I could not find a reasonable solution within CakePHP to add a new row
of inputs to my form. So I did the following using jQuery.
JAVASCRIPT FUNCTION
$('#add_ingredient_row').click(function()
{
// Clone the last row of the table.
var clonedRow = $("#ingredient_list tr:last").clone();
// Generate an incremented index for the new row. -1 because
there
is a table header row
var newIndex = (document.getElementById
('ingredient_list').rows.length -1);
// Set the ID of the row with the new index
clonedRow[0].id = 'ingredient_' + newIndex;
//console.log('ingredient_' + newIndex);
// Loop through all of the inputs and select in the cloned row
// Find the name and ID of the input/select element and find the
number in it abd replace it with the
// new index.
$.each($('input, select', clonedRow), function(i, val)
{
//console.log(val);
//console.log('Index -1: ' + (newIndex -1) + '. Index:
' +
newIndex);
val.name = val.name.replace((newIndex - 1), newIndex);
val.id = val.id.replace((newIndex - 1), newIndex);
val.value = '';
});
// put the row into the table
$("#ingredient_list").append(clonedRow);
}
);
THIS IS THE HTML TABLE IT OPERATES ON
<table id="ingredient_list">
<tr>
<th>Amount</th>
<th>Measurement Type</th>
<th>Description</th>
<th>Ingredient</th>
</tr>
<tr id="ingredient_0">
<td>
<div class="input text"><input
name="data[IngredientList][0]
[amount]" type="text" maxlength="5" value=""
id="IngredientList0Amount" /></div><input type="hidden" name="data
[IngredientList][0][id]" value="" id="IngredientList0Id" /> </td>
<td>
<select
name="data[IngredientList][0][measurement_type_id]"
id="IngredientList0MeasurementTypeId">
<option value=""></option>
<option value="0000000002">cup</option>
<option value="0000000005">fluid ounce</option>
<option value="0000000001">ounce</option>
<option value="0000000004">tablespoon</option>
<option value="0000000003">teaspoon</option>
</select>
</td>
<td>
<div class="input text"><input
name="data[IngredientList][0]
[description]" type="text" maxlength="255" value=""
id="IngredientList0Description" /></div> </td>
<td>
<select name="data[IngredientList][0][ingredient_id]"
id="IngredientList0IngredientId">
<option value=""></option>
<option value="0000000006">broccoli</option>
<option value="0000000008">garlic</option>
<option value="0000000009">olive oil</option>
<option value="0000000010">peanut oil</option>
<option value="0000000012">red onion</option>
<option value="0000000007">white onion</option>
<option value="0000000011">yellow onion</option>
</select>
</td>
</tr>
</table>
<div id="add_ingredient_row">Add Another</div>
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