Difference between revisions of "Scout/Concepts/KeyStroke"
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protected String getConfiguredKeyStroke() { | protected String getConfiguredKeyStroke() { | ||
| − | return " | + | return "f5"; |
} | } | ||
Revision as of 05:30, 19 November 2013
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Special type of Action for key actions.
- implements:
IKeyStroke - extends:
AbstractKeyStroke
Contents
Description
In Eclipse Scout you can set KeyStrokes to components (such as Menus, Buttons, StringFields, GroupBoxes...). A KeyStroke represents a certain key sequence on the keyboard and can be associated with an action if the key sequence is pressed. For example one can associate a KeyStroke (F5) on a table in order to refresh it.
A KeyStroke in Scout is defined as a String and set via
@Override
protected String getConfiguredKeyStroke() {
return "<keyStrokeDefinition>";
}Below you will see some examples of keyStrokes:
- Alt+F4 --> alternate-f4
- Ctrl+Alt+1 --> control-alternate-1
- F1 --> f1
- F10 --> f10
- Ctrl+Shift+1 --> control-shift-1
- Ctrl+Shift+a --> control-shift-a
Scout defines predefined Strings which will be mapped to keyStrokes:
- alternate --> Alt
- control --> Ctrl
- f1 - f12 --> F1 - F12
- shift --> Shift
Examples
KeyStroke on StringField
The following snippet shows a StringField with a keyStroke "F5", which will open a MessageBox if pressed:
public class StringField extends AbstractStringField { @Override protected String getConfiguredLabel() { return "StringField"; } public class KeyStroke extends AbstractKeyStroke { @Override protected String getConfiguredKeyStroke() { return "f5"; } @Override protected void execAction() throws ProcessingException { MessageBox.showOkMessage("KeyStroke", "F5 pressed on TextField", ""); } } }
KeyStroke on ContextMenu
The following snippet shows a SmartField with a context menu and a keyStroke "F5", which will open a MessageBox if pressed:
public class SmartField extends AbstractSmartField<Long> { @Override protected String getConfiguredLabel() { return "SmartField"; } @Order(10.0) public class SmartFieldMenu extends AbstractExtensibleMenu { @Override protected void execAction() throws ProcessingException { MessageBox.showOkMessage("KeyStroke", "Alt+2 pressed on SmartField", ""); } @Override protected String getConfiguredKeyStroke() { return "alt-2"; } @Override protected String getConfiguredText() { return "ContextMenu with KeyStroke"); } } }
Will result in
Screenshot
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Properties
Defined with getConfiguredXxxxxx() methods.
Add a description of important properties. The idea is not to recreate the JavaDoc of the getConfiguredXxxxxx() methods but to provide explanations, best practice, example... Group the properties by domain.
Events
Defined with execXxxxxx() methods.
Add a description of important events. The idea is not to recreate the JavaDoc of the execXxxxxx() methods but to provide explanations, best practice, example... Group the events by domain.