highcharts-ng.js ➔ highchartsNGProvider - Code Metrics - MyEMS/myems - Measure and Improve Code Quality continuously with Scrutinizer

highcharts-ng.js ➔ highchartsNGProvider C
last analyzed 2025-06-17 15:42 UTC

↳ Parent: myems-admin/js/angular-highcharts/highcharts-ng.js

Complexity

Conditions

Size

Total Lines	26
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	19
dl	0
loc	26
rs	6.6666
c	0
b	0
f	0
cc	9

if (typeof module !== 'undefined' && typeof exports !== 'undefined' && module.exports === exports){
  module.exports = 'highcharts-ng';
}

(function () {
  'use strict';
  /*global angular: false, Highcharts: false */


  angular.module('highcharts-ng', [])
    .provider('highchartsNG', highchartsNGProvider)
    .directive('highchart', ['highchartsNG', '$timeout', highchart]);
  
  function highchartsNGProvider(){
    var modules = [];
    var basePath = false;
    var lazyLoad = false;
    return {
      HIGHCHART: 'highcharts.js',
      HIGHSTOCK: 'stock/highstock.js',
      basePath: function (p) {
        basePath = p;
      },
      lazyLoad: function (list) {
        if (list === undefined) {
          modules = [this.HIGHCHART];
        } else {
          modules = list;
        }
        lazyLoad = true;
      },
      $get: ['$window', '$rootScope', function ($window, $rootScope) {
        if (!basePath) {
          basePath = (window.location.protocol === 'https:' ? 'https' : 'http') + '://code.highcharts.com/';
        }
        return highchartsNG($window, $rootScope, lazyLoad, basePath, modules);
      }]
    };
  }
  function highchartsNG($window, $rootScope, lazyload, basePath, modules) {
    var readyQueue = [];
    var loading = false;
    return {
      lazyLoad:lazyload,
      ready: function (callback, thisArg) {
        if (typeof $window.Highcharts !== 'undefined' || !lazyload) {
          callback();
        } else {
          readyQueue.push([callback, thisArg]);
          if (loading) {
            return;
          }
          loading = true;
          var self = this;
          if (typeof jQuery === 'undefined') {
            modules.unshift('adapters/standalone-framework.js');
          }
          var doWork = function () {
            if (modules.length === 0) {
              loading = false;
              $rootScope.$apply(function () {
                angular.forEach(readyQueue, function (e) {
                  // invoke callback passing 'thisArg'
                  e[0].apply(e[1], []);
                });
              });
            } else {
              var s = modules.shift();
              self.loadScript(s, doWork);
            }
          };
          doWork();
        }
      },
      loadScript: function (path, callback) {
        var s = document.createElement('script');
        s.type = 'text/javascript';
        s.src = basePath + path;
        s.onload = callback;
        document.getElementsByTagName('body')[0].appendChild(s);
      },
      //IE8 support
      indexOf: function (arr, find, i /*opt*/) {
        if (i === undefined) i = 0;
        if (i < 0) i += arr.length;
        if (i < 0) i = 0;
        for (var n = arr.length; i < n; i++)
          if (i in arr && arr[i] === find)
            return i;
        return -1;
      },

      prependMethod: function (obj, method, func) {
        var original = obj[method];
        obj[method] = function () {
          var args = Array.prototype.slice.call(arguments);
          func.apply(this, args);
          if (original) {
            return original.apply(this, args);
          } else {
            return;

          }

        };
      },

      deepExtend: function deepExtend(destination, source) {
        //Slightly strange behaviour in edge cases (e.g. passing in non objects)
        //But does the job for current use cases.
        if (angular.isArray(source)) {
          destination = angular.isArray(destination) ? destination : [];
          for (var i = 0; i < source.length; i++) {
            destination[i] = deepExtend(destination[i] || {}, source[i]);
          }
        } else if (angular.isObject(source)) {
          destination = angular.isObject(destination) ? destination : {};
          for (var property in source) {
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
            destination[property] = deepExtend(destination[property] || {}, source[property]);
          }
        } else {
          destination = source;
        }
        return destination;
      }
    };
  }

  function highchart(highchartsNGUtils, $timeout) {

    // acceptable shared state
    var seriesId = 0;
    var ensureIds = function (series) {
      var changed = false;
      angular.forEach(series, function(s) {
        if (!angular.isDefined(s.id)) {
          s.id = 'series-' + seriesId++;
          changed = true;
        }
      });
      return changed;
    };

