mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-07-02 17:39:30 +02:00
ddcfcf7bed
Cleanup of framework's use of @package and @subpackage labels and additional of labels for classes missing packages. Moved all GridField related components to the one name. Countless spelling fixes, grammar for other comments. Link ClassName references in file headers.
494 lines
14 KiB
PHP
494 lines
14 KiB
PHP
<?php
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/**
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* Generates a three-pane UI for editing model classes,
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* with an automatically generated search panel, tabular results
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* and edit forms.
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* Relies on data such as {@link DataObject::$db} and {@DataObject::getCMSFields()}
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* to scaffold interfaces "out of the box", while at the same time providing
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* flexibility to customize the default output.
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*
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* Add a route
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* <code>
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* Director::config()->rules = array(array('admin/mymodel/$Class/$Action/$ID' => 'MyModelAdmin'));
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* </code>
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*
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* @todo saving logic (should mostly use Form->saveInto() and iterate over relations)
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* @todo ajax form loading and saving
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* @todo ajax result display
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* @todo relation formfield scaffolding (one tab per relation) - relations don't have DBField sublclasses, we do
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* we define the scaffold defaults. can be ComplexTableField instances for a start.
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* @todo has_many/many_many relation autocomplete field (HasManyComplexTableField doesn't work well with larger
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* datasets)
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*
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* Long term TODOs:
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* @todo Hook into RESTful interface on DataObjects (yet to be developed)
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* @todo Permission control via datamodel and Form class
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*
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* @uses SearchContext
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*
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* @package framework
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* @subpackage admin
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*/
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abstract class ModelAdmin extends LeftAndMain {
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private static $url_rule = '/$ModelClass/$Action';
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/**
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* List of all managed {@link DataObject}s in this interface.
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*
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* Simple notation with class names only:
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* <code>
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* array('MyObjectClass','MyOtherObjectClass')
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* </code>
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*
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* Extended notation with options (e.g. custom titles):
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* <code>
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* array(
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* 'MyObjectClass' => array('title' => "Custom title")
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* )
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* </code>
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*
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* Available options:
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* - 'title': Set custom titles for the tabs or dropdown names
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*
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* @config
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* @var array|string
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*/
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private static $managed_models = null;
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/**
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* Override menu_priority so that ModelAdmin CMSMenu objects
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* are grouped together directly above the Help menu item.
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* @var float
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*/
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private static $menu_priority = -0.5;
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private static $menu_icon = 'framework/admin/images/menu-icons/16x16/db.png';
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private static $allowed_actions = array(
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'ImportForm',
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'SearchForm',
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);
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private static $url_handlers = array(
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'$ModelClass/$Action' => 'handleAction'
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);
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/**
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* @var String
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*/
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protected $modelClass;
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/**
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* Change this variable if you don't want the Import from CSV form to appear.
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* This variable can be a boolean or an array.
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* If array, you can list className you want the form to appear on. i.e. array('myClassOne','myClasstwo')
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*/
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public $showImportForm = true;
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/**
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* List of all {@link DataObject}s which can be imported through
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* a subclass of {@link BulkLoader} (mostly CSV data).
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* By default {@link CsvBulkLoader} is used, assuming a standard mapping
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* of column names to {@link DataObject} properties/relations.
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*
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* e.g. "BlogEntry" => "BlogEntryCsvBulkLoader"
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*
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* @config
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* @var array
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*/
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private static $model_importers = null;
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/**
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* Amount of results showing on a single page.
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*
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* @config
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* @var int
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*/
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private static $page_length = 30;
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/**
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* Initialize the model admin interface. Sets up embedded jquery libraries and requisite plugins.
