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<? |
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/* |
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## ----------------------------------------------------------------------------- |
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## $Id: AbstractExplorer.php,v 1.17 2003/04/18 13:46:15 jonen Exp $ |
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## ----------------------------------------------------------------------------- |
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## $Log: AbstractExplorer.php,v $ |
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## Revision 1.17 2003/04/18 13:46:15 jonen |
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## + add hidden elements(items) now to the constructor arguments of each ecom |
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## |
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## Revision 1.16 2003/04/10 06:00:58 joko |
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## ALPHA: Item.Delete |
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## |
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## Revision 1.15 2003/04/09 02:08:20 joko |
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## CHANGE: renamed key 'classname' through 'nodename' |
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## |
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## Revision 1.14 2003/04/09 00:31:27 jonen |
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## + added arguments for data list ecom |
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## |
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## Revision 1.13 2003/04/09 00:03:11 jonen |
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## disabled form rendering for inheritanced items at 'list' |
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## |
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## Revision 1.12 2003/04/08 17:52:12 joko |
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## CHANGE: renamed property 'datasource' to 'transport' |
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## NEW: Module 'RemoteAction' |
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## |
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## Revision 1.11 2003/04/07 22:31:51 jonen |
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## + added switch of ecom label (e.g. nav, chooser) at ecom type switch 'nav' |
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## - removed recent added ecom type chooser |
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## |
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## Revision 1.10 2003/04/05 20:32:04 joko |
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## added Chooser |
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## |
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## Revision 1.9 2003/04/04 02:22:37 joko |
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## minor fix: querySchema now issues argument |
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## |
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## Revision 1.8 2003/04/04 01:16:03 jonen |
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## + integrated different mode's for 'DataItem' |
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## |
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## Revision 1.7 2003/03/29 07:49:55 joko |
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## show boxes in DEBUG-mode only! |
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## |
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## Revision 1.6 2003/03/28 06:42:37 joko |
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## fix: propagating rpc-debugging-options to constants here |
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## |
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## Revision 1.5 2003/03/27 01:24:29 jonen |
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## + enabled navigation ecom (only list yet) |
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## |
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## Revision 1.4 2003/03/20 08:02:11 jonen |
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## + purged code |
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## |
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## Revision 1.3 2003/03/20 07:54:52 jonen |
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## + added docu |
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## |
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## Revision 1.2 2003/03/20 07:44:31 jonen |
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## + removed dumper |
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## |
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## Revision 1.1 2003/03/20 03:48:46 jonen |
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## + initial commit |
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## |
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## Revision 1.1 2003/03/08 02:36:17 cvsmax |
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## + moved from *.inc |
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## + mungled namespace with WebExplorer |
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## |
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## Revision 1.3 2003/03/03 22:25:21 joko |
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## fixed minor typos |
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## namespace mungling |
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## |
