javafx.scene.control.cell.TextFieldTableCell Maven / Gradle / Ivy
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* accompanied this code).
*
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package javafx.scene.control.cell;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.scene.control.*;
import javafx.util.Callback;
import javafx.util.StringConverter;
import javafx.util.converter.DefaultStringConverter;
/**
* A class containing a {@link TableCell} implementation that draws a
* {@link TextField} node inside the cell.
*
* By default, the TextFieldTableCell is rendered as a {@link Label} when not
* being edited, and as a TextField when in editing mode. The TextField will, by
* default, stretch to fill the entire table cell.
*
* @param The type of the TableView generic type
* @param The type of the elements contained within the TableColumn.
* @since JavaFX 2.2
*/
public class TextFieldTableCell extends TableCell {
/* *************************************************************************
* *
* Static cell factories *
* *
**************************************************************************/
/**
* Provides a {@link TextField} that allows editing of the cell content when
* the cell is double-clicked, or when
* {@link TableView#edit(int, javafx.scene.control.TableColumn)} is called.
* This method will only work on {@link TableColumn} instances which are of
* type String.
*
* @param The type of the TableView generic type
* @return A {@link Callback} that can be inserted into the
* {@link TableColumn#cellFactoryProperty() cell factory property} of a
* TableColumn, that enables textual editing of the content.
*/
public static Callback, TableCell> forTableColumn() {
return forTableColumn(new DefaultStringConverter());
}
/**
* Provides a {@link TextField} that allows editing of the cell content when
* the cell is double-clicked, or when
* {@link TableView#edit(int, javafx.scene.control.TableColumn) } is called.
* This method will work on any {@link TableColumn} instance, regardless of
* its generic type. However, to enable this, a {@link StringConverter} must
* be provided that will convert the given String (from what the user typed
* in) into an instance of type T. This item will then be passed along to the
* {@link TableColumn#onEditCommitProperty()} callback.
*
* @param The type of the TableView generic type
* @param The type of the elements contained within the TableColumn
* @param converter A {@link StringConverter} that can convert the given String
* (from what the user typed in) into an instance of type T.
* @return A {@link Callback} that can be inserted into the
* {@link TableColumn#cellFactoryProperty() cell factory property} of a
* TableColumn, that enables textual editing of the content.
*/
public static Callback, TableCell> forTableColumn(
final StringConverter converter) {
return list -> new TextFieldTableCell<>(converter);
}
/* *************************************************************************
* *
* Fields *
* *
**************************************************************************/
private TextField textField;
/* *************************************************************************
* *
* Constructors *
* *
**************************************************************************/
/**
* Creates a default TextFieldTableCell with a null converter. Without a
* {@link StringConverter} specified, this cell will not be able to accept
* input from the TextField (as it will not know how to convert this back
* to the domain object). It is therefore strongly encouraged to not use
* this constructor unless you intend to set the converter separately.
*/
public TextFieldTableCell() {
this(null);
}
/**
* Creates a TextFieldTableCell that provides a {@link TextField} when put
* into editing mode that allows editing of the cell content. This method
* will work on any TableColumn instance, regardless of its generic type.
* However, to enable this, a {@link StringConverter} must be provided that
* will convert the given String (from what the user typed in) into an
* instance of type T. This item will then be passed along to the
* {@link TableColumn#onEditCommitProperty()} callback.
*
* @param converter A {@link StringConverter converter} that can convert
* the given String (from what the user typed in) into an instance of
* type T.
*/
public TextFieldTableCell(StringConverter converter) {
this.getStyleClass().add("text-field-table-cell");
setConverter(converter);
}
/* *************************************************************************
* *
* Properties *
* *
**************************************************************************/
// --- converter
private ObjectProperty> converter =
new SimpleObjectProperty<>(this, "converter");
/**
* The {@link StringConverter} property.
* @return the {@link StringConverter} property
*/
public final ObjectProperty> converterProperty() {
return converter;
}
/**
* Sets the {@link StringConverter} to be used in this cell.
* @param value the {@link StringConverter} to be used in this cell
*/
public final void setConverter(StringConverter value) {
converterProperty().set(value);
}
/**
* Returns the {@link StringConverter} used in this cell.
* @return the {@link StringConverter} used in this cell
*/
public final StringConverter getConverter() {
return converterProperty().get();
}
/* *************************************************************************
* *
* Public API *
* *
**************************************************************************/
/** {@inheritDoc} */
@Override public void startEdit() {
super.startEdit();
if (!isEditing()) {
return;
}
if (textField == null) {
textField = CellUtils.createTextField(this, getConverter());
}
CellUtils.startEdit(this, getConverter(), null, null, textField);
}
/** {@inheritDoc} */
@Override public void cancelEdit() {
super.cancelEdit();
CellUtils.cancelEdit(this, getConverter(), null);
}
/** {@inheritDoc} */
@Override public void updateItem(T item, boolean empty) {
super.updateItem(item, empty);
CellUtils.updateItem(this, getConverter(), null, null, textField);
}
}