SAP Web Dynpro i. About the Tutorial. SAP Web Dynpro is a standard SAP UI technology to develop web applications using graphical tools and development. Here is a simple web dynpro application to show the use of UI Element ' Interactiveform' and thus importing and displaying an adobe pdf file. Can anyone please provide me the study material for WEBDYNPRO ABAP other than following

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From a technological point of view, SAP's Web Dynpro for Java and ABAP is a ABAP Web Dynpro has been available since SAP NetWeaver (SAP. Case Study: Tracing through the Web Dynpro Phase. Model. .. Integrating PDF Forms with the InteractiveForm Element Creating layout from an existing PDF file and capture the values into Web Dynpro attributes (WebDynpro for ABAP). By Sri Lakshmi Lavanya Koduganti, CSC.

Choose the Web Dynpro Explorer tab. From now on, the Web Dynpro Explorer is your main starting point for all further development activities. Next step: Creating a Web Dynpro Component [Page 7] Creating a Web Dynpro Component The project structure you have created does not yet include all those elements that will enable you to define the specific functions of a application.

These additional elements are encapsulated in a Web Dynpro component. Thus, before you move on to defining the layout, navigation, event handlers, and so on, you must start by creating a Web Dynpro Component explicitly. To open the wizard, choose Create Web Dynpro Component.

Enter the name WelcomeComponent for your Web Dynpro component and specify the package name such as com. Enter StartView for the view name. Accept the other suggested values and choose Finish. Save the new project data by choosing the icon from the toolbar. Once it has finished, it automatically opens the Data Modeler view on the right pane and inserts an additional substructure for the new Web Dynpro component WelcomeComponent in the Web Dynpro Explorer.

Since our Web Dynpro component possesses views, which provide a visual representation of the application, a Window containing the initial view is also created. Provided you accepted the default settings in step 5, the window has the same name as the component WelcomeComponent.

Next step: Creating Views [Page 9] Creating further Views Users need elements within the user interface to interact with the application. The Web Dynpro concept allows you to split the user interface into an arrangement of views.

You can think of each of these views as an entity encompassing the elements of a UI that belong together. You will split the user interface of the Welcome application into two views, the StartView which was just created in the last step and the ResultView.

Double-click the window node WelcomeComponent to start the Diagram View of the standard window. Choose the icon for Embed View from the palette on the left of the screen. Position the cursor within the diagram pane and drag a rectangle area to the required size.

In the wizard that appears, select the Embed new View option and choose Next. Enter the name ResultView for the view you are about to create and choose Finish. Result The diagram pane displays two areas representing the two views. In this case, the first view you created, the StartView is displayed as the active view dark blue area. When the Web Dynpro application is launched, the active view is always accessed.

Next step: Specifying the Navigation Schema [Page 10] Specifying the Navigation Schema To define the navigation between the views, you need to create exit and entry points for each view using outbound and inbound plugs. Only then you can specify the navigation flow using navigation links. The structure of your Welcome project is currently displayed in the Web Dynpro Explorer. Procedure The following procedure is split into two parts. First you create the outbound and inbound plugs for both views.

You then connect them using navigation links. Creating outbound and inbound plugs If you have not already done so, find Windows in the tree structure, and double-click the WelcomeComponent node. The Diagram View appears with two rectangles representing the two views. Select the rectangle for the first view, StartView, and open the context menu. Choose Create Outbound Plug.

The appropriate wizard appears. Enter a name for your outbound plug, such as ToResultView, and choose Finish. Select the rectangle for the second view, ResultView, and open the context menu. Choose Create Inbound Plug. Enter a name for your inbound plug, such as FromStartView, leave the default settings for the event handler unchanged and choose Finish.

Calling a smartform PDF output from the Webdynpro application

You have thus created the exit and corresponding entry point for navigation from the active StartView to the ResultView. These two plugs are displayed as shown below: 8. You have thus created the exit and entry points for navigation back from the ResultView to the StartView.

To create a link for navigation from the first view to the second, select the icon Create Link from the palette on the left of the screen and draw the line from the outbound plug of the StartView to the inbound plug of the ResultView.

Similarly, to create the navigation link back from the second to the first view. Result You have defined the navigation schema between the two views in the Web Dynpro application. In the documentation that follows, you will implement the event handler onPlugFromStartView, so that it generates a text dynamically when the user navigates to the ResultView. In the next step, you will move on to defining appropriate actions for navigation.

You then need to implement the event handler, which reacts to this action and triggers a view change by firing an outbound plug. Choose the Actions tab. Choose the New pushbutton. You can create a new action in the wizard that appears. Enter the name Go for this new action. In the field Text enter Go for the text to be displayed on all UI-elements with events bound to this action. Leave the Event handler option unchanged.

