Java tutorial
/* * (C) Copyright 2006-2009 Nuxeo SAS (http://nuxeo.com/) and contributors. * * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Lesser General Public License * (LGPL) version 2.1 which accompanies this distribution, and is available at * http://www.gnu.org/licenses/lgpl.html * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * Contributors: * Anahide Tchertchian * * $Id$ */ package org.nuxeo.ecm.platform.layout.service; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; import org.dom4j.Document; import org.dom4j.DocumentFactory; import org.dom4j.Element; import org.nuxeo.ecm.core.schema.SchemaManager; import org.nuxeo.ecm.core.schema.types.Field; import org.nuxeo.ecm.core.schema.types.Schema; import org.nuxeo.ecm.core.schema.types.Type; import org.nuxeo.ecm.core.schema.types.primitives.DateType; import org.nuxeo.ecm.core.schema.types.primitives.DoubleType; import org.nuxeo.ecm.core.schema.types.primitives.IntegerType; import org.nuxeo.ecm.core.schema.types.primitives.LongType; import org.nuxeo.ecm.core.schema.types.primitives.StringType; import org.nuxeo.ecm.platform.forms.layout.api.BuiltinModes; /** * Helper to generate a layout xml output automatically from a schema * definition. * * @author Anahide Tchertchian */ public class LayoutAutomaticGeneration { public static Document generateLayoutOutput(SchemaManager sm, String schemaName, boolean generateLabels) { String layoutName = String.format("%s", schemaName); Document document = DocumentFactory.getInstance().createDocument(); document.setName(layoutName); Element component = document.addElement("component"); component.addAttribute("name", String.format("myproject.%s.generatedContrib", layoutName)); Element extension = component.addElement("extension"); extension.addAttribute("target", "org.nuxeo.ecm.platform.forms.layout.WebLayoutManager"); extension.addAttribute("point", "layouts"); Element layout = extension.addElement("layout"); layout.addAttribute("name", layoutName); Element rows = layout.addElement("rows"); Schema schema = sm.getSchema(schemaName); String schemaPrefix = schema.getNamespace().prefix; List<Field> fields = new ArrayList<Field>(); fields.addAll(schema.getFields()); Collections.sort(fields, new Comparator<Field>() { public int compare(Field f1, Field f2) { return f1.getName().getLocalName().compareTo(f2.getName().getLocalName()); } }); for (Field field : fields) { // add row element Element row = rows.addElement("row"); Element rowWidget = row.addElement("widget"); String fieldName = field.getName().getLocalName(); rowWidget.setText(fieldName); // add widget element boolean widgetResolved = false; if (field.getType().isSimpleType()) { boolean needsInputStyleClass = false; boolean needsDateFormat = false; Type fieldType = field.getType(); String widgetType = null; if (fieldType == StringType.INSTANCE) { widgetType = "text"; needsInputStyleClass = true; } else if (fieldType == LongType.INSTANCE || fieldType == IntegerType.INSTANCE || fieldType == DoubleType.INSTANCE) { widgetType = "int"; needsInputStyleClass = true; } else if (fieldType == DateType.INSTANCE) { widgetType = "datetime"; needsDateFormat = true; } else { break; } widgetResolved = true; Element widget = layout.addElement("widget"); widget.addAttribute("name", fieldName); widget.addAttribute("type", widgetType); if (generateLabels) { Element labels = widget.addElement("labels"); Element label = labels.addElement("label"); label.addAttribute("mode", BuiltinModes.ANY); label.setText(String.format("label.widget.%s.%s", layoutName, fieldName)); } Element fieldsElement = widget.addElement("fields"); Element fieldElement = fieldsElement.addElement("field"); if (schemaPrefix != null) { fieldElement.setText(field.getName().getPrefixedName()); } else { fieldElement.addAttribute("schema", schemaName); fieldElement.setText(fieldName); } // FIXME: this condition is always true. What's the point? if (needsDateFormat || needsInputStyleClass) { Element properties = widget.addElement("properties"); if (needsDateFormat) { properties.addAttribute("mode", BuiltinModes.ANY); String defaultDatePattern = "#{nxu:basicDateFormater()}"; Element patternProp = properties.addElement("property"); patternProp.addAttribute("name", "pattern"); patternProp.setText(defaultDatePattern); Element formatProp = properties.addElement("property"); formatProp.addAttribute("name", "format"); formatProp.setText(defaultDatePattern); } if (needsInputStyleClass) { properties.addAttribute("mode", BuiltinModes.EDIT); String defaultStyleClass = "dataInputText"; Element styleClassProp = properties.addElement("property"); styleClassProp.addAttribute("name", "styleClass"); styleClassProp.setText(defaultStyleClass); } } } if (!widgetResolved) { // widget needs to be done by hand for now layout.addComment(String.format("TODO: %s", fieldName)); } } return document; } }