quick col sort alt-arrow

cointop/keybindings.go

@@ -20,6 +20,19 @@ func (ct *Cointop) setKeybinding(key interface{}, callback func(g *gocui.Gui, v
 	}
 }
 
+func (ct *Cointop) setKeybindingMod(key interface{}, mod gocui.Modifier, callback func(g *gocui.Gui, v *gocui.View) error) {
+	var err error
+	switch t := key.(type) {
+	case gocui.Key:
+		err = ct.g.SetKeybinding("", t, mod, callback)
+	case rune:
+		err = ct.g.SetKeybinding("", t, mod, callback)
+	}
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
 func (ct *Cointop) keybindings(g *gocui.Gui) error {
 	ct.setKeybinding(gocui.KeyArrowUp, ct.cursorUp)
 	ct.setKeybinding(gocui.KeyArrowDown, ct.cursorDown)
@@ -38,6 +51,8 @@ func (ct *Cointop) keybindings(g *gocui.Gui) error {
 	ct.setKeybinding(gocui.KeyCtrlP, ct.prevPage)
 	ct.setKeybinding(gocui.KeyCtrlR, ct.refresh)
 	ct.setKeybinding(gocui.KeyCtrlU, ct.pageUp)
+	ct.setKeybindingMod(gocui.KeyArrowLeft, gocui.ModAlt, ct.sortPrevCol)
+	ct.setKeybindingMod(gocui.KeyArrowRight, gocui.ModAlt, ct.sortNextCol)
 	ct.setKeybinding('0', ct.firstPage)
 	ct.setKeybinding('1', ct.sortfn("1hchange", true))
 	ct.setKeybinding('2', ct.sortfn("24hchange", true))

cointop/navigation.go

@@ -4,6 +4,18 @@ import (
 	"github.com/jroimartin/gocui"
 )
 
+func (ct *Cointop) getCurrentPage() int {
+	return ct.page + 1
+}
+
+func (ct *Cointop) getTotalPages() int {
+	return (ct.getListCount() / ct.perpage) + 1
+}
+
+func (ct *Cointop) getListCount() int {
+	return len(ct.allcoins)
+}
+
 func (ct *Cointop) cursorDown(g *gocui.Gui, v *gocui.View) error {
 	if ct.tableview == nil {
 		return nil
@@ -195,15 +207,3 @@ func (ct *Cointop) lastPage(g *gocui.Gui, v *gocui.View) error {
 	ct.rowChanged()
 	return nil
 }
-
-func (ct *Cointop) getCurrentPage() int {
-	return ct.page + 1
-}
-
-func (ct *Cointop) getTotalPages() int {
-	return (ct.getListCount() / ct.perpage) + 1
-}
-
-func (ct *Cointop) getListCount() int {
-	return len(ct.allcoins)
-}

cointop/sort.go

@@ -6,6 +6,20 @@ import (
 	apt "github.com/miguelmota/cointop/pkg/api/types"
 )
 
+var colorder = []string{
+	"rank",
+	"name",
+	"symbol",
+	"price",
+	"marketcap",
+	"24hvolume",
+	"1hchange",
+	"7dchange",
+	"totalsupply",
+	"availablesupply",
+	"lastupdated",
+}
+
 func (ct *Cointop) sort(sortby string, desc bool, list []*apt.Coin) {
 	ct.sortby = sortby
 	ct.sortdesc = desc
@@ -63,3 +77,47 @@ func (ct *Cointop) sortfn(sortby string, desc bool) func(g *gocui.Gui, v *gocui.
 		return nil
 	}
 }
+
+func (ct *Cointop) getSortColIndex() int {
+	for i, col := range colorder {
+		if ct.sortby == col {
+			return i
+		}
+	}
+	return 0
+}
+
+func (ct *Cointop) sortPrevCol(g *gocui.Gui, v *gocui.View) error {
+	nextsortby := colorder[0]
+	i := ct.getSortColIndex()
+	k := i - 1
+	if k < 0 {
+		k = 0
+	}
+	nextsortby = colorder[k]
+	ct.sort(nextsortby, ct.sortdesc, ct.coins)
+	ct.Update(func() {
+		ct.tableview.Clear()
+		ct.updateTable()
+	})
+	ct.rowChanged()
+	return nil
+}
+
+func (ct *Cointop) sortNextCol(g *gocui.Gui, v *gocui.View) error {
+	nextsortby := colorder[0]
+	l := len(colorder)
+	i := ct.getSortColIndex()
+	k := i + 1
+	if k > l-1 {
+		k = l - 1
+	}
+	nextsortby = colorder[k]
+	ct.sort(nextsortby, ct.sortdesc, ct.coins)
+	ct.Update(func() {
+		ct.tableview.Clear()
+		ct.updateTable()
+	})
+	ct.rowChanged()
+	return nil
+}

cointop/statusbar.go

@@ -12,7 +12,7 @@ func (ct *Cointop) updateStatusbar(s string) {
 		ct.statusbarview.Clear()
 		currpage := ct.getCurrentPage()
 		totalpages := ct.getTotalPages()
-		fmt.Fprintln(ct.statusbarview, pad.Right(fmt.Sprintf("[q]uit [← →]page %v/%v %s", currpage, totalpages, s), maxX, " "))
+		fmt.Fprintln(ct.statusbarview, pad.Right(fmt.Sprintf("[q]uit [h]elp [← →]page %v/%v %s", currpage, totalpages, s), maxX, " "))
 	})
 }