Script Library: 1213 scripts
 

student-photo-database.r

REBOL [ title: "Student Photo Database" date: 6-6-2010 file: %student-photo-database.r author: Nick Antonaccio purpose: { This example came from a question at: http://synapse-ehr.com/forums/showthread.php?95-Connecting-to-an-Excel-spreadsheet It's based on the card file example at: http://www.rebol.org/view-script.r?script=card-file.r&sid=iwmh5vi } ] ; Here's an example CSV data file, exported from Excel ; (not really part of this program, but included here ; to demonstrate a fully working example): write %StudentList.csv {STUDENTID,LASTNAME,FIRSTNAME,DOB,GRADE 111111,Doe,Steven D,6/16/1992,12 111112,Doe,Jonathan Daniel,12/16/1991,12 111113,Smith,Karen J,12/3/1991,12 111114,Jones,Michael J,6/4/1992,12 111115,Taylor,Ryan C,1/10/1992,12 111116,Adam,Kaitlan C,4/30/1992,12 111117,Washington,Gabryela,3/31/1992,12 111118,Travolta,Juan D,1/24/1992,12 111119,Cruise,Amber E,5/8/1992,12} ; Program starts here: either exists? %data.txt [ database: load %data.txt ][ filename: %StudentList.csv database: copy [] lines: read/lines filename foreach line lines [ append database parse/all line "," ] remove/part database 5 ; get rid of headers for counter 6 ((length? database) + 12) 6 [ insert (at database counter) to-file rejoin [ "/C/Photos/image_" (pick database (counter - 5)) ".jpg" ] ] save %data.txt database ] update: func [marker] [ n/text: pick database marker a/text: pick database (marker + 1) p/text: pick database (marker + 2) o/text: pick database (marker + 3) g/text: pick database (marker + 4) i/text: pick database (marker + 5) if error? try [photo/image: load to-file i/text] [ ; alert "No image selected" photo/image: none ] photo/text: "" show gui ] view center-face gui: layout [ text "Load an existing record:" name-list: text-list blue 300x80 data sort (extract database 6) [ if value = none [return] marker: index? find database value update marker ] text "ID:" n: field 300 text "Last:" a: field 300 text "First:" p: field 300 text "BD:" o: field 300 text "Grade:" g: field 300 text "Image:" i: btn 300 [ i/text: to-file request-file photo/image: load to-file i/text show gui ] at 340x20 photo: image white 300x300 across btn "Save" [ if n/text = "" [alert "You must enter a name." return] if find (extract database 6) n/text [ either true = request "Overwrite existing record?" [ remove/part (find database n/text) 6 ] [ return ] ] save %data.txt repend database [ n/text a/text p/text o/text g/text i/text ] name-list/data: sort (extract copy database 6) show name-list ] btn "Delete" [ if true = request rejoin ["Delete " n/text "?"] [ remove/part (find database n/text) 6 save %data.txt database do-face clear-button 1 name-list/data: sort (extract copy database 6) show name-list ] ] clear-button: btn "New" [ n/text: copy "" a/text: copy "" p/text: copy "" o/text: copy "" g/text: copy "" i/text: copy "" photo/image: none show gui ] next-btn: btn "Next" [ if error? try [ old-num: copy n/text n/text: form ((to-integer n/text) + 1) show n marker: index? find database n/text update marker ] [n/text: copy old-num show n alert "No more records"] ] prev-btn: btn "Previous" [ if error? try [ old-num: copy n/text n/text: form ((to-integer n/text) - 1) show n marker: index? find database n/text update marker ] [n/text: copy old-num show n alert "No more records"] ] key keycode [down] [do-face next-btn 1] key keycode [up] [do-face prev-btn 1] at 340x340 d1: drop-down 300 data [ "Last Name" "First Name" "Birthday" "Grade" ] at 340x380 f2: field 300 "Select field above, type search text here" [ if d1/data = none [alert "Select a search field above" return] search-field: to-integer select [ "Last Name" 2 "First Name" 3 "Birthday" 4 "Grade" 5 ] d1/data results: copy [] for counter search-field (length? database) 6 [ if find (pick database counter) copy f2/text [ append results pick database (counter - search-field + 1) ] ] t/data: copy results show t if [] = results [alert "None found"] ] at 340x420 t: text-list 300x60 [ name-list/picked: copy value show name-list if value = none [return] marker: index? find database value update marker ] ]
halt ;; to terminate script if DO'ne from webpage