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<? |
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/* |
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## ------------------------------------------------------------------------- |
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## $Id: GenericGUIDataList.php,v 1.8 2003/04/09 07:54:42 joko Exp $ |
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## ------------------------------------------------------------------------- |
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## $Log: GenericGUIDataList.php,v $ |
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## Revision 1.8 2003/04/09 07:54:42 joko |
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## cleaned up decoding part |
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## |
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## Revision 1.7 2003/04/09 00:37:53 jonen |
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## + added actionbar |
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## + some changes according to request vars |
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## |
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## Revision 1.6 2003/04/08 17:48:31 jonen |
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## + bugfix again |
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## |
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## Revision 1.5 2003/04/08 17:33:22 jonen |
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## + fixed problems with hidden form fields(current base URL) at the 'simple search form' |
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## |
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## Revision 1.4 2003/04/06 01:41:07 jonen |
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## - removed duplicated decode functions |
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## |
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## Revision 1.3 2003/04/04 21:26:06 joko |
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## added comments regarding possible (future) refactoring using the Data::Lift-infrastructure |
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## |
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## Revision 1.2 2003/04/04 00:45:40 jonen |
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## + reworked decode functions |
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## |
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## Revision 1.1 2003/03/27 01:17:31 jonen |
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## + inital commit (was orginal 'ObjectList.inc) |
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## |
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## Revision 1.1 2003/03/20 04:17:28 jonen |
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## + initial commit |
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## |
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## Revision 1.2 2003/03/02 04:32:22 cvsmax |
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## + add decode_item functions |
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## |
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## Revision 1.1 2003/03/01 22:57:40 cvsmax |
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## + inital commit |
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## |
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## ------------------------------------------------------------------------- |
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*/ |
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|
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|
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/** |
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* Need to make sure we have the DefaultGUIDataList object |
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*/ |
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require_once($phphtmllib."/widgets/data_list/DefaultGUIDataList.inc"); |
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|
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|
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class GenericGUIDataList extends DefaultGUIDataList { |
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|
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/** |
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* Args needed for object list. |
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* Current use: |
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* - use some bits to create locator metadata (see below) |
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* - use all options to propagate to an AdapterProxy (here: GenericDataSource) |
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* as a query to receive a list of objects as response to a rpc-call. |
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* Todo: glossary: ban "*list* of objects" - it's an object *set* !!! (see CPAN's Set::Object) |
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* |
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*/ |
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var $_options = NULL; |
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|
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/** |
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* Holds a list of hidden elements |
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* |
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*/ |
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var $_hidden_elements = array(); |
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|
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|
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/** |
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* The constructor is used to pass in some additional |
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* metadata informations as "options". |
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* The "locator metadata hash" isn't passed in here |
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* any more. Handling this one occours one level deeper |
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* inside the "GenericDataSource" Proxy. |
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* |
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* It's still possible to set locator metadata directly by |
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* using the optional key 'locator' inside your options hash. |
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* This can be either a DataSource::Locator instance or a plain |
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* hash. However - it gets merged to the master locator |
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* created by GenericDataSource using 'array_join_merge'. |
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* |
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* @param old: LocatorMetadataHash array - layout: array( type => '', metadata => '', dsn => '' ) |
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* @param old: Query array - layout: array( type => '', metadata => '', dsn => '' ) |
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* |
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* @param new: options array - layout: array( datasource_type => '', [locator => array()] ) |
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* |
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* |
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*/ |
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function GenericGUIDataList($title, $width = "100%", $default_orderby='', $default_reverseorder=FALSE, $options = array()) { |
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if ($options) { $this->_options = $options; } |
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|
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// call parent constructor |
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$parent = get_parent_class($this); |
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$this->$parent($title, $width = "100%", $default_orderby='', $default_reverseorder=FALSE); |
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} |
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|
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|
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function get_data_source( ) { |
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|
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// finally: create phpHtmlLib source handle (XyzDataListSource) |
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|
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// V1: |
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//$source = new GenericDataSource($this->_locator, $this->_options); |
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//$this->set_data_source( &$source ); |
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|
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/* |
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// V2: |
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loadModule("DataSource::GenericDataSource"); |
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$source = new DataSource_GenericDataSource($this->_locator, $this->_options); |
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$this->set_data_source( &$source ); |
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*/ |
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|
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// V3: |
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/* |
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$proxy = php::mkComponent('DataSource::GenericDataSource', $this->_locator, $this->_options); |
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$source = &$proxy; |
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$this->set_data_source( &$source ); |
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*/ |
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|
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// V4: |
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/* |
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$proxy = php::mkComponent('DataSource::GenericDataSource', array( proxy => '', adapter => ''), $this->_options); |
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$source = &$proxy; |
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$this->set_data_source( &$source ); |
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*/ |
