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HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("application/pdf"); response.setHeader("Content-Disposition", Specifies filename "inline; filename=\"your.pdf\""); of resulting PDF try { FdfReader fdf Reads FDF = new FdfReader(request.getInputStream()); from request InputStream is = getServletContext().getResourceAsStream("/subscribe.pdf"); PdfReader reader = new PdfReader(is, null); ByteArrayOutputStream baos = new ByteArrayOutputStream(); PdfStamper stamper = new PdfStamper(reader, baos); Uses shortcut AcroFields fields = stamper.getAcroFields(); to set fields fields.setFields(fdf); stamper.setFormFlattening(true); try { Image img = Image.getInstance( Gets uploaded fdf.getAttachedFile("image")); file from FDF img.scaleToFit(100, 100); img.setAbsolutePosition(90, 590); stamper.getOverContent(1).addImage(img); } catch(IOException ioe) { ColumnText.showTextAligned(stamper.getOverContent(1), Element.ALIGN_LEFT, new Phrase("No image posted!"), 90, 660, 0); } stamper.close(); OutputStream os = response.getOutputStream(); baos.writeTo(os); os.flush(); } catch (DocumentException e) { throw new IOException(e.getMessage()); }

The shopping_cart_save_product_for_later function saves a shopping cart product to the Save for Later list so the visitor can buy it later (the product isn t sent to checkout when placing the order). This is done by setting the value of the buy_now field to false. 10. Use the query tool to execute this code, which creates the shopping_cart_move_product_to_cart function in your hatshop database: -- Create shopping_cart_move_product_to_cart function CREATE FUNCTION shopping_cart_move_product_to_cart(CHAR(32), INTEGER) RETURNS VOID LANGUAGE plpgsql AS $$ DECLARE inCartId ALIAS FOR $1; inProductId ALIAS FOR $2; BEGIN UPDATE shopping_cart SET buy_now = true, added_on = NOW() WHERE cart_id = inCartId AND product_id = inProductId; END; $$; The shopping_cart_move_product_to_cart function sets a product s buy_now state to true, so the visitor can buy the product when placing the order.

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4. Click Show Feature Descriptions in ScreenTips to see the command names and descriptions in the tips, or click Don t Show Feature Descriptions in ScreenTips to see only the command names. 5. Click OK to close the Excel Options dialog box.

In the doGet() part of listing 9.9, you add a submit button and a text field that will act as an <input type="File"> field in an HTML form. You also add an additional action that opens a browse for file dialog box. That way, the end user doesn t have to enter the file path manually. The doPost() method is more interesting. In listing 9.7, you sent the FDF bytes back to the browser; now you use them to create an instance of FdfReader B. You could use FdfReader to retrieve the data with the getFieldValue() method. For instance,

fields.setField("personal.name", fdf.getField("personal.name"));

To implement the business tier, you ll need to create the usual methods that call the data object layer methods you ve just written, and you ll add some new ones that manage business logic.

But it s easier to set the fields all at once with the setFields() method C. This method loops over all the fields in the FDF document and sets the value of the corresponding fields in the AcroForm. D demonstrates how easy it is to extract the uploaded file from the FDF stream. You use it to create an Image that will be added to the form.

If contextual tips do not appear when you point to a cell in a pivot table, the feature may have been turned off for that pivot table. Follow these steps to turn the contextual tips feature on: 1. Right-click a cell in the pivot table, and click PivotTable Options. 2. On the Display tab, add a check mark to Show Contextual Tooltips. 3. Click OK to close the PivotTable Options dialog box.

NOTE This example combines PdfStamper with PdfImportedPage. All the interactive features present in the document that s being manipulated with PdfStamper are preserved, but the interactive features that were present on the page that s being imported are lost.

1. First, add the following two lines at the end of your include/config.php file. These constants are used to differentiate between current shopping cart items and items that are saved for later: // Shopping cart item types define('GET_CART_PRODUCTS', 1); define('GET_CART_SAVED_PRODUCTS', 2); 2. Include a reference to shopping_cart.php in include/app_top.php: // Load Business Tier require_once BUSINESS_DIR . 'catalog.php'; require_once BUSINESS_DIR . 'shopping_cart.php'; 3. Create a new file called shopping_cart.php in the business folder. Add the following code to the file, and then we ll comment on it in the How It Works section:

As discussed in the introduction of this chapter, PDF isn t a format that can be used for word processing. You can t insert a couple of lines between two existing paragraphs on a page. You can only insert complete pages. That s what you re going to do in the next example.