001/* 002 * (C) Copyright 2006-2010 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a> 018 * <a href="mailto:tm@nuxeo.com">Thierry Martins</a> 019 * 020 * $Id: TextareaWidgetTypeHandler.java 30416 2008-02-21 19:10:37Z atchertchian $ 021 */ 022 023package org.nuxeo.ecm.platform.forms.layout.facelets.plugins; 024 025import java.io.IOException; 026 027import javax.faces.component.UIComponent; 028import javax.faces.component.html.HtmlInputTextarea; 029import javax.faces.component.html.HtmlOutputText; 030import javax.faces.view.facelets.ComponentHandler; 031import javax.faces.view.facelets.CompositeFaceletHandler; 032import javax.faces.view.facelets.FaceletContext; 033import javax.faces.view.facelets.FaceletHandler; 034import javax.faces.view.facelets.TagAttribute; 035import javax.faces.view.facelets.TagAttributes; 036import javax.faces.view.facelets.TagConfig; 037 038import org.nuxeo.ecm.platform.forms.layout.api.BuiltinWidgetModes; 039import org.nuxeo.ecm.platform.forms.layout.api.Widget; 040import org.nuxeo.ecm.platform.forms.layout.api.exceptions.WidgetException; 041import org.nuxeo.ecm.platform.forms.layout.facelets.FaceletHandlerHelper; 042import org.nuxeo.ecm.platform.ui.web.component.seam.UIHtmlText; 043 044import com.sun.faces.facelets.tag.TagAttributesImpl; 045 046/** 047 * Textarea widget. 048 * 049 * @author <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a> 050 * @author <a href="mailto:tm@nuxeo.com">Thierry Martins</a> 051 */ 052public class TextareaWidgetTypeHandler extends AbstractWidgetTypeHandler { 053 054 public TextareaWidgetTypeHandler(TagConfig config) { 055 super(config); 056 } 057 058 // .wrapword{ 059 // white-space: -moz-pre-wrap !important; /* Mozilla, since 1999 */ 060 // white-space: -pre-wrap; /* Opera 4-6 */ 061 // white-space: -o-pre-wrap; /* Opera 7 */ 062 // white-space: pre-wrap; /* css-3 */ 063 // word-wrap: break-word; /* Internet Explorer 5.5+ */ 064 // } 065 public static final 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;"; 066 067 @Override 068 public void apply(FaceletContext ctx, UIComponent parent, Widget widget) throws WidgetException, IOException { 069 FaceletHandlerHelper helper = new FaceletHandlerHelper(tagConfig); 070 String mode = widget.getMode(); 071 String widgetId = widget.getId(); 072 String widgetName = widget.getName(); 073 String widgetTagConfigId = widget.getTagConfigId(); 074 TagAttributes attributes; 075 if (BuiltinWidgetModes.isLikePlainMode(mode)) { 076 // use attributes without id 077 attributes = helper.getTagAttributes(widget); 078 } else { 079 attributes = helper.getTagAttributes(widgetId, widget); 080 // Make text fields automatically switch to right-to-left if 081 // not told otherwise 082 if (widget.getProperty(FaceletHandlerHelper.DIR_PROPERTY) == null) { 083 TagAttribute dir = helper.createAttribute(FaceletHandlerHelper.DIR_PROPERTY, 084 FaceletHandlerHelper.DIR_AUTO); 085 attributes = FaceletHandlerHelper.addTagAttribute(attributes, dir); 086 } 087 } 088 FaceletHandler leaf = getNextHandler(ctx, tagConfig, widget, null, helper); 089 if (BuiltinWidgetModes.EDIT.equals(mode)) { 090 ComponentHandler input = helper.getHtmlComponentHandler(widgetTagConfigId, attributes, leaf, 091 HtmlInputTextarea.COMPONENT_TYPE, null); 092 String msgId = FaceletHandlerHelper.generateMessageId(ctx, widgetName); 093 ComponentHandler message = helper.getMessageComponentHandler(widgetTagConfigId, msgId, widgetId, null); 094 FaceletHandler[] handlers = { input, message }; 095 FaceletHandler h = new CompositeFaceletHandler(handlers); 096 h.apply(ctx, parent); 097 } else { 098 // add styling for end of line characters to be displayed 099 if (!BuiltinWidgetModes.EDIT.equals(mode) && !BuiltinWidgetModes.isLikePlainMode(mode) 100 && widget.getProperty("style") == null) { 101 TagAttribute escape = helper.createAttribute("style", WRAP_WORD_STYLE); 102 attributes = FaceletHandlerHelper.addTagAttribute(attributes, escape); 103 } 104 ComponentHandler output = helper.getHtmlComponentHandler(widgetTagConfigId, attributes, leaf, 105 HtmlOutputText.COMPONENT_TYPE, null); 106 if (BuiltinWidgetModes.PDF.equals(mode)) { 107 // add a surrounding p:html tag handler 108 FaceletHandler h = helper.getHtmlComponentHandler(widgetTagConfigId, new TagAttributesImpl( 109 new TagAttribute[0]), output, UIHtmlText.class.getName(), null); 110 h.apply(ctx, parent); 111 } else { 112 output.apply(ctx, parent); 113 } 114 } 115 } 116}