Java tutorial
/********************************************************************************** * $URL$ * $Id$ *********************************************************************************** * * Copyright (c) 2011 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.dash.tool.panels; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.apache.log4j.Logger; import org.apache.wicket.AttributeModifier; import org.apache.wicket.Component; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.behavior.SimpleAttributeModifier; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.image.Image; import org.apache.wicket.markup.html.link.ExternalLink; import org.apache.wicket.markup.html.navigation.paging.IPagingLabelProvider; import org.apache.wicket.markup.html.navigation.paging.PagingNavigator; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.markup.repeater.DefaultItemReuseStrategy; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.markup.repeater.data.DataView; import org.apache.wicket.markup.repeater.data.IDataProvider; import org.apache.wicket.model.AbstractReadOnlyModel; import org.apache.wicket.model.IModel; import org.apache.wicket.model.LoadableDetachableModel; import org.apache.wicket.spring.injection.annot.SpringBean; import org.sakaiproject.dash.app.DashboardCommonLogic; import org.sakaiproject.dash.app.DashboardConfig; import org.sakaiproject.dash.app.SakaiProxy; import org.sakaiproject.dash.model.CalendarItem; import org.sakaiproject.dash.model.CalendarLink; import org.sakaiproject.dash.tool.pages.DashboardPage; import org.sakaiproject.dash.tool.util.JsonHelper; import org.sakaiproject.dash.util.DateUtil; import org.sakaiproject.util.FormattedText; import org.sakaiproject.util.ResourceLoader; /** * * */ public class CalendarLinksPanel extends Panel { public static final String TAB_ID_UPCOMING = "upcoming"; public static final String TAB_ID_PAST = "past"; public static final String TAB_ID_STARRED = "starred"; public static final String TAB_ID_HIDDEN = "hidden"; public static final String TAB_ID_PAST_HIDDEN = "past-hidden"; private static final Logger logger = Logger.getLogger(CalendarLinksPanel.class); protected static final String DATE_FORMAT = "dd-MMM-yyyy"; protected static final String TIME_FORMAT = "HH:mm"; protected static final String DATETIME_FORMAT = "dd-MMM-yyyy HH:mm"; @SpringBean(name = "org.sakaiproject.dash.app.SakaiProxy") protected SakaiProxy sakaiProxy; @SpringBean(name = "org.sakaiproject.dash.app.DashboardCommonLogic") protected DashboardCommonLogic dashboardCommonLogic; @SpringBean(name = "org.sakaiproject.dash.app.DashboardConfig") protected DashboardConfig dashboardConfig; protected CalendarLinksDataProvider calendarLinksProvider = null; protected DashboardPage dashboardPage; protected String selectedCalendarTab = null; protected String calendarLinksDivId = null; protected String calendarLinksCountId = null; protected int pageSize = dashboardConfig.getConfigValue(DashboardConfig.PROP_DEFAULT_ITEMS_IN_PANEL, 5); public CalendarLinksPanel(String id) { super(id); initPanel(); } public CalendarLinksPanel(String id, String selectedTab) { super(id); this.selectedCalendarTab = selectedTab; initPanel(); } /** * */ protected void initPanel() { if (selectedCalendarTab == null) { selectedCalendarTab = TAB_ID_UPCOMING; } if (this.calendarLinksDivId != null) { this.remove(calendarLinksDivId); } ResourceLoader rl = new ResourceLoader("dash_entity"); final WebMarkupContainer calendarLinksDiv = new WebMarkupContainer("calendarLinksDiv"); calendarLinksDiv.setOutputMarkupId(true); add(calendarLinksDiv); this.calendarLinksDivId = calendarLinksDiv.getId(); calendarLinksDiv.add(new