/*
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* Copyright 2015 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.wicket.pages;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.Iterator;
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import java.util.List;
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import org.apache.commons.io.FileUtils;
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import org.apache.wicket.PageParameters;
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import org.apache.wicket.extensions.markup.html.repeater.util.SortableDataProvider;
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import org.apache.wicket.markup.html.basic.Label;
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import org.apache.wicket.markup.html.link.BookmarkablePageLink;
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import org.apache.wicket.markup.repeater.Item;
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import org.apache.wicket.markup.repeater.data.DataView;
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import org.apache.wicket.model.IModel;
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import org.apache.wicket.model.Model;
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import com.gitblit.Constants;
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import com.gitblit.Keys;
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import com.gitblit.models.FilestoreModel;
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import com.gitblit.models.FilestoreModel.Status;
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import com.gitblit.models.UserModel;
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import com.gitblit.wicket.CacheControl;
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import com.gitblit.wicket.FilestoreUI;
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import com.gitblit.wicket.GitBlitWebSession;
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import com.gitblit.wicket.WicketUtils;
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import com.gitblit.wicket.CacheControl.LastModified;
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/**
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* Page to display the current status of the filestore.
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* Certain errors also displayed to aid in fault finding
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*
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* @author Paul Martin
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*/
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@CacheControl(LastModified.ACTIVITY)
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public class FilestorePage extends RootPage {
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public FilestorePage(PageParameters params) {
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super(params);
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setupPage("", "");
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int itemsPerPage = app().settings().getInteger(Keys.web.itemsPerPage, 20);
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if (itemsPerPage <= 1) {
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itemsPerPage = 20;
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}
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final int pageNumber = WicketUtils.getPage(params);
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final String filter = WicketUtils.getSearchString(params);
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int prevPage = Math.max(0, pageNumber - 1);
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int nextPage = pageNumber + 1;
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boolean hasMore = false;
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final UserModel user = (GitBlitWebSession.get().getUser() == null) ? UserModel.ANONYMOUS : GitBlitWebSession.get().getUser();
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final long nBytesUsed = app().filestore().getFilestoreUsedByteCount();
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final long nBytesAvailable = app().filestore().getFilestoreAvailableByteCount();
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List<FilestoreModel> files = app().filestore().getAllObjects(user);
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if (files == null) {
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files = new ArrayList<FilestoreModel>();
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}
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long nOk = 0;
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long nPending = 0;
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long nInprogress = 0;
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long nError = 0;
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long nDeleted = 0;
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for (FilestoreModel file : files) {
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switch (file.getStatus()) {
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case Available: { nOk++;} break;
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case Upload_Pending: { nPending++; } break;
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case Upload_In_Progress: { nInprogress++; } break;
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case Deleted: { nDeleted++; } break;
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default: { nError++; } break;
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}
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}
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BookmarkablePageLink<Void> itemOk = new BookmarkablePageLink<Void>("filterByOk", FilestorePage.class,
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WicketUtils.newFilestorePageParameter(prevPage, SortBy.ok.name()));
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BookmarkablePageLink<Void> itemPending = new BookmarkablePageLink<Void>("filterByPending", FilestorePage.class,
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WicketUtils.newFilestorePageParameter(prevPage, SortBy.pending.name()));
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BookmarkablePageLink<Void> itemInprogress = new BookmarkablePageLink<Void>("filterByInprogress", FilestorePage.class,
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WicketUtils.newFilestorePageParameter(prevPage, SortBy.inprogress.name()));
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BookmarkablePageLink<Void> itemError = new BookmarkablePageLink<Void>("filterByError", FilestorePage.class,
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WicketUtils.newFilestorePageParameter(prevPage, SortBy.error.name()));
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BookmarkablePageLink<Void> itemDeleted = new BookmarkablePageLink<Void>("filterByDeleted", FilestorePage.class,
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WicketUtils.newFilestorePageParameter(prevPage, SortBy.deleted.name()));
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List<FilestoreModel> filteredResults = new ArrayList<FilestoreModel>(files.size());
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if (filter == null) {
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filteredResults = files;
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} else if (filter.equals(SortBy.ok.name())) {
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WicketUtils.setCssClass(itemOk, "filter-on");
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for (FilestoreModel item : files) {
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if (item.getStatus() == Status.Available) {
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filteredResults.add(item);
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}
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}
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} else if (filter.equals(SortBy.pending.name())) {
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WicketUtils.setCssClass(itemPending, "filter-on");
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for (FilestoreModel item : files) {
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if (item.getStatus() == Status.Upload_Pending) {
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filteredResults.add(item);
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}
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}
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} else if (filter.equals(SortBy.inprogress.name())) {
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WicketUtils.setCssClass(itemInprogress, "filter-on");
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for (FilestoreModel item : files) {
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if (item.getStatus() == Status.Upload_In_Progress) {
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filteredResults.add(item);
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}
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}
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} else if (filter.equals(SortBy.error.name())) {
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WicketUtils.setCssClass(itemError, "filter-on");
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for (FilestoreModel item : files) {
