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<?php |
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namespace Ajax\semantic\widgets\datatable; |
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use Ajax\common\Widget; |
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use Ajax\JsUtils; |
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use Ajax\semantic\html\collections\table\HtmlTable; |
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use Ajax\semantic\html\elements\HtmlInput; |
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use Ajax\semantic\html\collections\menus\HtmlPaginationMenu; |
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use Ajax\semantic\html\modules\checkbox\HtmlCheckbox; |
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use Ajax\semantic\html\base\constants\Direction; |
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use Ajax\service\JArray; |
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use Ajax\semantic\widgets\base\InstanceViewer; |
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use Ajax\semantic\html\collections\table\traits\TableTrait; |
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/** |
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* DataTable widget for displaying list of objects |
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* @version 1.0 |
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* @author jc |
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* @since 2.2 |
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* |
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*/ |
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class DataTable extends Widget { |
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use TableTrait,DataTableFieldAsTrait,HasCheckboxesTrait; |
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protected $_searchField; |
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protected $_urls; |
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protected $_pagination; |
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protected $_compileParts; |
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protected $_deleteBehavior; |
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protected $_editBehavior; |
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protected $_visibleHover=false; |
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protected $_targetSelector; |
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protected $_refreshSelector; |
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public function __construct($identifier,$model,$modelInstance=NULL) { |
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parent::__construct($identifier, $model,$modelInstance); |
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$this->_init(new InstanceViewer($identifier), "table", new HtmlTable($identifier, 0,0), false); |
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$this->_urls=[]; |
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} |
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public function run(JsUtils $js){ |
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if($this->_hasCheckboxes && isset($js)){ |
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$this->_runCheckboxes($js); |
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} |
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if($this->_visibleHover){ |
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$js->execOn("mouseover", "#".$this->identifier." tr", "$(event.target).closest('tr').find('.visibleover').css('visibility', 'visible');",["preventDefault"=>false,"stopPropagation"=>true]); |
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$js->execOn("mouseout", "#".$this->identifier." tr", "$(event.target).closest('tr').find('.visibleover').css('visibility', 'hidden');",["preventDefault"=>false,"stopPropagation"=>true]); |
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} |
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if(\is_array($this->_deleteBehavior)) |
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$this->_generateBehavior("delete",$this->_deleteBehavior, $js); |
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if(\is_array($this->_editBehavior)) |
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$this->_generateBehavior("edit",$this->_editBehavior,$js); |
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return parent::run($js); |
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} |
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protected function _generateBehavior($op,$params,JsUtils $js){ |
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if(isset($this->_urls[$op])){ |
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$params=\array_merge($params,["attr"=>"data-ajax"]); |
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$js->getOnClick("#".$this->identifier." ._".$op, $this->_urls[$op],$this->getTargetSelector(),$params); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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* @see \Ajax\semantic\html\collections\table\TableTrait::getTable() |
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*/ |
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protected function getTable() { |
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return $this->content["table"]; |
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} |
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public function compile(JsUtils $js=NULL,&$view=NULL){ |
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if(!$this->_generated){ |
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$this->_instanceViewer->setInstance($this->_model); |
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$captions=$this->_instanceViewer->getCaptions(); |
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$table=$this->content["table"]; |
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if($this->_hasCheckboxes){ |
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$this->_generateMainCheckbox($captions); |
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} |
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$table->setRowCount(0, \sizeof($captions)); |
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$table->setHeaderValues($captions); |
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if(isset($this->_compileParts)) |
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$table->setCompileParts($this->_compileParts); |
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if(isset($this->_searchField) && isset($js)){ |
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if(isset($this->_urls["refresh"])) |
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$this->_searchField->postOn("change", $this->_urls["refresh"],"{'s':$(this).val()}","#".$this->identifier." tbody",["preventDefault"=>false,"jqueryDone"=>"replaceWith"]); |
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} |
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$this->_generateContent($table); |
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if($this->_hasCheckboxes && $table->hasPart("thead")){ |
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$table->getHeader()->getCell(0, 0)->addClass("no-sort"); |
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} |
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if(isset($this->_pagination) && $this->_pagination->getVisible()){ |
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$this->_generatePagination($table); |
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} |
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if(isset($this->_toolbar)){ |
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$this->_setToolbarPosition($table, $captions); |
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} |
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$this->content=JArray::sortAssociative($this->content, [PositionInTable::BEFORETABLE,"table",PositionInTable::AFTERTABLE]); |
