Typica/config/Windows/schedule.xml

<window id="schedule">
    <menu name="File">
        <item id="print" shortcut="Ctrl+P">Print...</item>
    </menu>
    <menu name="Schedule">
        <item id="deleteall">Delete All</item>
    </menu>
    <layout type="horizontal">
        <splitter type="horizontal" id="splitter">
            <widget>
                <layout type="vertical">
                    <layout type="horizontal">
                        <button name="Delete" type="push" id="deletebutton" />
                        <stretch />
                        <button name="New" type="push" id="newbutton" />
                    </layout>
                    <sqlview id="batches" />
                </layout>
            </widget>
            <widget>
                <layout type="stack" id="editingstack">
                    <page>
                    </page>
                    <page>
                        <layout type="vertical">
                            <layout type="horizontal">
                                <label>Scheduled Batch ID</label>
                                <line id="batch" writable="false" />
                            </layout>
                            <tabbar id="tabs" />
                            <layout type="stack" id="pages">
                                <page>
                                    <layout type="vertical">
                                        <layout type="horizontal">
                                            <label>Unit:</label>
                                            <sqldrop id="unit" />
                                            <stretch />
                                        </layout>
                                        <layout type="horizontal">
                                            <label>Roasted Coffee:</label>
                                            <sqldrop data="0" display="1" showdata="true" id="roasted">
                                                <null />
                                                <query>SELECT id, name FROM items WHERE category='Coffee: Roasted' AND id IN (SELECT item FROM current_items) ORDER BY name</query>
                                            </sqldrop>
                                            <stretch />
                                        </layout>
                                        <label>Green Coffee:</label>
                                        <sqltablearray columns="3" id="greens">
                                            <column name="Coffee" delegate="sql" showdata="true" null="true" nulltext="Delete" nulldata="delete" data="0" display="1">SELECT id, name FROM coffees WHERE quantity &lt;&gt; 0 ORDER BY name</column>
                                            <column name="Weight" delegate="numeric" />
                                            <column name="Remaining" />
                                        </sqltablearray>
                                        <layout type="horizontal">
                                            <label>Green Weight:</label>
                                            <line id="green" writable="false">0.0</line>
                                        </layout>
                                    </layout>
                                </page>
                                <page>
                                    <layout type="vertical">
                                        <sqltablearray columns="2" id="filters">
                                            <column name="Filter" />
                                            <column name="Value" />
                                        </sqltablearray>
                                    </layout>    
                                </page>
                                <page>
                                    <layout type="vertical">
                                        <webview id="batchTag" />
                                    </layout>
                                </page>
                            </layout>
                            <layout type="horizontal">
                                <printerselector id="printerlist" />
                                <button name="Print" id="printbutton" type="push" />
                            </layout>
                            <layout type="horizontal">
                                <stretch />
                                <button name="Save" id="savebutton" type="push" />
                            </layout>
                        </layout>
                    </page>
                </layout>
            </widget>
        </splitter>
    </layout>
    <program>
<![CDATA[
    var window = this;
    var saved = false;
    this.windowTitle = TTR("schedule", "Typica - Roasting Schedule");
    var splitter = findChildObject(this, 'splitter');
    window.aboutToClose.connect(function() {
        splitter.saveState("script/schedule/splitter");
