Database Reference
In-Depth Information
and SQL. It's recommended that you spend some time strategizing an approach to dis-
play conditions and security functions when designing a complex application. If the
same conditional logic will be used repeatedly, it may be a good idea to create a utility
package with functions to be called in several places. Thus, maintenance of the logic
can be done in a single place.
Template Positions
In the previous section, you chose Region Position 3 when selecting the location of the
region. This location was based on knowledge of the theme and template you chose at
the beginning of the example application. When you're working with another theme, it
may be desirable to see where the regions are placed. APEX has a utility that displays
approximate region placement and allows quick selection of display points.
To get a preview of display points in a page template, follow these steps:
1.
Navigate to the edit screen of any region.
2.
In the
User Interface
section, locate the
Display Point
.
3.
Click the
flashlight
to the right of the drop-down, as shown in
Figure 5-60
.
Figure 5-60.
Location of the display point flashlight
4.
In the resulting pop-up window shown in
Figure 5-61
,
click the name of a
display position. Be aware that the positions are specific to the page tem-
plate. There can be more than one page template per application.
