@* HeuristicLab
 * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 *@

@helper AjaxDataRenderer()
{
    <script>
        var ajaxDataRenderer = function (url, plot, options) {
            var ret = null;
            $.ajax({
                async: false,
                url: url,
                dataType: "json",
                success: function (data) {
                    ret = data;
                }
            });
            return ret;
        };
    </script>
}

@helper LineChartTime(string destinationTag, string url, string title = "", double? minY = null, double? maxY = null, string axisYFormat = null)
{
  <script>
    var @(destinationTag)Plot = $.jqplot("@destinationTag", "@url", {
      title: "@title",
      highlighter: {
        show: true,
        sizeAdjust: 7.5
      },
      seriesDefaults: {
        markerOptions: { show: false }
      },
      dataRenderer: ajaxDataRenderer,
      axes: {
        xaxis: {
          renderer: $.jqplot.DateAxisRenderer,
          pad: 0
        },
        yaxis: {
          @if (axisYFormat != null)
          {<text>
          tickOptions: {
            formatString: "@axisYFormat",
          },
          </text>}
          autoscale: true,
          pad: 0,
          @if (minY != null)
          {
            @:min: @minY,
          }
          @if (maxY != null)
          {
            @:max: @maxY,
          }
        },
      },
      gridPadding: { left: 50, right: 10 },
      cursor: {
        show: true,
        showTooltip: false,
        zoom: true,
        clickReset: false,
        dblClickReset: false,
        constrainZoomTo: 'x'
      }
    });
        
    $(window).resize(function() {
      @(destinationTag)Plot.replot({ resetAxes: true });
    });
  </script>
}

@helper RefreshChart(string destinationTag, string url, string startDate, string endDate, double? minY = null, double? maxY = null)
{
  <text>
  $.ajax({url: "@(new HtmlString(url))?start=" + @startDate + "&end=" + @endDate, datatype: "json", success: function(result) {
    for (var i = 0; i < result.length; i++) {
      @(destinationTag)Plot.series[i].data = result[i];
    }
    //Resets only the xaxis, still need to resize y with given min/max
    @(destinationTag)Plot.replot({resetAxes:true});
    @if (minY != null)
    {
      //If min Y was provided set the plot's min Y value
      @:@(destinationTag)Plot.axes.yaxis.min = @minY;
    }
    @if (maxY != null)
    {
      //If max Y was provided set the plot's max Y value
      @:@(destinationTag)Plot.axes.yaxis.max = @maxY;
    }
    @(destinationTag)Plot.axes.yaxis.reset();
    //A final replot to redraw possible new Y axis values
    @(destinationTag)Plot.replot({resetAxes:['xaxis']});
@*    @(destinationTag)Plot.replot({ resetAxes:true });*@
  }});
  </text>
}

@helper ResizeCharts()
{
  <text>
  function resizeCharts(caller) {
    //If current plot is collapsed
    if($(caller).css("display") == "none") {
      //Display the contents of chartContainer
      ResizeOpenClose($(caller).siblings(".collapse"));
      //Reset barWidth for bar charts
      $.each(window[caller.id].series, function(index, series) { 
        series.barWidth = undefined; 
      });
      //Replot the chart with same name as element id
      window[caller.id].replot({ resetAxes: false });
      //Hide the contents of the current div
      ResizeOpenClose($(caller).siblings(".collapse"));
    }
    //Current plot is expanded
    else {
      //Reset barWidth for bar charts
      $.each(window[caller.id].series, function(index, series) { 
        series.barWidth = undefined; 
      });
      //Replot the chart with same name as element id
      window[caller.id].replot({ resetAxes: false });
    }
  }

  $(window).resize(function() {
    $("div.jqplot-target",".chartContainer").each(function() {
      var potentialTab = $(this).parent().parent().parent();
      //If the section is tabular and currently hidden
      if(potentialTab.hasClass("tabSection") && potentialTab.css("display") == "none") {
        ResizeOpenCloseTabular(potentialTab);
        resizeCharts(this);
        ResizeOpenCloseTabular(potentialTab);
      }
      else {
        resizeCharts(this);
      }
    });
  });
  </text>
}

