silverstripe-framework/forms/CompositeField.php

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<?php
/**
* Base class for all fields that contain other fields.
* Implements sequentialisation - so that when we're saving / loading data, we can populate
* a tabbed form properly. All of the children are stored in $this->children
*/
class CompositeField extends FormField {
protected $children;
/**
* Set to true when this field is a readonly field
*/
protected $readonly;
/**
* @var $columnCount int Toggle different css-rendering for multiple columns
* ("onecolumn", "twocolumns", "threecolumns"). The content is determined
* by the $children-array, so wrap all items you want to have grouped in a
* column inside a CompositeField.
* Caution: Please make sure that this variable actually matches the
* count of your $children.
*/
protected $columnCount = null;
public function __construct($children = null) {
if(is_a($children, 'FieldSet')) {
$this->children = $children;
} elseif(is_array($children)) {
$this->children = new FieldSet($children);
} else {
$children = is_array(func_get_args()) ? func_get_args() : array();
$this->children = new FieldSet($children);
}
Object::__construct();
}
/**
* Returns all the sub-fields, suitable for <% control FieldSet %>
*/
public function FieldSet() {
return $this->children;
}
public function setID($id) {
$this->id = $id;
}
public function Field() {
return $this->FieldHolder();
}
/**
* Returns the fields nested inside another DIV
*/
function FieldHolder() {
$fs = $this->FieldSet();
$idAtt = isset($this->id) ? " id=\"{$this->id}\"" : '';
$className = ($this->columnCount) ? "field CompositeField {$this->extraClass()} multicolumn" : "field CompositeField {$this->extraClass()}";
$content = "<div class=\"$className\"$idAtt>\n";
foreach($fs as $subfield) {
if($this->columnCount) {
$className = "column{$this->columnCount}";
if(!next($fs)) $className .= " lastcolumn";
$content .= "\n<div class=\"{$className}\">\n" . $subfield->FieldHolder() . "\n</div>\n";
} else if($subfield){
$content .= "\n" . $subfield->FieldHolder() . "\n";
}
}
$content .= "</div>\n";
return $content;
}
/**
* Returns the fields in the restricted field holder inside a DIV.
*/
function SmallFieldHolder() {//return $this->FieldHolder();
$fs = $this->FieldSet();
$idAtt = isset($this->id) ? " id=\"{$this->id}\"" : '';
$className = ($this->columnCount) ? "field CompositeField {$this->extraClass()} multicolumn" : "field CompositeField {$this->extraClass()}";
$content = "<div class=\"$className\"$idAtt>";
foreach($fs as $subfield) {//echo ' subf'.$subfield->Name();
if($this->columnCount) {
$className = "column{$this->columnCount}";
if(!next($fs)) $className .= " lastcolumn";
$content .= "<div class=\"{$className}\">" . $subfield->FieldHolder() . "</div>";
} else if($subfield){
$content .= $subfield->SmallFieldHolder() . " ";
}
}
$content .= "</div>";
return $content;
}
/**
* Add all of the non-composite fields contained within this field to the list.
* Sequentialisation is used when connecting the form to its data source
*/
public function collateDataFields(&$list) {
foreach($this->children as $field) {
if(is_object($field)) {
if($field->isComposite()) $field->collateDataFields($list);
if($field->hasData()) {
$name = $field->Name();
if($name) {
$formName = (isset($this->form)) ? $this->form->FormName() : '(unknown form)';
if(isset($list[$name])) user_error("collateDataFields() I noticed that a field called '$name' appears twice in your form: '{$formName}'. One is a '{$field->class}' and the other is a '{$list[$name]->class}'", E_USER_ERROR);
$list[$name] = $field;
}
}
}
}
}
function setForm($form) {
foreach($this->children as $f) if(is_object($f)) $f->setForm($form);
parent::setForm($form);
}
function setColumnCount($columnCount) {
$this->columnCount = $columnCount;
}
function isComposite() { return true; }
function hasData() { return false; }
/**
* Add a new child field to the end of the set.
