Component Tag Library

Component Tag Library is a JavaServer Pages Tag Library that includes user interface components that make building applications faster.

Getting Started

The recommended way to get the library is through Maven. The project is available in the Maven Central repository.

Maven Dependency

<dependency>
  <groupId>com.swiftelan</groupId>
  <artifactId>component-tag-library</artifactId>
  <version>[version]</version>
</dependency>

Taglib Directive

The JAR defines a tag library with the uri of http://swiftelan.com/components. Here is the directive required to use the library in JSP files.

<%@ taglib prefix="comp" uri="http://swiftelan.com/components"%>

Scripts

Some tags have interactions that are implemented with JavaScript. Include the script resources on the page you use the tag. The resources are in the 'META-INF/resources/js/component-tag-library' directory of the JAR. The 'META-INF/resources' directory is a special directory since version 3.0 of the Servlet specification. The container exposes this directory as web content for all JARs in the applications 'WEB-INF/lib' directory. Here is an example of how to include a JavaScript resource contained within the library.

<script type="text/javascript" src="${pageContext.request.contextPath}/js/component-tag-library/table.js"></script>

Components

Table

Render a HTML table.

Script Dependencies

<script type="text/javascript" src="${pageContext.request.contextPath}/js/component-tag-library/table.js"></script>
<script type="text/javascript" src="${pageContext.request.contextPath}/js/component-tag-library/paging.js"></script>

Example

<comp:table class="table table-response-header"
  items="${httpHeaders}" var="requestHeader"
  varStatus="headerStatus">
    <comp:column header="Request Header">
        <c:out value="${requestHeader}" />
    </comp:column>
</comp:table>

Master/Detail

Component that displays a list of items on the left and details of the selected item on the left.

Script Dependencies

<script type="text/javascript" src="${pageContext.request.contextPath}/js/component-tag-library/master-detail.js"></script>

Example

<comp:masterDetail items="${actionBean.headers.keySet()}"
  var="requestHeader" varStatus="headerStatus"
  listClass="well well-small list-unstyled"
  listContainerClass="col-md-3" detailContainerClass="col-md-9">
    <comp:item>
        <c:out value="${requestHeader}" />
    </comp:item>
    <comp:detail>
        <c:out value="${actionBean.headers[requestHeader]}" />
    </comp:detail>
</comp:masterDetail>

Forms

Input tag that handles boolean attributes better than the raw <input> HTML tag.

swiftelan/tag-library

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