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## Revision 1.2 2003/03/02 00:48:49 cvsmax |
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## + set up gui module registry |
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## - purged old/sample code |
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## |
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## Revision 1.1 2003/03/01 22:57:32 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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* WebExplorer::AbstractExplorer - this can be simple compared to a container, |
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* which modular GUI classes can be register, manipulated and rendered... |
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* |
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* @author Sebastian Utz <seut@tunemedia.de> |
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* @package org.netfrag.app |
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* @name WebExplorer::AbstractExplorer |
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*/ |
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|
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|
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class WebExplorer_AbstractExplorer { |
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|
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/** |
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* container holds meta information of data locators |
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*/ |
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var $_data_locators = array(); |
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|
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/** |
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* container for registered modules |
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*/ |
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var $_module = array(); |
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|
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/** |
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* container holds references to each ecom |
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*/ |
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var $_ecom = array(); |
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|
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/** |
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* holds the whole page state |
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*/ |
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var $_state = array(); |
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|
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/** |
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* holds state variables only needed for explorer |
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*/ |
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var $_e_state = array(); |
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|
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|
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function WebExplorer_AbstractExplorer($data_locators=array()) { |
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$this->_data_locators = $data_locators; |
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$this->init_default_gui_modules(); |
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$this->set_e_state(); |
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|
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//debug |
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//print "State: " . Dumper($this->_state) ."<br>"; |
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$div = html_div(); |
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$div->add( html_b(get_class($this)), html_hr(), "Explorer_State: " . Dumper($this->_e_state)); |
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$div->set_style('background: #adadad; border: 2px black groove; width:640px; padding:10px; margin:40px;'); |
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if (constants::get('DEBUG')) { |
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print $div->render(); |
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} |
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} |
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|
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|
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function add_data_locator($label, $args) { |
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$this->_data_locators[$label] = $args; |
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} |
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|
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function set_data_locator($label, $new_args=array() ) { |
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global $app; |
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|
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// pre-flight checks |
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if (!$label) { |
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user_error("AbstractExplorer::set_data_locator - label was empty."); |
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return; |
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} |
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|
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if ($label == "rpc") { |
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$rpcinfo = $app->getConfig("rpcinfo"); |
