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.mycollab.module.file.view; import com.mycollab.common.i18n.FileI18nEnum; import com.mycollab.common.i18n.GenericI18Enum; import com.mycollab.module.ecm.domain.ExternalDrive; import com.mycollab.module.ecm.domain.ExternalFolder; import com.mycollab.module.ecm.domain.Folder; import com.mycollab.module.ecm.domain.Resource; import com.mycollab.module.ecm.service.ExternalDriveService; import com.mycollab.module.ecm.service.ExternalResourceService; import com.mycollab.module.ecm.service.ResourceMover; import com.mycollab.module.ecm.service.ResourceService; import com.mycollab.spring.AppContextUtil; import com.mycollab.vaadin.MyCollabUI; import com.mycollab.vaadin.UserUIContext; import com.mycollab.vaadin.web.ui.WebThemes; import com.vaadin.server.FontAwesome; import com.vaadin.ui.*; import com.vaadin.ui.Tree.CollapseEvent; import org.apache.commons.collections.CollectionUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.vaadin.jouni.restrain.Restrain; import org.vaadin.viritin.button.MButton; import org.vaadin.viritin.layouts.MHorizontalLayout; import org.vaadin.viritin.layouts.MVerticalLayout; import org.vaadin.viritin.layouts.MWindow; import java.util.Calendar; import java.util.*; /** * @author MyCollab Ltd. * @since 4.0 */ abstract class AbstractResourceMovingWindow extends MWindow { private static final long serialVersionUID = 1L; private static Logger LOG = LoggerFactory.getLogger(AbstractResourceMovingWindow.class); private final ResourceService resourceService; private final ExternalResourceService externalResourceService; private final ExternalDriveService externalDriveService; private Tree folderTree; private Folder baseFolder; private Collection<Resource> movedResources; private final ResourceMover resourceMover; AbstractResourceMovingWindow(Folder baseFolder, Resource resource) { this(baseFolder, Collections.singletonList(resource)); } AbstractResourceMovingWindow(Folder baseFolder, Collection<Resource> lstRes) { super(UserUIContext.getMessage(FileI18nEnum.ACTION_MOVE_ASSETS)); withModal(true).withResizable(false).withWidth("600px").withCenter(); this.baseFolder = baseFolder; this.movedResources = lstRes; this.resourceService = AppContextUtil.getSpringBean(ResourceService.class); this.externalResourceService = AppContextUtil.getSpringBean(ExternalResourceService.class); this.externalDriveService = AppContextUtil.getSpringBean(ExternalDriveService.class); this.resourceMover = AppContextUtil.getSpringBean(ResourceMover.class); constructBody(); } private void constructBody() { MVerticalLayout contentLayout = new MVerticalLayout(); new Restrain(contentLayout).setMaxHeight("600px"); this.setContent(contentLayout); folderTree = new Tree(); folderTree.setMultiSelect(false); folderTree.setSelectable(true); folderTree.setImmediate(true); folderTree.setSizeFull(); folderTree.addExpandListener(expandEvent -> { final Folder expandFolder = (Folder) expandEvent.getItemId(); // load externalResource if currentExpandFolder is rootFolder if (baseFolder.getPath().equals(expandFolder.getPath())) { List<ExternalDrive> externalDrives = externalDriveService .getExternalDrivesOfUser(UserUIContext.getUsername()); for (ExternalDrive externalDrive : externalDrives) { ExternalFolder externalMapFolder = new ExternalFolder("/"); externalMapFolder.setStorageName(externalDrive.getStoragename()); externalMapFolder.setExternalDrive(externalDrive); externalMapFolder.setName(externalDrive.getFoldername()); Calendar cal = GregorianCalendar.getInstance(); cal.setTime(externalDrive.getCreatedtime()); externalMapFolder.setCreated(cal); expandFolder.addChild(externalMapFolder); folderTree.addItem(externalMapFolder); folderTree.setItemIcon(externalMapFolder, FontAwesome.DROPBOX); folderTree.setItemCaption(externalMapFolder, externalMapFolder.getName()); folderTree.setParent(externalMapFolder, expandFolder); } } if (expandFolder instanceof ExternalFolder) { List<ExternalFolder> subFolders = externalResourceService .getSubFolders(((ExternalFolder) expandFolder).getExternalDrive(), expandFolder.getPath()); for (final Folder subFolder : subFolders) { expandFolder.addChild(subFolder); folderTree.addItem(subFolder); folderTree.setItemIcon(subFolder, FontAwesome.DROPBOX); folderTree.setItemCaption(subFolder, subFolder.getName()); folderTree.setParent(subFolder, expandFolder); } } else { final List<Folder> subFolders = resourceService.getSubFolders(expandFolder.getPath()); folderTree.setItemIcon(expandFolder, FontAwesome.FOLDER_OPEN); if (subFolders != null) { for (final Folder subFolder : subFolders) { String subFolderName = subFolder.getName(); if (!subFolderName.startsWith(".")) { expandFolder.addChild(subFolder); folderTree.addItem(subFolder); folderTree.setItemIcon(subFolder, FontAwesome.FOLDER); folderTree.setItemCaption(subFolder, subFolderName); folderTree.setParent(subFolder, expandFolder); } } } } }); folderTree.addCollapseListener(new Tree.CollapseListener() { private static final long serialVersionUID = 1L; @Override public void nodeCollapse(final CollapseEvent event) { final Folder collapseFolder = (Folder) event.getItemId(); if (collapseFolder instanceof ExternalFolder) { folderTree.setItemIcon(collapseFolder, FontAwesome.DROPBOX); } else { folderTree.setItemIcon(collapseFolder, FontAwesome.FOLDER); } collapseFolder.getChilds().forEach(this::recursiveRemoveSubItem); } private void recursiveRemoveSubItem(Folder collapseFolder) { List<Folder> childFolders = collapseFolder.getChilds(); if (childFolders.size() > 0) { childFolders.forEach(this::recursiveRemoveSubItem); folderTree.removeItem(collapseFolder); } else { folderTree.removeItem(collapseFolder); } } }); folderTree.addItemClickListener(itemClickEvent -> baseFolder = (Folder) itemClickEvent.getItemId()); CssLayout treeWrapper = new CssLayout(folderTree); treeWrapper.setSizeFull(); contentLayout.addComponent(treeWrapper); displayFiles(); MButton moveBtn = new MButton(UserUIContext.getMessage(GenericI18Enum.ACTION_MOVE), clickEvent -> { if (!CollectionUtils.isEmpty(movedResources)) { boolean checkingFail = false; for (Resource res : movedResources) { try { resourceMover.moveResource(res, baseFolder, UserUIContext.getUsername(), MyCollabUI.getAccountId()); } catch (Exception e) { checkingFail = true; LOG.error("Error", e); } } close(); displayAfterMoveSuccess(baseFolder, checkingFail); } }).withIcon(FontAwesome.ARROWS).withStyleName(WebThemes.BUTTON_ACTION); MButton cancelBtn = new MButton(UserUIContext.getMessage(GenericI18Enum.BUTTON_CANCEL), clickEvent -> close()).withStyleName(WebThemes.BUTTON_OPTION); MHorizontalLayout controlGroupBtnLayout = new MHorizontalLayout(cancelBtn, moveBtn); contentLayout.with(controlGroupBtnLayout).withAlign(controlGroupBtnLayout, Alignment.MIDDLE_RIGHT); } public abstract void displayAfterMoveSuccess(Folder folder, boolean checking); private void displayFiles() { folderTree.addItem(baseFolder); folderTree.setItemCaption(baseFolder, UserUIContext.getMessage(FileI18nEnum.OPT_MY_DOCUMENTS)); folderTree.expandItem(baseFolder); } }