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124 lines
3.3 KiB
124 lines
3.3 KiB
// Copyright (c) 2013-2016 by Michael Dvorkin. All Rights Reserved.
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// Use of this source code is governed by a MIT-style license that can
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// be found in the LICENSE file.
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package main
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import (
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`github.com/michaeldv/mop`
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`github.com/michaeldv/termbox-go`
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`time`
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)
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const help = `Mop v0.2.0 -- Copyright (c) 2013-2016 by Michael Dvorkin. All Rights Reserved.
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NO WARRANTIES OF ANY KIND WHATSOEVER. SEE THE LICENSE FILE FOR DETAILS.
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<u>Command</u> <u>Description </u>
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+ Add stocks to the list.
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- Remove stocks from the list.
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? Display this help screen.
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g Group stocks by advancing/declining issues.
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o Change column sort order.
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p Pause market data and stock updates.
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q Quit mop.
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esc Ditto.
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Enter comma-delimited list of stock tickers when prompted.
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<r> Press any key to continue </r>
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`
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//-----------------------------------------------------------------------------
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func mainLoop(screen *mop.Screen, profile *mop.Profile) {
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var lineEditor *mop.LineEditor
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var columnEditor *mop.ColumnEditor
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keyboardQueue := make(chan termbox.Event)
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timestampQueue := time.NewTicker(1 * time.Second)
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quotesQueue := time.NewTicker(5 * time.Second)
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marketQueue := time.NewTicker(12 * time.Second)
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showingHelp := false
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paused := false
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go func() {
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for {
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keyboardQueue <- termbox.PollEvent()
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}
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}()
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market := mop.NewMarket()
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quotes := mop.NewQuotes(market, profile)
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screen.Draw(market, quotes)
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loop:
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for {
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select {
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case event := <-keyboardQueue:
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switch event.Type {
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case termbox.EventKey:
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if lineEditor == nil && columnEditor == nil && !showingHelp {
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if event.Key == termbox.KeyEsc || event.Ch == 'q' || event.Ch == 'Q' {
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break loop
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} else if event.Ch == '+' || event.Ch == '-' {
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lineEditor = mop.NewLineEditor(screen, quotes)
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lineEditor.Prompt(event.Ch)
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} else if event.Ch == 'o' || event.Ch == 'O' {
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columnEditor = mop.NewColumnEditor(screen, quotes)
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} else if event.Ch == 'g' || event.Ch == 'G' {
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if profile.Regroup() == nil {
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screen.Draw(quotes)
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}
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} else if event.Ch == 'p' || event.Ch == 'P' {
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paused = !paused
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screen.Pause(paused).Draw(time.Now())
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} else if event.Ch == '?' || event.Ch == 'h' || event.Ch == 'H' {
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showingHelp = true
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screen.Clear().Draw(help)
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}
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} else if lineEditor != nil {
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if done := lineEditor.Handle(event); done {
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lineEditor = nil
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}
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} else if columnEditor != nil {
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if done := columnEditor.Handle(event); done {
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columnEditor = nil
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}
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} else if showingHelp {
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showingHelp = false
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screen.Clear().Draw(market, quotes)
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}
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case termbox.EventResize:
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screen.Resize()
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if !showingHelp {
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screen.Draw(market, quotes)
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} else {
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screen.Draw(help)
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}
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}
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case <-timestampQueue.C:
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if !showingHelp && !paused {
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screen.Draw(time.Now())
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}
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case <-quotesQueue.C:
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if !showingHelp && !paused {
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screen.Draw(quotes)
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}
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case <-marketQueue.C:
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if !showingHelp && !paused {
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screen.Draw(market)
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}
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}
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}
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}
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//-----------------------------------------------------------------------------
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func main() {
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screen := mop.NewScreen()
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defer screen.Close()
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profile := mop.NewProfile()
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mainLoop(screen, profile)
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}
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