Typica/config/Windows/greensales.xml

<window id="greensales">
	<layout type="vertical">
		<layout type="horizontal">
			<label>Date:</label>
			<calendar id="date" />
			<label>Customer:</label>
			<line id="customer" />
			<label>Weight Unit:</label>
			<sqldrop data="0" display="0" showdata="false" editable="false" id="units" />
		</layout>
		<sqltablearray columns="2" id="coffees">
			<column name="Coffee" delegate="sql" showdata="true" null="false" data="0" display="1">
				<![CDATA[
					SELECT id, name FROM coffees WHERE quantity <> 0 ORDER BY name
				]]>
			</column>
			<column name="Weight" delegate="numeric" />
		</sqltablearray>
		<button name="Submit" id="submit" type="push" />
	</layout>
	<program>
		<![CDATA[
			var window = this;
			this.windowTitle = 'Typica - Enter Green Coffee Sales';
			var unitBox = findChildObject(this, 'units');
			unitBox.addItem("g");
			unitBox.addItem("Kg");
			unitBox.addItem("oz");
			unitBox.addItem("lb");
			var convertToPounds = function(w, u) {
				switch(u)
				{
					case "g":
						return w * 0.0022;
					case "oz":
						return w * 0.0625;
					case "Kg":
						return w * 2.2;
				}
				return w;
			};
			var dateField = findChildObject(this, 'date');
			var customerField = findChildObject(this, 'customer');
			var items = findChildObject(this, 'coffees');
			var model = items.model();
			model.dataChanged.connect(function() {
				items.resizeColumnToContents(0);
			});
			var submit = findChildObject(this, 'submit');
			submit.clicked.connect(function() {
				var query = new QSqlQuery();
				query.prepare("INSERT INTO sale VALUES(:time, :item, :quantity, :customer)");
				query.bind(":time", dateField.text);
				if(customerField.text == "") {
					query.bind(":customer", null);
				}
				else {
					query.bind(":customer", customerField.text);
				}
				var coffeesArray = sqlToArray(items.columnArray(0, 32));
				if(coffeesArray.length > 0)
				{
					for(var i = 0; i < coffeesArray.length; i++)
					{
						if(items.data(i, 0, 32).value == '')
						{
							continue;
						}
						if(items.data(i, 1, 0).value == '')
						{
							continue;
						}
						query.bind(":item", items.data(i, 0, 32).value);
						query.bind(":quantity", convertToPounds(items.data(i, 1, 0).value, unitBox.currentText));
						query.exec();
					}
				}
				query = query.invalidate();
				window.close();
			});
		]]>
	</program>
</window>