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if (item.isInErrorState()) {
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filteredResults.add(item);
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}
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}
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} else if (filter.equals(SortBy.deleted.name())) {
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WicketUtils.setCssClass(itemDeleted, "filter-on");
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for (FilestoreModel item : files) {
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if (item.getStatus() == Status.Deleted) {
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filteredResults.add(item);
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}
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}
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}
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DataView<FilestoreModel> filesView = new DataView<FilestoreModel>("fileRow",
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new SortableFilestoreProvider(filteredResults) , itemsPerPage) {
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private static final long serialVersionUID = 1L;
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private int counter;
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@Override
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protected void onBeforeRender() {
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super.onBeforeRender();
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counter = 0;
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}
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@Override
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public void populateItem(final Item<FilestoreModel> item) {
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final FilestoreModel entry = item.getModelObject();
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DateFormat dateFormater = new SimpleDateFormat(Constants.ISO8601);
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UserModel user = app().users().getUserModel(entry.getChangedBy());
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user = user == null ? UserModel.ANONYMOUS : user;
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Label icon = FilestoreUI.getStatusIcon("status", entry);
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item.add(icon);
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item.add(new Label("on", dateFormater.format(entry.getChangedOn())));
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item.add(new Label("by", user.getDisplayName()));
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item.add(new Label("oid", entry.oid));
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item.add(new Label("size", FileUtils.byteCountToDisplaySize(entry.getSize())));
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WicketUtils.setAlternatingBackground(item, counter);
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counter++;
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}
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};
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if (filteredResults.size() < itemsPerPage) {
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filesView.setCurrentPage(0);
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hasMore = false;
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} else {
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filesView.setCurrentPage(pageNumber - 1);
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hasMore = true;
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}
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add(filesView);
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add(new BookmarkablePageLink<Void>("firstPageBottom", FilestorePage.class).setEnabled(pageNumber > 1));
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add(new BookmarkablePageLink<Void>("prevPageBottom", FilestorePage.class,
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WicketUtils.newFilestorePageParameter(prevPage, filter)).setEnabled(pageNumber > 1));
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add(new BookmarkablePageLink<Void>("nextPageBottom", FilestorePage.class,
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WicketUtils.newFilestorePageParameter(nextPage, filter)).setEnabled(hasMore));
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itemOk.add(FilestoreUI.getStatusIcon("statusOkIcon", FilestoreModel.Status.Available));
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itemPending.add(FilestoreUI.getStatusIcon("statusPendingIcon", FilestoreModel.Status.Upload_Pending));
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itemInprogress.add(FilestoreUI.getStatusIcon("statusInprogressIcon", FilestoreModel.Status.Upload_In_Progress));
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itemError.add(FilestoreUI.getStatusIcon("statusErrorIcon", FilestoreModel.Status.Error_Unknown));
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itemDeleted.add(FilestoreUI.getStatusIcon("statusDeletedIcon", FilestoreModel.Status.Deleted));
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itemOk.add(new Label("statusOkCount", String.valueOf(nOk)));
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itemPending.add(new Label("statusPendingCount", String.valueOf(nPending)));
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itemInprogress.add(new Label("statusInprogressCount", String.valueOf(nInprogress)));
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itemError.add(new Label("statusErrorCount", String.valueOf(nError)));
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itemDeleted.add(new Label("statusDeletedCount", String.valueOf(nDeleted)));
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add(itemOk);
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add(itemPending);
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add(itemInprogress);
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add(itemError);
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add(itemDeleted);
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add(new Label("spaceAvailable", String.format("%s / %s",
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FileUtils.byteCountToDisplaySize(nBytesUsed),
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FileUtils.byteCountToDisplaySize(nBytesAvailable))));
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BookmarkablePageLink<Void> helpLink = new BookmarkablePageLink<Void>("filestoreHelp", FilestoreUsage.class);
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helpLink.add(new Label("helpMessage", getString("gb.filestoreHelp")));
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add(helpLink);
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}
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protected enum SortBy {
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ok, pending, inprogress, error, deleted;
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}
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private static class SortableFilestoreProvider extends SortableDataProvider<FilestoreModel> {
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private static final long serialVersionUID = 1L;
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private List<FilestoreModel> list;
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protected SortableFilestoreProvider(List<FilestoreModel> list) {
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this.list = list;
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}
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@Override
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public int size() {
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if (list == null) {
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return 0;
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}
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return list.size();
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}
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@Override
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public IModel<FilestoreModel> model(FilestoreModel header) {
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return new Model<FilestoreModel>(header);
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}
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@Override
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public Iterator<FilestoreModel> iterator(int first, int count) {
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Collections.sort(list, new Comparator<FilestoreModel>() {
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@Override
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public int compare(FilestoreModel o1, FilestoreModel o2) {
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return o2.getChangedOn().compareTo(o1.getChangedOn());
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}
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});
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return list.subList(first, first + count).iterator();
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}
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}
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}
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