@helper NumberPages(string records, string limit, string container, string functionName, string currentPage = null)
{
  <text>
    if(@(records).length > @limit) {
      var appendPages = '<section class="pageContainer"><label class="pageTitle">Page: </label>';
      var pages = Math.floor(@(records).length/@(limit)) + 1;
      for(var i=0; i < pages; i++) {
        appendPages += '<a id="@(container)Page' + (i + 1) + '" class="page">' + (i + 1) + '</a>';
      }
      appendPages += '</section>';
      $("#@container").append(appendPages);
      if(@currentPage != null) {
        $("#@(container)Page" + @currentPage).css('color','#F7921D');
      }
      else {
        $("#@(container)Page1").css('color','#F7921D');
      }
      $(".page").click(function () {
        pageNumber = $(this).html();
        @(functionName)();
      });
      if(@currentPage != null) {
        @(records).splice(0,(@(currentPage)-1)*@(limit));
        if (@(records).length > @(limit)) {
          @(records).splice(@(limit), @(records).length - @(limit));
        }
      }
      else {
        @(records).splice(@(limit), @(records).length - @(limit));
      }
    }
  </text>
}

@helper TaskContainers(string destinationTag, string url, string functionName, string userName, string limit, string startDate = null, string endDate = null, string jobId = null, string taskState = null, string pageNumber = null)
{
  <text>
    var GetRequest = "?userName=" + @(userName);
    @if (startDate != null)
    {
      @:if(@(startDate)!=null) {
        @:GetRequest += "&start=" + @startDate;
      @:}
    }
    @if (endDate != null)
    {
      @:if(@(endDate)!=null) {
        @:GetRequest += "&end=" + @endDate;
      @:}
    }
    @if (jobId != null)
    {
      @:if(@(jobId)!=null) {
        @:GetRequest += "&jobId=" + @jobId;
      @:}
    }
    @if (taskState != null)
    {
      @:if(@(taskState)!=null) {
        @:GetRequest += "&taskState=" + @taskState;
      @:}
    }
    $.ajax({
      async: false, url: "@(new HtmlString(url))" + GetRequest, datatype: "json", success: function(result) {
      if(@(userName) == null) {
        $("#@(destinationTag)").append(
          '<section class="chartContainer">' + 
            '<h1 class="title">Please select a user!</h1>' + 
          '</section>'
        )
      }
      else if(result.length==0) {
        $("#@(destinationTag)").append(
          '<section class="chartContainer">' + 
            '<h1 class="title">' + @userName + ' has no tasks for the specified filters!</h1>' + 
          '</section>'
        )
      }
      else {
        //Checks if multipage display, if it is then trims results to
        //the results for the page to be displayed
        @ChartHelper.NumberPages("result", limit, destinationTag, functionName, pageNumber)

        //Set display of all errors to none, errors matching the tasks will be reset below
        $("#@(destinationTag)").find(".errorContainer, .errorTitle, .errorTask, .errorMessage").css('display','none');

        //Set variable for tracking jobId and open first job grouping
        var currentJob = result[0].JobId;

        //For each result create a seperate collapsable section with a chart and info label
        for(var i = 0; i < result.length; i++){
          if(currentJob != result[i].JobId || i == 0) {
            $("#@(destinationTag)").append(
              '<section class="jobTaskGroup" id="' + result[i].JobId + '">' +
                '<h1>' + result[i].JobName + '</h1>' +
                '<section class="chartContainer">' + 
                  '<h1 class="title" id="@(destinationTag)' + result[i].JobId + 'PlotTitle">Job Overview - ' + result[i].JobName + '</h1>' + 
                  '<button class="collapse" onclick="LoadJob(this)">+</button>' + 
                  '<div id="@(destinationTag)JobOverviewPlot' + i + '"></div>' +
                  '<label id="@(destinationTag)JobOverviewPlotInfo' + i + '"></label>' + 
                '</section>' +
              '</section>'
            );
            CollapsedByDefault(document.getElementById("@(destinationTag)JobOverviewPlot" + i));
            currentJob = result[i].JobId;
          }
          $("#" + currentJob).append(
            '<section class="chartContainer">' + 
              '<h1 class="title" id="@(destinationTag)' + result[i].TaskId + 'PlotTitle">Task ' + result[i].TaskId + '</h1>' + 
              '<button class="collapse" onclick="LoadTask(this)">+</button>' + 
              '<div id="@(destinationTag)Plot' + i + '"></div>' + 
              '<label id="@(destinationTag)PlotInfo' + i + '"></label>' + 
              '<a id="' + result[i].TaskId + '" class="moreInfo" onclick="MoreTaskInfo(this)">More Info</a>' +
            '</section>'
          );
          //Re-enables the error display if any of the tasks on the page have Ids matching
          //those of errors
          $(".errorTask","#" + "@(destinationTag)").each(function() { 
            if($(this).html()==result[i].TaskId) {
              $("#@(destinationTag)" + result[i].TaskId + "PlotTitle").css("color","red");
              $("#@(destinationTag)" + result[i].TaskId + "PlotTitle").append(" - ERROR");
              $(".errorContainer, .errorTitle, .underline","#@(destinationTag)").css('display','inline-block');
              $(this).css('display','inline-block');
              $(this).next().css('display','inline-block');
            }
          });
          CollapsedByDefault(document.getElementById("@(destinationTag)Plot" + i));
        }
      }
    }});
  </text>
}

