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jonen | 
1.1 | 
<? | 
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/* | 
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##    ----------------------------------------------------------------------------- | 
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jonen | 
1.7 | 
##    $Id: EditDataItem.php,v 1.6 2003/04/11 00:48:03 joko Exp $ | 
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jonen | 
1.1 | 
##    ----------------------------------------------------------------------------- | 
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1.2 | 
##    $Log: EditDataItem.php,v $ | 
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jonen | 
1.7 | 
##    Revision 1.6  2003/04/11 00:48:03  joko | 
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##    minor fix: calling parent constructor explicitely by name now, transparency seems not be automagically compatible with inheritance in php ,-)    (non-orthogonal) | 
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## | 
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joko | 
1.6 | 
##    Revision 1.5  2003/04/09 09:59:30  joko | 
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##    fixes regarding modification of decode-function-behavior | 
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## | 
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joko | 
1.5 | 
##    Revision 1.4  2003/04/06 01:41:33  jonen | 
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##    - removed duplicated decode functions | 
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## | 
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jonen | 
1.4 | 
##    Revision 1.3  2003/04/04 23:58:02  jonen | 
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##    + saving of items sould now work with new 'GenericSource' structure | 
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## | 
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jonen | 
1.3 | 
##    Revision 1.2  2003/04/04 00:43:22  jonen | 
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##    + complete rework | 
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## | 
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jonen | 
1.2 | 
##    Revision 1.1  2003/03/27 01:18:06  jonen | 
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##    + inital commit (was orginal 'DataItem.php') | 
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## | 
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jonen | 
1.1 | 
##    Revision 1.4  2003/02/27 17:33:14  cvsmax | 
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##    + enabled saving of data objects at confirm action | 
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##    + fixed bug with POST/GET vars at form confirm | 
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##     o ToDo: fix all bugs related to un-wanted hidden form elements | 
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##                 caused by mixed/duplicated POST/GET vars! | 
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## | 
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##    Revision 1.3  2003/02/26 21:37:53  cvsmax | 
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##    + reworked to enable linking if item value is an array or special expression | 
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## | 
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##    Revision 1.2  2003/02/25 03:46:59  cvsmax | 
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##    + refactored complete to work now with phphtmllib FormProcessor/Content | 
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##    o ToDo: field validation seems not to work... | 
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## | 
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##    Revision 1.1  2003/02/22 17:27:31  cvsmax | 
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##    + renamed from DataEdit.php | 
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##    + added simple support for class 'FormElementsInterface' which is an interface | 
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##       to class 'FormBuilder' by binarycloud | 
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##    o ToDo: refactor code to use new (added 21.02.03!) 'FormProcess' classes by phphtmllib | 
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##    + class 'DataItem' now extends class 'InfoTable' | 
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## | 
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##    Revision 1.1  2003/02/21 03:19:35  cvsmax | 
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##    + first init | 
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## | 
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## | 
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##    ----------------------------------------------------------------------------- | 
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*/ | 
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 | 
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class EditDataItem extends StandardFormContent { | 
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 | 
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jonen | 
1.2 | 
 /** | 
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  * holds reference to source object. | 
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  */ | 
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 var $_datasource = NULL; | 
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 | 
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 /** | 
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  * container for arguments needed for e.g. setting the source object. | 
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  */ | 
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1.1 | 
 var $_options = array(); | 
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1.2 | 
 | 
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jonen | 
1.1 | 
 var $_confirm_msg = "Die Daten wurden erfolgreich gespeichert!"; | 
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 | 
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jonen | 
1.2 | 
  function EditDataItem($title, $options = array()) { | 
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1.1 | 
    $this->_options = $options; | 
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jonen | 
1.2 | 
    // prefetch data | 
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    $this->data_prefetch(); | 
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jonen | 
1.1 | 
 | 
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1.6 | 
    // doesn't work if EditDataItem gets inherited | 
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    //$parent = get_parent_class($this); | 
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    //$this->$parent($title, $PHP_SELF, 600); | 
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     | 
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    $this->StandardFormContent($title, $PHP_SELF, 600); | 
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 | 
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jonen | 
1.1 | 
  } | 
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 | 
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  function set_data_source(&$source) { | 
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1.2 | 
    $this->_datasource = &$source; | 
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1.1 | 
  } | 
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 | 
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  function get_data_source() { | 
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      $initial_locator = php::mkComponent( 'DataSource::Locator', array( adapter_type => 'phpHtmlLib' ) ); | 
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      $proxy = php::mkComponent('DataSource::Generic', $initial_locator, $this->_options['data_locator_meta']); | 
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      $source = $proxy->get_adapter(); | 
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      $this->set_data_source( &$source );     | 
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  } | 
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 | 
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jonen | 
1.2 | 
  function _check_datasource($function_name) { | 
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      if ( !is_object($this->_datasource) ) { | 
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            user_error("DataList::".$function_name."() - DataListSource object is not set"); | 
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            exit; | 
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      } | 
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  } | 
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 | 
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  function data_prefetch() { | 
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    $this->get_data_source(); | 
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    $this->_check_datasource("data_prefetch"); | 
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    $this->_datasource->do_query(); | 
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  } | 
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jonen | 
1.1 | 
 | 
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    /** | 
