587 lines
23 KiB
Java
587 lines
23 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.html;
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import org.apache.beehive.netui.tags.AbstractClassicTag;
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import org.apache.beehive.netui.tags.IAttributeConsumer;
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import org.apache.beehive.netui.tags.IHtmlAttrs;
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import org.apache.beehive.netui.tags.TagConfig;
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import org.apache.beehive.netui.tags.javascript.ScriptRequestState;
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import org.apache.beehive.netui.tags.rendering.AbstractHtmlControlState;
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import org.apache.beehive.netui.tags.rendering.AbstractHtmlState;
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import org.apache.beehive.netui.util.Bundle;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.jsp.JspException;
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import javax.servlet.jsp.tagext.Tag;
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/**
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* [Base] Anchor, Form, Image, ImageAnchor (Image), Label, SelectOption
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* [FocusBase] Button, CheckBoxOption, ImageButton, RadioButtonOption
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* [DataSource] FileUpload
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* [DefaultableDatSource] CheckBox, TextArea, TextBox
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* [OptionsDataSource] Select
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* [GroupDataSource] CheckBoxGroup, RadioButtonGroup
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*/
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abstract public class HtmlBaseTag extends AbstractClassicTag
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implements HtmlConstants, IAttributeConsumer, IHtmlAttrs
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{
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/**
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* This method will return the state associated with the tag. This is used by this
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* base class to access the individual state objects created by the tags.
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* @return a subclass of the <code>AbstractHtmlState</code> class.
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*/
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abstract protected AbstractHtmlState getState();
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//***************************** The IHtmlCore properties *********************************/
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/**
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* Sets the style of the rendered html tag.
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* @param style the html style.
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* @jsptagref.attributedescription Specifies style information for the current element.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_style</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="Specifies style information for the current element."
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*/
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public void setStyle(String style)
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{
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if ("".equals(style))
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return;
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AbstractHtmlState tsh = getState();
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tsh.style = style;
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}
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/**
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* Sets the style class of the rendered html tag.
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* @param styleClass the html style class.
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* @jsptagref.attributedescription The style class (a style sheet selector).
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_styleClass</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The style class (a style sheet selector)."
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*/
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public void setStyleClass(String styleClass)
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{
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if ("".equals(styleClass))
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return;
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AbstractHtmlState tsh = getState();
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tsh.styleClass = styleClass;
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}
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/**
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* Set the ID of the tag.
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* @param id the tagId. A value is required.
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* @jsptagref.attributedescription <p>String value. Sets the <code>id</code> (or <code>name</code>) attribute of the rendered HTML tag.
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* Note that the real id attribute rendered in the browser may be
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* changed by the application container (for example, Portal containers may change
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* the rendered id value to ensure the uniqueness of
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* id's on the page). In this case, the real id rendered
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* in the browser may be looked up
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* through the JavaScript function <code>lookupIdByTagId( tagId, tag )</code>.
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*
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* <p>For example, assume that some tag's <code>tagId</code> attribute is set to <code>foo</code>.
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*
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* <pre> <netui:textBox <b>tagId="foo"</b> /></pre>
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*
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* <p>Then the following JavaScript function will return the real id attribute rendered in the browser:
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*
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* <pre> lookupIdByTagId( "foo", this )</pre>
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*
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* <p>To get a <netui:form> element and all of its children elements in JavaScript, use
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* the same JavaScript function <code>lookupIdByTagId( tagId, tag )</code>. For example,
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* assume that there is a <netui:form> whose
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* tagId attribute is set to <code>bar</code>.
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*
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* <pre> <netui:form <b>tagId="bar"</b> ></pre>
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*
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* <p>Then the following JavaScript function will return the <netui:form> element
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* and its children (packaged as an array).
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*
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* <pre> document[lookupIdByTagId( "bar", this )]</pre>
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*
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* <p>To retreive the value entered into a <netui:textBox> within the <netui:form> tag, use the following
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* JavaScript expression.
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*
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* <pre> document[lookupIdByTagId("bar", this)][lookupIdByTagId("foo", this)].value</pre>
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*
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* <p>The second parameter ensures that the JavaScript function
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* begins its search within the correct Portlet scope. Pass the
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* JavaScript keyword <code>this</code> as the second parameter.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_tagId</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="String value. Sets the id (or name) attribute of the rendered HTML tag. "
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*/
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public void setId(String id)
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{
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super.setId(id);
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try {
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setTagId(id);
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} catch (JspException e) {
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e.printStackTrace();
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}
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}
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/**
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* Return the ID of the tag. The id may be rewritten by the container (such
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* as a portal) to make sure it is unique. JavaScript may lookup the actual id
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* of the element by looking it up in the <code>netui_names</code> table written
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* into the HTML.
