mirror/opensourcepos
1
0
Fork 0
mirror of https://github.com/opensourcepos/opensourcepos.git synced 2026-05-24 16:28:40 -04:00
Code Issues Packages Projects Releases Wiki Activity

Add barcode generation for EAN8 and EAN13 (#111, #246)

Browse Source 
Add config option to use generation when generating barcodes for an
Generate propery barcode with configured format if item_number empty
This commit is contained in:
jekkos
2015-12-24 12:40:02 +01:00
parent c007513fc8
commit eb63f49db7
20 changed files with 188 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files

118
application/libraries/Barcode_lib.php
View File

@@ -38,11 +38,35 @@ class Barcode_lib
$data['barcode_num_in_row'] = $this->CI->Appconfig->get('barcode_num_in_row');
$data['barcode_page_width'] = $this->CI->Appconfig->get('barcode_page_width');
$data['barcode_page_cellspacing'] = $this->CI->Appconfig->get('barcode_page_cellspacing');
$data['barcode_generate_if_empty'] = $this->CI->Appconfig->get('barcode_generate_if_empty');
return $data;
}
private function get_barcode_instance($barcode_type='Code128')
public function validate_barcode($barcode)
{
$barcode_type = $this->CI->Appconfig->get('barcode_type');
$barcode_instance = $this->get_barcode_instance($barcode_type);
return $barcode_instance->validate($barcode);
}
public static function barcode_instance($item, $barcode_config)
{
$barcode_instance = Barcode_lib::get_barcode_instance($barcode_config['barcode_type']);
$is_valid = empty($item['item_number']) && $barcode_config['barcode_generate_if_empty'] || $barcode_instance->validate($item['item_number']);
// if barcode validation does not succeed,
if (!$is_valid)
{
$barcode_instance = Barcode_lib::get_barcode_instance();
}
$seed = Barcode_lib::barcode_seed($item, $barcode_instance, $barcode_config);
$barcode_instance->setData($seed);
return $barcode_instance;
}
private static function get_barcode_instance($barcode_type='Code128')
{
switch($barcode_type)
{
@@ -64,36 +88,41 @@ class Barcode_lib
break;
}
}
private static function barcode_seed($item, $barcode_instance, $barcode_config)
{
$seed = $barcode_config['barcode_content'] !== "id" && isset($item['item_number']) ? $item['item_number'] : $item['item_id'];
if( $barcode_config['barcode_content'] !== "id" && !empty($item['item_number']))
{
$seed = $item['item_number'];
}
else
{
if ($barcode_config['barcode_generate_if_empty'])
{
// generate barcode with the correct instance
$seed = $barcode_instance->generate($seed);
}
else
{
$seed = $item['item_id'];
}
}
return $seed;
}
private function generate_barcode($item, $barcode_config)
{
try
{
$barcode = $this->get_barcode_instance($barcode_config['barcode_type']);
$is_valid = $barcode->validate($item['item_number']);
$barcode_instance = Barcode_lib::barcode_instance($item, $barcode_config);
$barcode_instance->setQuality($barcode_config['barcode_quality']);
$barcode_instance->setDimensions($barcode_config['barcode_width'], $barcode_config['barcode_height']);
// if barcdoe validation does not succeed, then fallback to the default, which should not require specific formatting
if (!$is_valid)
{
$barcode = $this->get_barcode_instance();
}
$barcode_content = $barcode_config['barcode_content'] !== "id" && isset($item['item_number']) ? $item['item_number'] : $item['item_id'];
$barcode->setData($barcode_content);
if( $barcode_config['barcode_content'] !== "id" && isset($item['item_number']))
{
$barcode->setData($item['item_number']);
}
else
{
$barcode->setData($item['item_id']);
}
$barcode->setQuality($barcode_config['barcode_quality']);
$barcode->setDimensions($barcode_config['barcode_width'], $barcode_config['barcode_height']);
$barcode->draw();
$barcode_instance->draw();
return $barcode->base64();
return $barcode_instance->base64();
}
catch(Exception $e)
{
@@ -128,42 +157,7 @@ class Barcode_lib
}
}
public function get_new_barcode($item, $barcode_config)
{
try
{
$barcode = $this->get_barcode_instance($barcode_config['barcode_type']);
// generate a barcode only if one is not already available and we use the item_id as seed.
// This to avoid generating Barcodes out of existing Barcodes
if( $barcode_config['barcode_content'] !== "id" && isset($item['item_number']) )
{
$barcode->setData($item['item_number'], false);
return null;
}
else
{
$barcode->setData($item['item_id'], true);
$code = $barcode->getData();
// in case no new code is generated like in Code39 and Code128 return an empty string because we don't want to override it with a pure item_id
if( $code == $item['item_id'] )
{
$code = null;
}
return $code;
}
}
catch(Exception $e)
{
echo 'Caught exception: ', $e->getMessage(), "\n";
}
}
public function create_display_barcode($item, $barcode_config)
public function display_barcode($item, $barcode_config)
{
$display_table = "<table>";
$display_table .= "<tr><td align='center'>" . $this->manage_display_layout($barcode_config['barcode_first_row'], $item, $barcode_config) . "</td></tr>";