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TextField: added "clear" callback

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This commit is contained in:
Karl Tauber
2021-12-14 11:28:03 +01:00
parent 45332c8126
commit 12b7389376
2 changed files with 54 additions and 12 deletions
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30
flatlaf-core/src/main/java/com/formdev/flatlaf/FlatClientProperties.java
View File

@@ -914,6 +914,36 @@ public interface FlatClientProperties
*/ */
String TEXT_FIELD_SHOW_CLEAR_BUTTON = "JTextField.showClearButton"; String TEXT_FIELD_SHOW_CLEAR_BUTTON = "JTextField.showClearButton";
/**
* Specifies the callback that is invoked when a "clear" (or "cancel") button is clicked.
* If a callback is specified than it is responsible for clearing the text field.
* Without callback, the text field clears itself.
* <p>
* Either use a {@link java.lang.Runnable}:
* <pre>{@code
* myTextField.putClientProperty( "JTextField.clearCallback",
* (Runnable) () -> {
* // clear field here or cancel search
* } );
* }</pre>
* Or use a {@link java.util.function.Consumer}&lt;javax.swing.text.JTextComponent&gt;
* that receives the text field as parameter:
* <pre>{@code
* myTextField.putClientProperty( "JTextField.clearCallback",
* (Consumer<JTextComponent>) textField -> {
* // clear field here or cancel search
* } );
* }</pre>
* <p>
* <strong>Component</strong> {@link javax.swing.JTextField} (and subclasses)<br>
* <strong>Value type</strong> {@link java.lang.Runnable}
* or {@link java.util.function.Consumer}&lt;javax.swing.text.JTextComponent&gt;
*
* @see #TEXT_FIELD_SHOW_CLEAR_BUTTON
* @since 2
*/
String TEXT_FIELD_CLEAR_CALLBACK = "JTextField.clearCallback";
//---- JToggleButton ------------------------------------------------------ //---- JToggleButton ------------------------------------------------------
/** /**

36
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTextFieldUI.java
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@@ -35,6 +35,7 @@ import java.beans.PropertyChangeEvent;
import java.util.Map; import java.util.Map;
import java.util.Objects; import java.util.Objects;
import java.util.concurrent.atomic.AtomicBoolean; import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Consumer;
import javax.swing.Icon; import javax.swing.Icon;
import javax.swing.JButton; import javax.swing.JButton;
import javax.swing.JComboBox; import javax.swing.JComboBox;
@@ -752,18 +753,6 @@ debug*/
} }
} }
/** @since 2 */
protected JComponent createClearButton() {
JButton button = new JButton();
button.putClientProperty( STYLE_CLASS, "clearButton" );
button.putClientProperty( BUTTON_TYPE, BUTTON_TYPE_TOOLBAR_BUTTON );
button.setCursor( Cursor.getDefaultCursor() );
button.addActionListener( e -> {
getComponent().setText( "" );
} );
return button;
}
/** @since 2 */ /** @since 2 */
protected void uninstallClearButton() { protected void uninstallClearButton() {
if( clearButton != null ) { if( clearButton != null ) {
@@ -772,6 +761,29 @@ debug*/
} }
} }
/** @since 2 */
protected JComponent createClearButton() {
JButton button = new JButton();
button.putClientProperty( STYLE_CLASS, "clearButton" );
button.putClientProperty( BUTTON_TYPE, BUTTON_TYPE_TOOLBAR_BUTTON );
button.setCursor( Cursor.getDefaultCursor() );
button.addActionListener( e -> clearButtonClicked() );
return button;
}
/** @since 2 */
@SuppressWarnings( "unchecked" )
protected void clearButtonClicked() {
JTextComponent c = getComponent();
Object callback = c.getClientProperty( TEXT_FIELD_CLEAR_CALLBACK );
if( callback instanceof Runnable )
((Runnable)callback).run();
else if( callback instanceof Consumer )
((Consumer<JTextComponent>)callback).accept( c );
else
c.setText( "" );
}
/** @since 2 */ /** @since 2 */
protected void updateClearButton() { protected void updateClearButton() {
if( clearButton == null ) if( clearButton == null )