001: /*
002: * Licensed to the Apache Software Foundation (ASF) under one or more
003: * contributor license agreements. See the NOTICE file distributed with
004: * this work for additional information regarding copyright ownership.
005: * The ASF licenses this file to You under the Apache License, Version 2.0
006: * (the "License"); you may not use this file except in compliance with
007: * the License. You may obtain a copy of the License at
008: *
009: * http://www.apache.org/licenses/LICENSE-2.0
010: *
011: * Unless required by applicable law or agreed to in writing, software
012: * distributed under the License is distributed on an "AS IS" BASIS,
013: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014: * See the License for the specific language governing permissions and
015: * limitations under the License.
016: *
017: * $Header:$
018: */
019: package org.apache.beehive.netui.tags.rendering;
020:
021: import org.apache.beehive.netui.tags.html.HtmlConstants;
022:
023: import java.util.HashMap;
024:
025: /**
026: * Body, Start Tag: optional, End tag: optional
027: * Required href
028: */
029: public abstract class OptionTag extends TagHtmlBase implements
030: HtmlConstants {
031: public static void add(HashMap html, HashMap htmlQuirks,
032: HashMap xhtml) {
033: html.put(OPTION_TAG, new HtmlRendering());
034: htmlQuirks.put(OPTION_TAG, new HtmlRendering());
035: xhtml.put(OPTION_TAG, new XhtmlRendering());
036: }
037:
038: public static class State extends AbstractHtmlState {
039: public String value;
040: public boolean disabled;
041: public boolean selected;
042:
043: public void clear() {
044: super .clear();
045:
046: value = null;
047: disabled = false;
048: selected = false;
049: }
050: }
051:
052: public void doStartTag(AbstractRenderAppender sb,
053: AbstractTagState renderState) {
054: assert (sb != null) : "Parameter 'sb' must not be null";
055: assert (renderState != null) : "Parameter 'renderState' must not be null";
056: assert (renderState instanceof State) : "Paramater 'renderState' must be an instance of OptionTag.State";
057:
058: State state = (State) renderState;
059:
060: renderTag(sb, OPTION);
061: renderAttribute(sb, ID, state.id);
062: renderAttribute(sb, CLASS, state.styleClass);
063: renderAttribute(sb, VALUE, state.value);
064: renderDisabled(sb, state.disabled);
065: renderSelected(sb, state.selected);
066:
067: renderAttributes(AbstractHtmlState.ATTR_GENERAL, sb, state);
068: renderAttribute(sb, STYLE, state.style);
069: renderAttributes(AbstractHtmlState.ATTR_JAVASCRIPT, sb, state);
070: sb.append(">");
071: }
072:
073: public void doEndTag(AbstractRenderAppender sb) {
074: renderEndTag(sb, OPTION);
075: }
076:
077: abstract protected void renderDisabled(AbstractRenderAppender sb,
078: boolean disabled);
079:
080: abstract protected void renderSelected(AbstractRenderAppender sb,
081: boolean selected);
082:
083: private static class HtmlRendering extends OptionTag {
084: protected void renderDisabled(AbstractRenderAppender sb,
085: boolean disabled) {
086: if (disabled)
087: sb.append(" disabled");
088: }
089:
090: protected void renderSelected(AbstractRenderAppender sb,
091: boolean selected) {
092: if (selected)
093: sb.append(" selected");
094: }
095: }
096:
097: private static class XhtmlRendering extends OptionTag {
098: protected void renderDisabled(AbstractRenderAppender sb,
099: boolean disabled) {
100: if (disabled)
101: renderAttribute(sb, "disabled", "disabled");
102: }
103:
104: protected void renderSelected(AbstractRenderAppender sb,
105: boolean selected) {
106: if (selected)
107: renderAttribute(sb, "selected", "selected");
108: }
109: }
110: }
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