Typica/config/Windows/greeninventory.xml

<window id="inventory">
    <layout type="vertical">
        <layout type="horizontal">
            <sqldrop id="transactiontype" />
            <stretch />
        </layout>
        <layout type="horizontal">
            <sqldrop data="0" display="1" showdata="true" id="item">
                <query><![CDATA[SELECT id, name FROM coffees WHERE quantity <> 0 ORDER BY name ASC]]></query>
            </sqldrop>
            <line id="quantity" />
            <sqldrop id="units" />
            <label id="reasonlabel">Reason: </label>
            <line id="reason" />
        </layout>
        <layout type="horizontal">
            <stretch />
            <button type="push" name="Update" id="update" />
        </layout>
        <textarea id="current" />
    </layout>
    <program>
        <![CDATA[
            var types = findChildObject(this, 'transactiontype');
            types.addItem("inventory");
            types.addItem("loss");
            var units = findChildObject(this, 'units');
            units.addItem("bag");
            units.addItem("lb");
            units.addItem("kg");
            var items = findChildObject(this, 'item');
            var status = findChildObject(this, 'current');
            var q = "SELECT quantity FROM items WHERE id = ";
            q = q + items.currentData();
            query = new QSqlQuery();
            query.exec(q);
            query.next();
            var text = items.currentText;
            text = text + " Current inventory: ";
            text = text + query.value(0);
            text = text + " pounds ("
            text = text + Number(query.value(0)) / 2.2;
            text = text + " Kg (";
            q = "SELECT ";
            q = q + query.value(0);
            q = q + " / (SELECT conversion FROM lb_bag_conversion WHERE item = ";
            q = q + items.currentData();
            q = q + ")";
            query.exec(q);
            query.next();
            text = text + query.value(0);
text = text + " bags)";
            query = query.invalidate();
            status.plainText = text;
            var button = findChildObject(this, 'update');
            var value = findChildObject(this, 'quantity');
            var reason = findChildObject(this, 'reason');
            var reasonlabel = findChildObject(this, 'reasonlabel');
            reason.enabled = false;
            button.clicked.connect(function() {
                q = "INSERT INTO ";
                q += (types.currentIndex == 0 ?
                    "inventory (time, item, quantity)" :
                    "loss (time, item, quantity, reason)");
                q += " VALUES ('now', ";
                q = q + items.currentData();
                q = q + ", ";
                if(units.currentText == "lb") {
                    q = q + value.text;
                } else if (units.currentText == "kg") {
                    q = q + (value.text * 2.2);
                }
                else {
                    q = q + value.text;
                    q = q + " * (SELECT conversion FROM lb_bag_conversion WHERE item = ";
                    q = q + items.currentData();
                    q = q + ")";
                }
                q += (types.currentIndex == 0 ?
                    ")" :
                    ", '" + reason.text + "')");
                query = new QSqlQuery();
                query.exec(q);
                text = items.currentText;
                q = "SELECT quantity FROM items WHERE id = ";
                q = q + items.currentData();
                query.exec(q);
                query.next();
                text = text + " Current inventory: ";
                text = text + query.value(0);
                text = text + " pounds (";
                q = "SELECT ";
                q = q + query.value(0);
                q = q + " / (SELECT conversion FROM lb_bag_conversion WHERE item = ";
                q = q + items.currentData();
                q = q + ")";
                query.exec(q);
                query.next();
                text = text + query.value(0);
                text = text + " bags)";
                status.plainText = text;
                query = query.invalidate();
            });
            items['currentIndexChanged(int)'].connect(function() {
                q = "SELECT quantity FROM items WHERE id = ";
                q = q + items.currentData();
                query = new QSqlQuery();
                query.exec(q);
                query.next();
                var text = items.currentText;
                text = text + " Current inventory: ";
                text = text + query.value(0);
                text = text + " pounds ";
                text = text + Number(query.value(0)) / 2.2;
                text = text + " Kg (";
                q = "SELECT ";
                q = q + query.value(0);
                q = q + " / (SELECT conversion FROM lb_bag_conversion WHERE item = ";
                q = q + items.currentData();
                q = q + ")";
                query.exec(q);
                query.next();
                text = text + query.value(0);
                text = text + " bags)";
                status.plainText = text;
                query = query.invalidate();
            });
            types['currentIndexChanged(int)'].connect(function(typeindex) {
                switch(typeindex) {
                    case 0:
                        reason.enabled = false;
                        break;
                    case 1:
                        reason.enabled = true;
                        break;
                }
            });
        ]]>
    </program>
</window>