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cvsjoko |
1.1 |
<? |
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// ============================================================== |
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class DSAbstractObject { |
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// the type of this object |
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var $type; |
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// the name of the object-key |
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var $objectkey_name; |
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// the (virtual) attributes |
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var $attributes; |
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// references to other/new objects |
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// a reference to a "DSSession"-object which will be passed in "from outside" by the "DSEngine" |
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var $ref_session; |
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// a "DataQuery"-object instantiated in the constructor later |
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var $ref_dataquery; |
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// a reference to a "PDLModelObject"-object, which will be initialized in the constructor from "$ref_session" |
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var $ref_pdlModelObject; |
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// a reference to a list (array) of "PDLModelObject"-attributes ("PDLModelObjectAttribute"s) |
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var $ref_pdlModelObjectAttributes; |
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// miscellanious other variables |
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// some state-information |
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var $bool_unbound; // no binding to database yet |
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var $bool_created; // created for being a new object |
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var $pdlEventName; |
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var $pdlEventName_CurrentObjectOperation; |
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var $dsType; |
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// metainfo about this object |
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//var $metainfo; |
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// --------------------------------------------------------------------------------------- |
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function DSAbstractObject($type, $eventIdentifier, &$ref_session) { |
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// initialize most important information for an object :-) |
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$this->type = $type; |
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$this->ref_session =& $ref_session; |
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$this->ref_pdlModelObject =& $this->ref_session->pdlengine->getPDLObject($type); |
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$this->ref_pdlModelObjectAttributes =& $this->ref_pdlModelObject->attributes; |
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$this->objectkey_name = $this->ref_pdlModelObject->objectkey; |
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$this->_initAttributes(); |
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// initialize object-state (-> "this is a new object") |
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$this->bool_unbound = 1; |
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$this->bool_created = 1; |
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$this->pdlEventName = 'retrieve ' . $eventIdentifier; |
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$this->pdlEventName_CurrentObjectOperation = ''; |
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if ($eventIdentifier == 'all') { |
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$this->dsType = 'DSDataCollection'; |
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} else { |
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$this->dsType = 'DSDataObject'; |
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} |
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// create a new "DataQuery"-object and store reference |
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$this->ref_dataquery =& new DataQuery(); |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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// PROTOTYPES? |
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// TODO: silly idea with the prototypes in here, in fact most of these are |
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// very specialized methods of "DSDataObject" which have nothing lost in "DSDataCollection" |
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// attribute-operations |
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//function get() { } |
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//function set() { } |
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// object-key-operations |
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function getObjectKeyName() { return $this->_getObjectKeyName(); } |
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function getObjectKey() { return $this->_getObjectKey(); } |
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function setObjectKey($value) { return $this->_setObjectKey($value); } |
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function hasObjectKey() { return $this->_hasObjectKey(); } |
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// object-operations |
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//function load() { } |
