PageCenter Sections display Tiles for opening Pages. The interface is the equivalent of the Lianja App Center, but for Pages instead of Apps.
You build Apps in Lianja App Builder visually using the Page Builder.
An App consists of pages. Pages are made up of Sections. Form sections are made up of FormItems. We call these collectively "UI Elements" or "Visual Elements".
Setting Attributes Declaratively
You adjust the appearance and behavior of each UI Element in the Attributes Tab of the App Inspector.
The attributes available consist of some common ones as well as some specific to the UI Element being inspected.
Getting and Setting Attributes Programmatically
The setAttribute(name, value) method can be used to set the value of an Attribute:
Note: on the desktop, the shortened form setAttr(name,value) is also available.
The getAttribute(name) method can be used to get the value of an Attribute:
cTitle = Lianja.get("pageid.sectionid").getAttribute("title")
Note: on the desktop, the shortened form getAttr(name) is also available.
Demo Apps (included in the Lianja App Builder distribution):
- Lianja Web UI Page Center Demo (example_pagecenter)
|Name||The name for this section (unique to the page)||id||Character|
|Full name||The full name for this section including its parent page, e.g. page1.section1||fullid||Character|
|Alias name||The alias name for this section||aliasid||Character|
|App Doc||The App Doc file for this section. This will be included in the App Doc when it is generated.||appdoc||Character|
|MetaData version||The MetaData version number. You can set this in the setupUI hook to prevent MetaData being applied multiple times.||metaDataVersion||Int|
|Meta types||A comma separated list of metatype names||metatypes||Character|
|Type||The type of section: pagecenter (readonly)||type||Character|
|Caption||The section caption displayed in the section header||title||Character|
|Hide header||Hide section header at runtime (True | False)||hideHeaderAtRuntime||Boolean|
|Background color||Section background color (from v4.0)||backColor||Character|
|Foreground color||Section foreground color (from v4.0)||foreColor||Character|
Permissions and Roles
|Create roles||A comma separated list of roles that can perform create operations on data in the section.||permcreate||Character|
|Read roles||A comma separated list of roles that can read (and view) the section.||permRead||Character|
|Update roles||A comma separated list of roles that can perform update operations on data in the section.||permUpdate||Character|
|Delete roles||A comma separated list of roles that can perform delete operations on data in the section.||permDelete||Character|
UI Presentation Rules
|Desktop||Include this section in a Desktop client (True | False).||desktopUI||Boolean|
|Web||Include this section in a Web client (True | False).||webUI||Boolean|
|Tablet||Include this section in a Tablet client (True | False).||tabletUI||Boolean|
|Phone||Include this section in a Phone client (True | False).||mobileUI||Boolean|
|UI States||UI states that affect this section. Specify multiple states as a comma separated list.||state||Character|
|Initial UI state||The initial UI state for this section. This will be applied to the section and all its fields and gadgets.||uiStateInit||Character|
|Readonly when||Section is readonly at runtime if specified expression evaluates to true.||readonlyWhen||Character|
|Visible when||Section is visible at runtime if specified expression evaluates to true.||visibleWhen||Character|
|Display orientation||Display depending on mobile device orientation for Tablets and Phones. (Always | Portrait | Landscape)||displayOrientation||Character|
|Apply rules on change||Apply UI presentation rules (Visible when and Readonly when) when data is changed interactively or when navigating records (True | False).||applyRulesOnChange||Boolean|
|Apply rules on parent change||Apply section UI presentation rules (Visible when and Readonly when) when parent data is changed by navigating records (True | False)||applyRulesOnParentChange||Boolean|