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* @return the tagId.
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*/
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public String getId()
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{
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return getTagId();
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}
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/**
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* Set the ID of the tag.
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* @param tagId the tagId. A value is required.
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* @jsptagref.attributedescription <p>String value. Sets the <code>id</code> (or <code>name</code>) attribute of the rendered HTML tag.
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* Note that the real id attribute rendered in the browser may be
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* changed by the application container (for example, Portal containers may change
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* the rendered id value to ensure the uniqueness of
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* id's on the page). In this case, the real id rendered
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* in the browser may be looked up
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* through the JavaScript function <code>lookupIdByTagId( tagId, tag )</code>.
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*
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* <p>For example, assume that some tag's <code>tagId</code> attribute is set to <code>foo</code>.
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*
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* <pre> <netui:textBox <b>tagId="foo"</b> /></pre>
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*
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* <p>Then the following JavaScript function will return the real id attribute rendered in the browser:
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*
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* <pre> lookupIdByTagId( "foo", this )</pre>
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*
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* <p>To get a <netui:form> element and all of its children elements in JavaScript, use
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* the same JavaScript function <code>lookupIdByTagId( tagId, tag )</code>. For example,
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* assume that there is a <netui:form> whose
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* tagId attribute is set to <code>bar</code>.
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*
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* <pre> <netui:form <b>tagId="bar"</b> ></pre>
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*
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* <p>Then the following JavaScript function will return the <netui:form> element
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* and its children (packaged as an array).
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*
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* <pre> document[lookupIdByTagId( "bar", this )]</pre>
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*
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* <p>To retreive the value entered into a <netui:textBox> within the <netui:form> tag, use the following
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* JavaScript expression.
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*
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* <pre> document[lookupIdByTagId("bar", this)][lookupIdByTagId("foo", this)].value</pre>
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*
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* <p>The second parameter ensures that the JavaScript function
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* begins its search within the correct Portlet scope. Pass the
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* JavaScript keyword <code>this</code> as the second parameter.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_tagId</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="String value. Sets the id (or name) attribute of the rendered HTML tag. "
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*/
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public void setTagId(String tagId)
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throws JspException
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{
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// JSP 2.0 EL will convert a null into a empty string "".
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// If we get a "" we will display an error.
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AbstractHtmlState tsh = getState();
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tsh.id = setRequiredValueAttribute(tagId, "tagId");
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}
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/**
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* Return the ID of the tag. The id may be rewritten by the container (such
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* as a portal) to make sure it is unique. JavaScript may lookup the actual id
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* of the element by looking it up in the <code>netui_names</code> table written
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* into the HTML.
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* @return the tagId.
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*/
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public String getTagId()
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{
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AbstractHtmlState tsh = getState();
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return tsh.id;
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}
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/**
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* Sets the value of the title attribute.
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* @param title
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* @jsptagref.attributedescription The title.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_title</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The title. "
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*/
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public void setTitle(String title)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_GENERAL, TITLE, title);
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}
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/******************** the HtmlI18n properties ******************************************/
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/**
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* Sets the lang attribute for the HTML element.
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* @param lang
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* @jsptagref.attributedescription Sets the language code for the base language of an
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* element's attribute values and text content.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_lang</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="Sets the language code for the base language of an element's attribute values and text content."
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*/
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public void setLang(String lang)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_GENERAL, LANG, lang);
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}
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/**
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* Sets the dir attribute for the HTML element.
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* @param dir
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* @jsptagref.attributedescription Specifies the direction of text. (<code>LTR | RTL</code>)
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_dir</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="Specifies the direction of text. (LTR | RTL)"
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*/
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public void setDir(String dir)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_GENERAL, DIR, dir);
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}
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//******************* the HtmlEvent Properties ****************************************
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/**
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* Gets the onClick javascript event.
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* @return the onClick event.
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*/
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public String getOnClick()
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{
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AbstractHtmlState tsh = getState();
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return tsh.getAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONCLICK);
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}
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/**
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* Sets the onClick javascript event.
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* @param onclick the onClick event.
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* @jsptagref.attributedescription The onClick JavaScript event.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_onClick</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The onClick JavaScript event."
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*/
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public void setOnClick(String onclick)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONCLICK, onclick);
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}
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/**
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* Sets the onDblClick javascript event.
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* @param ondblclick the onDblClick event.
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* @jsptagref.attributedescription The onDblClick JavaScript event.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_onDblClick</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The onDblClick JavaScript event."