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//function save() { } |
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//function delete() { } |
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function fill($attributes_new) { $this->_fill($attributes_new); } |
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function reset() { $this->_reset(); } |
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function unbind() { $this->_unbind(); } |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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// ATTRIBUTE-OPERATIONS (get/set) |
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// --------------------------------------------------------------------------------------- |
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function _getAttribute($attribute_name) { |
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if (isset($this->attributes[$attribute_name])) { |
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$value = $this->attributes[$attribute_name]; |
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if (isset($this->ref_pdlModelObjectAttributes)) { |
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switch ($this->ref_pdlModelObjectAttributes[$attribute_name]->type) { |
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case 'Date': |
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// modify date from english/american format to german one |
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//$value = join('-', array_reverse( split('.', $value) )); |
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$value = convertDate($value, 'german'); |
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break; |
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} |
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} |
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return $value; |
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} |
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} |
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function _setAttribute($attribute_name, $value) { |
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if (isset($this->ref_pdlModelObjectAttributes)) { |
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switch ($this->ref_pdlModelObjectAttributes[$attribute_name]->type) { |
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case 'Date': |
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// modify date from english/american format to german one |
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//$value = join('-', array_reverse( split('.', $value) )); |
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$value = convertDate($value, 'english'); |
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break; |
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} |
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} |
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$this->attributes[$attribute_name] = $value; |
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} |
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function _existsAttribute($attribute_name) { |
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return isset($this->attributes[$attribute_name]); |
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} |
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// --------------------------------------------------------------------------------------- |
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function _initAttributes() { |
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$attribute_names = array_keys($this->ref_pdlModelObjectAttributes); |
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$this->attributes = createHash($attribute_names); |
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} |
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// --------------------------------------------------------------------------------------- |
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function _checkAttributeAccess($attribute_name, $access_mode) { |
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/* |
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remarks for attribute-access-checking: is the following mechanism okay? |
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- always (maybe first): check for attribute-existance |
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- read-mode: |
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- if the object is new (objectkey == '<new>'), return no value |
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- write-mode: |
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- if the object has no object-key: continue work |
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- if the object has got one or more object-key(s): |
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- if the object is bound: continue work |
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- if the object is not bound: check if all object-keys are set first before accessing other attributes |
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*/ |
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if (!$this->_existsAttribute($attribute_name)) { |
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print "<font color=\"red\">Could not access attribute \"$attribute_name\" (operation: \"$access_mode\") in object \"{$this->type}\". Attribute does not exist.</font><br>"; |
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return 0; |
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} |
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switch ($access_mode) { |
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// - - - - - - - - - - - - |
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case 'read': |