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define('RPC_HOSTNAME', $rpcinfo[Host]); |
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define('RPC_PORT', $rpcinfo[Port]); |
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define('RPC_DEBUG', $rpcinfo[DEBUG]); |
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define('RPC_TRACE', $rpcinfo[TRACE]); |
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define('RPC_DISCONNECT_ON_ERROR', $rpcinfo[DISCONNECT_ON_ERROR]); |
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} else { |
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user_error("AbstractExplorer::set_data_locator - Could not dispatch data_locator_key label '$label'!"); |
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} |
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} |
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|
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function get_data_locator($label) { |
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} |
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|
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function get_page_state() { |
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$requestTracker = mkObject("Application::Request::Tracker"); |
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//print Dumper($this->_state); |
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$this->_state = $requestTracker->getPointer(); |
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} |
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|
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function set_e_state($state = null) { |
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// NEW [2003-04-18]: now has two modes |
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// 1. inject page state from argument passed to us |
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// 2. (was) get page state from request tracker |
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if ($state) { |
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$this->_e_state = $state; |
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} else { |
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$this->get_page_state(); |
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$this->_e_state = $this->_state[options][options]; |
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} |
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// print "Setting Explorer state:" . Dumper($this->_e_state); |
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} |
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|
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function set_page_state() { |
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user_error("AbstractExplorer::set_page_state - please implement me...."); |
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} |
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|
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function init_default_gui_modules() { |
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|
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// format of parameters: label, ecom_type, abstract_type, module_name |
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|
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// 2003-03-02 - First ecom modules/components |
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//$this->register_gui_module("n_tree", "nav", array( 'name' => "NavigationTree", 'type' => "tree") ); |
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$this->register_gui_module("nav", "nav", "list", "WebExplorer::Module::NavigationList" ); |
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$this->register_gui_module("content", "data", "list", "WebExplorer::Module::DataList" ); |
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$this->register_gui_module("content", "data", "item", "WebExplorer::Module::DataItem" ); |
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|
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// 2003-04-05 - Chooser (a Nav.List) |
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$this->register_gui_module("chooser", "nav", "list", "WebExplorer::Module::Chooser"); |
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|
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// 2003-04-07 - RemoteAction |
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$this->register_gui_module("phase_startup", "call", "auto", "WebExplorer::Module::RemoteAction"); |
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|
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// 2003-04-09 - Data.Item: DeleteAction |
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$this->register_gui_module("phase_startup", "data", "item", "WebExplorer::Module::DataItem"); |
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//$this->register_gui_module("phase_startup", "data", "auto", "WebExplorer::Module::RemoteAction"); |
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//$this->register_gui_module("phase_startup", "data", "auto", "WebExplorer::Module::DataItem"); |
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|
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// 2003-04-12 - Data.Tree |
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$this->register_gui_module("content", "data", "tree", "WebExplorer::Module::DataTree" ); |
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|
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|
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} |
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|
