UI representation of TableModel data

From:

senthil.jdsu@gmail.com

Newsgroups:

comp.lang.java.gui

Date:

Tue, 12 Aug 2008 07:53:30 -0700 (PDT)

Message-ID:

<7293bc94-21b4-45fa-8cfe-55119cf2ad66@t1g2000pra.googlegroups.com>

My name is Senthil Chandrasekaran and I work at JDSU in Germantown, MD
as a software developer. Recently, we have downloaded DisplayTag 1.1
and found out that we required a feature to access =93UI representation
of the data object (TableModel) displayed=94 in the code in Http Session
and use it for further processing.

Change Description

Copy the table model into HttpSession for the application code to
fetch the UI representation of the data.

The advantage is that the developer can have the access to this
tablemodel data and he/she can process the data further in the format
required for reporting.

Currently the display tag constructs the TableModel data using the
input dataset =93sessionScope.data=94

For Example :

<display:table name="sessionScope.data" >

<display:column property="region" />

<display:column property="attempt" total="true" />

<display:column property="success" total="true" />

<display:column property="deny" total="true" />

<display:column property="failure" total="true"/>

<display:column property="commfail" total="true"/>

<display:column property="timeout" total="true"/>

<display:column property="badaid" total="true" />

<display:column property="vt1aid" total="true"/>

<display:column property="fract1" total="true" />

</display:table>

__________________________________________________________________________

Request to add new attribute like =93outputAttr=94 to the table tag.

(so the affected files will be org.displaytag.tags.TableTag and
displaytag.tld )

<display:table name="sessionScope.data" outputAttr= =93tablemodel=94 >

<display:column property="region" />

<display:column property="attempt" total="true" />

<display:column property="success" total="true" />

<display:column property="deny" total="true" />

<display:column property="failure" total="true"/>

<display:column property="commfail" total="true"/>

<display:column property="timeout" total="true"/>

<display:column property="badaid" total="true" />

<display:column property="vt1aid" total="true"/>

<display:column property="fract1" total="true" />

</display:table>

org.displaytag.model.TableModel model =
session.getAttribute(=93tablemodel=94);

/******************Changes to TableTag.java
*************************************/

if (MediaTypeEnum.HTML.equals(this.currentMediaType)
                && (previousMediaType == null || MediaTypeEnum.HTML
                        .equals(previousMediaType))) {
            writeHTMLData();

            /* code added to set the table model*/

         log.info("Setting the table model for test reports");
         List list = this.tableModel.getHeaderCellList();
         if( ! list.isEmpty()) {
         this.pageContext.setAttribute( "tmp", this.tableModel);
                  this.session.setAttribute( outputAttr,
                  this.pageContext.getAttribute( "tmp" ) );
         }
         log.info("table model is set to output
attribute");
            /* code added to set table model - ends */

        } else if (!MediaTypeEnum.HTML.equals(this.currentMediaType)) {
            if (log.isDebugEnabled()) {
                log.debug("[" + getUid() + "] doEndTag - exporting");
            }

/******************Changes to TableTag.java
*************************************/
___________________________________________________________________________=
______

/******************Changes to displaytag.tld
*************************************/

    <attribute>
      <name>outputAttr</name>
      <required>false</required>
      <rtexprvalue>true</rtexprvalue>
      <description>
        gets the table model object
      </description>
    </attribute>
     
/******************Changes to displaytag.tld
*************************************/