[birt-dev] checkin: Fix Bugzilla bug-Extensible ExpressionProvider-HEAD

["Hongchang Lin" <hlin@xxxxxxxxxxx>]

- Summary:Fix Bugzilla Bug 191944-Extensible ExpressionProvider

- Bugzilla Bug (s) Resolved: 191944

- Description:
Define IExpressionProvider extends IAdaptable. Enable user associate his custom _expression_ provider through eclipse adapter extension point.

- Tests Description: Manual test and code review

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:

- Notes to Documentation:

- Files Edited:

/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ExpressionProvider.java
/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/IExpressionProvider.java

- Files Added:

- Files Deleted:

 

Hongchang Lin