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|
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// V5: |
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//print "options: " . Dumper($this->_options); |
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|
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$initial_locator = php::mkComponent( 'DataSource::Locator', array( adapter_type => 'phpHtmlLib' ) ); |
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//print "1st locator: " . Dumper($initial_locator); |
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|
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// OLD |
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//$proxy = php::mkComponent('DataSource::Generic', $initial_locator, $this->_options); |
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|
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//print "Test Query:"; |
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//print Dumper($this->_options['query']); |
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$proxy = php::mkComponent('DataSource::Generic', $initial_locator, $this->_options['data_locator_meta']); |
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|
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// debug |
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//print "Proxy: " . Dumper($proxy); |
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|
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// V1: |
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//$source = &$proxy; |
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|
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// V2: |
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//$source->make_adapter_transparent(); |
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|
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// V3: |
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$source = $proxy->get_adapter(); |
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|
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// V4: |
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//$source = $this->_datasource; |
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|
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//print "objectlist-source: " . Dumper($source); |
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//exit; |
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|
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$this->set_data_source( &$source ); |
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|
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} |
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|
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function user_setup() { |
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|
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//return; |
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|
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$source = $this->_datasource; |
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//if (!$source) { return; } |
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|
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//print Dumper($source); |
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$headers = $source->get_header(); |
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//print Dumper($headers); |
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|
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$this->set_title( $this->get_title() . ' - ' . $source->get_total_rows() . ' Einträge' ); |
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|
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foreach($headers as $val) { |
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$this->add_header_item($val, "150", $val, SORTABLE, SEARCHABLE); |
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} |
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|
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/* |
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$this->add_header_item("Uid", "200", "uid", SORTABLE, SEARCHABLE); |
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$this->add_header_item("Name", "200", "lastName", SORTABLE, SEARCHABLE, "center"); |
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*/ |
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} |
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|
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|
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/** |
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* This function ensures that the data we place |
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* in a column is aligned according to what the |
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* user wants. |
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* |
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* @param mixed - $obj - the data for the td. |
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* @param string - $col_name - the name of the column header |
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* for this row to render. |
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* @param int - $odd_row - tells us if this cell lives in |
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* an odd # row (for alternating row colors) |
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* @param int - the column # we are working on. |
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* @return TDtag object |
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*/ |
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function wrap_column_item($obj, $col_name) { |
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|
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//make sure its set to something. |
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if ($obj == '') { |
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$obj = " "; |
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} |
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|
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// decode item / mungle item data? |
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// TODO: use Data::Lift here!!! (like already done in YAA::JobList and YAA::JobDetails) |
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elseif ($this->_options['decode']) { |
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|
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// Proposal using Data::Lift: (see YAA::JobList and YAA::JobDetails) |
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// This class will get shorter and better to maintain! |
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|
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// Picture Data::Lift as a container component handling |
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// *specific* en-/decoding stuff for your very core components. |
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// This way we will have almost all "specific mungling code" at one place. nice thing! |
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|
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/* |
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|
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// 1. expr: string -> object (phpHtmlLib-object: 'html_a'-tag) |
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// returns a phpHtmlLib object of class 'Xyz' containing a http-/html-link |
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// pointing to a View of a different - linked/referenced - object (reference-interpolation) |
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$this->lift1 = php::mkComponent('Data::Lift', $obj, array( metatype => 'expression' ) ); |
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$obj = $this->lift1->to('phpHtmlLib::html_a'); |
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|
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// 2. data: hash -> object (phpHtmlLib-object: 'container'-object containing form) |
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// returns a phpHtmlLib object of class 'Container' containing a html-form made up of |
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// phpHtmlLib form-tags wrapping all attribute-value pairs of the data hash (object-edit) |
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$this->lift2 = php::mkComponent('Data::Lift', $obj, array( metatype => 'item' ) ); |
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$obj = $this->lift2->to('phpHtmlLib::form'); |
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|
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*/ |
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|
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$utils = php::mkComponent('WebExplorer::utils'); |
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$hidden = $this->_hidden_elements; |
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$options = $this->_options['decode_args']; |
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|
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// a) Iterate through the attributes of the item and replace each |
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// value with an appropriate link object if it has a certain format. |
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if ($utils->decode_item_expr($obj, $hidden, $options)) { |
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|
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// b) Otherwise: If item is an Array we will replace it with a selection form object. |
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} else { |
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$utils->decode_item_array($obj, $hidden, $options); |
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} |
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|
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} |
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|
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//make sure we don't put a right border on the last |
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//column we are working on. |
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//$style = "padding-left: 3px;padding-right:3px;border-top: 1px solid #dddddd;"; |
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|
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|
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if ($this->_columns[$col_name]["data_name"] == $this->orderby()) { |