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// is this a new object? |
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if ( $this->getObjectKey() == '<new>' ) { |
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//return $this->_getAttribute($attribute_name); |
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return 0; |
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} |
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break; |
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// - - - - - - - - - - - - |
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case 'write': |
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// if this object is unbound, just allow access to the object-key(s) |
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// this is needed to load a single object in order to set the object-id for loading |
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// check for object-key |
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if ($this->objectkey_name) { |
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if ($this->bool_unbound) { |
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if ($attribute_name != $this->objectkey_name) { |
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print "<font color=\"red\">Could not access attribute \"$attribute_name\" for setting in object-type \"{$this->type}\", because the object is unbound, not new, "; |
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print "and \"$attribute_name\" is not the object-key.</font><br>"; |
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return 0; |
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} |
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} |
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} else { |
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// object has got no object-key: continue work |
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} |
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break; |
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} |
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return 1; |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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// OBJECT-KEY-OPERATIONS |
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// --------------------------------------------------------------------------------------- |
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// returns the attribute-name of the object-key |
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function _getObjectKeyName() { |
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// get name of key |
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return $this->objectkey_name; |
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} |
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// --------------------------------------------------------------------------------------- |
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// returns the attribute-value of the object-key |
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function _getObjectKey() { |
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// get value of key |
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$objectkey = $this->_getAttribute($this->objectkey_name); |
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if ($objectkey) { |
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return $objectkey; |
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} else { |
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// HACK: !? |
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//return "<new>"; |
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return "<undefined>"; |
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} |
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} |
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// --------------------------------------------------------------------------------------- |
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// sets the attribute-value of the object-key |
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function _setObjectKey($value) { |
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// set value of key |
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$this->_setAttribute($this->objectkey_name, $value); |
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} |
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// --------------------------------------------------------------------------------------- |
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// has this object an object-key? |
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function _hasObjectKey() { |
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if ($this->objectkey_name) { return 1; } |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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// OBJECT-OPERATIONS (load/save/delete/reset/fill) |
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// --------------------------------------------------------------------------------------- |
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function _setupDataQuery($eventname) { |
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if (!$eventname) { |
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print "<font color=\"red\">Could not initiate any action on object \"{$this->type}\", because the eventname specified was empty. This is needed for getting the proper metadata to execute the object-operation.</font><br>"; |
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return; |
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} |
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// set class-variables |
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$this->pdlEventName_CurrentObjectOperation = $eventname; |
