97 lines
3.3 KiB
Java
97 lines
3.3 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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* Render the HTML <button> element. In HTML 4.01 the start and end tags are required.
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*
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* <p>This renderer is just used by the NetUI Button as an alternative to the <input>
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* HTML element rendered by the InputSubmitTag.
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* </p>
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*/
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public abstract class ButtonTag extends TagHtmlBase implements HtmlConstants
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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(BUTTON_TAG, new HtmlRendering());
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htmlQuirks.put(BUTTON_TAG, new HtmlRendering());
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xhtml.put(BUTTON_TAG, new XhtmlRendering());
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}
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public static class State extends InputSubmitTag.State
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{
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}
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public void doStartTag(AbstractRenderAppender writer, AbstractTagState renderState)
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{
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assert(writer != null) : "Parameter 'writer' must not be null";
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assert(renderState != null) : "Parameter 'renderState' must not be null";
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assert(renderState instanceof ButtonTag.State) : "Paramater 'renderState' must be an instance of ButtonTag.State";
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State state = (State) renderState;
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// Generate an HTML element
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renderTag(writer, BUTTON);
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if (state.type == null)
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state.type = INPUT_SUBMIT;
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renderAttribute(writer, TYPE, state.type);
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renderAttribute(writer, NAME, state.name);
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renderAttribute(writer, ID, state.id);
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renderAttribute(writer, CLASS, state.styleClass);
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renderAttribute(writer, VALUE, state.value);
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renderDisabled(writer, state.disabled);
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renderAttributes(AbstractHtmlState.ATTR_GENERAL, writer, state);
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renderAttribute(writer, STYLE, state.style);
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renderAttributes(AbstractHtmlState.ATTR_JAVASCRIPT, writer, state);
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writer.append(">");
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}
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public void doEndTag(AbstractRenderAppender writer)
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{
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renderEndTag(writer, BUTTON);
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}
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abstract protected void renderDisabled(AbstractRenderAppender writer, boolean disabled);
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private static class HtmlRendering extends ButtonTag
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{
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protected void renderDisabled(AbstractRenderAppender writer, boolean disabled)
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{
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if (disabled)
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writer.append(" disabled");
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}
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}
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private static class XhtmlRendering extends ButtonTag
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{
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protected void renderDisabled(AbstractRenderAppender writer, boolean disabled)
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{
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if (disabled)
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renderAttribute(writer, "disabled", "disabled");
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}
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}
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}
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