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*/
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public function init() {
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parent::init();
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$models = $this->getManagedModels();
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if($this->request->param('ModelClass')) {
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$this->modelClass = $this->unsanitiseClassName($this->request->param('ModelClass'));
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} else {
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reset($models);
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$this->modelClass = key($models);
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}
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// security check for valid models
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if(!array_key_exists($this->modelClass, $models)) {
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user_error('ModelAdmin::init(): Invalid Model class', E_USER_ERROR);
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}
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Requirements::javascript(FRAMEWORK_ADMIN_DIR . '/javascript/ModelAdmin.js');
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}
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public function Link($action = null) {
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if(!$action) $action = $this->sanitiseClassName($this->modelClass);
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return parent::Link($action);
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}
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public function getEditForm($id = null, $fields = null) {
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$list = $this->getList();
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$exportButton = new GridFieldExportButton('before');
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$exportButton->setExportColumns($this->getExportFields());
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$listField = GridField::create(
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$this->sanitiseClassName($this->modelClass),
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false,
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$list,
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$fieldConfig = GridFieldConfig_RecordEditor::create($this->stat('page_length'))
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->addComponent($exportButton)
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->removeComponentsByType('GridFieldFilterHeader')
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->addComponents(new GridFieldPrintButton('before'))
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);
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// Validation
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if(singleton($this->modelClass)->hasMethod('getCMSValidator')) {
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$detailValidator = singleton($this->modelClass)->getCMSValidator();
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$listField->getConfig()->getComponentByType('GridFieldDetailForm')->setValidator($detailValidator);
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}
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$form = new Form(
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$this,
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'EditForm',
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new FieldList($listField),
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new FieldList()
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);
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$form->addExtraClass('cms-edit-form cms-panel-padded center');
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$form->setTemplate($this->getTemplatesWithSuffix('_EditForm'));
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$editFormAction = Controller::join_links($this->Link($this->sanitiseClassName($this->modelClass)), 'EditForm');
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$form->setFormAction($editFormAction);
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$form->setAttribute('data-pjax-fragment', 'CurrentForm');
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$this->extend('updateEditForm', $form);
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return $form;
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}
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/**
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* Define which fields are used in the {@link getEditForm} GridField export.
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* By default, it uses the summary fields from the model definition.
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*
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* @return array
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*/
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public function getExportFields() {
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return singleton($this->modelClass)->summaryFields();
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}
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/**
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* @return SearchContext
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*/
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public function getSearchContext() {
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$context = singleton($this->modelClass)->getDefaultSearchContext();
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// Namespace fields, for easier detection if a search is present
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foreach($context->getFields() as $field) $field->setName(sprintf('q[%s]', $field->getName()));
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foreach($context->getFilters() as $filter) $filter->setFullName(sprintf('q[%s]', $filter->getFullName()));
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$this->extend('updateSearchContext', $context);
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return $context;
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}
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/**
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* @return Form
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*/
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public function SearchForm() {
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$context = $this->getSearchContext();
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$form = new Form($this, "SearchForm",
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$context->getSearchFields(),
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new FieldList(
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Object::create('FormAction', 'search', _t('MemberTableField.APPLY FILTER', 'Apply Filter'))
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->setUseButtonTag(true)->addExtraClass('ss-ui-action-constructive'),
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Object::create('ResetFormAction','clearsearch', _t('ModelAdmin.RESET','Reset'))
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->setUseButtonTag(true)
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),
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new RequiredFields()
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);
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$form->setFormMethod('get');
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$form->setFormAction($this->Link($this->sanitiseClassName($this->modelClass)));
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$form->addExtraClass('cms-search-form');
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$form->disableSecurityToken();
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$form->loadDataFrom($this->request->getVars());
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$this->extend('updateSearchForm', $form);
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return $form;
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}
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public function getList() {
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$context = $this->getSearchContext();
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$params = $this->request->requestVar('q');
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$list = $context->getResults($params);
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$this->extend('updateList', $list);
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return $list;
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}
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/**
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* Returns managed models' create, search, and import forms
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* @uses SearchContext
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* @uses SearchFilter
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* @return SS_List of forms
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*/
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protected function getManagedModelTabs() {
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$models = $this->getManagedModels();
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$forms = new ArrayList();
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foreach($models as $class => $options) {
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$forms->push(new ArrayData(array (
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'Title' => $options['title'],
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'ClassName' => $class,
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'Link' => $this->Link($this->sanitiseClassName($class)),
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'LinkOrCurrent' => ($class == $this->modelClass) ? 'current' : 'link'
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)));
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}
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return $forms;
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}
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/**
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* Sanitise a model class' name for inclusion in a link
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* @return string
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*/
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protected function sanitiseClassName($class) {
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return str_replace('\\', '-', $class);
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}
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/**
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* Unsanitise a model class' name from a URL param
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* @return string
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*/
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protected function unsanitiseClassName($class) {
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return str_replace('-', '\\', $class);
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}
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/**
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* @return array Map of class name to an array of 'title' (see {@link $managed_models})
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*/
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public function getManagedModels() {
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$models = $this->stat('managed_models');
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if(is_string($models)) {
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$models = array($models);
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}
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if(!count($models)) {
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user_error(
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'ModelAdmin::getManagedModels():
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You need to specify at least one DataObject subclass in public static $managed_models.
