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https://github.com/silverstripe/silverstripe-framework
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Conflicts: .travis.yml README.md admin/code/LeftAndMain.php admin/css/screen.css admin/scss/screen.scss api/RestfulService.php conf/ConfigureFromEnv.php control/injector/ServiceConfigurationLocator.php control/injector/SilverStripeServiceConfigurationLocator.php core/ClassInfo.php core/Object.php css/AssetUploadField.css css/ComplexTableField_popup.css dev/CSSContentParser.php dev/DevelopmentAdmin.php docs/en/changelogs/index.md docs/en/misc/contributing/code.md docs/en/reference/execution-pipeline.md filesystem/GD.php filesystem/ImagickBackend.php filesystem/Upload.php forms/Form.php forms/FormField.php forms/HtmlEditorConfig.php forms/gridfield/GridFieldDetailForm.php forms/gridfield/GridFieldSortableHeader.php lang/en.yml model/Aggregate.php model/DataList.php model/DataObject.php model/DataQuery.php model/Image.php model/MySQLDatabase.php model/SQLQuery.php model/fieldtypes/HTMLText.php model/fieldtypes/Text.php scss/AssetUploadField.scss search/filters/SearchFilter.php security/Authenticator.php security/LoginForm.php security/Member.php security/MemberAuthenticator.php security/MemberLoginForm.php security/Security.php tests/behat/features/bootstrap/SilverStripe/Framework/Test/Behaviour/CmsFormsContext.php tests/control/HTTPTest.php tests/control/RequestHandlingTest.php tests/filesystem/UploadTest.php tests/forms/FormTest.php tests/forms/NumericFieldTest.php tests/model/DataListTest.php tests/model/DataObjectTest.php tests/model/TextTest.php tests/security/MemberAuthenticatorTest.php tests/security/SecurityDefaultAdminTest.php tests/view/SSViewerCacheBlockTest.php tests/view/SSViewerTest.php
1275 lines
39 KiB
PHP
1275 lines
39 KiB
PHP
<?php
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/**
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* This tracks the current scope for an SSViewer instance. It has three goals:
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* - Handle entering & leaving sub-scopes in loops and withs
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* - Track Up and Top
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* - (As a side effect) Inject data that needs to be available globally (used to live in ViewableData)
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*
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* In order to handle up, rather than tracking it using a tree, which would involve constructing new objects
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* for each step, we use indexes into the itemStack (which already has to exist).
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*
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* Each item has three indexes associated with it
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*
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* - Pop. Which item should become the scope once the current scope is popped out of
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* - Up. Which item is up from this item
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* - Current. Which item is the first time this object has appeared in the stack
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*
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* We also keep the index of the current starting point for lookups. A lookup is a sequence of obj calls -
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* when in a loop or with tag the end result becomes the new scope, but for injections, we throw away the lookup
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* and revert back to the original scope once we've got the value we're after
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*
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* @package framework
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* @subpackage view
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*/
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class SSViewer_Scope {
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// The stack of previous "global" items
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// And array of item, itemIterator, itemIteratorTotal, pop_index, up_index, current_index
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private $itemStack = array();
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// The current "global" item (the one any lookup starts from)
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protected $item;
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// If we're looping over the current "global" item, here's the iterator that tracks with item we're up to
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protected $itemIterator;
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//Total number of items in the iterator
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protected $itemIteratorTotal;
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// A pointer into the item stack for which item should be scope on the next pop call
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private $popIndex;
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// A pointer into the item stack for which item is "up" from this one
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private $upIndex = null;
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// A pointer into the item stack for which item is this one (or null if not in stack yet)
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private $currentIndex = null;
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private $localIndex;
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public function __construct($item, $inheritedScope = null) {
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$this->item = $item;
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$this->localIndex = 0;
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$this->localStack = array();
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if ($inheritedScope instanceof SSViewer_Scope) {
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$this->itemIterator = $inheritedScope->itemIterator;
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$this->itemIteratorTotal = $inheritedScope->itemIteratorTotal;
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$this->itemStack[] = array($this->item, $this->itemIterator, $this->itemIteratorTotal, null, null, 0);
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} else {
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$this->itemStack[] = array($this->item, null, 0, null, null, 0);
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}
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}
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public function getItem(){
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return $this->itemIterator ? $this->itemIterator->current() : $this->item;
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}
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/** Called at the start of every lookup chain by SSTemplateParser to indicate a new lookup from local scope */
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public function locally() {
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list($this->item, $this->itemIterator, $this->itemIteratorTotal, $this->popIndex, $this->upIndex,
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$this->currentIndex) = $this->itemStack[$this->localIndex];
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// Remember any un-completed (resetLocalScope hasn't been called) lookup chain. Even if there isn't an
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// un-completed chain we need to store an empty item, as resetLocalScope doesn't know the difference later
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$this->localStack[] = array_splice($this->itemStack, $this->localIndex+1);
