package util;

import org.openqa.selenium.JavascriptExecutor;

import org.openqa.selenium.WebDriver;

import org.openqa.selenium.WebElement;

public class ScrollBarUtil {

    /**

     * 控制滚动条向下拉到底

     * @param driver 浏览器驱动

     */

    public static void toBottom(WebDriver driver) {

        JavascriptExecutor js = (JavascriptExecutor) driver;

        //向下拉到底//

        js.executeScript("document.documentElement.scrollTop=10000");

    }

    /**

     * 控制滚动条向上拉到顶

     * @param driver 浏览器驱动

     */

    public static void toTop(WebDriver driver) {

        JavascriptExecutor js = (JavascriptExecutor) driver;

        //向上拉到顶

        js.executeScript("document.documentElement.scrollTop=0");

    }

    /**

     * 控制滚动条向下拉到底

     * @param driver 浏览器驱动

     */

    public static void scrolltoBottom(WebDriver driver) {

        JavascriptExecutor js = (JavascriptExecutor) driver;

        //向下拉到底

        js.executeScript("window.scrollTo(0,100000)");

    }

    /**

     * 控制滚动条向上拉到顶

     * @param driver 浏览器驱动

     */

    public static void scrolltoTop(WebDriver driver) {

        JavascriptExecutor js = (JavascriptExecutor) driver;

        //向上拉到顶

        js.executeScript("window.scrollTo(0,1)");

    }

    /**

     * 控制滚动条拉到中间

     * @param driver 浏览器驱动

     */

    public static void verticaltoMiddle(WebDriver driver) {

        JavascriptExecutor js = (JavascriptExecutor) driver;

        //上下拉到中间

        js.executeScript("window.scrollBy(0, 0-document.body.scrollHeight *1/2)");

    }

    /**

     * 控制水平滚动条左右拉到中间

     * @param driver 浏览器驱动

     */

    public static void horizontaltoMiddle(WebDriver driver) {

        JavascriptExecutor js = (JavascriptExecutor) driver;

        //左右拉到中间

        js.executeScript("window.scrollBy(0, 0-document.body.scrollWidht *1/2)");

    }

    /**

     * 控制滚动条拉到元素可见

     * @param driver 浏览器驱动

     * @param element 页面元素定位

     */

    public static void scrolltoPresence(WebDriver driver, WebElement element) {

        JavascriptExecutor js = (JavascriptExecutor) driver;

        //移动到元素element对象的“顶端”与当前窗口的“顶部”对齐

        //js.executeScript("arguments[0].scrollIntoView();", element);

        js.executeScript("arguments[0].scrollIntoView(true);", element);

        //移动到元素element对象的“底端”与当前窗口的“底部”对齐

        //js.executeScript("arguments[0].scrollIntoView(false);", element);

    }

    /**

     * 使用JavaScript的ScrollTo函数和document.body.scrollHeight参数

     * 将页面滚动到最下方

     * @param driver 浏览器驱动

     */

    public static void scrollingToBottomofPage(WebDriver driver){

        ((JavascriptExecutor) driver).executeScript("window.scrollTo(0, document.body.scrollHeight)");

        try{

            Thread.sleep(3000);

        }catch (InterruptedException e){

            e.printStackTrace();

        }

    }

    /**

     * 使用JavaScript的ScrollTo函数，使用0和800的横纵坐标参数

     * 将页面的滚动条纵向下滑800个像素

     * @param driver 浏览器驱动

     */

    public static void scrollingByCoordinateofPage(WebDriver driver){

        ((JavascriptExecutor) driver).executeScript("window.scrollBy(0,200)");

        try{

            Thread.sleep(3000);

        }catch (InterruptedException e){

            e.printStackTrace();

        }

    }

}