graph: convert legend.js to typescript

public/app/plugins/panel/graph/legend.js → public/app/plugins/panel/graph/legend.ts

-define([
-  'angular',
-  'lodash',
-  'jquery',
-  'perfect-scrollbar'
-],
-function (angular, _, $, PerfectScrollbar) {
-  'use strict';
-
-  var module = angular.module('grafana.directives');
-
-  module.directive('graphLegend', function(popoverSrv, $timeout) {
-
-    return {
-      link: function(scope, elem) {
-        var $container = $('<section class="graph-legend"></section>');
-        var firstRender = true;
-        var ctrl = scope.ctrl;
-        var panel = ctrl.panel;
-        var data;
-        var seriesList;
-        var i;
-        var legendScrollbar;
-
-        ctrl.events.on('render', function() {
-          data = ctrl.seriesList;
-          if (data) {
-            render();
-          }
-        });
-
-        function getSeriesIndexForElement(el) {
-          return el.parents('[data-series-index]').data('series-index');
+import angular from 'angular';
+import _ from 'lodash';
+import $ from 'jquery';
+import PerfectScrollbar from 'perfect-scrollbar';
+
+var module = angular.module('grafana.directives');
+
+module.directive('graphLegend', function(popoverSrv, $timeout) {
+
+  return {
+    link: function(scope, elem) {
+      var $container = $('<section class="graph-legend"></section>');
+      var firstRender = true;
+      var ctrl = scope.ctrl;
+      var panel = ctrl.panel;
+      var data;
+      var seriesList;
+      var i;
+      var legendScrollbar;
+
+      ctrl.events.on('render', function() {
+        data = ctrl.seriesList;
+        if (data) {
+          render();
         }
+      });
 
-        function openColorSelector(e) {
-          // if we clicked inside poup container ignore click
-          if ($(e.target).parents('.popover').length) {
-            return;
-          }
+      function getSeriesIndexForElement(el) {
+        return el.parents('[data-series-index]').data('series-index');
+      }
 
-          var el = $(e.currentTarget).find('.fa-minus');
-          var index = getSeriesIndexForElement(el);
-          var series = seriesList[index];
-
-          $timeout(function() {
-            popoverSrv.show({
-              element: el[0],
-              position: 'bottom center',
-              template: '<series-color-picker series="series" onToggleAxis="toggleAxis" onColorChange="colorSelected">' +
-                '</series-color-picker>',
-              openOn: 'hover',
-              model: {
-                series: series,
-                toggleAxis: function() {
-                  ctrl.toggleAxis(series);
-                },
-                colorSelected: function(color) {
-                  ctrl.changeSeriesColor(series, color);
-                }
-              },
-            });
-          });
+      function openColorSelector(e) {
+        // if we clicked inside poup container ignore click
+        if ($(e.target).parents('.popover').length) {
+          return;
         }
 
-        function toggleSeries(e) {
-          var el = $(e.currentTarget);
-          var index = getSeriesIndexForElement(el);
-          var seriesInfo = seriesList[index];
-          var scrollPosition = $($container.children('tbody')).scrollTop();
-          ctrl.toggleSeries(seriesInfo, e);
-          $($container.children('tbody')).scrollTop(scrollPosition);
-        }
+        var el = $(e.currentTarget).find('.fa-minus');
+        var index = getSeriesIndexForElement(el);
+        var series = seriesList[index];
+
+        $timeout(function() {
+          popoverSrv.show({
+            element: el[0],
+            position: 'bottom center',
+            template: '<series-color-picker series="series" onToggleAxis="toggleAxis" onColorChange="colorSelected">' +
+              '</series-color-picker>',
+            openOn: 'hover',
+            model: {
+              series: series,
+              toggleAxis: function() {
+                ctrl.toggleAxis(series);
+              },
+              colorSelected: function(color) {
+                ctrl.changeSeriesColor(series, color);
+              }
+            },
+          });
+        });
+      }
 
-        function sortLegend(e) {
-          var el = $(e.currentTarget);
-          var stat = el.data('stat');
+      function toggleSeries(e) {
+        var el = $(e.currentTarget);
+        var index = getSeriesIndexForElement(el);
+        var seriesInfo = seriesList[index];
+        var scrollPosition = $($container.children('tbody')).scrollTop();
+        ctrl.toggleSeries(seriesInfo, e);
+        $($container.children('tbody')).scrollTop(scrollPosition);
+      }
 
-          if (stat !== panel.legend.sort) { panel.legend.sortDesc = null; }
+      function sortLegend(e) {
+        var el = $(e.currentTarget);
+        var stat = el.data('stat');
 
-          // if already sort ascending, disable sorting
-          if (panel.legend.sortDesc === false) {
-            panel.legend.sort = null;
-            panel.legend.sortDesc = null;
-            ctrl.render();
-            return;
-          }
+        if (stat !== panel.legend.sort) { panel.legend.sortDesc = null; }
 
