125 lines
2.9 KiB
Go
125 lines
2.9 KiB
Go
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package main
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import (
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ui "github.com/VladimirMarkelov/clui"
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term "github.com/nsf/termbox-go"
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)
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const (
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LoginOk = iota
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LoginCanceled
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LoginInvalid
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)
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type LoginDialog struct {
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View *ui.Window
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Username string
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Password string
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Action int
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result int
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beforeClose func()
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onClose func()
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onCheck func(string, string) bool
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}
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func CreateLoginDialog(title string) *LoginDialog {
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dlg := new(LoginDialog)
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sWidth, sHeight := ui.ScreenSize()
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wWidth, wHeight := 40, 15
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dlg.View = ui.AddWindow(sWidth/2-wWidth/2, sHeight/2-wHeight/2, wWidth, wHeight, title)
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ui.WindowManager().BeginUpdate()
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defer ui.WindowManager().EndUpdate()
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dlg.View.SetModal(true)
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dlg.View.SetSizable(false)
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dlg.View.SetTitleButtons(ui.ButtonDefault)
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dlg.View.SetPack(ui.Vertical)
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userfrm := ui.CreateFrame(dlg.View, 1, 1, ui.BorderNone, ui.Fixed)
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userfrm.SetPaddings(1, 1)
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userfrm.SetPack(ui.Horizontal)
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userfrm.SetGaps(1, 0)
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ui.CreateLabel(userfrm, ui.AutoSize, ui.AutoSize, " Login", ui.Fixed)
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edUser := ui.CreateEditField(userfrm, 20, "", 1)
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passfrm := ui.CreateFrame(dlg.View, 1, 1, ui.BorderNone, 1)
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passfrm.SetPaddings(1, 1)
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passfrm.SetPack(ui.Horizontal)
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passfrm.SetGaps(1, 0)
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ui.CreateLabel(passfrm, ui.AutoSize, ui.AutoSize, "Password", ui.Fixed)
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edPass := ui.CreateEditField(passfrm, 20, "", 1)
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edPass.SetPasswordMode(true)
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filler := ui.CreateFrame(dlg.View, 1, 1, ui.BorderNone, 1)
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filler.SetPack(ui.Horizontal)
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lbRes := ui.CreateLabel(filler, ui.AutoSize, ui.AutoSize, "", 1)
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blist := ui.CreateFrame(dlg.View, 1, 1, ui.BorderNone, ui.Fixed)
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blist.SetPack(ui.Horizontal)
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blist.SetPaddings(1, 1)
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btnOk := ui.CreateButton(blist, 20, 4, "Authenticate me", 1)
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btnOk.OnClick(func(ev ui.Event) {
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if dlg.onCheck != nil && !dlg.onCheck(edUser.Title(), edPass.Title()) {
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lbRes.SetTitle("Invalid username or password")
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dlg.Action = LoginInvalid
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return
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}
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dlg.Action = LoginOk
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if dlg.onCheck == nil {
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dlg.Username = edUser.Title()
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dlg.Password = edPass.Title()
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}
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if dlg.beforeClose != nil {
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dlg.beforeClose()
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}
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ui.WindowManager().DestroyWindow(dlg.View)
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ui.WindowManager().BeginUpdate()
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closeFunc := dlg.onClose
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ui.WindowManager().EndUpdate()
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if closeFunc != nil {
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closeFunc()
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}
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})
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dlg.View.OnKeyDown(func(ev ui.Event, data interface{}) bool {
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if ev.Key == term.KeyEnter {
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if edUser.Title() == "" {
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ui.ActivateControl(dlg.View, edUser)
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} else if edPass.Title() == "" {
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ui.ActivateControl(dlg.View, edPass)
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} else {
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if dlg.beforeClose != nil {
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dlg.beforeClose()
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}
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ui.WindowManager().DestroyWindow(dlg.View)
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ui.WindowManager().BeginUpdate()
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closeFunc := dlg.onClose
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ui.WindowManager().EndUpdate()
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if closeFunc != nil {
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closeFunc()
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}
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}
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return true
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}
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return false
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}, nil)
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edUser.OnChange(func(ev ui.Event) {
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lbRes.SetTitle("")
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})
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edPass.OnChange(func(ev ui.Event) {
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lbRes.SetTitle("")
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})
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ui.ActivateControl(dlg.View, edUser)
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return dlg
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}
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