    // immutable
    var axisNames = [ 'xAxis', 'yAxis' ];
    var chartTypeMap = {
      'stock': 'StockChart',
      'map':   'Map',
      'chart': 'Chart'
    };

    var getMergedOptions = function (scope, element, config) {
      var mergedOptions = {};


      var defaultOptions = {
        chart: {
          events: {}
        },
        title: {},
        subtitle: {},
        series: [],
        credits: {},
        plotOptions: {},
        navigator: {enabled: false},
        xAxis: {
          events: {}
        },
        yAxis: {
          events: {}
        }
      };

      if (config.options) {
        mergedOptions = highchartsNGUtils.deepExtend(defaultOptions, config.options);
      } else {
        mergedOptions = defaultOptions;
      }
      mergedOptions.chart.renderTo = element[0];

      angular.forEach(axisNames, function(axisName) {
        if(angular.isDefined(config[axisName])) {
          mergedOptions[axisName] = highchartsNGUtils.deepExtend(mergedOptions[axisName] || {}, config[axisName]);

          if(angular.isDefined(config[axisName].currentMin) ||
              angular.isDefined(config[axisName].currentMax)) {

            highchartsNGUtils.prependMethod(mergedOptions.chart.events, 'selection', function(e){
              var thisChart = this;
              if (e[axisName]) {
                scope.$apply(function () {
                  scope.config[axisName].currentMin = e[axisName][0].min;
                  scope.config[axisName].currentMax = e[axisName][0].max;
                });
              } else {
                //handle reset button - zoom out to all
                scope.$apply(function () {
                  scope.config[axisName].currentMin = thisChart[axisName][0].dataMin;
                  scope.config[axisName].currentMax = thisChart[axisName][0].dataMax;
                });
              }
            });

            highchartsNGUtils.prependMethod(mergedOptions.chart.events, 'addSeries', function(e){
              scope.config[axisName].currentMin = this[axisName][0].min || scope.config[axisName].currentMin;
              scope.config[axisName].currentMax = this[axisName][0].max || scope.config[axisName].currentMax;
            });
            highchartsNGUtils.prependMethod(mergedOptions[axisName].events, 'setExtremes', function (e) {
              if (e.trigger && e.trigger !== 'zoom') { // zoom trigger is handled by selection event
                $timeout(function () {
                  scope.config[axisName].currentMin = e.min;
                  scope.config[axisName].currentMax = e.max;
                  scope.config[axisName].min = e.min; // set min and max to adjust scrollbar/navigator
                  scope.config[axisName].max = e.max;
                }, 0);
              }
            });
          }
        }
      });

      if(config.title) {
        mergedOptions.title = config.title;
      }
      if (config.subtitle) {
        mergedOptions.subtitle = config.subtitle;
      }
      if (config.credits) {
        mergedOptions.credits = config.credits;
      }
      if(config.size) {
        if (config.size.width) {
          mergedOptions.chart.width = config.size.width;
        }
        if (config.size.height) {
          mergedOptions.chart.height = config.size.height;
        }
      }
      return mergedOptions;
    };

    var updateZoom = function (axis, modelAxis) {
      var extremes = axis.getExtremes();
      if(modelAxis.currentMin !== extremes.dataMin || modelAxis.currentMax !== extremes.dataMax) {
        if (axis.setExtremes) {
          axis.setExtremes(modelAxis.currentMin, modelAxis.currentMax, false);
        } else {
          axis.detachedsetExtremes(modelAxis.currentMin, modelAxis.currentMax, false);
        }
      }
    };

    var processExtremes = function(chart, axis, axisName) {
      if(axis.currentMin || axis.currentMax) {
        chart[axisName][0].setExtremes(axis.currentMin, axis.currentMax, true);
      }
    };

    var chartOptionsWithoutEasyOptions = function (options) {
      return angular.extend(
        highchartsNGUtils.deepExtend({}, options),
        { data: null, visible: null }
      );
    };

