BootstrapForm.php

<?php
/**
 *
 * Helper Class to output correct Twitter Bootstrap Markup.
 * Only option for now is the horizontal Form.
 *
 * Usage :
 *
    $form = new BootstrapForm('add_user');
    $form->addInput('text-input', 'user_name',       'Your name:',   true);
    $form->addInput('text-area',  'user_address',    'Your Address', true);
    return $form->outputForm();
 *
 */
class BootstrapForm
{

  var $output;
  var $formId;
  var $formClasses;
  var $formType;


  public function __construct($formId, $formClasses = null, $type = 'form-horizontal'){
    $this->formId      = $formId;
    $this->formClasses = $formClasses;
    $this->formType    = $type;

    $this->openForm();
  }

  public function openForm(){
    $this->output = sprintf(('
      <form id="%1$s" class="%1$s %3$s">
       <fieldset>'),
      $this->formId,
      $this->formClasses,
      $this->formType
    );
  }

  public function closeForm(){
    $this->output .=
      '<div class="form-actions">
            <button type = "submit" class="btn btn-primary"> Send</button>
            <button class="btn"> Cancel</button>
            </div >
        </fieldset >
    </form >';
  }

  public function addInput($type, $id, $label, $required = false, $extraClasses = false){

    //TODO - Add all the other input types
    switch ($type) {
      case 'text-input' :
        $string = '<input id="%1$s" class="span3 %2$s %3$s" onkeyup="" type="text" name="%1$s" value="" size="25">';
        break;
      case 'text-area' :
        $string = '<textarea id="%1$s" name="%1$s" cols="45" rows="6" class="%2$s %3$s"></textarea>';
        break;
    }

    //start the group
    $this->output .= sprintf(('
         <div class="control-group">
           <label class="control-label" for="%1$s">%2$s</label>
            <div class="controls">'), $id, $label);
    //add the input element
    $this->output .= sprintf(($string), $id,  ($required) ? 'required' : null, ($extraClasses) ? $extraClasses : null);
    //close the group
    $this->output .= '</div></div>';
  }
  public function outputForm(){
    $this->closeForm();
    return $this->output;
  }
}