Label("calendarTitle", rl.getString("dash.calendar.title"))); AjaxLink<IModel<List<CalendarLink>>> upcomingCalendarLink = new AjaxLink<IModel<List<CalendarLink>>>( "link") { @Override public void onClick(AjaxRequestTarget target) { logger.debug("upcomingCalendarLink onClick called"); // set currentCalendarTab to "upcoming" selectedCalendarTab = TAB_ID_UPCOMING; // reset calendar dataview to show upcoming stuff if (calendarLinksProvider == null) { calendarLinksProvider = new CalendarLinksDataProvider(selectedCalendarTab); } else { calendarLinksProvider.setCalendarTab(selectedCalendarTab); } // refresh calendarItemsDiv initPanel(); target.addComponent(CalendarLinksPanel.this); target.appendJavascript("resizeFrame('grow');"); target.appendJavascript("$('#schedPanel').focus();"); dashboardCommonLogic.recordDashboardActivity(DashboardCommonLogic.EVENT_DASH_TABBING, "/dashboard/calendar/upcoming"); } }; upcomingCalendarLink.add(new Label("label", rl.getString("dash.calendar.upcoming"))); WebMarkupContainer upcomingCalendarTab = new WebMarkupContainer("upcomingCalendarTab"); if (selectedCalendarTab == null || TAB_ID_UPCOMING.equalsIgnoreCase(selectedCalendarTab)) { upcomingCalendarTab.add(new SimpleAttributeModifier("class", "activeTab")); } upcomingCalendarTab.add(upcomingCalendarLink); calendarLinksDiv.add(upcomingCalendarTab); AjaxLink<IModel<List<CalendarLink>>> pastCalendarLink = new AjaxLink<IModel<List<CalendarLink>>>("link") { @Override public void onClick(AjaxRequestTarget target) { logger.debug("pastCalendarLink onClick called"); // set currentCalendarTab to "past" selectedCalendarTab = TAB_ID_PAST; // reset calendar dataview to show past stuff if (calendarLinksProvider == null) { calendarLinksProvider = new CalendarLinksDataProvider(selectedCalendarTab); } else { calendarLinksProvider.setCalendarTab(selectedCalendarTab); } // refresh calendarItemsDiv initPanel(); target.addComponent(CalendarLinksPanel.this); target.appendJavascript("resizeFrame('grow');"); target.appendJavascript("$('#schedPanel').focus();"); dashboardCommonLogic.recordDashboardActivity(DashboardCommonLogic.EVENT_DASH_TABBING, "/dashboard/calendar/past"); } }; pastCalendarLink.add(new Label("label", rl.getString("dash.calendar.past"))); WebMarkupContainer pastCalendarTab = new WebMarkupContainer("pastCalendarTab"); if (selectedCalendarTab != null && TAB_ID_PAST.equalsIgnoreCase(selectedCalendarTab)) { pastCalendarTab.add(new SimpleAttributeModifier("class", "activeTab")); } pastCalendarTab.add(pastCalendarLink); calendarLinksDiv.add(pastCalendarTab); AjaxLink<IModel<List<CalendarLink>>> starredCalendarLink = new AjaxLink<IModel<List<CalendarLink>>>( "link") { @Override public void onClick(AjaxRequestTarget target) { logger.debug("starredCalendarLink onClick called"); // set currentCalendarTab to "starred" selectedCalendarTab = TAB_ID_STARRED; // reset calendar dataview to show starred stuff if (calendarLinksProvider == null) { calendarLinksProvider = new CalendarLinksDataProvider(selectedCalendarTab); } else { calendarLinksProvider.setCalendarTab(selectedCalendarTab); } // refresh calendarItemsDiv initPanel(); target.addComponent(CalendarLinksPanel.this); target.appendJavascript("resizeFrame('grow');"); target.appendJavascript("$('#schedPanel').focus();"); dashboardCommonLogic.recordDashboardActivity(DashboardCommonLogic.EVENT_DASH_TABBING, "/dashboard/calendar/starred"); } }; starredCalendarLink.add(new Label("label", rl.getString("dash.calendar.starred"))); WebMarkupContainer starredCalendarTab = new WebMarkupContainer("starredCalendarTab"); if (selectedCalendarTab != null && TAB_ID_STARRED.equalsIgnoreCase(selectedCalendarTab)) { starredCalendarTab.add(new SimpleAttributeModifier("class", "activeTab")); } starredCalendarTab.add(starredCalendarLink); calendarLinksDiv.add(starredCalendarTab); AjaxLink<IModel<List<CalendarLink>>> hiddenCalendarLink = new AjaxLink<IModel<List<CalendarLink>>>("link") { @Override public void onClick(AjaxRequestTarget target) { logger.debug("hiddenCalendarLink onClick called"); // set currentCalendarTab to "hidden" selectedCalendarTab = TAB_ID_HIDDEN; // reset calendar dataview to show hidden stuff if (calendarLinksProvider == null) { calendarLinksProvider = new CalendarLinksDataProvider(selectedCalendarTab); } else { calendarLinksProvider.setCalendarTab(selectedCalendarTab); } // refresh calendarItemsDiv initPanel(); target.addComponent(CalendarLinksPanel.this); target.appendJavascript("resizeFrame('grow');"); target.appendJavascript("$('#schedPanel').focus();"); dashboardCommonLogic.recordDashboardActivity(DashboardCommonLogic.EVENT_DASH_TABBING, "/dashboard/calendar/hidden"); } }; hiddenCalendarLink.add(new Label("label", rl.getString("dash.calendar.hidden"))); WebMarkupContainer hiddenCalendarTab = new WebMarkupContainer("hiddenCalendarTab"); if (selectedCalendarTab != null && TAB_ID_HIDDEN.equalsIgnoreCase(selectedCalendarTab)) { hiddenCalendarTab.add(new SimpleAttributeModifier("class", "activeTab")); } hiddenCalendarTab.add(hiddenCalendarLink); calendarLinksDiv.add(hiddenCalendarTab); if (calendarLinksProvider == null) { calendarLinksProvider = new CalendarLinksDataProvider(selectedCalendarTab); } else { calendarLinksProvider.setCalendarTab(selectedCalendarTab); } WebMarkupContainer haveLinks = new WebMarkupContainer("haveLinks"); calendarLinksDiv.add(haveLinks); //present the calendar data in a table final DataView<CalendarLink> calendarDataView = new DataView<CalendarLink>("calendarItems", calendarLinksProvider) { @Override public void populateItem(final Item item) { if (item != null && item.getModelObject() != null) { item.setOutputMarkupId(true); ResourceLoader rl = new ResourceLoader("dash_entity"); final CalendarLink cLink = (CalendarLink) item.getModelObject(); final CalendarItem cItem = cLink.getCalendarItem(); if (logger.isDebugEnabled()) { logger.debug(this + "populateItem() item: " + item); } String itemType = cItem.getSourceType().getIdentifier(); item.add(new Label("itemType", itemType)); item.add(new Label("itemCount", "1")); item.add(new Label("entityReference", cItem.getEntityReference())); Component timeLabel = new Label("calendarDate", DateUtil.getCalendarTimeString(cItem.getCalendarTime())); timeLabel.add(new AttributeModifier("title", true, new AbstractReadOnlyModel() { @Override public Object getObject() { // TODO Auto-generated method stub return DateUtil.getFullDateString(cItem.getCalendarTime()); } })); item.add(timeLabel); //item.add(new Label("calendarTime", new SimpleDateFormat(TIME_FORMAT).format(cItem.getCalendarTime()))); Image icon = new Image("icon"); icon.add(new AttributeModifier("src", true, new AbstractReadOnlyModel() { @Override public Object getObject() { // TODO Auto-generated method stub return dashboardCommonLogic.getEntityIconUrl(cItem.getSourceType().getIdentifier(), cItem.getSubtype()); } })); item.add(icon); StringBuilder errorMessages = new StringBuilder(); String title = FormattedText.processFormattedText(cItem.getTitle(), errorMessages, true, true); if (errorMessages != null && errorMessages.length() > 0) { logger.warn("Error(s) encountered while cleaning calendarItem title:\n" + errorMessages); } ExternalLink itemLink = new ExternalLink("itemLink", "#itemEvent"); itemLink.add(new