    var getChartType = function(scope) {
      if (scope.config === undefined) return 'Chart';
      return chartTypeMap[('' + scope.config.chartType).toLowerCase()] ||
             (scope.config.useHighStocks ? 'StockChart' : 'Chart');
    };

    var res = {
      restrict: 'EAC',
      replace: true,
      template: '<div></div>',
      scope: {
        config: '=',
        disableDataWatch: '='
      },
      link: function (scope, element, attrs) {
        // We keep some chart-specific variables here as a closure
        // instead of storing them on 'scope'.

        // prevSeriesOptions is maintained by processSeries
        var prevSeriesOptions = {};

        var processSeries = function(series, seriesOld) {
          var i;
          var ids = [];

          if(series) {
            var setIds = ensureIds(series);
            if(setIds && !scope.disableDataWatch) {
              //If we have set some ids this will trigger another digest cycle.
              //In this scenario just return early and let the next cycle take care of changes
              return false;
            }

            //Find series to add or update
            angular.forEach(series, function(s, idx) {
              ids.push(s.id);
              var chartSeries = chart.get(s.id);
              if (chartSeries) {
                if (!angular.equals(prevSeriesOptions[s.id], chartOptionsWithoutEasyOptions(s))) {
                  chartSeries.update(angular.copy(s), false);
                } else {
                  if (s.visible !== undefined && chartSeries.visible !== s.visible) {
                    chartSeries.setVisible(s.visible, false);
                  }
                  
                  // Make sure the current series index can be accessed in seriesOld
                  if (idx < seriesOld.length) {
                    var sOld = seriesOld[idx];
                    var sCopy = angular.copy(sOld);
                    
                    // Get the latest data point from the new series
                    var ptNew = s.data[s.data.length - 1];
                    
                    // Check if the new and old series are identical with the latest data point added
                    // If so, call addPoint without shifting
                    sCopy.data.push(ptNew);
                    if (angular.equals(sCopy, s)) {
                      chartSeries.addPoint(ptNew, false);
                    }
                    
                    // Check if the data change was a push and shift operation
                    // If so, call addPoint WITH shifting
                    else {
                      sCopy.data.shift();
                      if (angular.equals(sCopy, s)) {
                        chartSeries.addPoint(ptNew, false, true);
                      }
                      else {
                        chartSeries.setData(angular.copy(s.data), false);
                      }
                    }
                  }
                  else {
                    chartSeries.setData(angular.copy(s.data), false);
                  }
                }
              } else {
                chart.addSeries(angular.copy(s), false);
              }
              prevSeriesOptions[s.id] = chartOptionsWithoutEasyOptions(s);
            });

            //  Shows no data text if all series are empty
            if(scope.config.noData) {
              var chartContainsData = false;

              for(i = 0; i < series.length; i++) {
                if (series[i].data && series[i].data.length > 0) {
                  chartContainsData = true;

                  break;
                }
              }

              if (!chartContainsData) {
                chart.showLoading(scope.config.noData);
              } else {
                chart.hideLoading();
              }
            }
          }

          //Now remove any missing series
          for(i = chart.series.length - 1; i >= 0; i--) {
            var s = chart.series[i];
            if (s.options.id !== 'highcharts-navigator-series' && highchartsNGUtils.indexOf(ids, s.options.id) < 0) {
              s.remove(false);
            }
          }

          return true;
        };

        // chart is maintained by initChart
        var chart = false;
        var initChart = function() {
          if (chart) chart.destroy();
          prevSeriesOptions = {};
          var config = scope.config || {};
          var mergedOptions = getMergedOptions(scope, element, config);
          var func = config.func || undefined;
          var chartType = getChartType(scope);

          chart = new Highcharts[chartType](mergedOptions, func);

          for (var i = 0; i < axisNames.length; i++) {
            if (config[axisNames[i]]) {
              processExtremes(chart, config[axisNames[i]], axisNames[i]);
            }
          }
          if(config.loading) {
            chart.showLoading();
          }
          config.getHighcharts = function() {
            return chart;
          };

        };
        initChart();


        if(scope.disableDataWatch){
          scope.$watchCollection('config.series', function (newSeries, oldSeries) {
            processSeries(newSeries);
            chart.redraw();
          });
        } else {
          scope.$watch('config.series', function (newSeries, oldSeries) {
            var needsRedraw = processSeries(newSeries, oldSeries);
            if(needsRedraw) {
              chart.redraw();
            }
          }, true);
        }

        scope.$watch('config.title', function (newTitle) {
          chart.setTitle(newTitle, true);
        }, true);

        scope.$watch('config.subtitle', function (newSubtitle) {
          chart.setTitle(true, newSubtitle);
        }, true);

        scope.$watch('config.loading', function (loading) {
          if(loading) {
            chart.showLoading(loading === true ? null : loading);
          } else {
            chart.hideLoading();
          }
        });
        scope.$watch('config.noData', function (noData) {
          if(scope.config && scope.config.loading) {
            chart.showLoading(noData);
          }
        }, true);

        scope.$watch('config.credits.enabled', function (enabled) {
          if (enabled) {
            chart.credits.show();
          } else if (chart.credits) {
            chart.credits.hide();
          }
        });

        scope.$watch(getChartType, function (chartType, oldChartType) {
          if (chartType === oldChartType) return;
          initChart();
        });

        angular.forEach(axisNames, function(axisName) {
          scope.$watch('config.' + axisName, function(newAxes) {
            if (!newAxes) {
              return;
            }

            if (angular.isArray(newAxes)) {

              for (var axisIndex = 0; axisIndex < newAxes.length; axisIndex++) {
                var axis = newAxes[axisIndex];

                if (axisIndex < chart[axisName].length) {
                  chart[axisName][axisIndex].update(axis, false);
                  updateZoom(chart[axisName][axisIndex], angular.copy(axis));
                }

              }

            } else {
              // update single axis
              chart[axisName][0].update(newAxes, false);
              updateZoom(chart[axisName][0], angular.copy(newAxes));
            }

            chart.redraw();
          }, true);
        });
        scope.$watch('config.options', function (newOptions, oldOptions, scope) {
          //do nothing when called on registration
          if (newOptions === oldOptions) return;
          initChart();
          processSeries(scope.config.series);
          chart.redraw();
        }, true);

        scope.$watch('config.size', function (newSize, oldSize) {
          if(newSize === oldSize) return;
          if(newSize) {
            chart.setSize(newSize.width || chart.chartWidth, newSize.height || chart.chartHeight);
          }
        }, true);

        scope.$on('highchartsng.reflow', function () {
          chart.reflow();
        });

        scope.$on('$destroy', function() {
          if (chart) {
            try{
              chart.destroy();
            }catch(ex){

              // fail silently as highcharts will throw exception if element doesn't exist
            }

            $timeout(function(){
              element.remove();
            }, 0);
          }
        });

      }
    };
    
    // override link fn if lazy loading is enabled
    if(highchartsNGUtils.lazyLoad){
      var oldLink = res.link;
      res.link = function(){
        var args = arguments;
        highchartsNGUtils.ready(function(){
          oldLink.apply(this, args);
        }, this);
      };
    }
    return res;
  }
}());


