Created
June 2, 2021 19:10
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Java Swing JTable select all text on editing
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import java.awt.Color; | |
import java.awt.Component; | |
import java.awt.event.ActionEvent; | |
import java.awt.event.KeyEvent; | |
import java.awt.event.MouseEvent; | |
import java.util.EventObject; | |
import javax.swing.JTable; | |
import javax.swing.SwingUtilities; | |
import javax.swing.text.JTextComponent; | |
public class TableSelectAllOnEditing extends JTable { | |
boolean isSelectAll = true; | |
@Override | |
public boolean editCellAt(int row, int column, EventObject e) { | |
boolean result = super.editCellAt(row, column, e); | |
selectAll(e); | |
return result; | |
} | |
private void selectAll(EventObject e) { | |
final Component editor = getEditorComponent(); | |
if (editor == null | |
|| !(editor instanceof JTextComponent)) { | |
return; | |
} | |
if (e == null) { | |
((JTextComponent) editor).selectAll(); | |
((JTextComponent) editor).setSelectionColor(new Color(29, 127, 207)); | |
((JTextComponent) editor).setBorder(javax.swing.BorderFactory.createLineBorder(new Color(77, 164, 235), 1)); | |
return; | |
} | |
// Modo de edição ao pressionar qualquer tecla | |
if (e instanceof KeyEvent && isSelectAll) { | |
((JTextComponent) editor).selectAll(); | |
((JTextComponent) editor).setSelectionColor(new Color(29, 127, 207)); | |
((JTextComponent) editor).setBorder(javax.swing.BorderFactory.createLineBorder(new Color(77, 164, 235), 1)); | |
return; | |
} | |
// Modo de edição ao pressionar F2 | |
if (e instanceof ActionEvent && isSelectAll) { | |
((JTextComponent) editor).selectAll(); | |
((JTextComponent) editor).setSelectionColor(new Color(29, 127, 207)); | |
((JTextComponent) editor).setBorder(javax.swing.BorderFactory.createLineBorder(new Color(77, 164, 235), 1)); | |
return; | |
} | |
// Modo de edição ao pressionar ao dar 2 cliques com o mouse | |
if (e instanceof MouseEvent && isSelectAll) { | |
SwingUtilities.invokeLater(() -> { | |
((JTextComponent) editor).selectAll(); | |
((JTextComponent) editor).setSelectionColor(new Color(29, 127, 207)); | |
((JTextComponent) editor).setBorder(javax.swing.BorderFactory.createLineBorder(new Color(77, 164, 235), 1)); | |
}); | |
} | |
} | |
/* | |
* habilitar/desabilitar modo de edição para selecionar tudo ao entrar na célula | |
*/ | |
public void setSelectAllForEdit(boolean isSelectAll) { | |
this.isSelectAll = isSelectAll; | |
} | |
} |
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