Label("itemTitle", title)); itemLink.add(new Label("itemClick", rl.getString("dash.details"))); item.add(itemLink); String calendarItemLabel = dashboardCommonLogic.getString(cItem.getCalendarTimeLabelKey(), "", itemType); if (calendarItemLabel == null) { calendarItemLabel = ""; } item.add(new Label("itemLabel", calendarItemLabel)); item.add(new ExternalLink("siteLink", cItem.getContext().getContextUrl(), cItem.getContext().getContextTitle())); if (cLink.isSticky()) { AjaxLink<CalendarLink> starringAction = new AjaxLink<CalendarLink>("starringAction") { protected long calendarItemId = cItem.getId(); protected Component thisRow = item; @Override public void onClick(AjaxRequestTarget target) { logger.debug("starringAction onClick() called -- unstar "); // need to keep one item logger.debug(calendarItemId); //logger.debug(this.getModelObject()); String sakaiUserId = sakaiProxy.getCurrentUserId(); boolean success = dashboardCommonLogic.unkeepCalendarItem(sakaiUserId, calendarItemId); dashboardCommonLogic.recordDashboardActivity(DashboardCommonLogic.EVENT_DASH_UNSTAR, "/dashboard/calendar/" + selectedCalendarTab + "/" + calendarItemId); // if success adjust UI, else report failure? if (success) { target.addComponent(CalendarLinksPanel.this); if (TAB_ID_STARRED.equals(selectedCalendarTab)) { ResourceLoader rl = new ResourceLoader("dash_entity"); CalendarItem changedItem = dashboardCommonLogic .getCalendarItem(calendarItemId); JsonHelper jsonHelper = new JsonHelper(dashboardCommonLogic, dashboardConfig); String jsonStr = jsonHelper.getJsonObjectFromCalendarItem(changedItem) .toString(); String javascript = "reportSuccess('" + rl.getString("dash.ajax.unstar.success") + "'," + jsonStr + ",'" + "not-sure-about-url-yet" + "');"; target.appendJavascript(javascript); target.appendJavascript("resizeFrame('grow');"); target.appendJavascript("$('#schedPanel').focus();"); } } } }; starringAction.setDefaultModel(item.getModel()); item.add(starringAction); Image starringActionIcon = new Image("starringActionIcon"); starringActionIcon.add(new AttributeModifier("src", true, new AbstractReadOnlyModel() { @Override public Object getObject() { return dashboardConfig.getActionIcon(dashboardConfig.ACTION_UNSTAR); } })); starringActionIcon.add(new AttributeModifier("alt", true, new AbstractReadOnlyModel() { @Override public Object getObject() { ResourceLoader rl = new ResourceLoader("dash_entity"); return rl.getString("dash.unstar"); } })); starringAction.add(starringActionIcon); //starringAction.add(new Label("starringActionLabel", "Unstar")); if (cLink.isHidden()) { // this shouldn't happen, but just in case ... starringAction.setVisible(false); starringAction.setVisibilityAllowed(false); } } else { AjaxLink<CalendarLink> starringAction = new AjaxLink<CalendarLink>("starringAction") { protected long calendarItemId = cItem.getId(); protected Component thisRow = item; @Override public void onClick(AjaxRequestTarget target) { logger.debug("starringAction onClick() called -- star "); // need to keep one item logger.debug(calendarItemId); //logger.debug(this.getModelObject()); ResourceLoader rl = new ResourceLoader("dash_entity"); String sakaiUserId = sakaiProxy.getCurrentUserId(); boolean success = dashboardCommonLogic.keepCalendarItem(sakaiUserId, calendarItemId); dashboardCommonLogic.recordDashboardActivity(DashboardCommonLogic.EVENT_DASH_STAR, "/dashboard/calendar/" + selectedCalendarTab + "/" + calendarItemId); // if success adjust UI, else report failure? if (success) { target.addComponent(CalendarLinksPanel.this); //String javascript = "alert('success. (" + thisRow.getMarkupId() + ")');"; //target.appendJavascript(javascript ); target.appendJavascript("resizeFrame('grow');"); target.appendJavascript("$('#schedPanel').focus();"); } } }; Image starringActionIcon = new Image("starringActionIcon"); starringActionIcon.add(new AttributeModifier("src", true, new AbstractReadOnlyModel() { @Override public Object getObject() { return dashboardConfig.getActionIcon(dashboardConfig.ACTION_STAR); } })); starringActionIcon.add(new AttributeModifier("alt", true, new AbstractReadOnlyModel() { @Override public Object getObject() { ResourceLoader rl = new ResourceLoader("dash_entity"); return rl.getString("dash.star"); } })); starringAction.add(starringActionIcon); //starringAction.add(new Label("starringActionLabel", "Star")); item.add(starringAction); if (cLink.isHidden()) { starringAction.setVisible(false); starringAction.setVisibilityAllowed(false); } } if (cLink.isHidden()) { AjaxLink<CalendarLink> hidingAction = new AjaxLink<CalendarLink>("hidingAction") { protected long calendarItemId = cItem.getId(); protected Component thisRow = item; @Override public void onClick(AjaxRequestTarget target) { logger.debug("hidingAction onClick() called -- show"); // need to trash one item logger.debug(calendarItemId); //logger.debug(this.getModelObject()); String sakaiUserId = sakaiProxy.getCurrentUserId(); boolean success = dashboardCommonLogic.unhideCalendarItem(sakaiUserId, calendarItemId); dashboardCommonLogic.recordDashboardActivity(DashboardCommonLogic.EVENT_DASH_SHOW, "/dashboard/calendar/" + selectedCalendarTab + "/" + calendarItemId); // if success adjust UI, else report failure? if (success) { ResourceLoader rl = new ResourceLoader("dash_entity"); target.addComponent(CalendarLinksPanel.this); CalendarItem changedItem = dashboardCommonLogic.getCalendarItem(calendarItemId); JsonHelper jsonHelper = new JsonHelper(dashboardCommonLogic, dashboardConfig); String jsonStr = jsonHelper.getJsonObjectFromCalendarItem(changedItem) .toString(); String javascript = "reportSuccess('" + rl.getString("dash.ajax.show.success") + "'," + jsonStr + ",'" + "not-sure-about-url-yet" + "');"; target.appendJavascript(javascript); target.appendJavascript("resizeFrame('grow');"); target.appendJavascript("$('#schedPanel').focus();"); } } }; hidingAction.setDefaultModel(item.getModel()); //actionHideThisLink.setModelObject(cItem); item.add(hidingAction); Image hidingActionIcon = new Image("hidingActionIcon"); hidingActionIcon.add(new AttributeModifier("src", true, new AbstractReadOnlyModel() { @Override public Object getObject() { return dashboardConfig.getActionIcon(dashboardConfig.ACTION_SHOW); } })); hidingActionIcon.add(new AttributeModifier("alt", true, new AbstractReadOnlyModel() { @Override public Object getObject() { ResourceLoader rl = new ResourceLoader("dash_entity"); return rl.getString("dash.show"); } })); hidingAction.add(hidingActionIcon); //hidingAction.add(new Label("hidingActionLabel", "Show")); if (cLink.isSticky() || TAB_ID_PAST.equals(selectedCalendarTab)) { // this shouldn't happen, but just in case ... hidingAction.setVisible(false); hidingAction.setVisibilityAllowed(false); } } else { AjaxLink<CalendarLink> hidingAction = new AjaxLink<CalendarLink>("hidingAction") { protected long calendarItemId = cItem.getId(); protected Component thisRow = item; @Override public void onClick(AjaxRequestTarget target) { logger.debug("hidingAction onClick() called -- hide"); // need to trash one item logger.debug(calendarItemId); //logger.debug(this.getModelObject()); String sakaiUserId = sakaiProxy.getCurrentUserId(); boolean success = dashboardCommonLogic.hideCalendarItem(sakaiUserId, calendarItemId); dashboardCommonLogic.recordDashboardActivity(DashboardCommonLogic.EVENT_DASH_HIDE, "/dashboard/calendar/" + selectedCalendarTab + "/" + calendarItemId); // if success adjust UI, else report failure? if (success) { ResourceLoader rl = new ResourceLoader("dash_entity"); //renderItemCounter(calendarLinksDiv, calendarDataView); target.addComponent(CalendarLinksPanel.this); CalendarItem changedItem = dashboardCommonLogic.getCalendarItem(calendarItemId); JsonHelper jsonHelper = new JsonHelper(dashboardCommonLogic, dashboardConfig); String jsonStr = jsonHelper.getJsonObjectFromCalendarItem(changedItem) .toString(); String javascript = "reportSuccess('" + rl.getString("dash.ajax.hide.success") + "'," + jsonStr + ",'" + "not-sure-about-url-yet" + "');"; target.appendJavascript(javascript); target.appendJavascript("resizeFrame('grow');"); target.appendJavascript("$('#schedPanel').focus();"); } } }; hidingAction.setDefaultModel(item.getModel()); //actionHideThisLink.setModelObject(cItem); item.add(hidingAction); Image hidingActionIcon = new Image("hidingActionIcon"); hidingActionIcon.add(new AttributeModifier("src", true, new AbstractReadOnlyModel() { @Override public Object getObject() { return dashboardConfig.getActionIcon(dashboardConfig.ACTION_HIDE); } })); hidingActionIcon.add(new AttributeModifier("alt", true, new AbstractReadOnlyModel() { @Override public Object getObject() { ResourceLoader rl = new ResourceLoader("dash_entity"); return rl.getString("dash.hide"); } })); hidingAction.add(hidingActionIcon); //hidingAction.add(new Label("hidingActionLabel", "Hide")); if (cLink.isSticky() || TAB_ID_PAST.equals(selectedCalendarTab)) { hidingAction.setVisible(false); hidingAction.setVisibilityAllowed(false); } } } } }; calendarDataView.setItemReuseStrategy(new DefaultItemReuseStrategy()); calendarDataView.setItemsPerPage(pageSize); haveLinks.add(calendarDataView); IPagingLabelProvider pagingLabelProvider = new IPagingLabelProvider() { public String getPageLabel(int page) { ResourceLoader rl = new ResourceLoader("dash_entity"); int itemCount = 0; String pagerStatus = ""; if (calendarDataView != null) { int first = 0; int last = 0; itemCount = calendarDataView.getItemCount(); int pageSize = calendarDataView.getItemsPerPage(); if (itemCount > pageSize) { //int page = calendarDataView.getCurrentPage(); first = page * pageSize + 1; last = Math.min(itemCount, (page + 1) * pageSize); if (first == last) { pagerStatus = Integer.toString(first); } else { pagerStatus = rl.getFormattedMessage("dash.pager.range", new Object[] { new Integer(first), new Integer(last) }); } } else if (itemCount > 1) { pagerStatus = rl.getFormattedMessage("dash.pager.range", new Object[] { new Integer(1), new Integer(itemCount) }); } else if (itemCount > 0) { pagerStatus = "1"; } else { pagerStatus = "0"; } } if (logger.isDebugEnabled()) { logger.debug("getPageLabel() " + pagerStatus); } return pagerStatus; } }; //add a pager to our table, only visible if we have more than 5 items calendarLinksDiv.add(new PagingNavigator("calendarNavigator", calendarDataView, pagingLabelProvider) { protected int currentPage = 1; @Override public boolean isVisible() { if (calendarLinksProvider != null && calendarLinksProvider.size() > pageSize) { return true; } return false; } @Override public void onBeforeRender() { super.onBeforeRender(); if (this.getPageable().getCurrentPage() != currentPage) { dashboardCommonLogic.recordDashboardActivity(DashboardCommonLogic.EVENT_DASH_PAGING, "/dashboard/calendar/" + selectedCalendarTab); currentPage = this.getPageable().getCurrentPage(); } //renderItemCounter(calendarLinksDiv, (DataView<CalendarLink>) getPageable()); //clear the feedback panel messages //clearFeedback(feedbackPanel); } }); WebMarkupContainer haveNoLinks = new WebMarkupContainer("haveNoLinks"); calendarLinksDiv.add(haveNoLinks); String noCalendarLinksLabel = null; if (TAB_ID_UPCOMING.equals(selectedCalendarTab)) { noCalendarLinksLabel = rl.getString("dash.calendar.noupcoming"); } else if (TAB_ID_PAST.equals(selectedCalendarTab)) { noCalendarLinksLabel = rl.getString("dash.calendar.nopast"); } else if (TAB_ID_STARRED.equals(selectedCalendarTab)) { noCalendarLinksLabel = rl.getString("dash.calendar.nostarred"); } else if (TAB_ID_HIDDEN.equals(selectedCalendarTab)) { noCalendarLinksLabel = rl.getString("dash.calendar.nohidden"); } haveNoLinks.add(new Label("message", noCalendarLinksLabel)); //renderItemCounter(calendarLinksDiv, calendarDataView); int itemCount = 0; if (calendarDataView != null) { itemCount = calendarDataView.getItemCount(); } if (itemCount > 0) { // show the haveLinks haveLinks.setVisible(true); // hide the haveNoLinks haveNoLinks.setVisible(false); } else { // show the haveNoLinks haveNoLinks.setVisible(true); // hide the haveLinks haveLinks.setVisible(false); } } /** * @param rl * @param calendarLinksDiv * @param calendarDataView */ protected void renderItemCounter(WebMarkupContainer calendarLinksDiv, DataView<CalendarLink> calendarDataView) { ResourceLoader rl = new ResourceLoader("dash_entity"); if (calendarLinksCountId != null) { Iterator itx = calendarLinksDiv.iterator(); while (itx.hasNext()) { Component child = (Component) itx.next(); if (calendarLinksCountId.equals(child.getId())) { calendarLinksDiv.remove(child); break; } } } int itemCount = 0; String pagerStatus = ""; if (calendarDataView != null) { int first = 0; int last = 0; itemCount = calendarDataView.getItemCount(); int pageSize = calendarDataView.getItemsPerPage(); if (itemCount > pageSize) { int page = calendarDataView.getCurrentPage(); first = page * pageSize + 1; last = Math.min(itemCount, (page + 1) * pageSize); if (first == last) { pagerStatus = rl.getFormattedMessage("dash.calendar.linksCount2", new Object[] { new Integer(first), new Integer(itemCount) }); } else { pagerStatus = rl.getFormattedMessage("dash.calendar.linksCount3", new Object[] { new Integer(first), new Integer(last), new Integer(itemCount) }); } } else if (itemCount > 1) { pagerStatus = rl.getFormattedMessage("dash.calendar.linksCount3", new Object[] { new Integer(1), new Integer(itemCount), new Integer(itemCount) }); } else if (itemCount > 0) { pagerStatus = rl.getString("dash.calendar.linksCount1"); } else { pagerStatus = rl.getString("dash.calendar.linksCount0"); } } Label calendarLinksCount = new Label("calendarLinksCount", pagerStatus); // add the count to the calendarLinksDiv calendarLinksDiv.add(calendarLinksCount); calendarLinksCountId = calendarLinksCount.getId(); } private class CalendarLinkListDataProvider implements IDataProvider<List<CalendarLink>> { public void detach() { // TODO Auto-generated method stub } public Iterator<? extends List<CalendarLink>> iterator(int first, int count) { // TODO Auto-generated method stub return null; } public int size() { return 0; } public IModel<List<CalendarLink>> model(List<CalendarLink> object) { // TODO Auto-generated method stub return null; } } /** * DataProvider to manage our list * */ private class CalendarLinksDataProvider implements IDataProvider<CalendarLink> { private List<CalendarLink> calendarLinks; private String calendarTabId; public CalendarLinksDataProvider() { super(); } public CalendarLinksDataProvider(String calendarTabId) { super(); this.calendarTabId = calendarTabId; if (this.calendarTabId == null) { this.calendarTabId = TAB_ID_UPCOMING; } } public