Task rename added. Closes #3

- Moved title of TaskDetail panel to separate component
- Refactored indentation, formatting
- Updated status bar

app/task_title.go

@@ -0,0 +1,88 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/gdamore/tcell"
+	"github.com/rivo/tview"
+
+	"github.com/ajaxray/geek-life/model"
+	"github.com/ajaxray/geek-life/repository"
+)
+
+// TaskDetailHeader displays Task title and relevant action in TaskDetail pane
+type TaskDetailHeader struct {
+	*tview.Flex
+	pages      *tview.Pages
+	taskName   *tview.TextView
+	taskRepo   repository.TaskRepository
+	task       *model.Task
+	renameText *tview.InputField
+}
+
+// NewTaskDetailHeader initializes and configures a TaskDetailHeader
+func NewTaskDetailHeader(taskRepo repository.TaskRepository) *TaskDetailHeader {
+	header := TaskDetailHeader{
+		Flex:       tview.NewFlex().SetDirection(tview.FlexRow),
+		pages:      tview.NewPages(),
+		taskName:   tview.NewTextView().SetDynamicColors(true),
+		taskRepo:   taskRepo,
+		renameText: makeLightTextInput("Task title"),
+	}
+
+	header.pages.AddPage("title", header.taskName, true, true)
+	header.pages.AddPage("rename", header.renameText, true, false)
+	header.bindRenameEvent()
+
+	buttons := tview.NewFlex().
+		AddItem(tview.NewTextView().SetTextColor(tcell.ColorDimGray).SetText("r = Rename"), 0, 1, false).
+		AddItem(blankCell, 0, 1, false).
+		AddItem(makeButton("rename", func() { header.ShowRename() }), 8, 0, false)
+
+	header.
+		AddItem(header.pages, 1, 1, true).
+		AddItem(blankCell, 1, 0, true).
+		AddItem(buttons, 1, 1, false).
+		AddItem(makeHorizontalLine(tcell.RuneS3, tcell.ColorGray), 1, 1, false)
+
+	return &header
+}
+
+func (header *TaskDetailHeader) bindRenameEvent() *tview.InputField {
+	return header.renameText.SetDoneFunc(func(key tcell.Key) {
+		switch key {
+		case tcell.KeyEnter:
+			name := header.renameText.GetText()
+			if len(name) < 3 {
+				statusBar.showForSeconds("[red::]Task title should be at least 3 character", 5)
+				return
+			}
+
+			if err := header.taskRepo.UpdateField(header.task, "Title", name); err != nil {
+				statusBar.showForSeconds("Could not update Task Title: "+err.Error(), 5)
+			} else {
+				header.task.Title = name
+				statusBar.showForSeconds("[yellow::]Task Title Updated.", 5)
+			}
+
+			header.pages.SwitchToPage("title")
+			taskPane.ReloadCurrentTask()
+		case tcell.KeyEsc:
+			header.pages.SwitchToPage("title")
+		}
+	})
+}
+
+// SetTask set a task to the header
+func (header *TaskDetailHeader) SetTask(task *model.Task) {
+	header.task = task
+	header.taskName.SetText(task.Title)
+	header.taskName.SetText(fmt.Sprintf("[%s::b]# %s", getTaskTitleColor(*task), task.Title))
+}
+
+// ShowRename activate edit option of task title
+func (header *TaskDetailHeader) ShowRename() {
+	header.renameText.SetText(header.task.Title)
+	header.pages.SwitchToPage("rename")
+	app.SetFocus(header.renameText)
+}