-          panel.legend.sortDesc = !panel.legend.sortDesc;
-          panel.legend.sort = stat;
+        // if already sort ascending, disable sorting
+        if (panel.legend.sortDesc === false) {
+          panel.legend.sort = null;
+          panel.legend.sortDesc = null;
           ctrl.render();
+          return;
         }
 
-        function getTableHeaderHtml(statName) {
-          if (!panel.legend[statName]) { return ""; }
-          var html = '<th class="pointer" data-stat="' + statName + '">' + statName;
+        panel.legend.sortDesc = !panel.legend.sortDesc;
+        panel.legend.sort = stat;
+        ctrl.render();
+      }
 
-          if (panel.legend.sort === statName) {
-            var cssClass = panel.legend.sortDesc ? 'fa fa-caret-down' : 'fa fa-caret-up' ;
-            html += ' <span class="' + cssClass + '"></span>';
-          }
+      function getTableHeaderHtml(statName) {
+        if (!panel.legend[statName]) { return ""; }
+        var html = '<th class="pointer" data-stat="' + statName + '">' + statName;
 
-          return html + '</th>';
+        if (panel.legend.sort === statName) {
+          var cssClass = panel.legend.sortDesc ? 'fa fa-caret-down' : 'fa fa-caret-up' ;
+          html += ' <span class="' + cssClass + '"></span>';
         }
 
-        function render() {
-          if (!ctrl.panel.legend.show) {
-            elem.empty();
-            firstRender = true;
-            return;
-          }
+        return html + '</th>';
+      }
 
-          if (firstRender) {
-            elem.append($container);
-            $container.on('click', '.graph-legend-icon', openColorSelector);
-            $container.on('click', '.graph-legend-alias', toggleSeries);
-            $container.on('click', 'th', sortLegend);
-            firstRender = false;
-          }
+      function render() {
+        if (!ctrl.panel.legend.show) {
+          elem.empty();
+          firstRender = true;
+          return;
+        }
 
-          seriesList = data;
-
-          $container.empty();
-
-          // Set min-width if side style and there is a value, otherwise remove the CSS propery
-          var width = panel.legend.rightSide && panel.legend.sideWidth ? panel.legend.sideWidth + "px" : "";
-          $container.css("min-width", width);
-
-          $container.toggleClass('graph-legend-table', panel.legend.alignAsTable === true);
-
-          var tableHeaderElem;
-          if (panel.legend.alignAsTable) {
-            var header = '<tr>';
-            header += '<th colspan="2" style="text-align:left"></th>';
-            if (panel.legend.values) {
-              header += getTableHeaderHtml('min');
-              header += getTableHeaderHtml('max');
-              header += getTableHeaderHtml('avg');
-              header += getTableHeaderHtml('current');
-              header += getTableHeaderHtml('total');
-            }
-            header += '</tr>';
-            tableHeaderElem = $(header);
-          }
+        if (firstRender) {
+          elem.append($container);
+          $container.on('click', '.graph-legend-icon', openColorSelector);
+          $container.on('click', '.graph-legend-alias', toggleSeries);
+          $container.on('click', 'th', sortLegend);
+          firstRender = false;
+        }
 
-          if (panel.legend.sort) {
-            seriesList = _.sortBy(seriesList, function(series) {
-              return series.stats[panel.legend.sort];
-            });
-            if (panel.legend.sortDesc) {
-              seriesList = seriesList.reverse();
-            }
-          }
+        seriesList = data;
 
-          var seriesShown = 0;
-          var seriesElements = [];
+        $container.empty();
 
-          for (i = 0; i < seriesList.length; i++) {
-            var series = seriesList[i];
+        // Set min-width if side style and there is a value, otherwise remove the CSS propery
+        var width = panel.legend.rightSide && panel.legend.sideWidth ? panel.legend.sideWidth + "px" : "";
+        $container.css("min-width", width);
 
-            if (series.hideFromLegend(panel.legend)) {
-              continue;
-            }
+        $container.toggleClass('graph-legend-table', panel.legend.alignAsTable === true);
 
-            var html = '<div class="graph-legend-series';
+        var tableHeaderElem;
+        if (panel.legend.alignAsTable) {
+          var header = '<tr>';
+          header += '<th colspan="2" style="text-align:left"></th>';
+          if (panel.legend.values) {
+            header += getTableHeaderHtml('min');
+            header += getTableHeaderHtml('max');
+            header += getTableHeaderHtml('avg');
+            header += getTableHeaderHtml('current');
+            header += getTableHeaderHtml('total');
+          }
+          header += '</tr>';
+          tableHeaderElem = $(header);
+        }
 