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$style = "background-color: #f4f4f4;"; |
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} else { |
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$style = "background-color: #ffffff;"; |
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} |
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|
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$align = $this->_columns[$col_name]["align"]; |
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$td = new TDtag(array("align" => $align, |
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"style" => $style, |
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"class" => "datalist_data_cell")); |
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|
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if (is_object($obj) && $obj->_tag == "td") { |
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return $obj; |
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} else { |
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$td->add( $obj ); |
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} |
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return $td; |
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} |
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|
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function add_hidden_element($label, $value) { |
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$this->_hidden_elements[$label] = $value; |
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} |
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|
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|
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/** |
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* This function builds the simple search TD |
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* |
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* @return ContainerWidget |
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*/ |
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function _build_simple_search_form() { |
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|
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//if there is only 1 item enabled for search |
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//then the search looks simple. |
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$fields = $this->_get_searchable_fields(); |
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$cnt = count($fields); |
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if ($cnt == 0) { |
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return NULL; |
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} |
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|
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$container = new ContainerWidget; |
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|
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// get current request vars and add them ad hidden items |
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$url_vars = $this->_get_current_url_vars(); |
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foreach($url_vars as $label => $value) { |
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$container->push(form_hidden($label, $value)); |
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} |
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|
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if ($cnt == 1) { |
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//user only has 1 field to show. |
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list($name, $field) = each($fields); |
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$container->push("Find ".$name." "); |
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} else { |
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//user has many fields to show. |
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$container->push("Find ", |
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form_select($this->_vars["search_fieldVar"], $fields, $this->search_field())); |
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} |
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|
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if ($this->get_simple_search_modifier()) { |
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//the user wants the search modifier turned on. |
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$container->push($this->_build_simple_search_modifier()); |
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} |
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|
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$container->push(form_text($this->_vars["search_valueVar"], $this->search_value_filter($this->search_value()), "20", "100", array("style"=>"vertical-align:middle;")), |
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form_submit($this->get_form_name(), "Search", array("style"=>"vertical-align:middle;"))); |
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|
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if ($this->is_advanced_search_enabled()) { |
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$span = html_span(html_a("ass","Advanced Search", "title")); |
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$container->push(" ", $span); |
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} |
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|
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if ($cnt == 1) { |
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$container->push(form_hidden($this->_vars["search_fieldVar"], $field)); |
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} |
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|
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|
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//$container->push(form_close() ); |
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return $container; |
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} |
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|
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|
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/** |
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* this is the method that builds |
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* the contents for the middle actionbar |
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* td cell. |
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* |
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* @return ContainerWidget object |
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*/ |
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function actionbar_cell() { |
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$action_list = $this->_options['actionbar']['list']; |
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$action_name = $this->_options['actionbar']['name']; |
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|
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if($action_name && is_array($action_list)) { |
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$action_form = container("Select action", _HTML_SPACE, |
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form_open("data_list_action", $_SERVER['PHP_SELF'], 'POST'), |
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form_select($action_name, $action_list), |
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form_submit("submit","OK" ) |
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); |
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$url_vars = $this->_get_current_url_vars(); |
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foreach($url_vars as $label => $value) { |
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$action_form->add(form_hidden($label, $value)); |
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} |
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$action_form->add(form_close()); |
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return $action_form; |
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} else { |
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return _HTML_SPACE; |
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} |
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} |
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|
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|
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/* |
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* this method returns the current requested variables |
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* |
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* @return array |
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*/ |
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function _get_current_url_vars() { |
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$cur_url_vars = array(); |
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|
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// get new LinkBuilder instance |
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$linkbuilder = new LinkBuilder(); |
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|
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$url_vars = php::array_join_merge($_GET, $_POST); |
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if(is_array($url_vars)) { |
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foreach($url_vars as $key => $value) { |
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// if there is an LinkBuilder guid instead of variables, encode it |
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if($key == 'lbid') { |
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$lb_vars = $linkbuilder->load($value); |
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foreach($lb_vars as $lbkey => $lbval) { |
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$cur_url_vars[$lbkey] = $lbval; |
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} |
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} else { |
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$cur_url_vars[$key] = $value; |
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} |
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} |
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} |
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return $cur_url_vars; |
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} |
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|
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} |
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?> |
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