tview/demos/presentation/form.go

package main

import (
	"bytes"
	"encoding/base64"
	"image/jpeg"

	"github.com/rivo/tview"
)

const form = `[green]package[white] main

[green]import[white] (
    [red]"github.com/rivo/tview"[white]
)

[green]func[white] [yellow]main[white]() {
    form := tview.[yellow]NewForm[white]().
		[yellow]AddImage[white]([red]"Photo:"[white], img, [red]0[white], [red]12[white], 0[white]).
        [yellow]AddInputField[white]([red]"First name:"[white], [red]""[white], [red]20[white], nil, nil).
        [yellow]AddInputField[white]([red]"Last name:"[white], [red]""[white], [red]20[white], nil, nil).
        [yellow]AddDropDown[white]([red]"Role:"[white], [][green]string[white]{
            [red]"Engineer"[white],
            [red]"Manager"[white],
            [red]"Administration"[white],
        }, [red]0[white], nil).
        [yellow]AddCheckbox[white]([red]"On vacation:"[white], false, nil).
        [yellow]AddPasswordField[white]([red]"Password:"[white], [red]""[white], [red]10[white], [red]'*'[white], nil).
        [yellow]AddTextArea[white]([red]"Notes:"[white], [red]""[white], [red]0[white], [red]5[white], [red]0[white], nil).
        [yellow]AddButton[white]([red]"Save"[white], [yellow]func[white]() { [blue]/* Save data */[white] }).
        [yellow]AddButton[white]([red]"Cancel"[white], [yellow]func[white]() { [blue]/* Cancel */[white] })
    tview.[yellow]NewApplication[white]().
        [yellow]SetRoot[white](form, true).
        [yellow]Run[white]()
}`