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// get pdl for current event from "PDLModelObject" |
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if (!isset($this->ref_pdlModelObject->events[$eventname])) { |
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trigger_error("DSDataObject->_validateOperation_Object(): Could not find PDLModelEvent \"$eventname\" for object-type \"$this->type\"", E_USER_ERROR); |
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} |
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$unreadySql = $this->ref_pdlModelObject->events[$eventname]->get_unreadySql(); |
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// initialize "DataQuery"s map-part with mapping-informations |
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$this->ref_dataquery->setMap($this->ref_pdlModelObjectAttributes); |
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// initialize "DataQuery"s sql-part with the "unready" sql-statement |
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$this->ref_dataquery->setQuery($unreadySql); |
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return 1; |
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} |
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// --------------------------------------------------------------------------------------- |
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function _validateOperation_Object($operation_mode) { |
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// first, distinguish between "DSDataObject" and "DSDataCollection" |
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switch($this->dsType) { |
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case 'DSDataObject': |
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if (!$this->hasObjectKey()) { |
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// TODO: CHECK THIS!!! |
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//print "<font color=\"red\">Could not initiate object-operation \"$operation_mode\" on object \"{$this->type}\", because \"{$this->type}\" seems to have no object-key.</font><br>"; |
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//return; |
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} |
280 |
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break; |
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case 'DSDataCollection': |
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break; |
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} |
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285 |
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return 1; |
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} |
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// --------------------------------------------------------------------------------------- |
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function _validateOperation_Attributes($operation_mode) { |
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292 |
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/* |
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object-key-juggling, we must handle a few things: |
294 |
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- does this object has got object-keys or not? |
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- and if it has - are they valid and stuff? |
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*/ |
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298 |
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switch($operation_mode) { |
299 |
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300 |
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// - - - - - - - - - - - - |
301 |
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case 'load': |
302 |
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if ($this->hasObjectKey()) { |
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$objectkey = $this->getObjectKey(); |
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// define here what shall happen if an object with key "<undefined>" gets a load-request |
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if ($objectkey == '<undefined>') { |
306 |
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print "<font color=\"red\">Could not load object with object-type \"{$this->type}\", because the object-key \"{$this->objectkey_name}\" was \"undefined\".</font><br>"; |
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return; |
308 |
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} |
309 |
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// define here what shall happen if an object with key "<new>" gets a load-request |
310 |
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if ($objectkey == '<new>') { |
311 |
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print "<font color=\"red\">Could not load object with object-type \"{$this->type}\", because the object-key \"{$this->objectkey_name}\" was \"new\".</font><br>"; |
312 |
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return; |
313 |
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} |
314 |
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} |
315 |
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break; |
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317 |
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// - - - - - - - - - - - - |
318 |
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case 'save': |
319 |
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320 |
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if ($this->hasObjectKey()) { |
321 |
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$objectkey = $this->getObjectKey(); |
322 |
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// define here what shall happen if an object with key "<undefined>" gets a save-request |
323 |