-            if (series.yaxis === 2) { html += ' graph-legend-series--right-y'; }
-            if (ctrl.hiddenSeries[series.alias]) { html += ' graph-legend-series-hidden'; }
-            html += '" data-series-index="' + i + '">';
-            html += '<div class="graph-legend-icon">';
-            html += '<i class="fa fa-minus pointer" style="color:' + series.color + '"></i>';
-            html += '</div>';
+        if (panel.legend.sort) {
+          seriesList = _.sortBy(seriesList, function(series) {
+            return series.stats[panel.legend.sort];
+          });
+          if (panel.legend.sortDesc) {
+            seriesList = seriesList.reverse();
+          }
+        }
+
+        var seriesElements = [];
+
+        for (i = 0; i < seriesList.length; i++) {
+          var series = seriesList[i];
 
-            html += '<a class="graph-legend-alias pointer" title="' + series.aliasEscaped + '">' + series.aliasEscaped + '</a>';
+          if (series.hideFromLegend(panel.legend)) {
+            continue;
+          }
 
-            if (panel.legend.values) {
-              var avg = series.formatValue(series.stats.avg);
-              var current = series.formatValue(series.stats.current);
-              var min = series.formatValue(series.stats.min);
-              var max = series.formatValue(series.stats.max);
-              var total = series.formatValue(series.stats.total);
+          var html = '<div class="graph-legend-series';
+
+          if (series.yaxis === 2) { html += ' graph-legend-series--right-y'; }
+          if (ctrl.hiddenSeries[series.alias]) { html += ' graph-legend-series-hidden'; }
+          html += '" data-series-index="' + i + '">';
+          html += '<div class="graph-legend-icon">';
+          html += '<i class="fa fa-minus pointer" style="color:' + series.color + '"></i>';
+          html += '</div>';
+
+          html += '<a class="graph-legend-alias pointer" title="' + series.aliasEscaped + '">' + series.aliasEscaped + '</a>';
+
+          if (panel.legend.values) {
+            var avg = series.formatValue(series.stats.avg);
+            var current = series.formatValue(series.stats.current);
+            var min = series.formatValue(series.stats.min);
+            var max = series.formatValue(series.stats.max);
+            var total = series.formatValue(series.stats.total);
+
+            if (panel.legend.min) { html += '<div class="graph-legend-value min">' + min + '</div>'; }
+            if (panel.legend.max) { html += '<div class="graph-legend-value max">' + max + '</div>'; }
+            if (panel.legend.avg) { html += '<div class="graph-legend-value avg">' + avg + '</div>'; }
+            if (panel.legend.current) { html += '<div class="graph-legend-value current">' + current + '</div>'; }
+            if (panel.legend.total) { html += '<div class="graph-legend-value total">' + total + '</div>'; }
+          }
 
-              if (panel.legend.min) { html += '<div class="graph-legend-value min">' + min + '</div>'; }
-              if (panel.legend.max) { html += '<div class="graph-legend-value max">' + max + '</div>'; }
-              if (panel.legend.avg) { html += '<div class="graph-legend-value avg">' + avg + '</div>'; }
-              if (panel.legend.current) { html += '<div class="graph-legend-value current">' + current + '</div>'; }
-              if (panel.legend.total) { html += '<div class="graph-legend-value total">' + total + '</div>'; }
-            }
+          html += '</div>';
+          seriesElements.push($(html));
+        }
 
-            html += '</div>';
-            seriesElements.push($(html));
+        if (panel.legend.alignAsTable) {
+          var maxHeight = ctrl.height;
 
-            seriesShown++;
+          if (!panel.legend.rightSide) {
+            maxHeight = maxHeight/2;
           }
 
-          if (panel.legend.alignAsTable) {
-            var maxHeight = ctrl.height;
-
-            if (!panel.legend.rightSide) {
-              maxHeight = maxHeight/2;
-            }
-
-            var topPadding = 6;
-            var tbodyElem = $('<tbody></tbody>');
-            tbodyElem.css("max-height", maxHeight - topPadding);
-            tbodyElem.append(tableHeaderElem);
-            tbodyElem.append(seriesElements);
-            $container.append(tbodyElem);
-          } else {
-            var maxLegendHeight = ctrl.height / 2;
-            $container.css("max-height", maxLegendHeight - 6);
-            $container.append(seriesElements);
-            if (!legendScrollbar) {
-              legendScrollbar = new PerfectScrollbar.default($container[0]);
-            }
-            legendScrollbar.update();
+          var topPadding = 6;
+          var tbodyElem = $('<tbody></tbody>');
+          tbodyElem.css("max-height", maxHeight - topPadding);
+          tbodyElem.append(tableHeaderElem);
+          tbodyElem.append(seriesElements);
+          $container.append(tbodyElem);
+        } else {
+          var maxLegendHeight = ctrl.height / 2;
+          $container.css("max-height", maxLegendHeight - 6);
+          $container.append(seriesElements);
+          if (!legendScrollbar) {
+            legendScrollbar = new PerfectScrollbar($container[0]);
           }
+          legendScrollbar.update();
         }
       }
-    };
-  });
-
+    }
+  };
 });