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*/
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public void setOnDblClick(String ondblclick)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONDBLCLICK, ondblclick);
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}
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/**
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* Sets the onKeyDown javascript event.
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* @param onkeydown the onKeyDown event.
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* @jsptagref.attributedescription The onKeyDown JavaScript event.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_onKeyDown</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The onKeyDown JavaScript event."
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*/
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public void setOnKeyDown(String onkeydown)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONKEYDOWN, onkeydown);
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}
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/**
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* Sets the onKeyPress javascript event.
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* @param onkeypress the onKeyPress event.
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* @jsptagref.attributedescription The onKeyPress JavaScript event.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_onKeyPress</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The onKeyPress JavaScript event."
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*/
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public void setOnKeyPress(String onkeypress)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONKEYPRESS, onkeypress);
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}
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/**
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* Sets the onKeyUp javascript event.
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* @param onkeyup the onKeyUp event.
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* @jsptagref.attributedescription The onKeyUp JavaScript event.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_onKeyUp</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The onKeyUp JavaScript event."
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*/
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public void setOnKeyUp(String onkeyup)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONKEYUP, onkeyup);
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}
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/**
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* Sets the onMouseDown javascript event.
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* @param onmousedown the onMouseDown event.
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* @jsptagref.attributedescription The onMouseDown JavaScript event.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_onMouseDown</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The onMouseDown JavaScript event."
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*/
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public void setOnMouseDown(String onmousedown)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONMOUSEDOWN, onmousedown);
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}
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/**
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* Sets the onMouseMove javascript event.
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* @param onmousemove the onMouseMove event.
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* @jsptagref.attributedescription The onMouseMove JavaScript event.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_onMouseMove</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The onMouseMove JavaScript event."
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*/
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public void setOnMouseMove(String onmousemove)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONMOUSEMOVE, onmousemove);
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}
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/**
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* Sets the onMouseOut javascript event.
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* @param onmouseout the onMouseOut event.
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* @jsptagref.attributedescription The onMouseOut JavaScript event.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_onMouseOut</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The onMouseOut JavaScript event."
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*/
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public void setOnMouseOut(String onmouseout)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONMOUSEOUT, onmouseout);
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}
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/**
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* Sets the onMouseOver javascript event.
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* @param onmouseover the onMouseOver event.
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* @jsptagref.attributedescription The onMouseOver JavaScript event.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_onMouseOver</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The onMouseOver JavaScript event."
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*/
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public void setOnMouseOver(String onmouseover)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONMOUSEOVER, onmouseover);
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}
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/**
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* Sets the onMouseUp javascript event.
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* @param onmouseup the onMouseUp event.
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* @jsptagref.attributedescription The onMouseUp JavaScript event.
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* @jsptagref.databindable false
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* @jsptagref.attributesyntaxvalue <i>string_onMouseUp</i>
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* @netui:attribute required="false" rtexprvalue="true"
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* description="The onMouseUp JavaScript event."
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*/
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public void setOnMouseUp(String onmouseup)
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{
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AbstractHtmlState tsh = getState();
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tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONMOUSEUP, onmouseup);
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}
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//******************* Helper Routines *********************************/
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protected String getJavaScriptAttribute(String name)
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{
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AbstractHtmlState tsh = getState();
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return tsh.getAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, name);
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}
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/**
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* Attribute implementation.
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* @param name
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* @param value
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* @param tsh
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* @throws JspException
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*/
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protected void setStateAttribute(String name, String value, AbstractHtmlState tsh)
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throws JspException
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{
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boolean error = false;
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// validate the name attribute, in the case of an error simply return.
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if (name == null || name.length() <= 0) {
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String s = Bundle.getString("Tags_AttributeNameNotSet");
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registerTagError(s, null);
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error = true;
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}
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// it's not legal to set the id or name attributes this way
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if (name != null && (name.equals(ID) || name.equals(NAME))) {
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String s = Bundle.getString("Tags_AttributeMayNotBeSet", new Object[]{name});
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registerTagError(s, null);
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}
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if (error)
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return;
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// if there is a style or class we will let them override the base
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if (name.equals(CLASS)) {
|
|
tsh.styleClass = value;
|
|
return;
|
|
}
|
|
else if (name.equals(STYLE)) {
|
|
tsh.style = value;
|
|
return;
|
|
}
|
|
tsh.registerAttribute(AbstractHtmlState.ATTR_GENERAL, name, value);
|
|
}
|
|
|
|
/**
|
|
* Base support for the <code>attribute</code> tag. This requires that the tag buffer their body and
|
|
* write attribute in the end tag. For the HTML tags it is not legal to set
|
|
* the <code>id</code> or <code>name</code> attributes. In addition, the base tag does
|
|
* not allow facets to be set. If the attribute is legal it will be added to the
|
|
* general expression map stored in the <code>AbstractHtmlState</code> of the tag.