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return $this;
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}
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public function resetLocalScope(){
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$previousLocalState = $this->localStack ? array_pop($this->localStack) : null;
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array_splice($this->itemStack, $this->localIndex+1, count($this->itemStack), $previousLocalState);
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list($this->item, $this->itemIterator, $this->itemIteratorTotal, $this->popIndex, $this->upIndex,
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$this->currentIndex) = end($this->itemStack);
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}
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public function getObj($name, $arguments = null, $forceReturnedObject = true, $cache = false, $cacheName = null) {
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$on = $this->itemIterator ? $this->itemIterator->current() : $this->item;
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return $on->obj($name, $arguments, $forceReturnedObject, $cache, $cacheName);
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}
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public function obj($name, $arguments = null, $forceReturnedObject = true, $cache = false, $cacheName = null) {
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switch ($name) {
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case 'Up':
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if ($this->upIndex === null) {
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user_error('Up called when we\'re already at the top of the scope', E_USER_ERROR);
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}
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list($this->item, $this->itemIterator, $this->itemIteratorTotal, $unused2, $this->upIndex,
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$this->currentIndex) = $this->itemStack[$this->upIndex];
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break;
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case 'Top':
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list($this->item, $this->itemIterator, $this->itemIteratorTotal, $unused2, $this->upIndex,
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$this->currentIndex) = $this->itemStack[0];
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break;
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default:
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$this->item = $this->getObj($name, $arguments, $forceReturnedObject, $cache, $cacheName);
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$this->itemIterator = null;
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$this->upIndex = $this->currentIndex ? $this->currentIndex : count($this->itemStack)-1;
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$this->currentIndex = count($this->itemStack);
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break;
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}
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$this->itemStack[] = array($this->item, $this->itemIterator, $this->itemIteratorTotal, null,
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$this->upIndex, $this->currentIndex);
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return $this;
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}
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/**
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* Gets the current object and resets the scope.
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*
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* @return object
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*/
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public function self() {
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$result = $this->itemIterator ? $this->itemIterator->current() : $this->item;
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$this->resetLocalScope();
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return $result;
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}
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public function pushScope(){
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$newLocalIndex = count($this->itemStack)-1;
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$this->popIndex = $this->itemStack[$newLocalIndex][3] = $this->localIndex;
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$this->localIndex = $newLocalIndex;
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// We normally keep any previous itemIterator around, so local $Up calls reference the right element. But
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// once we enter a new global scope, we need to make sure we use a new one
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$this->itemIterator = $this->itemStack[$newLocalIndex][1] = null;
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return $this;
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}
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public function popScope(){
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$this->localIndex = $this->popIndex;
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$this->resetLocalScope();
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return $this;
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}
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public function next(){
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if (!$this->item) return false;
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if (!$this->itemIterator) {
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if (is_array($this->item)) $this->itemIterator = new ArrayIterator($this->item);
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else $this->itemIterator = $this->item->getIterator();
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$this->itemStack[$this->localIndex][1] = $this->itemIterator;
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$this->itemIteratorTotal = iterator_count($this->itemIterator); //count the total number of items
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$this->itemStack[$this->localIndex][2] = $this->itemIteratorTotal;
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$this->itemIterator->rewind();
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}
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else {
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$this->itemIterator->next();
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}
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$this->resetLocalScope();
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if (!$this->itemIterator->valid()) return false;
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return $this->itemIterator->key();
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}
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public function __call($name, $arguments) {
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$on = $this->itemIterator ? $this->itemIterator->current() : $this->item;
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$retval = $on ? call_user_func_array(array($on, $name), $arguments) : null;
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$this->resetLocalScope();
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return $retval;
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}
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}
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/**
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* Defines an extra set of basic methods that can be used in templates
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* that are not defined on sub-classes of {@link ViewableData}.
