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This has been mentioned, but not officially added here: OR Gates should appear as this symbol: , with the text inside of it and AND Gates should appear as this symbol: with the text inside of it.
As described in the SRS, the state of the PCM-SMs can change between one display of the dialog and the next. But, it can also change after pressing the Add button or the Delete button. The SAME logic should apply, since the number of PCM-SMs is changing in all of these cases. Here is the part of the SRS that describes this:
Note that the state of the PCM-SMs can change between one display of the dialog and the next. The only difference between opening the dialog for the first time and subsequent times is that there could be DFailU/DCauU properties after the first time. FTA0920: So, based on their existence and validity, do the following for the checkbox and textbox fields when opening the dialog:If there are valid DFailU/DCauU property values then If #PCM-SMs >= 1 then Enable SM Name and Diag Cov fields Display DFailU/DCauU properties in the fields Don’t check the checkbox Else Delete DFailU/DCauU properties Don’t check the checkboxElse Delete DFailU/DCauU properties, if any (could be invalid – one property but not the other or Diag Cov not valid) If #PCM-SMs = 0 then Disable SM Name and Diag Cov fields Don’t check the checkbox Else If #PCM-SMs = 1 then Disable SM Name and Diag Cov fields Display PCM-SM properties in the fields Check the checkbox Else If #PCM-SMs >= 2 then Enable SM Name and Diag Cov fields Don’t check the checkbox
Since this dialog saves data to the DB (such as the Edit SM Dist values) and the Add/Delete PCM-SMs, the Cancel button should be renamed to Close, since Cancel implies the user can cancel all actions done in the dialog and this is not true. The different, then, between OK and Close will be that OK will do the required verifications (such as making sure FM Dist = 100), whereas Close means close the dialog without verifications.
I check PCM2 and PCM5 and leave PCM3 checked:
And press OK.
ALL 6 PCM-SMs get included in the DFMEA and therefore appear in the Add Probability dialog (see below). The current SMs section has been photoshopped to show all 7 PCM-SMs.
Display Add Probability dialog for a DFailU/DFail.When two or more safety mechanisms are displayed in the listbox at the bottom, the OK and Cancel buttons are shifted down and no longer available:
You can see the OK and Cancel buttons getting shifted down, which should not happen:
Whenever an error or informatory message is to be displayed to the user, it should be displayed as a message box with an OK button and requires the user to press the OK button before doing any operation in the underlying window/dialog. This includes when a message is displayed from a dialog. This shows a message that is displayed when the OK button is pressed and FM Distribution is not 100:
9/07 Error or Informatory Messages to the User - OpenWhenever an error or informatory message is to be displayed to the user, it should be displayed as a message box with an OK button and requires the user to press the OK button before doing any operation in the underlying window/dialog. This includes when a message is displayed from a dialog. This shows a message that is displayed when the OK button is pressed and FM Distribution is not 100:
And press the delete key to erase the value and then tab off the field, the Total Distribution is not recalculated. Even though the dialog recalculates when all fields contain a numeric value and a user tabs to another field, as soon as a blank is entered, recalculation does not occur.
Note that values are saved in the DB, so if I re-edit the FM Dist values, what I entered are still there.
In the SRS, the sample Edit FM Dist dialog shows <Comp Name> which is a way to indicate that it should be replaced with the Comp Name’s Name:So, the Edit FM Dist dialog at the top of this section should have a title of Edit FM Distribution Values for FF Carb Failures. Do not use () to enclose the component name and also leave a space after the word for.
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