The new action, Go, and its associated event handler onActionGo are displayed in the list of actions. Repeat the above steps as appropriate to create the Back action for the ResultView, this time assigning the plug ToStartView as a Fire plug and entering Back in the Text field. Save the new metadata by choosing the icon Save All Metadata from the toolbar.

Result You have created the Go and Back actions. The implementation of the navigation was automatically inserted to the associated event handlers. To check the generated source code for event handler onActionGo , choose the Implementation tab for the StartView.

The method contains only the single line wdThis. The predefined private variable wdThis is used for this method call. To check the generated source code for event handler onActionBack , choose the Implementation tab for the ResultView. You will add UI elements to the two views according to the UI template [Page 1] and then assign the appropriate element attributes.

Prerequisites You have created the necessary actions, Go and Back. Procedure Designing a layout for the StartView. If you have not already done so, launch the View Designer by double-clicking the StartView node in the project structure.

Simultaneously, the Outline view displays a list of the UI elements included. All the UI elements are arranged under a root node and are represented in order in the tree in the layout. If you select an element in the Outline view or on the Layout tab, its associated element properties are shown in the Properties view — provided you have previously selected the Properties tab that is at the bottom of your screen.

Choose the root element RootUIElementContainer in the Outline view and give it the following properties: Property Value layout GridLayout cellPadding 5 colCount 3 You cannot change all the values for element properties by editing them directly in the associated Value column.

The values are often predefined and can be selected from a dropdown box to the right of the Value column.

Alternatively, you can access the predefined values using the arrow button and confirm the value chosen using Enter. Enter the Id label, choose the type Label; then choose Finish.

Web Dynpro for ABAP (WDA, WD4A, WDF4A)

Now open the ResultView in the View Designer. Choose the DefaultTextView that has been generated and give it the following properties: Property Value Design header2 Text Delete the generated default value and leave this property blank. You will find out how to populate this value using the data binding and will declare the value retrospectively in the next step [Page 19]. Enter the name message, choose the type TextView; then choose Finish.

Create a button with the name back. Result You have now developed the basic parts of your application successfully. Now you simply need to make sure that the value from the input field in the StartView is used when the welcome text is generated dynamically in the ResultView.

However, you do not need implement a data transport explicitly. The Web Dynpro concept allows you to implement this in a user-friendly way, using data binding to a context.

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You can do this only if the UI elements involved have properties that can be bound. If so, the reference to the appropriate context element is assigned to this kind of property as a value. You use this assignment to bind the UI element to the context of the associated view controller.

This fulfills the prerequisites for transporting data to or from this UI element. You may want to know why you need to do this as well as what to do. If so, the following information may be helpful. A short digression on context theory You use the term context to refer to a structured repository for saving controller data. Every view always possesses a controller, which saves its local data in a context, known as the view context.

Steps To Create A Simple SAP ADOBE Form And Calling It In A Web Dynpro ABAP Application

A UI element can be bound to this context only if it belongs to the same view. In general, however, the lifetime of a view context is too short, and its visibility too restricted for it to be suitable for saving data used across several views. This is where the standard context of the Web Dynpro application comes into play. This standard context belongs to the controller of the Web Dynpro component.

Its lifetime is determined by the lifetime of the whole component. Moreover, this context can be made visible to some of the view controllers and not others. So that you do not have to copy data explicitly between two contexts, you can map the relevant elements of the two contexts to each other.

Component Usages Web Dynpro components can be nested. This means that you can integrate any number of other, already existing components into a component. View The view is the smallest unit of a Web Dynpro application visible for the user. The layout elements and dialog elements - for example, tables, text fields, or buttons - required for the application are arranged in a view. The view contains a controller and a controller context in which the application data to be processed is stored in a hierarchical structure.

This allows the linking of the graphical elements with the application data. Window A window is used to group multiple views and to specify the navigation between the views. A view can only displayed by the browser if the view is embedded in a window.

Enter the description and choose the type as Web Dynpro Component. Drag and drop the node emp in right side from Component Controller context to Data in left side in Controller Usage Context. After doing the same, the layout will appear as below. After drag and drop, the context will appear as below. Use Web Dynpro code wizard to generate code automatically. Keep the below generated code and delete the rest which is not required.In the same way, a supply function for a context node is called when the node is accessed for the first time.

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If so, the reference to the appropriate context element is assigned to this kind of property as a value. Can you run a Webdynpro Application in background? Procedure The following procedure is split into two parts. Every view always possesses a controller, which saves its local data in a context, known as the view context.

Creating outbound and inbound plugs If so, the following information may be helpful. After this,we have to bind its properties pdfSource and dataSource to the context.

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