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View Book Copy                                   

 

Inputs                                   
     
Call number
A unique number that specifies a specific book in the database. The call number is of the form DDDDDDDDD, where D represents a digit from 0 - 9. Call numbers can vary in length and range from 0 - 999999999, and are generated automatically when the book is added to the database.

 

Outputs                                   
     location, floor, circulation status
     Upon acceptance and verification of the call number, the following will be display in a window: ISBN #, title, author, publisher, subject, book category, media type, cost of book, version, edition, call number(s), location(s), floor(s), circulation status(es).
     If an unrecoverable error (such as read write errors to the databse) occurs the module will output the error code to the error handling module.

 

Imports                                   
     From Books data store
  • ISBN number
  • title
  • author
  • publisher
  • subject
  • book category
  • media type
  • cost of book
  • version
  • edition
  • call number(s)
  • location(s)
  • floor(s)
  • circulation status(es)
     From loans data store
  • due date (if any)
     From customer data store
  • customer number (if any)

 

Error Conditions                                   
     Syntax error on input to the call number field.
     Input missing from field. (call number not specified.)
     Book copy does not exist in database.

 

Description                                   
     
View Book Copy Window
This window contains a numeric entry for the call number.

Buttons Present: VIEW, QUIT

VIEW
Once selected, the system checks if the call number has been entered correctly. If there is a format error or the call number has not been filled in, a message box will pop up and display an error message.

Buttons Present: OK

Selecting 'OK' will close the message box.

Once the call number is error free the system checks to see if there is a book copy in the database with that call number. If no book copy exists, a message box will appear and display an error message.

Buttons Present: OK

Selecting 'OK' will close the message box.

Once it has been verified that the book copy exists in the database, a window will appear containing the data for that book copy.

Buttons Present: SAVE, MODIFY, QUIT

SAVE
Nothing will occur if the 'MODIFY' button has not been pressed before the 'SAVE' button has been pressed. (see section 5(a) Modifying a Book Copy)
MODIFY
Pressing this button will allow the user to change the data displayed in the fields for the 'View Book Copy' window. (see section 5(a) Modifying a Book Copy)
QUIT
Selecting the QUIT button will close whatever window the user is in.

 

Walkthrough                                   
Screen ShotThe user fills in the call number of the book that he/she wishes to view. If there is an error with the syntax of the call number or the call number cannot be found in the database, these errors are displayed in an error window. Once all errors are corrected (if there were any), the VIEW button is pressed at which time the data representing that call number is displayed. From there, the user may choose to modify and save the data (see section 5(a) Modifying a Book Copy). Clicking on any QUIT button will exit the user from the window he/she is in.

 

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