angular-gantt/src/core/logic/calendar/currentDateManager.factory.js

Gantt chart component for AngularJS

(function(){
    'use strict';
    angular.module('gantt').factory('GanttCurrentDateManager', ['moment', function(moment) {
        var GanttCurrentDateManager = function(gantt) {
            var self = this;

            this.gantt = gantt;

            this.date = undefined;
            this.position = undefined;
            this.currentDateColumn = undefined;

            this.gantt.$scope.simplifyMoment = function(d) {
                return moment.isMoment(d) ? d.unix() : d;
            };

            this.gantt.$scope.$watchGroup(['currentDate', 'simplifyMoment(currentDateValue)'], function(newValues, oldValues) {
                if (newValues !== oldValues) {
                    self.setCurrentDate(self.gantt.options.value('currentDateValue'));
                }
            });
        };

        GanttCurrentDateManager.prototype.setCurrentDate = function(currentDate) {
            this.date = currentDate;
            var oldColumn = this.currentDateColumn;
            var newColumn;

            if (this.date !== undefined && this.gantt.options.value('currentDate') === 'column') {
                newColumn = this.gantt.columnsManager.getColumnByDate(this.date, true);
            }
            this.currentDateColumn = newColumn;

            if (oldColumn !== newColumn) {
                if (oldColumn !== undefined) {
                    oldColumn.currentDate = false;
                    oldColumn.updateView();
                }
                if (newColumn !== undefined) {
                    newColumn.currentDate = true;
                    newColumn.updateView();
                }
            }

            this.position = this.gantt.getPositionByDate(this.date, true);
        };
        return GanttCurrentDateManager;
    }]);
}());