vb.net free barcode dll Layout Strategies for a Table Component in Java

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Layout Strategies for a Table Component
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Experience and a certain amount of trial and error will guide you as to how best to use table components. However, there are a few simple pointers and best practices you can follow at this early stage in your learning to ensure that you get the best from the components.
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A Table component can reside within a number of different layout components; however, there is one component that is particularly well suited to managing a Table component: a Panel Collection.
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Quick Start Guide to Oracle Fusion Development
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The Panel Collection provides a number of useful features and facets that are commonly required for tables of data. The Panel Collection also automatically stretches its child component to fill the available space within the component.
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panel Collection View Menu The Panel Collection includes a default menu, titled View, that allows the table within the Panel Collection to be customized at runtime by the end user. The following are the menu options:
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Columns Allows the user to select which columns are visible in the table. Freeze For a table that has the property ColumnSelection set to single or multiple, a column can be frozen such that it remains in view while other columns are scrolled horizontally. The table has to be wider than the parent container for the scroll bar to appear; otherwise, all columns are already in view. Detach Detaches the Panel Collection so it appears as a floating pop-up window, thus maximizing the viewable area. Sort Allows the user to sort the table in ascending or descending order based on a selected column, or to open a pop-up dialog and choose advanced settings for sorting columns. Reorder Columns Displays a pop-up dialog that allows the user to reorder the table columns. Query By example Toggles the display of the filter fields that appear for each column where Filterable has been set to true on the column.
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panel Collection Facets The Panel Collection contains the following facets that are useful when managing a Table component. Each facet is a named region of the Panel Collection component that has a suggested use.
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afterToolbar A toolbar area that sits below the main toolbar facet. menus A facet that can be used for a menu. Adding menus is covered in 14. secondaryToolbar Provides a secondary area for a toolbar. statusbar Another facet area that can be used for a toolbar or to display application messages.
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Building Typical ADF Faces Pages
toolbar Provides an area for a toolbar, which would typically include buttons. Toolbars and buttons are covered in 14. viewMenu Allows you to define menu items that appear as part of the default View menu.
secondaryToolbar facet
menus facet toolbar facet
afterToolbar facet
statusbar facet
Understanding Bindings for the Table Component
If you find yourself venturing beyond the drag-and-drop capabilities of the Table component, you might find that you need to adjust the binding. For example, if after creating the table you decide you want to show income level instead of credit limit, or you want to add a new column to the table, then you may need to adjust the binding. The first thing to understand is that a tree binding is used for table components. That might seem counterintuitive at first, but the reason is that a Table component behaves just like a Tree component, but with only one level of hierarchy. In both cases, a collection of data is rendered one row at a time, with each row, or node in the case of a tree, being represented by a number of attributes. This tree binding uses a collectionModel, which you can think of as an object that includes all the attributes and rows you need for the binding. So, a Table component s Value property would typically be set to a value like #{bindings.CustomersView1.collectionModel}. Each field within a column must then reference the collectionModel in order to stamp out the value for each row of the table. To do this, the table has a property Var that has the default value row. Var is just the name of a pointer that will loop through all the rows in the collectionModel object and return a row. Thus, the value of a field in a column of a table would be set to something like #{row.CustFirstName}.
Quick Start Guide to Oracle Fusion Development Viewing and editing the Bindings for a Table For a JSF page with a Table UI component, select the Bindings tab to display the Page Data Binding Definition page. This shows the bindings for the page. Select the tree binding and then click the Edit Selected Element button, represented by the pencil icon. This opens the Edit Tree Binding dialog, where you can add a new attribute to the binding. So if you wanted to display income level instead of credit limit, you would add IncomeLevel to Display Attributes, which would create a new binding to that attribute.
To reference this new binding in the actual Table UI component, change the Value property of the field within the table column to #{row.IncomeLevel}. TIp The previous example shows how to create a binding and then reference that from the table. An easier way is to click the Edit Component Definition button, represented by the pencil icon in the Property Inspector, and add a new column to the table from there.
Adding and editing Table Columns via the property Inspector Another way to add columns and bindings to an existing table is through the Property Inspector. For the Table UI component, select the Columns tab in the Property Inspector. Here you can add new columns to the table by clicking the green plus button. Given that the collectionModel knows about all the possible
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