258 lines
7.6 KiB
Go
258 lines
7.6 KiB
Go
package main
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import (
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"errors"
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"fmt"
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"strings"
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"time"
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todotxt "git.bullercodeworks.com/brian/go-todotxt"
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termboxScreen "git.bullercodeworks.com/brian/termbox-screen"
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termboxUtil "git.bullercodeworks.com/brian/termbox-util"
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termbox "github.com/nsf/termbox-go"
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)
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const (
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FieldTaskTodo = iota
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FieldTaskPriority
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FieldTaskProjects
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FieldTaskContexts
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FieldTaskTags
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FieldTaskError
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TaskBundleTaskIdKey = "taskscreen.taskid"
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)
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type TaskScreen struct {
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message *Message
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cursor int
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currentTaskId int
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displayTask *todotxt.Task
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fieldLabels map[int]string
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editing bool
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inputField *termboxUtil.InputField
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}
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func (screen *TaskScreen) GetFieldValue(fld int) string {
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switch fld {
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case FieldTaskTodo:
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return screen.displayTask.Todo
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case FieldTaskPriority:
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return screen.displayTask.Priority
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case FieldTaskProjects:
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return strings.Join(screen.displayTask.Projects, ",")
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case FieldTaskContexts:
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return strings.Join(screen.displayTask.Contexts, ",")
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case FieldTaskTags:
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var ret []string
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for k, v := range screen.displayTask.AdditionalTags {
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ret = append(ret, k+":"+v)
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}
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return strings.Join(ret, ",")
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}
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return ""
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}
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func (screen *TaskScreen) Id() int { return ScreenIdTask }
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func (screen *TaskScreen) Initialize(bundle termboxScreen.Bundle) error {
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screen.fieldLabels = make(map[int]string)
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screen.fieldLabels[FieldTaskTodo] = "Todo"
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screen.fieldLabels[FieldTaskPriority] = "Priority"
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screen.fieldLabels[FieldTaskProjects] = "Projects"
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screen.fieldLabels[FieldTaskContexts] = "Contexts"
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screen.fieldLabels[FieldTaskTags] = "Tags"
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var err error
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width, height := termbox.Size()
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screen.inputField = termboxUtil.CreateInputField(2, (height - 3), width, 1, DefaultFg, DefaultBg)
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screen.message = NewMessage("", DefaultFg, DefaultBg, time.Second*2)
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if bundle != nil {
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screen.currentTaskId = bundle.GetInt(TaskBundleTaskIdKey, -1)
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}
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if screen.currentTaskId == -1 {
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return errors.New("Task Screen Initialization Failed")
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}
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if screen.displayTask, err = app.TaskList.GetTask(screen.currentTaskId); err != nil {
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return err
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}
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screen.cursor = FieldTaskTodo
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return nil
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}
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func (screen *TaskScreen) ResizeScreen() { screen.Initialize(nil) }
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func (screen *TaskScreen) HandleKeyEvent(event termbox.Event) int {
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if screen.editing {
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return screen.handleEditingKeyEvent(event)
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}
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if event.Key == termbox.KeyEnter {
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screen.editing = true
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//screen.inputField.SetTitle(screen.fieldLabels[screen.cursor] + ": ")
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screen.inputField.SetValue(screen.GetFieldValue(screen.cursor))
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//screen.inputField.SetActive(true)
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return screen.Id()
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} else if event.Key == termbox.KeyBackspace || event.Key == termbox.KeyBackspace2 || event.Ch == 'h' || event.Key == termbox.KeyArrowLeft {
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bundle := termboxScreen.Bundle{}
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bundle.SetValue(MainBundleListKey, MainBundleListCurrent)
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app.uiManager.InitializeScreen(ScreenIdMain, bundle)
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return ScreenIdMain
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} else if event.Ch == 'j' || event.Key == termbox.KeyArrowDown {
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screen.moveCursorDown()
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} else if event.Ch == 'k' || event.Key == termbox.KeyArrowUp {
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screen.moveCursorUp()
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}
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return screen.Id()
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}
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func (screen *TaskScreen) HandleNoneEvent(event termbox.Event) int { return screen.Id() }
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func (screen *TaskScreen) DrawScreen() {
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screen.drawHeader()
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yPos := 1
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if screen.cursor == FieldTaskTodo {
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termboxUtil.DrawStringAtPoint(screen.displayTask.Todo, 0, yPos, CursorBg, CursorFg)
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} else {
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termboxUtil.DrawStringAtPoint(screen.displayTask.Todo, 0, yPos, DefaultFg, DefaultBg)
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}
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yPos++
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if screen.cursor == FieldTaskPriority {
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termboxUtil.DrawStringAtPoint(fmt.Sprintf("Priority: %s", screen.displayTask.Priority), 0, yPos, CursorBg, CursorFg)
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} else {
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termboxUtil.DrawStringAtPoint(fmt.Sprintf("Priority: %s", screen.displayTask.Priority), 0, yPos, DefaultFg, DefaultBg)
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}
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yPos++
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if screen.cursor == FieldTaskProjects {
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termboxUtil.DrawStringAtPoint(fmt.Sprintf("Projects: %s", screen.displayTask.Projects), 0, yPos, CursorBg, CursorFg)