    });
    splitter.restoreState("script/schedule/splitter");
    var deletebutton = findChildObject(this, 'deletebutton');
    deletebutton.enabled = false;
    var editingstack = findChildObject(this, 'editingstack');
    var newbutton = findChildObject(this, 'newbutton');
    var batch = findChildObject(this, 'batch');
    var roasted = findChildObject(this, 'roasted');
    var filters = findChildObject(this, 'filters');
    var table = findChildObject(this, 'greens');
    var green = findChildObject(this, 'green');
    var pages = findChildObject(this, 'pages');
    newbutton.clicked.connect(function() {
        saved = false;
        roasted.setCurrentIndex(0);
        filters.clear();
        table.clear();
        green.text = "0.0";
        tabs.setCurrentIndex(0);
        editingstack.setCurrentIndex(1);
        var query = new QSqlQuery();
        query.exec("SELECT nextval('scheduled_roasts_id_seq'::regclass)");
        if(query.next()) {
            batch.text = query.value(0);
        }
        query = query.invalidate();
        drawTag();
    });
    var batches = findChildObject(this, 'batches');
    batches.setQuery("SELECT id, (SELECT name FROM items WHERE id = (data#>>'{roasted}')::numeric), (data#>>'{green_weight}')::numeric FROM scheduled_roasts WHERE machine IS NULL");
    batches.setHeaderData(0, TTR("schedule", "ID"));
    batches.setHeaderData(1, TTR("schedule", "Roasted Coffee"));
    batches.setHeaderData(2, TTR("schedule", "Green Weight"));
    batches.alternatingRowColors = true;
    batches.selectionMode = 1;
    batches.selectionBehavior = 1;
    batches.editTriggers = 0;
    var model = table.model();
    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 convertFromPounds = 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;
    };
    batches.selectEntry.connect(function(id) {
        saved = true;
        tabs.setCurrentIndex(0);
        editingstack.setCurrentIndex(1);
        batch.text = id;
        var query = new QSqlQuery();
        query.prepare("SELECT data FROM scheduled_roasts WHERE id = :id");
        query.bind(":id", id);
        query.exec();
        if(query.next()) {
            var d = JSON.parse(query.value(0));
            if(d.roasted) {
                roasted.currentIndex = roasted.findData(d.roasted);
            }
            if(d.greens) {
                query.prepare("SELECT name FROM items WHERE id = :id");
                for(var i = 0; i < d.greens.length; i++) {
                    query.bind(":id", d.greens[i].id);
                    query.exec();
                    if(query.next()) {
                        table.setData(i, 0, query.value(0), 0);
                        table.setData(i, 0, d.greens[i].id, 32);
                        switch(unitBox.currentIndex) {
                            case 0:
                                table.setData(i, 1, convertFromPounds(d.greens[i].weight, "g"), 0);
                                break;
                            case 1:
                                table.setData(i, 1, convertFromPounds(d.greens[i].weight, "Kg"), 0);
                                break;
                            case 2:
                                table.setData(i, 1, convertFromPounds(d.greens[i].weight, "oz"), 0);
                                break;
                            default:
                                table.setData(i, 1, d.greens[i].weight, 0);
                                break;
                        }
                    }
                }
            }
            if(d.filters) {
                for(var i = 0; i < d.filters.length; i++) {
                    filters.setData(i, 0, d.filters[i].key, 0);
                    filters.setData(i, 1, d.filters[i].value, 0);
                }
            }
        }
        query = query.invalidate();
        drawTag();
        deletebutton.enabled = true;
    });
    var tabs = findChildObject(this, 'tabs');
    tabs.addTab(TTR("schedule", "Coffee"));
    tabs.addTab(TTR("schedule", "Filters"));
    tabs.addTab(TTR("schedule", "Batch Tag"));
    tabs.currentChanged.connect(function(index) {
        pages.setCurrentIndex(index);
    });
    var unitBox = findChildObject(this, 'unit');
    unitBox.addItem("g");
    unitBox.addItem("Kg");
    unitBox.addItem("oz");
    unitBox.addItem("lb");
    unitBox.currentIndex = QSettings.value("script/batch_unit", unitBox.findText("lb"));
    unitBox['currentIndexChanged(int)'].connect(function() {
        QSettings.setValue("script/batch_unit", unitBox.currentIndex);
    });
    var remainingStock = new Array();
    var query = new QSqlQuery();
    query.exec("SELECT id, quantity, (SELECT conversion FROM lb_bag_conversion WHERE item = id) FROM coffees WHERE quantity <> 0");
    while(query.next()) {
        remainingStock.push({id: query.value(0),
                             quantity: query.value(1),
                             conversion: query.value(2)});