*/
public function push(FormField $field) {
$this->children->push($field);
}
public function insertBefore($field, $insertBefore) {
return $this->children->insertBefore($field, $insertBefore);
}
public function insertBeforeRecursive($field, $insertBefore, $level = 0) {
return $this->children->insertBeforeRecursive($field, $insertBefore, $level+1);
}
public function removeByName($fieldName) {
$this->children->removeByName($fieldName);
}
public function replaceField($fieldName, $newField) {
return $this->children->replaceField($fieldName, $newField);
}
/**
* Return a readonly version of this field. Keeps the composition but returns readonly
* versions of all the children
*/
public function performReadonlyTransformation() {
$newChildren = new FieldSet();
foreach($this->children as $idx => $child) {
if(is_object($child)) $child = $child->transform(new ReadonlyTransformation());
$newChildren->push($child, $idx);
}
$this->children = $newChildren;
$this->readonly = true;
return $this;
}
/**
* Return a readonly version of this field. Keeps the composition but returns readonly
* versions of all the children
*/
public function performDisabledTransformation($trans) {
$newChildren = new FieldSet();
if($this->children) foreach($this->children as $idx => $child) {
if(is_object($child)) {
$child = $child->transform($trans);
}
$newChildren->push($child, $idx);
}
$this->children = $newChildren;
$this->readonly = true;
return $this;
}
switch externals to trunk. Inform-merge: from the changeset: r32477: Merge 2.0-inform from trunk previously r32478: Merge 2.0-inform from trunk previously r32481: merge 2.0infom with lastes chunk r32483: merge 2.0infom with lastes chunk r33526: Final styling of all forms and combined communication form add/alter javascript for height adjustment of First / Second block r33580: styling for combined form communication in myinfom pages r33706: styling of combined form (communication) in Email r33881: made compatible to $extraClass r33885: added defaultVal r33887: fixed typo r34728: modified SmallFieldHolder?() r34729: added "validationError"-class r34914: WIP3866: Factfinder: Hide "self emplyed" block r34964: Change current plan upto TraumaInsurance? r35038: disabled friggin field focus r35230: #1032 Fixed hash-link insertion r35887: conditionally setting parameters in sourceID() - to avoid empty overrides r35892: Saving value in SQL-compatible format (YYYY-MM-DD instead of DD/MM/YYYY), with fallback for non-sql values (just passed through without conversion) r35928: Removed "create a" from PageType?-dropdown, sorting alphabetically, falling back to $singular_name r35990: branched off for membertablefield r35994: fix for membertablefield r36024: added array-condition needed for DMYDateField r36083: fix bug for compositeField -> dropDatalessField r36394: removed debug code r36826: change wrong indent format r36828: WIP 4262: Logging out of My Inform goes to blank page r36858: Fixed error caused in r12472 while merging to Session-class r37132: Merged partial changesets from branches/2.0-nzct, only adding childID to detailform when not in add-mode r40815: add an unsubscribe record when a member subscribe a newslettertype r41113: fix the bug described in http://support.silverstripe.com/info/ticket/31: CRM not showing search results r43226: fixed search (partial merge from trunk) r43268: merged createNewPassword() from trunk, was referencing a non-existinent global function randomString() git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@45473 467b73ca-7a2a-4603-9d3b-597d59a354a9
2007-11-23 02:10:19 +01:00
/**
* Return a readonly version of this field. Keeps the composition but returns readonly
* versions of all the children
*/
public function dropDatalessField() {
$newChildren = new FieldSet();
foreach($this->children as $idx => $child) {
if(is_object($child)){
if(get_class($child)=='HeaderField'||get_class($child)=='LabelField'||get_class($child)=='TableListField'||is_subclass_of($child, 'TableListField')||get_class($field)=='SelectionGroup'||is_subclass_of($field, 'SelectionGroup')){
$newChildren->push($child, $idx);
}elseif($child->isComposite()){
$newChildren->push($child->dropDatalessField());
}elseif((get_class($child)!='DatalessField'&&!is_subclass_of($child, 'DatalessField'))){
if($this->hasClass('Undropable')||$child->Value()!==NULL){
$newChildren->push($child, $idx);
}
}
}elseif(is_array($child)){
foreach($child as $idx=>$subChild){
if(is_object($subChild)){
if($subChild->isComposite){
$newChildren->push($subChild->dropDatalessField());
}
}
}
}
}
$this->children = $newChildren;
return $this;
}
function IsReadonly() {
return $this->readonly;
}
function debug() {
$result = "$this->class ($this->name) <ul>";
foreach($this->children as $child) {
$result .= "<li>" . Debug::text($child) . "&nbsp;</li>";
}
$result .= "</ul>";
return $result;
}
function validate($validator){
$valid = true;
foreach($this->children as $idx => $child){
$valid = ($child->validate($validator) && $valid);
}
return $valid;
}
}
?>