1			if (typeof module !== 'undefined' && typeof exports !== 'undefined' && module.exports === exports){
2			module.exports = 'highcharts-ng';
3			}
4
5			(function () {
6			'use strict';
7			/global angular: false, Highcharts: false /
8
9
10			angular.module('highcharts-ng', [])
11			.provider('highchartsNG', highchartsNGProvider)
12			.directive('highchart', ['highchartsNG', '$timeout', highchart]);
13
14			function highchartsNGProvider(){
15			var modules = [];
16			var basePath = false;
17			var lazyLoad = false;
18			return {
19			HIGHCHART: 'highcharts.js',
20			HIGHSTOCK: 'stock/highstock.js',
21			basePath: function (p) {
22			basePath = p;
23			},
24			lazyLoad: function (list) {
25			if (list === undefined) {
26			modules = [this.HIGHCHART];
27			} else {
28			modules = list;
29			}
30			lazyLoad = true;
31			},
32			$get: ['$window', '$rootScope', function ($window, $rootScope) {
33			if (!basePath) {
34			basePath = (window.location.protocol === 'https:' ? 'https' : 'http') + '://code.highcharts.com/';
35			}
36			return highchartsNG($window, $rootScope, lazyLoad, basePath, modules);
37			}]
38			};
39			}
40			function highchartsNG($window, $rootScope, lazyload, basePath, modules) {
41			var readyQueue = [];
42			var loading = false;
43			return {
44			lazyLoad:lazyload,
45			ready: function (callback, thisArg) {
46			if (typeof $window.Highcharts !== 'undefined' \|\| !lazyload) {
47			callback();
48			} else {
49			readyQueue.push([callback, thisArg]);
50			if (loading) {
51			return;
52			}
53			loading = true;
54			var self = this;
55			if (typeof jQuery === 'undefined') {
56			modules.unshift('adapters/standalone-framework.js');
57			}
58			var doWork = function () {
59			if (modules.length === 0) {
60			loading = false;
61			$rootScope.$apply(function () {
62			angular.forEach(readyQueue, function (e) {
63			// invoke callback passing 'thisArg'
64			e[0].apply(e[1], []);
65			});
66			});
67			} else {
68			var s = modules.shift();
69			self.loadScript(s, doWork);
70			}
71			};
72			doWork();
73			}
74			},
75			loadScript: function (path, callback) {
76			var s = document.createElement('script');
77			s.type = 'text/javascript';
78			s.src = basePath + path;
79			s.onload = callback;
80			document.getElementsByTagName('body')[0].appendChild(s);
81			},
82			//IE8 support
83			indexOf: function (arr, find, i /opt/) {
84			if (i === undefined) i = 0;
85			if (i < 0) i += arr.length;
86			if (i < 0) i = 0;
87			for (var n = arr.length; i < n; i++)
88			if (i in arr && arr[i] === find)
89			return i;
90			return -1;
91			},
92
93			prependMethod: function (obj, method, func) {
94			var original = obj[method];
95			obj[method] = function () {
96			var args = Array.prototype.slice.call(arguments);
97			func.apply(this, args);
98			if (original) {
99			return original.apply(this, args);
100			} else {
101			return;
			0 ignored issues – show Comprehensibility Best Practice introduced 2021-03-02 03:54 UTC by Report Bug Copy Issue Report Are you sure this return statement is not missing an argument? If this is intended, consider adding an explicit `undefined` like `return undefined;`. Loading history...
102			}
103
104			};
105			},
106
107			deepExtend: function deepExtend(destination, source) {
108			//Slightly strange behaviour in edge cases (e.g. passing in non objects)
109			//But does the job for current use cases.
110			if (angular.isArray(source)) {
111			destination = angular.isArray(destination) ? destination : [];
112			for (var i = 0; i < source.length; i++) {
113			destination[i] = deepExtend(destination[i] \|\| {}, source[i]);
114			}
115			} else if (angular.isObject(source)) {
116			destination = angular.isObject(destination) ? destination : {};
117			for (var property in source) {
			0 ignored issues – show Complexity introduced 2021-03-02 03:54 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
118			destination[property] = deepExtend(destination[property] \|\| {}, source[property]);
119			}
120			} else {
121			destination = source;
122			}
123			return destination;
124			}
125			};
126			}
127
128			function highchart(highchartsNGUtils, $timeout) {
