//abortQuit goes back to the ActionListView if the quit message is rejected
func (c *CUI) abortQuit(g *gocui.Gui, v *gocui.View) error {
if err := g.DeleteView("QuitWarnView"); err != nil {
return err
}
if err := g.SetCurrentView("ActionListView"); err != nil {
return err
}
return nil
}
func (c *CUI) printActionHelp(g *gocui.Gui) error {
v, err := g.View("HelpView")
if err != nil {
return err
}
v.Clear()
fmt.Fprint(v, "Use <Enter> to acknowledge action. <Backspace> to go Back. <Space> to report Error.\n<Ctrl-X> to exit at any time")
return nil
}
func (c *CUI) printGeneralHelp(g *gocui.Gui) error {
v, err := g.View("HelpView")
if err != nil {
return err
}
v.Clear()
fmt.Fprint(v, "Use up/down keys to highlight Actions. <Enter> to select. <Tab> to change to Log Messages List.\n<Ctrl-X> to exit at any time")
return nil
}
//selectAction shows information about the action that is selected in the ActionListView
func (c *CUI) selectAction(g *gocui.Gui, v *gocui.View) error {
c.selectedCommand = c.getCursorListPos(g, v)
if c.selectedCommand > len(c.cmdList)-1 {
return nil
}
var l string
var t string
//Load the message from the commandList
l = c.cmdList[c.selectedCommand].Message.ChildrenText()
t = c.cmdList[c.selectedCommand].Message.Message
maxX, maxY := g.Size()
if v, err := g.SetView("ActionViewTitle", maxX/2-30, maxY/3-2, maxX/2+30, maxY/3); err != nil {
if err != gocui.ErrorUnkView {
return err
}
fmt.Fprintln(v, t)
}
if v, err := g.SetView("ActionView", maxX/2-30, maxY/3, maxX/2+30, 2*maxY/3); err != nil {
if err != gocui.ErrorUnkView {
return err
}
v.Wrap = true
fmt.Fprintln(v, l)
if err := g.SetCurrentView("ActionView"); err != nil {
return err
}
}
err := c.printActionHelp(g)
return err
}
//deleteView deletes ActionView + ActionViewTittle and gives focus to ActionListView
func (c *CUI) deleteView(g *gocui.Gui, v *gocui.View) error {
if err := g.DeleteView("ActionView"); err != nil {
return err
}
if err := g.DeleteView("ActionViewTitle"); err != nil {
return err
}
if err := g.SetCurrentView("ActionListView"); err != nil {
return err
}
if err := c.printGeneralHelp(g); err != nil {
return err
}
return nil
}
//quit is called when the user wants to finish the execution of the gui. It should display a warning screen and give an
// error result to all the pending actions. If no pending actions exists, it just exists
func (c *CUI) quit(g *gocui.Gui, v *gocui.View) error {
if len(c.cmdList) > 0 {
maxX, maxY := g.Size()
if v, err := g.SetView("QuitWarnView", maxX/2-30, maxY/4, maxX/2+30, 3*maxY/4); err != nil {
if err != gocui.ErrorUnkView {
return err
}
fmt.Fprintf(v, "By pressing <Ctrl-X> all pending actions will be cancelled.\nPress <Enter> to go back")
v.BgColor = gocui.ColorYellow
v.FgColor = gocui.ColorBlack
if err := g.SetCurrentView("QuitWarnView"); err != nil {
return err
}
}
return nil
}
return c.quitAcknowledged(g, v)
}
//keybindings configures the keyboard actions for each window
func (c *CUI) keybindings(g *gocui.Gui) error {
//Everybody
if err := g.SetKeybinding("", gocui.KeyCtrlX, gocui.ModNone, c.quit); err != nil {
return err
}
//ActionListView
if err := g.SetKeybinding("ActionListView", gocui.KeyTab, gocui.ModNone, c.nextView); err != nil {
return err
}
if err := g.SetKeybinding("ActionListView", gocui.KeyArrowDown, gocui.ModNone, c.cursorDown); err != nil {
return err
}
if err := g.SetKeybinding("ActionListView", gocui.KeyArrowUp, gocui.ModNone, c.cursorUp); err != nil {
return err
}
if err := g.SetKeybinding("ActionListView", gocui.KeyEnter, gocui.ModNone, c.selectAction); err != nil {
