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|
package termui
import (
"fmt"
"github.com/MichaelMure/git-bug/bug"
"github.com/MichaelMure/git-bug/cache"
"github.com/jroimartin/gocui"
)
type bugTable struct {
cache cache.RepoCacher
bugs []*bug.Snapshot
cursor int
}
func newBugTable(cache cache.RepoCacher) *bugTable {
return &bugTable{
cache: cache,
cursor: 0,
}
}
func (bt *bugTable) paginate(max int) error {
allIds, err := bt.cache.AllBugIds()
if err != nil {
return err
}
return bt.doPaginate(allIds, max)
}
func (bt *bugTable) nextPage(max int) error {
allIds, err := bt.cache.AllBugIds()
if err != nil {
return err
}
if bt.cursor+max > len(allIds) {
return nil
}
bt.cursor += max
return bt.doPaginate(allIds, max)
}
func (bt *bugTable) previousPage(max int) error {
allIds, err := bt.cache.AllBugIds()
if err != nil {
return err
}
bt.cursor = maxInt(0, bt.cursor-max)
return bt.doPaginate(allIds, max)
}
func (bt *bugTable) doPaginate(allIds []string, max int) error {
// clamp the cursor
bt.cursor = maxInt(bt.cursor, 0)
bt.cursor = minInt(bt.cursor, len(allIds)-1)
// slice the data
nb := minInt(len(allIds)-bt.cursor, max)
ids := allIds[bt.cursor:nb]
bt.bugs = make([]*bug.Snapshot, len(ids))
for i, id := range ids {
b, err := bt.cache.ResolveBug(id)
if err != nil {
return err
}
bt.bugs[i] = b.Snapshot()
}
return nil
}
func (bt *bugTable) layout(g *gocui.Gui) error {
maxX, maxY := g.Size()
v, err := g.SetView("header", -1, -1, maxX, 3)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
v.Frame = false
}
v.Clear()
ui.bugTable.renderHeader(v, maxX)
v, err = g.SetView("table", -1, 1, maxX, maxY-2)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
v.Frame = false
v.Highlight = true
v.SelBgColor = gocui.ColorWhite
v.SelFgColor = gocui.ColorBlack
_, err = g.SetCurrentView("table")
if err != nil {
return err
}
}
_, tableHeight := v.Size()
err = bt.paginate(tableHeight)
if err != nil {
return err
}
v.Clear()
ui.bugTable.render(v, maxX)
v, err = g.SetView("footer", -1, maxY-3, maxX, maxY)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
v.Frame = false
}
v.Clear()
ui.bugTable.renderFooter(v, maxX)
v, err = g.SetView("instructions", -1, maxY-2, maxX, maxY)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
v.Frame = false
v.BgColor = gocui.ColorBlue
fmt.Fprintf(v, "[q] Quit [h] Go back [j] Down [k] Up [l] Go forward [m] Load Additional [p] Play [enter] Play and Exit")
}
return nil
}
func (bt *bugTable) getTableLength() int {
return len(bt.bugs)
}
func (bt *bugTable) render(v *gocui.View, maxX int) {
for _, b := range bt.bugs {
fmt.Fprintln(v, b.Title)
}
}
func (bt *bugTable) renderHeader(v *gocui.View, maxX int) {
fmt.Fprintf(v, "header")
}
func (bt *bugTable) renderFooter(v *gocui.View, maxX int) {
fmt.Fprintf(v, "footer")
}
func maxInt(a, b int) int {
if a > b {
return a
}
return b
}
func minInt(a, b int) int {
if a > b {
return b
}
return a
}
|