129
130			// acceptable shared state
131			var seriesId = 0;
132			var ensureIds = function (series) {
133			var changed = false;
134			angular.forEach(series, function(s) {
135			if (!angular.isDefined(s.id)) {
136			s.id = 'series-' + seriesId++;
137			changed = true;
138			}
139			});
140			return changed;
141			};
142
143			// immutable
144			var axisNames = [ 'xAxis', 'yAxis' ];
145			var chartTypeMap = {
146			'stock': 'StockChart',
147			'map': 'Map',
148			'chart': 'Chart'
149			};
150
151			var getMergedOptions = function (scope, element, config) {
152			var mergedOptions = {};
			0 ignored issues – show Unused Code introduced 2021-03-02 03:54 UTC by Report Bug Copy Issue Report The assignment to variable `mergedOptions` seems to be never used. Consider removing it. Loading history...
153
154			var defaultOptions = {
155			chart: {
156			events: {}
157			},
158			title: {},
159			subtitle: {},
160			series: [],
161			credits: {},
162			plotOptions: {},
163			navigator: {enabled: false},
164			xAxis: {
165			events: {}
166			},
167			yAxis: {
168			events: {}
169			}
170			};
171
172			if (config.options) {
173			mergedOptions = highchartsNGUtils.deepExtend(defaultOptions, config.options);
174			} else {
175			mergedOptions = defaultOptions;
176			}
177			mergedOptions.chart.renderTo = element[0];
178
179			angular.forEach(axisNames, function(axisName) {
180			if(angular.isDefined(config[axisName])) {
181			mergedOptions[axisName] = highchartsNGUtils.deepExtend(mergedOptions[axisName] \|\| {}, config[axisName]);
182
183			if(angular.isDefined(config[axisName].currentMin) \|\|
184			angular.isDefined(config[axisName].currentMax)) {
185
186			highchartsNGUtils.prependMethod(mergedOptions.chart.events, 'selection', function(e){
187			var thisChart = this;
188			if (e[axisName]) {
189			scope.$apply(function () {
190			scope.config[axisName].currentMin = e[axisName][0].min;
191			scope.config[axisName].currentMax = e[axisName][0].max;
192			});
193			} else {
194			//handle reset button - zoom out to all
195			scope.$apply(function () {
196			scope.config[axisName].currentMin = thisChart[axisName][0].dataMin;
197			scope.config[axisName].currentMax = thisChart[axisName][0].dataMax;
198			});
199			}
200			});
201
202			highchartsNGUtils.prependMethod(mergedOptions.chart.events, 'addSeries', function(e){
203			scope.config[axisName].currentMin = this[axisName][0].min \|\| scope.config[axisName].currentMin;
204			scope.config[axisName].currentMax = this[axisName][0].max \|\| scope.config[axisName].currentMax;
205			});
206			highchartsNGUtils.prependMethod(mergedOptions[axisName].events, 'setExtremes', function (e) {
207			if (e.trigger && e.trigger !== 'zoom') { // zoom trigger is handled by selection event
208			$timeout(function () {
209			scope.config[axisName].currentMin = e.min;
210			scope.config[axisName].currentMax = e.max;
211			scope.config[axisName].min = e.min; // set min and max to adjust scrollbar/navigator
212			scope.config[axisName].max = e.max;
213			}, 0);
214			}
215			});
216			}
217			}
218			});
219
220			if(config.title) {
221			mergedOptions.title = config.title;
222			}
223			if (config.subtitle) {
224			mergedOptions.subtitle = config.subtitle;
225			}
226			if (config.credits) {
227			mergedOptions.credits = config.credits;
228			}
229			if(config.size) {
230			if (config.size.width) {
231			mergedOptions.chart.width = config.size.width;
232			}
233			if (config.size.height) {
234			mergedOptions.chart.height = config.size.height;
235			}
236			}
237			return mergedOptions;
238			};
239
240			var updateZoom = function (axis, modelAxis) {
241			var extremes = axis.getExtremes();
242			if(modelAxis.currentMin !== extremes.dataMin \|\| modelAxis.currentMax !== extremes.dataMax) {
243			if (axis.setExtremes) {
244			axis.setExtremes(modelAxis.currentMin, modelAxis.currentMax, false);
245			} else {
246			axis.detachedsetExtremes(modelAxis.currentMin, modelAxis.currentMax, false);
247			}
248			}
249			};
250
251			var processExtremes = function(chart, axis, axisName) {
252			if(axis.currentMin \|\| axis.currentMax) {