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Make sure that this property is defined, and that its visibility is set to "public"',
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E_USER_ERROR
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);
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}
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// Normalize models to have their model class in array key
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foreach($models as $k => $v) {
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if(is_numeric($k)) {
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$models[$v] = array('title' => singleton($v)->i18n_singular_name());
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unset($models[$k]);
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}
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}
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return $models;
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}
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/**
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* Returns all importers defined in {@link self::$model_importers}.
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* If none are defined, we fall back to {@link self::managed_models}
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* with a default {@link CsvBulkLoader} class. In this case the column names of the first row
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* in the CSV file are assumed to have direct mappings to properties on the object.
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*
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* @return array Map of model class names to importer instances
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*/
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public function getModelImporters() {
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$importerClasses = $this->stat('model_importers');
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// fallback to all defined models if not explicitly defined
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if(is_null($importerClasses)) {
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$models = $this->getManagedModels();
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foreach($models as $modelName => $options) {
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$importerClasses[$modelName] = 'CsvBulkLoader';
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}
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}
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$importers = array();
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foreach($importerClasses as $modelClass => $importerClass) {
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$importers[$modelClass] = new $importerClass($modelClass);
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}
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return $importers;
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}
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/**
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* Generate a CSV import form for a single {@link DataObject} subclass.
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*
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* @return Form
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*/
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public function ImportForm() {
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$modelName = $this->modelClass;
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// check if a import form should be generated
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if(!$this->showImportForm || (is_array($this->showImportForm) && !in_array($modelName,$this->showImportForm))) {
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return false;
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}
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$importers = $this->getModelImporters();
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if(!$importers || !isset($importers[$modelName])) return false;
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if(!singleton($modelName)->canCreate(Member::currentUser())) return false;
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$fields = new FieldList(
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new HiddenField('ClassName', _t('ModelAdmin.CLASSTYPE'), $modelName),
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new FileField('_CsvFile', false)
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);
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// get HTML specification for each import (column names etc.)
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$importerClass = $importers[$modelName];
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$importer = new $importerClass($modelName);
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$spec = $importer->getImportSpec();
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$specFields = new ArrayList();
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foreach($spec['fields'] as $name => $desc) {
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$specFields->push(new ArrayData(array('Name' => $name, 'Description' => $desc)));
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}
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$specRelations = new ArrayList();
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foreach($spec['relations'] as $name => $desc) {
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$specRelations->push(new ArrayData(array('Name' => $name, 'Description' => $desc)));
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}
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$specHTML = $this->customise(array(
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'ModelName' => Convert::raw2att($modelName),
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'Fields' => $specFields,
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'Relations' => $specRelations,
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))->renderWith('ModelAdmin_ImportSpec');
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$fields->push(new LiteralField("SpecFor{$modelName}", $specHTML));
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$fields->push(
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new CheckboxField('EmptyBeforeImport', _t('ModelAdmin.EMPTYBEFOREIMPORT', 'Replace data'),
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false)
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);
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$actions = new FieldList(
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new FormAction('import', _t('ModelAdmin.IMPORT', 'Import from CSV'))
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);
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$form = new Form(
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$this,
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"ImportForm",
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$fields,
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$actions
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);
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$form->setFormAction(
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Controller::join_links($this->Link($this->sanitiseClassName($this->modelClass)), 'ImportForm')
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);
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$this->extend('updateImportForm', $form);
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return $form;
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}
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/**
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* Imports the submitted CSV file based on specifications given in
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* {@link self::model_importers}.
