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package org.eclipse.fx.emf.edit.ui;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.scene.control.Cell;
import javafx.scene.control.TextField;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.edit.command.SetCommand;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.fx.emf.edit.ui.AdapterFactoryCellFactory.ICellEditHandler;
public class EAttributeCellEditHandler implements ICellEditHandler {
EAttribute attribute;
EditingDomain editingDomain;
TextField textField;
public EAttributeCellEditHandler(EAttribute attribute, EditingDomain editingDomain) {
this.attribute = attribute;
this.editingDomain = editingDomain;
}
@Override
public boolean canEdit(Cell<?> treeCell) {
Object item = treeCell.getItem();
return item instanceof EObject && ((EObject) item).eClass().getEAllAttributes().contains(attribute);
}
@Override
public void startEdit(final Cell<?> cell) {
EObject item = (EObject) cell.getItem();
String string = EcoreUtil.convertToString(attribute.getEAttributeType(), item.eGet(attribute));
textField = new TextField();
textField.focusedProperty().addListener(new ChangeListener<Boolean>() {
@Override
public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) {
if (!newValue)
commitEdit(cell, textField.getText());
}
});
textField.setText(string);
cell.setText(null);
cell.setGraphic(textField);
textField.selectAll();
}
@Override
public void cancelEdit(Cell<?> treeCell) {
// do nothing
}
@Override
public void commitEdit(Cell<?> treeCell, Object newValue) {
Object item = treeCell.getItem();
Object value = EcoreUtil.createFromString(attribute.getEAttributeType(), (String) newValue);
Command command = SetCommand.create(editingDomain, item, attribute, value);
if (command.canExecute())
editingDomain.getCommandStack().execute(command);
}
}
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