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     * This method gets called EVERY time the object is | 
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     * created.  It is used to build all of the | 
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     * FormElement objects used in this Form. | 
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     * | 
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     */ | 
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    function form_init_elements() { | 
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        //we want an confirmation page for this form. | 
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        $this->set_confirm(); | 
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 | 
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1.4 | 
         $utils = php::mkComponent('WebExplorer::utils'); | 
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         $hidden = $this->get_hidden_elements(); | 
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         $options = $this->_options['decode_args']; | 
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 | 
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1.2 | 
        foreach($this->_datasource->_result as $key => $value) { | 
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1.1 | 
          if($value) { | 
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            $validation = TRUE; | 
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          } else { | 
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            $validation = FALSE; | 
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          } | 
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jonen | 
1.4 | 
          if(!$utils->decode_item_expr($value, $hidden, $options) && !$utils->decode_item_array($value, $hidden, $options)) { | 
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jonen | 
1.1 | 
            $this->add_element( new FEText($key, $validation, "350px") ); | 
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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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     * This method is called only the first time the form | 
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     * page is hit.  This enables u to query a DB and | 
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     * pre populate the FormElement objects with data. | 
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     * | 
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     */ | 
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    function form_init_data() { | 
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        //Pull some valies from the DB | 
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        //and set the initial values of some of the | 
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        //form fields. | 
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 | 
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jonen | 
1.4 | 
         $utils = php::mkComponent('WebExplorer::utils'); | 
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         $hidden = $this->get_hidden_elements(); | 
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         $options = $this->_options['decode_args']; | 
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 | 
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jonen | 
1.2 | 
      foreach($this->_datasource->_result as $key => $value) { | 
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jonen | 
1.4 | 
        if(!$utils->decode_item_expr($value, $hidden, $options) && !$utils->decode_item_array($value, $hidden, $options)) { | 
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1.1 | 
          $this->set_element_value($key, $value); | 
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        } | 
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      } | 
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 | 
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jonen | 
1.2 | 
      /* OLD !! | 
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jonen | 
1.1 | 
     $post_vars = array_join_merge($_GET, $_POST); | 
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      foreach ($post_vars as $var => $val) { | 
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        $this->set_hidden_element_value($var, $val); | 
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      } | 
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1.2 | 
      */ | 
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jonen | 
1.1 | 
 | 
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    } | 
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 | 
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    function form_content() { | 
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      $this->add_form_block($this->_caption, $this->_dataitem() ); | 
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    } | 
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    function &_dataitem() { | 
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      $table = &html_table($this->_width,0,2); | 
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         | 
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      foreach($this->_datasource->_result as $key => $value) { | 
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        // if item is match by expression we will replace it with an link object   | 
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1.2 | 
        if($this->_options['decode']) { | 
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1.4 | 
         $utils = php::mkComponent('WebExplorer::utils'); | 
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         $hidden = $this->get_hidden_elements(); | 
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         $options = $this->_options['decode_args']; | 
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1.7 | 
         $options[label] = $key; | 
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         $options[parent_guid] = $this->_options['parent']['guid']; | 
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         $options[parent_class] = $this->_options['parent']['class']; | 
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1.4 | 
         if($utils->decode_item_expr($value, $hidden, $options)) {   | 
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1.5 | 
          $table->add_row($key, $value);   | 
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         }   | 
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         // if item is an Array we will replace it with an selection form object   | 
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1.4 | 
         elseif($utils->decode_item_array($value, $hidden, $options) ) { | 
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1.5 | 
            $table->add_row($key, $value); | 
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1.2 | 
         } else { | 
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           $table->add_row($this->element_label($key), $this->element_form($key)); | 
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         } | 
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        } else { | 
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1.1 | 
          $table->add_row($this->element_label($key), $this->element_form($key)); | 
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        } | 
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      } | 
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      return $table; | 
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    } | 
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    /** | 
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     * This method gets called after the FormElement data has | 
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     * passed the validation.  This enables you to validate the | 
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     * data against some backend mechanism, say a DB. | 
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     * | 
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     */ | 
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    function form_backend_validation() { | 
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        //$this->add_error("Ass", "some bogus error happened"); | 
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        //return FALSE; | 
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      //foreach($this->raw_data as $key => $value) { | 
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      //  if($this->_elements[$key]->get_value()) { | 
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      //    $this->add_error($key, "empty field!"); | 
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      //    return FALSE; | 
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      //  } else { | 
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      //    return TRUE; | 
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      //  } | 
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     // } | 
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    $this->set_action("Confirm"); | 
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     return TRUE; | 
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    } | 
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 | 
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        /** | 