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if ($objectkey == '<undefined>') { |
324 |
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print "<font color=\"red\">Could not save object with object-type \"{$this->type}\", because the object-key \"{$this->objectkey_name}\" was \"undefined\".</font><br>"; |
325 |
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return; |
326 |
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} |
327 |
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// define here what shall happen if an object with key "<new>" gets a save-request |
328 |
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if ($objectkey == '<new>') { |
329 |
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//print "<font color=\"red\">Could not save object with object-type \"{$this->type}\", because the object-key \"{$this->objectkey_name}\" was \"new\".</font><br>"; |
330 |
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//return; |
331 |
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// overwrite the value of the objectkey-attribute |
332 |
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$this->setObjectKey('null'); |
333 |
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} |
334 |
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} |
335 |
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336 |
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break; |
337 |
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338 |
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} |
339 |
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340 |
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return 1; |
341 |
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342 |
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} |
343 |
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344 |
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345 |
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// --------------------------------------------------------------------------------------- |
346 |
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function _load_startup() { |
347 |
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348 |
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// if this object is already bound, we will skip loading it again |
349 |
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// TODO: if not "bool_dirty" |
350 |
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if (!$this->bool_unbound) { return; } |
351 |
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352 |
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// set object-state |
353 |
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$this->bool_unbound = 0; |
354 |
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$this->bool_created = 0; |
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356 |
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$bool_operation_ok = ( ($this->_validateOperation_Object('load')) && ($this->_setupDataQuery($this->pdlEventName)) ); |
357 |
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return $bool_operation_ok; |
358 |
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359 |
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} |
360 |
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361 |
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// --------------------------------------------------------------------------------------- |
362 |
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function _save_startup() { |
363 |
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364 |
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//print "save: " . "bu: " . $this->bool_unbound . "; " . "bc: " . $this->bool_created . "\n"; |
365 |
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366 |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - |
367 |
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// determine pdl-event |
368 |
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$eventname = ''; |
369 |
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// actual insert |
370 |
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if ($this->bool_unbound && $this->bool_created) { |
371 |
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$eventname = 'add'; |
372 |
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} |
373 |
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// actual update |
374 |
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if (!$this->bool_unbound && !$this->bool_created) { |
375 |
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$eventname = 'update'; |
376 |
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} |
377 |
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378 |
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// if this object is already bound, we will skip loading it again |
379 |
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// TODO: if not "bool_dirty" |
380 |
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//if (!$this->bool_unbound) { return; } |
381 |
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382 |
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// set object-state |
383 |
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//$this->bool_unbound = 0; |
384 |
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//$this->bool_created = 0; |
385 |
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386 |
|
|
$bool_operation_ok = ( ($this->_validateOperation_Object('save')) && ($this->_setupDataQuery($eventname)) ); |
387 |
|
|
return $bool_operation_ok; |
388 |
|
|
|
389 |
|
|
} |
390 |
|
|
|
391 |
|
|
// --------------------------------------------------------------------------------------- |
392 |
|
|
function _delete_startup() { |
393 |
|
|
$eventname = 'remove'; |
394 |
|
|
$bool_operation_ok = ( ($this->_validateOperation_Object('delete')) && ($this->_setupDataQuery($eventname)) ); |
