Displays data from a composite data type such as a database table or an array. Organizes the components within a layout of rows and columns. Groups a set of components in flow layout mode. Use to group a set of components in flow layout mode or grid layout mode. Displays different layouts on the same page. Also can be used as a navigational tool. Groups components that you want to consistently display on two or more pages. Lays out a single column of labeled components quickly, and divides the components into sections.
Table 4: Action Components. Button that submits the associated form. Text field that submits a URL or submits a form. Image Hyperlink. Image that submits a URL or submits a form. Subcomponent of a Tab Set or a Tab. A tab can optionally submit a URL or submit a form. Common Task. A link to a Visual web JSF page where a user can perform a task.
You use the component's property sheet in the Properties window to change the appearance and behavior of the component, to bind the component to data, and to associate the component with event handlers. The following figure shows the properties for a Listbox component. Adding Components: Try It. Open Page2 that you created by following the previous Try It suggestions in the Creating Web Pages section, or create it if necessary.
Drag various components from the Basic section and the Layout section of the Palette window and play around with their properties.
For example, try the following steps:. Drag a Button Component onto the page, type Click Me! In the Properties window, notice how the text property has the value Click Me!. In the Properties window, select the primary property's checkbox and notice how the button's appearance changes.
Resizing the layout component automatically resizes the Button component. Drag a Text Field component onto the page. Next, drag a Label component onto the page, type Name: and press Enter. Ctrl-Shift-Click inside the Label component and drag to the Text Field component, and then release the mouse button.
Select the Label component and notice how its for property is now set to the id for the Text Field Component. Set the labelLevel to Strong 1.
Drag a Message component to the right of the Text Field. As with the Label component, notice how the for property for the Message component is now set to the id for the Text Field Component. Drag a Drop Down List component onto the page and set its label property to Color.
Press Tab to enter edit mode for Item 1 in the Display column, and type Blue. Press tab twice and change Item 2 to White. Press tab twice more and change Item 3 to Green. Click OK and notice how your changes affect the component in the Visual Designer. In the Options Customizer, select the Select Items checkbox, and then select one of the radio buttons in the Selected column to set the default selection to that item.
Click OK to apply the changes and to dismiss the Options Customizer. In the Properties window, set the columns property to 3 to align the radio buttons horizontally instead of vertically. Right-click the page background, any empty spot in the page, and choose Preview in Browser to see how your browser renders the components.
Developing a Web Application. Getting Help. Also, when you press F1 on a window, dialog box, or Palette component, the Help viewer appears and displays information about that item. Click inside the Properties window for the Checkbox Group. Press F1 to view the topic about the Checkbox Group component properties. Select the node for the Text Field component in the Basic section of the Palette. Press F1 to view the help topic about the Text Field component.
Continue on next tutorial, Part 2. Machine specification used in this task are: Intel Pentium Core 2 Duo, 2. Starting a Project A project is the equivalent of your working environment for a web application. Basic Text Area An input field for multiple lines of text. Basic Drop Down List A drop-down menu, also referred to as a combo box.
Basic Listbox A list from which the user can select either one item or multiple items, depending on how the component is configured. Basic Checkbox A single-character box that the user can either select check or clear. Basic Radio Button A single radio button that the user can select check. Basic Password Field An input field that echoes the input characters with a replacement character to mask the input.
Basic File Upload A component with a text input field and a Browse button that displays a file chooser for specifying a file to upload. Basic Add Remove Two lists one for available options, one for selected options with buttons to move the options between the lists, and to order the selected options.
Composite Calendar An input field and calendar for choosing dates. Component Description Palette Section Label Text field that can be associated with an input field and for which you can specify a weak, medium, or strong font style.
Basic Static Text Field for displaying text. In the wizard that opens, select Java Enterprise on the left. Name the new project, select a build tool, a test framework, a language you want to use, and select the Web application project template. Select the JDK that you want to use in your project.
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