Sorting <tc:sheet>

<?xml version="1.0" encoding="UTF-8"?>

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<ui:composition template="/main.xhtml"
                xmlns="http://www.w3.org/1999/xhtml"
                xmlns:tc="http://myfaces.apache.org/tobago/component"
                xmlns:ui="http://java.sun.com/jsf/facelets">
  <ui:param name="title" value="#{demoBundle.sheet_sorting} &lt;tc:sheet>"/>
  <p>Sorting can be enable via the <code>sortable</code> attribute in the
    <code class="language-markup">&lt;tc:column/></code>.
    A custom sorting implementation can be set in the <code>sortActionListener</code> attribute in the
    <code class="language-markup">&lt;tc:sheet/></code>.</p>
  <p>It's important to have a component inside the <code class="language-markup">&lt;tc:column/></code>,
    e. g. <code class="language-markup">&lt;tc:out value="\#{object.name}"/></code>.
  If there is only a fragment like <code class="language-markup">\#{object.name}</code>,
    sorting will not be possible!</p>
  <p>Tag Library Documentation:
    <tc:link label="&lt;tc:sheet/>" image="#{request.contextPath}/image/feather-leaf.png"
             link="#{demoBundle.tagDocUrl}/#{apiController.currentRelease}/tld/tc/sheet.html"/>
    |
    <tc:link label="&lt;tc:column/>" image="#{request.contextPath}/image/feather-leaf.png"
             link="#{demoBundle.tagDocUrl}/#{apiController.currentRelease}/tld/tc/column.html"/></p>

  <tc:section label="Basics">
    <p>In this example, the <code>sortable</code> attribute is 'true' for all columns.
      Notice, that there are negative periods.</p>
    <pre><code class="language-markup">&lt;tc:column label="Name" sortable="true"></code></pre>
    <tc:sheet id="s1" value="#{sheetSortingController.solarList}" var="object" rows="4" markup="small">
      <tc:column id="columnName" label="Name" sortable="true">
        <tc:out value="#{object.name}" labelLayout="skip"/>
      </tc:column>
      <tc:column id="columnPeriod" label="Period (Days)" sortable="true">
        <tc:out value="#{object.period}" labelLayout="skip"/>
      </tc:column>
      <tc:column id="columnDistance" label="Distance" sortable="true" rendered="false">
        <tc:out value="#{object.distance}" labelLayout="skip"/>
      </tc:column>
      <tc:column id="columnDiscoverYear" label="Discovery Year" sortable="true">
        <tc:out value="#{object.discoverYear}" labelLayout="skip"/>
      </tc:column>
    </tc:sheet>
  </tc:section>

  <tc:section label="Custom Sorting">
    <p>All columns in this sheet can be sorted. A custom sorting implementation is set.
      Now, the sign for period numbers is ignored by sorting.</p>

    <pre><code class="language-markup">&lt;tc:sheet value="\#{sheetController.solarList}"
    var="solarobject" rows="4"
    sortActionListener="\#{sheetController.sheetSorter}">
      &lt;tc:column id="namecol" label="Name" sortable="true">
      ...
    </code></pre>

    <tc:sheet id="s2" value="#{sheetSortingController.solarList}" var="object" rows="4"
              sortActionListener="#{sheetSortingController.sheetSorter}" markup="small">
      <tc:column id="customColumnName" label="Name" sortable="true">
        <tc:out value="#{object.name}" labelLayout="skip"/>
      </tc:column>
      <tc:column id="customColumnPeriod" label="Period (Days)" sortable="true">
        <tc:out value="#{object.period}" labelLayout="skip"/>
      </tc:column>
      <tc:column id="customColumnDistance" label="Period (Days)" sortable="true" rendered="false">
        <tc:out value="#{object.period}" labelLayout="skip"/>
      </tc:column>
      <tc:column id="customColumnYear" label="Discovery Year" sortable="true">
        <tc:out value="#{object.discoverYear}" labelLayout="skip"/>
      </tc:column>
    </tc:sheet>
  </tc:section>
</ui:composition>