Iname);
}
// We then do a check to see if the user has clicked the "Add ingredient" button, if they have we increase the amount by 1.
if (isset($form_state['values']['Iname']['add_more']) && $form_state['values']['op'] == 'Add ingredients' || $form_state['values']['op'] == 'Add More Ingredients') {
$quantity++;
}
}
// We create a hidden form element to store the amount of fields that the user has added.
$form['quantity'] = array(
'#type' => 'value',
'#value' => $quantity,
);
$form['Rname'] = array(
'#type' => 'textfield',
'#title' => t('Recipe Name'),
'#size' => 36,
'#default_value' => $form_state['values']['Rname'],
);
$form['recipeId'] = array(
'#type' => 'textfield',
'#title' => t('Recipe Id'),
'#size' => 36,
'#default_value' => $form_state['values']['recipeId'],
);
$form['method'] = array(
'#type' => 'textfield',
'#title' => t('Preparation'),
'#size' => 110,
'#default_value' => $form_state['values']['method'],
'#prefix' => '',
'#suffix' => '
',
'#tree' => TRUE // This is important for ahah_helper.
);
$form['Iname'] = array(
'#type' => 'fieldset',
'#title' => t('Ingredient(s)'),
'#prefix' => '',
'#suffix' => '
',
'#tree' => TRUE // This is important for ahah_helper.
);
$form['ingredId'] = array(
'#type' => 'fieldset',
'#title' => t('IngredId(s)'),
'#prefix' => '',
'#suffix' => '
',
'#tree' => TRUE // This is important for ahah_helper.
);
$form['weight'] = array(
'#type' => 'fieldset',
'#title' => t('Weight(s)'),
'#prefix' => '',
'#suffix' => '
',
'#tree' => TRUE // This is important for ahah_helper.
);
// We now do a simple loop, creating however many textfields are defined by $form_state['storage']['quantity']
for ($i = 1; $i <= $quantity; $i++) {
// The element name needs to be different for each textfield, otherwise we will only get one value after the form is submitted.
$form['Iname']['Iname'. $i] = array(
'#type' => 'textfield',
'#title' => t('Ingredient'),
'#size' => 36,
'#default_value' => $form_state['values']['Iname']['Iname'. $i],
);
$form['ingredId']['ingredId_'. $i] = array(
'#type' => 'textfield',
'#title' => t('IngredId'),
'#size' => 36,
'#default_value' => $form_state['values']['ingredId']['IngredId_'. $i],
);
$form['weight']['weight_'. $i] = array(
'#type' => 'textfield',
'#title' => t('weight'),
'#size' => 36,
'#default_value' => $form_state['values']['weight']['weight_'. $i],
);
}
// We add in a button with the #ahah element which will handle all our work for us.
$form['weight']['add_more'] = array(
'#type' => 'submit',
'#value' => t('Add More Ingredients'),
'#ahah' => array(
'event' => 'click//', // When the button is "clicked", AHAH will do it's job
'path' => ahah_helper_path(array('weight')), // The array features the wrapper form field. So our form wrapper is $form['ingredients'], so we set this to array('ingredients'). If your form was $form['ingredients']['another_wrapper'], the path would be array('ingredients', 'another_wrapper').
'wrapper' => 'favourite-ingredients-wrapper', // We then define the wrapper which will be changed.
)
);
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('submit'),
'#ahah' => array(
'event' => 'click',
'path' => ahah_helper_path(array('Iname')),
'wrapper' => 'favourite-ingredients-wrapper',
),
);
return $form;
}