/
dynamicview.go
182 lines (166 loc) · 4.04 KB
/
dynamicview.go
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package gui
import (
"fmt"
"strings"
"github.com/jroimartin/gocui"
)
// DynamicViewMode is a indicator of dynamic view mode and it is also used as
// the views title
type DynamicViewMode string
const (
// CommitStatMode when dynamic mode morphed into commit stat mode
CommitStatMode DynamicViewMode = " Commit Stats "
// CommitDiffMode when dynamic mode morphed into commit diff mode
CommitDiffMode DynamicViewMode = " Diffs "
// StashStatMode when dynamic mode morphed into stash status mode
StashStatMode DynamicViewMode = " Stash Stats "
// StashDiffMode when dynamic mode morphed into stash diff mode
StashDiffMode DynamicViewMode = " Stash Diffs "
// StatusMode when dynamic mode morphed into repository status mode
StatusMode DynamicViewMode = " Repository Status "
// FileDiffMode when dynamic mode morphed into file diff mode
FileDiffMode DynamicViewMode = " File Diffs "
)
// shows the stats of current commit
func (gui *Gui) commitStat(g *gocui.Gui, v *gocui.View) error {
vc, err := gui.g.View(commitViewFeature.Name)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
}
_, oy := vc.Origin()
_, cy := vc.Cursor()
return gui.commitStats(oy + cy)
}
// render the commit stats of the give index
func (gui *Gui) commitStats(ix int) error {
v, err := gui.g.View(dynamicViewFeature.Name)
if err != nil {
return err
}
v.SetOrigin(0, 0)
v.SetCursor(0, 0)
r := gui.getSelectedRepository()
v.Clear()
if ix == 0 {
return gui.initFocusStat(r)
}
v.Title = string(CommitStatMode)
if err := gui.updateDynamicKeybindings(); err != nil {
return err
}
if len(r.State.Branch.Commits) <= 0 {
return nil
}
c := r.State.Branch.Commits[ix-1]
done := make(chan bool)
var stat string
go func() {
stat = c.DiffStat(done)
}()
ld := "loading stats..."
fmt.Fprintf(v, "%s\n", decorateCommit(c.String()))
fmt.Fprintf(v, "%s\n", red.Sprint(ld))
go func(gui *Gui) {
if <-done {
if !strings.Contains(strings.Join(v.BufferLines(), "\n"), c.Hash) {
return
}
v.Clear()
fmt.Fprintf(v, "%s\n", decorateCommit(c.String()))
gui.g.Update(func(g *gocui.Gui) error {
v, err := gui.g.View(dynamicViewFeature.Name)
if err != nil {
return err
}
fmt.Fprintf(v, decorateDiffStat(stat, true))
return nil
})
}
}(gui)
return nil
}
// show the diff of current commit
func (gui *Gui) commitDiff(g *gocui.Gui, v *gocui.View) error {
v, err := gui.g.View(dynamicViewFeature.Name)
if err != nil {
return err
}
vcm, err := gui.g.View(commitViewFeature.Name)
if err != nil {
return err
}
_, oy := vcm.Origin()
_, cy := vcm.Cursor()
ix := oy + cy
if ix == 0 {
return nil
}
v.Title = string(CommitDiffMode)
if err := gui.updateDynamicKeybindings(); err != nil {
return err
}
r := gui.getSelectedRepository()
v.Clear()
c := r.State.Branch.Commits[ix-1]
if ix+1 > len(r.State.Branch.Commits) {
ix = ix - 1
}
p, err := r.State.Branch.Commits[ix].C.Patch(c.C)
if err != nil {
return err
}
var s string
for _, d := range colorizeDiff(p.String()) {
s = s + "\n" + d
}
fmt.Fprintf(v, s)
return nil
}
// moves cursor down for a page size
func (gui *Gui) dpageDown(g *gocui.Gui, v *gocui.View) error {
if v != nil {
ox, oy := v.Origin()
cx, _ := v.Cursor()
_, vy := v.Size()
lr := len(v.BufferLines())
if lr < vy {
return nil
}
if oy+vy >= lr-vy {
if err := v.SetOrigin(ox, lr-vy); err != nil {
return err
}
} else if err := v.SetOrigin(ox, oy+vy); err != nil {
return err
}
if err := v.SetCursor(cx, 0); err != nil {
return err
}
}
return nil
}
// moves cursor up for a page size
func (gui *Gui) dpageUp(g *gocui.Gui, v *gocui.View) error {
if v != nil {
ox, oy := v.Origin()
cx, cy := v.Cursor()
_, vy := v.Size()
if oy == 0 || oy+cy < vy {
if err := v.SetOrigin(ox, 0); err != nil {
return err
}
} else if oy <= vy {
if err := v.SetOrigin(ox, oy+cy-vy); err != nil {
return err
}
} else if err := v.SetOrigin(ox, oy-vy); err != nil {
return err
}
if err := v.SetCursor(cx, 0); err != nil {
return err
}
}
return nil
}