From 84849a0c9f680df84a247062bd8419191c4ee7ab Mon Sep 17 00:00:00 2001
From: Bradley Cicenas <bradley@vektor.nyc>
Date: Sun, 19 Feb 2017 03:54:24 +0000
Subject: [PATCH] add SetCursor method to menu

---
 menus.go             |  2 +-
 widgets/menu/main.go | 28 ++++++++++++++++++++--------
 2 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/menus.go b/menus.go
index 20ab59c..d24c4a0 100644
--- a/menus.go
+++ b/menus.go
@@ -64,7 +64,7 @@ func SortMenu() {
 	}
 
 	// set cursor position to current sort field
-	//current := config.GetVal("sortField")
+	m.SetCursor(config.GetVal("sortField"))
 	//for n, item := range m.Items {
 	//if item.Val == current {
 	//m.CursorPos = n
diff --git a/widgets/menu/main.go b/widgets/menu/main.go
index 4275293..0415c52 100644
--- a/widgets/menu/main.go
+++ b/widgets/menu/main.go
@@ -14,7 +14,7 @@ type Menu struct {
 	TextFgColor ui.Attribute
 	TextBgColor ui.Attribute
 	Selectable  bool
-	CursorPos   int
+	cursorPos   int
 	items       Items
 	padding     Padding
 }
@@ -24,11 +24,12 @@ func NewMenu() *Menu {
 		Block:       *ui.NewBlock(),
 		TextFgColor: ui.ThemeAttr("par.text.fg"),
 		TextBgColor: ui.ThemeAttr("par.text.bg"),
-		CursorPos:   0,
+		cursorPos:   0,
 		padding:     Padding{4, 2},
 	}
 }
 
+// Append Item to Menu
 func (m *Menu) AddItems(items ...Item) {
 	for _, i := range items {
 		m.items = append(m.items, i)
@@ -49,6 +50,17 @@ func (m *Menu) DelItem(s string) (success bool) {
 	return success
 }
 
+// Move cursor to an position by Item value or label
+func (m *Menu) SetCursor(s string) (success bool) {
+	for n, i := range m.items {
+		if i.Val == s || i.Label == s {
+			m.cursorPos = n
+			return true
+		}
+	}
+	return false
+}
+
 // Sort menu items(if enabled) and re-calculate window size
 func (m *Menu) refresh() {
 	if m.SortItems {
@@ -59,7 +71,7 @@ func (m *Menu) refresh() {
 }
 
 func (m *Menu) SelectedItem() Item {
-	return m.items[m.CursorPos]
+	return m.items[m.cursorPos]
 }
 
 func (m *Menu) Buffer() ui.Buffer {
@@ -70,7 +82,7 @@ func (m *Menu) Buffer() ui.Buffer {
 		x := m.padding[0]
 		for _, ch := range item.Text() {
 			// invert bg/fg colors on currently selected row
-			if m.Selectable && n == m.CursorPos {
+			if m.Selectable && n == m.cursorPos {
 				cell = ui.Cell{Ch: ch, Fg: m.TextBgColor, Bg: m.TextFgColor}
 			} else {
 				cell = ui.Cell{Ch: ch, Fg: m.TextFgColor, Bg: m.TextBgColor}
@@ -84,15 +96,15 @@ func (m *Menu) Buffer() ui.Buffer {
 }
 
 func (m *Menu) Up(ui.Event) {
-	if m.CursorPos > 0 {
-		m.CursorPos--
+	if m.cursorPos > 0 {
+		m.cursorPos--
 		ui.Render(m)
 	}
 }
 
 func (m *Menu) Down(ui.Event) {
-	if m.CursorPos < (len(m.items) - 1) {
-		m.CursorPos++
+	if m.cursorPos < (len(m.items) - 1) {
+		m.cursorPos++
 		ui.Render(m)
 	}
 }