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$this->_compileForm(); |
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$this->_generated=true; |
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} |
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return parent::compile($js,$view); |
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} |
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protected function _generateContent($table){ |
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$objects=$this->_modelInstance; |
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if(isset($this->_pagination)){ |
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$objects=$this->_pagination->getObjects($this->_modelInstance); |
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} |
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InstanceViewer::setIndex(0); |
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$table->fromDatabaseObjects($objects, function($instance) use($table){ |
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$this->_instanceViewer->setInstance($instance); |
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InstanceViewer::$index++; |
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$values= $this->_instanceViewer->getValues(); |
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if($this->_hasCheckboxes){ |
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$ck=new HtmlCheckbox("ck-".$this->identifier,""); |
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$field=$ck->getField(); |
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$field->setProperty("value",$this->_instanceViewer->getIdentifier()); |
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$field->setProperty("name", "selection[]"); |
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\array_unshift($values, $ck); |
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} |
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$result=$table->newRow(); |
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$result->setIdentifier($this->identifier."-tr-".$this->_instanceViewer->getIdentifier()); |
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$result->setValues($values); |
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return $result; |
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}); |
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} |
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private function _generatePagination($table){ |
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$footer=$table->getFooter(); |
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$footer->mergeCol(); |
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$menu=new HtmlPaginationMenu("pagination-".$this->identifier,$this->_pagination->getPagesNumbers()); |
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$menu->floatRight(); |
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$menu->setActiveItem($this->_pagination->getPage()-1); |
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$footer->setValues($menu); |
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if(isset($this->_urls["refresh"])) |
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$menu->postOnClick($this->_urls["refresh"],"{'p':$(this).attr('data-page')}",$this->getRefreshSelector(),["preventDefault"=>false,"jqueryDone"=>"replaceWith"]); |
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} |
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protected function _getFieldName($index){ |
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return parent::_getFieldName($index)."[]"; |
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} |
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protected function _getFieldCaption($index){ |
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return null; |
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} |
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protected function _setToolbarPosition($table,$captions=NULL){ |
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switch ($this->_toolbarPosition){ |
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case PositionInTable::BEFORETABLE: |
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case PositionInTable::AFTERTABLE: |
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if(isset($this->_compileParts)===false){ |
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$this->content[$this->_toolbarPosition]=$this->_toolbar; |
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} |
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break; |
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case PositionInTable::HEADER: |
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case PositionInTable::FOOTER: |
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case PositionInTable::BODY: |
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$this->addToolbarRow($this->_toolbarPosition,$table, $captions); |
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break; |
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} |
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} |
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/** |
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* Associates a $callback function after the compilation of the field at $index position |
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* The $callback function can take the following arguments : $field=>the compiled field, $instance : the active instance of the object, $index: the field position |
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* @param int $index postion of the compiled field |
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* @param callable $callback function called after the field compilation |
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* @return DataTable |
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*/ |
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public function afterCompile($index,$callback){ |
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$this->_instanceViewer->afterCompile($index,$callback); |
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return $this; |
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} |
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private function addToolbarRow($part,$table,$captions){ |
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$hasPart=$table->hasPart($part); |
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if($hasPart){ |
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$row=$table->getPart($part)->addRow(\sizeof($captions)); |
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}else{ |
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$row=$table->getPart($part)->getRow(0); |
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} |
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$row->mergeCol(); |
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$row->setValues([$this->_toolbar]); |
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} |
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public function getHtmlComponent(){ |
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return $this->content["table"]; |
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} |
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public function getUrls() { |
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return $this->_urls; |
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} |
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/** |
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* Sets the associative array of urls for refreshing, updating or deleting |
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* @param string|array $urls associative array with keys refresh: for refreshing with search field or pagination, edit : for updating a row, delete: for deleting a row |
