Add HelpModal

components/HelpModal.go

@@ -0,0 +1,77 @@
+package components
+
+import (
+	"github.com/gdamore/tcell/v2"
+	app "github.com/jorgerojas26/lazysql/app"
+	"github.com/jorgerojas26/lazysql/commands"
+	. "github.com/jorgerojas26/lazysql/keymap"
+	"github.com/rivo/tview"
+)
+
+type HelpModal struct {
+	*tview.Flex
+}
+
+func NewHelpModal() *HelpModal {
+
+	// Colors
+	BorderColor := tcell.ColorGreen
+	SelectedColor := tcell.ColorBlue
+
+	list := tview.NewList().SetSelectedBackgroundColor(SelectedColor)
+	list.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+
+		command := app.Keymaps.Group("tree").Resolve(event)
+
+		if command == commands.MoveUp {
+			current := list.GetCurrentItem()
+
+			if current-1 >= 0 {
+				list.SetCurrentItem(current - 1)
+			}
+		} else if command == commands.MoveDown {
+
+			current := list.GetCurrentItem()
+
+			if current+1 < list.GetItemCount() {
+				list.SetCurrentItem(current + 1)
+			}
+		}
+		return event
+	})
+
+	flex := tview.NewFlex().SetDirection(tview.FlexRow).
+		AddItem(list, 0, 5, true)
+
+	flex.SetBorder(true)
+	flex.SetTitleColor(BorderColor).SetTitle("Help")
+	flex.SetBorderColor(BorderColor)
+
+	//Magic Number gain from trial and error
+	screenWidth, screenHeight := 145, 30
+
+	modalWidth := 50
+	modalHeight := 20
+	x := (screenWidth - modalWidth) / 2
+	y := (screenHeight - modalHeight) / 2
+
+	flex.SetRect(x, y, modalWidth, modalHeight)
+
+	r := &HelpModal{flex}
+
+	r.drawgroup(list, "Global", app.Keymaps.Global)
+	for k, v := range app.Keymaps.Groups {
+		r.drawgroup(list, k, v)
+	}
+
+	list.SetCurrentItem(1)
+	return r
+}
+func (modal HelpModal) drawgroup(outtext *tview.List, groupname string, keys Map) {
+
+	outtext.AddItem("", "---"+groupname+"---", rune(0), nil)
+
+	for _, key := range keys {
+		outtext.AddItem(key.Key.String()+":"+key.Description, "", rune(0), nil)
+	}
+}

components/Home.go

@@ -308,6 +308,23 @@ func (home *Home) homeInputCapture(event *tcell.EventKey) *tcell.EventKey {
 
 			MainPages.AddPage("Confirmation", confirmationModal, true, true)
 		}
+	} else if command == commands.HelpPopup {
+
+		if table == nil || !table.GetIsEditing() {
+			home.HelpModal = NewHelpModal()
+
+			home.HelpModal.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+
+				command := app.Keymaps.Resolve(event)
+				if command == commands.Quit {
+					App.Stop()
+				} else if event.Key() == tcell.KeyEsc {
+					MainPages.RemovePage("Help")
+				}
+				return event
+			})
+			MainPages.AddPage("Help", home.HelpModal, false, true)
+		}
 	}
 
 	return event