com.thoughtworks.selenium.webdriven.commands.SeleniumSelect.java Source code

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Here is the source code for com.thoughtworks.selenium.webdriven.commands.SeleniumSelect.java

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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you 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.thoughtworks.selenium.webdriven.commands;

import com.google.common.collect.Lists;

import com.thoughtworks.selenium.SeleniumException;
import com.thoughtworks.selenium.webdriven.ElementFinder;
import com.thoughtworks.selenium.webdriven.JavascriptLibrary;

import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;

import java.util.List;

public class SeleniumSelect {

    private final String findOption;
    private final WebDriver driver;
    private final WebElement select;

    public SeleniumSelect(JavascriptLibrary library, ElementFinder finder, WebDriver driver, String locator) {
        this.driver = driver;

        findOption = "return (" + library.getSeleniumScript("findOption.js") + ").apply(null, arguments)";

        select = finder.findElement(driver, locator);
        if (!"select".equals(select.getTagName().toLowerCase())) {
            throw new SeleniumException("Element is not a select element: " + locator);
        }
    }

    public void setSelected(String optionLocator) {
        if (isMultiple()) {
            for (WebElement opt : select.findElements(By.tagName("option"))) {
                if (opt.isSelected()) {
                    opt.click();
                }
            }
        }

        WebElement option = findOption(optionLocator);
        if (!option.isSelected()) {
            option.click();
        }
    }

    public void addSelection(String optionLocator) {
        assertSupportsMultipleSelections();

        WebElement option = findOption(optionLocator);
        if (!option.isSelected()) {
            option.click();
        }
    }

    public void removeSelection(String optionLocator) {
        assertSupportsMultipleSelections();

        WebElement option = findOption(optionLocator);
        if (option.isSelected()) {
            option.click();
        }
    }

    public List<WebElement> getSelectedOptions() {
        List<WebElement> toReturn = Lists.newArrayList();

        for (WebElement option : select.findElements(By.tagName("option"))) {
            if (option.isSelected()) {
                toReturn.add(option);
            }
        }

        return toReturn;
    }

    public WebElement findOption(String optionLocator) {
        return (WebElement) ((JavascriptExecutor) driver).executeScript(findOption, select, optionLocator);
    }

    private void assertSupportsMultipleSelections() {
        if (!isMultiple()) {
            throw new SeleniumException(
                    "You may only add a selection to a select that supports multiple selections");
        }
    }

    private boolean isMultiple() {
        String multipleValue = select.getAttribute("multiple");
        boolean multiple = "true".equals(multipleValue) || "multiple".equals(multipleValue);
        return multiple;
    }

    public List<WebElement> getAllOptions() {
        return select.findElements(By.tagName("option"));
    }
}