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<? |
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/* |
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## ----------------------------------------------------------------------------- |
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## $Id: EditDataItem.php,v 1.3 2003/04/04 23:58:02 jonen Exp $ |
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## ----------------------------------------------------------------------------- |
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## $Log: EditDataItem.php,v $ |
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## 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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## Revision 1.2 2003/04/04 00:43:22 jonen |
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## + complete rework |
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## |
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## 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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## 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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/** |
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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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var $_options = array(); |
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|
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var $_confirm_msg = "Die Daten wurden erfolgreich gespeichert!"; |
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|
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function EditDataItem($title, $options = array()) { |
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$this->_options = $options; |
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// prefetch data |
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$this->data_prefetch(); |
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|
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$parent = get_parent_class($this); |
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$this->$parent($title, $PHP_SELF, 600); |
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} |
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|
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function set_data_source(&$source) { |
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$this->_datasource = &$source; |
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} |
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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( &$source ); |
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} |
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|
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function _check_datasource($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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|
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$this->_datasource->do_query(); |
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} |
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|
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/** |
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* This method gets called EVERY time the object is |
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* created. It is used to build all of the |
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* FormElement objects used in this Form. |
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* |
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*/ |
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function form_init_elements() { |
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//we want an confirmation page for this form. |
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$this->set_confirm(); |
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|
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$utils = php::mkComponent('WebExplorer::utils'); |
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$hidden = $this->get_hidden_elements(); |
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$options = $this->_options['decode_args']; |
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|
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foreach($this->_datasource->_result as $key => $value) { |
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if($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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if(!$utils->decode_item_expr($value, $hidden, $options) && !$utils->decode_item_array($value, $hidden, $options)) { |
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$this->add_element( new FEText($key, $validation, "350px") ); |
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} |
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} |
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|
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} |
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|
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/** |
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* This method is called only the first time the form |
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* page is hit. This enables u to query a DB and |
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* pre populate the FormElement objects with data. |
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* |
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*/ |
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function form_init_data() { |
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//Pull some valies from the DB |
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//and set the initial values of some of the |
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//form fields. |
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|
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$utils = php::mkComponent('WebExplorer::utils'); |
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$hidden = $this->get_hidden_elements(); |
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$options = $this->_options['decode_args']; |
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|
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foreach($this->_datasource->_result as $key => $value) { |
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if(!$utils->decode_item_expr($value, $hidden, $options) && !$utils->decode_item_array($value, $hidden, $options)) { |
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$this->set_element_value($key, $value); |
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} |
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} |
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|
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/* OLD !! |
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$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, $val); |
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} |
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*/ |
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|
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} |
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|
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|
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function form_content() { |
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$this->add_form_block($this->_caption, $this->_dataitem() ); |
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} |
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|
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function &_dataitem() { |
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$table = &html_table($this->_width,0,2); |
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|
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foreach($this->_datasource->_result as $key => $value) { |
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// if item is match by expression we will replace it with an link object |
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if($this->_options['decode']) { |
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$utils = php::mkComponent('WebExplorer::utils'); |
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$hidden = $this->get_hidden_elements(); |
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$options = $this->_options['decode_args']; |
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if($utils->decode_item_expr($value, $hidden, $options)) { |
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$table->add_row($key, $utils->decode_item_expr($value, $hidden, $options)); |
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} |
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// if item is an Array we will replace it with an selection form object |
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elseif($utils->decode_item_array($value, $hidden, $options) ) { |
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$table->add_row($key, $utils->decode_item_array($value, $hidden, $options)); |
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} else { |
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$table->add_row($this->element_label($key), $this->element_form($key)); |
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} |
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} else { |
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$table->add_row($this->element_label($key), $this->element_form($key)); |
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} |
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} |
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|
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return $table; |
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} |
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|
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/** |
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* This method gets called after the FormElement data has |
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* passed the validation. This enables you to validate the |
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* data against some backend mechanism, say a DB. |
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* |
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*/ |
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function form_backend_validation() { |
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//$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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$this->set_action("Confirm"); |
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return TRUE; |
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} |
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|
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|
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/** |
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* This function is used to show an intermediary |
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* confirmation page. Use this function to |
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* show a confirmation of the data that was |
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* submitted by the user. |
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* This will get called after all of the |
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* form data was successfully validated. |
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* All of the form data will automatically |
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* be created as hidden form fields. All you |
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* have to do is show the data, and a confirm |
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* submit button. |
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* |
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* @return mixed - either raw html, or some |
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* container HTMLTag object. |
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*/ |
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function form_confirm( ) { |
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$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, $this->_width); |
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|
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$this->build_confirm_table( $table ); |
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|
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//now add the confirmation button |
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$td = new TDtag(array("colspan" => 2, |
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"class" => "contentnovertical", |
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"align" => "center"), |
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form_submit('ecdfe', "Confirm"), |
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_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, $this->add_cancel()); |
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} |
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|
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$table->add_row( $td ); |
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|
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return $table; |
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} |
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|
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|
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|
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|
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/** |
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* This method is called ONLY after ALL validation has |
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* passed. This is the method that allows you to |
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* do something with the data, say insert/update records |
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* in the DB. |
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*/ |
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function confirm_action() { |
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|
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$utils = php::mkComponent('WebExplorer::utils'); |
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$hidden = $this->get_hidden_elements(); |
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$options = $this->_options['decode_args']; |
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|
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foreach($this->_datasource->_result as $label => $value_old) { |
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if(!$utils->decode_item_expr($value_old, $hidden, $options) && !$utils->decode_item_array($value_old, $hidden, $options)) { |
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$value_new = $this->_elements[$label]->get_value(); |
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$data[$label] = $value_new; |
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} |
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} |
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// write new data to datasource |
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$this->_options['data_locator_meta']['action'] = "write"; |
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$this->_options['data_locator_meta']['data'] = $data; |
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// TODO: 'data_prefetch()' will never return ANYTHING! |
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// Implement some error-handling there or somewhere. |
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$error = $this->data_prefetch(); |
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|
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//$error = $this->_datasource->set($item); |
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if(!$error) { |
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// fetch fresh data |
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$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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$this->set_action_message($this->_confirm_msg); |
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return TRUE; |
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} else { |
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return FALSE; |
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} |
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} |
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|
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/** |
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* This function is used to build the standard |
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* buttons for a form. |
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* |
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* @return ButtonPanel |
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*/ |
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function form_content_buttons() { |
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$div = new DIVtag( array("style" => "background-color: #eeeeee;". |
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"padding-top:5px;padding-bottom:5px", |
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"align"=>"center", "nowrap"), |
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form_submit('ecdfe', "Save"), |
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_HTML_SPACE, |
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//$this->add_cancel() |
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form_submit('ecdfc', "Cancel") |
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); |
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return $div; |
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} |
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|
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|
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function get_hidden_elements() { |
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foreach($this->_hidden_elements as $label => $object) { |
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$value = $this->_hidden_elements[$label]->get_value(); |
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$tmp_array[$label] = $value; |
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} |
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return $tmp_array; |
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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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