pro cdfx_editvattrs_Event, event wtype = widget_info(event.id,/NAME) ; get name of widget type case wtype of 'BUTTON': begin widget_control,event.id,get_value=bname case bname of 'Edit' : begin child = widget_info(event.top,/child) widget_control,child,get_uvalue=junk widget_control,event.top,get_uvalue=a widget_control,/hourglass ti = tagindex(junk.vname,tag_names(a)) vi = junk.first_vattr + junk.list b = a.(ti).(vi) & c=b xvaredit,b ; determine if attr value has been changed nb = n_elements(b) & new = 0 if nb eq 1 then begin if b ne c then new = 1 endif else begin for i=0,nb-1 do if b[i] ne c[i] then new = 1 endelse ; if attr has changed then process the new attribute if new eq 1 then begin a.(ti).(vi) = b ; regenerate the list of attributes vtags = tag_names(a.(ti)) & text = '' for i=0,n_elements(vtags)-1 do begin ;TJK 12/7/2006 - replace call to gethelp w/ call to help ;because gethelp is obsolete and it doesn't support dcomplex datatype ; b = a.(ti).(i) & h = gethelp('b') b = a.(ti).(i) & help, b, output=h strput,h,vtags[i],0 & text = [text,h] endfor text=text[(junk.first_vattr+1):(n_elements(vtags)-2)] widget_control,event.top,set_uvalue=a widget_control,junk.listwid,set_value=text widget_control,junk.cbut,sensitive=1 widget_control,junk.sbut,sensitive=1 endif end 'Cancel' : widget_control,event.top,/destroy 'Save' : begin child = widget_info(event.top,/child) widget_control,child,get_uvalue=junk widget_control,event.top,get_uvalue=a widget_control,junk.objectwid,set_uvalue=a widget_control,event.top,/destroy end 'Help' : print,'helping is TBD' else : print,'ERROR>editvattrs: unknown button name!' endcase end 'LIST' : begin child = widget_info(event.top,/child) widget_control,child,get_uvalue=junk junk.list = event.index ; save current attribute index widget_control,junk.ebut,sensitive=1 ; sensitize edit button widget_control,child,set_uvalue=junk end else : print,'ERROR>cdfx_editvattrs: unknown event type!' endcase end ;----------------------------------------------------------------------------- ; Display all variable attributes for the given variable in the given struct. ; Allow the user to modify the values of these attributes. ; ;Copyright 1996-2013 United States Government as represented by the ;Administrator of the National Aeronautics and Space Administration. ;All Rights Reserved. ; ;------------------------------------------------------------------ pro cdfx_editvattrs, a, vname, GROUP=GROUP common cdfxcom, CDFxwindows, CDFxprefs ; include cdfx common ; Validate the input parameters ; Validation TBD ; Initialize text1 = '' & text2 = '' ; Locate the variable given by 'vname' in the structure 'a' atags = tag_names(a) & natags = n_elements(atags) & v = tagindex(vname,atags) if (v eq -1) then begin ok = dialog_message(/error, $ 'editvattrs:named variable not in input structure') return endif else vtags = tag_names(a.(v)) ; Retrieve the data and determine its idl size information ti = tagindex('HANDLE',vtags) if (ti ne -1) then $ handle_value, a.(v).HANDLE, d $ else begin ti = tagindex('DAT',vtags) if (ti ne -1) then d = a.(v).DAT $ else begin ok = dialog_message(/error, $ 'editvattrs:variable has no .DAT or .HANDLE tag!') return endelse endelse ds = size(d) & nds = n_elements(ds) ; Capture type and dimensionality information ;TJK 12/7/2006, gethelp routine is obsolete AND it doesn't support ;the dcomplex data type, so replace gethelp call w/ one to help ;same fix throughout this file... ;h = gethelp('d') & h = strtrim(strmid(h[0],1,strlen(h[0])-1),2) help, d, output=h & h = strtrim(strmid(h[0],1,strlen(h[0])-1),2) s = str_sep(h[0],'=') & text1 = 'Variable name : ' + a.(v).VARNAME text1 = [text1,('Variable type : ' + strtrim(s[0],2))] text1 = [text1,('Dimensionality: ' + strtrim(s[1],2))] d = 0L ; delete the data to same memory ; Construct another text array about the variable attributes for i=0,n_elements(vtags)-1 do begin ; b = a.(v).(i) & h = gethelp('b') b = a.(v).(i) & help, b, output=h strput,h,vtags[i],0 & text2 = [text2,h] endfor ; Slice out the variable attributes out of the text string array fi = tagindex('FIELDNAM',vtags) if (fi eq -1) then begin ok = dialog_message(/error, 'editvattrs:missing required vattr:FIELDNAM.') return endif else text2 = text2[(fi+1):(n_elements(vtags)-2)] ; list width and height needed for good layout twidth = max(strlen(text1)) & theight = n_elements(text1) lwidth = max(strlen(text2)) & lheight = n_elements(text2) if lheight gt 25 then lheight = 25 if lwidth gt 80 then lwidth = 80 ; Create a widget to display the information base = widget_base(/Column,Title=('Variable Attributes: '+vname),$ /frame,uvalue=a) base1 = widget_base(base,/Column) base2 = widget_base(base,/Column) base3 = widget_base(base,/Row,/frame) text1 = widget_text(base1,value=text1,ysize=theight,xsize=twidth) list2 = widget_list(base2,value=text2,ysize=lheight,xsize=lwidth,/frame) but3a = widget_button(base3,value='Edit') but3b = widget_button(base3,value='Cancel') but3c = widget_button(base3,value='Save') but3d = widget_button(base3,value='Help') ; Register the main menu into the window list and save in the cdfx common add_cdfxwindow, ('Variable Attributes: ' + vname), base ; save required information in a structure in the first child widget junk = {ebut:but3a,cbut:but3b,sbut:but3c,hbut:but3d,vname:vname,$ list:-1L,first_vattr:fi,listwid:list2,objectwid:GROUP} child = widget_info(base,/child) & widget_control,child,set_uvalue=junk widget_control,but3a,sensitive=0 ; desensitize edit button widget_control,but3b,sensitive=0 ; desensitize cancel button widget_control,but3c,sensitive=0 ; desensitize save button ; Realize and manage the window widget_control,base,/realize Xmanager,'VarAttrs',base,Event='cdfx_editvattrs_Event',$ GROUP=GROUP,Cleanup='cdfx_cleanup_and_remove' end ;-----------------------------------------------------------------------------