const photo = `/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAQEBAQEBAQEBAQGBgUGBggHBwcHCAwJCQkJCQwTDA4MDA4MExEUEA8QFBEeFxUVFx4iHRsdIiolJSo0MjRERFwBBAQEBAQEBAQEBAYGBQYGCAcHBwcIDAkJCQkJDBMMDgwMDgwTERQQDxAUER4XFRUXHiIdGx0iKiUlKjQyNEREXP/CABEIARgAyAMBIgACEQEDEQH/xAAcAAABBQEBAQAAAAAAAAAAAAAGAgMEBQcBCAD/2gAIAQEAAAAAbUpXVd6nqYef0Czgr+5xPEIbnLUpXewxMVpM/D3LEk1nRJyfuIQ3PUvv1LkQHRQPmYEazTaTdU0u9eShuevqaXzeGTfpTtU9St8jT7rupbPNQievojggrSzJ7VPyS43HTIZkXGubShFgpHkoLmVJVY27corrKcXH66LYRzP1utFh3njOuc5s2tWb852vhCY6I5JRMmXsCQiw7G8RmW13Jnc2lq5XIrqIdrM5xGjY9Z6M3YqgePduPr2/vyC75VQaiio6ClxDOIO+7u1ZdqfKW/FRAUl9/cR6KFT0IyMVOeYnV7B6ObsvhPznvJaVFJhdWjNJXwhEYFqMVwsc170eix6GedPQxUUExVb2Ca2vijAkLjg3igvr3ohFgsc8wejScsJyWe98w1BHAoToAzLRfWPQiLFyn8tegyg5MSeZDdeZqRfPxgfFMqEtu29Fk5WeZ9vI9JICdFi401TioGMDNFm2e7nrdhZuVeJGYd9CNNh0SYFYMEsTZl/Ayj7SzQrslzgwMGiYegGe/kmEZhS/T3bVeRHBkSX9k5YB1WL5vEM7T0zoHl+muMlh35mP5iRmRhcWblxFBJPZUOy0I6xFn5cBmuEczL5WnyrNa+CWhlD/AEUJzDIoeno5n2diGWFpwbotFrdGz3SbOgzu7O8fHNxvYGdZkD5Rp5/ZIs1rTFMTmcO5qXaXg1PqZXDBM5zWqPDPiLJa+wLYnmcy+4MsUEthtGBsYCyo3+QiyWpVd1+0fgAwNWHx4zAHrnMSw0ShFitXYs9yHR8lKroyOEtdLxotOkNJslq7xiyHg3lleDw9U6SdAsPLTs8Q2myV1Xaafa0oISTaumujsEpwiCbaAlCLHqldbASi6Hos2imFDeWVtDMKdG4hNh1Xe8Faw47SUssgsaHJ6/qrrU/kIsVd++YF6kkJJTrf0MEzVmxZriAwrZ5x8GRiGrr7+hJnLjkYbz+ukvMU0icjIfT2Nh/qpcCsv+BkP5UZhl1cqLR2l3H86ORpHre+qqyylpyKkuZslCVWUCrK77H8g4r7WfR9JB7OmjYC9Mjtpsn4TJjX+ZoSVfSfThjWMPWjYwlqvgSZjbb1zhAEr//EABoBAAEFAQAAAAAAAAAAAAAAAAMAAQIEBQb/2gAIAQIQAAAASkzMyk6dReMWd0zzdNGCCwSHm5Eh52NlzZ7vQ3Zug8jlmuUxH1eisPGvx1PQv51daXRXHjW42tpyjSe/vaLxxKJYAJZELXhstys7dbNs6gK12HQth5DswziPd0dJB5I1UwDRNo7ckuYz52C0oWunMksTEvEQqNzpDpIXJyvDolNv2UlHAz5NI7amhNZ+NFyJ4IrdDLP54wLiZJ7m2y5cYplkzv0Zf//EABoBAAEFAQAAAAAAAAAAAAAAAAMAAQIEBQb/2gAIAQMQAAAASSd3UEkkpETMnjFlJEkeRwgDGCeeru6rEHR5fPgzl7TUqUL9mGRy1dpWe2sZdHStGzOXps9rtiZcXvnz+aoRfob4pkGA88U2BLsA17l4eVOzSJy8um1XKK3VJUoZ+NKx2QNGvcpTq5nPwkuo2T1RXQZfMgTrb6FjhETO52ski9dfOMedXwaqSfodY8qFImVnjWjuShJqxHG/Nx0ulCWg6dPTwU/VGlCA5Rfmw//EAD0QAAEDAgQEAgYIBgEFAAAAAAEAAgMEEQUSITETIkFRMmEGFCAjcYEQMDNCYpGhsRUkQ1JywdElQJLh8f/aAAgBAQABPwH6g/QHNOxT6iGIXfIAq7HooHx8NzXtvzWOqqPSPT3UjSD16hQYs55yskfI/sbAKLEHC3Hhyg/eBuENf+wfMyMXeQFJjFPG4811WekUdhHDcX3dvZO9I2QR5KZhcernqqxuqlPMR5eSlmc4ibO65OqbJffr5JjmR2k6dT/6X8RDbN1c3vsqH0hpCwNmeWnzUVTDO3NFI1w8j9bVVkVMxxe61lPj9U5zmwuAvt3CqKypkeQ6Vzj8U71o6t1/dNM1xxCb9kBIX6ansquJ7SM7bXCa4NAY5uhNynXLtf0UfEDXHcZdEJLMLtgSoZG3y/cOqgrX00ruDI4a6Km9JyMsckRcosSpXsa7jDm6JkjZBdpv9RfXL81WVjKWMyO6LFMUmqXF17DoEJJCbOfYlOY25aLvH5XKhjmEgc1lg3cXVZkztu7pus8EMd4eZ2XxpkzXOPHuWlOhp92G7b/MJxaHERsuf10QkeHXIt8fNTNc05XM5ehCZpYi9hus9nD9VxAG3y5XjS47KCVsZzFpd8Vh2MxxvBIsDpZQ1Ec7Q+M3B9vE6wUQE1xmA8PcKtxKbEHl0nIwbNCkYcheBc2/JMeGmzdXH80GSeLW/ZB5eyxNh3806MPBOfn6A6g/NWka3RuiH3muHwVza+Wx8tvyQBdr8+yIzcrmj5aJvuzmjdYhA5HbX8yszcw6X6LOQ9vXuiW2LgD8lS1gh5HszNP5rA6+HjiCJ5yP2B3B9p2jSR0WL1s9bWSgnQGwHZHieFp+KbJkiLO6Y7hnZQylwIIu5NoJyQ/Jfuv4W+Xm1RwyUfdvbqFDhL3m7o7oYI7KC2MAFPwK+p0/ZTYM9h93EVJRTRO8JGvZS07gNQUcw8fXVHU2CY4MswG4IsU5wDt1QSZamkmgGzgHfNM8I9l2xVfb1uqPTiEDzQaXOD1LSyuGa1tOigwyqktZmiwrAHtGaayjwyJgygaqPDIRuy6fRCzQ2NuqjoGRgADdOpmOGSy9UANipaYEaDXzUtCD4m3891JhET73bZVWBNc05RqqnD3QORGXqnAlywaZsVQxsjuS9/yULxJG146+zPpDIfwlVOZ9TKT/AHFYZRGeVuccqjoodyweSio2ZgQ1QQ2sFk18lFFvouAD0unQ8trIw2dqnQtdzFuo6p0IIupIt1IwttpcFSsssTw5rwX9T1VVDw3ljhtqE8eE7Jpym+x7r0aqxUUQbfVuns1QvTzf4FCO8z791hNOGx5yN0xtz5dFFa6iYmQj5qKn5rpkKdD0UsWwRZa6cnstdPbpqn9VOzOMvksVo+bNe5T2foizMvRBzRxGezXOLaWcj+wqmZxJru2uqQcjQNgFE3dQsub2ULNioodtFHEmxdU6Ef7T9ypBfQJ0ZG4UrRf4qVuVSC907ULFI3FjjbVPHOe6c3TN52Xoi4+tSs6ZfZxl3DoJz+FUf21ug/dUg5R8FCoAoGcyi5W2UbundX0Tjm0Uo1RtfQJ9lMOa6l5rqTyTtg1Yj9k6ylFrkdE/ay9ER/NPNuns482+G1BG4Cw4++aqYcoUQUTVTZmjV2ZR9lG63RZhayzKQ36LVStU8e6nbYmylGpR8Tgq43Y4dbKZvi/VSDN8l6H2FRO32cWbfD6ofgKodKqMFU/gCj7KK9hoob68uqhbfcIaGyvfdWTm+RVrbJwKna6x1VQcoN0Rd2ZSgNzlV98gt2UzuVykAt53XoeDx6lx7D2a9uajqG/gKw0Zq2x3VPo1RO10VONNQqcAqNgvZOGmyLeyDSsndFikbupxoqsHqnG2im287hVDRYquiyG/kjqvRCMZJ5Ot7fL2Z3BwfFcXIKo2GHEsj9DmeFFoFSywsc0SO1PRRSwBoIPRU1Qw/wC02oiCdUtdo0pr9Nd1cLjDujUMClqotW31UlbCNS4KrracHLe99FMQ7madE9xt81OsSLQAD5o30a3fosGM9NTtbfJfUhU0/GYe40PsPw9szjUB5EjNrLGKV1Li1NMW24h/VTymCEvG6bVy5i48v4ipsfmibka65+Oyb6S1rAGh5HwVD6S1L3e9ebdb

// Form demonstrates forms.
func Form(nextSlide func()) (title string, content tview.Primitive) {
	b, _ := base64.StdEncoding.DecodeString(photo)
	img, _ := jpeg.Decode(bytes.NewReader(b))
	f := tview.NewForm().
		AddImage("Photo:", img, 0, 12, 0).
		AddInputField("First name:", "", 20, nil, nil).
		AddInputField("Last name:", "", 20, nil, nil).
		AddDropDown("Role:", []string{"Engineer", "Manager", "Administration"}, 0, nil).
		AddCheckbox("On vacation:", false, nil).
		AddPasswordField("Password:", "", 10, '*', nil).
		AddTextArea("Notes:", "", 0, 2, 0, nil).
		AddButton("Save", nextSlide).
		AddButton("Cancel", nextSlide)
	f.SetBorder(true).SetTitle("Employee Information")
	return "Forms", Code(f, 36, 31, form)
}