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Drop-Down Tree Conrol

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    #1

    Drop-Down Tree Conrol

    Hi Everyone,

    In according the help, the Drop-Down Tree can be set the Event but I am not able to established the Event at all.
    Code:
    Drop Down Tree Control Syntax

Syntax   [ [. Width ] Variable_Name ^=< Choice_Array [ ! Event ][ ? Enabled ] ]

    I have the test Code here.
    Code:
    
dim treeoptions as C

  
treeoptions = <<%str% 
Power . No Power 
Network . Can't log in 
Network . Can't connect 
Network . Invalid username or password 
Network . Other 
Printer . Specific error message 
Printer . Print job stuck in queue 
Printer . Paper Jam 
Printer . Can't print 
Printer . Print job going to another printer 
Printer . Other 
Software . Program error 
Software . Virus 
Network . Setup new account 
Software . Install software 
Software . Can't access email 
Hardware . Noisy 
Hardware . Can't boot / hangs during boot 
Hardware . No display on monitor 
Printer . Install printer 
Software . Computer freezes 
Relocate . Equipment 
Relocate . User data 
Relocate . User account 
Hardware . Install new hardware 
%str%

  
ui_dlg_box("Drop Down Tree Control",<<%dlg%
{lf};
Dropdown Tree:| [%S=BRL%.50option^=<treeoptions!vTree_*];
{lf};
Sample cell:| [.10Samplecell!ul_cell_*];
{lf};

<cancel>;
%dlg%,<<%code%
If left(alltrim(a_dlg_button),6) ="vTree_" then
	'msgbox("Event ")
	If a_dlg_button ="vTree_setfocus" then
		msgbox("event status","setfocus"+a_dlg_button)
	end if
	If a_dlg_button ="vTree_change" then
		msgbox("event status","Changed"+a_dlg_button)	
	end if
	If a_dlg_button ="vTree_killfocus" then
		msgbox("event status","killfocus"+a_dlg_button)	
	end if	
	a_dlg_button =""
end if

if left(a_dlg_button,7) = "ul_cell" then
    if a_dlg_button = "ul_cell_killfocus" then
    	ul_cell = upper(samplecell)
    	msgbox("Cell Killfocus: "+ul_cell)
        'frow = regex_merge(samplecell, "[A-Z]","")
        'fcol = asc(regex_merge(samplecell, "[0-9]",""))-64
    end if
    a_dlg_button = ""

end if

%code%)
    Did I missing something on the Dropdown Tree's event handle?
    Tags: None
    #2
    Re: Drop-Down Tree Conrol

    Put debug(1) as a new line
    just after
    %dlg%,<<%code%

    You will see that a_dlg_button takes the value vTree_
    with no event name.

    Here's the section on tree control event
    http://wiki.alphasoftware.com/Tree+Control+Events

    Contrast the Tree Control Syntax where one sees !Events
    with Drop Down Tree Control Syntax where we see !Event

    would indicate to me that the drop down only has one event.
    Last edited by Stan Mathews; 05-15-2015, 09:42 AM.
    There can be only one.

    Comment

      #3
      Re: Drop-Down Tree Conrol

      Hi Stan,

      I have tested it with Drop-down syntax but the EVENT still did not work.

      Code:
      
paths = <<%str%
A\!event_A
B\!event_B
C\!event_C
%str%

'[%X;S=BRL;D="\"%.40,10path^<paths];
'Just replaced the DropDown Syntax


ui_dlg_box("DropDown Tree",<<%dlg%


{lf};
Drop-Down Tree:;
[%X;S=BRL;D="\"%.40path^=<paths];
{lf};

[.40path]|

|<OK>;

%dlg%, <<%code%
if a_dlg_button = "event_a" then
    a_dlg_button = ""
    expanded_a = <<%str%
A\Item 1
A\Item 2
A\Item 3
%str%
    paths = stritran(paths,"A\!event_A",expanded_a)
    showvar(paths,"test ")
    paths = word_change("1",paths,crlf())
    path = word(expanded_a,1,crlf())
end if
if a_dlg_button = "event_b" then
    a_dlg_button = ""
    expanded_b = <<%str%
B\Item 4
B\Item 5
B\Item 6
%str%
    paths = stritran(paths,"B\!event_b",expanded_b)
    paths = word_change("1",paths,crlf())
    path = word(expanded_b,1,crlf())
end if
if a_dlg_button = "event_c" then
    a_dlg_button = ""
    expanded_c = <<%str%
C\Item 7
C\Item 8
C\Item 9
%str%
    paths = stritran(paths,"C\!event_c",expanded_c)
    paths = word_change("1",paths,crlf())
    path = word(expanded_c,1,crlf())
end if
%code%)
      Attached Files

