View source for Kexi/Handbook/Building Simple Databases/Designing Forms/Actions/en

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====Actions====

An Action is a single activity isolated in the application, available for the user to execute. It can also be executed automatically as a reaction for a given event (e.g. after opening a form). 

Assigning actions to form buttons

Many actions can be assigned to form button. The assigned action is executed after button is clicked. 

To assign action:

# Switch to form's '''Design''' view if you have not done yet.
# Select the existing button widget by clicking on it or put a new button widget onto the form. If you inserted a new button, enter its title and press <keycap>Enter</keycap> key. 
# Click the button widget with the right mouse button to display the context menu. 
# From the context menu select <menuchoice>Assign action...</menuchoice> command. 
# An '''Assigning Action to Button''' dialog window will appear presenting a list of available actions. One of the actions is selected if the widget already has action assigned. Otherwise the '''Action category''' list has the <menuchoice>No action</menuchoice> item selected. 
# From the '''Action type''' list select <menuchoice>Application actions</menuchoice> item. Available application-wide actions will be listed. 
# Select one of the actions on the list (e.g. <menuchoice>Delete Selected object</menuchoice>).
<!--dialog closes immediately after clicking an action in the list
# Click the <menuchoice>OK</menuchoice> button or press the <keycap>Enter</keycap> key to accept your selection. -->

After switching to the form's data view you can try whether the action works. <!--FIXME not in master/2.4 For example, if you assigned <menuchoice>Delete Row</menuchoice> action, clicking the button, the current database row will be deleted, similarly to executing <menuchoice>Edit->Delete Row</menuchoice> (<keycap>Ctrl+Delete</keycap>) menu command (depending on your settings you may be asked to confirm the removal). -->

{{Note|
* To remove an action assignment, select the <menuchoice>No action</menuchoice> item from the '''Action category''' list of the '''Assigning Action to Button''' dialog window. <!--}}-->

* Actions only work in the form's data view. Not every action's assignment is reasonable. For example, the <!--FIXME in master/2.4 no Font action available???--><menuchoice>Font...</menuchoice> action is available in data view, but only if you have a widget selected in the '''Design''' view. If you make changes to the font settings the changes are applied to the text of that selected widget.}} <!--{{-->

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