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function register_source_module($label, $args) { |
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$this->_module['source'][$label] = $args; |
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} |
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|
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function register_gui_module($label, $ecom_type, $abstract_type, $module_name) { |
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$this->_module['gui'][$label][$ecom_type][$abstract_type] = $module_name; |
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} |
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|
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|
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function &get_ecom($label, $args = array()) { |
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|
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// the very first - strongly hardcoded - Hello World ecom |
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//return "Hello World"; |
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|
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// that's better ... |
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$this->_load_ecom($label, $args); |
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return $this->_ecom[$label]; |
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|
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} |
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|
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|
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function _load_ecoms() { |
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//trace("_load_ecoms: " . Dumper($this->_e_state[ecoms]) . "<br/>"); |
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foreach($this->_e_state[ecoms] as $label => $val) { |
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$this->_load_ecom($label); |
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} |
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} |
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|
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|
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|
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function _load_ecom($label, $args = array()) { |
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|
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// fetch values from state |
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$val = $this->_e_state['ecoms'][$label]; |
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debug::info("_load_ecom($label): " . Dumper($val) . "<br/>"); |
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|
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// NEW [2003-04-10]: ecom-RESET-condition |
248 |
if (!is_array($val) && $val == 'RESET') { |
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debug::info("Resetting component: $label"); |
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return; |
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} |
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|
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// find right ecom gui module |
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$ecom_type = $val['ecom_type']; |
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$abstract_type = $val['ecom_abstract_type']; |
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$gui_module = $this->_module['gui'][$label][$ecom_type][$abstract_type]; |
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//print Dumper($gui_module); |
258 |
if(!$gui_module) { |
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user_error("_load_ecom: No GUI module found for [label='$label', ecom type='$val[ecom_type]', abstract type='$val[ecom_abstract_type]']."); |
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return; |
261 |
} |
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|
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// get arguments needed for ecom gui module |
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$args = $this->_prepare_component_args($label, $args); |
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|
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// trace |
267 |
//print "raw-args: " . Dumper($args) . "<br/>"; |
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|
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// get ecom GUI module |
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if (!$ecom = php::mkComponent($gui_module, $args)) { |
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user_error("AbstractExplorer::_load_component - Error while instantiating ecom gui component. [label='$label', abstract type='$val[ecom_abstract_type]', ecom type='$val[ecom_type]']"); |
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return; |
273 |
} |
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//print Dumper($ecom); |
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|
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// NOW[2003-18-04] done at via args(prepare args!) to pass at constructor |
277 |
// (needed for non-real objects instanced at some child of AbstractGUIModule, eg. NavigationList) |
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/* |
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// add hidden vars, needed for explorer control |
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$hidden_items = $this->_get_hidden_items($label); |
281 |
if(is_array($hidden_items) ) { |
282 |
$ecom->add_hidden_items($hidden_items); |
283 |
print "Hidden: " . Dumper($hidden_items); |
