delete selected proto files

ui/chapartheme/theme.go

@@ -27,6 +27,7 @@ type Theme struct {
 	TextColor             color.NRGBA
 	ButtonTextColor       color.NRGBA
 	SendButtonBgColor     color.NRGBA
+	DeleteButtonBgColor   color.NRGBA
 	SwitchBgColor         color.NRGBA
 	TabInactiveColor      color.NRGBA
 	SeparatorColor        color.NRGBA
@@ -93,6 +94,7 @@ func (t *Theme) Switch(isDark bool) *material.Theme {
 		t.ErrorColor = rgb(0xff7373)
 		t.WarningColor = rgb(0xffe073)
 		t.BadgeBgColor = rgb(0x2b2d31)
+		t.DeleteButtonBgColor = rgb(0xff7373)
 	} else {
 		t.LoaderColor = rgb(0x000000)
 		t.Theme.Palette.Fg = rgb(0x000000)
@@ -119,6 +121,7 @@ func (t *Theme) Switch(isDark bool) *material.Theme {
 		t.ErrorColor = rgb(0xff7373)
 		t.WarningColor = rgb(0xffe073)
 		t.BadgeBgColor = rgb(0x2b2d31)
+		t.DeleteButtonBgColor = rgb(0xff7373)
 	}
 
 	return t.Theme

ui/pages/protofiles/controller.go

@@ -29,6 +29,7 @@ func NewController(view *View, state *state.ProtoFiles, repo repository.Reposito
 
 	view.SetOnAdd(c.onAdd)
 	view.SetOnDelete(c.onDelete)
+	view.SetOnDeleteSelected(c.onDeleteSelected)
 
 	return c
 }
@@ -69,20 +70,37 @@ func (c *Controller) onAdd() {
 }
 
 func (c *Controller) onDelete(p *domain.ProtoFile) {
-	ws := c.state.GetProtoFile(p.MetaData.ID)
-	if ws == nil {
+	pr := c.state.GetProtoFile(p.MetaData.ID)
+	if pr == nil {
 		fmt.Println("failed to get proto-file", p.MetaData.ID)
 		return
 	}
 
-	if err := c.state.RemoveProtoFile(p, false); err != nil {
+	if err := c.state.RemoveProtoFile(pr, false); err != nil {
 		fmt.Println("failed to remove proto-file", err)
 		return
 	}
 
 	c.view.RemoveItem(p)
 }
 
+func (c *Controller) onDeleteSelected(ids []string) {
+	for _, id := range ids {
+		pr := c.state.GetProtoFile(id)
+		if pr == nil {
+			fmt.Println("failed to get proto-file", id)
+			continue
+		}
+
+		if err := c.state.RemoveProtoFile(pr, false); err != nil {
+			fmt.Println("failed to remove proto-file", err)
+			continue
+		}
+
+		c.view.RemoveItem(pr)
+	}
+}
+
 func (c *Controller) saveProtoFileToDisc(id string) {
 	ws := c.state.GetProtoFile(id)
 	if ws == nil {

ui/pages/protofiles/view.go

@@ -23,7 +23,9 @@ import (
 )
 
 type View struct {
-	addButton widget.Clickable
+	addButton            widget.Clickable
+	deleteSelectedButton widget.Clickable
+
 	searchBox *widgets.TextField
 	grid      component.GridState
 
@@ -34,8 +36,9 @@ type View struct {
 	items         []*Item
 	filteredItems []*Item
 
-	onAdd    func()
-	onDelete func(w *domain.ProtoFile)
+	onAdd            func()
+	onDelete         func(p *domain.ProtoFile)
+	onDeleteSelected func(ids []string)
 }
 
 type Item struct {
@@ -54,6 +57,7 @@ func NewView() *View {
 	search := widgets.NewTextField("", "Search...")
 	search.SetIcon(widgets.SearchIcon, widgets.IconPositionEnd)
 	v := &View{
+		mx:        &sync.Mutex{},
 		searchBox: search,
 	}
 
@@ -112,6 +116,10 @@ func (v *View) SetOnDelete(f func(w *domain.ProtoFile)) {
 	v.onDelete = f
 }
 
+func (v *View) SetOnDeleteSelected(f func(ids []string)) {
+	v.onDeleteSelected = f
+}
+
 func (v *View) Filter(text string) {
 	v.mx.Lock()
 	defer v.mx.Unlock()
@@ -139,6 +147,29 @@ func (v *View) header(gtx layout.Context, theme *chapartheme.Theme) layout.Dimen
 		}
 	}
 
+	shouldShowDeleteSelected := false
+	for _, item := range v.items {
+		if item.checkBox.Value {
+			shouldShowDeleteSelected = true
+			break
+		}
+	}
+
+	if shouldShowDeleteSelected {
+		if v.deleteSelectedButton.Clicked(gtx) {
+			var ids []string
+			for _, item := range v.items {
+				if item.checkBox.Value {
+					ids = append(ids, item.p.MetaData.ID)
+				}
+			}
+
+			if v.onDeleteSelected != nil {
+				v.onDeleteSelected(ids)
+			}
+		}
+	}
+
 	return layout.Flex{Axis: layout.Horizontal, Alignment: layout.Middle, Spacing: layout.SpaceBetween}.Layout(gtx,
 		layout.Rigid(func(gtx layout.Context) layout.Dimensions {
 			return layout.Flex{
@@ -158,6 +189,16 @@ func (v *View) header(gtx layout.Context, theme *chapartheme.Theme) layout.Dimen
 		}),
 		layout.Rigid(func(gtx layout.Context) layout.Dimensions {
 			return layout.Flex{Axis: layout.Horizontal, Alignment: layout.Middle}.Layout(gtx,
+				layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+					if !shouldShowDeleteSelected {
+						return layout.Dimensions{}
+					}
+					deleteSelectedBtn := widgets.Button(theme.Material(), &v.deleteSelectedButton, widgets.DeleteIcon, widgets.IconPositionStart, "Delete Selected")
+					deleteSelectedBtn.Color = theme.ButtonTextColor
+					deleteSelectedBtn.Background = theme.DeleteButtonBgColor
+					return deleteSelectedBtn.Layout(gtx, theme)
+				}),
+				layout.Rigid(layout.Spacer{Width: unit.Dp(5)}.Layout),
 				layout.Rigid(func(gtx layout.Context) layout.Dimensions {
 					newBtn := widgets.Button(theme.Material(), &v.addButton, widgets.PlusIcon, widgets.IconPositionStart, "Add Proto file")
 					newBtn.Color = theme.ButtonTextColor
@@ -182,6 +223,13 @@ func (v *View) Layout(gtx layout.Context, theme *chapartheme.Theme) layout.Dimen
 		items = v.filteredItems
 	}
 
+	// if checkbox is clicked, check all checkboxes
+	if v.checkAllBook.Update(gtx) {
+		for _, item := range items {
+			item.checkBox.Value = v.checkAllBook.Value
+		}
+	}
+
 	// minSize := gtx.Dp(unit.Dp(50))
 	inset := layout.UniformInset(unit.Dp(10))
 	// Configure a label styled to be a heading.