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Старый 25.08.2009, 08:05   #1  
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Kashperuk Ivan: “Go to main table” on a RunBase dialog control
Источник: http://kashperuk.blogspot.com/2009/0...se-dialog.html
==============

In one of my blog posts, I have been posed with the following question:
“how to achieve go to main table on dialog field.
for example a dialog is having a field of lookup custAccount, now what i need to have a go to main table functionality on the same.”


So, the short answer is: It is not possible to override jumpRef method directly on the dialog control. This is due to the fact that in order to show the “Go to Main table” link in the context menu of a control, you need to actually override that method on the form, which is later used to draw the context menu.

There are 3 possible ways that you can achieve the same functionality though, that I would like to briefly discuss here:

  1. Recommended Don’t bother with the dialog. Simply create a form, and override the jumpRef method on the needed control on the form. To demonstrate this behavior, you can use the Tutorial_RunBaseForm class and form. Override the jumpRef method, put the code to call the main form there. And you are done. Simple, and does not require a lot of coding. There is a lot of confusion, where junior AX developers think it will require a lot of code changes to replace a dialog with a form. This is not entirely that hard, as RunBase classes can use a regular AOT form instead of the regular dialog.
  2. Use controlMethodOverload approach, and create the controlName_context() method, which is executed when you try to open the context menu on the specified control. Inside this method, build the context menu from scratch. This way, only the items you want to be shown will be present in the context menu. Note: this means, that standard context menu items, like Setup, will not be shown in the menu (unless you add and handle them).
  3. Use controlMethodOverload approach, as in the previous example, but instead of overriding context() method, override the showContextMenu method. This will allow you to add your custom context menu items to the standard context menu. This does not seem to work on Axapta 3.0 though, and I did not try to figure out why. Note you need to uncomment some code in order to enable this approach (I left a TODO comment for that).
I have made the necessary changes, demonstrating the latter 2 approaches, using the class located under Classes\Tutorial_RunBaseBatch. You can download the xpo here (it contains only the USR layer changes).

The class used for drawing the context menu in the example is called PopupMenu. A good example of how this class can be used in the application is available in AOT under Forms\Tutorial_PopupMenu. Some information, along with another example, is available on MSDN.

A while ago, I have suggested some minor changes to the Dialog framework classes, which allow to simplify the process of overriding control event methods on the dialog. The original post can be found through this link: http://kashperuk.blogspot.com/2007/0...xtensions.html

Let me know if any of this requires more clarification.




Источник: http://kashperuk.blogspot.com/2009/0...se-dialog.html
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