void setCalendarTab(String calendarTabId) { if (this.calendarTabId == null || !this.calendarTabId.equals(calendarTabId)) { // force refresh of dataProvider this.calendarLinks = null; } this.calendarTabId = calendarTabId; } private List<CalendarLink> getData() { if (calendarLinks == null) { String siteId = sakaiProxy.getCurrentSiteId(); String sakaiId = sakaiProxy.getCurrentUserId(); if (siteId == null || sakaiId == null) { if (logger.isDebugEnabled()) { logger.debug( "CalendarLinkDataProvider.getData() siteId:" + siteId + " sakaiId:" + sakaiId); } return new ArrayList<CalendarLink>(); } if (TAB_ID_UPCOMING.equals(this.calendarTabId) && sakaiProxy.isWorksite(siteId)) { calendarLinks = dashboardCommonLogic.getFutureCalendarLinks(sakaiId, null, false); } else if (TAB_ID_UPCOMING.equals(this.calendarTabId)) { calendarLinks = dashboardCommonLogic.getFutureCalendarLinks(sakaiId, siteId, false); } else if (TAB_ID_STARRED.equals(this.calendarTabId) && sakaiProxy.isWorksite(siteId)) { calendarLinks = dashboardCommonLogic.getStarredCalendarLinks(sakaiId, null); } else if (TAB_ID_STARRED.equals(this.calendarTabId)) { calendarLinks = dashboardCommonLogic.getStarredCalendarLinks(sakaiId, siteId); } else if (TAB_ID_PAST.equals(this.calendarTabId) && sakaiProxy.isWorksite(siteId)) { calendarLinks = dashboardCommonLogic.getPastCalendarLinks(sakaiId, null, false); } else if (TAB_ID_PAST.equals(this.calendarTabId)) { calendarLinks = dashboardCommonLogic.getPastCalendarLinks(sakaiId, siteId, false); } else if (TAB_ID_HIDDEN.equals(this.calendarTabId) && sakaiProxy.isWorksite(siteId)) { calendarLinks = dashboardCommonLogic.getFutureCalendarLinks(sakaiId, null, true); } else if (TAB_ID_HIDDEN.equals(this.calendarTabId)) { calendarLinks = dashboardCommonLogic.getFutureCalendarLinks(sakaiId, siteId, true); } else if (TAB_ID_PAST_HIDDEN.equals(this.calendarTabId) && sakaiProxy.isWorksite(siteId)) { calendarLinks = dashboardCommonLogic.getPastCalendarLinks(sakaiId, null, false); } else { calendarLinks = dashboardCommonLogic.getPastCalendarLinks(sakaiId, siteId, false); } } if (calendarLinks == null) { logger.warn("Error getting calendarLinks"); return new ArrayList<CalendarLink>(); } return calendarLinks; } public Iterator<CalendarLink> iterator(int first, int count) { return getData().subList(first, first + count).iterator(); } public int size() { return getData().size(); } public IModel<CalendarLink> model(CalendarLink object) { return new DetachableCalendarLinkModel(object); } public void detach() { calendarLinks = null; } } /** * Detachable model to wrap a CalendarLink * */ private class DetachableCalendarLinkModel extends LoadableDetachableModel<CalendarLink> { private Long id = null; /** * @param m */ public DetachableCalendarLinkModel(CalendarLink t) { this.id = t.getId(); } /** * @param id */ public DetachableCalendarLinkModel(long id) { this.id = id; } /** * @see java.lang.Object#hashCode() */ public int hashCode() { return Long.valueOf(id).hashCode(); } /** * used for dataview with ReuseIfModelsEqualStrategy item reuse strategy * * @see org.apache.wicket.markup.repeater.ReuseIfModelsEqualStrategy * @see java.lang.Object#equals(java.lang.Object) */ public boolean equals(final Object obj) { if (obj == this) { return true; } else if (obj == null) { return false; } else if (obj instanceof DetachableCalendarLinkModel) { DetachableCalendarLinkModel other = (DetachableCalendarLinkModel) obj; return other.id == id; } return false; } /** * @see org.apache.wicket.model.LoadableDetachableModel#load() */ protected CalendarLink load() { // get the calendar item return dashboardCommonLogic.getCalendarLink(id); } } }