mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-31 06:48:02 +02:00
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@39001 467b73ca-7a2a-4603-9d3b-597d59a354a9
154 lines
4.7 KiB
PHP
Executable File
154 lines
4.7 KiB
PHP
Executable File
<?php
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/**
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* RelatedDataEditor puts a "sub-form" into a form that lets you edit a record on the other side of a
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* one-to-many relationship. For example, you could be editing a workshop, and you want to provide fields
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* to edit the client contact for that workshop.
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*
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* RelatedDataEditor inserts a dropdown field and a number of developer-specified additional fields into the
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* system
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*/
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class RelatedDataEditor extends FormField {
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protected $children;
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protected $dropdownField;
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protected $isNested;
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protected $showkeydropdown;
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/**
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* @param name The name of the relationship
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* @param dropdown The values listed in the dropdown
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* @param fields The fields to show
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*/
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function __construct($name, $dropdownField, $fields = null, $dropdownClass = 'relatedDataKey', $showKeyDropdown = true) {
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Requirements::css("sapphire/css/RelatedDataEditor.css");
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parent::__construct($name);
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$this->dropdownField = $dropdownField;
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$this->children = $fields;
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$this->dropdownField->extraClass = $dropdownClass;
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$this->showkeydropdown = $showKeyDropdown;
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}
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function transform(FormTransformation $trans){
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$this->dropdownField->transform($trans);
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if($this->children){
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$children=array();
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foreach($this->children as $child){
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$child = $child->transform($trans);
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$children[] = $child;
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}
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$this->children = $children;
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}
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return $this;
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}
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function IsNested(){
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return $this->isNested;
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}
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function FieldHolder() {
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$fieldName = $this->name . 'ID';
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$relationName = $this->name;
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Profiler::mark("RelatedDataEditor.FieldHolder", "get data");
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$record = $this->form->getRecord();
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$relatedObject = $record->$relationName();
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Profiler::unmark("RelatedDataEditor.FieldHolder", "get data");
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$this->dropdownField->Name = $this->name . '[ID]';
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$this->dropdownField->Value = $record->$fieldName;
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$extraclass = $this->IsNested()?"nested":"";
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$result .= "<div id=\"$this->name\" class=\"$this->class groupfield $extraclass\" >";
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$fieldholder = $this->dropdownField->FieldHolder();
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if($this->showkeydropdown){
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$result .= "<div id=\"{$this->name}_keyholder\" class=\"keyholder\">$fieldholder</div>";
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if($this->children){
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$result .= "<img id=\"{$this->name}_loading\" src=\"cms/images/network-save.gif\" style=\"display: none;\" />";
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$result .= "<img id=\"{$this->name}_loaded\" src=\"cms/images/alert-good.gif\" style=\"display: none;\" />";
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}
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}else{
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$result .= "<div id=\"{$this->name}_keyholder\" class=\"keyholder\" style=\"display: none\">$fieldholder</div>";
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}
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if($this->children){
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$result .= "<div id= \"{$this->name}_childrenholder\" class=\"children_holder\">";
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foreach($this->children as $child) {
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if(!$child->isComposite()){
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$childFieldName = $child->Name();
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$child->Name = $this->name . '[' . $child->Name() . ']';
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if($this->dropdownField->isSelected()) $child->Value = $relatedObject->$childFieldName;
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$child->setForm($this->form);
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$result .= $child->FieldHolder();
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}else{
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$fs = $child->FieldSet();
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foreach($fs as $subfield){
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$childFieldName = $subfield->Name();
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$subfield->Name = $this->name . '[' . $subfield->Name() . ']';
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if($this->dropdownField->isSelected()) $subfield->Value = $relatedObject->$childFieldName;
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$subfield->setForm($this->form);
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}
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$result .= $child->FieldHolder();
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}
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}
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$result .= "<div class=\"clear\"> </div>";
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$result .= "</div>";
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}
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$result .= "</div>";
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return $result;
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}
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function saveInto($record) {
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$fieldName = $this->name . 'ID';
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$relationName = $this->name;
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//If value[newID] exists, this is a newly added related data.
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if($this->value['newID'])
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$this->value['ID']=$this->value['newID'];
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//if value['ID'] == 0, nothing needs to be saved
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if($this->value['ID'] == 0){
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$record->$fieldName = 0;
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return;
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}
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// Set the relation ID and look up the related object from the database
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$record->$fieldName = $this->value['ID'];
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$relatedObject = $record->$relationName();
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$this->compositeSaveInto($relatedObject);
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$relatedID = $relatedObject->write();
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if($relatedID != $this->value['ID']){
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$record->$fieldName = $relatedID;
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}
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}
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/**
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* Smart, "form-like" saveInto, to allow for nested RelatedDataEditors
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*/
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function compositeSaveInto($dataObject) {
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if($this->children) foreach($this->children as $child){
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if($child->isComposite()){
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$dataFields = $child->FieldSet()->dataFields();
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foreach($dataFields as $field) {
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$fieldVal = $this->value[$field->Name()];
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$field->setValue($fieldVal);
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if($field->Name() != "ID") $field->saveInto($dataObject);
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}
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}else{
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$fieldVal = $this->value[$child->Name()];
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$child->setValue($fieldVal);
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if($child->Name() != "ID") $child->saveInto($dataObject);
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}
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}
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}
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}
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?>
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