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*
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* @package framework
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* @subpackage view
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*/
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class SSViewer_BasicIteratorSupport implements TemplateIteratorProvider {
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protected $iteratorPos;
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protected $iteratorTotalItems;
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public static function get_template_iterator_variables() {
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return array(
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'First',
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'Last',
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'FirstLast',
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'Middle',
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'MiddleString',
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'Even',
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'Odd',
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'EvenOdd',
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'Pos',
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'TotalItems',
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'Modulus',
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'MultipleOf',
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);
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}
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/**
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* Set the current iterator properties - where we are on the iterator.
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*
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* @param int $pos position in iterator
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* @param int $totalItems total number of items
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*/
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public function iteratorProperties($pos, $totalItems) {
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$this->iteratorPos = $pos;
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$this->iteratorTotalItems = $totalItems;
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}
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/**
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* Returns true if this object is the first in a set.
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*
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* @return bool
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*/
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public function First() {
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return $this->iteratorPos == 0;
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}
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/**
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* Returns true if this object is the last in a set.
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*
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* @return bool
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*/
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public function Last() {
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return $this->iteratorPos == $this->iteratorTotalItems - 1;
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}
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/**
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* Returns 'first' or 'last' if this is the first or last object in the set.
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*
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* @return string|null
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*/
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public function FirstLast() {
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if($this->First() && $this->Last()) return 'first last';
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if($this->First()) return 'first';
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if($this->Last()) return 'last';
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}
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/**
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* Return true if this object is between the first & last objects.
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*
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* @return bool
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*/
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public function Middle() {
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return !$this->First() && !$this->Last();
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}
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/**
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* Return 'middle' if this object is between the first & last objects.
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*
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* @return string|null
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*/
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public function MiddleString() {
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if($this->Middle()) return 'middle';
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}
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/**
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* Return true if this object is an even item in the set.
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* The count starts from $startIndex, which defaults to 1.
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*
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* @param int $startIndex Number to start count from.
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* @return bool
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*/
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public function Even($startIndex = 1) {
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return !$this->Odd($startIndex);
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}
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/**
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* Return true if this is an odd item in the set.
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*
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* @param int $startIndex Number to start count from.
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* @return bool
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*/
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public function Odd($startIndex = 1) {
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return (bool) (($this->iteratorPos+$startIndex) % 2);
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}
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/**
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* Return 'even' or 'odd' if this object is in an even or odd position in the set respectively.
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*
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* @param int $startIndex Number to start count from.
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* @return string
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*/
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public function EvenOdd($startIndex = 1) {
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return ($this->Even($startIndex)) ? 'even' : 'odd';
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}
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/**
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* Return the numerical position of this object in the container set. The count starts at $startIndex.
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* The default is the give the position using a 1-based index.
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*
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* @param int $startIndex Number to start count from.
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* @return int
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*/
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public function Pos($startIndex = 1) {
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return $this->iteratorPos + $startIndex;
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}
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/**
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* Return the total number of "sibling" items in the dataset.
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*
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* @return int
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*/
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public function TotalItems() {
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return $this->iteratorTotalItems;
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}
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/**
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* Returns the modulus of the numerical position of the item in the data set.
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* The count starts from $startIndex, which defaults to 1.
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* @param int $Mod The number to perform Mod operation to.
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* @param int $startIndex Number to start count from.
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* @return int
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*/
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public function Modulus($mod, $startIndex = 1) {
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return ($this->iteratorPos + $startIndex) % $mod;
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}
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/**
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* Returns true or false depending on if the pos of the iterator is a multiple of a specific number.
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* So, <% if MultipleOf(3) %> would return true on indexes: 3,6,9,12,15, etc.
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* The count starts from $offset, which defaults to 1.
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* @param int $factor The multiple of which to return
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* @param int $offset Number to start count from.
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* @return bool
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*/
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public function MultipleOf($factor, $offset = 1) {
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return (bool) ($this->Modulus($factor, $offset) == 0);
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}
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}
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/**
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* This extends SSViewer_Scope to mix in data on top of what the item provides. This can be "global"
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* data that is scope-independant (like BaseURL), or type-specific data that is layered on top cross-cut like
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* (like $FirstLast etc).
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*
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* It's separate from SSViewer_Scope to keep that fairly complex code as clean as possible.
