cleanup + example start

examples/grid.lua

@@ -0,0 +1,44 @@
+local UI = require('opus.ui')
+
+local page = UI.Page {
+	menuBar = UI.MenuBar {
+		buttons = {
+			{ text = 'Shuffle', event = 'shuffle' },
+			{ text = 'Clear',   event = 'clear',   },
+		}
+	},
+	grid = UI.ScrollingGrid {
+		y = 2, ey = -2,
+		values = {
+			{ col = 'column1', value = 'value1' },
+			{ col = 'column2', value = 'value2' },
+			{ col = 'column3', value = 'value3' },
+		},
+		columns = {
+			{ heading = 'HDR1', key = 'col' },
+			{ heading = 'HDR2', key = 'value' },
+		}
+	},
+	statusBar = UI.StatusBar { },
+}
+
+function page:eventHandler(event)
+	if event.type == 'grid_select' then
+		self.statusBar:setStatus('Selected: ' .. event.selected.value)
+
+	elseif event.type == 'shuffle' then
+		for _,v in pairs(self.grid.values) do
+			v.col = 'column' .. math.random(1,3)
+		end
+		self.grid:update()
+		self.grid:draw()
+
+	elseif event.type == 'clear' then
+		self.grid:setValues({ })
+		self.grid:draw()
+	end
+	return UI.Page.eventHandler(self, event)
+end
+
+UI:setPage(page)
+UI:pullEvents()