DropDown.java

/**
 * Copyright (C) 2008 Ovea <dev@testatoo.org>
 *
 * 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 org.testatoo.cartridge.html4.element;

import org.testatoo.cartridge.html4.HtmlEvaluator;
import org.testatoo.core.ComponentException;
import org.testatoo.core.Selection;

/**
 * This class allows the testing of a DropDown for html4. Dropdown is equivalent to a "select" element, with simple selection.
 *
 * @author dev@testatoo.org
 * @see <a href="http://www.w3.org/TR/html401/interact/forms.html#edef-SELECT"> "select" specification </a>
 */

public final class DropDown extends org.testatoo.core.component.DropDown {

    private Select select;

    /**
     * Class constructor specifying the evaluator to use and the id of the "select" element we want to test.
     *
     * @param evaluator a UI Test engine specific html evaluator
     * @param id        the id (unique) of the "select" element
     * @throws ComponentException if the id is a multiple select
     */
    public DropDown(HtmlEvaluator evaluator, String id) {
        super(evaluator, id);
        this.evaluator = evaluator;
        select = new Select(evaluator, id);
    }

    /**
     * To get the values in the list.
     *
     * @return a list of String
     */
    public Selection<String> values() {
        return select.values();
    }

    /**
     * To select a given value in the list.
     *
     * @param value the value we want to select
     */
    public void select(String value) {
        select.select(value);
    }

    /**
     * To get the selected value in the list.
     *
     * @return the selected value or empty string if no value selected
     */
    public String selectedValue() {
        if (select.selectedValues().size() == 0)
            return "";
        return select.selectedValues().get(0);
    }

    /**
     * To get a Selection content the selected value in the list
     *
     * @return the
     */
    @Override
    protected Selection<String> listSelectedValues() {
        return select.selectedValues();
    }
}