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<?php |
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namespace LeKoala\ExcelImportExport\Extensions; |
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use SilverStripe\Forms\Form; |
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use SilverStripe\Core\Extension; |
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use SilverStripe\Admin\ModelAdmin; |
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use SilverStripe\Forms\CheckboxField; |
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use SilverStripe\Forms\OptionsetField; |
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use LeKoala\ExcelImportExport\ExcelBulkLoader; |
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use LeKoala\ExcelImportExport\ExcelImportExport; |
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use SilverStripe\Forms\GridField\GridFieldConfig; |
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use SilverStripe\Forms\GridField\GridFieldExportButton; |
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use SilverStripe\Forms\GridField\GridFieldImportButton; |
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use LeKoala\ExcelImportExport\ExcelGridFieldExportButton; |
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use LeKoala\ExcelImportExport\ExcelGridFieldImportButton; |
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/** |
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* Extends {@link ModelAdmin}. to bind new forms and features |
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* |
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* @author Koala |
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*/ |
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class ModelAdminExcelExtension extends Extension |
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{ |
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private static $allowed_actions = array( |
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'downloadsample' |
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); |
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public function onAfterInit() |
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{ |
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$this->updateModelImporters(); |
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} |
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/** |
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* Replace default model import with a predefined value |
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* |
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* @return void |
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*/ |
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protected function updateModelImporters() |
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{ |
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/* @var $owner ModelAdmin */ |
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$owner = $this->owner; |
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$config = $this->owner->config(); |
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// Overwrite model imports |
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$importerClasses = $config->get('model_importers'); |
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if (is_null($importerClasses)) { |
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$models = $owner->getManagedModels(); |
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foreach (array_keys($models) as $modelName) { |
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$importerClasses[$modelName] = ExcelBulkLoader::class; |
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} |
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$config->set('model_importers', $importerClasses); |
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} |
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} |
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public function downloadsample() |
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{ |
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ExcelImportExport::sampleFileForClass($this->owner->modelClass); |
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} |
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public function updateGridFieldConfig(GridFieldConfig $config) |
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{ |
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/** @var ModelAdmin $owner */ |
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$owner = $this->owner; |
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$class = $owner->modelClass; |
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$classConfig = $owner->config(); |
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// Add/remove csv export (hide by default) |
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if ($classConfig->export_csv) { |
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$GridFieldExportButton = $this->getGridFieldExportButton($config); |
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$GridFieldExportButton->setExportColumns(ExcelImportExport::exportFieldsForClass($class)); |
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} else { |
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$config->removeComponentsByType(GridFieldExportButton::class); |
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} |
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// Add/remove csv export (add by default) |
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if ($classConfig->export_excel) { |
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$ExcelGridFieldExportButton = new ExcelGridFieldExportButton('buttons-before-left'); |
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$config->addComponent($ExcelGridFieldExportButton); |
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} |
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// Rename import button |
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$config->removeComponentsByType(GridFieldImportButton::class); |
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if (is_bool($this->owner->showImportForm) && $this->owner->showImportForm || is_array($this->owner->showImportForm) && in_array($class, $this->owner->showImportForm)) { |
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$ExcelGridFieldImportButton = new ExcelGridFieldImportButton('buttons-before-left'); |
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$ExcelGridFieldImportButton->setImportForm($this->owner->ImportForm()); |
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$ExcelGridFieldImportButton->setModalTitle(_t('ExcelImportExport.IMPORTFROMFILE', 'Import from a file')); |
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$config->addComponent($ExcelGridFieldImportButton); |
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} |
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} |
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/** |
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* @param GridFieldConfig $config |
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* @return GridFieldExportButton |
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*/ |
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protected function getGridFieldExportButton($config) |
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{ |
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return $config->getComponentByType(GridFieldExportButton::class); |
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} |
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public function updateImportForm(Form $form) |
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{ |
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/** @var ModelAdmin $owner */ |
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$owner = $this->owner; |
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$class = $owner->modelClass; |
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$classConfig = $owner->config(); |
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$modelSNG = singleton($class); |
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$modelConfig = $modelSNG->config(); |
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$modelName = $modelSNG->i18n_singular_name(); |
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$fields = $form->Fields(); |
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$downloadSampleLink = $owner->Link(str_replace('\\', '-', $class) . '/downloadsample'); |
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$downloadSample = '<a href="' . $downloadSampleLink . '" class="no-ajax" target="_blank">' . _t( |
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'ExcelImportExport.DownloadSample', |
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'Download sample file' |
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) . '</a>'; |
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$file = $fields->dataFieldByName('_CsvFile'); |
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if ($file) { |
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$csvDescription = ExcelImportExport::getValidExtensionsText(); |
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$csvDescription .= '. ' . $downloadSample; |
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$file->setDescription($csvDescription); |
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$file->getValidator()->setAllowedExtensions(ExcelImportExport::getValidExtensions()); |
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} |
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// Hide by default, but allow on per class basis (opt-in) |
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if ($classConfig->hide_replace_data && !$modelConfig->show_replace_data) { |
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// This is way too dangerous and customers don't understand what this is most of the time |
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$fields->removeByName("EmptyBeforeImport"); |
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} |
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// If you cannot delete, you cannot empty |
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if (!$modelSNG->canDelete()) { |
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$fields->removeByName('EmptyBeforeImport'); |
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} |
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// We moved the specs into a nice to use download sample button |
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$fields->removeByName("SpecFor{$modelName}"); |
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// We can implement a custom handler |
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$importHandlers = []; |
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if ($modelSNG->hasMethod('listImportHandlers')) { |
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$importHandlers = array_merge([ |
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'default' => _t('ExcelImportExport.DefaultHandler', 'Default import handler'), |
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], $modelSNG->listImportHandlers()); |
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$supportOnlyUpdate = []; |
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foreach ($importHandlers as $class => $label) { |
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if (class_exists($class) && method_exists($class, 'setOnlyUpdate')) { |
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$supportOnlyUpdate[] = $class; |
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} |
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} |
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$form->Fields()->push($OnlyUpdateRecords = new CheckboxField("OnlyUpdateRecords", _t('ExcelImportExport.OnlyUpdateRecords', "Only update records"))); |
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$OnlyUpdateRecords->setAttribute("data-handlers", implode(",", $supportOnlyUpdate)); |
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} |
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if (!empty($importHandlers)) { |
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$form->Fields()->push($ImportHandler = new OptionsetField("ImportHandler", _t('ExcelImportExport.PleaseSelectImportHandler', "Please select the import handler"), $importHandlers)); |
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// Simply check of this is supported or not for the given handler (if not, disable it) |
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$js = <<<JS |
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var cb=document.querySelector('#OnlyUpdateRecords');var accepted=cb.dataset.handlers.split(',');var item=([...this.querySelectorAll('input')].filter((input) => input.checked)[0]); cb.disabled=(item && accepted.includes(item.value)) ? '': 'disabled'; |
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JS; |
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$ImportHandler->setAttribute("onclick", $js); |
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} |
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$actions = $form->Actions(); |
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// Update import button |
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$import = $actions->dataFieldByName('action_import'); |
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if ($import) { |
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$import->setTitle(_t( |
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'ExcelImportExport.ImportExcel', |
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"Import from Excel" |
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)); |
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$import->removeExtraClass('btn-outline-secondary'); |
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$import->addExtraClass('btn-primary'); |
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} |
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} |
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} |
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lekoala /
silverstripe-excel-import-export
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