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*
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* @package framework
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* @subpackage view
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*/
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class SSViewer_DataPresenter extends SSViewer_Scope {
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private static $globalProperties = null;
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private static $iteratorProperties = null;
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/**
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* Overlay variables. Take precedence over anything from the current scope
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* @var array|null
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*/
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protected $overlay;
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/**
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* Underlay variables. Concede precedence to overlay variables or anything from the current scope
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* @var array|null
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*/
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protected $underlay;
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public function __construct($item, $overlay = null, $underlay = null, $inheritedScope = null) {
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parent::__construct($item, $inheritedScope);
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// Build up global property providers array only once per request
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if (self::$globalProperties === null) {
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self::$globalProperties = array();
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// Get all the exposed variables from all classes that implement the TemplateGlobalProvider interface
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$this->createCallableArray(self::$globalProperties, "TemplateGlobalProvider",
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"get_template_global_variables");
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}
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// Build up iterator property providers array only once per request
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if (self::$iteratorProperties === null) {
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self::$iteratorProperties = array();
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// Get all the exposed variables from all classes that implement the TemplateIteratorProvider interface
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// //call non-statically
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$this->createCallableArray(self::$iteratorProperties, "TemplateIteratorProvider",
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"get_template_iterator_variables", true);
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}
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$this->overlay = $overlay ? $overlay : array();
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$this->underlay = $underlay ? $underlay : array();
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}
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protected function createCallableArray(&$extraArray, $interfaceToQuery, $variableMethod, $createObject = false) {
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$implementers = ClassInfo::implementorsOf($interfaceToQuery);
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if($implementers) foreach($implementers as $implementer) {
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// Create a new instance of the object for method calls
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if ($createObject) $implementer = new $implementer();
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// Get the exposed variables
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$exposedVariables = call_user_func(array($implementer, $variableMethod));
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foreach($exposedVariables as $varName => $details) {
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if (!is_array($details)) $details = array('method' => $details,
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'casting' => Config::inst()->get('ViewableData', 'default_cast', Config::FIRST_SET));
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// If just a value (and not a key => value pair), use it for both key and value
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if (is_numeric($varName)) $varName = $details['method'];
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// Add in a reference to the implementing class (might be a string class name or an instance)
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$details['implementer'] = $implementer;
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// And a callable array
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if (isset($details['method'])) $details['callable'] = array($implementer, $details['method']);
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// Save with both uppercase & lowercase first letter, so either works
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$lcFirst = strtolower($varName[0]) . substr($varName,1);
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$extraArray[$lcFirst] = $details;
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$extraArray[ucfirst($varName)] = $details;
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}
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}
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}
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public function getInjectedValue($property, $params, $cast = true) {
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$on = $this->itemIterator ? $this->itemIterator->current() : $this->item;
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// Find the source of the value
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$source = null;
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// Check for a presenter-specific override
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if (array_key_exists($property, $this->overlay)) {
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$source = array('value' => $this->overlay[$property]);
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}
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// Check if the method to-be-called exists on the target object - if so, don't check any further
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// injection locations
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else if (isset($on->$property) || method_exists($on, $property)) {
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$source = null;
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}
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// Check for a presenter-specific override
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else if (array_key_exists($property, $this->underlay)) {
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$source = array('value' => $this->underlay[$property]);
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}
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// Then for iterator-specific overrides
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else if (array_key_exists($property, self::$iteratorProperties)) {
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$source = self::$iteratorProperties[$property];
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if ($this->itemIterator) {
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// Set the current iterator position and total (the object instance is the first item in
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// the callable array)
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$source['implementer']->iteratorProperties($this->itemIterator->key(), $this->itemIteratorTotal);
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} else {
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// If we don't actually have an iterator at the moment, act like a list of length 1
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$source['implementer']->iteratorProperties(0, 1);
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}
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}
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// And finally for global overrides
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else if (array_key_exists($property, self::$globalProperties)) {
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$source = self::$globalProperties[$property]; //get the method call
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}
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if ($source) {
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$res = array();
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// Look up the value - either from a callable, or from a directly provided value
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if (isset($source['callable'])) $res['value'] = call_user_func_array($source['callable'], $params);
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elseif (isset($source['value'])) $res['value'] = $source['value'];
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else throw new InvalidArgumentException("Injected property $property does't have a value or callable " .
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"value source provided");
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// If we want to provide a casted object, look up what type object to use
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if ($cast) {
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// If the handler returns an object, then we don't need to cast.