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         * This function is used to show an intermediary | 
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         * confirmation page.  Use this function to | 
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         * show a confirmation of the data that was | 
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         * submitted by the user. | 
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         * This will get called after all of the | 
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         * form data was successfully validated. | 
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         * All of the form data will automatically | 
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         * be created as hidden form fields. All you | 
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         * have to do is show the data, and a confirm | 
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         * submit button. | 
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         * | 
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         * @return mixed - either raw html, or some | 
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         *                 container HTMLTag object. | 
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         */ | 
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        function form_confirm( ) { | 
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        $title = "Form Confirmation / " . $this->_options['caption']; | 
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        $title .="( ".$this->_required_field_marker." ".$this->_required_field_text." )"; | 
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        $table = new InfoTable($title, $this->_width); | 
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        $this->build_confirm_table( $table ); | 
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        //now add the confirmation button | 
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        $td = new TDtag(array("colspan" => 2, | 
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                              "class" => "contentnovertical", | 
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                              "align" => "center"), | 
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jonen | 
1.3 | 
                        form_submit('ecdfe', "Confirm"), | 
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1.1 | 
                        _HTML_SPACE, | 
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                        $this->add_action("Edit")); | 
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 | 
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        if ($this->_cancel_action) { | 
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            $td->add(_HTML_SPACE, $this->add_cancel()); | 
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        } | 
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        $table->add_row( $td ); | 
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        return $table; | 
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        } | 
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 | 
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    /** | 
| 260 | 
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     * This method is called ONLY after ALL validation has | 
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     * passed.  This is the method that allows you to | 
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     * do something with the data, say insert/update records | 
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     * in the DB. | 
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     */ | 
| 265 | 
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    function confirm_action() { | 
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 | 
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jonen | 
1.4 | 
         $utils = php::mkComponent('WebExplorer::utils'); | 
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         $hidden = $this->get_hidden_elements(); | 
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         $options = $this->_options['decode_args']; | 
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 | 
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jonen | 
1.2 | 
        foreach($this->_datasource->_result as $label => $value_old) { | 
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jonen | 
1.4 | 
          if(!$utils->decode_item_expr($value_old, $hidden, $options) && !$utils->decode_item_array($value_old, $hidden, $options)) { | 
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1.1 | 
            $value_new = $this->_elements[$label]->get_value(); | 
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1.2 | 
            $data[$label] = $value_new; | 
| 275 | 
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          } | 
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jonen | 
1.1 | 
        } | 
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jonen | 
1.3 | 
        // write new data to datasource | 
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jonen | 
1.2 | 
        $this->_options['data_locator_meta']['action'] = "write"; | 
| 279 | 
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        $this->_options['data_locator_meta']['data'] = $data; | 
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jonen | 
1.3 | 
        // TODO: 'data_prefetch()' will never return ANYTHING! | 
| 281 | 
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        //           Implement some error-handling there or somewhere. | 
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jonen | 
1.2 | 
        $error = $this->data_prefetch(); | 
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         | 
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        //$error = $this->_datasource->set($item); | 
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jonen | 
1.1 | 
        if(!$error) { | 
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1.3 | 
          // fetch fresh data | 
| 287 | 
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          $this->_options['data_locator_meta']['action'] = "read"; | 
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          // unset previous initialed 'data' var | 
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          $this->_options['data_locator_meta']['data'] = NULL; | 
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          $this->data_prefetch(); | 
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         | 
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1.1 | 
          $this->set_action_message($this->_confirm_msg); | 
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          return TRUE; | 
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        } else { | 
| 295 | 
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          return FALSE; | 
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        } | 
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    } | 
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 | 
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jonen | 
1.2 | 
    /** | 
| 300 | 
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     * This function is used to build the standard | 
| 301 | 
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     * buttons for a form. | 
| 302 | 
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     * | 
| 303 | 
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     * @return ButtonPanel | 
| 304 | 
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     */ | 
| 305 | 
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    function form_content_buttons() { | 
| 306 | 
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        $div = new DIVtag( array("style" => "background-color: #eeeeee;". | 
| 307 | 
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                                            "padding-top:5px;padding-bottom:5px", | 
| 308 | 
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                                 "align"=>"center", "nowrap"), | 
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jonen | 
1.3 | 
                           form_submit('ecdfe', "Save"), | 
| 310 | 
jonen | 
1.2 | 
                           _HTML_SPACE, | 
| 311 | 
jonen | 
1.3 | 
                           //$this->add_cancel() | 
| 312 | 
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                           form_submit('ecdfc', "Cancel") | 
| 313 | 
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                           ); | 
| 314 | 
jonen | 
1.2 | 
        return $div; | 
| 315 | 
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    } | 
| 316 | 
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 | 
| 317 | 
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 | 
| 318 | 
jonen | 
1.4 | 
  function get_hidden_elements() { | 
| 319 | 
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    foreach($this->_hidden_elements as $label => $object) { | 
| 320 | 
  | 
  | 
      $value = $this->_hidden_elements[$label]->get_value(); | 
| 321 | 
  | 
  | 
      $tmp_array[$label] = $value; | 
| 322 | 
jonen | 
1.1 | 
    } | 
| 323 | 
jonen | 
1.4 | 
    return $tmp_array; | 
| 324 | 
jonen | 
1.1 | 
  } | 
| 325 | 
  | 
  | 
 | 
| 326 | 
  | 
  | 
} | 
| 327 | 
  | 
  | 
 | 
| 328 | 
  | 
  | 
 | 
| 329 | 
  | 
  | 
?> |