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* Redirects back with a success/failure message.
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*
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* @todo Figure out ajax submission of files via jQuery.form plugin
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*
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* @param array $data
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* @param Form $form
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* @param SS_HTTPRequest $request
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*/
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public function import($data, $form, $request) {
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if(!$this->showImportForm || (is_array($this->showImportForm)
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&& !in_array($this->modelClass,$this->showImportForm))) {
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return false;
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}
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$importers = $this->getModelImporters();
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$loader = $importers[$this->modelClass];
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// File wasn't properly uploaded, show a reminder to the user
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if(
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empty($_FILES['_CsvFile']['tmp_name']) ||
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file_get_contents($_FILES['_CsvFile']['tmp_name']) == ''
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) {
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$form->sessionMessage(_t('ModelAdmin.NOCSVFILE', 'Please browse for a CSV file to import'), 'good');
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$this->redirectBack();
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return false;
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}
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if (!empty($data['EmptyBeforeImport']) && $data['EmptyBeforeImport']) { //clear database before import
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$loader->deleteExistingRecords = true;
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}
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$results = $loader->load($_FILES['_CsvFile']['tmp_name']);
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$message = '';
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if($results->CreatedCount()) $message .= _t(
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'ModelAdmin.IMPORTEDRECORDS', "Imported {count} records.",
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array('count' => $results->CreatedCount())
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);
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if($results->UpdatedCount()) $message .= _t(
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'ModelAdmin.UPDATEDRECORDS', "Updated {count} records.",
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array('count' => $results->UpdatedCount())
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);
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if($results->DeletedCount()) $message .= _t(
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'ModelAdmin.DELETEDRECORDS', "Deleted {count} records.",
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array('count' => $results->DeletedCount())
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);
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if(!$results->CreatedCount() && !$results->UpdatedCount()) {
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$message .= _t('ModelAdmin.NOIMPORT', "Nothing to import");
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}
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$form->sessionMessage($message, 'good');
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$this->redirectBack();
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}
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/**
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* @return ArrayList
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*/
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public function Breadcrumbs($unlinked = false) {
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$items = parent::Breadcrumbs($unlinked);
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// Show the class name rather than ModelAdmin title as root node
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$models = $this->getManagedModels();
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$params = $this->request->getVars();
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if(isset($params['url'])) unset($params['url']);
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$items[0]->Title = $models[$this->modelClass]['title'];
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$items[0]->Link = Controller::join_links(
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$this->Link($this->sanitiseClassName($this->modelClass)),
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'?' . http_build_query($params)
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);
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return $items;
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}
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/**
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* overwrite the static page_length of the admin panel,
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* should be called in the project _config file.
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*
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* @deprecated 3.1 Use "ModelAdmin.page_length" config setting
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*/
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public static function set_page_length($length){
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Deprecation::notice('3.2', 'Use "ModelAdmin.page_length" config setting');
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self::config()->page_length = $length;
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}
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/**
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* Return the static page_length of the admin, default as 30
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*
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* @deprecated 3.1 Use "ModelAdmin.page_length" config setting
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*/
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public static function get_page_length(){
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Deprecation::notice('3.2', 'Use "ModelAdmin.page_length" config setting');
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return self::config()->page_length;
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}
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}
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