Have got a modal table-selection list working

Also tracked down what was causing major pauses when creating new tables.
It was due to querying whether terminal is light or not.  So making a call to
get that info on launch.

cmd/dynamo-browse/main.go

@@ -7,6 +7,7 @@ import (
 	"github.com/aws/aws-sdk-go-v2/config"
 	"github.com/aws/aws-sdk-go-v2/service/dynamodb"
 	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
 	"github.com/lmika/awstools/internal/common/ui/commandctrl"
 	"github.com/lmika/awstools/internal/common/ui/dispatcher"
 	"github.com/lmika/awstools/internal/common/ui/uimodels"
@@ -19,6 +20,7 @@ import (
 	"github.com/lmika/awstools/internal/dynamo-browse/ui/teamodels/layout"
 	"github.com/lmika/awstools/internal/dynamo-browse/ui/teamodels/modal"
 	"github.com/lmika/awstools/internal/dynamo-browse/ui/teamodels/statusandprompt"
+	"github.com/lmika/awstools/internal/dynamo-browse/ui/teamodels/tableselect"
 	"github.com/lmika/gopkgs/cli"
 	"log"
 	"os"
@@ -65,13 +67,17 @@ func main() {
 	_ = uiModel
 	// END TEMP
 
-	model := layout.FullScreen(statusandprompt.New(
+	var model tea.Model = statusandprompt.New(
 		layout.NewVBox(
 			frame.NewFrame("This is the header", true, layout.Model(newTestModel("this is the top"))),
 			frame.NewFrame("This is another header", false, layout.Model(newTestModel("this is the bottom"))),
 		),
 		"Hello world",
-	))
+	)
+	model = layout.FullScreen(tableselect.New(model))
+
+	// Pre-determine if layout has dark background.  This prevents calls for creating a list to hang.
+	lipgloss.HasDarkBackground()
 
 	//frameSet := frameset.New([]frameset.Frame{
 	//	{
@@ -129,8 +135,8 @@ func newTestModel(descr string) tea.Model {
 		OnKeyPressed: func(k string) tea.Cmd {
 			log.Println("got key press: " + k)
 			if k == "enter" {
-				return statusandprompt.Prompt("What is your car? ", func(val string) tea.Cmd {
-					return statusandprompt.SetStatus("Your car is = " + val)
+				return tableselect.ShowTableSelect(func(n string) tea.Cmd {
+					return statusandprompt.SetStatus("New table = " + n)
 				})
 			} else if k == "k" {
 				return modal.PopMode

internal/dynamo-browse/ui/teamodels/layout/model.go

@@ -15,6 +15,15 @@ type ResizingModel interface {
 	Resize(w, h int) ResizingModel
 }
 
+// Resize sends a resize message to the passed in model.  If m implements ResizingModel, then Resize is called;
+// otherwise, m is returned without any messages.
+func Resize(m tea.Model, w, h int) tea.Model {
+	if rm, isRm := m.(ResizingModel); isRm {
+		return rm.Resize(w, h)
+	}
+	return m
+}
+
 // Model takes a tea-model and displays it as a resizing model.  The model will be
 // displayed with all the available space provided
 func Model(m tea.Model) ResizingModel {
@@ -46,3 +55,54 @@ func (t teaModel) Resize(w, h int) ResizingModel {
 	t.w, t.h = w, h
 	return t
 }
+
+type ResizableModelHandler struct {
+	new    func(w, h int) tea.Model
+	resize func(m tea.Model, w, h int) tea.Model
+	model  tea.Model
+}
+
+// NewResizableModelHandler takes a tea model that requires a with and height during construction
+// and has a resize method, and wraps it as a resizing model.
+func NewResizableModelHandler(newModel func(w, h int) tea.Model) ResizableModelHandler {
+	return ResizableModelHandler{
+		new: newModel,
+	}
+}
+
+func (rmh ResizableModelHandler) WithResize(resizeFn func(m tea.Model, w, h int) tea.Model) ResizableModelHandler {
+	rmh.resize = resizeFn
+	return rmh
+}
+
+func (rmh ResizableModelHandler) Resize(w, h int) ResizingModel {
+	if rmh.model == nil {
+		rmh.model = rmh.new(w, h)
+		// TODO: handle init
+	} else if rmh.resize != nil {
+		rmh.model = rmh.resize(rmh.model, w, h)
+	}
+	return rmh
+}
+
+func (rmh ResizableModelHandler) Init() tea.Cmd {
+	return nil
+}
+
+func (rmh ResizableModelHandler) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	if rmh.model == nil {
+		return rmh, nil
+	}
+
+	newModel, cmd := rmh.model.Update(msg)
+	rmh.model = newModel
+	return rmh, cmd
+}
+
+func (rmh ResizableModelHandler) View() string {
+	if rmh.model == nil {
+		return ""
+	}
+
+	return rmh.model.View()
+}