395 |
|
|
return $bool_operation_ok; |
396 |
|
|
} |
397 |
|
|
|
398 |
|
|
// --------------------------------------------------------------------------------------- |
399 |
|
|
function _fill($attributes_new) { |
400 |
|
|
|
401 |
|
|
// save all attribute-names in case the new ones are incomplete |
402 |
|
|
$attribute_names = array_keys($this->attributes); |
403 |
|
|
|
404 |
|
|
// overwrite original attributes with new ones |
405 |
|
|
$this->attributes = array_merge(createHash($attribute_names), $attributes_new); |
406 |
|
|
|
407 |
|
|
// set object-state |
408 |
|
|
if ($this->hasObjectKey()) { |
409 |
|
|
switch($this->getObjectKey()) { |
410 |
|
|
case '<undefined>': |
411 |
|
|
break; |
412 |
|
|
case '<new>': |
413 |
|
|
break; |
414 |
|
|
case '': |
415 |
|
|
break; |
416 |
|
|
// yeah, the object-key is set to a valid value, so we declare this object as "bound" |
417 |
|
|
default: |
418 |
|
|
$this->bool_unbound = 0; |
419 |
|
|
//print "-------------fill<br>"; |
420 |
|
|
//$this->_load_startup(); |
421 |
|
|
//$this->_setupDataQuery($this->pdlEventName); |
422 |
|
|
//print ".-...............pdl: " . $this->pdlEventName; |
423 |
|
|
//$this->filters = array(); |
424 |
|
|
//$this->ref_dataquery->clearCriterias(); |
425 |
|
|
//$this->reset(); |
426 |
|
|
break; |
427 |
|
|
} |
428 |
|
|
} |
429 |
|
|
|
430 |
|
|
} |
431 |
|
|
|
432 |
|
|
// --------------------------------------------------------------------------------------- |
433 |
|
|
// declares this object as "unbound" (not loaded) |
434 |
|
|
function _unbind() { |
435 |
|
|
$this->bool_unbound = 1; |
436 |
|
|
} |
437 |
|
|
|
438 |
|
|
// --------------------------------------------------------------------------------------- |
439 |
|
|
// declares this object as "unbound" (not loaded) |
440 |
|
|
function _reset() { |
441 |
|
|
$this->_unbind(); |
442 |
|
|
} |
443 |
|
|
|
444 |
|
|
} |
445 |
|
|
|
446 |
|
|
|
447 |
|
|
|
448 |
|
|
|
449 |
|
|
|
450 |
|
|
// ============================================================== |
451 |
|
|
class DSDataObject extends DSAbstractObject { |
452 |
|
|
|
453 |
|
|
|
454 |
|
|
// --------------------------------------------------------------------------------------- |
455 |
|
|
function DSDataObject($type, &$ref_session) { |
456 |
|
|
// debugging |
457 |
|
|
slog("DSDataObject: new DSDataObject($type)"); |
458 |
|
|
parent::DSAbstractObject($type, 'single', &$ref_session); |
459 |
|
|
} |
460 |
|
|
|
461 |
|
|
|
462 |
|
|
|
463 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
464 |
|
|
// ATTRIBUTE-OPERATIONS (get/set) |
465 |
|
|
|
466 |
|
|
|
467 |
|
|
// --------------------------------------------------------------------------------------- |
468 |
|
|
function get($attribute_name) { |
469 |
|
|
|
470 |
|
|
// debugging |
471 |
|
|
slog("DSDataObject: get($attribute_name)"); |
472 |
|
|
|
473 |
|
|
// attribute-access!? |
474 |
|
|
if (!$this->_checkAttributeAccess($attribute_name, 'read')) { return; } |
475 |
|
|
|
476 |
|
|
// is this object unbound? if yes, try an implicit load! |
477 |
|
|
if ( ($this->bool_unbound) && ($this->hasObjectKey()) ) { |
478 |
|
|
// we have to pre-check here if the object we want to load implicitely has got an object key - else this wouldn't make sense ... |
479 |
|
|
// ... the reason for this case is maybe because "DSDataCollection" did a "fill" on a "DSDataObject" so this object is "unbound", too |
480 |
|
|
// the normal case is that a "DSDataObject" is "unbound", so it will get an implicit "load"-request when it recieved an attribute-"get"-request here |
481 |
|
|
// the "forbidden" load of an object without object-key is also checked later in "->_validateOperation_Object()", |
482 |
|
|
// but there the operation is cancelled with an error, here we can prevent this :-) |
483 |
|
|
$this->load(); |
484 |
|
|
} |
485 |
|
|
|
486 |
|
|
// TODO: other DataCollections ( for "Associations"-functionality :-) ) |
487 |
|
|
|
488 |
|
|
// TODO/HACK: this comparison doesn't ensure completely if an attribute-value is set or not ( imagine "0" (zero)!!! ) |
489 |
|
|
if ( $retval = $this->_getAttribute($attribute_name) ) { |
490 |
|
|
return $retval; |
491 |
|
|
} |
492 |
|
|
|
493 |
|
|
} |
494 |
|
|
|
495 |
|
|
|
496 |
|
|
// --------------------------------------------------------------------------------------- |
497 |
|
|
function set($attribute_name, $value) { |
498 |
|
|
|
499 |
|
|
// attribute-access!? |
500 |
|
|
if (!$this->_checkAttributeAccess($attribute_name, 'write')) { return; } |
501 |
|
|
|
502 |
|
|
slog("DSDataObject: set($attribute_name, $value)"); |
503 |
|
|
// TODO (MUST): other DataCollections |
504 |
|
|
|
505 |
|
|
$this->_setAttribute($attribute_name, $value); |
506 |
|
|
} |
507 |
|
|
|
508 |
|
|
// --------------------------------------------------------------------------------------- |
509 |
|
|
function getAll_old() { |
510 |
|
|
slog("DSDataObject: getAll()"); |
511 |
|
|
return $this->attributes; |
512 |
|
|
} |
513 |
|
|
|
514 |
|
|
function setAll_old($attributes) { |
515 |
|
|
slog("DSDataObject: setAll($attributes)"); |
516 |
|
|
$this->attributes = $attributes; |
517 |
|
|
} |
518 |
|
|
|
519 |
|
|
|
520 |
|
|
|
521 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
522 |
|
|
// OBJECT-OPERATIONS (load/save/delete/reset/fill) |
523 |
|
|
|
524 |
|
|
|
525 |
|
|
// --------------------------------------------------------------------------------------- |
526 |
|
|
function load() { |
527 |
|
|
|
528 |
|
|
if (!$this->_load_startup()) { return; } |
529 |
|
|
|
530 |
|
|
// validate attributes to assure a good object-operation |
531 |
|
|
if (!$this->_validateOperation_Attributes('load')) { |
532 |
|
|
print "<font color=\"red\">DSDataObject->_validateOperation_Attributes('load') for \"{$this->type}\" failed.</font><br>"; |
533 |
|
|
} |
534 |
|
|
|
535 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
