FEATURE: #1403 - addFieldToTab(), push(), insertBefore(), etc will allow duplicates - the old field is replaced with the new.

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@62211 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2008-09-11 00:02:49 +00:00
parent 635928afad
commit 62414fdfa6
4 changed files with 193 additions and 35 deletions

View File

@ -32,6 +32,7 @@ class CompositeField extends FormField {
$children = is_array(func_get_args()) ? func_get_args() : array();
$this->children = new FieldSet($children);
}
$this->children->setContainerField($this);
Object::__construct();
}
@ -148,13 +149,16 @@ class CompositeField extends FormField {
* Add a new child field to the end of the set.
*/
public function push(FormField $field) {
//$this->rootFieldSet()->removeByName($field->Name());
$this->children->push($field);
}
public function insertBefore($field, $insertBefore) {
//$this->rootFieldSet()->removeByName($field->Name());
return $this->children->insertBefore($field, $insertBefore);
}
public function insertBeforeRecursive($field, $insertBefore, $level = 0) {
//$this->rootFieldSet()->removeByName($field->Name());
return $this->children->insertBeforeRecursive($field, $insertBefore, $level+1);
}
public function removeByName($fieldName) {

View File

@ -17,6 +17,18 @@ class FieldSet extends DataObjectSet {
protected $sequentialSet;
protected $sequentialSaveableSet;
public function __construct($items = null) {
// if the first parameter is not an array, or we have more than one parameter, collate all parameters to an array
// otherwise use the passed array
$itemsArr = (!is_array($items) || count(func_get_args()) > 1) ? func_get_args() : $items;
parent::__construct($itemsArr);
foreach($this->items as $item) {
$item->setContainerFieldSet($this);
}
}
/**
* Return a sequential set of all fields that have data. This excludes wrapper composite fields
* as well as heading / help text fields.
@ -56,10 +68,11 @@ class FieldSet extends DataObjectSet {
/**
* Add an extra field to a tab within this fieldset.
* This is most commonly used when overloading getCMSFields()
* @param tabName The name of the tab or tabset. Subtabs can be referred to as TabSet.Tab or TabSet.Tab.Subtab.
*
* @param string $tabName The name of the tab or tabset. Subtabs can be referred to as TabSet.Tab or TabSet.Tab.Subtab.
* This function will create any missing tabs.
* @param field The {@link FormField} object to add to the end of that tab.
* @param insertBefore The name of the field to insert before. Optional.
* @param FormField $field The {@link FormField} object to add to the end of that tab.
* @param string $insertBefore The name of the field to insert before. Optional.
*/
public function addFieldToTab($tabName, $field, $insertBefore = null) {
// This is a cache that must be flushed
@ -67,14 +80,43 @@ class FieldSet extends DataObjectSet {
// Find the tab
$tab = $this->findOrMakeTab($tabName);
// Add the field to the end of this set
if($insertBefore) $tab->insertBefore($field, $insertBefore);
else $tab->push($field);
}
/**
* Add a number of extra fields to a tab within this fieldset.
* This is most commonly used when overloading getCMSFields()
*
* @param string $tabName The name of the tab or tabset. Subtabs can be referred to as TabSet.Tab or TabSet.Tab.Subtab.
* This function will create any missing tabs.
* @param array $fields An array of {@link FormField} objects.
*/
public function addFieldsToTab($tabName, $fields) {
$this->sequentialSet = null;
// Find the tab
$tab = $this->findOrMakeTab($tabName);
// Add the fields to the end of this set
foreach($fields as $field) {
// Check if a field by the same name exists in this tab
if($tab->fieldByName($field->Name())) {
// It exists, so we need to replace the old one
$this->replaceField($field->Name(), $field);
} else {
$tab->push($field);
}
}
}
/**
* Remove the given field from the given tab in the field.
*
* @param string $tabName The name of the tab
* @param string $fieldName The name of the field
*/
public function removeFieldFromTab($tabName, $fieldName) {
// This is a cache that must be flushed
@ -103,14 +145,14 @@ class FieldSet extends DataObjectSet {
}
/**
* Remove a field from this fieldset by name.
* It musn't be buried in a composite field.--- changed
* It could be buried in a composite field now. --- 5/09/2006
* Remove a field from this FieldSet by Name.
* The field could also be inside a CompositeField.
*
* @param string $fieldName The name of the field
*/
public function removeByName($fieldName) {
foreach($this->items as $i => $child) {
if(is_object($child) && ($child->Name() == $fieldName || $child->Title() == $fieldName)) {
// unset($this->items[$i]);
array_splice( $this->items, $i, 1 );
break;
} else if($child->isComposite()) $child->removeByName($fieldName);
@ -118,23 +160,6 @@ class FieldSet extends DataObjectSet {
}
}
/**
* Add a number of extra fields to a tab within this fieldset.
* This is most commonly used when overloading getCMSFields()
* @param tabName The name of the tab or tabset. Subtabs can be referred to as TabSet.Tab or TabSet.Tab.Subtab.
* This function will create any missing tabs.
* @param fields An array of {@link FormField} objects.
*/
public function addFieldsToTab($tabName, $fields) {
$this->sequentialSet = null;
// Find the tab
$tab = $this->findOrMakeTab($tabName);
// Add the fields to the end of this set
foreach($fields as $field) $tab->push($field);
}
/**
* Replace a single field with another.
*
@ -159,9 +184,9 @@ class FieldSet extends DataObjectSet {
return false;
}
/**
* Returns the specified tab object, creating it if necessary.
*
* @param tabName The tab to return, in the form "Tab.Subtab.Subsubtab"
*/
protected function findOrMakeTab($tabName) {
@ -174,7 +199,7 @@ class FieldSet extends DataObjectSet {
$currentPointer = $currentPointer->fieldByName($part);
// Create any missing tabs
if(!$currentPointer) {
if(is_a($parentPointer,'TabSet')) {
if(is_a($parentPointer, 'TabSet')) {
$currentPointer = new Tab($part);
$parentPointer->push($currentPointer);
} else {
@ -184,7 +209,6 @@ class FieldSet extends DataObjectSet {
}
return $currentPointer;
}
/**
@ -220,7 +244,8 @@ class FieldSet extends DataObjectSet {
* @param string $name Name of the field to insert before
*/
public function insertBefore($item, $name) {
if($this->sequentialSet) $this->sequentialSet = null;
$this->beforeInsert($item);
$item->setContainerFieldSet($this);
$i = 0;
foreach($this->items as $child) {
@ -244,7 +269,9 @@ class FieldSet extends DataObjectSet {
* @param int $level For internal use only, should not be passed
*/
public function insertBeforeRecursive($item, $name, $level = 0) {
if($this->sequentialSet) $this->sequentialSet = null;
$this->beforeInsert($item);
$item->setContainerFieldSet($this);
$i = 0;
foreach($this->items as $child) {
if($name == $child->Name() || $name == $child->id) {
@ -271,7 +298,8 @@ class FieldSet extends DataObjectSet {
* @param string $name Name of the field to insert after
*/
public function insertAfter($item, $name) {
if($this->sequentialSet) $this->sequentialSet = null;
$this->beforeInsert($item);
$item->setContainerFieldSet($this);
$i = 0;
foreach($this->items as $child) {
@ -291,14 +319,24 @@ class FieldSet extends DataObjectSet {
* @param string $key An option array key (field name)
*/
public function push($item, $key = null) {
if($this->sequentialSet) $this->sequentialSet = null;
$this->beforeInsert($item);
$item->setContainerFieldSet($this);
return parent::push($item, $key = null);
}
/**
* Handler method called before the FieldSet is going to be manipulated.
*/
function beforeInsert($item) {
if($this->sequentialSet) $this->sequentialSet = null;
$this->rootFieldSet()->removeByName($item->Name());
}
/**
* Set the Form instance for this FieldSet.
*
* @param Form $form
* @param Form $form The form to set this FieldSet to
*/
public function setForm($form) {
foreach($this as $field) $field->setForm($form);
@ -306,7 +344,8 @@ class FieldSet extends DataObjectSet {
/**
* Load the given data into this form.
* @param data An map of data to load into the FieldSet.
*
* @param data An map of data to load into the FieldSet
*/
public function setValues($data) {
foreach($this->dataFields() as $field) {
@ -347,6 +386,18 @@ class FieldSet extends DataObjectSet {
}
return $newFields;
}
/**
* Returns the root field set that this belongs to
*/
function rootFieldSet() {
if($this->containerField) return $this->containerField->rootFieldSet();
else return $this;
}
function setContainerField($field) {
$this->containerField = $field;
}
/**
* Transforms this FieldSet instance to readonly.