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if(is_object($res['value'])) {
|
|
$res['obj'] = $res['value'];
|
|
} else {
|
|
// Get the object to cast as
|
|
$casting = isset($source['casting']) ? $source['casting'] : null;
|
|
|
|
// If not provided, use default
|
|
if (!$casting) $casting = Config::inst()->get('ViewableData', 'default_cast', Config::FIRST_SET);
|
|
|
|
$obj = new $casting($property);
|
|
$obj->setValue($res['value']);
|
|
|
|
$res['obj'] = $obj;
|
|
}
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
|
|
}
|
|
|
|
public function getObj($name, $arguments = null, $forceReturnedObject = true, $cache = false, $cacheName = null) {
|
|
$result = $this->getInjectedValue($name, (array)$arguments);
|
|
if($result) return $result['obj'];
|
|
else return parent::getObj($name, $arguments, $forceReturnedObject, $cache, $cacheName);
|
|
}
|
|
|
|
public function __call($name, $arguments) {
|
|
//extract the method name and parameters
|
|
$property = $arguments[0]; //the name of the public function being called
|
|
|
|
//the public function parameters in an array
|
|
if (isset($arguments[1]) && $arguments[1] != null) $params = $arguments[1];
|
|
else $params = array();
|
|
|
|
$hasInjected = $res = null;
|
|
|
|
if ($name == 'hasValue') {
|
|
if ($val = $this->getInjectedValue($property, $params, false)) {
|
|
$hasInjected = true; $res = (bool)$val['value'];
|
|
}
|
|
}
|
|
else { // XML_val
|
|
if ($val = $this->getInjectedValue($property, $params)) {
|
|
$hasInjected = true;
|
|
$obj = $val['obj'];
|
|
$res = $obj->forTemplate();
|
|
}
|
|
}
|
|
|
|
if ($hasInjected) {
|
|
$this->resetLocalScope();
|
|
return $res;
|
|
}
|
|
else {
|
|
return parent::__call($name, $arguments);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Parses a template file with an *.ss file extension.
|
|
*
|
|
* In addition to a full template in the templates/ folder, a template in
|
|
* templates/Content or templates/Layout will be rendered into $Content and
|
|
* $Layout, respectively.
|
|
*
|
|
* A single template can be parsed by multiple nested {@link SSViewer} instances
|
|
* through $Layout/$Content placeholders, as well as <% include MyTemplateFile %> template commands.
|
|
*
|
|
* <b>Themes</b>
|
|
*
|
|
* See http://doc.silverstripe.org/themes and http://doc.silverstripe.org/themes:developing
|
|
*
|
|
* <b>Caching</b>
|
|
*
|
|
* Compiled templates are cached via {@link SS_Cache}, usually on the filesystem.
|
|
* If you put ?flush=1 on your URL, it will force the template to be recompiled.
|
|
*
|
|
* @see http://doc.silverstripe.org/themes
|
|
* @see http://doc.silverstripe.org/themes:developing
|
|
*
|
|
* @package framework
|
|
* @subpackage view
|
|
*/
|
|
class SSViewer implements Flushable {
|
|
|
|
/**
|
|
* @config
|
|
* @var boolean $source_file_comments
|
|
*/
|
|
private static $source_file_comments = false;
|
|
|
|
/**
|
|
* @ignore
|
|
*/
|
|
private static $template_cache_flushed = false;
|
|
|
|
/**
|
|
* @ignore
|
|
*/
|
|
private static $cacheblock_cache_flushed = false;
|
|
|
|
/**
|
|
* Set whether HTML comments indicating the source .SS file used to render this page should be
|
|
* included in the output. This is enabled by default
|
|
*
|
|
* @deprecated 3.2 Use the "SSViewer.source_file_comments" config setting instead
|
|
* @param boolean $val
|
|
*/
|
|
public static function set_source_file_comments($val) {
|
|
Deprecation::notice('3.2', 'Use the "SSViewer.source_file_comments" config setting instead');
|
|
Config::inst()->update('SSViewer', 'source_file_comments', $val);
|
|
}
|
|
|
|
/**
|
|
* @deprecated 3.2 Use the "SSViewer.source_file_comments" config setting instead
|
|
* @return boolean
|
|
*/
|
|
public static function get_source_file_comments() {
|
|
Deprecation::notice('3.2', 'Use the "SSViewer.source_file_comments" config setting instead');
|
|
return Config::inst()->get('SSViewer', 'source_file_comments');
|
|
}
|
|
|
|
/**
|
|
* @var array $chosenTemplates Associative array for the different
|
|
* template containers: "main" and "Layout". Values are absolute file paths to *.ss files.
|
|
*/
|
|
private $chosenTemplates = array();
|
|
|
|
/**
|
|
* @var boolean
|
|
*/
|
|
protected $rewriteHashlinks = true;
|
|
|
|
/**
|
|
* @config
|
|
* @var string The used "theme", which usually consists of templates, images and stylesheets.
