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/*
* Copyright 2000-2018 Vaadin Ltd.
*
* 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.vaadin.testbench.elements;
import java.util.List;
import java.util.NoSuchElementException;
import org.openqa.selenium.By;
import org.openqa.selenium.Point;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.interactions.Actions;
import com.vaadin.testbench.elementsbase.ServerClass;
@ServerClass("com.vaadin.ui.MenuBar")
public class MenuBarElement extends AbstractComponentElement {
private Point lastItemLocationMovedTo = null;
/**
* Clicks on a visible item.<br>
* If the item is a top level menu, the submenu is opened if it was closed,
* or closed if it was opened.<br>
* If the item is another submenu, that submenu is opened.<br>
* If the item is not a submenu, it will be clicked and trigger any actions
* associated to it.
*
* @param item
* name of the item to click
* @throws NullPointerException
* if item does not exist or is not visible
*/
private void clickItem(String item) {
WebElement webElement = getVisibleItem("#" + item);
if (webElement == null) {
throw new NoSuchElementException(
"Menu item " + item + " is not available.");
}
activateOrOpenSubmenu(webElement, true);
}
/**
* Clicks the item specified by a full path given as variable arguments.<br>
* Fails if path given is not full (ie: last submenu is already opened, and
* path given is last item only).
* <p>
* Example:
* </p>
*
* <pre>
* // clicks on "File" item
* menuBarElement.click("File");
* // clicks on "Copy" item in "File" top level menu.
* menuBarElement.click("File", "Copy");
* </pre>
*
* @param path
* Array of items to click through
*/
public void clickItem(String... path) {
if (path.length > 1) {
closeAll();
}
for (String itemName : path) {
clickItem(itemName);
}
}
/**
* Closes all submenus, if any is open.<br>
* This is done by clicking on the currently selected top level item.
*/
private void closeAll() {
lastItemLocationMovedTo = null;
WebElement selectedItem = getSelectedTopLevelItem();
if (selectedItem != null) {
activateOrOpenSubmenu(selectedItem, true);
}
}
private WebElement getSelectedTopLevelItem() {
List<WebElement> selectedItems = findElements(
By.className("v-menubar-menuitem-selected"));
if (selectedItems.isEmpty()) {
return null;
}
return selectedItems.get(0);
}
private WebElement getVisibleItem(String item) {
return findElement(com.vaadin.testbench.By.vaadin(item));
}
private void activateOrOpenSubmenu(WebElement item, boolean alwaysClick) {
if (lastItemLocationMovedTo == null || !isAnySubmenuVisible()) {
item.click();
if (hasSubmenu(item)) {
lastItemLocationMovedTo = item.getLocation();
}
return;
}
// Assumes mouse is still at position of last clicked element
Actions action = new Actions(getDriver());
action.moveToElement(item);
action.build().perform();
if (isLeaf(item) || isSelectedTopLevelItem(item)) {
lastItemLocationMovedTo = null;
} else {
lastItemLocationMovedTo = item.getLocation();
}
if (alwaysClick || isLeaf(item) || !isAnySubmenuVisible()) {
action = new Actions(getDriver());
action.click();
action.build().perform();
}
}
private boolean isSelectedTopLevelItem(WebElement item) {
WebElement selectedItem = getSelectedTopLevelItem();
if (selectedItem == null) {
return false;
}
String itemCaption = item
.findElements(By.className("v-menubar-menuitem-caption")).get(0)
.getAttribute("innerHTML");
String selectedItemCaption = selectedItem
.findElements(By.className("v-menubar-menuitem-caption")).get(0)
.getAttribute("innerHTML");
return itemCaption.equals(selectedItemCaption);
}
private boolean isAnySubmenuVisible() {
WebElement selectedItem = getSelectedTopLevelItem();
if (selectedItem == null) {
return false;
}
return hasSubmenu(selectedItem);
}
private boolean hasSubmenu(WebElement item) {
List<WebElement> submenuIndicatorElements = item
.findElements(By.className("v-menubar-submenu-indicator"));
return submenuIndicatorElements.size() != 0;
}
private boolean isLeaf(WebElement item) {
return !hasSubmenu(item);
}
}
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