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.vaadin.web.ui; import com.esofthead.mycollab.common.i18n.GenericI18Enum; import com.esofthead.mycollab.core.utils.FileUtils; import com.esofthead.mycollab.core.utils.MimeTypesUtil; import com.esofthead.mycollab.core.utils.StringUtils; import com.esofthead.mycollab.module.ecm.domain.Content; import com.esofthead.mycollab.module.ecm.service.ResourceService; import com.esofthead.mycollab.spring.AppContextUtil; import com.esofthead.mycollab.vaadin.AppContext; import com.esofthead.mycollab.vaadin.resources.VaadinResourceFactory; import com.esofthead.mycollab.vaadin.resources.file.FileAssetsUtil; import com.hp.gagawa.java.elements.Div; import com.hp.gagawa.java.elements.Li; import com.hp.gagawa.java.elements.Span; import com.hp.gagawa.java.elements.Ul; import com.vaadin.server.FileDownloader; import com.vaadin.server.FontAwesome; import com.vaadin.ui.*; import com.vaadin.ui.Button.ClickEvent; import org.vaadin.addons.fancybox.Fancybox; import org.vaadin.dialogs.ConfirmDialog; import java.util.List; /** * @author MyCollab Ltd. * @since 2.0 */ public class AttachmentDisplayComponent extends CssLayout { private static final long serialVersionUID = 1L; public AttachmentDisplayComponent() { this.setWidth("100%"); } public AttachmentDisplayComponent(List<Content> attachments) { for (Content attachment : attachments) { this.addAttachmentRow(attachment); } } public void addAttachmentRow(final Content attachment) { String docName = attachment.getPath(); int lastIndex = docName.lastIndexOf("/"); if (lastIndex != -1) { docName = docName.substring(lastIndex + 1, docName.length()); } final AbsoluteLayout attachmentLayout = new AbsoluteLayout(); attachmentLayout.setWidth(UIConstants.DEFAULT_ATTACHMENT_THUMBNAIL_WIDTH); attachmentLayout.setHeight(UIConstants.DEFAULT_ATTACHMENT_THUMBNAIL_HEIGHT); attachmentLayout.setStyleName("attachment-block"); CssLayout thumbnailWrap = new CssLayout(); thumbnailWrap.setSizeFull(); thumbnailWrap.setStyleName("thumbnail-wrap"); Link thumbnail = new Link(); if (StringUtils.isBlank(attachment.getThumbnail())) { thumbnail.setIcon(FileAssetsUtil.getFileIconResource(attachment.getName())); } else { thumbnail.setIcon(VaadinResourceFactory.getInstance().getResource(attachment.getThumbnail())); } if (MimeTypesUtil.isImageType(docName)) { thumbnail.setResource(VaadinResourceFactory.getInstance().getResource(attachment.getPath())); new Fancybox(thumbnail).setPadding(0).setVersion("2.1.5").setEnabled(true).setDebug(true); } Div contentTooltip = new Div().appendChild(new Span().appendText(docName).setStyle("font-weight:bold")); Ul ul = new Ul() .appendChild(new Li().appendText("Size: " + FileUtils.getVolumeDisplay(attachment.getSize()))) .setStyle("line-height:1.5em"); ul.appendChild(new Li().appendText( "Last modified: " + AppContext.formatPrettyTime(attachment.getLastModified().getTime()))); contentTooltip.appendChild(ul); thumbnail.setDescription(contentTooltip.write()); thumbnail.setWidth(UIConstants.DEFAULT_ATTACHMENT_THUMBNAIL_WIDTH); thumbnailWrap.addComponent(thumbnail); attachmentLayout.addComponent(thumbnailWrap, "top: 0px; left: 0px; bottom: 0px; right: 0px; z-index: 0;"); CssLayout attachmentNameWrap = new CssLayout(); attachmentNameWrap.setWidth(UIConstants.DEFAULT_ATTACHMENT_THUMBNAIL_WIDTH); attachmentNameWrap.setStyleName("attachment-name-wrap"); Label attachmentName = new Label(StringUtils.trim(docName, 60, true)); attachmentName.setStyleName("attachment-name"); attachmentNameWrap.addComponent(attachmentName); attachmentLayout.addComponent(attachmentNameWrap, "bottom: 0px; left: 0px; right: 0px; z-index: 1;"); Button trashBtn = new Button(null, new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(ClickEvent event) { ConfirmDialogExt.show(UI.getCurrent(), AppContext.getMessage(GenericI18Enum.DIALOG_DELETE_TITLE, AppContext.getSiteName()), AppContext.getMessage(GenericI18Enum.CONFIRM_DELETE_ATTACHMENT), AppContext.getMessage(GenericI18Enum.BUTTON_YES), AppContext.getMessage(GenericI18Enum.BUTTON_NO), new ConfirmDialog.Listener() { private static final long serialVersionUID = 1L; @Override public void onClose(ConfirmDialog dialog) { if (dialog.isConfirmed()) { ResourceService attachmentService = AppContextUtil .getSpringBean(ResourceService.class); attachmentService.removeResource(attachment.getPath(), AppContext.getUsername(), AppContext.getAccountId()); ((ComponentContainer) attachmentLayout.getParent()) .removeComponent(attachmentLayout); } } }); } }); trashBtn.setIcon(FontAwesome.TRASH_O); trashBtn.setStyleName("attachment-control"); attachmentLayout.addComponent(trashBtn, "top: 9px; left: 9px; z-index: 1;"); Button downloadBtn = new Button(); FileDownloader fileDownloader = new FileDownloader( VaadinResourceFactory.getInstance().getStreamResource(attachment.getPath())); fileDownloader.extend(downloadBtn); downloadBtn.setIcon(FontAwesome.DOWNLOAD); downloadBtn.setStyleName("attachment-control"); attachmentLayout.addComponent(downloadBtn, "right: 9px; top: 9px; z-index: 1;"); this.addComponent(attachmentLayout); } }