Examples of net.xoetrope.xui.data.XModel

net.xoetrope.xui.data.XModel
The XModel is designed to support an MVC like structure. The model allows data to be maintained separately from UI code and separately from the control logic. The model supports an XPath like way of naming nodes and accessing data. The model is hierarchical and therefore a variety of data can be stored including simple scalar values to vectors and arrays. The model can be supplemented by adding custom node types and by using adapters and bindings.
The XModel is one of the main ideas behind XUI and central to providing the clean separation of the data. The XUI UI components can be abstractly bound to the model as instances of XModel although the actual nodes may be implemented by a range of classes representing tables or lists of even more complex nodes. All the UI component need know the path to the node in the model.
In some cases an adapter is used to simplify access to the data and perhaps maintain additional information needed by the UI component (e.g. the selected value in a list).
Copyright (c) Xoetrope Ltd., 1998-2003
License: see license.txt @version $Revision: 2.4 $

            // we will auto-refresh when unlocked
            return;
        }


        PosTransaction tx = PosTransaction.getCurrentTx(pos.getSession());
        XModel jmodel = this.createModel();
        if (tx != null && !tx.isEmpty()) {
            tx.appendItemDataModel(jmodel);
            this.appendEmpty(jmodel);
            tx.appendTotalDataModel(jmodel);
            if (tx.selectedPayments() > 0) {

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        }
        //Debug.logInfo(getModelText(jmodel), module);
    }


    private XModel createModel() {
        XModel jmodel = (XModel)currentProject.getModel().get("table/items");
        // clear the list
        jmodel.clear();


        if (field.length == 0) {
            return null;
        }
        jmodel.setTagName("table");
        // create the header
        XModel headerNode = appendNode(jmodel, "th", "header", "");
        for (int i = 0 ; i < field.length; i++) {
            appendNode(headerNode, "td", field[i],UtilProperties.getMessage(PosTransaction.resource,name[i],defaultLocale));
        }


        return jmodel;

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        return jmodel;
    }


    private void appendEmpty(XModel jmodel) {
        XModel headerNode = appendNode(jmodel, "tr", "emptyrow", "");
        for (int i = 0 ; i < field.length; i++) {
            appendNode(headerNode, "td", field[i], "");
        }
    }

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            appendNode(headerNode, "td", field[i], "");
        }
    }


    public static XModel appendNode(XModel node, String tag, String name, String value) {
        XModel newNode = (XModel) node.append(name);
        newNode.setTagName(tag);
        if (value != null) {
            newNode.set(value);
        }
        return newNode;
    }

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                BigDecimal quantity = item.getQuantity();
                BigDecimal unitPrice = item.getBasePrice();
                BigDecimal subTotal = unitPrice.multiply(quantity);
                BigDecimal adjustment = item.getOtherAdjustments();


                XModel line = Journal.appendNode(model, "tr", ""+cart.getItemIndex(item), "");
                Journal.appendNode(line, "td", "sku", item.getProductId());
                Journal.appendNode(line, "td", "desc", item.getName());
                Journal.appendNode(line, "td", "qty", UtilFormatOut.formatQuantity(quantity));
                Journal.appendNode(line, "td", "price", UtilFormatOut.formatPrice(subTotal));
                Journal.appendNode(line, "td", "index", Integer.toString(cart.getItemIndex(item)));


                if (this.isAggregatedItem(item.getProductId())) {
                    // put alterations here
                    ProductConfigWrapper pcw = null;
                    // product = delegator.findByPrimaryKeyCache("Product", UtilMisc.toMap("productId", productId));
                    // pcw = new ProductConfigWrapper(delegator, session.getDispatcher(), productId, null, null, null, null, null, null);
                    pcw = item.getConfigWrapper();
                    List<ConfigOption> selected = pcw.getSelectedOptions();
                    for (ConfigOption configoption : selected) {
                        if (configoption.isSelected()) {
                            XModel option = Journal.appendNode(model, "tr", ""+cart.getItemIndex(item), "");
                            Journal.appendNode(option, "td", "sku", "");
                            Journal.appendNode(option, "td", "desc", configoption.getDescription());
                            Journal.appendNode(option, "td", "qty", "");
                            Journal.appendNode(option, "td", "price", UtilFormatOut.formatPrice(configoption.getPrice()));
                            Journal.appendNode(option, "td", "index", Integer.toString(cart.getItemIndex(item)));
                        }
                    }
                }


                if (adjustment.compareTo(BigDecimal.ZERO) != 0) {
                    // append the promo info
                    XModel promo = Journal.appendNode(model, "tr", "itemadjustment", "");
                    Journal.appendNode(promo, "td", "sku", "");
                    Journal.appendNode(promo, "td", "desc", UtilProperties.getMessage(resource, "PosItemDiscount", locale));
                    Journal.appendNode(promo, "td", "qty", "");
                    Journal.appendNode(promo, "td", "price", UtilFormatOut.formatPrice(adjustment));
                }