internal/dynamo-browse/ui/teamodels/modal/model.go

@@ -2,6 +2,7 @@ package modal
 
 import (
 	tea "github.com/charmbracelet/bubbletea"
+	"github.com/lmika/awstools/internal/dynamo-browse/ui/teamodels/layout"
 	"github.com/lmika/awstools/internal/dynamo-browse/ui/teamodels/utils"
 	"log"
 )
@@ -18,30 +19,34 @@ func New(baseMode tea.Model) Modal {
 }
 
 func (m Modal) Init() tea.Cmd {
-	return nil
+	return m.baseMode.Init()
 }
 
-func (m *Modal) pushMode(model tea.Model) {
+// Push pushes a new model onto the modal stack
+func (m *Modal) Push(model tea.Model) {
 	m.modeStack = append(m.modeStack, model)
 	log.Printf("pusing new mode: len = %v", len(m.modeStack))
 }
 
-func (m *Modal) popMode() {
+// Pop pops a model from the stack
+func (m *Modal) Pop() (p tea.Model) {
 	if len(m.modeStack) > 0 {
+		p = m.modeStack[len(m.modeStack)-1]
 		m.modeStack = m.modeStack[:len(m.modeStack)-1]
+		return p
 	}
+	return nil
+}
+
+// Len returns the number of models on the mode stack
+func (m Modal) Len() int {
+	return len(m.modeStack)
 }
 
 func (m Modal) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	var cc utils.CmdCollector
 
 	switch msg := msg.(type) {
-	case newModePushed:
-		m.pushMode(msg)
-		return m, nil
-	case modePopped:
-		m.popMode()
-		return m, nil
 	case tea.KeyMsg, tea.MouseMsg:
 		// only notify top level stack
 		if len(m.modeStack) > 0 {
@@ -69,3 +74,11 @@ func (m Modal) View() string {
 	}
 	return m.baseMode.View()
 }
+
+func (m Modal) Resize(w, h int) layout.ResizingModel {
+	m.baseMode = layout.Resize(m.baseMode, w, h)
+	for i := range m.modeStack {
+		m.modeStack[i] = layout.Resize(m.modeStack[i], w, h)
+	}
+	return m
+}

internal/dynamo-browse/ui/teamodels/tableselect/events.go

@@ -0,0 +1,15 @@
+package tableselect
+
+import tea "github.com/charmbracelet/bubbletea"
+
+func ShowTableSelect(onSelected func(n string) tea.Cmd) tea.Cmd {
+	return func() tea.Msg {
+		return showTableSelectMsg{
+			onSelected: onSelected,
+		}
+	}
+}
+
+type showTableSelectMsg struct {
+	onSelected func(n string) tea.Cmd
+}