536 |
|
|
// add criteria-information to the "DataQuery" to limit the result to this single object/entry |
537 |
|
|
// HACK!!! move this functionality (':') to "...->addCriteria?) |
538 |
|
|
$this->ref_dataquery->addCriteria(':' . $this->objectkey_name . ' = ' . $this->getObjectKey()); |
539 |
|
|
|
540 |
|
|
|
541 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
542 |
|
|
// retrieve data |
543 |
|
|
|
544 |
|
|
// execute the "DataQuery" |
545 |
|
|
$this->ref_dataquery->query(); |
546 |
|
|
|
547 |
|
|
// get next (first) item of result(s) |
548 |
|
|
if ($this->ref_dataquery->next()) { |
549 |
|
|
|
550 |
|
|
// initialize attributes with loaded values |
551 |
|
|
$attributes_loaded =& $this->ref_dataquery->getResult(); |
552 |
|
|
|
553 |
|
|
// fill ourself with attributes |
554 |
|
|
$this->fill($attributes_loaded); |
555 |
|
|
|
556 |
|
|
return 1; |
557 |
|
|
} |
558 |
|
|
|
559 |
|
|
} |
560 |
|
|
|
561 |
|
|
|
562 |
|
|
// --------------------------------------------------------------------------------------- |
563 |
|
|
function save() { |
564 |
|
|
|
565 |
|
|
if (!$this->_save_startup()) { return; } |
566 |
|
|
|
567 |
|
|
// catch all vars to save this object |
568 |
|
|
$this->save_catchAllVars(); |
569 |
|
|
|
570 |
|
|
// validate attributes to assure a good object-operation |
571 |
|
|
if (!$this->_validateOperation_Attributes('save')) { |
572 |
|
|
print "<font color=\"red\">DSDataObject->_validateOperation_Attributes('save') for \"{$this->type}\" failed.</font><br>"; |
573 |
|
|
} |
574 |
|
|
|
575 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
576 |
|
|
// add criteria-information to the "DataQuery" to limit the result to this single object/entry |
577 |
|
|
// HACK!!! move this functionality (':') to "...->addCriteria?) |
578 |
|
|
//$this->ref_dataquery->addCriteria(':' . $this->objectkey_name . ' = ' . $objectkey); |
579 |
|
|
|
580 |
|
|
//print $this->ref_dataquery->getSql() . "<br>"; |
581 |
|
|
//print "save<br>"; |
582 |
|
|
//exit; |
583 |
|
|
|
584 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
585 |
|
|
// save data |
586 |
|
|
|
587 |
|
|
// execute the "DataQuery" |
588 |
|
|
$this->ref_dataquery->setData($this->attributes); |
589 |
|
|
$this->ref_dataquery->query(); |
590 |
|
|
|
591 |
|
|
// TODO: review this mechanism! |
592 |
|
|
// patch object-key if this was a create-operation, because new object-keys are provided by the underlying rdbms here |
593 |
|
|
if ($this->pdlEventName_CurrentObjectOperation == 'add') { |
594 |
|
|
$this->setObjectKey($this->ref_dataquery->lastInsertId); |
595 |
|
|
} |
596 |
|
|
|
597 |
|
|
} |
598 |
|
|
|
599 |
|
|
|
600 |
|
|
// --------------------------------------------------------------------------------------- |
601 |
|
|
function delete() { |
602 |
|
|
|
603 |
|
|
if (!$this->_delete_startup()) { return; } |
604 |
|
|
$this->ref_dataquery->query(); |
605 |
|
|
|
606 |
|
|
/* |
607 |
|
|
$eventname = 'remove'; |
608 |
|
|
|
609 |
|
|
if (!isset($this->pdlModelObject->events[$eventname])) { |
610 |
|
|
trigger_error("could not find PDLModelObjectEvent \"$eventname\"", E_USER_ERROR); |
611 |
|
|
} |
612 |
|
|
$almost_sql = $this->pdlModelObject->events[$eventname]->getEventPdl(); |
613 |
|
|
$almost_sql .= ';'; |
614 |
|
|
|
615 |
|
|
$almost_sql = str_replace(':' . $this->getID_name(), "'" . $this->getID() . "'", $almost_sql); |
616 |
|
|
|
617 |
|
|
$sql = $almost_sql; |
618 |
|
|
|
619 |
|
|
if ($sql) { |
620 |
|
|
$this->dataquery->setSQL($sql); |
621 |
|
|
$this->dataquery->query(); |
622 |
|
|
} |
623 |
|
|
*/ |
624 |
|
|
|
625 |
|
|
} |
626 |
|
|
|
627 |
|
|
/* |
628 |
|
|
function setMetaInfo($metainfo) { |
629 |
|
|
$this->metainfo = $metainfo; |
630 |
|
|
} |
631 |
|
|
*/ |
632 |
|
|
|
633 |
|
|
function reset() { |
634 |
|
|
parent::_reset(); |
635 |
|
|
} |
636 |
|
|
|
637 |
|
|
|
638 |
|
|
// --------------------------------------------------------------------------------------- |
639 |
|
|
function save_catchAllVars() { |
640 |
|
|
global $HTTP_GET_VARS; |
641 |
|
|
while(list($key, $value) = each($this->attributes)) { |
642 |
|
|
if (isset($HTTP_GET_VARS[$key])) { |
643 |
|
|
//$this->attributes[$key] = $HTTP_GET_VARS[$key]; |
644 |
|
|
$this->_setAttribute($key, $HTTP_GET_VARS[$key]); |
645 |
|
|
} |
646 |
|
|
} |
647 |
|
|
} |
648 |
|
|
|
649 |
|
|
|
650 |
|
|
} |
651 |
|
|
|
652 |
|
|
|
653 |
|
|
|
654 |
|
|
|
655 |
|
|
|
656 |
|
|
// ============================================================== |
657 |
|
|
// implements a collection of "DSDataObject"s interacting with a DataQuery |
658 |
|
|
class DSDataCollection extends DSAbstractObject { |
659 |
|
|
|
660 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - |
661 |
|
|
// data which influences the result of this "DSDataCollection" |
662 |
|
|
|
663 |
|
|
// filters we applied to this DataCollection (a hash of "DSFilter"-objects) |
664 |
|
|
var $filters; |
665 |
|
|
// the default concatenator for appending the "filters" to a query with already existing criteria-information |
666 |
|
|
var $filterConcatenator; |
667 |
|
|
|
668 |
|
|
// sortorders we applied to this DataCollection (a hash of "DSSortOrder"-objects) |
669 |
|
|
var $sortorders; |
670 |
|
|
|
671 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - |
672 |
|
|
// miscellanious data |
673 |
|
|
|
674 |
|
|
// paging? |
675 |
|
|
var $page; |
676 |
|
|
|
677 |
|
|
// the number of results |
678 |
|
|
var $resultcount; |
679 |
|
|
|
680 |
|
|
// var $data; |
681 |
|
|
//var $metainfo; |
682 |
|
|
|
683 |
|
|
|
684 |
|
|
// --------------------------------------------------------------------------------------- |
685 |
|
|
function DSDataCollection($type, &$ref_session) { |
686 |
|
|
|
687 |
|
|
// call parent-constructor |
688 |
|
|
parent::DSAbstractObject($type, 'all', &$ref_session); |
689 |
|
|
|
690 |
|
|
// initialize class-variables |
691 |
|
|