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            }


            for (GenericValue orderAdjustment : adjustments) {
                BigDecimal amount = orderAdjustment.getBigDecimal("amount");
                BigDecimal sourcePercentage = orderAdjustment.getBigDecimal("sourcePercentage");
                XModel adjustmentLine = Journal.appendNode(model, "tr", "adjustment", "");
                Journal.appendNode(adjustmentLine, "td", "sku", "");
                Journal.appendNode(adjustmentLine, "td", "desc",
                        UtilProperties.getMessage(resource, "PosSalesDiscount", locale));
                if (UtilValidate.isNotEmpty(amount)) {
                    Journal.appendNode(adjustmentLine, "td", "qty", "");
                    Journal.appendNode(adjustmentLine, "td", "price", UtilFormatOut.formatPrice(amount));
                } else if (UtilValidate.isNotEmpty(sourcePercentage)) {
                    BigDecimal percentage = sourcePercentage.movePointLeft(2).negate(); // sourcePercentage is negative and must be show as a positive value (it's a discount not an amount)
                    Journal.appendNode(adjustmentLine, "td", "qty", UtilFormatOut.formatPercentage(percentage));
                    amount = cart.getItemTotal().add(itemsAdjustmentsAmount).multiply(percentage); // itemsAdjustmentsAmount is negative
                    Journal.appendNode(adjustmentLine, "td", "price", UtilFormatOut.formatPrice(amount.negate())); // amount must be shown as a negative value
                }
                Journal.appendNode(adjustmentLine, "td", "index", "-1");
            }


            XModel taxLine = Journal.appendNode(model, "tr", "tax", "");
            Journal.appendNode(taxLine, "td", "sku", "");


            Journal.appendNode(taxLine, "td", "desc", UtilProperties.getMessage(resource, "PosSalesTax", locale));
            Journal.appendNode(taxLine, "td", "qty", "");
            Journal.appendNode(taxLine, "td", "price", UtilFormatOut.formatPrice(taxAmount));
            Journal.appendNode(taxLine, "td", "index", "-1");


            XModel totalLine = Journal.appendNode(model, "tr", "total", "");
            Journal.appendNode(totalLine, "td", "sku", "");
            Journal.appendNode(totalLine, "td", "desc", UtilProperties.getMessage(resource, "PosGrandTotal", locale));
            Journal.appendNode(totalLine, "td", "qty", "");
            Journal.appendNode(totalLine, "td", "price", UtilFormatOut.formatPrice(total));
            Journal.appendNode(totalLine, "td", "index", "-1");

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                    amount = cart.getGrandTotal().subtract(cart.getPaymentTotal());
                } else {
                    amount = inf.amount;
                }


                XModel paymentLine = Journal.appendNode(model, "tr", Integer.toString(i), "");
                Journal.appendNode(paymentLine, "td", "sku", "");
                Journal.appendNode(paymentLine, "td", "desc", descString);
                Journal.appendNode(paymentLine, "td", "qty", "-");
                Journal.appendNode(paymentLine, "td", "price", UtilFormatOut.formatPrice(amount.negate()));
                Journal.appendNode(paymentLine, "td", "index", Integer.toString(i));

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    public void appendChangeDataModel(XModel model) {
        if (cart != null) {
            BigDecimal changeDue = this.getTotalDue().negate();
            if (changeDue.compareTo(BigDecimal.ZERO) >= 0) {
                XModel changeLine = Journal.appendNode(model, "tr", "", "");
                Journal.appendNode(changeLine, "td", "sku", "");
                Journal.appendNode(changeLine, "td", "desc", "Change");
                Journal.appendNode(changeLine, "td", "qty", "-");
                Journal.appendNode(changeLine, "td", "price", UtilFormatOut.formatPrice(changeDue));
            }

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                BigDecimal quantity = item.getQuantity();
                BigDecimal unitPrice = item.getBasePrice();
                BigDecimal subTotal = unitPrice.multiply(quantity);
                BigDecimal adjustment = item.getOtherAdjustments();


