76 lines
2.7 KiB
PHP
76 lines
2.7 KiB
PHP
<?php
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/**
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* Special ComplexTableField for editing a many_many relation.
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* @package forms
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* @subpackage fields-relational
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*/
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class ManyManyComplexTableField extends HasManyComplexTableField {
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private $manyManyParentClass;
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public $itemClass = 'ManyManyComplexTableField_Item';
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function __construct($controller, $name, $sourceClass, $fieldList, $detailFormFields = null, $sourceFilter = "", $sourceSort = "", $sourceJoin = "") {
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parent::__construct($controller, $name, $sourceClass, $fieldList, $detailFormFields, $sourceFilter, $sourceSort, $sourceJoin);
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$classes = array_reverse(ClassInfo::ancestry($this->controllerClass()));
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foreach($classes as $class) {
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$singleton = singleton($class);
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$manyManyRelations = $singleton->uninherited('many_many', true);
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if(isset($manyManyRelations) && array_key_exists($this->name, $manyManyRelations)) {
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$this->manyManyParentClass = $class;
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$manyManyTable = $class . '_' . $this->name;
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break;
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}
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$belongsManyManyRelations = $singleton->uninherited( 'belongs_many_many', true );
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if( isset( $belongsManyManyRelations ) && array_key_exists( $this->name, $belongsManyManyRelations ) ) {
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$this->manyManyParentClass = $class;
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$manyManyTable = $belongsManyManyRelations[$this->name] . '_' . $this->name;
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break;
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}
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}
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$tableClasses = ClassInfo::dataClassesFor($this->sourceClass);
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$source = array_shift($tableClasses);
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$sourceField = $this->sourceClass;
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if($this->manyManyParentClass == $sourceField)
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$sourceField = 'Child';
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$parentID = $this->controller->ID;
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$this->sourceJoin .= " LEFT JOIN \"$manyManyTable\" ON (\"$source\".\"ID\" = \"{$sourceField}ID\" AND \"{$this->manyManyParentClass}ID\" = '$parentID')";
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$this->joinField = 'Checked';
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}
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function getQuery() {
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$query = parent::getQuery();
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$query->select[] = "IF(`{$this->manyManyParentClass}ID` IS NULL, '0', '1') AS Checked";
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return $query;
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}
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function getParentIdName($parentClass, $childClass) {
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return $this->getParentIdNameRelation($parentClass, $childClass, 'many_many');
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}
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}
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/**
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* One record in a {@link ManyManyComplexTableField}.
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* @package forms
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* @subpackage fields-relational
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*/
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class ManyManyComplexTableField_Item extends ComplexTableField_Item {
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function MarkingCheckbox() {
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$name = $this->parent->Name() . '[]';
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if($this->parent->IsReadOnly)
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return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" disabled=\"disabled\"/>";
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else if($this->item->{$this->parent->joinField})
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return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" checked=\"checked\"/>";
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else
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return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\"/>";
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}
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}
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?>
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