v1

screen_task.go

@@ -0,0 +1,122 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+	"time"
+
+	todotxt "github.com/JamesClonk/go-todotxt"
+	"github.com/br0xen/termbox-util"
+	termbox "github.com/nsf/termbox-go"
+)
+
+// TaskScreen holds all that's going on
+type TaskScreen struct {
+	viewPort       *ViewPort
+	message        string
+	messageTimeout time.Duration
+	messageTime    time.Time
+
+	inputModal   *termboxUtil.InputModal
+	confirmModal *termboxUtil.ConfirmModal
+
+	currentTaskId int
+	displayTask   *todotxt.Task
+}
+
+const (
+	TaskBundleTaskIdKey = "taskscreen.taskid"
+)
+
+func (screen *TaskScreen) initialize(bundle Bundle) error {
+	var err error
+	screen.currentTaskId = bundle.getInt(TaskBundleTaskIdKey, -1)
+	if screen.currentTaskId == -1 {
+		return errors.New("Task Screen Initialization Failed")
+	}
+	if screen.displayTask, err = app.TaskList.GetTask(screen.currentTaskId); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (screen *TaskScreen) handleKeyEvent(event termbox.Event) int {
+	if event.Key == termbox.KeyBackspace || event.Key == termbox.KeyBackspace2 || event.Ch == 'h' || event.Key == termbox.KeyArrowLeft {
+		return ScreenMain
+
+	} else if event.Ch == 'j' || event.Key == termbox.KeyArrowDown {
+		screen.moveCursorDown()
+
+	} else if event.Ch == 'k' || event.Key == termbox.KeyArrowUp {
+		screen.moveCursorUp()
+	}
+	return ScreenTask
+}
+
+func (screen *TaskScreen) drawScreen() {
+	screen.drawHeader()
+
+	yPos := 1
+	termboxUtil.DrawStringAtPoint(screen.displayTask.Todo, 0, yPos, DefaultFg, DefaultBg)
+	yPos++
+	termboxUtil.DrawStringAtPoint(fmt.Sprintf("Priority: %s", screen.displayTask.Priority), 0, yPos, DefaultFg, DefaultBg)
+	yPos++
+	termboxUtil.DrawStringAtPoint(fmt.Sprintf("Projects: %s", screen.displayTask.Projects), 0, yPos, DefaultFg, DefaultBg)
+	yPos++
+	termboxUtil.DrawStringAtPoint(fmt.Sprintf("Contexts: %s", screen.displayTask.Contexts), 0, yPos, DefaultFg, DefaultBg)
+	yPos++
+	termboxUtil.DrawStringAtPoint("Additional Tags:", 0, yPos, DefaultFg, DefaultBg)
+	yPos++
+	for k, v := range screen.displayTask.AdditionalTags {
+		termboxUtil.DrawStringAtPoint(fmt.Sprintf("%s: %s", k, v), 0, yPos, DefaultFg, DefaultBg)
+		yPos++
+	}
+
+	screen.drawFooter()
+}
+
+func (screen *TaskScreen) drawHeader() {
+	width, _ := termbox.Size()
+	headerString := screen.displayTask.Todo
+	spaces := strings.Repeat(" ", ((width-len(headerString))/2)+1)
+	termboxUtil.DrawStringAtPoint(fmt.Sprintf("%s%s%s", spaces, headerString, spaces), 0, 0, TitleFg, TitleBg)
+}
+
+func (screen *TaskScreen) drawFooter() {
+	if screen.messageTimeout > 0 && time.Since(screen.messageTime) > screen.messageTimeout {
+		screen.clearMessage()
+	}
+	_, height := termbox.Size()
+	termboxUtil.DrawStringAtPoint(screen.message, 0, height-1, DefaultFg, DefaultBg)
+}
+
+func (screen *TaskScreen) moveCursorDown() bool {
+	screen.viewPort.cursor++
+	return true
+}
+
+func (screen *TaskScreen) moveCursorUp() bool {
+	screen.viewPort.cursor--
+	return true
+}
+
+func (screen *TaskScreen) setMessage(msg string) {
+	screen.message = msg
+	screen.messageTime = time.Now()
+	screen.messageTimeout = time.Second * 2
+}
+
+/* setMessageWithTimeout lets you specify the timeout for the message
+ * setting it to -1 means it won't timeout
+ */
+func (screen *TaskScreen) setMessageWithTimeout(msg string, timeout time.Duration) {
+	screen.message = msg
+	screen.messageTime = time.Now()
+	screen.messageTimeout = timeout
+}
+
+func (screen *TaskScreen) clearMessage() {
+	screen.message = ""
+	screen.messageTimeout = -1
+}