ux stuff

common/elements/v1/table.go

@@ -0,0 +1,100 @@
+package elements
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/hajimehoshi/ebiten/v2"
+)
+
+type Table struct {
+	mouseHandler
+	Block
+
+	ColumnCount int
+	RowCount    int
+
+	Cells []Element
+
+	Style struct {
+	}
+
+	mouseOverCell int
+}
+
+func (t *Table) HandleClick(ctx context.Context, s MouseState) error {
+	address := t.getAddressUnderMouse()
+	if address < 0 || address >= len(t.Cells) {
+		return fmt.Errorf("cell address under mouse is out of bounds")
+	}
+
+	if clickable, ok := t.Cells[address].(Clickable); ok {
+		return clickable.HandleClick(s)
+	}
+
+	return nil
+}
+
+func (t *Table) HandleMouseEnter(ctx context.Context, s MouseState) error {
+	_ = t.mouseHandler.HandleMouseEnter(s)
+	address := t.getAddressUnderMouse()
+	if address < 0 || address >= len(t.Cells) {
+		return fmt.Errorf("cell address under mouse is out of bounds")
+	}
+
+	if mouseable, ok := t.Cells[address].(Mouseable); ok {
+		s.X -=
+		return mouseable.HandleMouseEnter(s)
+	}
+
+	return nil
+}
+
+func (t *Table) HandleMouseLeave(ctx context.Context, s MouseState) error {
+	_ = t.mouseHandler.HandleMouseLeave(s)
+	return nil
+}
+
+func (t *Table) HandleMouseMove(ctx context.Context, s MouseState) error {
+	_ = t.mouseHandler.HandleMouseMove(s)
+	return nil
+}
+
+func (t *Table) HandleMouseDown(ctx context.Context, s MouseState) error {
+	_ = t.mouseHandler.HandleMouseDown(s)
+	return nil
+}
+
+func (t *Table) HandleMouseUp(ctx context.Context, s MouseState) error {
+	_ = t.mouseHandler.HandleMouseUp(s)
+	return nil
+}
+
+func (t *Table) CellSize(ctx context.Context) (w, h float32) {
+	w, h = GetContainerSize(ctx)
+	return w / float32(t.ColumnCount), h / float32(t.RowCount)
+}
+
+func (t *Table) CellZero(ctx context.Context, addr int) (x, y float32) {
+	x, y = GetZero(ctx)
+	w, h := t.CellSize(ctx)
+
+	col, row := addr%t.ColumnCount, addr/t.ColumnCount
+	return x + float32(col)*w, y + float32(row) + h
+}
+
+func (t *Table) Draw(ctx context.Context, screen *ebiten.Image) error {
+
+}
+
+func (t *Table) contextForCell(ctx context.Context, addr int) context.Context {
+	zx, zy := t.CellZero(ctx, addr)
+	w, h := t.CellSize(ctx)
+	ctx = SetZero(ctx, zx, zy)
+	ctx = SetContainerSize(ctx, w, h)
+	return ctx
+}
+
+func (t *Table) getAddressUnderMouse() int {
+	return int(t.mouseState.Y)*t.RowCount + int(t.mouseState.X)
+}