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

Gantt chart component for AngularJS

import moment from 'moment'

import {GanttColumn} from '../column/column.factory'
import {Gantt} from '../gantt.factory'

export class GanttCurrentDateManager {
  private gantt: Gantt
  private position: number
  private date: any
  private currentDateColumn: GanttColumn

  constructor (gantt: Gantt) {
    this.gantt = gantt

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

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

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

  setCurrentDate (currentDate) {
    this.date = currentDate

    let oldColumn = this.currentDateColumn
    let 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)
  }
}

export default function () {
  'ngInject'

  return GanttCurrentDateManager
}