284 |
} |
285 |
*/ |
286 |
|
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// load phphtmllib GUI object |
288 |
$gui_ecom = &$ecom->get(); |
289 |
|
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// attempt: |
291 |
//$gui_ecom->make_transparent(); |
292 |
|
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// store phphtmllib GUI object |
294 |
$this->_ecom[$label] = &$gui_ecom; |
295 |
} |
296 |
|
297 |
|
298 |
|
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function _get_hidden_items($label) { |
300 |
$ecom_state = $this->_e_state['ecoms'][$label]; |
301 |
if($ecom_state['ecom_type'] == "data") { |
302 |
if($ecom_state['ecom_abstract_type'] == "list") { |
303 |
$hidden_items = array( |
304 |
'ecl' => $label, |
305 |
'ecat' => "item", |
306 |
'ecmod' => "view", |
307 |
); |
308 |
} |
309 |
elseif($ecom_state['ecom_abstract_type'] == "item") { |
310 |
$hidden_items = array( |
311 |
'ecl' => $label, |
312 |
'ecat' => "item", |
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'ecmod' => "view", |
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); |
315 |
} |
316 |
} |
317 |
elseif($ecom_state['ecom_type'] == "nav") { |
318 |
// Switching abstract make no real sense here, |
319 |
// because hidden_items(link_vars) for Naviagtion-Ecoms |
320 |
// are more label specified!! |
321 |
// OLD: |
322 |
//if($ecom_state['ecom_abstract_type'] == "list") { |
323 |
// NEW: |
324 |
if($label == "nav") { |
325 |
$hidden_items = array( |
326 |
'ecl' => "content", |
327 |
'ecat' => "list", |
328 |
'ecmod' => "view", |
329 |
'ect' => "data", |
330 |
'ecdlk' => "rpc", |
331 |
); |
332 |
|
333 |
} |
334 |
elseif($label == "chooser") { |
335 |
$hidden_items = array( |
336 |
'ecl' => "phase_startup", |
337 |
'ecdlk' => "rpc", |
338 |
); |
339 |
|
340 |
} |
341 |
} |
342 |
// add page idents |
343 |
foreach($this->_e_state[idents] as $label => $value) { |
344 |
$hidden_items[$label] = $value; |
345 |
} |
346 |
return $hidden_items; |
347 |
} |
348 |
|
349 |
|
350 |
|
351 |
function _prepare_component_args($label, $args = array()) { |
352 |
$val = $this->_e_state['ecoms'][$label]; |
353 |
|
354 |
// pre-flight checks |
355 |
if (!$val['ecom_data_locator_key']) { |
356 |
user_error("_prepare_component_args: Key 'ecom_data_locator_key' was empty, should be one of 'rpc'."); |
357 |
return; |
358 |
} |
359 |
|
360 |
if (!$val['ecom_type']) { |
361 |
user_error("WebExplorer::AbstractExplorer: Key 'ecom_type' was empty, should be one of 'data|nav|call'."); |
362 |
} |
363 |
|
364 |
if (!$val['ecom_abstract_type']) { |
365 |
user_error("_prepare_component_args: Key 'ecom_abstract_type' was empty, should be one of 'item|list|tree|auto'."); |
366 |
return; |
367 |
} |
368 |
|
369 |
// trace |
370 |
//print "YAI1<br/>"; |
371 |
//print Dumper($val); |
372 |
|
373 |
$this->set_data_locator($val['ecom_data_locator_key']); |
374 |
|
375 |
// detect and execute 'selectSource' action |
376 |
// FIXME: this is a HACK!!! move to a module 'BackendAction' or s.th.l.th. |
377 |
//print Dumper($this->_e_state['sources']); |
378 |
if ($source = $this->_e_state['main']['ecom_data_source_key']) { |
379 |
//print "selectSource: $source<br/>"; |
380 |
//global $app; |
381 |
//print Dumper($backend); |
382 |
//$app->backend->do(); |
383 |
} |
384 |
|
385 |
// switch component type |
386 |
if($val['ecom_type'] == "data") { |
387 |
// switch abstract type |
388 |
if($val['ecom_abstract_type'] == "list") { |
389 |
if($val['ecom_data_locator_key'] == "rpc") { |
390 |
//$data_locator_meta = array( transport => 'rpc', metatype => 'data', vartype => 'objects', nodename => $val['ecom_data_ident']); |
391 |
$data_locator_meta = array( transport => 'rpc', metatype => 'data', abstract_type => 'list', nodename => $val['ecom_data_ident']); |
392 |
} else { |
393 |
user_error("AbstractExplorer::_prepare_component_args - Cannot build query for data_locator_key $val[ecom_data_locator_key] !"); |
394 |
} |
395 |
$args = array( |
396 |
'caption' => $val['ecom_data_ident'], |
397 |
'orderby' => "Guid", |
398 |
'options' => array( |
399 |
'data_locator_meta' => $data_locator_meta, |
400 |
'decode' => 1, |
401 |
'decode_args' => array( |
402 |
'seperator' => "_", |
403 |
//'form' => 1, |
404 |
), |
405 |
'actionbar' => array( |
406 |
'name' => "ecdfa", |
407 |
'list' => array( |
408 |
"View" => 'view', |
409 |
"Edit" => 'edit', |
410 |
"Delete" => 'delete', |
411 |
"Add new" => 'add', |
412 |
), |
413 |
), |
414 |
), |
415 |
); |
416 |
|
417 |
// switch abstract type |
418 |
} elseif ($val['ecom_abstract_type'] == "item") { |
419 |
if($val['ecom_data_locator_key'] == "rpc") { |
420 |
//$data_locator_meta = array( transport => 'rpc', metatype => 'data', vartype => 'objects', nodename => $val['ecom_data_ident']); |
421 |
|
422 |
// NEW: 'filter' - 2003-04-14 - required for filtering xml-nodes |
423 |
// this propagates the full identifier to reach through all parent nodes |
424 |
$filter = array( |
425 |
dotted => $val['ecom_data_filter'], |
426 |
ident => $val['ecom_data_ident'], |
427 |
//xpq => '*/*[@name="cli"]', |
428 |
//xpq => '*/*', |
429 |
); |
430 |
// lift filter from dotted format to xpq format |
431 |
$lift = mkObject('Data::Lift', $filter, array( metatype => 'filter' ) ); |
432 |
$filter = $lift->to('XPath'); |
433 |
|
434 |
$data_locator_meta = array( |
435 |
transport => 'rpc', metatype => 'data', abstract_type => 'item', |
436 |
ident => $val['ecom_data_ident'], nodename => $val['ecom_data_meta'], filter => $filter, |
437 |
); |
438 |
} else { |
439 |
user_error("AbstractExplorer::_prepare_component_args - Cannot build query for data_locator_key $val[ecom_data_locator_key] !"); |
440 |
} |
441 |
|
442 |
// defaults |
443 |
