You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
3.2 KiB
JavaScript
117 lines
3.2 KiB
JavaScript
'use strict'
|
|
var util = require('util')
|
|
var TrackerBase = require('./tracker-base.js')
|
|
var Tracker = require('./tracker.js')
|
|
var TrackerStream = require('./tracker-stream.js')
|
|
|
|
var TrackerGroup = module.exports = function (name) {
|
|
TrackerBase.call(this, name)
|
|
this.parentGroup = null
|
|
this.trackers = []
|
|
this.completion = {}
|
|
this.weight = {}
|
|
this.totalWeight = 0
|
|
this.finished = false
|
|
this.bubbleChange = bubbleChange(this)
|
|
}
|
|
util.inherits(TrackerGroup, TrackerBase)
|
|
|
|
function bubbleChange (trackerGroup) {
|
|
return function (name, completed, tracker) {
|
|
trackerGroup.completion[tracker.id] = completed
|
|
if (trackerGroup.finished) {
|
|
return
|
|
}
|
|
trackerGroup.emit('change', name || trackerGroup.name, trackerGroup.completed(), trackerGroup)
|
|
}
|
|
}
|
|
|
|
TrackerGroup.prototype.nameInTree = function () {
|
|
var names = []
|
|
var from = this
|
|
while (from) {
|
|
names.unshift(from.name)
|
|
from = from.parentGroup
|
|
}
|
|
return names.join('/')
|
|
}
|
|
|
|
TrackerGroup.prototype.addUnit = function (unit, weight) {
|
|
if (unit.addUnit) {
|
|
var toTest = this
|
|
while (toTest) {
|
|
if (unit === toTest) {
|
|
throw new Error(
|
|
'Attempted to add tracker group ' +
|
|
unit.name + ' to tree that already includes it ' +
|
|
this.nameInTree(this))
|
|
}
|
|
toTest = toTest.parentGroup
|
|
}
|
|
unit.parentGroup = this
|
|
}
|
|
this.weight[unit.id] = weight || 1
|
|
this.totalWeight += this.weight[unit.id]
|
|
this.trackers.push(unit)
|
|
this.completion[unit.id] = unit.completed()
|
|
unit.on('change', this.bubbleChange)
|
|
if (!this.finished) {
|
|
this.emit('change', unit.name, this.completion[unit.id], unit)
|
|
}
|
|
return unit
|
|
}
|
|
|
|
TrackerGroup.prototype.completed = function () {
|
|
if (this.trackers.length === 0) {
|
|
return 0
|
|
}
|
|
var valPerWeight = 1 / this.totalWeight
|
|
var completed = 0
|
|
for (var ii = 0; ii < this.trackers.length; ii++) {
|
|
var trackerId = this.trackers[ii].id
|
|
completed +=
|
|
valPerWeight * this.weight[trackerId] * this.completion[trackerId]
|
|
}
|
|
return completed
|
|
}
|
|
|
|
TrackerGroup.prototype.newGroup = function (name, weight) {
|
|
return this.addUnit(new TrackerGroup(name), weight)
|
|
}
|
|
|
|
TrackerGroup.prototype.newItem = function (name, todo, weight) {
|
|
return this.addUnit(new Tracker(name, todo), weight)
|
|
}
|
|
|
|
TrackerGroup.prototype.newStream = function (name, todo, weight) {
|
|
return this.addUnit(new TrackerStream(name, todo), weight)
|
|
}
|
|
|
|
TrackerGroup.prototype.finish = function () {
|
|
this.finished = true
|
|
if (!this.trackers.length) {
|
|
this.addUnit(new Tracker(), 1, true)
|
|
}
|
|
for (var ii = 0; ii < this.trackers.length; ii++) {
|
|
var tracker = this.trackers[ii]
|
|
tracker.finish()
|
|
tracker.removeListener('change', this.bubbleChange)
|
|
}
|
|
this.emit('change', this.name, 1, this)
|
|
}
|
|
|
|
var buffer = ' '
|
|
TrackerGroup.prototype.debug = function (depth) {
|
|
depth = depth || 0
|
|
var indent = depth ? buffer.substr(0, depth) : ''
|
|
var output = indent + (this.name || 'top') + ': ' + this.completed() + '\n'
|
|
this.trackers.forEach(function (tracker) {
|
|
if (tracker instanceof TrackerGroup) {
|
|
output += tracker.debug(depth + 1)
|
|
} else {
|
|
output += indent + ' ' + tracker.name + ': ' + tracker.completed() + '\n'
|
|
}
|
|
})
|
|
return output
|
|
}
|