Kexi/Handbook/Building Simple Databases/Designing Forms/Actions: Difference between revisions
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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). | 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). | ||
<!--T:3--> | ===== Assigning actions to form buttons ===== <!--T:3--> | ||
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# Switch to form's | # Switch to form's Design view if you have not done yet.</translate> | ||
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# An '''Assigning Action to | # 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. </translate> | ||
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# From the '''Action''' | # From the '''Action category''' list select <menuchoice>Application actions</menuchoice> item. Available application-wide actions will be listed. </translate> | ||
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# Select one of the actions on the list (e.g. <menuchoice>Delete | # Select one of the actions on the list (e.g. <menuchoice>Delete Selected object</menuchoice>).</translate> | ||
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# Click the <menuchoice>OK</menuchoice> button or press the <keycap>Enter</keycap> key to accept your selection. | <!--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. --> | |||
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After switching to the form's data view you can try whether the action works. 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). | 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). --> | ||
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{{Note| | {{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. <!--}}--> | ||
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* Actions only work in the form's data view. Not every action's assignment is reasonable. For example, the <menuchoice>Font...</menuchoice> action is available in data view, but only if you have a widget selected in the | * 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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Latest revision as of 06:51, 16 May 2014
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 Enter key.
- Click the button widget with the right mouse button to display the context menu.
- From the context menu select 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 item selected.
- From the Action category list select item. Available application-wide actions will be listed.
- Select one of the actions on the list (e.g. ).
After switching to the form's data view you can try whether the action works.
Note
To remove an action assignment, select the 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 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.