return err
}
//LogView
if err := g.SetKeybinding("LogView", gocui.KeyArrowDown, gocui.ModNone, c.cursorDown); err != nil {
return err
}
if err := g.SetKeybinding("LogView", gocui.KeyArrowUp, gocui.ModNone, c.cursorUp); err != nil {
return err
}
if err := g.SetKeybinding("LogView", gocui.KeyTab, gocui.ModNone, c.nextView); err != nil {
return err
}
//Action View
if err := g.SetKeybinding("ActionView", gocui.KeyEnter, gocui.ModNone, c.ActionDone); err != nil {
panic(err)
}
if err := g.SetKeybinding("ActionView", gocui.KeyBackspace, gocui.ModNone, c.ActionBack); err != nil {
return err
}
if err := g.SetKeybinding("ActionView", gocui.KeyBackspace2, gocui.ModNone, c.ActionBack); err != nil {
return err
}
if err := g.SetKeybinding("ActionView", gocui.KeySpace, gocui.ModNone, c.ActionError); err != nil {
return err
}
if err := g.SetKeybinding("ErrorMessageView", gocui.KeyEnter, gocui.ModNone, c.ReportError); err != nil {
return err
}
if err := g.SetKeybinding("QuitWarnView", gocui.KeyCtrlX, gocui.ModNone, c.quitAcknowledged); err != nil {
return err
}
if err := g.SetKeybinding("QuitWarnView", gocui.KeyEnter, gocui.ModNone, c.abortQuit); err != nil {
return err
}
return nil
}
//nextView jumps between the ActionListView and the LogView
func (c *CUI) nextView(g *gocui.Gui, v *gocui.View) error {
if v == nil || v.Name() == "ActionListView" {
return g.SetCurrentView("LogView")
}
return g.SetCurrentView("ActionListView")
}
//layout sets the initial layou of the gui putting the windows in place
func (c *CUI) layout(g *gocui.Gui) error {
maxX, maxY := g.Size()
if v, err := g.SetView("ActionListTitle", -1, -1, int(0.7*float32(maxX)), 2); err != nil {
if err != gocui.ErrorUnkView {
return err
}
fmt.Fprint(v, " Action List")
v.FgColor = gocui.ColorGreen
}
if v, err := g.SetView("ActionListView", -1, 2, int(0.7*float32(maxX)), maxY-5); err != nil {
if err != gocui.ErrorUnkView {
return err
}
v.Highlight = true
if err := g.SetCurrentView("ActionListView"); err != nil {
return err
}
}
if v, err := g.SetView("LogViewTitle", int(0.7*float32(maxX)), -1, maxX, 2); err != nil {
if err != gocui.ErrorUnkView {
return err
}
fmt.Fprintf(v, " Log View")
v.FgColor = gocui.ColorGreen
}
if v, err := g.SetView("LogView", int(0.7*float32(maxX)), 2, maxX, maxY-5); err != nil {
if err != gocui.ErrorUnkView {
return err
}
v.Highlight = true
}
if v, err := g.SetView("HelpView", 0, maxY-5, maxX, maxY-1); err != nil {
if err != gocui.ErrorUnkView {
return err
}
v.Frame = false
v.FgColor = gocui.ColorGreen
if err := c.printGeneralHelp(g); err != nil {
return err
}
}
return nil
}
//ActionError displays a window to give a description of the error occurred on a specific action
func (c *CUI) ActionError(g *gocui.Gui, v *gocui.View) error {
if c.selectedCommand < 0 {
panic(errors.New("Invalid command selection value"))
}
//send an error on
maxX, maxY := g.Size()
if v, err := g.SetView("ErrorMessageTittleView", maxX/2-30, maxY/4-2, maxX/2+30, maxY/4); err != nil {
if err != gocui.ErrorUnkView {
return err
}
fmt.Fprintln(v, " Write a description for the error (<Enter> when done)")
v.FgColor = gocui.ColorRed
if err := g.SetCurrentView("ActionView"); err != nil {
return err
}
}
if v, err := g.SetView("ErrorMessageView", maxX/2-30, maxY/4, maxX/2+30, 3*maxY/4); err != nil {
if err != gocui.ErrorUnkView {
return err
}
if err := g.SetCurrentView("ActionView"); err != nil {
return err
}
v.Editable = true
}
if err := g.SetCurrentView("ErrorMessageView"); err != nil {
return err
}
return nil
}