Fixed set of ListView checked property

demo/listViewDemo.go

@@ -36,6 +36,7 @@ GridLayout {
 						DropDownList { row = 7, column = 1, id = listCheckboxVAlign, current = 0, items = ["top", "bottom", "center"]},
 						TextView { row = 8, text = "Checkbox horizontal align" },
 						DropDownList { row = 8, column = 1, id = listCheckboxHAlign, current = 0, items = ["left", "right", "center"]},
+						Button { row = 9, column = 0:1, id = listSetChecked, content = "set checked 1,4,8" }
 					]
 				}
 			]
@@ -91,5 +92,9 @@ func createListViewDemo(session rui.Session) rui.View {
 		rui.Set(view, "listView", rui.CheckboxHorizontalAlign, number)
 	})
 
+	rui.Set(view, "listSetChecked", rui.ClickEvent, func() {
+		rui.Set(view, "listView", rui.Checked, "1, 4, 8")
+	})
+
 	return view
 }

listView.go

@@ -514,6 +514,18 @@ func (listView *listViewData) setChecked(value interface{}) bool {
 		checked = []int{}
 	} else {
 		switch value := value.(type) {
+		case string:
+			checked = []int{}
+			for _, val := range strings.Split(value, ",") {
+				n, err := strconv.Atoi(strings.Trim(val, " \t"))
+				if err != nil {
+					invalidPropertyValue(Checked, value)
+					ErrorLog(err.Error())
+					return false
+				}
+				checked = append(checked, n)
+			}
+
 		case int:
 			checked = []int{value}