@helper LoadJob(string url)
{
  <text>
    function LoadJob(caller) {
      CheckFilters();
      if($(caller).next().html()=="") {
        var plotName = $(caller).next().attr('id');
        //Set current job id
        var jobId = $(caller).parent().parent().attr('id');
        var GetRequest = "?jobId=" + jobId;

        $.ajax({ async: false, url: "@(new HtmlString(url))" + GetRequest, datatype: "json", success: function(result) {
          CollapseSection(caller);
          var seriesDescription = ['Waiting','Transferring','Calculating','Finished','Error'];
          window[plotName] = $.jqplot(plotName, [[result.Wait],[result.Transfer],[result.Calculate],[result.Finish],[result.Error]], {
            seriesDefaults:{
              renderer:$.jqplot.BarRenderer,
              shadowAngle: 135,
              pointLabels: {show: true, formatString: '%.0f'}
            },
            series:[
              {label:seriesDescription[0]},
              {label:seriesDescription[1]},
              {label:seriesDescription[2]},
              {label:seriesDescription[3]},
              {label:seriesDescription[4]}
            ],
            legend: {
              show: true,
              location: 'e',
              placement: 'outside'
            },
            axes: {
              xaxis: {
                renderer: $.jqplot.CategoryAxisRenderer,
                showLabel: false,
                pad: 0
              },
              yaxis: {
                padMax: 1.5
              }
            },
            cursor: {
              showTooltip: false
            }
          });
          /* Bind a datalistener to each chart and display details of clicked
            upon data in the label below the chart */
          $("#" + plotName).bind('jqplotDataClick', function (ev, seriesIndex, pointIndex, data) {
            $(this).next("label").html("Tasks " + seriesDescription[seriesIndex] + ": " + data[1]);
          });
        }});
      }
      else {
        CollapseSection(caller);
      }
    }
  </text>
}

@helper LoadTask(string url)
{
  <text>
    function LoadTask(caller) {
      CheckFilters();
      if($(caller).next().html()=="") {
        var plotName = $(caller).next().attr('id');
        //Set current slave id
        var currentTask = $(caller).siblings('a.moreInfo').attr('id');
        var GetRequest = "?taskId=" + currentTask;

        $.ajax({ async: false, url: "@(new HtmlString(url))" + GetRequest, datatype: "json", success: function(result) {
          var waitTime;
          var transferTime;
          var runTime;
          var seriesDescriptions = ["Time waiting","Time transferring","Time calculating"];
          CollapseSection(caller);
          for(i = 0; i < result.length; i++) {
            waitTime = [result[i].TotalWaiting];
            transferTime = [result[i].TotalTransfer];
            runTime = [result[i].TotalRuntime];
            window[plotName] = $.jqplot(plotName, [waitTime,transferTime,runTime], {
              seriesDefaults:{
                renderer:$.jqplot.BarRenderer,
                shadowAngle: 135,
                pointLabels: {show: true, formatString: '%.3f'}
              },
              series:[
                {label:'Waiting'},
                {label:'Transferring'},
                {label:'Calculating'}
              ],
              legend: {
                show: true,
                location: 'e',
                placement: 'outside'
              },
              axes: {
                xaxis: {
                  renderer: $.jqplot.CategoryAxisRenderer,
                  showLabel: false,
                  pad: 0
                },
                yaxis: {
                  pad: 0
                }
              },
              cursor: {
                showTooltip: false
              }
            });
            /* Bind a datalistener to each chart and display details of clicked
              upon data in the label below the chart */
            $("#" + plotName).bind('jqplotDataClick', function (ev, seriesIndex, pointIndex, data) {
              $(this).next("label").html(seriesDescriptions[seriesIndex] + ": " + data[1].toFixed(4) + " seconds");
            });
          }
        }});
      }
      else {
        CollapseSection(caller);
      }
    }
  </text>
}

@helper SetStreamingProperties(int refresh, int chartLength, int upperY)
{
  <text>
  //Refresh time (in millisec)
  var refreshRate = @(refresh);
  //Number of data points on chart
  var chartSize = @(chartLength);
  //Amount to add to max Y value
  var upperYBuffer = @(upperY);

  //Used to return a string containing the names of the series
  //to be used in plot creation
  function GetSeries(numberData,dataName){ 
    var result = "[";
    for(i=0; i < numberData; i++) {
      if(i < numberData -1) {
        result += dataName + i + ",";
      }
      else {
        result += dataName + i + "]";
      }
    }
    return result;
  }
  </text>
}

@helper CreateStreamChart(string dataName, string destinationTag, string url, string title, string slaveState, string format = null, double? maxY = null)
{
  <text>
  //Get current time, used to create initial values
  var @(dataName)CurrentDate = (new Date()).getTime();

  var @(dataName)Data = [];
  var @(dataName)CurrentValue = [];

  //Get the most recent value(s) from the given URL
  $.ajax({ 
    async: false, url: "@(url)?state=" + @(slaveState), datatype: "json", success: function (result) {
      for(i = 0; i < result.length; i++) {
        @(dataName)CurrentValue[i] = result[i];
      }
    }
  });
  
  //Create a chartSize worth of data using CurrentDate and CurrentValue
  //for each CurrentValue
  for(i = 0; i < @(dataName)CurrentValue.length; i++) {
    window["@(dataName)Data" + i] = [];
    for (j = 0; j < chartSize; j++) {
      window[ "@(dataName)Data" + i].push([@(dataName)CurrentDate - (chartSize - 1 - j) * refreshRate, @(dataName)CurrentValue[i]]);
    }
  }

  //Options for the chart to be created
  var @(destinationTag)PlotOptions = {
    title: "@title",
    highlighter: {
      show: true,
      sizeAdjust: 7.5
    },
    axes: {
      xaxis: {
        numberTicks: 4,
        renderer: $.jqplot.DateAxisRenderer,
        tickOptions: { formatString: '%H:%M:%S' },
        min: window["@(dataName)Data" + 0][0][0],
        max: window["@(dataName)Data" + 0][window["@(dataName)Data" + 0].length - 1][0]
      },
      yaxis: {
        @if (format != null)
        {<text>
        tickOptions: {
            formatString: "@format",
        },
        </text>}
        min: 0, 
        @if (maxY != null)
        {
          @:max: @maxY,
        }
        else
        {
          @:max: window["@(dataName)Data" + 0][window["@(dataName)Data" + 0].length - 1][1] + upperYBuffer,
        }
        numberTicks: 5
      }
    },
    seriesDefaults: {
      rendererOptions: { smooth: true },
      markerOptions: {
        show: false
      }
    },
    cursor: {
      show: true,
      showTooltip: false,
      zoom: true,
      clickReset: false,
      dblClickReset: false,
      constrainZoomTo: 'x'
    }
  };

  //Declares the jqPlot variable, evals the string of series returned
  //from getSeries which allows for any number of series
  window[ "@(destinationTag)Plot"] = $.jqplot('@destinationTag', eval(GetSeries(@(dataName)CurrentValue.length,"@(dataName)Data")), @(destinationTag)PlotOptions);
  </text>
}

@helper UpdateStreamChart(string dataName, string destinationTag, string url, string slaveState, string fixedY = null)
{
  <text>
  //If the data is beyond chartSize use shift to trim one off the end
  for(i = 0; i < @(dataName)CurrentValue.length; i++) {
    if (window["@(dataName)Data" + i].length > chartSize - 1) {
      window["@(dataName)Data" + i].shift();
    }
  }

  //Get the up-to-date data, each result assigned to it's own array
  $.ajax({
    async: false, url: "@(url)?state=" + @(slaveState), datatype: "json", success: function (result) {
      for(i = 0; i < result.length; i++) {
        window[ "@(dataName)Data" + i].push([(new Date()).getTime(), result[i]]);
      }
    }
  });

  //If the plot exists currently destroy it
  if ( @(destinationTag)Plot) {
    @(destinationTag)Plot.destroy();
  }

  //Assign series
  for(i = 0; i < @(dataName)CurrentValue.length; i++) {
    @(destinationTag)Plot.series[i].data = window["@(dataName)Data" + i];
  }

  //Recalculate x and possibly y axis max and mins
  @(destinationTag)PlotOptions.axes.xaxis.min = window["@(dataName)Data" + 0][0][0];
  @(destinationTag)PlotOptions.axes.xaxis.max = window["@(dataName)Data" + 0][window["@(dataName)Data" + 0].length - 1][0];
  @if (fixedY == null)
  {
    @:@(destinationTag)PlotOptions.axes.yaxis.max = window["@(dataName)Data" + 0][window["@(dataName)Data" + 0].length - 1][1] + upperYBuffer;
  }

  //Re-assigns the jqPlot variable, evals the string of series returned
  //from getSeries which allows for any number of series
  @(destinationTag)Plot = $.jqplot('@destinationTag', eval(GetSeries(@(dataName)CurrentValue.length,"@(dataName)Data")), @(destinationTag)PlotOptions);
  </text>
}

@helper SlaveContainers(string destinationTag, string url, string limit, bool singleSlave, string startDate = null, string endDate = null, string userName = null, string functionName = null, string pageNumber = null, string slaveId = null)
{
  <text>
  var GetRequest = "";
  @if (startDate != null)
  {
    @:if(@(startDate)!=null) {
      @:if(GetRequest == "") {
        @:GetRequest += "?start=" + @startDate;
      @:}
      @:else {
        @:GetRequest += "&start=" + @startDate;
      @:}
    @:}
  }
  @if (endDate != null)
  {
    @:if(@(endDate)!=null) {
      @:if(GetRequest == "") {
        @:GetRequest += "?end=" + @endDate;
      @:}
      @:else {
        @:GetRequest += "&end=" + @endDate;
      @:}
    @:}
  }
  @if (userName != null)
  {
    @:if(@(userName)!=null) {
      @:if(GetRequest == "") {
        @:GetRequest += "?userName=" + @userName;
      @:}
      @:else {
        @:GetRequest += "&userName=" + @userName;
      @:}
    @:}
  }
  @if (slaveId != null)
  {
    @:if(@(slaveId)!=null) {
      @:if(GetRequest == "") {
        @:GetRequest += "?slaveId=" + @slaveId;
      @:}
      @:else {
        @:GetRequest += "&slaveId=" + @slaveId;
      @:}
    @:}
  }
  $.ajax({ async: false, url: "@(new HtmlString(url))" + GetRequest, datatype: "json", success: function(result) {
    //Set chart names for use in creation below, must be set identically in LoadSlave and ResizeSlaves
    var slaveChartNames = ["TotalUsedCores","TotalUsedMemory","CPUUtilization"];

    @if (!singleSlave) {
      @:$('#@(destinationTag)').html("");

      //Checks if multipage display, if it is then trims results to
      //the results for the page to be displayed
      @ChartHelper.NumberPages("result", limit, destinationTag, functionName, pageNumber)

      
      @:var destTag = "@(destinationTag)";
    }
    else {
      @:var destTag = @(destinationTag);
    }

    if(result.length == 0) {
      @if (!singleSlave)
      {
        @:$('#' + destTag).html("");
      }
      $('#' + destTag).append(
        '<section class="chartContainer">' + 
          '<h1 class="title">No slave information for the specified filters!</h1>' + 
        '</section>'
      )
    }

    for(i = 0; i < result.length; i++) {
      $('#' + destTag).append(
        '<section class="chartContainer">' + 
          '<h1 class="title" id="' + destTag + result[i][0].SlaveID + 'PlotTitle">Slave ' + result[i][0].ClientName + '</h1>' + 
          '<button class="collapse" onclick="LoadSlave(this)">+</button>' + 
          '<div id="' + destTag + slaveChartNames[0] + 'Plot' + result[i][0].SlaveID + '"></div>' + 
          '<div id="' + destTag + slaveChartNames[1] + 'Plot' + result[i][0].SlaveID + '"></div>' + 
          '<div id="' + destTag + slaveChartNames[2] + 'Plot' + result[i][0].SlaveID + '"></div>' + 
          '<a id="' + result[i][0].SlaveID + '" class="moreInfo" onclick="MoreSlaveInfo(this)">More Info</a>' +
        '</section>');
      for(k = 0; k < slaveChartNames.length; k++) {
        CollapsedByDefault(document.getElementById(destTag + slaveChartNames[k] + "Plot" + result[i][0].SlaveID));
      }
    }
  }});
  </text>
}

@helper LoadSlave(string url, string limit, string startDate = null, string endDate = null, string userName = null, string pageNumber = null) {
  <text>
  function LoadSlave(caller) {
    CheckFilters();
    if($(caller).next().html()=="") {
      var destTag = $(caller).parent().parent().attr('id');
      //Set current slave id
      var currentSlave = $(caller).siblings('a.moreInfo').attr('id');
      var GetRequest = "?slaveId=" + currentSlave;
      @if (startDate != null)
      {
        @:if(@(startDate)!=null) {
          @:GetRequest += "&start=" + @startDate;
        @:}
      }
      @if (endDate != null)
      {
        @:if(@(endDate)!=null) {
          @:GetRequest += "&end=" + @endDate;
        @:}
      }
      @if (userName != null)
      {
        @:if(@(userName)!=null) {
          @:GetRequest += "&userName=" + @userName;
        @:}
      }
      $.ajax({ async: false, url: "@(new HtmlString(url))" + GetRequest, datatype: "json", success: function(result) {
        //Set chart names for use in creation below, must be set identically in SlaveContainers and ResizeSlaves
        var slaveChartNames = ["TotalUsedCores","TotalUsedMemory","CPUUtilization"];
        CollapseSection(caller);
        var time = new Date();
        var coreSeries = [];
        coreSeries[0] = [];
        coreSeries[1] = [];
        var memorySeries = [];
        memorySeries[0] = [];
        memorySeries[1] = [];
        var cpuSeries = [];
        cpuSeries[0] = [];
        for(i = 0; i < result.length; i++) {
          time.setTime(result[i].Time.replace(/\D/g,''));
          coreSeries[0].push([time.toUTCString(),result[i].TotalCores]);
          coreSeries[1].push([time.toUTCString(),result[i].UsedCores]);
          memorySeries[0].push([time.toUTCString(),(result[i].TotalMemory / 1000)]);
          memorySeries[1].push([time.toUTCString(),(result[i].UsedMemory / 1000)]);
          cpuSeries[0].push([time.toUTCString(),result[i].CPUUtilization]);
        }
        if(result.length > 1) {
          @ChartHelper.LineChartGivenSeries("destTag + slaveChartNames[0]", "currentSlave", "coreSeries", "Total/Used Cores")
          @ChartHelper.LineChartGivenSeries("destTag + slaveChartNames[1]", "currentSlave", "memorySeries", "Total/Used Memory", 0)
          @ChartHelper.LineChartGivenSeries("destTag + slaveChartNames[2]", "currentSlave", "cpuSeries", "CPU Utilization", 0, 100, "%.1f%%")
        }
        else {
          @ChartHelper.BarChartGivenSeries("destTag + slaveChartNames[0]", "currentSlave", "coreSeries", "Total/Used Cores")
          @ChartHelper.BarChartGivenSeries("destTag + slaveChartNames[1]", "currentSlave", "memorySeries", "Total/Used Memory", 0)
          @ChartHelper.BarChartGivenSeries("destTag + slaveChartNames[2]", "currentSlave", "cpuSeries", "CPU Utilization", 0, 100, "%.1f%%")
        }
      }});
    }
    else {
      CollapseSection(caller);
    }
  }
  </text>
}

