Alfresco：定义新的控制参数

<set appearance="title" label-id="Opportunity Registration Form" id="info"/>
<field set="info" label-id="Program Name" id="orpWorkflow:programName">
  <control template="/org/alfresco/components/form/controls/textfieldcustom.ftl">
    <control-param name="helptext">"Help text goes here."</control-param>
  </control>
</field>

<div class="form-field">
   <#if form.mode == "view">
      <div class="viewmode-field">
         <#if field.mandatory && !(field.value?is_number) && field.value == "">
            <span class="incomplete-warning"><img src="${url.context}/res/components/form/images/warning-16.png" title="${msg("form.field.incomplete")}" /><span>
         </#if>
         <span class="viewmode-label">${field.label?html}:</span>
         <#if field.control.params.activateLinks?? && field.control.params.activateLinks == "true">
            <#assign fieldValue=field.value?html?replace("((http|ftp|https):\\/\\/[\\w\\-_]+(\\.[\\w\\-_]+)+([\\w\\-\\.,@?\\^=%&:\\/~\\+#]*[\\w\\-\\@?\\^=%&\\/~\\+#])?)", "<a href=\"$1\" target=\"_blank\">$1</a>", "r")>
         <#else>
            <#if field.value?is_number>
               <#assign fieldValue=field.value?c>
            <#else>
               <#assign fieldValue=field.value?html>
            </#if>
         </#if>
         <span class="viewmode-value"><#if fieldValue == "">${msg("form.control.novalue")}<#else>${fieldValue}</#if></span>
      </div>
   <#else>
      <label for="${fieldHtmlId}">${field.label?html}:<#if field.mandatory><span class="mandatory-indicator">${msg("form.required.fields.marker")}</span></#if></label>
      <input id="${fieldHtmlId}" name="${field.name}" tabindex="0"
             <#if field.control.params.password??>type="password"<#else>type="text"</#if>
             <#if field.control.params.styleClass??>class="${field.control.params.styleClass}"</#if>
             <#if field.control.params.style??>style="${field.control.params.style}"</#if>
             <#if field.value?is_number>value="${field.value?c}"<#else>value="${field.value?html}"</#if>
             <#if field.description??>title="${field.description}"</#if>
             <#if field.control.params.maxLength??>maxlength="${field.control.params.maxLength}"</#if> 
             <#if field.control.params.size??>size="${field.control.params.size}"</#if> 
             <#if field.disabled && !(field.control.params.forceEditable?? && field.control.params.forceEditable == "true")>disabled="true"</#if> />
      <@formLib.renderFieldHelp field=field />
	  <script type="text/javascript">//<![CDATA[
      (function()
      {
         new Alfresco.CustomYUIObject("${fieldHtmlId}").setOptions(
         {
            helpText:"${helpText}"
         }).setMessages(
            ${messages}
         );
      })();
      //]]></script>
	  <div class="format-info">
            <span class="date-format">${msg("${field.control.params.helpText}")}</span>
      </div>
   </#if>
</div>