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* @return DataTable |
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*/ |
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public function setUrls($urls) { |
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if(\is_array($urls)){ |
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$this->_urls["refresh"]=JArray::getValue($urls, "refresh",0); |
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$this->_urls["edit"]=JArray::getValue($urls, "edit",1); |
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$this->_urls["delete"]=JArray::getValue($urls, "delete",2); |
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}else{ |
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$this->_urls=["refresh"=>$urls,"edit"=>$urls,"delete"=>$urls]; |
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} |
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return $this; |
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} |
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/** |
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* Paginates the DataTable element with a Semantic HtmlPaginationMenu component |
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* @param number $page the active page number |
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* @param number $total_rowcount the total number of items |
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* @param number $items_per_page The number of items per page |
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* @param number $pages_visibles The number of visible pages in the Pagination component |
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* @return DataTable |
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*/ |
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public function paginate($page,$total_rowcount,$items_per_page=10,$pages_visibles=4){ |
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$this->_pagination=new Pagination($items_per_page,$pages_visibles,$page,$total_rowcount); |
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return $this; |
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} |
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/** |
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* Auto Paginates the DataTable element with a Semantic HtmlPaginationMenu component |
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* @param number $page the active page number |
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* @param number $items_per_page The number of items per page |
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* @param number $pages_visibles The number of visible pages in the Pagination component |
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* @return DataTable |
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*/ |
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public function autoPaginate($page=1,$items_per_page=10,$pages_visibles=4){ |
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$this->_pagination=new Pagination($items_per_page,$pages_visibles,$page); |
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return $this; |
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} |
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/** |
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* @param array $compileParts |
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* @return DataTable |
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*/ |
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public function refresh($compileParts=["tbody"]){ |
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$this->_compileParts=$compileParts; |
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return $this; |
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} |
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public function addSearchInToolbar($position=Direction::RIGHT){ |
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return $this->addInToolbar($this->getSearchField())->setPosition($position); |
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} |
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public function getSearchField(){ |
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if(isset($this->_searchField)===false){ |
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$this->_searchField=new HtmlInput("search-".$this->identifier,"search","","Search..."); |
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$this->_searchField->addIcon("search",Direction::RIGHT); |
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} |
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return $this->_searchField; |
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} |
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/** |
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* The callback function called after the insertion of each row when fromDatabaseObjects is called |
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* callback function takes the parameters $row : the row inserted and $object: the instance of model used |
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* @param callable $callback |
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* @return DataTable |
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*/ |
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public function onNewRow($callback) { |
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$this->content["table"]->onNewRow($callback); |
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return $this; |
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} |
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public function asForm(){ |
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return $this->getForm(); |
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} |
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protected function getTargetSelector() { |
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$result=$this->_targetSelector; |
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if(!isset($result)) |
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$result="#".$this->identifier; |
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return $result; |
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} |
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/** |
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* Sets the response element selector for Edit and Delete request with ajax |
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* @param string $_targetSelector |
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* @return \Ajax\semantic\widgets\datatable\DataTable |
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*/ |
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public function setTargetSelector($_targetSelector) { |
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$this->_targetSelector=$_targetSelector; |
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return $this; |
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} |
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public function getRefreshSelector() { |
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if(isset($this->_refreshSelector)) |
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return $this->_refreshSelector; |
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return "#".$this->identifier." tbody"; |
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} |
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public function setRefreshSelector($_refreshSelector) { |
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$this->_refreshSelector=$_refreshSelector; |
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return $this; |
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} |
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} |
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the parent class: