mirror of
https://github.com/silverstripe/silverstripe-reports
synced 2024-10-22 11:05:53 +02:00
d129a22691
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@63294 467b73ca-7a2a-4603-9d3b-597d59a354a9
771 lines
23 KiB
PHP
771 lines
23 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::$db} and {@DataObject::getCMSFields()}
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* to scaffold interfaces "out of the box", while at the same time providing
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* flexibility to customize the default output.
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*
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* Add a route (note - this doc is not currently in sync with the code, need to update)
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* <code>
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* Director::addRules(50, array('admin/mymodel/$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 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 cms
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*/
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abstract class ModelAdmin extends LeftAndMain {
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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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* @var array
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*/
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protected static $managed_models = null;
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public static $allowed_actions = array(
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'add',
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'edit',
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'delete',
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'import',
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'renderimportform',
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'handleList',
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'handleItem',
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'ImportForm'
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);
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/**
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* @param string $collection_controller_class Override for controller class
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*/
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protected static $collection_controller_class = "ModelAdmin_CollectionController";
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/**
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* @param string $collection_controller_class Override for controller class
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*/
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protected static $record_controller_class = "ModelAdmin_RecordController";
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/**
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* Forward control to the default action handler
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*/
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public static $url_handlers = array(
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'$Action' => 'handleAction'
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);
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/**
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* Model object currently in manipulation queue. Used for updating Link to point
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* to the correct generic data object in generated URLs.
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*
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* @var string
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*/
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private $currentModel = false;
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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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* @var array
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*/
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protected 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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* @var int
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*/
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protected static $page_length = 30;
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/**
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* Initialize the model admin interface. Sets up embedded jquery libraries and requisite plugins.
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*
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* @todo remove reliance on urlParams
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*/
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public function init() {
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parent::init();
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// security check for valid models
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if(isset($this->urlParams['Action']) && !in_array($this->urlParams['Action'], $this->getManagedModels())) {
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//user_error('ModelAdmin::init(): Invalid Model class', E_USER_ERROR);
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}
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Requirements::css(CMS_DIR . '/css/ModelAdmin.css'); // standard layout formatting for management UI
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Requirements::css(CMS_DIR . '/css/silverstripe.tabs.css'); // follows the jQuery UI theme conventions
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Requirements::javascript(THIRDPARTY_DIR . '/jquery/jquery.js');
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Requirements::javascript(THIRDPARTY_DIR . '/jquery/plugins/livequery/jquery.livequery.js');
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Requirements::javascript(THIRDPARTY_DIR . '/jquery/ui/ui.core.js');
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Requirements::javascript(THIRDPARTY_DIR . '/jquery/ui/ui.tabs.js');
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Requirements::javascript(THIRDPARTY_DIR . '/jquery/plugins/form/jquery.form.js');
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Requirements::javascript(THIRDPARTY_DIR . '/jquery/plugins/effen/jquery.fn.js');
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Requirements::javascript(THIRDPARTY_DIR . '/jquery/jquery_improvements.js');
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Requirements::javascript(CMS_DIR . '/javascript/ModelAdmin.js');
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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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static function set_page_length($length){
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self::$page_length = $length;
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}
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/**
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* Return the static page_length of the admin, default as 30
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*/
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static function get_page_length(){
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return self::$page_length;
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}
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/**
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* Add mappings for generic form constructors to automatically delegate to a scaffolded form object.
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*/
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function defineMethods() {
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parent::defineMethods();
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foreach($this->getManagedModels() as $ClassName) {
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$this->addWrapperMethod($ClassName, 'bindModelController');
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}
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}
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/**
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* Return default link to this controller. This assfaced method is abstract, so we can't
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* get rid of it.
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*
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* @todo extract full URL binding from Director::addRules so that it's not tied to 'admin/crm'
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* @todo is there a way of removing the dependency on this method from the Form?
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*
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* @return string
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*/
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public function Link() {
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return Controller::join_links(Director::absoluteBaseURL(), 'admin/crm/');
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}
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/**
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* Base scaffolding method for returning a generic model instance.
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*/
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public function bindModelController($model, $request = null) {
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$class = $this->stat('collection_controller_class');
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return new $class($this, $model);
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}
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/**
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* This method can be overloaded to specify the UI by which the search class is chosen.
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*
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* It can create a tab strip or a dropdown. The dropdown is useful when there are a large number of classes.
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* By default, it will show a tabs for 1-3 classes, and a dropdown for 4 or more classes.
