001/* 002 * (C) Copyright 2006-2010 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a> 016 * <a href="mailto:tm@nuxeo.com">Thierry Martins</a> 017 * 018 * $Id: TextareaWidgetTypeHandler.java 30416 2008-02-21 19:10:37Z atchertchian $ 019 */ 020 021package org.nuxeo.ecm.platform.forms.layout.facelets.plugins; 022 023import javax.faces.component.html.HtmlInputTextarea; 024import javax.faces.component.html.HtmlOutputText; 025import javax.faces.view.facelets.ComponentHandler; 026import javax.faces.view.facelets.CompositeFaceletHandler; 027import javax.faces.view.facelets.FaceletContext; 028import javax.faces.view.facelets.FaceletHandler; 029import javax.faces.view.facelets.TagAttribute; 030import javax.faces.view.facelets.TagAttributes; 031import javax.faces.view.facelets.TagConfig; 032 033import org.nuxeo.ecm.platform.forms.layout.api.BuiltinWidgetModes; 034import org.nuxeo.ecm.platform.forms.layout.api.Widget; 035import org.nuxeo.ecm.platform.forms.layout.api.exceptions.WidgetException; 036import org.nuxeo.ecm.platform.forms.layout.facelets.FaceletHandlerHelper; 037import org.nuxeo.ecm.platform.ui.web.component.seam.UIHtmlText; 038 039import com.sun.faces.facelets.tag.TagAttributesImpl; 040 041/** 042 * Textarea widget. 043 * 044 * @author <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a> 045 * @author <a href="mailto:tm@nuxeo.com">Thierry Martins</a> 046 */ 047public class TextareaWidgetTypeHandler extends AbstractWidgetTypeHandler { 048 049 private static final long serialVersionUID = -771626672018944435L; 050 051 // .wrapword{ 052 // white-space: -moz-pre-wrap !important; /* Mozilla, since 1999 */ 053 // white-space: -pre-wrap; /* Opera 4-6 */ 054 // white-space: -o-pre-wrap; /* Opera 7 */ 055 // white-space: pre-wrap; /* css-3 */ 056 // word-wrap: break-word; /* Internet Explorer 5.5+ */ 057 // } 058 public static String WRAP_WORD_STYLE = "white-space: -moz-pre-wrap !important; white-space: -pre-wrap; white-space: -o-pre-wrap; white-space: pre-wrap; word-wrap: break-word;"; 059 060 @Override 061 public FaceletHandler getFaceletHandler(FaceletContext ctx, TagConfig tagConfig, Widget widget, 062 FaceletHandler[] subHandlers) throws WidgetException { 063 FaceletHandlerHelper helper = new FaceletHandlerHelper(ctx, tagConfig); 064 String mode = widget.getMode(); 065 String widgetId = widget.getId(); 066 String widgetName = widget.getName(); 067 String widgetTagConfigId = widget.getTagConfigId(); 068 TagAttributes attributes; 069 if (BuiltinWidgetModes.isLikePlainMode(mode)) { 070 // use attributes without id 071 attributes = helper.getTagAttributes(widget); 072 } else { 073 attributes = helper.getTagAttributes(widgetId, widget); 074 // Make text fields automatically switch to right-to-left if 075 // not told otherwise 076 if (widget.getProperty(FaceletHandlerHelper.DIR_PROPERTY) == null) { 077 TagAttribute dir = helper.createAttribute(FaceletHandlerHelper.DIR_PROPERTY, 078 FaceletHandlerHelper.DIR_AUTO); 079 attributes = FaceletHandlerHelper.addTagAttribute(attributes, dir); 080 } 081 } 082 FaceletHandler leaf = getNextHandler(ctx, tagConfig, widget, subHandlers, helper); 083 if (BuiltinWidgetModes.EDIT.equals(mode)) { 084 ComponentHandler input = helper.getHtmlComponentHandler(widgetTagConfigId, attributes, leaf, 085 HtmlInputTextarea.COMPONENT_TYPE, null); 086 String msgId = helper.generateMessageId(widgetName); 087 ComponentHandler message = helper.getMessageComponentHandler(widgetTagConfigId, msgId, widgetId, null); 088 FaceletHandler[] handlers = { input, message }; 089 return new CompositeFaceletHandler(handlers); 090 } else { 091 // add styling for end of line characters to be displayed 092 if (!BuiltinWidgetModes.EDIT.equals(mode) && !BuiltinWidgetModes.isLikePlainMode(mode) 093 && widget.getProperty("style") == null) { 094 TagAttribute escape = helper.createAttribute("style", WRAP_WORD_STYLE); 095 attributes = FaceletHandlerHelper.addTagAttribute(attributes, escape); 096 } 097 ComponentHandler output = helper.getHtmlComponentHandler(widgetTagConfigId, attributes, leaf, 098 HtmlOutputText.COMPONENT_TYPE, null); 099 if (BuiltinWidgetModes.PDF.equals(mode)) { 100 // add a surrounding p:html tag handler 101 return helper.getHtmlComponentHandler(widgetTagConfigId, new TagAttributesImpl(new TagAttribute[0]), 102 output, UIHtmlText.class.getName(), null); 103 } else { 104 return output; 105 } 106 } 107 } 108}