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- /*
- * Copyright 2000-2021 Vaadin Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
- package com.vaadin.client.ui;
-
- import com.vaadin.client.StyleConstants;
- import com.vaadin.shared.AbstractFieldState;
-
- /**
- * Base class for field connectors.
- *
- * @author Vaadin Ltd
- */
- public abstract class AbstractFieldConnector extends AbstractComponentConnector
- implements HasRequiredIndicator {
-
- @Override
- public AbstractFieldState getState() {
- return (AbstractFieldState) super.getState();
- }
-
- @Override
- public boolean isRequiredIndicatorVisible() {
- return getState().required && !isReadOnly();
- }
-
- @SuppressWarnings("deprecation")
- @Override
- protected void updateWidgetStyleNames() {
- super.updateWidgetStyleNames();
-
- // add / remove read-only style name
- setWidgetStyleName("v-readonly", isReadOnly());
-
- // add / remove error style name to Fields
- setWidgetStyleNameWithPrefix(getWidget().getStylePrimaryName(),
- StyleConstants.REQUIRED_EXT, isRequiredIndicatorVisible());
- }
-
- /**
- * Checks if the connector is read only.
- *
- * @return true
- */
- public boolean isReadOnly() {
- return getState().readOnly;
- }
- }
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