The document discusses different types of non-input items that can be created in Oracle Forms including display items, calculated items, hierarchical tree items, image items, push buttons, and sound items. Display items display data but do not allow edits. Calculated items display values based on formulas or summaries. Hierarchical tree items allow the display of parent-child relationships. Image items display images stored in files or databases. Push buttons initiate actions rather than display data. Sound items play audio files but are not supported when running Forms applications in a web browser.

1. Part
Working with Non Input Items
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2. Objectives
• Creating the Non input items such as
– Display Item
– Image Item
– Calculated Item
– Hierarchical Tree Item
– Push Button
– Sound Item
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3. Items
Input Items Non-Input ItemsAllows user
input
Does not
Allow user
input
• Text item
• Check Box
• Radio Group
• List item Display Items Non Display Items
• Display item
• Image item
• calculated item
• Hierarchical Tree
item etc.
• Push Button
• Sound Item
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4. Display Items
• Display items are similar to text items.
• Display items does not allow to:
– Be edited
– Be navigated
– Be queried
– Accept user input
• Display items allow:
– Display data
– Save memory
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5. Image Items
• Interface object.
• Used to display photographs and images
– From file system
– From Database which are stored in BLOB or Long Raw columns.
– Supports various formats of Images like BMP, TIFF, PICT, GIF etc.
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6. Image Item Properties
• Image Format
• Image Depth
• Compression Quality
• Display Quality
• Show Palette
• Sizing Style
• Show Horizontal Scrollbar
• Show Vertical Scrollbar
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7. Calculated items
• They display item values that are based on calculations.
• They can not be edited.
• They can be expressed as:
– Formula
– Summary
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8. Calculated Items -Formula
• Properties to be edited
– Calculation Mode
– Formula (Involves bind variables)
Formula Item
:emp.sal + nvl(:emp.comm,0)
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9. Summary Item
• A summary is performed on values of a single item over all rows
in a block.
Properties Used
– Calculation Mode
– Summary Function
– Summarized Block
– Summarized Item
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10. Rules for using Summary Item
• Summary item must reside in:
– The same block as the summarized item
– A control block with Single Record property set to Yes
• Summarized item must reside in:
– A data block with Query All Records property or Precompute
Summaries property set to Yes
– A control block
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11. Summary item
Summarized
item
Summary
item
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12. Creating Hierarchical Tree Item
Note:
Trees must be
in single row,
single item
blocks.
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13. Hierarchical Tree Properties
• Allow empty branches
• Multi selection
• Show lines
• Show symbols
• Record group
• Data query
Example for Data Query : SELECT 1,level,ename,null,empno
FROM emp
CONNECT BY PRIOR empno=mgr
START WITH job=‘PRESIDENT’
Note: Do not terminate the query with semi colon.
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14. Push Button
• Interface control
• Cannot display or represent data
• Used to initiate an action
• Display as:
– Text button
– Iconic
Tooltip
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15. Usage of Push Button
• Use buttons to:
– Move input focus
– Invoke an editor
– Display an LOV
– Invoke another window
– Commit data
– Execute a query
– Perform calculations
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16. Properties of Push Button
• Label
• Mouse Navigate
• Default Button
• Iconic
• Icon Filename
• Tool tip
• Tooltip Visual Attribute Group
Note: .ico files are not supported in Web. Use .gif files for iconic
buttons.
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17. Sound Item
• Interface control
• Use to play and record sound:
– From file system
– From database——LONG RAW column or BLOB column
• Sound Formats supported are:
– AU, AIFF, AIFF-C, WAV Formats.
Note: Sound items are not supported in Oracle Forms running in
Web.
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18. Summary
• Creation of Non-input items
– Display item
– Calculated item
– Hierarchical Tree item
– Image Item
– Push button
– Sound item
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