|
|
* @param name The name of the attribute. This value may not be null or the empty string.
|
|
* @param value The value of the attribute. This may contain an expression.
|
|
* @param facet The name of a facet to which the attribute will be applied. This is optional.
|
|
* @throws JspException A JspException may be thrown if there is an error setting the attribute.
|
|
*/
|
|
public void setAttribute(String name, String value, String facet)
|
|
throws JspException
|
|
{
|
|
if (facet != null) {
|
|
String s = Bundle.getString("Tags_AttributeFacetNotSupported", new Object[]{facet});
|
|
registerTagError(s, null);
|
|
}
|
|
AbstractHtmlState tsh = getState();
|
|
setStateAttribute(name, value, tsh);
|
|
}
|
|
|
|
/**
|
|
* Assumptions:
|
|
* <ul>
|
|
* <li>The state.name must be fully formed or the "real name" of the form.</li>
|
|
* <li>The state.id is the tagId value set on the tag and <b>has not</b> be rewritten yet to form the "real id"</li>
|
|
* </ul>
|
|
* @param state
|
|
* @param parentForm
|
|
* @return String
|
|
*/
|
|
protected final String renderNameAndId(HttpServletRequest request, AbstractHtmlState state, Form parentForm)
|
|
{
|
|
// if id is not set then we need to exit
|
|
if (state.id == null)
|
|
return null;
|
|
|
|
// check to see if this is an instance of a HTML Control
|
|
boolean ctrlState = (state instanceof AbstractHtmlControlState);
|
|
|
|
// form keeps track of this so that it can add this control to it's focus map
|
|
if (parentForm != null && ctrlState) {
|
|
AbstractHtmlControlState hcs = (AbstractHtmlControlState) state;
|
|
if (hcs.name == null && parentForm.isFocusSet())
|
|
hcs.name = state.id;
|
|
parentForm.addTagID(state.id, ((AbstractHtmlControlState) state).name);
|
|
}
|
|
|
|
// rewrite the id, save the original value so it can be used in maps
|
|
String id = state.id;
|
|
state.id = getIdForTagId(id);
|
|
|
|
// Legacy Java Script support -- This writes out a single table with both the id and names
|
|
// mixed. This is legacy support to match the pre beehive behavior.
|
|
String idScript = null;
|
|
if (TagConfig.isLegacyJavaScript()) {
|
|
ScriptRequestState srs = ScriptRequestState.getScriptRequestState(request);
|
|
if (!ctrlState) {
|
|
idScript = srs.mapLegacyTagId(getScriptReporter(), id, state.id);
|
|
}
|
|
else {
|
|
AbstractHtmlControlState cState = (AbstractHtmlControlState) state;
|
|
if (cState.name != null)
|
|
idScript = srs.mapLegacyTagId(getScriptReporter(), id, cState.name);
|
|
else
|
|
idScript = srs.mapLegacyTagId(getScriptReporter(), id, state.id);
|
|
}
|
|
}
|
|
|
|
// map the tagId to the real id
|
|
String name = null;
|
|
if (ctrlState) {
|
|
AbstractHtmlControlState cState = (AbstractHtmlControlState) state;
|
|
name = cState.name;
|
|
}
|
|
|
|
String script = renderDefaultNameAndId((HttpServletRequest) pageContext.getRequest(), state, id, name);
|
|
if (script != null) {
|
|
if (idScript != null) {
|
|
idScript = idScript + script;
|
|
}
|
|
else {
|
|
idScript = script;
|
|
}
|
|
}
|
|
return idScript;
|
|
}
|
|
|
|
|
|
protected String renderDefaultNameAndId(HttpServletRequest request, AbstractHtmlState state, String id, String name)
|
|
{
|
|
|
|
// map the tagId to the real id
|
|
String script = null;
|
|
if (TagConfig.isDefaultJavaScript()) {
|
|
ScriptRequestState srs = ScriptRequestState.getScriptRequestState(request);
|
|
script = srs.mapTagId(getScriptReporter(), id, state.id, name);
|
|
}
|
|
return script;
|
|
}
|
|
|
|
/**
|
|
* Free the state variables of this base class.
|
|
*/
|
|
protected void localRelease()
|
|
{
|
|
super.localRelease();
|
|
}
|
|
}
|