ':' + date.getMinutes(),
+	 		"dateFormat": 	"default",
+	 		"locale": 			"en",
+	 		"animation":           true
+	 	};
+	 	
+	 	var options = $.extend(defaults, config);
+	 	options.current = getDate(options.current);
+	 	return this.each(function(i) {
+	 		init($(this), options);
+	 	});
+	 };
+
+	/**
+	 * Initialize dtpicker, append to Text input field
+	 * */
+	 $.fn.appendDtpicker = function(config) {
+	 	var date = new Date();
+	 	var defaults = {
+	 		"inline": false,
+	 		"current": date.getFullYear() + '-' + (date.getMonth()+1) + '-' + date.getDate() + ' ' + date.getHours() + ':' + date.getMinutes(),
+	 		"dateFormat": "default",
+	 		"locale": 			"en",
+	 		"animation": true
+	 	}
+	 	var options = $.extend(defaults, config);
+	 	return this.each(function(i) {
+
+	 		/* Add input-field with inputsObjects array */
+	 		var input = this;
+	 		var inputObjectId = InputObjects.length;
+	 		InputObjects.push(input);
+	 		
+	 		options.inputObjectId = inputObjectId;
+	 		
+	 		/* Current date */
+	 		var date, strDate, strTime;
+	 		if($(input).val() != null && $(input).val() != ""){
+	 			options.current = $(input).val();
+	 		}
+	 		
+	 		/* Make parent-div for picker */
+	 		var $d = $('<div>');
+	 		if(options.inline == false){
+	 			/* float mode */
+	 			$d.css("position","absolute");
+	 		}
+	 		$d.insertAfter(input);
+	 		
+	 		/* Initialize picker */
+	 		
+	 		var pickerId = PickerObjects.length;
+	 		
+			var $picker_parent = $($d).dtpicker(options); // call dtpicker() method
+			
+			var $picker = $picker_parent.children('.datepicker');
+
+			/* Link input-field with picker*/
+			$(input).data('pickerId', pickerId);
+			
+			/* Set event handler to input-field */
+			
+			$(input).keyup(function() {
+				var $input = $(this);
+				var $picker = $(PickerObjects[$input.data('pickerId')]);
+				if ($input.val() != null && (
+					$input.data('beforeVal') == null ||
+					( $input.data('beforeVal') != null && $input.data('beforeVal') != $input.val())	)
+					) { /* beforeValue == null || beforeValue != nowValue  */
+					var date = getDate($input.val());
+				if (isNaN(date.getDate()) == false) {/* Valid format... */
+					draw_date($picker, {
+						"isAnim":true, 
+						"isOutputToInputObject":false
+					}, date);
+				}
+			}
+			$input.data('beforeVal',$input.val())
+		});
+			
+			$(input).change(function(){
+				$(this).trigger('keyup');
+			});
+			
+			if(options.inline == true){
+				/* inline mode */
+				$picker.data('isInline',true);
+			}else{
+				/* float mode */
+				$picker.data('isInline',false);
+				$picker_parent.css({
+					"zIndex": 100
+				});
+				$picker.css("width","auto");
+				
+				/* Hide this picker */
+				$picker.hide();
+				
+				/* Set onClick event handler for input-field */
+				$(input).click(function(){
+					var $input = $(this);
+					var $picker = $(PickerObjects[$input.data('pickerId')]);
+					ActivePickerId = $input.data('pickerId');
+					$picker.show();
+					$picker.parent().css("top", $input.offset().top + $input.outerHeight() + 2 + "px");
+					$picker.parent().css("left", $input.offset().left + "px");
+				});
+			}
+		});
+};
+
+/* Set event handler to Body element, for hide a floated-picker */
+$(function(){
+	$('body').click(function(){
+		for(var i=0;i<PickerObjects.length;i++){
+			var $picker = $(PickerObjects[i]);
+			if(ActivePickerId != i){	/* if not-active picker */
+				if($picker.data("inputObjectId") != null && $picker.data("isInline") == false){
+					/* if append input-field && float picker */
+					$picker.hide();
+				}
+			}
+		}
+	});
+});
+
+})(jQuery);

web/status.go

@@ -40,11 +40,18 @@ func (h *StatusHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		Status:      "TODO: add status information here",
 		TargetPools: h.appState.TargetManager.Pools(),
 	}
-	templateFile, err := blob.GetFile(blob.TemplateFiles, "status.html")
+
-	if err != nil {
+	var t *template.Template
-		log.Fatalf("Could not read template: %s", err)
+	if *useLocalAssets {
+		t, _ = template.ParseFiles("web/templates/status.html")
+	} else {
+		templateFile, err := blob.GetFile(blob.TemplateFiles, "status.html")
+		if err != nil {
+			log.Fatalf("Could not read template: %s", err)
+		}
+
+		t, _ = template.New("status").Parse(string(templateFile))
 	}
 
-	t, _ := template.New("status").Parse(string(templateFile))
 	t.Execute(w, status)
 }

web/web.go

@@ -27,6 +27,7 @@ import (
 // Commandline flags.
 var (
 	listenAddress = flag.String("listenAddress", ":9090", "Address to listen on for web interface.")
+	useLocalAssets   = flag.Bool("localAssets", false, "Read assets/templates from file instead of binary.")
 )
 
 func StartServing(appState *appstate.ApplicationState) {
@@ -36,7 +37,11 @@ func StartServing(appState *appstate.ApplicationState) {
 	http.Handle("/status", &StatusHandler{appState: appState})
 	http.Handle("/api/", gorest.Handle())
 	http.Handle("/metrics.json", exporter)
-	http.Handle("/static/", http.StripPrefix("/static/", new(blob.Handler)))
+	if *useLocalAssets {
+		http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("web/static"))))
+	} else {
+		http.Handle("/static/", http.StripPrefix("/static/", new(blob.Handler)))
+	}
 
 	go http.ListenAndServe(*listenAddress, nil)
 }