progress

package
v1.1.2 Latest Latest
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 Go to latest Published: Aug 28, 2018 License: MIT Imports: 6 Imported by: 0

README

progress display

  • progress bar
  • text progress bar
  • pending/loading progress bar
  • counter
  • dynamic Text

Documentation

Index

Examples

Constants

View Source 
const (
	CharStar   rune = '*'
	CharPlus   rune = '+'
	CharWell   rune = '#'
	CharEqual  rune = '='
	CharSpace  rune = ' '
	CharSquare rune = '■'
	// Hyphen Minus
	CharHyphen     rune = '-'
	CharCNHyphen   rune = '—'
	CharUnderline  rune = '_'
	CharLeftArrow  rune = '<'
	CharRightArrow rune = '>'
)

some built in chars

View Source 
const (
	DefBarWidth   = 60
	DefBarFormat  = "[{@bar}] {@percent:4s}%({@current}/{@max}){@message}"
	FullBarFormat = "[{@bar}] {@percent:4s}%({@current}/{@max}) {@elapsed:7s}/{@estimated:-7s} {@memory:6s}"
)

internal format for ProgressBar

View Source 
const (
	MinFormat  = "{@message}{@current}"
	TxtFormat  = "{@message}{@percent:4s}%({@current}/{@max})"
	DefFormat  = "{@message}{@percent:4s}%({@current}/{@max})"
	FullFormat = "{@percent:4s}%({@current}/{@max}) {@elapsed:7s}/{@estimated:-7s} {@memory:6s}"
)

internal format for Progress

Variables

View Source 
var (
	LoadingTheme1 = []rune{'-', '\\', '|', '/'}
	LoadingTheme2 = []rune{'◐', '◒', '◓', '◑'}
	LoadingTheme3 = []rune{'✣', '✤', '✥', '❉'}
	LoadingTheme4 = []rune{'卍', '卐'}
)

default spinner chars: -\|/

Functions

func HowLongAgo 

func HowLongAgo(sec int64) string

HowLongAgo format a seconds, get how lang ago

Types

type BarChars 

type BarChars struct {
	Completed, Processing, Remaining rune
}

BarChars setting for a progress bar. default {'#', '>', ' '}

func DefaultBarChars 

func DefaultBarChars() BarChars

DefaultBarChars default chars config

type Progress 

type Progress struct {
	// Format string the bar format
	Format string
	// MaxSteps maximal steps.
	MaxSteps uint
	// StepWidth the width for display "{@current}". default is 2
	StepWidth uint8
	// Overwrite prev output. default is True
	Overwrite bool
	// RedrawFreq redraw freq. default is 1
	RedrawFreq uint8
	// Widgets for build the progress bar
	Widgets map[string]WidgetFunc
	// Messages named messages for build progress bar
	// Example:
	// 	{"msg": "downloading ..."}
	// 	"{@percent}% {@msg}" -> "83% downloading ..."
	Messages map[string]string
	// contains filtered or unexported fields
}

Progress definition Refer: 

https://github.com/inhere/php-console/blob/master/src/Utils/ProgressBar.php

func Bar 

func Bar(maxSteps ...int) *Progress

Bar create a default progress bar.

func Counter 

func Counter(maxSteps ...int) *Progress

Counter progress bar create

func CustomBar 

func CustomBar(width int, cs BarChars) *Progress

CustomBar create a custom progress bar.

func DynamicText 

func DynamicText(messages map[int]string) *Progress

DynamicText progress bar create

func Full 

func Full(maxSteps ...int) *Progress

Full text progress bar create.

func LoadBar 

func LoadBar(chars []rune) *Progress

LoadBar create a loading progress bar

func LoadingBar 

func LoadingBar(chars []rune) *Progress

LoadingBar alias of load bar LoadBar()

func New 

func New(maxSteps ...int) *Progress

New Progress instance

func NewWithConfig 

func NewWithConfig(fn func(p *Progress), maxSteps ...int) *Progress

NewWithConfig create new Progress

func RoundTrip 

func RoundTrip(char rune, charNumAndBoxWidth ...int) *Progress

RoundTrip create a RoundTrip progress bar. Usage: 

p := RoundTrip(CharEqual)
// p := RoundTrip('*') // custom char
p.Start()
....
p.Finish()

func Tape 

func Tape(maxSteps ...int) *Progress

Tape create new tape progress bar. is alias of Bar()

func Txt 

func Txt(maxSteps ...int) *Progress

Txt progress bar create.

func (*Progress) AddMessage 

func (p *Progress) AddMessage(name, message string)

AddMessage to progress instance

func (*Progress) AddMessages 

func (p *Progress) AddMessages(msgMap map[string]string)

