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<? |
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|
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class AbstractProcessObject { |
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|
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var $name; |
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var $uniqueId; |
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var $results; |
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|
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function AbstractProcessObject($name = '') { |
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$this->uniqueId = getUniqueId(); |
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if ($name) { |
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$this->name = $name; |
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} else { |
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$this->name = 'process_' . $this->uniqueId; |
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} |
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} |
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|
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function &callHandler($handler_name, $list_results_requested = array(), $args_optional = array()) { |
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$handler_name = '__' . $handler_name; |
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if (method_exists($this, $handler_name)) { |
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// filter all results through list of all result-item-varnames in "$list_results_requested" and return them |
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$results = $this->$handler_name($args_optional); |
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return $this->returnResultsByRequestedResults($results, $list_results_requested); |
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} else { |
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print "<font color=\"red\">{$this->name}->callHandler($handler_name, ..., ...) failed, the handler was not found.</font><br>"; |
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return createHash($list_results_requested); |
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} |
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} |
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|
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function &returnResultsByRequestedResults(&$results, $list_results_requested) { |
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$results_filtered = array(); |
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reset($list_results_requested); |
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while($resultitem_name = current($list_results_requested)) { |
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if (isset($results[$resultitem_name])) { |
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$results_filtered[$resultitem_name] =& $results[$resultitem_name]; |
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} else { |
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$results_filtered[$resultitem_name] = ''; |
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} |
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next($list_results_requested); |
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} |
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return $results_filtered; |
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} |
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|
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} |
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|
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class AbstractObjectHandler extends AbstractProcessObject { |
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// TODO: |
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// implement functionality that no library-code for standard-object-operations is necessary any more |
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|
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// -------------------------------------------------- |
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// called if a list of objects is requested |
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function &__list($args = array()) { |
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return $this->getAllResults_ForObjectList($args); |
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} |
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|
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// -------------------------------------------------- |
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// called if a single object is requested for viewing |
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function &__show($args = array()) { |
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return $this->getAllResults_ForSingleObject($args); |
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} |
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|
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// -------------------------------------------------- |
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// called if a single object is requested for editing |
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function &__edit($args = array()) { |
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// check if the "save"-flag on the data-transfer of object-data is set |
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$this->onBeforeEdit(&$args); |
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$this->_checkForSave($args); |
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$this->onAfterEdit(&$args); |
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return $this->getAllResults_ForSingleObject($args); |
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} |
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|
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// -------------------------------------------------- |
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// called if a single object should be newly created |
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function &__create($args = array()) { |
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$args['objectkey'] = '<new>'; |
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// check if the "save"-flag on the data-transfer of object-data is set |
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$this->onBeforeCreate(&$args); |
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$this->_checkForSave(&$args); |
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$this->onAfterCreate(&$args); |
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return $this->getAllResults_ForSingleObject(&$args); |
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} |
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|
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// -------------------------------------------------- |
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// called if a single object gets a delete-request |
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function &__delete($args = array()) { |
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$results =& $this->getAllResults_ForSingleObject($args); |
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$this->onBeforeDelete($args); |
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$results['ref_object']->delete(); |
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$this->onAfterDelete($args); |
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} |
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|
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// -------------------------------------------------- |
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// checks if an object should be saved immediately |
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function _checkForSave($args = array()) { |
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|
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global $esave; |
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if ($esave) { |
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$results =& $this->getAllResults_ForSingleObject($args); |
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$this->onBeforeSave($args); |
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$results['ref_object']->save(); |
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$this->onAfterSave($args); |
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return 1; |
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} else { |
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return 0; |
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} |
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|
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} |
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|
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function onBeforeSave($args = array()) { } |
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function onAfterSave($args = array()) { } |
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function onBeforeDelete($args = array()) { } |
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function onAfterDelete($args = array()) { } |
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function onBeforeCreate($args = array()) { } |
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function onAfterCreate($args = array()) { } |
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function onBeforeEdit($args = array()) { } |
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function onAfterEdit($args = array()) { } |
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|
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} |
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|
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?> |