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Book of Vaadin

10.5.2. Page Length and Cache Size ......................................................	270
10.5.3. Refreshing the Container ............................................................	270
10.5.4. Cache Flush Notification Mechanism ...........................................	271
10.6. Referencing Another SQLContainer ......................................................	271
10.7. Using FreeformQuery and FreeformStatementDelegate .......................	272
10.8. Non-implemented methods of Vaadin container interfaces .......................	273
10.9. Known Issues and Limitations ................................................................	274
Chapter 11. Advanced Web Application Topics ....................................................	277
11.1. Handling Browser Windows ...................................................................	278
11.1.1. Opening Popup Windows ............................................................	278
11.2. Embedding UIs in Web Pages ................................................................	280
11.2.1. Embedding Inside a div Element ................................................	280
11.2.2. Embedding Inside an iframe Element ........................................	285
11.2.3. Cross-Site Embedding with the Vaadin XS Add-on .......................	287
11.3. Debug and Production Mode ..................................................................	287
11.3.1. Debug Mode ..............................................................................	288
11.3.2. Analyzing Layouts ......................................................................	288
11.3.3. Custom Layouts .........................................................................	289
11.3.4. Debug Functions for Component Developers ................................	289
11.4. Request Handlers .................................................................................	289
11.5. Shortcut Keys .......................................................................................	290
11.5.1. Click Shortcuts for Default Buttons ...............................................	290
11.5.2. Field Focus Shortcuts .................................................................	291
11.5.3. Generic Shortcut Actions ............................................................	291
11.5.4. Supported Key Codes and Modifier Keys .....................................	293
11.6. Printing .................................................................................................	294
11.6.1. Printing the Browser Window .......................................................	294
11.6.2. Opening a Print Window .............................................................	294
11.6.3. Printing PDF ..............................................................................	295
11.7. Google App Engine Integration ..............................................................	296
11.8. Common Security Issues .......................................................................	297
11.8.1. Sanitizing User Input to Prevent Cross-Site Scripting ....................	297
11.9. Navigating in an Application ...................................................................	297
11.9.1. Setting Up for Navigation ............................................................	298
11.9.2. Implementing a View ..................................................................	299
11.9.3. Handling URI Fragment Path .......................................................	299
11.10. URI Fragment and History Management with UriFragmentUtility ..........	302
11.11. Drag and Drop ....................................................................................	304
11.11.1. Handling Drops ........................................................................	304
11.11.2. Dropping Items On a Tree .........................................................	305
11.11.3. Dropping Items On a Table .......................................................	307
11.11.4. Accepting Drops .......................................................................	307
11.11.5. Dragging Components ..............................................................	310
11.11.6. Dropping on a Component ........................................................	311
11.11.7. Dragging Files from Outside the Browser ...................................	312
11.12. Logging ..............................................................................................	312
11.13. JavaScript Interaction ..........................................................................	313
11.13.1. Calling JavaScript .....................................................................	313
11.13.2. Handling JavaScript Function Callbacks .....................................	314
11.14. Accessing Session-Global Data ...........................................................	315
11.14.1. Passing References Around ......................................................	316
11.14.2. Overriding attach() ...............................................................	316
11.14.3. ThreadLocal Pattern .................................................................	317

Book of Vaadin

Chapter 12. Portal Integration ..............................................................................	319
12.1. Deploying to a Portal .............................................................................	319
12.2. Creating a Portal Application Project in Eclipse .......................................	320
12.3. Portlet Deployment Descriptors ..............................................................	322
12.4. Portlet Hello World ................................................................................	327
12.5. Installing Vaadin in Liferay ......................................................................	327
12.5.1. Removing the Bundled Installation ...............................................	328
12.5.2. Installing Vaadin .........................................................................	328
12.6. Handling Portlet Requests .....................................................................	329
12.7. Handling Portlet Mode Changes .............................................................	330
12.8. Non-Vaadin Portlet Modes .....................................................................	332
12.9. Vaadin IPC for Liferay ............................................................................	335
12.9.1. Installing the Add-on ...................................................................	336
12.9.2. Basic Communication .................................................................	337
12.9.3. Considerations ...........................................................................	337
12.9.4. Communication Through Session Attributes .................................	338
12.9.5. Serializing and Encoding Data ....................................................	339
12.9.6. Communicating with Non-Vaadin Portlets .....................................	340
Part III. Client-Side Framework .......................................................................................	341
Chapter 13. Client-Side Vaadin Development .......................................................	343
13.1. Overview ..............................................................................................	343
13.2. Installing the Client-Side Development Environment ................................	344
13.3. Client-Side Module Descriptor ................................................................	344
13.3.1. Specifying a Stylesheet ...............................................................	344
13.3.2. Limiting Compilation Targets ........................................................	345
13.4. Compiling a Client-Side Module .............................................................	345
13.4.1. Vaadin Compiler Overview ..........................................................	345
13.4.2. Compiling in Eclipse ...................................................................	346
13.4.3. Compiling with Ant ......................................................................	346
13.4.4. Compiling with Maven .................................................................	346
13.5. Creating a Custom Widget .....................................................................	346
13.5.1. A Basic Widget ...........................................................................	346
13.5.2. Using the Widget ........................................................................	347
13.6. Debugging Client-Side Code ..................................................................	347
13.6.1. Launching Development Mode ....................................................	348
13.6.2. Launching SuperDevMode ..........................................................	348
Chapter 14. Client-Side Applications ...................................................................	351
14.1. Overview ..............................................................................................	351
14.2. Client-Side Module Entry-Point ..............................................................	353
14.2.1. Module Descriptor ......................................................................	353
14.3. Compiling and Running a Client-Side Application ....................................	354
14.4. Loading a Client-Side Application ...........................................................	354
Chapter 15. Client-Side Widgets ..........................................................................	357
15.1. Overview ..............................................................................................	357
15.2. GWT Widgets .......................................................................................	358
15.3. Vaadin Widgets .....................................................................................	358
Chapter 16. Integrating with the Server-Side .......................................................	359
16.1. Overview ..............................................................................................	359
16.2. Starting It Simple With Eclipse ...............................................................	361
16.2.1. Creating a Widget .......................................................................	361