    }
    query = query.invalidate();
    var updateGreenTable = function() {
        var deleteRow = -1;
        while((deleteRow = table.findData("delete", 0)) > -1) {
            if(table.data(deleteRow, 0, 0) == "Delete") {
                table.removeRow(table.findData("delete", 0));
            } else {
                break;
            }
        }
        green.text = table.columnSum(1, 0);
        table.resizeColumnToContents(0);
        var gid = 0;
        var r = 0;
        while(gid >= 0) {
            gid = Number(table.data(r, 0, 32));
            if(isNaN(gid)) {
                gid = -1;
                break;
            }
            var bagConversion = 1;
            for(var i = 0; i < remainingStock.length; i++) {
                if(gid == Number(remainingStock[i].id)) {
                    var displayValue = Number(remainingStock[i].quantity);
                    bagConversion = Number(remainingStock[i].conversion);
                    if(!isNaN(Number(table.data(r, 1, 0)))) {
                        var change = Number(table.data(r, 1, 0));
                        switch(unitBox.currentIndex) {
                            case 0:
                                change = convertToPounds(change, "g");
                                break;
                            case 1:
                                change = convertToPounds(change, "Kg");
                                break;
                            case 2:
                                change = convertToPounds(change, "oz");
                                break;
                        }
                        displayValue -= change;
                    }
                    var bagCount = (displayValue / bagConversion).toFixed(2);
                    switch(unitBox.currentIndex) {
                        case 0:
                            displayValue = convertFromPounds(displayValue, "g");
                            break;
                        case 1:
                            displayValue = convertFromPounds(displayValue, "Kg");
                            break;
                        case 2:
                            displayValue = convertFromPounds(displayValue, "oz");
                            break;
                    }
                    displayValue = "" + Number(displayValue).toFixed(3) + " (" + Number(bagCount).toFixed(3) + " bags)";
                    if(table.data(r, 2, 0) != displayValue) {
                        table.setData(r, 2, displayValue, 0);
                        table.setData(r, 2, displayValue, 2);
                        table.resizeColumnToContents(2);
                    }
                }
            }
            r++;
        }
        drawTag();
    };
    model.dataChanged.connect(updateGreenTable);
    unitBox['currentIndexChanged(int)'].connect(updateGreenTable);
    roasted['currentIndexChanged(int)'].connect(function() {
        table.clear();
        var query = new QSqlQuery();
        var q = "SELECT unroasted_id FROM roasting_log WHERE roasted_id = ";
        q += roasted.currentData();
        q += " AND time = (SELECT max(time) FROM roasting_log WHERE roasted_id = ";
        q += roasted.currentData();
        q += ")";
        query.exec(q);
        if(query.next()) {
            var unroasted_items = sqlToArray(query.value(0));
            var names = [];
            q = "SELECT name FROM items WHERE id = :id AND quantity <> 0";
            query.prepare(q);
            var allInStock = true;
            for(var i = 0; i < unroasted_items.length; i++) {
                query.bind("id", unroasted_items[i]);
                query.exec();
                if(query.next()) {
                    names[i] = query.value(0);
                } else {
                    allInStock = false;
                }
            }
            if(allInStock) {
                for(var i = 0; i < unroasted_items.length; i++) {
                    table.setData(i, 0, names[i], 0);
                    table.setData(i, 0, unroasted_items[i], 32);
                }
            }
        }
        query = query.invalidate();
        drawTag();
    });
    var batchTag = findChildObject(this, 'batchTag');
    var filtersModel = filters.model();
    filtersModel.dataChanged.connect(function() {
        drawTag()
    });
    function drawTag() {
        var buffer = new QBuffer;
        buffer.open(3);
        var output = new XmlWriter(buffer);
        output.writeStartDocument("1.0");
        output.writeDTD('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg.dtd">');
        output.writeStartElement("html");
        output.writeAttribute("xmlns", "http://www.w3.org/1999/xhtml");
        output.writeStartElement("head");
        var styleFile = new QFile(QSettings.value("config") + "/Scripts/batchtag.css");
        styleFile.open(1);
        output.writeTextElement("style", styleFile.readToString());
        styleFile.close();
        
