93 lines
3.0 KiB
Java
93 lines
3.0 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* $Header:$
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*/
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package org.apache.beehive.netui.tags.rendering;
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import org.apache.beehive.netui.tags.html.HtmlConstants;
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import java.util.HashMap;
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/**
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* Rendering for HTML anchor tags <a>. In HTML 4.01 the start and end tags are both required.
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* There are no required attributes.
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*/
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abstract public class AnchorTag extends TagHtmlBase implements HtmlConstants
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{
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/**
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* Add the Renderer for the HTML and XHTML tokens.
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* @param html The map of HTML Tag Renderers
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* @param xhtml The map of XHTML Tag Renderers
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*/
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public static void add(HashMap html, HashMap htmlQuirks, HashMap xhtml)
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{
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html.put(ANCHOR_TAG, new Rendering());
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htmlQuirks.put(ANCHOR_TAG, new Rendering());
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xhtml.put(ANCHOR_TAG, new Rendering());
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}
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/**
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* The State assocated with the Anchor Tag.
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*/
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public static class State extends AbstractHtmlState
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{
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public String name;
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public String href;
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public void clear()
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{
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super.clear();
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name = null;
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href = null;
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}
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}
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/**
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* Private class implementation of of the Anchor Tag.
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*/
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private static class Rendering extends AnchorTag
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{
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public void doStartTag(AbstractRenderAppender sb, AbstractTagState renderState)
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{
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assert(sb != null) : "Parameter 'sb' must not be null";
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assert(renderState != null) : "Parameter 'renderState' must not be null";
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assert(renderState instanceof State) : "Paramater 'renderState' must be an instance of AnchorTag.State";
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// convert to AnchorTag.State
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State state = (State) renderState;
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renderTag(sb, ANCHOR);
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renderAttribute(sb, ID, state.id);
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renderAttribute(sb, NAME, state.name);
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renderAttribute(sb, HREF, state.href);
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renderAttribute(sb, CLASS, state.styleClass);
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renderAttributes(AbstractHtmlState.ATTR_GENERAL, sb, state);
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renderAttribute(sb, STYLE, state.style);
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renderAttributes(AbstractHtmlState.ATTR_JAVASCRIPT, sb, state);
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sb.append(">");
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}
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public void doEndTag(AbstractRenderAppender sb)
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{
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renderEndTag(sb, ANCHOR);
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}
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}
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}
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