vii

Book of Vaadin

16.2.2. Compiling the Widget Set ............................................................	363
16.3. Creating a Server-Side Component ........................................................	364
16.3.1. Basic Server-Side Component ....................................................	364
16.4. Integrating the Two Sides with a Connector .............................................	364
16.4.1. A Basic Connector ......................................................................	365
16.4.2. Communication with the Server-Side ...........................................	365
16.5. Shared State ........................................................................................	366
16.5.1. Accessing Shared State on Server-Side ......................................	366
16.5.2. Handing Shared State in a Connector ..........................................	366
16.5.3. Referring to Components in Shared State ....................................	367
16.5.4. Sharing Resources .....................................................................	367
16.6. RPC Calls Between Clientand Server-Side ...........................................	368
16.6.1. RPC Calls to the Server-Side ......................................................	368
16.7. Component and UI Extensions ...............................................................	369
16.7.1. Server-Side Extension API ..........................................................	370
16.7.2. Extension Connectors .................................................................	370
16.8. Styling a Widget ....................................................................................	371
16.8.1. Determining the CSS Class .........................................................	371
16.8.2. Default Stylesheet ......................................................................	372
16.9. Component Containers ..........................................................................	372
16.10. Creating Add-ons ................................................................................	372
16.10.1. Exporting Add-on in Eclipse ......................................................	373
16.10.2. Building Add-on with Ant ...........................................................	373
16.11. Migrating from Vaadin 6 .......................................................................	377
16.11.1. Quick (and Dirty) Migration ........................................................	378
16.12. Integrating JavaScript Components and Extensions ...............................	378
16.12.1. Example JavaScript Library .......................................................	378
16.12.2. A Server-Side API for a JavaScript Component ..........................	379
16.12.3. Defining a JavaScript Connector ................................................	381
16.12.4. RPC from JavaScript to Server-Side ..........................................	381
Part IV. Vaadin Add-ons .................................................................................................	383
Chapter 17. Using Vaadin Add-ons ......................................................................	385
17.1. Overview ..............................................................................................	385
17.2. Downloading Add-ons from Vaadin Directory ...........................................	386
17.2.1. Compiling Widget Sets with an Ant Script .....................................	386
17.3. Installing Add-ons in Eclipse with Ivy ......................................................	386
17.4. Using Add-ons in a Maven Project ..........................................................	388
17.4.1. Adding a Dependency ................................................................	388
17.4.2. Compiling the Project Widget Set ................................................	389
17.4.3. Enabling Widget Set Compilation .................................................	390
17.5. Troubleshooting .....................................................................................	391
Chapter 18. Vaadin Calendar ...............................................................................	393
18.1. Overview ..............................................................................................	393
18.2. Installing Calendar ................................................................................	396
18.3. Basic Use .............................................................................................	396
18.3.1. Setting the Date Range ...............................................................	396
18.3.2. Adding and Managing Events ......................................................	396
18.3.3. Getting Events from a Container ..................................................	397
18.4. Implementing an Event Provider .............................................................	399
18.4.1. Custom Events ...........................................................................	399
18.4.2. Implementing the Event Provider .................................................	401
18.5. Configuring the Appearance ..................................................................	401

