gomuks/ui/password-modal.go
2020-09-12 01:59:53 +03:00

144 lines
3.8 KiB
Go

// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2020 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package ui
import (
"fmt"
"strings"
"maunium.net/go/mauview"
"maunium.net/go/tcell"
)
type PasswordModal struct {
mauview.Component
outputChan chan string
cancelChan chan struct{}
form *mauview.Form
text *mauview.TextField
confirmText *mauview.TextField
input *mauview.InputField
confirmInput *mauview.InputField
cancel *mauview.Button
submit *mauview.Button
parent *MainView
}
func (view *MainView) AskPassword(title, thing, placeholder string, isNew bool) (string, bool) {
pwm := NewPasswordModal(view, title, thing, placeholder, isNew)
view.ShowModal(pwm)
view.parent.Render()
return pwm.Wait()
}
func NewPasswordModal(parent *MainView, title, thing, placeholder string, isNew bool) *PasswordModal {
if placeholder == "" {
placeholder = "correct horse battery staple"
}
if thing == "" {
thing = strings.ToLower(title)
}
pwm := &PasswordModal{
parent: parent,
form: mauview.NewForm(),
outputChan: make(chan string, 1),
cancelChan: make(chan struct{}, 1),
}
pwm.form.
SetColumns([]int{1, 20, 1, 20, 1}).
SetRows([]int{1, 1, 1, 0, 0, 0, 1, 1, 1})
width := 45
height := 8
pwm.text = mauview.NewTextField()
if isNew {
pwm.text.SetText(fmt.Sprintf("Create a %s", thing))
} else {
pwm.text.SetText(fmt.Sprintf("Enter the %s", thing))
}
pwm.input = mauview.NewInputField().
SetMaskCharacter('*').
SetPlaceholder(placeholder)
pwm.form.AddComponent(pwm.text, 1, 1, 3, 1)
pwm.form.AddFormItem(pwm.input, 1, 2, 3, 1)
if isNew {
height += 3
pwm.confirmInput = mauview.NewInputField().
SetMaskCharacter('*').
SetPlaceholder(placeholder).
SetChangedFunc(pwm.HandleChange)
pwm.input.SetChangedFunc(pwm.HandleChange)
pwm.confirmText = mauview.NewTextField().SetText(fmt.Sprintf("Confirm %s", thing))
pwm.form.SetRow(3, 1).SetRow(4, 1).SetRow(5, 1)
pwm.form.AddComponent(pwm.confirmText, 1, 4, 3, 1)
pwm.form.AddFormItem(pwm.confirmInput, 1, 5, 3, 1)
}
pwm.cancel = mauview.NewButton("Cancel").SetOnClick(pwm.ClickCancel)
pwm.submit = mauview.NewButton("Submit").SetOnClick(pwm.ClickSubmit)
pwm.form.AddFormItem(pwm.submit, 3, 7, 1, 1)
pwm.form.AddFormItem(pwm.cancel, 1, 7, 1, 1)
box := mauview.NewBox(pwm.form).SetTitle(title)
center := mauview.Center(box, width, height).SetAlwaysFocusChild(true)
center.Focus()
pwm.form.FocusNextItem()
pwm.Component = center
return pwm
}
func (pwm *PasswordModal) HandleChange(_ string) {
if pwm.input.GetText() == pwm.confirmInput.GetText() {
pwm.submit.SetBackgroundColor(mauview.Styles.ContrastBackgroundColor)
} else {
pwm.submit.SetBackgroundColor(tcell.ColorDefault)
}
}
func (pwm *PasswordModal) ClickCancel() {
pwm.parent.HideModal()
pwm.cancelChan <- struct{}{}
}
func (pwm *PasswordModal) ClickSubmit() {
if pwm.confirmInput == nil || pwm.input.GetText() == pwm.confirmInput.GetText() {
pwm.parent.HideModal()
pwm.outputChan <- pwm.input.GetText()
}
}
func (pwm *PasswordModal) Wait() (string, bool) {
select {
case result := <-pwm.outputChan:
return result, true
case <-pwm.cancelChan:
return "", false
}
}