253			chart[axisName][0].setExtremes(axis.currentMin, axis.currentMax, true);
254			}
255			};
256
257			var chartOptionsWithoutEasyOptions = function (options) {
258			return angular.extend(
259			highchartsNGUtils.deepExtend({}, options),
260			{ data: null, visible: null }
261			);
262			};
263
264			var getChartType = function(scope) {
265			if (scope.config === undefined) return 'Chart';
266			return chartTypeMap[('' + scope.config.chartType).toLowerCase()] \|\|
267			(scope.config.useHighStocks ? 'StockChart' : 'Chart');
268			};
269
270			var res = {
271			restrict: 'EAC',
272			replace: true,
273			template: '<div></div>',
274			scope: {
275			config: '=',
276			disableDataWatch: '='
277			},
278			link: function (scope, element, attrs) {
279			// We keep some chart-specific variables here as a closure
280			// instead of storing them on 'scope'.
281
282			// prevSeriesOptions is maintained by processSeries
283			var prevSeriesOptions = {};
284
285			var processSeries = function(series, seriesOld) {
286			var i;
287			var ids = [];
288
289			if(series) {
290			var setIds = ensureIds(series);
291			if(setIds && !scope.disableDataWatch) {
292			//If we have set some ids this will trigger another digest cycle.
293			//In this scenario just return early and let the next cycle take care of changes
294			return false;
295			}
296
297			//Find series to add or update
298			angular.forEach(series, function(s, idx) {
299			ids.push(s.id);
300			var chartSeries = chart.get(s.id);
301			if (chartSeries) {
302			if (!angular.equals(prevSeriesOptions[s.id], chartOptionsWithoutEasyOptions(s))) {
303			chartSeries.update(angular.copy(s), false);
304			} else {
305			if (s.visible !== undefined && chartSeries.visible !== s.visible) {
306			chartSeries.setVisible(s.visible, false);
307			}
308
309			// Make sure the current series index can be accessed in seriesOld
310			if (idx < seriesOld.length) {
311			var sOld = seriesOld[idx];
312			var sCopy = angular.copy(sOld);
313
314			// Get the latest data point from the new series
315			var ptNew = s.data[s.data.length - 1];
316
317			// Check if the new and old series are identical with the latest data point added
318			// If so, call addPoint without shifting
319			sCopy.data.push(ptNew);
320			if (angular.equals(sCopy, s)) {
321			chartSeries.addPoint(ptNew, false);
322			}
323
324			// Check if the data change was a push and shift operation
325			// If so, call addPoint WITH shifting
326			else {
327			sCopy.data.shift();
328			if (angular.equals(sCopy, s)) {
329			chartSeries.addPoint(ptNew, false, true);
330			}
331			else {
332			chartSeries.setData(angular.copy(s.data), false);
333			}
334			}
335			}
336			else {
337			chartSeries.setData(angular.copy(s.data), false);
338			}
339			}
340			} else {
341			chart.addSeries(angular.copy(s), false);
342			}
343			prevSeriesOptions[s.id] = chartOptionsWithoutEasyOptions(s);
344			});
345
346			// Shows no data text if all series are empty
347			if(scope.config.noData) {
348			var chartContainsData = false;
349
350			for(i = 0; i < series.length; i++) {
351			if (series[i].data && series[i].data.length > 0) {
352			chartContainsData = true;
353
354			break;
355			}
356			}
357
358			if (!chartContainsData) {
359			chart.showLoading(scope.config.noData);
360			} else {
361			chart.hideLoading();
362			}
363			}
364			}
365
366			//Now remove any missing series
367			for(i = chart.series.length - 1; i >= 0; i--) {
368			var s = chart.series[i];
369			if (s.options.id !== 'highcharts-navigator-series' && highchartsNGUtils.indexOf(ids, s.options.id) < 0) {
370			s.remove(false);
371			}
372			}
373
374			return true;
375			};
376
377			// chart is maintained by initChart
378			var chart = false;
379			var initChart = function() {
380			if (chart) chart.destroy();
381			prevSeriesOptions = {};
382			var config = scope.config \|\| {};
383			var mergedOptions = getMergedOptions(scope, element, config);
384			var func = config.func \|\| undefined;
385			var chartType = getChartType(scope);
386
387			chart = new Highcharts[chartType](mergedOptions, func);
388
389			for (var i = 0; i < axisNames.length; i++) {
