[2] | 1 | ;------------------------------------------------------------ |
---|
| 2 | ;------------------------------------------------------------ |
---|
| 3 | ;------------------------------------------------------------ |
---|
| 4 | ;+ |
---|
| 5 | ; NAME:isadirectory |
---|
| 6 | ; |
---|
| 7 | ; PURPOSE:check if a directory is in the !path variable or is the |
---|
| 8 | ; common. end it by '/' under Unix/Linux, ':' under Mac and '\' under |
---|
| 9 | ; Windows. |
---|
| 10 | ; |
---|
| 11 | ; CATEGORY: io |
---|
| 12 | ; |
---|
| 13 | ; CALLING SEQUENCE: directory=isadirectory() |
---|
| 14 | ; |
---|
| 15 | ; INPUTS:none |
---|
| 16 | ; |
---|
| 17 | ; KEYWORD PARAMETERS: |
---|
| 18 | ; IODIRECTORY:a proposed directory |
---|
| 19 | ; TITLE: the title of the widget open if we need to choose a |
---|
| 20 | ; directory. |
---|
| 21 | ; /NOPATH:do not check if the directory is in the !path |
---|
| 22 | ; variable. |
---|
| 23 | ; |
---|
| 24 | ; OUTPUTS: de directory name |
---|
| 25 | ; |
---|
| 26 | ; COMMON BLOCKS: |
---|
| 27 | ; |
---|
| 28 | ; SIDE EFFECTS:while statement until we found a good directory... |
---|
| 29 | ; |
---|
| 30 | ; RESTRICTIONS: |
---|
| 31 | ; |
---|
| 32 | ; EXAMPLE: |
---|
| 33 | ; |
---|
| 34 | ; MODIFICATION HISTORY:Sebastien Masson (smasson@lodyc.jussieu.fr) |
---|
| 35 | ; June 28, 2000 |
---|
| 36 | ;- |
---|
| 37 | ;------------------------------------------------------------ |
---|
| 38 | ;------------------------------------------------------------ |
---|
| 39 | ;------------------------------------------------------------ |
---|
| 40 | FUNCTION isadirectory, IODIRECTORY = iodirectory, NOPATH = nopath, TITLE = title |
---|
| 41 | |
---|
| 42 | cd, current = current |
---|
| 43 | ; if directory is undefine, we get the current directory. |
---|
| 44 | if keyword_set(iodirectory) THEN directory = iodirectory ELSE directory = current |
---|
| 45 | ; |
---|
| 46 | thisOS = strupcase(strmid(!version.os_family, 0, 3)) |
---|
| 47 | CASE thisOS of |
---|
| 48 | 'MAC':BEGIN & sep = ':' & pathsep = ',' & end |
---|
| 49 | 'WIN':BEGIN & sep = '\' & pathsep = ';' & end |
---|
| 50 | ELSE: BEGIN & sep = '/' & pathsep = ':' & end |
---|
| 51 | ENDCASE |
---|
| 52 | ; si directory ou current ne finit pas par sep on le rajoute |
---|
| 53 | if rstrpos(current,sep) NE strlen(current)-1 then current = current+sep |
---|
| 54 | if rstrpos(directory, sep) NE strlen(directory)-1 then directory = directory+sep |
---|
| 55 | if keyword_set(nopath) then return, directory |
---|
| 56 | ; does directory is define in the !path variable or is it the current directory? |
---|
| 57 | possibledirectory = str_sep(!path, pathsep) |
---|
| 58 | if rstrpos(possibledirectory[0],sep) NE strlen(possibledirectory[0])-1 then $ |
---|
| 59 | possibledirectory = possibledirectory+sep |
---|
| 60 | possibledirectory = [current, possibledirectory] |
---|
| 61 | while (where(possibledirectory EQ directory))[0] EQ -1 do begin |
---|
| 62 | directory = dialog_pickfile(/directory, title = title) |
---|
| 63 | if directory EQ '' then return, report('read_data canceled') |
---|
| 64 | if rstrpos(directory, sep) NE strlen(directory)-1 then directory = directory+sep |
---|
| 65 | endwhile |
---|
| 66 | |
---|
| 67 | return, directory |
---|
| 68 | end |
---|
| 69 | |
---|
| 70 | |
---|
| 71 | |
---|
| 72 | |
---|