package org.jboss.seam.ui.util.cdk;
import javax.el.MethodExpression;
import javax.el.ValueExpression;
import javax.faces.component.ActionSource2;
import javax.faces.component.EditableValueHolder;
import javax.faces.component.UIComponent;
import javax.faces.component.ValueHolder;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.event.MethodExpressionActionListener;
import javax.faces.event.MethodExpressionValueChangeListener;
import javax.faces.validator.MethodExpressionValidator;
import javax.faces.webapp.UIComponentELTag;
import org.jboss.seam.log.LogProvider;
import org.jboss.seam.log.Logging;
/**
* @author Maksim Kaszynski
*
*/
public abstract class UIComponentELTagBase extends UIComponentELTag {
private static final LogProvider log = Logging.getLogProvider(UIComponentELTagBase.class);
protected void setActionListenerProperty(UIComponent component, MethodExpression actionListener) {
if (actionListener != null) {
if (component instanceof ActionSource2) {
ActionSource2 actionSource2 = (ActionSource2) component;
actionSource2.addActionListener(new MethodExpressionActionListener(actionListener));
} else {
throw new IllegalArgumentException(Messages.getMessage(Messages.NO_ACTION_SOURCE2_ERROR, component.getClientId(getFacesContext())));
}
}
}
protected void setActionProperty(UIComponent component, MethodExpression action) {
if (action != null) {
if (component instanceof ActionSource2) {
ActionSource2 actionSource2 = (ActionSource2) component;
actionSource2.setActionExpression(action);
} else {
throw new IllegalArgumentException(Messages.getMessage(Messages.NO_ACTION_SOURCE2_ERROR, component.getClientId(getFacesContext())));
}
}
}
protected void setConverterProperty(UIComponent component, ValueExpression converter) {
if (converter != null) {
if (component instanceof ValueHolder) {
ValueHolder output = (ValueHolder) component;
if (!converter.isLiteralText()) {
component.setValueExpression("converter", converter);
} else {
Converter conv = FacesContext.getCurrentInstance().getApplication().createConverter(converter.getExpressionString());
output.setConverter(conv);
}
} else {
throw new IllegalArgumentException(Messages.getMessage(Messages.NO_VALUE_HOLDER_ERROR, component.getClass().getName()));
}
}
}
protected void setValidatorProperty(UIComponent component, MethodExpression validator) {
if (validator != null) {
if (component instanceof EditableValueHolder) {
EditableValueHolder input = (EditableValueHolder) component;
input.addValidator(new MethodExpressionValidator(validator));
} else {
throw new IllegalArgumentException(Messages.getMessage(Messages.NO_EDITABLE_VALUE_HOLDER_ERROR, component.getId()));
}
}
}
protected void setValueChangeListenerProperty(UIComponent component, MethodExpression valueChangeListener) {
if (valueChangeListener != null) {
if (component instanceof EditableValueHolder) {
EditableValueHolder input = (EditableValueHolder) component;
input.addValueChangeListener(new MethodExpressionValueChangeListener(valueChangeListener));
} else {
throw new IllegalArgumentException(Messages.getMessage(Messages.NO_EDITABLE_VALUE_HOLDER_ERROR, component.getId()));
}
}
}
}