JdbcMapper/beehive-netui-tags/src/main/java/org/apache/beehive/netui/tags/rendering/SelectTag.java

119 lines
3.7 KiB
Java

/*
* 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.
*
* $Header:$
*/
package org.apache.beehive.netui.tags.rendering;
import org.apache.beehive.netui.tags.html.HtmlConstants;
import java.util.HashMap;
/**
* Body, Start Tag: optional, End tag: optional
* Required href
*/
public abstract class SelectTag extends TagHtmlBase implements HtmlConstants
{
public static void add(HashMap html, HashMap htmlQuirks, HashMap xhtml)
{
html.put(SELECT_TAG, new HtmlRendering());
htmlQuirks.put(SELECT_TAG, new HtmlRendering());
xhtml.put(SELECT_TAG, new XhtmlRendering());
}
public static class State extends AbstractHtmlControlState
{
public boolean disabled;
public boolean multiple;
public int size;
public void clear()
{
super.clear();
disabled = false;
multiple = false;
size = 0;
}
}
public void doStartTag(AbstractRenderAppender sb, AbstractTagState renderState)
{
assert(sb != null) : "Parameter 'sb' must not be null";
assert(renderState != null) : "Parameter 'renderState' must not be null";
assert(renderState instanceof State) : "Paramater 'renderState' must be an instance of SelectTag.State";
State state = (State) renderState;
renderTag(sb, SELECT);
renderAttribute(sb, NAME, state.name);
renderAttribute(sb, ID, state.id);
renderAttribute(sb, CLASS, state.styleClass);
renderMultiple(sb, state.multiple);
renderDisabled(sb, state.disabled);
if (state.size > 0)
renderAttribute(sb, SIZE, Integer.toString(state.size));
renderAttributes(AbstractHtmlState.ATTR_GENERAL, sb, state);
renderAttribute(sb, STYLE, state.style);
renderAttributes(AbstractHtmlState.ATTR_JAVASCRIPT, sb, state);
sb.append(">");
}
public void doEndTag(AbstractRenderAppender sb)
{
renderEndTag(sb, SELECT);
}
abstract protected void renderDisabled(AbstractRenderAppender sb, boolean disabled);
abstract protected void renderMultiple(AbstractRenderAppender sb, boolean readonly);
private static class HtmlRendering extends SelectTag
{
protected void renderDisabled(AbstractRenderAppender sb, boolean disabled)
{
if (disabled)
sb.append(" disabled");
}
protected void renderMultiple(AbstractRenderAppender sb, boolean multiple)
{
if (multiple)
sb.append(" multiple");
}
}
private static class XhtmlRendering extends SelectTag
{
protected void renderDisabled(AbstractRenderAppender sb, boolean disabled)
{
if (disabled)
renderAttribute(sb, "disabled", "disabled");
}
protected void renderMultiple(AbstractRenderAppender sb, boolean multiple)
{
if (multiple)
renderAttribute(sb, "multiple", "multiple");
}
}
}