A admin.go

@@ -0,0 +1,177 @@
+//
+// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
+//
+// Permission to use, copy, modify, and distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+package main
+
+import (
+	"html/template"
+	"io/ioutil"
+	"log"
+
+	"github.com/gdamore/tcell"
+	"github.com/rivo/tview"
+)
+
+func adminscreen() {
+	log.SetOutput(ioutil.Discard)
+
+	app := tview.NewApplication()
+	var maindriver func(event *tcell.EventKey) *tcell.EventKey
+
+	table := tview.NewTable().SetFixed(1, 0).SetSelectable(true, false).
+		SetSelectedStyle(tcell.ColorBlack, tcell.ColorGreen, 0)
+
+	mainframe := tview.NewFrame(table)
+	mainframe.AddText(tview.Escape("honk admin - [q] quit"),
+		true, 0, tcell.ColorGreen)
+	mainframe.SetBorders(1, 0, 1, 0, 4, 0)
+
+	dupecell := func(base *tview.TableCell) *tview.TableCell {
+		rv := new(tview.TableCell)
+		*rv = *base
+		return rv
+	}
+
+	showtable := func() {
+		table.Clear()
+
+		row := 0
+		{
+			col := 0
+			headcell := tview.TableCell{
+				Color: tcell.ColorWhite,
+			}
+			cell := dupecell(&headcell)
+			cell.Text = "Message"
+			table.SetCell(row, col, cell)
+			col++
+			cell = dupecell(&headcell)
+			cell.Text = ""
+			table.SetCell(row, col, cell)
+
+			row++
+		}
+		{
+			col := 0
+			headcell := tview.TableCell{
+				Color: tcell.ColorWhite,
+			}
+			cell := dupecell(&headcell)
+			cell.Text = "Server"
+			table.SetCell(row, col, cell)
+			col++
+			cell = dupecell(&headcell)
+			cell.Text = tview.Escape(string(serverMsg))
+			table.SetCell(row, col, cell)
+
+			row++
+		}
+		{
+			col := 0
+			headcell := tview.TableCell{
+				Color: tcell.ColorWhite,
+			}
+			cell := dupecell(&headcell)
+			cell.Text = "About"
+			table.SetCell(row, col, cell)
+			col++
+			cell = dupecell(&headcell)
+			cell.Text = tview.Escape(string(aboutMsg))
+			table.SetCell(row, col, cell)
+
+			row++
+		}
+		{
+			col := 0
+			headcell := tview.TableCell{
+				Color: tcell.ColorWhite,
+			}
+			cell := dupecell(&headcell)
+			cell.Text = "Login"
+			table.SetCell(row, col, cell)
+			col++
+			cell = dupecell(&headcell)
+			cell.Text = tview.Escape(string(loginMsg))
+			table.SetCell(row, col, cell)
+
+			row++
+		}
+
+		app.SetInputCapture(maindriver)
+		app.SetRoot(mainframe, true)
+	}
+
+	arrowadapter := func(event *tcell.EventKey) *tcell.EventKey {
+		switch event.Key() {
+		case tcell.KeyDown:
+			return tcell.NewEventKey(tcell.KeyTab, '\t', tcell.ModNone)
+		case tcell.KeyUp:
+			return tcell.NewEventKey(tcell.KeyBacktab, '\t', tcell.ModNone)
+		}
+		return event
+	}
+
+	editform := tview.NewForm()
+	namebox := tview.NewInputField().SetLabel("name").SetFieldWidth(20)
+	descbox := tview.NewInputField().SetLabel("description").SetFieldWidth(60)
+	orderbox := tview.NewInputField().SetLabel("order").SetFieldWidth(10)
+	editform.AddButton("save", nil)
+	editform.AddButton("cancel", nil)
+	savebutton := editform.GetButton(0)
+	editform.SetFieldTextColor(tcell.ColorBlack)
+	editform.SetFieldBackgroundColor(tcell.ColorGreen)
+	editform.SetLabelColor(tcell.ColorWhite)
+	editform.SetButtonTextColor(tcell.ColorGreen)
+	editform.SetButtonBackgroundColor(tcell.ColorBlack)
+	editform.GetButton(1).SetSelectedFunc(showtable)
+	editform.SetCancelFunc(showtable)
+
+	hadchanges := false
+
+	showform := func() {
+		editform.Clear(false)
+		editform.AddFormItem(namebox)
+		editform.AddFormItem(descbox)
+		editform.AddFormItem(orderbox)
+		app.SetInputCapture(arrowadapter)
+		app.SetRoot(editform, true)
+	}
+
+	editrepo := func(which string) {
+		namebox.SetText(which)
+		descbox.SetText("message")
+		savebutton.SetSelectedFunc(func() {
+			serverMsg = template.HTML(descbox.GetText())
+			hadchanges = true
+			showtable()
+		})
+		showform()
+	}
+
+	maindriver = func(event *tcell.EventKey) *tcell.EventKey {
+		switch event.Rune() {
+		case 'd':
+		case 'e':
+			editrepo("servermsg")
+		case 'q':
+			app.Stop()
+			return nil
+		}
+		return event
+	}
+
+	showtable()
+	app.Run()
+}