Java tutorial
/** * Copyright 2012 Universitat Pompeu Fabra. * * 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 org.onexus.website.api.widgets.tableviewer; import org.apache.wicket.AttributeModifier; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.attributes.IAjaxCallListener; import org.apache.wicket.event.Broadcast; import org.apache.wicket.extensions.ajax.markup.html.repeater.data.sort.AjaxFallbackOrderByBorder; import org.apache.wicket.extensions.markup.html.repeater.data.sort.ISortStateLocator; import org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractToolbar; 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.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.panel.EmptyPanel; import org.apache.wicket.markup.repeater.RepeatingView; import org.apache.wicket.model.Model; import org.onexus.website.api.events.EventSortUpdate; import org.onexus.website.api.utils.panels.HelpMark; import org.onexus.website.api.widgets.tableviewer.columns.AbstractColumn; import org.onexus.website.api.widgets.tableviewer.columns.CollectionColumn; import org.onexus.website.api.widgets.tableviewer.headers.FieldHeader; import org.onexus.website.api.widgets.tableviewer.headers.FilteredHeader; import org.onexus.website.api.widgets.tableviewer.headers.IHeader; import java.util.List; public class HeadersToolbar extends AbstractToolbar { private static final long serialVersionUID = 1L; /** * Constructor * * @param table data table this toolbar will be attached to * @param stateLocator locator for the ISortState implementation used by sortable * headers */ public <T, S> HeadersToolbar(final DataTable<T, S> table, final ISortStateLocator stateLocator) { super(table); table.setOutputMarkupId(true); RepeatingView headersGrandParents = new RepeatingView("headersGrandParents"); RepeatingView headersParents = new RepeatingView("headersParents"); RepeatingView headers = new RepeatingView("headers"); //TODO Show optionally headers headersGrandParents.setVisible(false); headersParents.setVisible(false); add(headersGrandParents); add(headersParents); add(headers); final List<? extends IColumn<T, S>> columns = table.getColumns(); WebMarkupContainer secondHeaderContainer = null; String lastSecondHeaderTitle = null; int lastSecondHeaderColspan = 0; WebMarkupContainer thirdHeaderContainer = null; String lastThirdHeaderTitle = null; int lastThirdHeaderColspan = 0; int col = 0; for (final IColumn<T, S> c : columns) { String placement = col == 0 ? "right" : (col + 1 == columns.size() ? "left" : "top"); // Process only Track columns CollectionColumn column = null; if (c instanceof CollectionColumn) { column = (CollectionColumn) c; } else { if (c instanceof AbstractColumn) { WebMarkupContainer item = new WebMarkupContainer(headers.newChildId()); item.setRenderBodyOnly(true); WebMarkupContainer parentItem = new WebMarkupContainer(headersParents.newChildId()); parentItem.setRenderBodyOnly(true); WebMarkupContainer grandParentItem = new WebMarkupContainer(headersGrandParents.newChildId()); grandParentItem.setRenderBodyOnly(true); headers.add(item); headersParents.add(parentItem); headersGrandParents.add(grandParentItem); WebMarkupContainer firstHeaderContainer = new WebMarkupContainer("header"); WebMarkupContainer innerHeader = new WebMarkupContainer("filter"); innerHeader.add(c.getHeader("label")); firstHeaderContainer.add(innerHeader); firstHeaderContainer.add(new AttributeModifier("style", new Model<String>("font-size:12px; font-family:sans-serif;"))); item.add(firstHeaderContainer); secondHeaderContainer = new WebMarkupContainer("header"); decorateSecondParentHeader(secondHeaderContainer, null, column); secondHeaderContainer.add(new AttributeModifier("class", new Model<String>("empty"))); parentItem.add(secondHeaderContainer); secondHeaderContainer = null; thirdHeaderContainer = new WebMarkupContainer("header"); thirdHeaderContainer.add(new EmptyPanel("label")); thirdHeaderContainer.add(new AttributeModifier("class", new Model<String>("empty"))); grandParentItem.add(thirdHeaderContainer); thirdHeaderContainer = null; } continue; } IHeader firstHeader = column.getHeaderDecorator(); IHeader secondHeader = firstHeader == null ? null : firstHeader.getParentHeader(); IHeader thirdHeader = secondHeader == null ? null : secondHeader.getParentHeader(); WebMarkupContainer item = new WebMarkupContainer(headers.newChildId()); headers.add(item); WebMarkupContainer firstHeaderContainer = null; if (column.isFilterable()) { firstHeaderContainer = new FilteredHeader("header", (FieldHeader) column.getHeaderDecorator()); } else { firstHeaderContainer = new WebMarkupContainer("header"); } WebMarkupContainer innerHeader; if (column.isSortable()) { innerHeader = newSortableHeader("filter", column.getSortProperty(), stateLocator); } else { innerHeader = new WebMarkupContainer("filter"); } firstHeaderContainer.add(innerHeader); item.add(firstHeaderContainer); item.setRenderBodyOnly(true); innerHeader.add(firstHeader.getHeader("label")); if (firstHeader.getLabel() == null) { firstHeaderContainer.add(new AttributeModifier("class", new Model<String>("empty"))); } // Add parent and grand parent headers String secondTitle = null; String thirdTitle = null; firstHeaderContainer.add(new AttributeModifier("title", new Model<String>(firstHeader.getTitle()))); firstHeaderContainer.add(new AttributeModifier("rel", Model.of("tooltip"))); firstHeaderContainer.add(new AttributeModifier("data-placement", Model.of(placement))); firstHeaderContainer.add( new AttributeModifier("style", new Model<String>("font-size:12px; font-family:sans-serif;"))); if (secondHeader != null) { secondTitle = secondHeader.getLabel(); } if (thirdHeader != null) { thirdTitle = thirdHeader.getLabel(); } if (secondHeaderContainer != null && ((lastSecondHeaderTitle == null && secondTitle == null) || (lastSecondHeaderTitle != null && secondTitle != null && lastSecondHeaderTitle.equals(secondTitle)))) { lastSecondHeaderColspan += 1; secondHeaderContainer.add(new AttributeModifier("colspan", new Model<String>(Integer.toString(lastSecondHeaderColspan)))); } else { // Add parentItem WebMarkupContainer parentItem = new WebMarkupContainer(headersParents.newChildId()); headersParents.add(parentItem); secondHeaderContainer = new WebMarkupContainer("header"); decorateSecondParentHeader(secondHeaderContainer, secondHeader, column); if (secondTitle == null) { secondHeaderContainer.add(new AttributeModifier("class", new Model<String>("empty"))); } if (secondHeader != null && secondHeader.getLabel() != null) { secondHeaderContainer .add(new AttributeModifier("title", new Model<String>(secondHeader.getTitle()))); secondHeaderContainer.add(new AttributeModifier("rel", Model.of("tooltip"))); secondHeaderContainer.add(new AttributeModifier("data-placement", Model.of(placement))); } secondHeaderContainer.add(new AttributeModifier("style", new Model<String>("font-size:12px; font-family:sans-serif;"))); parentItem.add(secondHeaderContainer); parentItem.setRenderBodyOnly(true); lastSecondHeaderTitle = secondTitle; lastSecondHeaderColspan = 1; } // GrandParents if (thirdHeaderContainer != null && ((lastThirdHeaderTitle == null && thirdTitle == null) || (lastThirdHeaderTitle != null && thirdTitle != null && lastThirdHeaderTitle.equals(thirdTitle)))) { lastThirdHeaderColspan += 1; thirdHeaderContainer.add(new AttributeModifier("colspan", new Model<String>(Integer.toString(lastThirdHeaderColspan)))); } else { // Add grandParentItem WebMarkupContainer grandParentItem = new WebMarkupContainer(headersGrandParents.newChildId()); headersGrandParents.add(grandParentItem); thirdHeaderContainer = new WebMarkupContainer("header"); if (thirdTitle == null) { thirdHeaderContainer.add(new AttributeModifier("class", new Model<String>("empty"))); } if (thirdHeader != null) { thirdHeaderContainer.add(thirdHeader.getHeader("label")); if (thirdHeader.getLabel() != null) { thirdHeaderContainer .add(new AttributeModifier("title", new Model<String>(thirdHeader.getTitle()))); thirdHeaderContainer.add(new AttributeModifier("rel", Model.of("tooltip"))); thirdHeaderContainer.add(new AttributeModifier("data-placement", Model.of(placement))); } } else { thirdHeaderContainer.add(new EmptyPanel("label")); } thirdHeaderContainer.add(new AttributeModifier("style", new Model<String>("font-size:12px; font-family:sans-serif;"))); grandParentItem.add(thirdHeaderContainer); grandParentItem.setRenderBodyOnly(true); lastThirdHeaderTitle = thirdTitle; lastThirdHeaderColspan = 1; } col++; } } protected WebMarkupContainer newSortableHeader(String borderId, String property, ISortStateLocator locator) { return new AjaxFallbackOrderByBorder(borderId, property, locator, getAjaxCallListener()) { private static final long serialVersionUID = 1L; @Override protected void onAjaxClick(AjaxRequestTarget target) { target.add(getTable()); send(getPage(), Broadcast.BREADTH, EventSortUpdate.EVENT); } @Override protected void onSortChanged() { super.onSortChanged(); getTable().setCurrentPage(0); } }; } protected IAjaxCallListener getAjaxCallListener() { return null; } private void decorateSecondParentHeader(final WebMarkupContainer headerComponent, IHeader secondHeader, CollectionColumn collectionColumn) { // Ini Label if (secondHeader != null) { headerComponent.add(secondHeader.getHeader("label")); } else { headerComponent.add(new EmptyPanel("label")); } if (collectionColumn != null && collectionColumn.getHeaderDecorator() != null && collectionColumn.getHeaderDecorator() instanceof FieldHeader) { FieldHeader fieldHeader = (FieldHeader) collectionColumn.getHeaderDecorator(); String helpText = fieldHeader.getCollection().getProperty("HELP_DESCRIPTION"); if (helpText == null) { headerComponent.addOrReplace(new EmptyPanel("help").setVisible(false)); } else { headerComponent.addOrReplace(new HelpMark("help", secondHeader.getTitle(), helpText)); } } else { headerComponent.addOrReplace(new EmptyPanel("help")); } } }