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package gui
import (
"github.com/isacikgoz/gitbatch/pkg/git"
"github.com/isacikgoz/gitbatch/pkg/helpers"
"github.com/jroimartin/gocui"
)
// refreshes the side views of the application for given git.RepoEntity struct
func (gui *Gui) refreshViews(g *gocui.Gui, entity *git.RepoEntity) error {
var err error
if err = gui.updateRemotes(g, entity); err != nil {
return err
}
if err = gui.updateBranch(g, entity); err != nil {
return err
}
if err = gui.updateRemoteBranches(g, entity); err != nil {
return err
}
if err = gui.updateCommits(g, entity); err != nil {
return err
}
return err
}
// siwtch the app mode
// TODO: switching can be made with conventional iteration
func (gui *Gui) switchMode(g *gocui.Gui, v *gocui.View) error {
switch mode := gui.State.Mode.ModeID; mode {
case FetchMode:
gui.State.Mode = pullMode
case PullMode:
gui.State.Mode = mergeMode
case MergeMode:
gui.State.Mode = fetchMode
default:
gui.State.Mode = fetchMode
}
gui.updateKeyBindingsView(g, mainViewFeature.Name)
return nil
}
// bring the view on the top by its name
func (gui *Gui) setCurrentViewOnTop(g *gocui.Gui, name string) (*gocui.View, error) {
if _, err := g.SetCurrentView(name); err != nil {
return nil, err
}
return g.SetViewOnTop(name)
}
// if the cursor down past the last item, move it to the last line
func (gui *Gui) correctCursor(v *gocui.View) error {
cx, cy := v.Cursor()
ox, oy := v.Origin()
width, height := v.Size()
maxY := height - 1
ly := width - 1
if oy+cy <= ly {
return nil
}
newCy := helpers.Min(ly, maxY)
if err := v.SetCursor(cx, newCy); err != nil {
return err
}
if err := v.SetOrigin(ox, ly-newCy); err != nil {
return err
}
return nil
}
// this function handles the iteration of a side view and set its origin point
// so that the selected line can be in the middle of the view
func (gui *Gui) smartAnchorRelativeToLine(v *gocui.View, currentindex, totallines int) error {
_, y := v.Size()
if currentindex >= int(0.5*float32(y)) && totallines-currentindex+int(0.5*float32(y)) >= y {
if err := v.SetOrigin(0, currentindex-int(0.5*float32(y))); err != nil {
return err
}
} else if totallines-currentindex < y && totallines > y {
if err := v.SetOrigin(0, totallines-y); err != nil {
return err
}
} else if totallines-currentindex <= int(0.5*float32(y)) && totallines > y-1 && currentindex > y {
if err := v.SetOrigin(0, currentindex-int(0.5*float32(y))); err != nil {
return err
}
} else {
if err := v.SetOrigin(0, 0); err != nil {
return err
}
}
return nil
}
// this function writes the given text to rgiht hand side of the view
// cx and cy values are important to get the cursor to its old position
func writeRightHandSide(v *gocui.View, text string, cx, cy int) error {
runes := []rune(text)
tl := len(runes)
lx, _ := v.Size()
v.MoveCursor(lx-tl, cy-1, true)
for i := tl - 1; i >= 0; i-- {
v.EditDelete(true)
v.EditWrite(runes[i])
}
v.SetCursor(cx, cy)
return nil
}
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