1. Introduction To Form Builder
Part B
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2. Eyad Alshareef, Edite by: Dr. Mostafa Ali
Objectives
Create data block from view
Modify properties using Property Palette
Text item properties
Master-detail relationship
Create master block first
Specify relationship automatically or manually
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3. Creating a Form Based on a Database View
View can be derived from one or more database tables
Form based on a view allows you to display data from table(s)
Form could be used to insert, update, or delete data if the view is a simple view only.
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4. Creating a Form Based on a Database View
Similar to form based on table but read-only
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5. Eyad Alshareef, Edite by: Dr. Mostafa Ali
Modifying Properties
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6. Modifying Form Properties
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7. Guidelines For Configuring Form Windows
Change the window title
Allow user to minimize the window
Do not allow the user to maximize the window
Do not allow the user to resize the window
Include horizontal and vertical scrollbars if items appear beyond window boundaries
Make the form window fill the Forms Runtime window
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8. Configuring Form Windows
Title
Minimize/
Maximize buttons
Window
size
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9. Eyad Alshareef, Edite by: Dr. Mostafa Ali
Property Palette
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10. Modifying Form Properties
Every form object has a Property Palette that allows you to configure form properties
Property
Nodes
Property List
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11. Modifying Form Properties
Use Property Palette of form object to modify desired properties
To access: right click object, select Property Palette from menu
Intersection mode modifies properties for multiple objects at the same time
To open in intersection mode, select multiple objects before opening Property Palette
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12. Eyad Alshareef, Edite by: Dr. Mostafa Ali
Property Palette
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13. Intersection Property Palette
Used to change property of several items to the same value
Intersection/Union button appears as
Name appears as *****
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14. Eyad Alshareef, Edite by: Dr. Mostafa Ali
Frame Properties
Update Layout
Automatically
Frame items are automatically repositioned based on their order in the Data Blocks list when you move or resize a frame, or modify the form layout using the Layout Wizard in reentrant mode
Manually
Items are automatically when layout is modified in Layout Wizard in reentrant mode
Items are not repositioned if you move or resize the frame
Locked
Items are never automatically repositioned
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15. Modifying Text Item Properties Using the Property Palette
Intersection mode
Values appears as **** when objects have different values
Text item properties
Control how users enter data values
How form displays data values
Hint
ToolTip
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16. Text item Appearance Properties
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17. Text Item Data Value Properties
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18. Text Item Database Properties
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19. Master-detail relationship
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20. Eyad Alshareef, Edite by: Dr. Mostafa Ali
Multiple-Table Forms
Data block forms can display data from multiple tables that have a master-detail relationship
Master record has multiple related detail records
Examples:
One ITEM record has multiple related INVENTORY records
One CUSTOMER might have multiple CUST_ORDER records
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21. Creating the Detail Data Block
Master-Detail page
Auto-join feature of Data Block Wizard
Create link manually
Click Create Relationship
Explicitly select related items
Join Condition field syntax:
detail_block.join_item = master_block.join_item
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22. Eyad Alshareef, Edite by: Dr. Mostafa Ali
Master-Detail Forms
Master block
Detail block
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23. Multiple Master-Detail Blocks
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24. Creating a Master-Detail Form
Create the master block first
Specify the relationship on the Data Block Wizard Master-Detail page of the detail block
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25. Complex Master-Detail Relationships
A master block can have multiple detail blocks
An item can be in multiple customer orders, and have multiple shipment records
A detail block can be a master block in a second master-detail relationship
A customer can have multiple CUST_ORDER records
One CUST_ORDER record can have multiple ORDER_LINE records
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26. Complex Master-Detail Relationship Example
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27. Creating a form based on two linked tables
In order to create a form based on 2 tables:
Create a form similar to the STUDENT form we created (name it REGISTRATION)
Create an additional data block using a wizard
Establish master-detail relationship
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28. Creating a form based on two linked tables
Follow the steps suggested by the wizard
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29. Creating a form based on two linked tables
For the STUD_COURSE frame, select tabular layout, 4 records per page and a scrollbar.
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30. Compile and run your form
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31. Eyad Alshareef, Edite by: Dr. Mostafa Ali
Formatting Mask
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32. Eyad Alshareef, Edite by: Dr. Mostafa Ali
Formatting Text Items
Specify desired format mask in text item Format Mask property
If format mask makes value wider than text item Data Width property, data appears as #####
E.g: make the format mask for the empno field in the form builder: 99”- - “ 99 and make the data length for the field 4.
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33. Formatting Character Text Items
Place embedded characters in double quotes
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34. Eyad Alshareef, Edite by: Dr. Mostafa Ali
Format Mask Examples
Value Format Mask Result
###
$ $
”-”
SYSDATE Day-MON-YY Friday-NOV-06
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