$this->filters = array(); |
692 |
|
|
$this->filterConcatenator = 'AND'; |
693 |
|
|
$this->sortorders = array(); |
694 |
|
|
} |
695 |
|
|
|
696 |
|
|
|
697 |
|
|
// --------------------------------------------------------------------------------------- |
698 |
|
|
// creates a new "DSFilter"-object and adds reference to local "filters"-hash |
699 |
|
|
function &addFilter($filterstring, $logicalOperator = 'AND') { |
700 |
|
|
slog("DSDataCollection: &addFilter($filterstring)"); |
701 |
|
|
$r_filter = &new DSFilter($filterstring, $logicalOperator); |
702 |
|
|
$this->filters[] =& $r_filter; |
703 |
|
|
return $r_filter; |
704 |
|
|
} |
705 |
|
|
|
706 |
|
|
// --------------------------------------------------------------------------------------- |
707 |
|
|
// clears all filters from local "filters"-hash |
708 |
|
|
function clearFilters() { |
709 |
|
|
slog("DSDataCollection: clearFilters()"); |
710 |
|
|
$this->filters = array(); |
711 |
|
|
} |
712 |
|
|
|
713 |
|
|
|
714 |
|
|
// --------------------------------------------------------------------------------------- |
715 |
|
|
// creates a new "DSSortOrder"-object and adds reference to local "sortorders"-hash |
716 |
|
|
function &addSortOrder($column, $mode) { |
717 |
|
|
slog("DSDataCollection: &addSortOrder($column, $mode)"); |
718 |
|
|
$r_order =& new DSSortOrder($column, $mode); |
719 |
|
|
array_push($this->sortorders, &$r_order); |
720 |
|
|
return $r_order; |
721 |
|
|
} |
722 |
|
|
|
723 |
|
|
|
724 |
|
|
// --------------------------------------------------------------------------------------- |
725 |
|
|
// limits DataCollection to a certain "page" (for paging of results) |
726 |
|
|
function &setPage($pagenumber, $pagesize) { |
727 |
|
|
// debugging |
728 |
|
|
slog("DSDataCollection: &setPage($pagenumber, $pagesize)"); |
729 |
|
|
$this->page['number'] = $pagenumber; |
730 |
|
|
$this->page['size'] = $pagesize; |
731 |
|
|
} |
732 |
|
|
|
733 |
|
|
|
734 |
|
|
// --------------------------------------------------------------------------------------- |
735 |
|
|
// loads data into this "DSDataCollection" |
736 |
|
|
function load() { |
737 |
|
|
|
738 |
|
|
//$this->_load_startup(); |
739 |
|
|
if (!$this->_load_startup()) { return; } |
740 |
|
|
|
741 |
|
|
|
742 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
743 |
|
|
// 1. process filters |
744 |
|
|
// $this->filterConcatenator |
745 |
|
|
if (isset($this->filters) && count($this->filters)) { |
746 |
|
|
reset($this->filters); |
747 |
|
|
while($r_filter =& current($this->filters)) { |
748 |
|
|
if ($strFilter = $r_filter->getParsed()) { |
749 |
|
|
//$almost_sql_FilterPart .= $strParsed . $sql_concat; |
750 |
|
|
//$this->ref_dataquery->addCriteria(':' . $this->objectkey_name . ' = ' . $this->getObjectKey()); |
751 |
|
|
$this->ref_dataquery->addCriteria($strFilter, $r_filter->logicalOperator); |
752 |
|
|
} |
753 |
|
|
next($this->filters); |
754 |
|
|
} |
755 |
|
|
// clear all filters |
756 |
|
|
$this->filters = array(); |
757 |
|
|
} |
758 |
|
|
|
759 |
|
|
|
760 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
761 |
|
|
// 2. process orders |
762 |
|
|
if (isset($this->sortorders) && count($this->sortorders)) { |
763 |
|
|
reset($this->sortorders); |
764 |
|
|
while($r_order =& current($this->sortorders)) { |
765 |
|
|
$this->ref_dataquery->addOrder($r_order->getAttribute(), $r_order->getOrderAscDesc()); |
766 |
|
|
next($this->sortorders); |
767 |
|
|
} |
768 |
|
|
} |
769 |
|
|
|
770 |
|
|
|
771 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
772 |
|
|
// 3. limit? |
773 |
|
|
if ( isset($this->page['number']) && isset($this->page['size']) ) { |
774 |
|
|
$nr = $this->page['number']; |
775 |
|
|
$size = $this->page['size']; |
776 |
|
|
$offset = $nr * $size; |
777 |
|
|
//$almost_sql .= " LIMIT $offset, $size"; |
778 |
|
|
$strLimit = "$offset, $size"; |
779 |
|
|
$this->ref_dataquery->addLimit($strLimit); |
780 |
|
|
} |
781 |
|
|
|
782 |
|
|
|
783 |
|
|
// fetch data |
784 |
|
|
$this->ref_dataquery->query(); |
785 |
|
|
$this->resultcount = $this->ref_dataquery->getRowCount(); |
786 |
|
|
$this->ref_dataquery->retrieveMetaInfo(); |
787 |
|
|
//$this->metainfo = $this->dataquery->metainfo; |
788 |
|
|
|
789 |
|
|
} |
790 |
|
|
|
791 |
|
|
|
792 |
|
|
// --------------------------------------------------------------------------------------- |
793 |
|
|
// iterates to the next "DSDataObject" in the "DSDataCollection"-result and returns it |
794 |
|
|
function &next() { |
795 |
|
|
|
796 |
|
|
// debugging |
797 |
|
|
slog("DSDataCollection: &next()"); |
798 |
|
|
|
799 |
|
|
// do an implicit load if we are "unbound" |
800 |
|
|
if ($this->bool_unbound) { |
801 |
|
|
$this->load(); |
802 |
|
|
} |
803 |
|
|
|
804 |
|
|
// get next item from a "DataQuery"-result |
805 |
|
|
if ($this->ref_dataquery->next()) { |
806 |
|
|
$result = $this->ref_dataquery->getResult(); |
807 |
|
|
//$obj =& $this->session->Map2Obj($row, $this->pdlModelObject->getObjectType() ); |
808 |
|
|
//$obj =& $this->session->Map2Obj($row, $this->objecttype_full, $this->pdlEventName, $this->metainfo ); |
809 |
|
|
//$obj->setMetaInfo($this->metainfo); |
810 |
|
|
$obj =& $this->ref_session->getDataObject($this->type); |
811 |
|
|
$obj->fill($result); |
812 |
|
|
//$obj->attributes =& $result; |
813 |
|
|
//$obj->bool_unbound = 0; |
814 |
|
|
return $obj; |
815 |
|
|
} |
816 |
|
|
} |
817 |
|
|
|
818 |
|
|
|
819 |
|
|
// --------------------------------------------------------------------------------------- |
820 |
|
|
// returns the number of results |
821 |
|
|
function getResultCount() { |
822 |
|
|
return $this->resultcount; |
823 |
|
|
} |
824 |
|
|
|
825 |
|
|
function reset() { |
826 |
|
|
parent::_reset(); |
827 |
|
|
$this->filters = array(); |
828 |
|
|
$this->sortorders = array(); |
829 |
|
|
//$this->ref_dataquery->clearCriterias(); |
830 |
|
|
} |
831 |
|
|
|
832 |
|
|
} |
833 |
|
|
|
834 |
|
|
?> |