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Fix error when label list is empty

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This commit is contained in:
Luke Adams 2018-10-16 14:13:04 -06:00
parent 788cdb0633
commit 3eedb6f65a
1 changed files with 22 additions and 1 deletions
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23
termui/label_select.go
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@ -42,7 +42,12 @@ func (ls *labelSelect) SetBug(cache *cache.RepoCache, bug *cache.BugCache) {
}
ls.labelSelect = labelSelect
ls.selected = 0
if len(labelSelect) > 0 {
ls.selected = 0
} else {
ls.selected = -1
}
ls.scroll = 0
}
@ -166,6 +171,10 @@ func (ls *labelSelect) disable(g *gocui.Gui) error {
}
func (ls *labelSelect) focusView(g *gocui.Gui) error {
if ls.selected < 0 {
return nil
}
_, lsy0, _, lsy1, err := g.ViewPosition(labelSelectView)
if err != nil {
return err
@ -191,16 +200,28 @@ func (ls *labelSelect) focusView(g *gocui.Gui) error {
}
func (ls *labelSelect) selectPrevious(g *gocui.Gui, v *gocui.View) error {
if ls.selected < 0 {
return nil
}
ls.selected = maxInt(0, ls.selected-1)
return ls.focusView(g)
}
func (ls *labelSelect) selectNext(g *gocui.Gui, v *gocui.View) error {
if ls.selected < 0 {
return nil
}
ls.selected = minInt(len(ls.labels)-1, ls.selected+1)
return ls.focusView(g)
}
func(ls *labelSelect) selectItem(g *gocui.Gui, v *gocui.View) error {
if ls.selected < 0 {
return nil
}
ls.labelSelect[ls.selected] = !ls.labelSelect[ls.selected]
return nil
}