Limited Fields

 

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This is a simple behavior for text and field members that does the following... Limit a field to certain Characters, Limit a field to a certain NUMBER of characters, Turn the word wrap on/off for the field Enhanced on 9/20/2005 by Dean Utian - fixed so backspace, and arrows work

---- -- Restrict Chars behavior covering backspace/delete/left-right arrows/return/enter/home/end property spriteNum, maxText, allowedKeys, myWrap, otherHandler on getPropertyDescriptionList me   p_list = [:]   p_list.addProp(#maxText, [#format : #integer, #comment : "Max number of allowed Characters:", #default : 20])   p_list.addProp(#allowedKeys, [#format : #string, #comment : "Keys to pass to field (Leave blank for all):", #default : "1234567890abcdefghijklmnopqrstuvwxyz"])   p_list.addProp(#myWrap, [#format : #boolean, #comment : "Allow word wrapping?", #default : 0])   return p_list end on beginSprite me   sprite(spriteNum).member.wordwrap = myWrap end on keyDown me   case the keyCode of       --    51,117: -- backspace/delete       --    115,119: left/right arrow       --    123,124: -- home/end       --    36: -- enter/return     51,117,123,124:       pass     36,115,119:       dontpassevent     otherwise       if allowedKeys contains the key and allowedKeys <> "" then         if sprite(me.spriteNum).member.char.count < maxText then pass              else if allowedKeys = "" then         pass              else         dontpassevent                      end if   end case on getBehaviorDescription me   describe = "This is a simple behavior for text and field members that does the following..." & return   describe = describe & "Limit a field to certain Characters" & return & "Limit a field to a certain NUMBER of characters" & "Turn the word wrap on/off for the field" end