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} else {
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termboxUtil.DrawStringAtPoint(fmt.Sprintf("Projects: %s", screen.displayTask.Projects), 0, yPos, DefaultFg, DefaultBg)
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}
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yPos++
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if screen.cursor == FieldTaskContexts {
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termboxUtil.DrawStringAtPoint(fmt.Sprintf("Contexts: %s", screen.displayTask.Contexts), 0, yPos, CursorBg, CursorFg)
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} else {
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termboxUtil.DrawStringAtPoint(fmt.Sprintf("Contexts: %s", screen.displayTask.Contexts), 0, yPos, DefaultFg, DefaultBg)
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}
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yPos++
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if screen.cursor == FieldTaskTags {
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termboxUtil.DrawStringAtPoint("Additional Tags: ", 0, yPos, CursorBg, CursorFg)
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} else {
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termboxUtil.DrawStringAtPoint("Additional Tags: ", 0, yPos, DefaultFg, DefaultBg)
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}
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yPos++
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for k, v := range screen.displayTask.AdditionalTags {
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termboxUtil.DrawStringAtPoint(fmt.Sprintf("%s: %s", k, v), 0, yPos, DefaultFg, DefaultBg)
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yPos++
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}
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if screen.editing {
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w, h := termbox.Size()
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termboxUtil.DrawBorder(0, h-4, w-1, h-2, CursorBg, CursorFg)
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termboxUtil.FillWithChar(' ', 1, h-3, w-2, h-3, DefaultFg, DefaultBg)
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screen.inputField.Draw()
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}
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screen.drawFooter()
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}
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func (screen *TaskScreen) handleEditingKeyEvent(event termbox.Event) int {
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if event.Key == termbox.KeyEnter {
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var needsSave bool
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// Save the change
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switch screen.cursor {
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case FieldTaskTodo:
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//screen.displayTask.Todo = screen.inputField.GetValue()
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if screen.inputField.GetValue() != screen.displayTask.Todo {
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screen.displayTask.Todo = screen.inputField.GetValue()
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needsSave = true
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}
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case FieldTaskPriority:
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val := screen.inputField.GetValue()
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if len(val) > 0 {
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val = string(val[0])
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}
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if val != screen.displayTask.Priority {
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screen.displayTask.Priority = val
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needsSave = true
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}
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case FieldTaskProjects:
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projects := splitFields(screen.inputField.GetValue())
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if !isCombination(projects, screen.displayTask.Projects) {
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needsSave = true
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screen.displayTask.Projects = []string{}
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for _, v := range projects {
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screen.displayTask.Projects = append(screen.displayTask.Projects, v)
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}
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}
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case FieldTaskContexts:
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contexts := splitFields(screen.inputField.GetValue())
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if !isCombination(contexts, screen.displayTask.Contexts) {
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needsSave = true
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screen.displayTask.Contexts = []string{}
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for _, v := range contexts {
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screen.displayTask.Contexts = append(screen.displayTask.Contexts, v)
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}
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}
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case FieldTaskTags:
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tagsSlice := splitFields(screen.inputField.GetValue())
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if !sliceIsValidTags(tagsSlice) {
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screen.message.Set("Tags should be in format <key>:<val>")
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return screen.Id()
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}
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if !isCombination(tagsSlice, tagsToSlice(screen.displayTask.AdditionalTags)) {
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needsSave = true
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screen.displayTask.AdditionalTags = make(map[string]string)
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for k, v := range sliceToTags(tagsSlice) {
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screen.displayTask.AdditionalTags[k] = v
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}
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}
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}
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if needsSave {
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if err := app.saveTask(screen.displayTask); err != nil {
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screen.message.SetError(err.Error())
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}
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}
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screen.editing = false
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//screen.inputField.SetActive(false)
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} else {
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if screen.inputField.HandleEvent(event) {
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}
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}
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return screen.Id()
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}
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func (screen *TaskScreen) drawHeader() {
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width, _ := termbox.Size()
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headerString := screen.displayTask.Todo
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spaces := strings.Repeat(" ", ((width-len(headerString))/2)+1)
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termboxUtil.DrawStringAtPoint(fmt.Sprintf("%s%s%s", spaces, headerString, spaces), 0, 0, TitleFg, TitleBg)
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}
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func (screen *TaskScreen) drawFooter() {
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_, height := termbox.Size()
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screen.message.DrawAt(0, height-1)
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}
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func (screen *TaskScreen) moveCursorDown() bool {
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screen.cursor = (screen.cursor + 1) % FieldTaskError
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return true
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}
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func (screen *TaskScreen) moveCursorUp() bool {
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if screen.cursor > 0 {
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screen.cursor--
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} else {
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screen.cursor = FieldTaskError - 1
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}
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return true
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}
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func (screen *TaskScreen) editCurrentField() {
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}
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