Java tutorial
/** * Copyright (c) 2008-2012 The Sakai Foundation * * Licensed under the Educational Community 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.osedu.org/licenses/ECL-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.sakaiproject.profile2.tool.pages.panels; import org.apache.wicket.AttributeModifier; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.link.Link; import org.apache.wicket.markup.html.list.ListItem; import org.apache.wicket.markup.html.list.ListView; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.model.Model; import org.apache.wicket.model.ResourceModel; import org.apache.wicket.model.StringResourceModel; import org.apache.wicket.spring.injection.annot.SpringBean; import org.sakaiproject.profile2.logic.SakaiProxy; import org.sakaiproject.profile2.model.WallItem; import org.sakaiproject.profile2.model.WallItemComment; import org.sakaiproject.profile2.tool.components.ProfileImage; import org.sakaiproject.profile2.tool.models.WallAction; import org.sakaiproject.profile2.tool.pages.ViewProfile; import org.sakaiproject.profile2.tool.pages.windows.RemoveWallItem; import org.sakaiproject.profile2.util.ProfileConstants; import org.sakaiproject.profile2.util.ProfileUtils; /** * Wall item container. * * TODO may make different WallItemPanel types for different wall item types. * * @author d.b.robinson@lancaster.ac.uk */ public class WallItemPanel extends Panel { private static final long serialVersionUID = 1L; @SpringBean(name = "org.sakaiproject.profile2.logic.SakaiProxy") protected SakaiProxy sakaiProxy; /** * Creates a new instance of <code>WallItemPanel</code>. * * @param id * @param userUuid the id of the user whose wall this item panel is on. * @param wallItem */ public WallItemPanel(String id, final String userUuid, final WallItem wallItem) { this(id, userUuid, wallItem, null); } /** * Creates a new instance of <code>WallItemPanel</code>. * * @param id * @param userUuid the id of the user whose wall this item panel is on. * @param wallItem * @param myWallPanel a reference to my wall panel for repainting. */ public WallItemPanel(String id, final String userUuid, final WallItem wallItem, final MyWallPanel myWallPanel) { super(id); setOutputMarkupId(true); // image wrapper, links to profile Link<String> wallItemPhoto = new Link<String>("wallItemPhotoWrap", new Model<String>(wallItem.getCreatorUuid())) { private static final long serialVersionUID = 1L; public void onClick() { setResponsePage(new ViewProfile(getModelObject())); } }; // image ProfileImage photo = new ProfileImage("wallItemPhoto", new Model<String>(wallItem.getCreatorUuid())); photo.setSize(ProfileConstants.PROFILE_IMAGE_THUMBNAIL); wallItemPhoto.add(photo); add(wallItemPhoto); // name and link to profile Link<String> wallItemProfileLink = new Link<String>("wallItemProfileLink", new Model<String>(wallItem.getCreatorUuid())) { private static final long serialVersionUID = 1L; public void onClick() { setResponsePage(new ViewProfile(getModelObject())); } }; wallItemProfileLink .add(new Label("wallItemName", sakaiProxy.getUserDisplayName(wallItem.getCreatorUuid()))); add(wallItemProfileLink); add(new Label("wallItemDate", ProfileUtils.convertDateToString(wallItem.getDate(), ProfileConstants.WALL_DISPLAY_DATE_FORMAT))); // ACTIONS final ModalWindow wallItemActionWindow = new ModalWindow("wallItemActionWindow"); add(wallItemActionWindow); final WallAction wallAction = new WallAction(); // delete link final AjaxLink<WallItem> removeItemLink = new AjaxLink<WallItem>("removeWallItemLink", new Model<WallItem>(wallItem)) { private static final long serialVersionUID = 1L; @Override public void onClick(AjaxRequestTarget target) { wallItemActionWindow.setContent(new RemoveWallItem(wallItemActionWindow.getContentId(), wallItemActionWindow, wallAction, userUuid, this.getModelObject())); wallItemActionWindow.setWindowClosedCallback(new ModalWindow.WindowClosedCallback() { private static final long serialVersionUID = 1L; @Override public void onClose(AjaxRequestTarget target) { if (wallAction.isItemRemoved()) { myWallPanel.replaceSelf(target, userUuid); } } }); wallItemActionWindow.show(target); target.appendJavaScript("fixWindowVertical();"); } }; removeItemLink.add(new Label("removeWallItemLabel", new ResourceModel("link.wall.item.remove"))); removeItemLink.add(new AttributeModifier("title", true, new ResourceModel("link.title.wall.remove"))); // not visible when viewing another user's wall if (false == sakaiProxy.getCurrentUserId().equals(userUuid)) { removeItemLink.setVisible(false); } add(removeItemLink); // panel for posting a comment that slides up/down final WallItemPostCommentPanel postCommentPanel = new WallItemPostCommentPanel("wallItemPostCommentPanel", userUuid, wallItem, this, myWallPanel); postCommentPanel.setOutputMarkupPlaceholderTag(true); postCommentPanel.setVisible(false); add(postCommentPanel); final AjaxLink<WallItem> commentItemLink = new AjaxLink<WallItem>("commentWallItemLink", new Model<WallItem>(wallItem)) { private static final long serialVersionUID = 1L; @Override public void onClick(AjaxRequestTarget target) { postCommentPanel.setVisible(true); target.add(postCommentPanel); target.appendJavaScript("$('#" + postCommentPanel.getMarkupId() + "').slideDown();"); } }; commentItemLink.add(new Label("commentWallItemLabel", new ResourceModel("link.wall.item.comment"))); commentItemLink.add(new AttributeModifier("title", true, new StringResourceModel("link.title.wall.comment", null, new Object[] { sakaiProxy.getUserDisplayName(wallItem.getCreatorUuid()) }))); add(commentItemLink); if (ProfileConstants.WALL_ITEM_TYPE_EVENT == wallItem.getType()) { add(new Label("wallItemText", new ResourceModel(wallItem.getText()))); } else if (ProfileConstants.WALL_ITEM_TYPE_POST == wallItem.getType()) { add(new Label("wallItemText", ProfileUtils.processHtml(wallItem.getText())) .setEscapeModelStrings(false)); } else if (ProfileConstants.WALL_ITEM_TYPE_STATUS == wallItem.getType()) { add(new Label("wallItemText", wallItem.getText())); } // COMMENTS ListView<WallItemComment> wallItemCommentsListView = new ListView<WallItemComment>("wallItemComments", wallItem.getComments()) { private static final long serialVersionUID = 1L; @Override protected void populateItem(ListItem<WallItemComment> item) { WallItemComment comment = (WallItemComment) item.getDefaultModelObject(); item.add(new WallItemCommentPanel("wallItemCommentPanel", comment)); } }; wallItemCommentsListView.setOutputMarkupId(true); add(wallItemCommentsListView); } }