View File

@ -41,6 +41,12 @@ class FormField extends RequestHandlingData {
* @var int
*/
protected $tabIndex;
/**
* Stores a reference to the FieldSet that contains this object.
* @var FieldSet
*/
protected $containerFieldSet;
/**
* @var $readonly boolean
@ -515,6 +521,21 @@ HTML;
return $label;
}
/**
* Set the fieldset that contains this field.
*
* @param FieldSet $containerFieldSet
*/
function setContainerFieldSet($containerFieldSet) {
$this->containerFieldSet = $containerFieldSet;
}
function rootFieldSet() {
return $this->containerFieldSet->rootFieldSet();
if(is_object($this->containerFieldSet)) return $this->containerFieldSet->rootFieldSet();
else user_error("rootFieldSet() called on $this->class object without a containerFieldSet", E_USER_ERROR);
}
// ###################
// DEPRECATED
// ###################

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@ -143,6 +143,26 @@ class FieldSetTest extends SapphireTest {
/* We have 1 field inside our tab */
$this->assertEquals(1, $tab->Fields()->Count());
}
function testReplaceAFieldInADifferentTab() {
/* A FieldSet gets created with a TabSet and some field objects */
$fieldSet = new FieldSet(
new TabSet('Root', $main = new Tab('Main',
new TextField('A'),
new TextField('B')
), $other = new Tab('Other',
new TextField('C'),
new TextField('D')
))
);
/* The field "A" gets added to the FieldSet we just created created */
$fieldSet->addFieldToTab('Root.Other', $newA = new TextField('A', 'New Title'));
/* The field named "A" has been removed from the Main tab to make way for our new field named "A" in Other tab. */
$this->assertEquals(1, $main->Fields()->Count());
$this->assertEquals(3, $other->Fields()->Count());
}
/**
* Test finding a field that's inside a tabset, within another tab.
@ -252,9 +272,71 @@ class FieldSetTest extends SapphireTest {
/* The position of the Title field should be at number 2 */
$this->assertEquals(2, $fields->fieldByName('Title')->Pos());
}
function testRootFieldSet() {
/* Given a nested set of FormField, CompositeField, and FieldSet objects */
$fieldSet = new FieldSet(
$root = new TabSet("Root",
$main = new Tab("Main",
$a = new TextField("A"),
$b = new TextField("B")
)
)
);
/* rootFieldSet() should always evaluate to the same object: the topmost fieldset */
$this->assertSame($fieldSet, $fieldSet->rootFieldSet());
$this->assertSame($fieldSet, $root->rootFieldSet());
$this->assertSame($fieldSet, $main->rootFieldSet());
$this->assertSame($fieldSet, $a->rootFieldSet());
$this->assertSame($fieldSet, $b->rootFieldSet());
/* If we push additional fields, they should also have the same rootFieldSet() */
$root->push($other = new Tab("Other"));
$other->push($c = new TextField("C"));
$root->push($third = new Tab("Third", $d = new TextField("D")));
$this->assertSame($fieldSet, $other->rootFieldSet());
$this->assertSame($fieldSet, $third->rootFieldSet());
$this->assertSame($fieldSet, $c->rootFieldSet());
$this->assertSame($fieldSet, $d->rootFieldSet());
}
function testAddingDuplicateReplacesOldField() {
/* Given a nested set of FormField, CompositeField, and FieldSet objects */
$fieldSet = new FieldSet(
$root = new TabSet("Root",
$main = new Tab("Main",
$a = new TextField("A"),
$b = new TextField("B")
)
)
);
/* Adding new fields of the same names should replace the original fields */
$newA = new TextField("A", "New A");
$newB = new TextField("B", "New B");
$fieldSet->addFieldToTab("Root.Main", $newA);
$fieldSet->addFieldToTab("Root.Other", $newB);
$this->assertSame($newA, $fieldSet->dataFieldByName("A"));
$this->assertSame($newB, $fieldSet->dataFieldByName("B"));
$this->assertEquals(1, $main->Fields()->Count());
/* Pushing fields on the end of the field set should remove them from the tab */
$thirdA = new TextField("A", "Third A");
$thirdB = new TextField("B", "Third B");
$fieldSet->push($thirdA);
$fieldSet->push($thirdB);
$this->assertSame($thirdA, $fieldSet->fieldByName("A"));
$this->assertSame($thirdB, $fieldSet->fieldByName("B"));
$this->assertEquals(0, $main->Fields()->Count());
}
/**
* @TODO test pushing a field replacing an existing one. (duplicate)
* @TODO the same as above with insertBefore() and insertAfter()
*/