org.jumpmind.metl.ui.common.EnableFocusTextField.java Source code

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Here is the source code for org.jumpmind.metl.ui.common.EnableFocusTextField.java

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/**
 * Licensed to JumpMind Inc under one or more contributor
 * license agreements.  See the NOTICE file distributed
 * with this work for additional information regarding
 * copyright ownership.  JumpMind Inc licenses this file
 * to you under the GNU General Public License, version 3.0 (GPLv3)
 * (the "License"); you may not use this file except in compliance
 * with the License.
 *
 * You should have received a copy of the GNU General Public License,
 * version 3.0 (GPLv3) along with this library; if not, see
 * <http://www.gnu.org/licenses/>.
 *
 * 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 org.jumpmind.metl.ui.common;

import com.vaadin.data.Property;
import com.vaadin.ui.TextField;

@SuppressWarnings("serial")
public class EnableFocusTextField extends TextField {

    protected boolean focusAllowed = true;

    ValueChangeListener listener;

    public EnableFocusTextField() {
    }

    public void setFocusAllowed(boolean focusAllowed) {
        this.focusAllowed = focusAllowed;
    }

    public boolean isFocusAllowed() {
        return focusAllowed;
    }

    @Override
    public void addValueChangeListener(com.vaadin.data.Property.ValueChangeListener listener) {
        super.addValueChangeListener(listener);
        this.listener = listener;
    }

    @SuppressWarnings("rawtypes")
    @Override
    public void setPropertyDataSource(Property newDataSource) {
        if (listener != null) {
            super.removeValueChangeListener(listener);
        }
        super.setPropertyDataSource(newDataSource);
        if (listener != null) {
            super.addValueChangeListener(listener);
        }

    }

    @Override
    public void focus() {
        if (focusAllowed) {
            super.focus();
        }
    }

}