        styleFile = new QFile(QSettings.value("config") + "/Scripts/barcode.css");
        styleFile.open(1);
        output.writeTextElement("style", styleFile.readToString());
        styleFile.close();
        
        output.writeStartElement("script");
        scriptFile = new QFile(QSettings.value("config") + "/Scripts/barcode.js");
        scriptFile.open(1);
        output.writeCDATA(scriptFile.readToString());
        scriptFile.close();
        output.writeEndElement();
        
        output.writeEndElement();
        output.writeStartElement("body");
        
        output.writeStartElement("h1");
        output.writeCharacters(roasted.currentText);
        output.writeEndElement();
        
        output.writeStartElement("div");
        output.writeAttribute("id", "barcode");
        output.writeAttribute("class", "barcode128h");
        output.writeAttribute("align", "center");
        output.writeEndElement();
        
        output.writeStartElement("script");
        output.writeCharacters("var strBarcodeHTML = code128('00" + batch.text + "', 'C'); document.getElementById('barcode').innerHTML = strBarcodeHTML;");
        output.writeEndElement();
        
        output.writeStartElement("p");
        output.writeAttribute("class", "code-text");
        output.writeCharacters("00" + batch.text);
        output.writeEndElement();
        
        var cdt = new Date(Date.now());
        output.writeTextElement("p", cdt.toLocaleDateString(TTR("reports", "en-US")));
        
        for(var i = 0; table.data(i, 1, 0).value != ""; i++) {
            output.writeStartElement("p");
            output.writeCharacters(table.data(i, 1, 0) + unitBox.currentText);
            output.writeCharacters(" ");
            output.writeCharacters(table.data(i, 0, 0));
            output.writeEndElement();
        }
        output.writeTextElement("p", "Total Green Weight: " + green.text + unitBox.currentText);
        
        for(var i = 0; filters.data(i, 0, 0).value != ""; i++) {
            output.writeStartElement("p");
            output.writeCharacters(filters.data(i, 0, 0) + "=" + filters.data(i, 1, 0));
            output.writeEndElement();
        }
        
        output.writeEndElement();
        output.writeEndElement();
        output.writeEndDocument();
        batchTag.setContent(buffer);
        buffer.close();
    };
    drawTag();
    var printMenu = findChildObject(this, 'print');
    printMenu.triggered.connect(function() {
        batchTag.print();
    });
    var printers = findChildObject(this, 'printerlist');
    printers.currentIndex = printers.findText(QSettings.value("script/batchtagprinter"));
    printers['currentIndexChanged(int)'].connect(function() {
        QSettings.setValue("script/batchtagprinter", printers.currentText);
    });
    var printbutton = findChildObject(this, 'printbutton');
    printbutton.clicked.connect(function() {
        batchTag.print(printers.currentText);
    });
    var savebutton = findChildObject(this, 'savebutton');
    savebutton.clicked.connect(function() {
        var data = new Object;
        data.roasted = Number(roasted.currentData());
        data.green_weight = Number(green.text);
        var greensdata = new Array;
        for(var i = 0; table.data(i, 1, 0).value != ""; i++) {
            var greendata = new Object;
            greendata.id = Number(table.data(i, 0, 32));
            switch(unitBox.currentIndex) {
                case 0:
                    greendata.weight = convertToPounds(table.data(i, 1, 0), "g");
                    break;
                case 1:
                    greendata.weight = convertToPounds(table.data(i, 1, 0), "Kg");
                    break;
                case 2:
                    greendata.weight = convertToPounds(table.data(i, 1, 0), "oz");
                    break;
                default:
                    greendata.weight = Number(table.data(i, 1, 0));
                    break;
            }
            greensdata.push(greendata);
        }
        data.greens = greensdata;
        var filtersdata = new Array;
        for(var i = 0; filters.data(i, 0, 0).value != ""; i++) {
            var filterdata = new Object;
            filterdata.key = filters.data(i, 0, 0).value;
            filterdata.value = filters.data(i, 1, 0).value;
            filtersdata.push(filterdata);
        }
        data.filters = filtersdata;
        var query = QSqlQuery();
        if(saved) {
            query.prepare("UPDATE scheduled_roasts SET data = :data WHERE id = :id");
        } else {
            query.prepare("INSERT INTO scheduled_roasts(id, data) VALUES (:id, :data)");
        }
        query.bind(":id", batch.text);
        query.bind(":data", JSON.stringify(data));
        query.exec();
        editingstack.setCurrentIndex(0);
        saved = false;
        deletebutton.enabled = false;
    });
    deletebutton.clicked.connect(function() {
        if(saved) {
            var query = QSqlQuery();
            query.prepare("DELETE FROM scheduled_roasts WHERE id = :id");
            query.bind(":id", Number(batch.text));
            query.exec();
            query = query.invalidate();
        }
        editingstack.setCurrentIndex(0);
        saved = false;
        deletebutton.enabled = false;
    });
    var notifier = Application.subscribe("scheduledroastschange");
    notifier.notify.connect(function() {
        batches.setQuery("SELECT id, (SELECT name FROM items WHERE id = (data#>>'{roasted}')::numeric), (data#>>'{green_weight}')::numeric FROM scheduled_roasts WHERE machine IS NULL");
    });
]]>
    </program>
</window>