viii

Book of Vaadin

18.5.1. Sizing ........................................................................................	401
18.5.2. Styling .......................................................................................	401
18.5.3. Visible Hours and Days ...............................................................	403
18.6. Drag and Drop ......................................................................................	403
18.7. Using the Context Menu ........................................................................	404
18.8. Localization and Formatting ...................................................................	405
18.8.1. Setting the Locale and Time Zone ...............................................	405
18.8.2. Time and Date Caption Format ....................................................	405
18.9. Customizing the Calendar ......................................................................	405
18.9.1. Overview of Handlers .................................................................	405
18.9.2. Creating a Calendar ...................................................................	406
18.9.3. Backward and Forward Navigation ...............................................	406
18.9.4. Date Click Handling ....................................................................	407
18.9.5. Handling Week Clicks .................................................................	407
18.9.6. Handling Event Clicks .................................................................	408
18.9.7. Event Dragging ..........................................................................	408
18.9.8. Handling Drag Selection .............................................................	409
18.9.9. Resizing Events .........................................................................	410
Chapter 19. Vaadin Charts ...................................................................................	411
19.1. Overview ..............................................................................................	411
19.2. Installing Vaadin Charts .........................................................................	413
19.3. Basic Use .............................................................................................	414
19.3.1. Displaying Multiple Series ...........................................................	415
19.3.2. Mixed Type Charts ......................................................................	416
19.3.3. Chart Themes ............................................................................	417
19.4. Chart Types ..........................................................................................	417
19.4.1. Line and Spline Charts ...............................................................	417
19.4.2. Area Charts ...............................................................................	417
19.4.3. Column and Bar Charts ..............................................................	418
19.4.4. Scatter Charts ............................................................................	419
19.4.5. Pie Charts .................................................................................	421
19.4.6. Gauges .....................................................................................	423
19.4.7. Area and Column Range Charts ..................................................	424
19.4.8. Polar, Wind Rose, and Spiderweb Charts .....................................	425
19.5. Chart Configuration ...............................................................................	427
19.5.1. Plot Options ...............................................................................	427
19.5.2. Axes ..........................................................................................	427
19.5.3. Legend ......................................................................................	428
19.6. Chart Data ............................................................................................	429
19.6.1. List Series ..................................................................................	429
19.6.2. Generic Data Series ...................................................................	429
19.6.3. Range Series .............................................................................	430
19.6.4. Container Data Series ................................................................	431
19.7. Advanced Uses .....................................................................................	432
19.7.1. Server-Side Rendering and Exporting ..........................................	432
Chapter 20. Vaadin Timeline .................................................................................	435
20.1. Overview ..............................................................................................	435
20.2. Using Timeline ......................................................................................	439
20.2.1. Data Source Requirements .........................................................	439
20.2.2. Events and Listeners ..................................................................	441
20.2.3. Configurability ............................................................................	441
20.2.4. Localization ................................................................................	442

Book of Vaadin

20.3. Code example .......................................................................................	442
20.3.1. Prerequisites ..............................................................................	442
20.3.2. Create the data sources ..............................................................	444
20.3.3. Create the Vaadin Timeline .........................................................	447
20.3.4. Final Touches .............................................................................	448
Chapter 21. Vaadin JPAContainer ........................................................................	451
21.1. Overview ..............................................................................................	451
21.2. Installing ...............................................................................................	453
21.2.1. Downloading the Package ...........................................................	454
21.2.2. Installation Package Content .......................................................	454
21.2.3. Downloading with Maven ............................................................	455
21.2.4. Including Libraries in Your Project ................................................	455
21.2.5. Persistence Configuration ...........................................................	455
21.2.6. Troubleshooting ..........................................................................	457
21.3. Defining a Domain Model .......................................................................	458
21.3.1. Persistence Metadata .................................................................	458
21.4. Basic Use of JPAContainer ....................................................................	461
21.4.1. Creating JPAContainer with JPAContainerFactory .....................	461
21.4.2. Creating and Accessing Entities ..................................................	463
21.4.3. Nested Properties ......................................................................	464
21.4.4. Hierarchical Container ................................................................	465
21.5. Entity Providers .....................................................................................	466
21.5.1. Built-In Entity Providers ...............................................................	466
21.5.2. Using JNDI Entity Providers in JEE6 Environment ........................	467
21.5.3. Entity Providers as Enterprise Beans ...........................................	468
21.6. Filtering JPAContainer ..........................................................................	469
21.7. Querying with the Criteria API ................................................................	469
21.7.1. Filtering the Query ......................................................................	470
21.7.2. Compatibility ..............................................................................	470
21.8. Automatic Form Generation ...................................................................	470
21.8.1. Configuring the Field Factory ......................................................	471
21.8.2. Using the Field Factory ...............................................................	471
21.8.3. Master-Detail Editor ....................................................................	473
21.9. Using JPAContainer with Hibernate ........................................................	473
21.9.1. Lazy loading ..............................................................................	473
21.9.2. The EntityManager-Per-Request pattern ......................................	473
21.9.3. Joins in Hibernate vs EclipseLink ................................................	474
Chapter 22. Mobile Applications with TouchKit ...................................................	475
22.1. Overview ..............................................................................................	475
22.2. Considerations Regarding Mobile Browsing ............................................	478
22.2.1. Mobile Human Interface ..............................................................	478
22.2.2. Bandwidth ..................................................................................	478
22.2.3. Mobile Features .........................................................................	479
22.2.4. Compatibility ..............................................................................	479
22.3. Installing Vaadin TouchKit ......................................................................	479
22.3.1. Installing the Zip Package ...........................................................	479
22.3.2. Installing in Maven ......................................................................	480
22.3.3. Importing the Vornitologist Demo .................................................	481
22.4. Elements of a TouchKit Application .........................................................	481
22.4.1. Deployment Descriptor ...............................................................	481
22.4.2. Creating a Custom Servlet ..........................................................	482
22.4.3. TouchKit Settings ........................................................................	482

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