opensourcepos/application/views/items/inventory.php

<div id="required_fields_message"><?php echo $this->lang->line('common_fields_required_message'); ?></div>

<ul id="error_message_box" class="error_message_box"></ul>

<?php echo form_open('items/save_inventory/'.$item_info->item_id, array('id'=>'item_form', 'class' => 'form-horizontal')); ?>
	<fieldset id="item_basic_info">
		<div class="form-group form-group-sm">
			<?php echo form_label($this->lang->line('items_item_number').':', 'name', array('class'=>'control-label col-xs-3')); ?>
			<div class="col-xs-6">
				<?php echo form_input(array(
						'name'=>'item_number',
						'id'=>'item_number',
						'value'=>$item_info->item_number,
						'class'=>'form-control input-sm',
						'disabled'=>'')
						); ?>
			</div>
		</div>

		<div class="form-group form-group-sm">
			<?php echo form_label($this->lang->line('items_name').':', 'name', array('class'=>'control-label col-xs-3')); ?>
			<div class='col-xs-6'>
				<?php echo form_input(array(
						'name'=>'name',
						'id'=>'name',
						'value'=>$item_info->name,
						'class'=>'form-control input-sm',
						'disabled'=>'')
						); ?>
			</div>
		</div>

		<div class="form-group form-group-sm">
			<?php echo form_label($this->lang->line('items_category').':', 'category', array('class'=>'control-label col-xs-3')); ?>
			<div class='col-xs-6'>
				<?php echo form_input(array(
						'name'=>'category',
						'id'=>'category',
						'value'=>$item_info->category,
						'class'=>'form-control input-sm',
						'disabled'=>'')
						); ?>
			</div>
		</div>

		<div class="form-group form-group-sm">
			<?php echo form_label($this->lang->line('items_stock_location').':', 'stock_location', array('class'=>'control-label col-xs-3')); ?>
			<div class='col-xs-6'>
				<?php echo form_dropdown('stock_location', $stock_locations, current($stock_locations), array('onchange'=>'fill_quantity(this.value)', 'class'=>'form-control'));	?>
			</div>
		</div>

		<div class="form-group form-group-sm">
			<?php echo form_label($this->lang->line('items_current_quantity').':', 'quantity', array('class'=>'control-label col-xs-3')); ?>
			<div class='col-xs-2'>
				<?php echo form_input(array(
						'name'=>'quantity',
						'id'=>'quantity',
						'value'=>current($item_quantities),
						'class'=>'form-control input-sm',
						'disabled'=>'')
						); ?>
			</div>
		</div>

		<div class="form-group form-group-sm">
			<?php echo form_label($this->lang->line('items_add_minus').':', 'quantity', array('class'=>'required control-label col-xs-3')); ?>
			<div class='col-xs-2'>
				<?php echo form_input(array(
						'name'=>'newquantity',
						'id'=>'newquantity',
						'class'=>'form-control input-sm')
						); ?>
			</div>
		</div>

		<div class="form-group form-group-sm">
			<?php echo form_label($this->lang->line('items_inventory_comments').':', 'description', array('class'=>'control-label col-xs-3')); ?>
			<div class='col-xs-6'>
				<?php echo form_textarea(array(
						'name'=>'trans_comment',
						'id'=>'trans_comment',
						'class'=>'form-control input-sm')
						);?>
			</div>
		</div>
	</fieldset>
<?php echo form_close(); ?>

<script type='text/javascript'>
//validation and submit handling
$(document).ready(function()
{		
	$('#item_form').validate({
		submitHandler:function(form)
		{
			$(form).ajaxSubmit({
			success:function(response)
			{
				dialog_support.hide();
				post_item_form_submit(response);
			},
			dataType:'json'
		});

		},
		errorLabelContainer: "#error_message_box",
 		wrapper: "li",
		rules: 
		{
			newquantity:
			{
				required:true,
				number:true
			}
   		},
		messages: 
		{
			
			newquantity:
			{
				required:"<?php echo $this->lang->line('items_quantity_required'); ?>",
				number:"<?php echo $this->lang->line('items_quantity_number'); ?>"
			}
		}
	});
});


function fill_quantity(val) 
{   
    var item_quantities= <?php echo json_encode($item_quantities ); ?>;
    document.getElementById("quantity").value = item_quantities[val];
}
</script>