Java tutorial
/* * Copyright (c) 2010-2016 Evolveum * * Licensed under the Apache 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.apache.org/licenses/LICENSE-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 com.evolveum.midpoint.web.component.data; import java.util.List; import org.apache.wicket.AttributeModifier; import org.apache.wicket.Component; import org.apache.wicket.MarkupContainer; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.behavior.AttributeAppender; import org.apache.wicket.extensions.markup.html.repeater.data.table.DataTable; import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn; import org.apache.wicket.extensions.markup.html.repeater.data.table.ISortableDataProvider; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.navigation.paging.IPageable; import org.apache.wicket.markup.html.panel.FeedbackPanel; import org.apache.wicket.markup.html.panel.Fragment; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.markup.repeater.data.DataViewBase; import org.apache.wicket.model.AbstractReadOnlyModel; import com.evolveum.midpoint.gui.api.component.BasePanel; import com.evolveum.midpoint.gui.api.page.PageBase; import com.evolveum.midpoint.gui.api.util.WebComponentUtil; import com.evolveum.midpoint.prism.query.ObjectPaging; import com.evolveum.midpoint.web.session.UserProfileStorage; import org.apache.wicket.model.IModel; /** * @author Viliam Repan (lazyman) */ public class BoxedTablePanel<T> extends BasePanel<T> implements Table { private static final long serialVersionUID = 1L; private static final String ID_BOX = "box"; private static final String ID_HEADER = "header"; private static final String ID_FOOTER = "footer"; private static final String ID_TABLE = "table"; private static final String ID_TABLE_CONTAINER = "tableContainer"; private static final String ID_PAGING_FOOTER = "pagingFooter"; private static final String ID_PAGING = "paging"; private static final String ID_COUNT = "count"; private static final String ID_MENU = "menu"; private static final String ID_FOOTER_CONTAINER = "footerContainer"; private static final String ID_BUTTON_TOOLBAR = "buttonToolbar"; private UserProfileStorage.TableId tableId; private boolean showPaging; private String additionalBoxCssClasses = null; public BoxedTablePanel(String id, ISortableDataProvider provider, List<IColumn<T, String>> columns) { this(id, provider, columns, null, Integer.MAX_VALUE); } public BoxedTablePanel(String id, ISortableDataProvider provider, List<IColumn<T, String>> columns, UserProfileStorage.TableId tableId) { this(id, provider, columns, tableId, UserProfileStorage.DEFAULT_PAGING_SIZE); } public BoxedTablePanel(String id, ISortableDataProvider provider, List<IColumn<T, String>> columns, UserProfileStorage.TableId tableId, int pageSize) { super(id); this.tableId = tableId; initLayout(columns, provider, pageSize); } private void initLayout(List<IColumn<T, String>> columns, ISortableDataProvider provider, int pageSize) { setOutputMarkupId(true); WebMarkupContainer box = new WebMarkupContainer(ID_BOX); box.add(new AttributeAppender("class", new AbstractReadOnlyModel<String>() { private static final long serialVersionUID = 1L; @Override public String getObject() { String boxCssClasses = getAdditionalBoxCssClasses(); if (boxCssClasses == null) { return ""; } else { return " " + boxCssClasses; } } })); add(box); WebMarkupContainer tableContainer = new WebMarkupContainer(ID_TABLE_CONTAINER); tableContainer.setOutputMarkupId(true); DataTable<T, String> table = new SelectableDataTable<T>(ID_TABLE, columns, provider, pageSize) { @Override protected Item<T> newRowItem(String id, int index, IModel<T> rowModel) { Item<T> item = super.newRowItem(id, index, rowModel); return customizeNewRowItem(item, rowModel); } }; table.setOutputMarkupId(true); tableContainer.add(table); box.add(tableContainer); TableHeadersToolbar headersTop = new TableHeadersToolbar(table, provider); headersTop.setOutputMarkupId(true); table.addTopToolbar(headersTop); box.add(createHeader(ID_HEADER)); box.add(createFooter(ID_FOOTER)); } public String getAdditionalBoxCssClasses() { return additionalBoxCssClasses; } public void setAdditionalBoxCssClasses(String boxCssClasses) { this.additionalBoxCssClasses = boxCssClasses; } // TODO better name? protected Item<T> customizeNewRowItem(Item<T> item, IModel<T> model) { return item; } @Override public DataTable getDataTable() { return (DataTable) get(ID_BOX).get(ID_TABLE_CONTAINER).get(ID_TABLE); } public WebMarkupContainer getDataTableContainer() { return (WebMarkupContainer) get(ID_BOX).get(ID_TABLE_CONTAINER); } @Override public UserProfileStorage.TableId getTableId() { return tableId; } @Override public void setItemsPerPage(int size) { getDataTable().setItemsPerPage(size); } @Override public int getItemsPerPage() { return (int) getDataTable().getItemsPerPage(); } @Override public void setShowPaging(boolean show) { // todo make use of this [lazyman] this.showPaging = show; if (!show) { setItemsPerPage(Integer.MAX_VALUE); } else { setItemsPerPage(10); } } public WebMarkupContainer getHeader() { return (WebMarkupContainer) get(ID_BOX).get(ID_HEADER); } public WebMarkupContainer getFooter() { return (WebMarkupContainer) get(ID_BOX).get(ID_FOOTER); } protected WebMarkupContainer createHeader(String headerId) { WebMarkupContainer header = new WebMarkupContainer(headerId); header.setVisible(false); return header; } protected WebMarkupContainer createFooter(String footerId) { return new PagingFooter(footerId, ID_PAGING_FOOTER, this, this); } public Component getFooterMenu() { return ((PagingFooter) getFooter()).getFooterMenu(); } public Component getFooterCountLabel() { return ((PagingFooter) getFooter()).getFooterCountLabel(); } public Component getFooterPaging() { return ((PagingFooter) getFooter()).getFooterPaging(); } @Override public void setCurrentPage(ObjectPaging paging) { WebComponentUtil.setCurrentPage(this, paging); } @Override public void setCurrentPage(long page) { getDataTable().setCurrentPage(page); } protected WebMarkupContainer createButtonToolbar(String id) { return new WebMarkupContainer(id); } private static class PagingFooter extends Fragment { public PagingFooter(String id, String markupId, BoxedTablePanel markupProvider, Table table) { super(id, markupId, markupProvider); setOutputMarkupId(true); initLayout(markupProvider, table); } private void initLayout(final BoxedTablePanel boxedTablePanel, final Table table) { WebMarkupContainer buttonToolbar = boxedTablePanel.createButtonToolbar(ID_BUTTON_TOOLBAR); add(buttonToolbar); final DataTable dataTable = table.getDataTable(); WebMarkupContainer footerContainer = new WebMarkupContainer(ID_FOOTER_CONTAINER); footerContainer.setOutputMarkupId(true); final Label count = new Label(ID_COUNT, new AbstractReadOnlyModel<String>() { @Override public String getObject() { return createCountString(dataTable); } }); count.setOutputMarkupId(true); footerContainer.add(count); BoxedPagingPanel nb2 = new BoxedPagingPanel(ID_PAGING, dataTable, true) { @Override protected void onPageChanged(AjaxRequestTarget target, long page) { target.add(count); } }; footerContainer.add(nb2); TableConfigurationPanel menu = new TableConfigurationPanel(ID_MENU) { @Override protected void pageSizeChanged(AjaxRequestTarget target) { Table table = findParent(Table.class); UserProfileStorage.TableId tableId = table.getTableId(); if (tableId != null) { PageBase page = (PageBase) getPage(); Integer pageSize = page.getSessionStorage().getUserProfile().getPagingSize(tableId); table.setItemsPerPage(pageSize); } target.add(findParent(PagingFooter.class)); target.add((Component) table); } }; footerContainer.add(menu); add(footerContainer); } public Component getFooterMenu() { return get(ID_FOOTER_CONTAINER).get(ID_MENU); } public Component getFooterCountLabel() { return get(ID_FOOTER_CONTAINER).get(ID_COUNT); } public Component getFooterPaging() { return get(ID_FOOTER_CONTAINER).get(ID_PAGING); } private String createCountString(IPageable pageable) { long from = 0; long to = 0; long count = 0; if (pageable instanceof DataViewBase) { DataViewBase view = (DataViewBase) pageable; from = view.getFirstItemOffset() + 1; to = from + view.getItemsPerPage() - 1; long itemCount = view.getItemCount(); if (to > itemCount) { to = itemCount; } count = itemCount; } else if (pageable instanceof DataTable) { DataTable table = (DataTable) pageable; from = table.getCurrentPage() * table.getItemsPerPage() + 1; to = from + table.getItemsPerPage() - 1; long itemCount = table.getItemCount(); if (to > itemCount) { to = itemCount; } count = itemCount; } if (count > 0) { if (count == Integer.MAX_VALUE) { return PageBase.createStringResourceStatic(PagingFooter.this, "CountToolbar.label.unknownCount", new Object[] { from, to }).getString(); } return PageBase.createStringResourceStatic(PagingFooter.this, "CountToolbar.label", new Object[] { from, to, count }).getString(); } return PageBase.createStringResourceStatic(PagingFooter.this, "CountToolbar.noFound", new Object[] {}) .getString(); } } }