POST setitem doesn't set value in datawindow - powerbuilder

I have a response window, w_response. Inside that, I have data window dw_1, in which I want to validate the data entered. There is a column c_1.
When User enters wrong data in c_1 and tabs out, a search window w_2 will open with a OK Button and the user's selection will be set in the c_1 once user clicks OK.This happens properly while we do tabbing out(Used POST setitem).
Instead user edits the value(which is incorrect data) in c_1 and immediately clicks OK in w_response.
This triggers search window w_2, and although user selected correct value and clicked OK, the wrong value is set in the c_1(which is typed by user). Seems like POST setitem is not happening properly.
Any idea why this happens?

Are you triggering AcceptText on dw_1 anywhere in your window? This event is specifically designed for cases where the datawindow control loses focus (by a click on the OK button from your example). The PB help has more information on this (topic is AcceptText method).

Why are you this.POST setitem()? Why not just this.setitem? Rememer any POST call will not execute until all other currently running code has completed, or there is a Yield() call. So it sounds like when you immediately hit OK, the ue_ok calls accepttext which then prompts for the correct data and calls POST setitem, but because the ue_ok code is already running, it must complete before the POSTed call can run. Try either removing the word POST from the call, or adding a Yield() after accepttext.

Related

Win32API: How to determine if EN_CHANGE was because of user action, not software action?

I find this situation comes up from time to time, and I never seem to have a really robust generic solution to it.
I have a control - in this example an EDIT control on a dialog. I want to take certain actions in response to the user - and only the user - modifying the contents of the edit control.
The edit control can be set programmatically - e.g. when the dialog is being setup, there may be an initial value placed into the edit field. Or when the user selects an item from a listview, that selection's text may well be what's placed into the edit field.
But when the user modifies the contents of the edit field, I need to know that, and respond (in this scenario, I want to clear the selection from the corresponding listview).
I am currently looking at what control has focus, and only considering EN_CHANGE's to be "from the user" if the edit control has focus.
This works beautifully under Windows 7. This fails under XP (I haven't tested Vista yet).
In XP, if the edit field has the focus, but the user clicks on the list view, and the list view tells the edit control to set its contents, then I get a notification from the edit control which claims to still have focus (::GetFocus() == HWND of edit control). But this incorrect state doesn't occur in Win7.
This is a layered interface, so I cannot modify the list-view notification handler. It gets a selection change, and updates the edit field without my involvement or ability to really intervene other than to get notifications from both of them.
Any thoughts on how to generically, permanently solve the "Is this control notification really from the user" conundrum?
You can always track LVM_ITEMCHANGING, LVM_ITEMCHANGED, and EN_MSGFILTER messages. If the edit box is modified between LVM_ITEMCHANGING and LVM_ITEMCHANGED without an EN_MSGFILTER in between then you can probably assume the user did not modify the item. Or just check to see if there are any items selected when EN_CHANGE fires and if not or the text doesn't match the selected item, assume it is a user edit.
Or use ES_MULTILINE (from EN_CHANGE documentation):
The EN_CHANGE notification is not sent
when the ES_MULTILINE style is used
and the text is sent through
WM_SETTEXT.
I'd suggest using the right message. EN_CHANGE is too generic, you want to know if the user typed or pasted text. So why not subclass the control and watch for WM_KEYPRESS messages?
Alternatively, you can set a flag in your other code that sets the edit control content. You might be able to assume that anything that makes your wndproc re-entrant represents a programmatic change.
You aren't looking for something actually secure, are you? If you just want to exclude set content calls that's fairly straightforward. If you want to differentiate between user action and programmatic simulation of user keypresses, that's a much harder problem.

Blue Prism Write to Web Client

Has anyone had any problems writing data to a web client data field?
Having spied the field to be written in, the write action correctly writes the value from the data item into the web field. We then "Save" the value in the field by clicking the Save button. This is when the value reverts back to the value that was previously in the field and does not save the new value.
Copying the value from the data item and pasting it directly into the web field and hitting save works fine, but for some reason when Blue Prism does the write action and then save, the new value is not saved.
Any suggestions?
This is probably due to the way the web application is coded - specifically, the data in the box is not acknowledged until a keydown event (or similar) is fired. When you copy/paste the data into the field, it fires a similar event where it believes the user to have interacted with the field.
The solution for this type of field is to use the Send Keys or Global Send Keys functionalities of Blue Prism to send the desired text.
It happens when the target application uses java script events to sense the changes in the element. To handle this , you have to use the send keys in following format.
1. Focus the application / Control
2. Send Global mouse click centre to the element
3. Send "Sendkeys" to the application now.
4. Focus a dummy element in the page to let the page sense your input.
If the old value is already higlighted when the spied field is selected, try getting BP to delete it first, then paste in the new value, then click on the field again, then save. If this doesn't work, then uncheck the URL attribute of the application model you are using for the spied field and try this again.