AddMessages to progress instance

func (*Progress) AddWidget 

func (p *Progress) AddWidget(name string, handler WidgetFunc) *Progress

AddWidget to progress instance

func (*Progress) AddWidgets 

func (p *Progress) AddWidgets(widgets map[string]WidgetFunc)

AddWidgets to progress instance

func (*Progress) Advance 

func (p *Progress) Advance(steps ...uint)

Advance specified step size. default is 1

func (*Progress) AdvanceTo 

func (p *Progress) AdvanceTo(step uint)

AdvanceTo specified number of steps

func (*Progress) Binding 

func (p *Progress) Binding(data interface{}) *Progress

Binding user custom data to instance

func (*Progress) Bound 

func (p *Progress) Bound() interface{}

Bound get bound sub struct instance

func (*Progress) Config 

func (p *Progress) Config(fn func(p *Progress)) *Progress

Config the progress instance

func (*Progress) Destroy 

func (p *Progress) Destroy()

Destroy removes the progress bar from the current line.

This is useful if you wish to write some output while a progress bar is running. Call display() to show the progress bar again.

func (*Progress) Display 

func (p *Progress) Display()

Display outputs the current progress string.

func (*Progress) Finish 

func (p *Progress) Finish(message ...string)

Finish the progress output. if provide finish message, will delete progress bar then print the message.

func (*Progress) FinishedAt 

func (p *Progress) FinishedAt() time.Time

FinishedAt time get

func (*Progress) Handler 

func (p *Progress) Handler(name string) WidgetFunc

Handler get widget handler by widget name

func (*Progress) Percent 

func (p *Progress) Percent() float32

Percent gets the current percent

func (*Progress) Progress 

func (p *Progress) Progress() uint

Progress alias of the Step()

func (*Progress) SetWidget 

func (p *Progress) SetWidget(name string, handler WidgetFunc) *Progress

SetWidget to progress instance

func (*Progress) Start 

func (p *Progress) Start(maxSteps ...int)

Start the progress bar

func (*Progress) StartedAt 

func (p *Progress) StartedAt() time.Time

StartedAt time get

func (*Progress) Step 

func (p *Progress) Step() uint

Step gets the current step position.

func (*Progress) WithMaxSteps 

func (p *Progress) WithMaxSteps(maxSteps ...int) *Progress

WithMaxSteps setting max steps

type ProgressBar 

type ProgressBar struct {
	// Width for the bar. default is 100
	Width int
	// Chars config for the bar. default {'#', '>', ' '}
	Chars BarChars
}

ProgressBar definition. Preview: 

	1 [->--------------------------]
	3 [■■■>------------------------]
25/50 [==============>-------------]  50%

func (ProgressBar) Create 

func (pb ProgressBar) Create(maxSteps ...int) *Progress

Config the progress instance

type ProgressFace 

type ProgressFace interface {
	Start(maxSteps ...int)
	Advance(steps ...uint)
	AdvanceTo(step uint)
	Finish(msg ...string)
	Bound() interface{}
}

ProgressFace interface

type RoundTripBar 

type RoundTripBar struct {
	Char     rune
	CharNum  int
	BoxWidth int
}

RoundTripBar config

func (RoundTripBar) Create 

func (rt RoundTripBar) Create(maxSteps ...int) *Progress

Create Progress bar from RoundTripBar config.

type WidgetFunc 

type WidgetFunc func(p *Progress) string

WidgetFunc handler func for progress widget

func DynamicTextWidget 

func DynamicTextWidget(messages map[int]string) WidgetFunc

DynamicTextWidget dynamic text message widget for progress bar. for param messages: int is percent, range is 0 - 100. value is message string. Usage please example.

Example 
widget := DynamicTextWidget(map[int]string{
	// int is percent, range is 0 - 100.
	20:  " Prepare ...",
	40:  " Request ...",
	65:  " Transport ...",
	95:  " Saving ...",
	100: " Handle Complete.",
})

maxStep := 105
p := New(maxStep).Config(func(p *Progress) {
	p.Format = "{@percent:4s}%({@current}/{@max}) {@message}"
}).AddWidget("message", widget)

runProgressBar(p, maxStep, 80)

p.Finish()

func LoadingWidget 

func LoadingWidget(chars []rune) WidgetFunc

LoadingWidget create a loading progress widget

func ProgressBarWidget 

func ProgressBarWidget(width int, cs BarChars) WidgetFunc

ProgressBarWidget create a progress bar widget.

Output like `[==============>-------------]`

func RoundTripWidget 

func RoundTripWidget(char rune, charNum, boxWidth int) WidgetFunc

RoundTripWidget create a round-trip widget for progress bar.

Output like `[ ==== ]`

Source Files

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