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*
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* @return String: 'tabs' or 'dropdown'
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*/
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public function SearchClassSelector() {
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return sizeof($this->getManagedModels()) > 3 ? 'dropdown' : 'tabs';
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}
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/**
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* Allows to choose which record needs to be created.
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*
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* @return Form
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*/
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protected function ManagedModelsSelect() {
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$models = $this->getManagedModels();
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$modelMap = array();
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foreach($models as $modelName) {
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if ($this->hasMethod('alternatePermissionCheck')) {
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if ($this->alternatePermissionCheck()) {
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$modelMap[$modelName] = singleton($modelName)->singular_name();
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}
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}
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else {
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if(singleton($modelName)->canCreate(Member::currentUser())) $modelMap[$modelName] = singleton($modelName)->singular_name();
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}
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}
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$form = new Form(
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$this,
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"ManagedModelsSelect",
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new FieldSet(
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new DropdownField('ClassName', 'Type', $modelMap)
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),
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new FieldSet(
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new FormAction('add', _t('GenericDataAdmin.CREATE'))
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)
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);
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$form->setFormMethod('get');
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return $form;
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}
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/**
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* Generate a CSV import form with an option to select
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* one of the "importable" models specified through {@link self::$model_importers}.
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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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$models = $this->getManagedModels();
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$modelMap = array();
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$importers = $this->getModelImporters();
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if(!$importers) return false;
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foreach($importers as $modelName => $importerClass) {
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$modelMap[$modelName] = singleton($modelName)->singular_name();
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}
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$fields = new FieldSet(
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new DropdownField('ClassName', 'Type', $modelMap),
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new FileField('_CsvFile', false)
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);
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// get HTML specification for each import (column names etc.)
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foreach($importers as $modelName => $importerClass) {
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$importer = new $importerClass($modelName);
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$spec = $importer->getImportSpec();
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$specFields = new DataObjectSet();
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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 DataObjectSet();
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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' => $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}", $specHTML));
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}
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$actions = new FieldSet(
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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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return $form;
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}
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function add($data, $form, $request) {
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$className = $request->requestVar("ClassName");
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return $this->$className()->add($request);
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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 unknown_type $data
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* @param unknown_type $form
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* @param unknown_type $request
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*/
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function import($data, $form, $request) {
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$importers = $this->getModelImporters();
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$importerClass = $importers[$data['ClassName']];
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$loader = new $importerClass($data['ClassName']);
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$results = $loader->load($_FILES['_CsvFile']['tmp_name']);
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$message = '';
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if($results->CreatedCount()) $message .= "Imported " . $results->CreatedCount() . " records. ";
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if($results->UpdatedCount()) $message .= "Updated " . $results->UpdatedCount() . " records. ";
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if($results->DeletedCount()) $message .= "Deleted " . $results->DeletedCount() . " records. ";
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if(!$results->CreatedCount() && !$results->UpdatedCount()) $message .= "Nothing to import";
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Session::setFormMessage('Form_ImportForm', $message, 'good');
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Director::redirect($_SERVER['HTTP_REFERER'] . '#Form_ImportForm_holder');
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}
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/**
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*
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* @uses SearchContext
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* @uses SearchFilter
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* @return Form
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*/
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protected function getSearchForms() {
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$modelClasses = $this->getManagedModels();
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$forms = new DataObjectSet();
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foreach($modelClasses as $modelClass) {
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$this->$modelClass()->SearchForm();
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$forms->push(new ArrayData(array(
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'Form' => $this->$modelClass()->SearchForm(),
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'Title' => singleton($modelClass)->singular_name(),
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'ClassName' => $modelClass,
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)));
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}
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return $forms;
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}
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/**
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* @return array
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*/
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protected function getManagedModels() {
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$models = $this->stat('managed_models');
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if(!count($models)) user_error('ModelAdmin::getManagedModels():
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You need to specify at least one DataObject subclass in protected static $managed_models.
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Make sure the visibility of your property is set to "protected"',
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E_USER_ERROR
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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
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*/
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protected function getModelImporters() {
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$importers = $this->stat('model_importers');
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// fallback to all defined models if not explicitly defined
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if(is_null($importers)) {
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$models = $this->getManagedModels();
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foreach($models as $modelName) $importers[$modelName] = 'CsvBulkLoader';
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}
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return $importers;
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}
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}
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/**
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* Handles a managed model class and provides default collection filtering behavior.
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*
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*/
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class ModelAdmin_CollectionController extends Controller {
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public $parentController;
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protected $modelClass;
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static $url_handlers = array(
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'$Action' => 'handleActionOrID'
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);
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function __construct($parent, $model) {
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$this->parentController = $parent;
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$this->modelClass = $model;
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}
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/**
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* Appends the model class to the URL.
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*
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* @return unknown
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*/
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function Link() {
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return Controller::join_links($this->parentController->Link(), "$this->modelClass");
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}
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/**
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* Return the class name of the model being managed.
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*
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* @return unknown
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*/
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function getModelClass() {
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return $this->modelClass;
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}
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/**
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* Delegate to different control flow, depending on whether the
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* URL parameter is a number (record id) or string (action).
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*
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* @param unknown_type $request
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* @return unknown
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*/
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function handleActionOrID($request) {
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if (is_numeric($request->param('Action'))) {
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return $this->handleID($request);
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} else {
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return $this->handleAction($request);
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}
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}
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/**
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* Delegate to the RecordController if a valid numeric ID appears in the URL
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* segment.
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*
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* @param HTTPRequest $request
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* @return RecordController
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*/
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function handleID($request) {
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$class = $this->parentController->stat('record_controller_class');
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return new $class($this, $request);
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Get a search form for a single {@link DataObject} subclass.
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*
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* @return Form
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*/
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public function SearchForm() {
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$context = singleton($this->modelClass)->getDefaultSearchContext();
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$fields = $context->getSearchFields();
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$columnSelectionField = $this->ColumnSelectionField();
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$fields->push($columnSelectionField);
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$form = new Form($this, "SearchForm",
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$fields,
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new FieldSet(
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new FormAction('search', _t('MemberTableField.SEARCH')),
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$clearAction = new ResetFormAction('clearsearch', _t('ModelAdmin.CLEAR_SEARCH','Clear Search'))
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)
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);
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//$form->setFormAction(Controller::join_links($this->Link(), "search"));
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$form->setFormMethod('get');
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$form->setHTMLID("Form_SearchForm_" . $this->modelClass);
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$clearAction->useButtonTag = true;
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$clearAction->addExtraClass('minorAction');
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return $form;
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}
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/**
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* Give the flexibilility to show variouse combination of columns in the search result table
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*/
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public function ColumnSelectionField() {
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$model = singleton($this->modelClass);
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$source = $model->summaryFields();
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$value = array();
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if($source) foreach ($source as $fieldName => $label){
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$value[] = $fieldName;
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}
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// Reorder the source so that you read items down the column and then across
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$columnisedSource = array();
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$keys = array_keys($source);
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$midPoint = ceil(sizeof($source)/2);
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for($i=0;$i<$midPoint;$i++) {
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$key1 = $keys[$i];
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$columnisedSource[$key1] = $source[$key1];
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// If there are an odd number of items, the last item will be unset
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if(isset($keys[$i+$midPoint])) {
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$key2 = $keys[$i+$midPoint];
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$columnisedSource[$key2] = $source[$key2];
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}
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}
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$checkboxes = new CheckboxSetField("ResultAssembly", false, $columnisedSource, $value);
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$field = new CompositeField(
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new LiteralField(
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"ToggleResultAssemblyLink",
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sprintf("<a class=\"form_frontend_function toggle_result_assembly\" href=\"#\">%s</a>",
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_t('ModelAdmin.CHOOSE_COLUMNS', 'Select result columns...')
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)
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),
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$checkboxesBlock = new CompositeField(
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$checkboxes,
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new LiteralField("ClearDiv", "<div class=\"clear\"></div>"),
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new LiteralField("TickAllAssemblyLink","<a class=\"form_frontend_function tick_all_result_assembly\" href=\"#\">select all</a>"),
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new LiteralField("UntickAllAssemblyLink","<a class=\"form_frontend_function untick_all_result_assembly\" href=\"#\">select none</a>")
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)
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);
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$field -> setExtraClass("ResultAssemblyBlock");
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$checkboxesBlock -> setExtraClass("hidden");
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return $field;
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}
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/**
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* Action to render a data object collection, using the model context to provide filters
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* and paging.
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*
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* @return string
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*/
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function search($request, $form) {
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// Get the results form to be rendered
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$resultsForm = $this->ResultsForm($form->getData());
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// Before rendering, let's get the total number of results returned
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$tableField = $resultsForm->Fields()->fieldByName($this->modelClass);
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$numResults = $tableField->TotalCount();
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if($numResults) {
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return new HTTPResponse($resultsForm->forTemplate(), 200, "Your search found $numResults matching items");
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} else {
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return new HTTPResponse($resultsForm->forTemplate(), 404, "Your search didn't return any matching items");
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}
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}
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/**
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* Gets the search query generated on the SearchContext from
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* {@link DataObject::getDefaultSearchContext()},
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* and the current GET parameters on the request.