                XModel line = Journal.appendNode(model, "tr", ""+cart.getItemIndex(item), "");
                Journal.appendNode(line, "td", "sku", item.getProductId());
                Journal.appendNode(line, "td", "desc", item.getName());
                Journal.appendNode(line, "td", "qty", UtilFormatOut.formatQuantity(quantity));
                Journal.appendNode(line, "td", "price", UtilFormatOut.formatPrice(subTotal));
                Journal.appendNode(line, "td", "index", Integer.toString(cart.getItemIndex(item)));


                if (this.isAggregatedItem(item.getProductId())) {
                    // put alterations here
                    ProductConfigWrapper pcw = null;
                    // product = delegator.findByPrimaryKeyCache("Product", UtilMisc.toMap("productId", productId));
                    // pcw = new ProductConfigWrapper(delegator, session.getDispatcher(), productId, null, null, null, null, null, null);
                    pcw = item.getConfigWrapper();
                    List<ConfigOption> selected = pcw.getSelectedOptions();
                    for (ConfigOption configoption : selected) {
                        if (configoption.isSelected()) {
                            XModel option = Journal.appendNode(model, "tr", ""+cart.getItemIndex(item), "");
                            Journal.appendNode(option, "td", "sku", "");
                            Journal.appendNode(option, "td", "desc", configoption.getDescription());
                            Journal.appendNode(option, "td", "qty", "");
                            Journal.appendNode(option, "td", "price", UtilFormatOut.formatPrice(configoption.getPrice()));
                            Journal.appendNode(option, "td", "index", Integer.toString(cart.getItemIndex(item)));
                        }
                    }
                }


                if (adjustment.compareTo(BigDecimal.ZERO) != 0) {
                    // append the promo info
                    XModel promo = Journal.appendNode(model, "tr", "itemadjustment", "");
                    Journal.appendNode(promo, "td", "sku", "");
                    Journal.appendNode(promo, "td", "desc", UtilProperties.getMessage(resource, "PosItemDiscount", locale));
                    Journal.appendNode(promo, "td", "qty", "");
                    Journal.appendNode(promo, "td", "price", UtilFormatOut.formatPrice(adjustment));
                }

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            }


            for (GenericValue orderAdjustment : adjustments) {
                BigDecimal amount = orderAdjustment.getBigDecimal("amount");
                BigDecimal sourcePercentage = orderAdjustment.getBigDecimal("sourcePercentage");
                XModel adjustmentLine = Journal.appendNode(model, "tr", "adjustment", "");
                Journal.appendNode(adjustmentLine, "td", "sku", "");
                Journal.appendNode(adjustmentLine, "td", "desc",
                        UtilProperties.getMessage(resource, "PosSalesDiscount", locale));
                if (UtilValidate.isNotEmpty(amount)) {
                    Journal.appendNode(adjustmentLine, "td", "qty", "");
                    Journal.appendNode(adjustmentLine, "td", "price", UtilFormatOut.formatPrice(amount));
                } else if (UtilValidate.isNotEmpty(sourcePercentage)) {
                    BigDecimal percentage = sourcePercentage.movePointLeft(2).negate(); // sourcePercentage is negative and must be show as a positive value (it's a discount not an amount)
                    Journal.appendNode(adjustmentLine, "td", "qty", UtilFormatOut.formatPercentage(percentage));
                    amount = cart.getItemTotal().add(itemsAdjustmentsAmount).multiply(percentage); // itemsAdjustmentsAmount is negative
                    Journal.appendNode(adjustmentLine, "td", "price", UtilFormatOut.formatPrice(amount.negate())); // amount must be shown as a negative value
                }
                Journal.appendNode(adjustmentLine, "td", "index", "-1");
            }


            XModel taxLine = Journal.appendNode(model, "tr", "tax", "");
            Journal.appendNode(taxLine, "td", "sku", "");


            Journal.appendNode(taxLine, "td", "desc", UtilProperties.getMessage(resource, "PosSalesTax", locale));
            Journal.appendNode(taxLine, "td", "qty", "");
            Journal.appendNode(taxLine, "td", "price", UtilFormatOut.formatPrice(taxAmount));
            Journal.appendNode(taxLine, "td", "index", "-1");


            XModel totalLine = Journal.appendNode(model, "tr", "total", "");
            Journal.appendNode(totalLine, "td", "sku", "");
            Journal.appendNode(totalLine, "td", "desc", UtilProperties.getMessage(resource, "PosGrandTotal", locale));
            Journal.appendNode(totalLine, "td", "qty", "");
            Journal.appendNode(totalLine, "td", "price", UtilFormatOut.formatPrice(total));
            Journal.appendNode(totalLine, "td", "index", "-1");

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