basic blue prism email login object

Trying to learn basic blue prism.
I have made an object to login to my gmail account.
It enters the page where mail id has to be entered. The email id gets entered and the next page appears where the password has to be entered. But in the writer tool it shows the following message : "Internal : Failed to perform step 1 in Write Stage 'Writer2' on page 'Initialise' - No elements match the supplied query terms"
I looked into all the most obvious bugs and I cant find anything wrong. Can someone please give any suggestions as to what the problem could be?
The specific error message you're getting indicates there's an issue with your spying of the element you're attempting a Write on.
Without knowing anything else about the way you've included/excluded certain attributes of the element you're attempting to write to, the only sound advice one could offer would be to open the Application Modeler and trial-and-error the "Match?" for each attribute until you're able to use the "Highlight" button and verify a single interface element is selected. (Usually in circumstances such as yours, the "Value" attribute of the element you've spied has its Match checkbox selected, but the value has changed since spying it, thus making it not a match.)
check if the data item you are storing the password in is of password type.
You can reset the password by going ahead with the "write" property and delete once and drag-drop again at the same place and click OK. reset the flowchart and run them again, you'll not get the error. I had faced the same issue earlier and got fixed.
It sometimes happens due to the slowness of your internet connection BP not able to read the data item info and directly moved to next steps, to fix it, you can use wait functionality and give the 8-10 sec of wait time.
Hope this helps.
stay blessed!
When spying a browser please make sure you are using HTML mode to capture the necessary Element (please note that BP only supports IE, so no Chrome or other browser!). Also, please remember that the browser page you are spying has to be launched from the Application Modeller in order to be "attached" by BP.
To cycle between modes, simply hit the Alt key after clicking "Identify" on the Application Modeller. After you have captured the correct area of the page where your password goes, uncheck all the attributes of the element that are blank and also the URL attribute (you should be left with 4 maybe 5 atributes left), then hit "Apply" and "OK". Click "Highlight" to make sure BP still finds the element of the page that you want. Then in your Process or Object canvas, use a "Write" stage and drop this element you just created in the Element field, and the password into the Value field (the value has to be between "" unless you are using a data item instead of typing it in). If you have done all this, the "Write" stage should most definitely enter the password into the password field. Good luck!

Dismissing a Carbon modal dialog with the ESC key

I've got a dialog in my application which is created using CreateStandardAlert/RunStandardAlert. Currently my 'OK' button is responding to the Return key, but Escape does nothing. Reading around the documentation it says that modal dialogs should respond to Escape, but this one isn't. Do I need to specify filterProc in the call to RunStandardAlert (currently I've set it to 0) or is the problem most likely somewhere else in my code?
I assume your dialog doesn't have a Cancel button, which is what normally responds to Escape. I'm not sure if it is expected that an OK button should respond to Escape. You might be able to use SetDialogCancelItem if you could find the item number of the button.
It turns out I hadn't set one of my buttons as the cancel button. Basically I needed to put the following code to set it up:
alertParams.cancelText = (CFStringRef) kAlertDefaultCancelText;
alertParams.cancelButton = kAlertStdAlertCancelButton;
(this is after populating alertParams using GetStandardAlertDefaultParams)

property sheet data validation

When the user clicks the OK or APPLY button on a property sheet and the program determines data on some page is invalid, how can I cause the page containing the error to be displayed along with a message box describing the error?
Currently the procedure doing the validation does the following while processing the PSN_APPLY notification.
MessageBox (hDlg, "Data must be positive!", "Error", MB_OK);
SetWindowLong (hDlg, DWL_MSGRESULT, PSNRET_INVALID);
This works ok if the page doing the validation (A) is currently displayed but if some other page (B) is being displayed, the message box appears with that page (B) being displayed, then when the message box is answered, the page with the validation error (A) is displayed. I thought about setting some flag so that when that page (A) gets the PSN_SETACTIVE notification it displays the message box but that seems kind of hokey.
Win32 API in c++, no MFC, no NET, nothing fancy.
I think the problem is in the design of your validation and it's presentation.
Am I right in thinking that you iterate through your property sheets, validate them and display a message box if something is awry? Because of course, what you have witnessed will happen, if I am on property page 3 and I wrote crap in to a field on property page 1.
The easiest solution is, when validating, note which property page the field in question is, and set that one active if the user has written crap in to one of your fields. This seems the fastest way possible.
Also, rather than spring up an annoying message box, reserve some room beneath the property pages to display a textual (red or otherwise) warning as to why, and then change to the appropriate property page, and highlight the offending control. Your validation routine can do this nice and easily as it loops through.
Even better, don't stop at the first error. One thing I HATE is correcting one field that I think is the only issue, only to be told every time I hit "OK" or "SUBMIT" that there's something else I missed.
I seriously think you should consider going the extra mile here... loop through ALL controls, and add all invalid ones to a list. Then change each offending control's background colour, tab colour etc... Then the user can work through and correct, no matter how many errors he or she made.

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