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*
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* @return SQLQuery
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*/
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function getSearchQuery($searchCriteria) {
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$context = singleton($this->modelClass)->getDefaultSearchContext();
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return $context->getQuery($searchCriteria);
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}
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function getResultColumns($searchCriteria) {
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$model = singleton($this->modelClass);
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$summaryFields = $model->summaryFields();
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$resultAssembly = $searchCriteria['ResultAssembly'];
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|
if(!is_array($resultAssembly)) {
|
|
$explodedAssembly = split(' *, *', $resultAssembly);
|
|
$resultAssembly = array();
|
|
foreach($explodedAssembly as $item) $resultAssembly[$item] = true;
|
|
}
|
|
|
|
return array_intersect_key($summaryFields, $resultAssembly);
|
|
}
|
|
|
|
/**
|
|
* Shows results from the "search" action in a TableListField.
|
|
*
|
|
* @return Form
|
|
*/
|
|
function ResultsForm($searchCriteria) {
|
|
if($searchCriteria instanceof HTTPRequest) $searchCriteria = $searchCriteria->getVars();
|
|
$summaryFields = $this->getResultColumns($searchCriteria);
|
|
|
|
$tf = new TableListField(
|
|
$this->modelClass,
|
|
$this->modelClass,
|
|
$summaryFields
|
|
);
|
|
$tf->setCustomQuery($this->getSearchQuery($searchCriteria));
|
|
$tf->setPageSize($this->parentController->stat('page_length'));
|
|
$tf->setShowPagination(true);
|
|
// @todo Remove records that can't be viewed by the current user
|
|
$tf->setPermissions(array_merge(array('view','export'), TableListField::permissions_for_object($this->modelClass)));
|
|
$url = '<a href=\"' . $this->Link() . '/$ID/edit\">$value</a>';
|
|
$tf->setFieldFormatting(array_combine(array_keys($summaryFields), array_fill(0,count($summaryFields), $url)));
|
|
|
|
// implemented as a form to enable further actions on the resultset
|
|
// (serverside sorting, export as CSV, etc)
|
|
$form = new Form(
|
|
$this,
|
|
'ResultsForm',
|
|
new FieldSet(
|
|
new HeaderField(_t('ModelAdmin.SEARCHRESULTS','Search Results'), 2),
|
|
$tf
|
|
),
|
|
new FieldSet()
|
|
);
|
|
|
|
// Include the search criteria on the results form URL, but not dodgy variables like those below
|
|
$filteredCriteria = $searchCriteria;
|
|
unset($filteredCriteria['ctf']);
|
|
unset($filteredCriteria['url']);
|
|
unset($filteredCriteria['action_search']);
|
|
$form->setFormAction($this->Link() . '/ResultsForm?' . http_build_query($filteredCriteria));
|
|
return $form;
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* Create a new model record.
|
|
*
|
|
* @param unknown_type $request
|
|
* @return unknown
|
|
*/
|
|
function add($request) {
|
|
return new HTTPResponse($this->AddForm()->forAjaxTemplate(), 200, "Fill out this form to add a $this->modelClass to the database.");
|
|
}
|
|
|
|
/**
|
|
* Returns a form for editing the attached model
|
|
*/
|
|
public function AddForm() {
|
|
$newRecord = new $this->modelClass();
|
|
if($newRecord->hasMethod('getCMSAddFormFields')) {
|
|
$fields = $newRecord->getCMSAddFormFields();
|
|
} else {
|
|
$fields = $newRecord->getCMSFields();
|
|
}
|
|
|
|
$validator = ($newRecord->hasMethod('getCMSValidator')) ? $newRecord->getCMSValidator() : null;
|
|
|
|
$actions = new FieldSet(new FormAction("doCreate", "Add"));
|
|
|
|
$form = new Form($this, "AddForm", $fields, $actions, $validator);
|
|
|
|
return $form;
|
|
}
|
|
|
|
function doCreate($data, $form, $request) {
|
|
$className = $this->getModelClass();
|
|
$model = new $className();
|
|
// We write before saveInto, since this will let us save has-many and many-many relationships :-)
|
|
$model->write();
|
|
$form->saveInto($model);
|
|
$model->write();
|
|
|
|
Director::redirect(Controller::join_links($this->Link(), $model->ID , 'edit'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handles operations on a single record from a managed model.
