| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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.apache.wiki.tags; |
| |
| import org.apache.wiki.WikiContext; |
| import org.apache.wiki.WikiPage; |
| import org.apache.wiki.api.core.Engine; |
| import org.apache.wiki.pages.PageManager; |
| |
| import javax.servlet.jsp.JspWriter; |
| import java.io.IOException; |
| |
| /** |
| * Writes an edit link. Body of the link becomes the link text. |
| * <P><B>Attributes</B></P> |
| * <UL> |
| * <LI>page - Page name to refer to. Default is the current page. |
| * <LI>format - Format, either "anchor" or "url". |
| * <LI>version - Version number of the page to refer to. Possible values |
| * are "this", meaning the version of the current page; or a version |
| * number. Default is always to point at the latest version of the page. |
| * <LI>title - Is used in page actions to display hover text (tooltip) |
| * <LI>accesskey - Set an accesskey (ALT+[Char]) |
| * </UL> |
| * |
| * @since 2.0 |
| */ |
| public class EditLinkTag extends WikiLinkTag { |
| |
| private static final long serialVersionUID = 0L; |
| |
| public String m_version = null; |
| public String m_title = ""; |
| public String m_accesskey = ""; |
| |
| @Override |
| public void initTag() { |
| super.initTag(); |
| m_version = null; |
| } |
| |
| public void setVersion( final String vers ) |
| { |
| m_version = vers; |
| } |
| |
| public void setTitle( final String title ) |
| { |
| m_title = title; |
| } |
| |
| public void setAccesskey( final String access ) |
| { |
| m_accesskey = access; |
| } |
| |
| @Override |
| public final int doWikiStartTag() throws IOException { |
| final Engine engine = m_wikiContext.getEngine(); |
| WikiPage page = null; |
| String versionString = ""; |
| final String pageName; |
| |
| // Determine the page and the link. |
| if( m_pageName == null ) { |
| page = m_wikiContext.getPage(); |
| if( page == null ) { |
| // You can't call this on the page itself anyways. |
| return SKIP_BODY; |
| } |
| |
| pageName = page.getName(); |
| } else { |
| pageName = m_pageName; |
| } |
| |
| // |
| // Determine the latest version, if the version attribute is "this". |
| // |
| if( m_version != null ) { |
| if( "this".equalsIgnoreCase( m_version ) ) { |
| if( page == null ) { |
| // No page, so go fetch according to page name. |
| page = engine.getManager( PageManager.class ).getPage( m_pageName ); |
| } |
| |
| if( page != null ) { |
| versionString = "version=" + page.getVersion(); |
| } |
| } else { |
| versionString = "version=" + m_version; |
| } |
| } |
| |
| // |
| // Finally, print out the correct link, according to what user commanded. |
| // |
| final JspWriter out = pageContext.getOut(); |
| switch( m_format ) { |
| case ANCHOR: |
| out.print("<a href=\""+m_wikiContext.getURL(WikiContext.EDIT,pageName, versionString) |
| +"\" accesskey=\"" + m_accesskey + "\" title=\"" + m_title + "\">"); |
| break; |
| case URL: |
| out.print( m_wikiContext.getURL(WikiContext.EDIT,pageName,versionString) ); |
| break; |
| } |
| |
| return EVAL_BODY_INCLUDE; |
| } |
| |
| } |