com.gwtmodel.table.view.ewidget.gwt.FieldCheckField.java Source code

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Here is the source code for com.gwtmodel.table.view.ewidget.gwt.FieldCheckField.java

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/*
 * Copyright 2017 stanislawbartkowski@gmail.com 
 * 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.gwtmodel.table.view.ewidget.gwt;

import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.user.client.ui.CheckBox;
import com.gwtmodel.table.IVField;
import com.gwtmodel.table.editw.IFormChangeListener;
import com.gwtmodel.table.editw.IFormFieldProperties;

/**
 * 
 * @author perseus
 */
class FieldCheckField extends AbstractField {

    private final CheckBox ch;

    @SuppressWarnings("deprecation")
    FieldCheckField(IVField v, IFormFieldProperties pr) {
        super(v, pr);
        ch = new CheckBox();
        if (pr.getDisplayName() != null) {
            ch.setText(pr.getDisplayName());
        }
        ch.setChecked(true);
        initWidget(ch);
        // set html element name
        ch.setName(getHtmlName());
    }

    @SuppressWarnings("deprecation")
    @Override
    public void setValObj(Object o) {
        Boolean b = (Boolean) o;
        if (b != null) {
            ch.setChecked(b.booleanValue());
        }

    }

    @Override
    public Object getValObj() {
        @SuppressWarnings("deprecation")
        Boolean b = new Boolean(ch.isChecked());
        return b;
    }

    @Override
    public void setReadOnly(boolean readOnly) {
        ch.setEnabled(!readOnly);
    }

    private class BChange implements ValueChangeHandler<java.lang.Boolean> {

        private final IFormChangeListener l;

        BChange(final IFormChangeListener l) {
            this.l = l;
        }

        @Override
        public void onValueChange(ValueChangeEvent<Boolean> event) {
            l.onChange(FieldCheckField.this, true);

        }

    }

    @Override
    public void addChangeListener(final IFormChangeListener l) {
        super.addChangeListener(l);
        ch.addValueChangeHandler(new BChange(l));
    }

    @Override
    public void setFocus(boolean focus) {
        ch.setFocus(focus);

    }

}