390			if (config[axisNames[i]]) {
391			processExtremes(chart, config[axisNames[i]], axisNames[i]);
392			}
393			}
394			if(config.loading) {
395			chart.showLoading();
396			}
397			config.getHighcharts = function() {
398			return chart;
399			};
400
401			};
402			initChart();
403
404
405			if(scope.disableDataWatch){
406			scope.$watchCollection('config.series', function (newSeries, oldSeries) {
407			processSeries(newSeries);
408			chart.redraw();
409			});
410			} else {
411			scope.$watch('config.series', function (newSeries, oldSeries) {
412			var needsRedraw = processSeries(newSeries, oldSeries);
413			if(needsRedraw) {
414			chart.redraw();
415			}
416			}, true);
417			}
418
419			scope.$watch('config.title', function (newTitle) {
420			chart.setTitle(newTitle, true);
421			}, true);
422
423			scope.$watch('config.subtitle', function (newSubtitle) {
424			chart.setTitle(true, newSubtitle);
425			}, true);
426
427			scope.$watch('config.loading', function (loading) {
428			if(loading) {
429			chart.showLoading(loading === true ? null : loading);
430			} else {
431			chart.hideLoading();
432			}
433			});
434			scope.$watch('config.noData', function (noData) {
435			if(scope.config && scope.config.loading) {
436			chart.showLoading(noData);
437			}
438			}, true);
439
440			scope.$watch('config.credits.enabled', function (enabled) {
441			if (enabled) {
442			chart.credits.show();
443			} else if (chart.credits) {
444			chart.credits.hide();
445			}
446			});
447
448			scope.$watch(getChartType, function (chartType, oldChartType) {
449			if (chartType === oldChartType) return;
450			initChart();
451			});
452
453			angular.forEach(axisNames, function(axisName) {
454			scope.$watch('config.' + axisName, function(newAxes) {
455			if (!newAxes) {
456			return;
457			}
458
459			if (angular.isArray(newAxes)) {
460
461			for (var axisIndex = 0; axisIndex < newAxes.length; axisIndex++) {
462			var axis = newAxes[axisIndex];
463
464			if (axisIndex < chart[axisName].length) {
465			chart[axisName][axisIndex].update(axis, false);
466			updateZoom(chart[axisName][axisIndex], angular.copy(axis));
467			}
468
469			}
470
471			} else {
472			// update single axis
473			chart[axisName][0].update(newAxes, false);
474			updateZoom(chart[axisName][0], angular.copy(newAxes));
475			}
476
477			chart.redraw();
478			}, true);
479			});
480			scope.$watch('config.options', function (newOptions, oldOptions, scope) {
481			//do nothing when called on registration
482			if (newOptions === oldOptions) return;
483			initChart();
484			processSeries(scope.config.series);
485			chart.redraw();
486			}, true);
487
488			scope.$watch('config.size', function (newSize, oldSize) {
489			if(newSize === oldSize) return;
490			if(newSize) {
491			chart.setSize(newSize.width \|\| chart.chartWidth, newSize.height \|\| chart.chartHeight);
492			}
493			}, true);
494
495			scope.$on('highchartsng.reflow', function () {
496			chart.reflow();
497			});
498
499			scope.$on('$destroy', function() {
500			if (chart) {
501			try{
502			chart.destroy();
503			}catch(ex){
			0 ignored issues – show Coding Style Comprehensibility Best Practice introduced 2021-03-02 03:54 UTC by Report Bug Copy Issue Report Empty catch clauses should be used with caution; consider adding a comment why this is needed. Loading history...
504			// fail silently as highcharts will throw exception if element doesn't exist
505			}
506
507			$timeout(function(){
508			element.remove();
509			}, 0);
510			}
511			});
512
513			}
514			};
515
516			// override link fn if lazy loading is enabled
517			if(highchartsNGUtils.lazyLoad){
518			var oldLink = res.link;
519			res.link = function(){
520			var args = arguments;
521			highchartsNGUtils.ready(function(){
522			oldLink.apply(this, args);
523			}, this);
524			};
525			}
526			return res;
527			}
528			}());
529

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highcharts-ng.js ➔ highchartsNGProvider C last analyzed 2025-06-17 15:42 UTC

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highcharts-ng.js ➔ highchartsNGProvider C
last analyzed 2025-06-17 15:42 UTC