if (!$val['ecom_mode']) { $val['ecom_mode'] = "view"; } |
444 |
//$val['ecom_mode'] = "view"; |
445 |
|
446 |
// debugging |
447 |
print "Mode: $val[ecom_mode]<br>"; |
448 |
|
449 |
// prepare some arguments... |
450 |
$args = array( |
451 |
'caption' => $val['ecom_data_meta'], |
452 |
'mode' => $val['ecom_mode'], |
453 |
'options' => array( |
454 |
'data_locator_meta' => $data_locator_meta, |
455 |
'decode' => 1, |
456 |
'decode_args' => array( |
457 |
'seperator' => "_", |
458 |
), |
459 |
), |
460 |
); |
461 |
if ($val['ecom_mode'] == "edit") { $args['adapter'] = 'FormProcessor'; } |
462 |
|
463 |
// FIXME: (see WebExplorer::Module::AbstractGUIModule) |
464 |
//if ($val['ecom_mode'] == "delete") { $args['adapter'] = 'GenericNegotiation'; } |
465 |
if ($val['ecom_mode'] == "delete") { $args['adapter'] = 'NonValidatingFormProcessor'; } |
466 |
|
467 |
// switch abstract type |
468 |
} elseif ($val['ecom_abstract_type'] == "tree") { |
469 |
//print "TREE!<br/>"; |
470 |
|
471 |
// FIXME: shouldn't this (dispatching by transport-key) be done very *outside* of this scope? |
472 |
// or: do it outside per default, let a possibility to modify it inside the lower levels of the dispatcher (here) |
473 |
if ($val['ecom_data_locator_key'] == "rpc") { |
474 |
//$data_locator_meta = array( transport => 'rpc', metatype => 'data', vartype => 'objects', nodename => $val['ecom_data_ident']); |
475 |
$args[options][data_locator_meta] = array( transport => 'rpc', metatype => 'data', abstract_type => 'tree', ident => $val['ecom_data_ident'], nodename => $val['ecom_data_meta']); |
476 |
} |
477 |
|
478 |
} else { |
479 |
user_error("_prepare_component_args: Could not dispatch ecom_abstract_type='$val[ecom_abstract_type]'."); |
480 |
|
481 |
} |
482 |
|
483 |
// switch component type |
484 |
} elseif ($val['ecom_type'] == "nav") { |
485 |
|
486 |
// switch abstract type |
487 |
// list |
488 |
if ($val['ecom_abstract_type'] == "list") { |
489 |
$args = array(); |
490 |
if($val['ecom_data_locator_key'] == "rpc") { |
491 |
|
492 |
// switch component label |
493 |
// TODO: should we really dispatch by label inside here? |
494 |
|
495 |
if ($label == "nav") { |
496 |
$data_locator_meta = array( transport => 'rpc', metatype => 'schema', filter => 'nodes.root:concrete' ); |
497 |
$args['caption'] = "Objekt Typen"; |
498 |
} |
499 |
// NEW [2003-04-05]: DataSource.Chooser |
500 |
elseif ($label == "chooser") { |
501 |
$data_locator_meta = array( transport => 'rpc', metatype => 'schema', filter => 'sources.all' ); |
502 |
$args['caption'] = "Datenquellen"; |
503 |
} |
504 |
// NEW [2003-04-18]: croak if label empty |
505 |
else { |
506 |
user_error("_prepare_component_args: Dispatching for nav.list.rpc failed. \$label was empty."); |
507 |
} |
508 |
$args['options']['data_locator_meta'] = $data_locator_meta; |
509 |
|
510 |
} else { |
511 |
user_error("AbstractExplorer::_prepare_component_args - Cannot build schema query for data_locator_key $val[ecom_data_locator_key] !"); |
512 |
} |
513 |
|
514 |
// tree |
515 |
} elseif ($val['ecom_abstract_type'] == "tree") { |
516 |
$args = array(); |
517 |
print "TREE!<br/>"; |
518 |
|
519 |
// NEW [2003-04-18]: transparent nav - argument pass-through mode |
520 |
} elseif ($val['ecom_abstract_type'] == "transparent") { |
521 |
|
522 |
// You are responsible for all arguments passed through. |
523 |
// Where are these arguments from? |
524 |
// They are propagated transparently to this place from a new optional |
525 |
// parameter ($args) introduced for the methods 'get_com', 'load_com' |
526 |
// and '_prepare_component_args' (this one). |
527 |
// This means full control over ecoms from outside. |
528 |
|
529 |
// TODO: maybe add some additional pre-flight checks here!? |
530 |
|
531 |
// croak |
532 |
} else { |
533 |
user_error("_prepare_component_args: Could not dispatch ecom_abstract_type='$val[ecom_abstract_type]'."); |
534 |
} |
535 |
|
536 |
// NEW [2003-04-08]: RemoteAction (e.g.: result of a selection inside a Chooser) |
537 |
// switch component type |
538 |
} elseif ($val['ecom_type'] == "call") { |
539 |
|
540 |
// responses of RemoteActions are not predictable! |
541 |
if ($val['ecom_abstract_type'] == "auto") { |
542 |
|
543 |
// Dispatching by $label is not done here. RemoteAction-ecoms can appear anywhere! |
544 |
|
545 |
// Just define the RemoteQuery using a declaration to use DataSource::Generic most transparently. |
546 |
// Really - just a remote call is issued, no data-/schema-structures or similar are expected. |
547 |
|
548 |
// The RemoteMethod 'method' is called directly with arguments in 'args'! |
549 |
// As response (important for widget assignement!) you may expect an arbitrary payload. |
550 |
$args['options']['data_locator_meta'] = array( |
551 |
transport => 'rpc', |
552 |
metatype => 'method', |
553 |
method => $val['ecom_call_method'], |
554 |
args => $val['ecom_call_args'] |
555 |
); |
556 |
|
557 |
} else { |
558 |
// FIXME: implement automatic re-dispatching to available ecoms here! |
559 |
user_error("WebExplorer::AbstractExplorer: results of RemoteActions can only be handled automatically. Who knows what comes back?"); |
560 |
} |
561 |
|
562 |
} |
563 |
|
564 |
// add hidden items to args |
565 |
$args['hidden_elements'] = $this->_get_hidden_items($label); |
566 |
|
567 |
return $args; |
568 |
} |
569 |
|
570 |
|
571 |
|
572 |
function get_msg($label) { |
573 |
if($label == "welcome") { |
574 |
$msg = "Welcome to the Explorer."; |
575 |
} |
576 |
return $msg; |
577 |
} |
578 |
|
579 |
|
580 |
|
581 |
function render() { |
582 |
user_error("AbstractExplorer::render - please implement me...."); |
583 |
} |
584 |
|
585 |
} |
586 |
|
587 |
|
588 |
?> |