      Comment

        #4
        Re: Drop-Down Tree Conrol

        Code:
        dim treeoptions as C

  
treeoptions = <<%str% 
Power . No Power 
Network . Can't log in 
Network . Can't connect 
Network . Invalid username or password 
Network . Other 
Printer . Specific error message 
Printer . Print job stuck in queue 
Printer . Paper Jam 
Printer . Can't print 
Printer . Print job going to another printer 
Printer . Other 
Software . Program error 
Software . Virus 
Network . Setup new account 
Software . Install software 
Software . Can't access email 
Hardware . Noisy 
Hardware . Can't boot / hangs during boot 
Hardware . No display on monitor 
Printer . Install printer 
Software . Computer freezes 
Relocate . Equipment 
Relocate . User data 
Relocate . User account 
Hardware . Install new hardware 
%str%

  
ui_dlg_box("Drop Down Tree Control",<<%dlg%
{lf};
Dropdown Tree:| [%S=BRL%.50option^=<treeoptions!vTree_*];
{lf};
Sample cell:| [.10Samplecell!ul_cell_*];
{lf};

<cancel>;
%dlg%,<<%code%
If left(alltrim(a_dlg_button),6) ="vTree_" then
	msgbox("Event "+a_dlg_button)
	msgbox("Since the only value in a_dlg_button is "+ a_dlg_button+crlf()+"one can't test for killfocus, setfocus, etc.")	
	msgbox("This message box appears several times so it would that several events occur, just not reported.")
	msgbox("May be a bug.")
	a_dlg_button =""
end if

if left(a_dlg_button,7) = "ul_cell" then
    if a_dlg_button = "ul_cell_killfocus" then
    	ul_cell = upper(samplecell)
    	msgbox("Cell Killfocus: "+ul_cell)
        'frow = regex_merge(samplecell, "[A-Z]","")
        'fcol = asc(regex_merge(samplecell, "[0-9]",""))-64
    end if
    a_dlg_button = ""

end if

%code%)
        There can be only one.

        Comment

          #5
          Re: Drop-Down Tree Conrol

          Nice Stan, nothing like an endless loop... ;)
          Robin

          Discernment is not needed in things that differ, but in those things that appear to be the same. - Miles Sanford

          Comment

            #6
            Re: Drop-Down Tree Conrol

            Sometimes it takes one to get the point across.
            There can be only one.

            Comment

              #7
              Re: Drop-Down Tree Conrol

              If I remember correctly, this was brought up few years back and deemed as a bug. I do not know what became of it. Will follow up with Selwyn. Incidentally, the dropdown tree does not take ANY of the events (that's the bug part) and the repeated popup msg boxes is due to a completely different reason. It's a horse of a totally different color better left out of this discussion as it will only serve to add to the confusion.
              I have a pretty good idea (guess) as to the nature and reason for this bug and that is the dropdown tree control requires more clicks than other controls for something to happen and by then, alpha would have missed out on what was associated with the first click.
              For example, if you have a multi list control and you click to a different choice on the list, that is a "change" event that alpha will recognize and act accordingly. But in a dropdown tree, you have to first click on the control, then click to open the tree.
              To illustrate my point:
              If you have a modal xdlg that has controls in it and any of these controls has an event but no code associated with that event in the code section and if you click on that control, alpha will recognize the event and since there is no associated code, it will close the xdlg.
              So, try this:
              In a modal xdlg (use the above as an example) keep the events in the dropdown tree and the type-in control but remove all codes from the code section.
              1-Run the xdlg and click on the type-in field. Alpha will close the xdlg immediately
              2-Run it again and now click on the dropdown tree control.
              What happens?
              Nothing
              Click for the second time. What happens?
              Now it's closed. Sometimes it takes more than 2 clicks.
              3-For more lagnappe, run it again and this time don't click the dropdown tree control itself but the button to the right that opens the tree.
              What happens?
              Alpha closes on the first click.
              What does that tell you?

              Comment

                #8
                Re: Drop-Down Tree Conrol

                Incidentally, I believe the same behavior was reported for dropdown combo control

                Comment

                  #9
                  Re: Drop-Down Tree Conrol

                  Originally posted by G Gabriel View Post
                  Incidentally, I believe the same behavior was reported for dropdown combo control
                  Yup. I know I did. I can't remember if it's ^= or the ^+ operator (I'm pretty sure it's ^=), but the grief of this problem I'm still scarred by to this day.
                  Mike W
                  __________________________
                  "I rebel in at least small things to express to the world that I have not completely surrendered"

                  Comment

                    #10
                    Re: Drop-Down Tree Conrol

                    OK, I am willing to be wrong. I just re-tried combo box events within a dialog with the attached example and both the ^+ and the ^= operators (line 40) seems to work perfectly well.
                    Attached Files
                    Mike W
                    __________________________
                    "I rebel in at least small things to express to the world that I have not completely surrendered"

                    Comment

                      #11
                      Re: Drop-Down Tree Conrol

                      Mike:
                      I thought it was you and no you are not wrong, Selwyn responded back that at least the change event is firing. I am not seeing that in my version, so it must have been fixed in the newer ones.

                      Comment

                        #12
                        Re: Drop-Down Tree Conrol

                        Thank you

                        Comment

                          #13
                          Re: Drop-Down Tree Conrol

                          I really had nothing to offer, sorry..but check your version/build/update..

                          Comment

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