gwt.material.design.client.custom.MaterialCheckBoxCell.java Source code

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Here is the source code for gwt.material.design.client.custom.MaterialCheckBoxCell.java

Source

package gwt.material.design.client.custom;

/*
 * #%L
 * GwtMaterial
 * %%
 * Copyright (C) 2015 GwtMaterialDesign
 * %%
 * 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.
 * #L%
 */

import com.google.gwt.cell.client.CheckboxCell;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;

public class MaterialCheckBoxCell extends CheckboxCell {

    private static final SafeHtml INPUT_CHECKED = SafeHtmlUtils
            .fromSafeConstant("<input type=\"checkbox\" tabindex=\"-1\" checked/><label/>");
    private static final SafeHtml INPUT_UNCHECKED = SafeHtmlUtils
            .fromSafeConstant("<input type=\"checkbox\" tabindex=\"-1\"/><label/>");

    public MaterialCheckBoxCell() {
        super();
        // TODO Auto-generated constructor stub
    }

    public MaterialCheckBoxCell(boolean dependsOnSelection, boolean handlesSelection) {
        super(dependsOnSelection, handlesSelection);
        // TODO Auto-generated constructor stub
    }

    @Override
    public void render(com.google.gwt.cell.client.Cell.Context context, Boolean value, SafeHtmlBuilder sb) {
        Object key = context.getKey();
        Boolean viewData = getViewData(key);
        if (viewData != null && viewData.equals(value)) {
            clearViewData(key);
            viewData = null;
        }

        if (value != null && ((viewData != null) ? viewData : value)) {
            sb.append(INPUT_CHECKED);
        } else {
            sb.append(INPUT_UNCHECKED);
        }
    }

}