internal/dynamo-browse/ui/teamodels/tableselect/items.go

@@ -0,0 +1,27 @@
+package tableselect
+
+import "github.com/charmbracelet/bubbles/list"
+
+type tableItem struct {
+	name string
+}
+
+func (ti tableItem) FilterValue() string {
+	return ""
+}
+
+func (ti tableItem) Title() string {
+	return ti.name
+}
+
+func (ti tableItem) Description() string {
+	return "abc"
+}
+
+func toListItems[T list.Item](xs []T) []list.Item {
+	ls := make([]list.Item, len(xs))
+	for i, x := range xs {
+		ls[i] = x
+	}
+	return ls
+}

internal/dynamo-browse/ui/teamodels/tableselect/list.go

@@ -0,0 +1,55 @@
+package tableselect
+
+import (
+	"github.com/charmbracelet/bubbles/list"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+	"github.com/lmika/awstools/internal/dynamo-browse/ui/teamodels/layout"
+)
+
+var (
+	titleStyle        = lipgloss.NewStyle().MarginLeft(2)
+	itemStyle         = lipgloss.NewStyle().PaddingLeft(4)
+	selectedItemStyle = lipgloss.NewStyle().PaddingLeft(2).Foreground(lipgloss.Color("170"))
+	paginationStyle   = list.DefaultStyles().PaginationStyle.PaddingLeft(4)
+	helpStyle         = list.DefaultStyles().HelpStyle.PaddingLeft(4).PaddingBottom(1)
+	quitTextStyle     = lipgloss.NewStyle().Margin(1, 0, 2, 4)
+)
+
+type listController struct {
+	list list.Model
+}
+
+func newListController(w, h int) listController {
+	tableItems := []tableItem{
+		{name: "alpha"},
+		{name: "beta"},
+		{name: "gamma"},
+	}
+
+	items := toListItems(tableItems)
+
+	delegate := list.NewDefaultDelegate()
+	delegate.ShowDescription = false
+
+	return listController{list.New(items, delegate, w, h)}
+}
+
+func (l listController) Init() tea.Cmd {
+	return nil
+}
+
+func (l listController) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	newList, cmd := l.list.Update(msg)
+	l.list = newList
+	return l, cmd
+}
+
+func (l listController) View() string {
+	return l.list.View()
+}
+
+func (l listController) Resize(w, h int) layout.ResizingModel {
+	l.list.SetSize(w, h)
+	return l
+}

internal/dynamo-browse/ui/teamodels/tableselect/model.go

@@ -0,0 +1,56 @@
+package tableselect
+
+import (
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/lmika/awstools/internal/dynamo-browse/ui/teamodels/layout"
+	"github.com/lmika/awstools/internal/dynamo-browse/ui/teamodels/modal"
+)
+
+type Model struct {
+	pendingSelection *showTableSelectMsg
+	modal            modal.Modal
+	w, h             int
+}
+
+func New(submodel tea.Model) Model {
+	return Model{modal: modal.New(submodel)}
+}
+
+func (m Model) Init() tea.Cmd {
+	return m.modal.Init()
+}
+
+func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case showTableSelectMsg:
+		m.pendingSelection = &msg
+		m.modal.Push(newListController(m.w, m.h))
+		return m, nil
+	case tea.KeyMsg:
+		if m.modal.Len() > 0 {
+			switch msg.String() {
+			case "enter":
+				listController := m.modal.Pop().(listController)
+
+				var sel showTableSelectMsg
+				sel, m.pendingSelection = *m.pendingSelection, nil
+
+				return m, sel.onSelected(listController.list.SelectedItem().(tableItem).name)
+			}
+		}
+	}
+
+	newModal, cmd := m.modal.Update(msg)
+	m.modal = newModal.(modal.Modal)
+	return m, cmd
+}
+
+func (m Model) View() string {
+	return m.modal.View()
+}
+
+func (m Model) Resize(w, h int) layout.ResizingModel {
+	m.w, m.h = w, h
+	m.modal = layout.Resize(m.modal, w, h).(modal.Modal)
+	return m
+}