@helper LineChartGivenSeries(string destinationTag, string chartId, string series, string title, double? minY = null, double? maxY = null, string axisYFormat = null)
{
  <text>
  window[@(destinationTag) + "Plot" + @(chartId)] = $.jqplot(@(destinationTag) + "Plot" + @(chartId), @series, {
    title: "@title",
    axes: {
      xaxis: {
        renderer: $.jqplot.DateAxisRenderer,
        tickOptions:{formatString:'%b %#d, %y'},
        pad: 0
      },
      yaxis: {
        @if (axisYFormat != null)
        {
          <text>
          tickOptions: {
              formatString: "@axisYFormat"
          },
          </text>
        }
        pad: 0,
        @if (minY != null)
        {
            @:min: @minY,
        }
        @if (maxY != null)
        {
            @:max: @maxY,
        }
      }
    },
    gridPadding: { left: 50, right: 10 },
    cursor: {
      show: true,
      showTooltip: false,
      zoom: true,
      clickReset: false,
      dblClickReset: false,
      constrainZoomTo: 'x'
    }
  });
  </text>
}

@helper BarChartGivenSeries(string destinationTag, string chartId, string series, string title, double? minY = null, double? maxY = null, string axisYFormat = null)
{
  <text>
  window[@(destinationTag) + "Plot" + @(chartId)] = $.jqplot(@(destinationTag) + "Plot" + @(chartId), @series, {
    title: "@title",
    seriesDefaults:{
      renderer:$.jqplot.BarRenderer,
      shadowAngle: 135,
      pointLabels: {show: true, formatString: '%.2f'}
    },
    axes: {
      xaxis: {
        renderer: $.jqplot.CategoryAxisRenderer,
        tickOptions:{formatString:'%b %#d, %y'},
        pad: 0
      },
      yaxis: {
        @if (axisYFormat != null)
        {
          <text>
          tickOptions: {
              formatString: "@axisYFormat"
          },
          </text>
        }
        pad: 0,
        @if (minY != null)
        {
            @:min: @minY,
        }
        @if (maxY != null)
        {
            @:max: @maxY,
        }
      }
    },
    gridPadding: { left: 50, right: 10 },
    cursor: {
      show: true,
      showTooltip: false,
      zoom: true,
      clickReset: false,
      dblClickReset: false,
      constrainZoomTo: 'x'
    }
  });
  </text>
}

@helper UserTasks(string url, string insertAfter, string taskState) {
  <text>
    var GetRequest = "?taskState=@(taskState)";

    $.ajax({ async: false, url: "@(new HtmlString(url))" + GetRequest, datatype: "json", success: function(result) {
      if(result.length==0) {
        $("@(insertAfter)").after(
          '<section class="chartContainer">' + 
            '<h1 class="title">No users currently have any tasks ' + @(taskState) + '!</h1>' + 
          '</section>'
        )
      }
      else {
        $("@(insertAfter)").after(
          '<section class="chartContainer">' + 
            '<h1 class="title" id="UserTask@(taskState)PlotTitle">@(taskState) Tasks</h1>' + 
            '<button class="collapse" onclick="CollapseSection(this)">-</button>' + 
            '<div id="UserTask@(taskState)Plot" class="noXTicks"></div>' +
            '<label id="UserTask@(taskState)PlotInfo"></label>' + 
          '</section>'
        );
      }
      var userTasks = [];
      var userNameLabels = [];
      var userNames = [];
      for (i=0; i < result.length; i++) {
        userTasks[i] = [result[i].Value];
        userNameLabels[i] = { label: result[i].Key };
        userNames[i] = result[i].Key;
      }
      window["UserTask@(taskState)Plot"] = $.jqplot("UserTask@(taskState)Plot", userTasks, {
        title: "Users with @(taskState) Tasks",
        seriesDefaults:{
          renderer:$.jqplot.BarRenderer,
          shadowAngle: 135,
          pointLabels: {show: true, formatString: '%.3f'}
        },
        series: userNameLabels,
        legend: {
          show: true,
          location: 'e',
          placement: 'outside'
        },
        axes: {
          xaxis: {
            renderer: $.jqplot.CategoryAxisRenderer,
            showTicks: false,
            pad: 0
          },
          yaxis: {
            padMax: 1.5
          }
        },
        cursor: {
          showTooltip: false
        }
      });
      /* Bind a datalistener to each chart and display details of clicked
        upon data in the label below the chart */
      $("#UserTask" + "@(taskState)Plot").bind('jqplotDataClick', function (ev, seriesIndex, pointIndex, data) {
        $(this).next("label").html(userNames[seriesIndex] + " Tasks @(taskState): "  + data[1]);
      });
    }});
  </text>
}