/* 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.activiti.explorer.ui;
import org.activiti.explorer.I18nManager;
import org.activiti.explorer.Messages;
import org.activiti.explorer.navigation.NavigationFragmentChangeListener;
import org.activiti.explorer.navigation.UriFragment;
import org.activiti.explorer.ui.login.LoginPage;
import org.activiti.explorer.ui.mainlayout.ExplorerLayout;
import org.activiti.explorer.ui.mainlayout.MainLayout;
import org.springframework.beans.factory.annotation.Autowired;
import com.vaadin.ui.Component;
import com.vaadin.ui.UriFragmentUtility;
import com.vaadin.ui.Window;
/**
* @author Joram Barrez
*/
public class MainWindow extends Window {
private static final long serialVersionUID = 1L;
@Autowired
protected I18nManager i18nManager;
@Autowired
protected NavigationFragmentChangeListener navigationFragmentChangeListener;
// UI
protected MainLayout mainLayout;
protected UriFragmentUtility uriFragmentUtility;
protected UriFragment currentUriFragment;
protected boolean showingLoginPage;
public MainWindow() {
setTheme(ExplorerLayout.THEME);
}
@Override
public void attach() {
super.attach();
setCaption(i18nManager.getMessage(Messages.APP_TITLE));
}
public void showLoginPage() {
showingLoginPage = true;
addStyleName(ExplorerLayout.STYLE_LOGIN_PAGE);
setContent(new LoginPage());
}
public void showDefaultContent() {
showingLoginPage = false;
removeStyleName(ExplorerLayout.STYLE_LOGIN_PAGE);
addStyleName("Default style"); // Vaadin bug: must set something or old style (eg. login page style) is not overwritten
// init general look and feel
mainLayout = new MainLayout();
setContent(mainLayout);
// init hidden components
initHiddenComponents();
}
// View handling
public void switchView(Component component) {
mainLayout.setMainContent(component);
}
public void setMainNavigation(String navigation) {
mainLayout.setMainNavigation(navigation);
}
// URL handling
protected void initHiddenComponents() {
// Add the URI Fragent utility
uriFragmentUtility = new UriFragmentUtility();
mainLayout.addComponent(uriFragmentUtility);
// Add listener to control page flow based on URI
uriFragmentUtility.addListener(navigationFragmentChangeListener);
}
public UriFragment getCurrentUriFragment() {
return currentUriFragment;
}
/**
* Sets the current {@link UriFragment}.
* Won't trigger navigation, just updates the URI fragment in the browser.
*/
public void setCurrentUriFragment(UriFragment fragment) {
this.currentUriFragment = fragment;
if(fragmentChanged(fragment)) {
if(fragment != null) {
uriFragmentUtility.setFragment(fragment.toString(), false);
} else {
uriFragmentUtility.setFragment("", false);
}
}
}
private boolean fragmentChanged(UriFragment fragment) {
String fragmentString = fragment.toString();
if(fragmentString == null) {
return uriFragmentUtility.getFragment() != null;
} else {
return !fragmentString.equals(uriFragmentUtility.getFragment());
}
}
public boolean isShowingLoginPage() {
return showingLoginPage;
}
public void setNavigationFragmentChangeListener(NavigationFragmentChangeListener navigationFragmentChangeListener) {
this.navigationFragmentChangeListener = navigationFragmentChangeListener;
}
public void setI18nManager(I18nManager i18nManager) {
this.i18nManager = i18nManager;
}
}