The content pane can be changed or updated in a few ways. One way is to use the Dojo Toolkit, where the content attribute can be set to new HTML values to change the content of the pane without performing an Ajax load. Another way is to use Drupal, where you can add a pane view content pane to an existing panel page either via a Feature module or programmatically. Additionally, in Java, the content pane can be manipulated by using the getContentPane() method and adding components directly to the JPanel.
| Characteristics | Values |
|---|---|
| Use | To load content dynamically through an href |
| How to change content | Set the content attribute to new HTML values |
| Loading message | Can be changed by changing the loadingMessage attribute |
| Default loading message | “$</span”> |
| Drupal | Can be added to an existing panel page via a Feature module or programmatically |
| Drupal | Can be added to a panel variant for type X in Feature A |
| Drupal | Can be made more maintainable by dividing features into four different modules |
| Drupal | Can be made more portable by creating a feature module per content type |
| Form designer | Most frequently used Elements sub-pane is open by default when selected |
| Form designer | Elements can be added, such as input boxes, buttons, and images |
| Form designer | Elements are the smallest form building blocks |
| Form designer | Components usually consist of several elements |
| Form designer | Symbols are special elements or groups of elements that are kept the same throughout a project |
| Form designer | Preview background color can be toggled between white, black, and transparent |
| Form designer | Zooming in and out is possible with the plus and minus buttons |
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What You'll Learn
How to add a pane (view content pane) to an existing panel page
To add a pane (view content pane) to an existing panel page, you can follow these steps:
Firstly, ensure that the view is in foobar_views. If it is not, recreate foobar_views with your new view. If the view is already present, update the foobar_views feature to include the new display in the feature module.
Next, perform a feature update on foobar_panels.
You can also make the foobar_content_types feature module more flexible by creating a feature module for each content type. This approach allows for more portable feature modules that are independent of each other.
To avoid "Features Hell", where maintaining multiple modules becomes challenging, you can organize your features into smaller groups or single feature components. Divide your features into four different modules: foobar_field_bases, foobar_content_types, foobar_views, and foobar_panels. Each module has specific functions and contains different components, as outlined in the steps above.
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Using the Dojo Toolkit to change the content pane
The Dojo Toolkit offers a novel Dijit, the accordion container, which presents the user with a set of labels arranged next to each other. Clicking on a label opens the accordion pleat, revealing the controls within. The ContentPane Dijit is used as a single page within a layout Dijit. For example, a tabbed container with six pages would use six content panes.
ContentPane acts as a base class for widgets such as Dialog. To change the content of the pane without performing an Ajax load, the content attribute can be set to new HTML values. The loading message displayed while content is being fetched can be changed by altering the loadingMessage attribute.
To use ContentPane, open your webpage in a text editor and add dojo.require("dijit.layout.ContentPane"); to your code. Create a new
The ContentPane can be styled using CSS. The
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The relation between ContentPane and JPanel
The relationship between ContentPane and JPanel is a complex one, with some sources stating that they are interchangeable. However, there are some key differences to note.
Firstly, it is important to understand the role of each component in a Java GUI. Swing provides three top-level container classes: JFrame, JDialog, and JApplet. These containers are essential for displaying GUI components, as each component must be part of a containment hierarchy, with a top-level container as its root. The content pane is a crucial part of the top-level container, as it directly or indirectly contains the visible components within the container's GUI.
JPanel, on the other hand, is a subclass of Container, which is a top-level AWT object. While it is possible to add components directly to the content pane, it is generally recommended to place them on a JPanel instead. This is because JPanel is a lightweight Swing component, while Container is a heavyweight AWT component, and mixing these two types of components is not considered good design.
One source provides a clear example of the relationship between ContentPane and JPanel. They state that there is a 1:1 relationship between JFrame and ContentPane, and that while components can be placed directly on the ContentPane, it is better to place them on a JPanel. Additionally, multiple JPanels can be stacked on a single ContentPane, providing flexibility in the GUI design.
Another source highlights the interchangeability of ContentPane and JPanel, stating that getContentPane() returns an instance of JPanel. This means that when working with Swing components, it is possible to treat ContentPane and JPanel as the same, casting one to the other as needed.
In conclusion, while ContentPane and JPanel have some similarities and can be used interchangeably in certain contexts, it is generally recommended to use JPanel as the container for GUI components due to its lightweight nature and compatibility with Swing components.
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How to add a footer link across all pages
Adding a footer link across all pages of a document can be done in a few different ways, depending on the software being used.
For Microsoft Word, one method is to utilise section breaks to allow for different footers in each section. This involves inserting a section break at the end of a page, unlinking the footer from the previous section, and then manually updating the footer content for that section. Another method is to use the "Different First Page" option, which allows for unique headers and footers for different pages, such as having no header at the start of a chapter.
For other software, such as Drupal, the process may vary. One suggestion is to use buttons instead of links, as buttons can have the same appearance and actions as links, with the added benefit of being easily copied to every page. Alternatively, JavaScript can be used to add a link on every page, either by defining a rectangle or by searching for a specific word and creating a link box around it.
In general, when working with content panes, it is important to remember that updating one instance of a symbol will change all other instances in the project. This can be useful for adding a footer link across all pages with a single edit.
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How to add a pane view content pane using Drupal
To add a pane view content pane to an existing panel page via a feature module or programmatically in Drupal, follow these steps:
Firstly, ensure that you have created custom content types and entities. This is a prerequisite for creating content panes and organizing and displaying them effectively.
Next, you need to determine whether you are using Drupal's Panopoly module. If you are, ensure that you have a recent version, as older versions may produce errors when AJAX is enabled.
Now, you can start creating your content panes. When using Views with the Views content pane module enabled, you can add displays of the type content pane. These have specific settings, including:
- Admin title: The name representing the pane in the list of available content panes.
- Admin desc: A detailed description of the pane, shown as a tooltip.
- Category: The category where the pane will be placed in the list of available content panes.
- Link to view: Creates a link from the pane's title to a page display configured for the view.
- Use panel path: Ensures that the view uses the path where it is embedded when it is dependent on a path.
- Argument input: Allows you to set how contextual filter values are collected from the panel.
- Allow settings: Enables you to override view configuration when embedding the view pane.
When configuring your content pane, consider the following:
- It is recommended to create each view as fields instead of content.
- Utilize the Panels In Place Editor (IPE) to configure and customize your content pane displays.
- Use the "Use exposed widgets form as pane configuration" and "Fields override" settings to ensure your fields, filters, and sorts are available in the IPE.
- Set the source of the display's contextual filters. Using the Panels context as the source allows you to use the view pane on any panel with the given context.
Finally, if you are using feature modules, consider organizing your features into separate modules for better maintainability and to minimize conflicts. For example, you can divide your features into modules for field bases, content types, and panel-related components.
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Frequently asked questions
You can do this via a Feature module or programmatically.
foobar_field_bases, foobar_content_types, and foobar_panels.
You can make sure the view is in foobar_views. If not, recreate foobar_views with your new view.
getContentPane() returns a Container object, which is a JPanel.
To change the content of the content pane without performing an Ajax load, the content attribute can be set to the new HTML values.
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Emilie Meyer
Author
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Cody Casey
Author Editor Reviewer
