Java tutorial
/** * This file is part of mycollab-web. * * mycollab-web is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * mycollab-web is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with mycollab-web. If not, see <http://www.gnu.org/licenses/>. */ package com.esofthead.mycollab.module.project.view.page; import com.esofthead.mycollab.eventmanager.EventBusFactory; import com.esofthead.mycollab.module.project.CurrentProjectVariables; import com.esofthead.mycollab.module.project.ProjectRolePermissionCollections; import com.esofthead.mycollab.module.project.ProjectTypeConstants; import com.esofthead.mycollab.module.project.events.PageEvent; import com.esofthead.mycollab.module.project.i18n.Page18InEnum; import com.esofthead.mycollab.module.project.ui.ProjectAssetsManager; import com.esofthead.mycollab.module.project.ui.components.ProjectListNoItemView; import com.esofthead.mycollab.vaadin.AppContext; import com.esofthead.mycollab.vaadin.mvp.ViewComponent; import com.esofthead.mycollab.vaadin.mvp.ViewScope; import com.esofthead.mycollab.vaadin.ui.UIConstants; import com.vaadin.server.FontAwesome; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.Label; import com.vaadin.ui.UI; import org.vaadin.maddon.layouts.MHorizontalLayout; /** * @author MyCollab Ltd. * @since 5.0.2 */ @ViewComponent(scope = ViewScope.PROTOTYPE) public class PageListNoItemView extends ProjectListNoItemView { @Override protected FontAwesome viewIcon() { return ProjectAssetsManager.getAsset(ProjectTypeConstants.PAGE); } @Override protected String viewTitle() { return AppContext.getMessage(Page18InEnum.VIEW_NO_ITEM_TITLE); } @Override protected String viewHint() { return AppContext.getMessage(Page18InEnum.VIEW_NO_ITEM_HINT); } @Override protected String actionMessage() { return AppContext.getMessage(Page18InEnum.BUTTON_NEW_PAGE); } @Override protected Button.ClickListener actionListener() { return new Button.ClickListener() { @Override public void buttonClick(Button.ClickEvent clickEvent) { EventBusFactory.getInstance().post(new PageEvent.GotoAdd(this, null)); } }; } protected MHorizontalLayout createControlButtons() { Button createPageBtn = new Button(actionMessage(), actionListener()); createPageBtn.setEnabled(hasPermission()); createPageBtn.addStyleName(UIConstants.THEME_GREEN_LINK); Button createPageGroupBtn = new Button(AppContext.getMessage(Page18InEnum.BUTTON_NEW_GROUP), new Button.ClickListener() { @Override public void buttonClick(Button.ClickEvent event) { UI.getCurrent().addWindow(new GroupPageAddWindow()); } }); createPageGroupBtn.setEnabled(hasPermission()); createPageGroupBtn.addStyleName(UIConstants.THEME_GREEN_LINK); MHorizontalLayout links = new MHorizontalLayout(); links.setDefaultComponentAlignment(Alignment.MIDDLE_CENTER); links.with(createPageBtn, new Label(" or "), createPageGroupBtn); return links; } @Override protected boolean hasPermission() { return CurrentProjectVariables.canWrite(ProjectRolePermissionCollections.PAGES); } }