|
|
*
|
|
* @todo change the parent controller varname to indicate the model scaffolding functionality in ModelAdmin
|
|
*/
|
|
class ModelAdmin_RecordController extends Controller {
|
|
protected $parentController;
|
|
protected $currentRecord;
|
|
|
|
static $allowed_actions = array('edit', 'view', 'EditForm', 'ViewForm');
|
|
|
|
function __construct($parentController, $request) {
|
|
$this->parentController = $parentController;
|
|
$modelName = $parentController->getModelClass();
|
|
$recordID = $request->param('Action');
|
|
$this->currentRecord = DataObject::get_by_id($modelName, $recordID);
|
|
}
|
|
|
|
/**
|
|
* Link fragment - appends the current record ID to the URL.
|
|
*
|
|
*/
|
|
function Link() {
|
|
return Controller::join_links($this->parentController->Link(), "/{$this->currentRecord->ID}");
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* Edit action - shows a form for editing this record
|
|
*/
|
|
function edit($request) {
|
|
if ($this->currentRecord) {
|
|
if(Director::is_ajax()) {
|
|
return new HTTPResponse($this->EditForm()->forAjaxTemplate(), 200, "Loaded '" . $this->currentRecord->Title . "' for editing.");
|
|
} else {
|
|
// This is really quite ugly; to fix will require a change in the way that customise() works. :-(
|
|
return $this->parentController->parentController->customise(array(
|
|
'Right' => $this->parentController->parentController->customise(array(
|
|
'EditForm' => $this->EditForm()
|
|
))->renderWith('ModelAdmin_right')
|
|
))->renderWith(array('ModelAdmin','LeftAndMain'));
|
|
return ;
|
|
}
|
|
} else {
|
|
return "I can't find that item";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a form for editing the attached model
|
|
*/
|
|
public function EditForm() {
|
|
$fields = $this->currentRecord->getCMSFields();
|
|
$fields->push(new HiddenField("ID"));
|
|
|
|
$validator = ($this->currentRecord->hasMethod('getCMSValidator')) ? $this->currentRecord->getCMSValidator() : null;
|
|
|
|
$actions = new FieldSet(
|
|
new FormAction("doSave", "Save")
|
|
);
|
|
|
|
if($this->currentRecord->canDelete(Member::currentUser())) {
|
|
$actions->insertFirst($deleteAction = new FormAction('doDelete', 'Delete'));
|
|
$deleteAction->addExtraClass('delete');
|
|
}
|
|
|
|
$actions->insertFirst(new FormAction("goBack", "Back"));
|
|
|
|
$form = new Form($this, "EditForm", $fields, $actions, $validator);
|
|
$form->loadDataFrom($this->currentRecord);
|
|
|
|
return $form;
|
|
}
|
|
|
|
/**
|
|
* Postback action to save a record
|
|
*
|
|
* @param array $data
|
|
* @param Form $form
|
|
* @param HTTPRequest $request
|
|
* @return mixed
|
|
*/
|
|
function doSave($data, $form, $request) {
|
|
$form->saveInto($this->currentRecord);
|
|
$this->currentRecord->write();
|
|
|
|
// Behaviour switched on ajax.
|
|
if(Director::is_ajax()) {
|
|
return $this->edit($request);
|
|
} else {
|
|
Director::redirectBack();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Delete the current record
|
|
*/
|
|
public function doDelete($data, $form, $request) {
|
|
if($this->currentRecord->canDelete(Member::currentUser())) {
|
|
$this->currentRecord->delete();
|
|
Director::redirect($this->parentController->Link());
|
|
}
|
|
else Director::redirectBack();
|
|
return;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* Renders the record view template.
|
|
*
|
|
* @param HTTPRequest $request
|
|
* @return mixed
|
|
*/
|
|
function view($request) {
|
|
if ($this->currentRecord) {
|
|
$form = $this->ViewForm();
|
|
return $form->forAjaxTemplate();
|
|
} else {
|
|
return "I can't find that item";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a form for viewing the attached model
|
|
*
|
|
* @return Form
|
|
*/
|
|
public function ViewForm() {
|
|
$fields = $this->currentRecord->getCMSFields();
|
|
$form = new Form($this, "EditForm", $fields, new FieldSet());
|
|
$form->loadDataFrom($this->currentRecord);
|
|
$form->makeReadonly();
|
|
return $form;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
function index() {
|
|
Director::redirect(Controller::join_links($this->Link(), 'edit'));
|
|
}
|
|
|
|
}
|
|
|
|
?>
|