|
|
* Only used when {@link $theme_enabled} is set to TRUE.
|
|
*/
|
|
private static $theme = null;
|
|
|
|
/**
|
|
* @config
|
|
* @var boolean Use the theme. Set to FALSE in order to disable themes,
|
|
* which can be useful for scenarios where theme overrides are temporarily undesired,
|
|
* such as an administrative interface separate from the website theme.
|
|
* It retains the theme settings to be re-enabled, for example when a website content
|
|
* needs to be rendered from within this administrative interface.
|
|
*/
|
|
private static $theme_enabled = true;
|
|
|
|
/**
|
|
* @var boolean
|
|
*/
|
|
protected $includeRequirements = true;
|
|
|
|
/**
|
|
* @var TemplateParser
|
|
*/
|
|
protected $parser;
|
|
|
|
/*
|
|
* Default prepended cache key for partial caching
|
|
*
|
|
* @var string
|
|
* @config
|
|
*/
|
|
private static $global_key = '$CurrentReadingMode, $CurrentUser.ID';
|
|
|
|
/**
|
|
* Triggered early in the request when someone requests a flush.
|
|
*/
|
|
public static function flush() {
|
|
self::flush_template_cache(true);
|
|
self::flush_cacheblock_cache(true);
|
|
}
|
|
|
|
/**
|
|
* Create a template from a string instead of a .ss file
|
|
*
|
|
* @param string $content The template content
|
|
* @param bool|void $cacheTemplate Whether or not to cache the template from string
|
|
* @return SSViewer
|
|
*/
|
|
public static function fromString($content, $cacheTemplate = null) {
|
|
$viewer = new SSViewer_FromString($content);
|
|
if ($cacheTemplate !== null) {
|
|
$viewer->setCacheTemplate($cacheTemplate);
|
|
}
|
|
return $viewer;
|
|
}
|
|
|
|
/**
|
|
* @deprecated 3.2 Use the "SSViewer.theme" config setting instead
|
|
* @param string $theme The "base theme" name (without underscores).
|
|
*/
|
|
public static function set_theme($theme) {
|
|
Deprecation::notice('3.2', 'Use the "SSViewer.theme" config setting instead');
|
|
Config::inst()->update('SSViewer', 'theme', $theme);
|
|
}
|
|
|
|
/**
|
|
* @deprecated 3.2 Use the "SSViewer.theme" config setting instead
|
|
* @return string
|
|
*/
|
|
public static function current_theme() {
|
|
Deprecation::notice('3.2', 'Use the "SSViewer.theme" config setting instead');
|
|
return Config::inst()->get('SSViewer', 'theme');
|
|
}
|
|
|
|
/**
|
|
* Returns the path to the theme folder
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function get_theme_folder() {
|
|
$theme = Config::inst()->get('SSViewer', 'theme');
|
|
return $theme ? THEMES_DIR . "/" . $theme : project();
|
|
}
|
|
|
|
/**
|
|
* Returns an array of theme names present in a directory.
|
|
*
|
|
* @param string $path
|
|
* @param bool $subthemes Include subthemes (default false).
|
|
* @return array
|
|
*/
|
|
public static function get_themes($path = null, $subthemes = false) {
|
|
$path = rtrim($path ? $path : THEMES_PATH, '/');
|
|
$themes = array();
|
|
|
|
if (!is_dir($path)) return $themes;
|
|
|
|
foreach (scandir($path) as $item) {
|
|
if ($item[0] != '.' && is_dir("$path/$item")) {
|
|
if ($subthemes || strpos($item, '_') === false) {
|
|
$themes[$item] = $item;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $themes;
|
|
}
|
|
|
|
/**
|
|
* @return string
|
|
*/
|
|
public static function current_custom_theme(){
|
|
Deprecation::notice('3.2', 'Use the "SSViewer.theme" and "SSViewer.theme_enabled" config settings instead');
|
|
return Config::inst()->get('SSViewer', 'theme_enabled') ? Config::inst()->get('SSViewer', 'theme') : null;
|
|
}
|
|
|
|
/**
|
|
* Traverses the given the given class context looking for templates with the relevant name.
|
|
*
|
|
* @param $className string - valid class name
|
|
* @param $suffix string
|
|
* @param $baseClass string
|
|
*
|
|
* @return array
|
|
*/
|
|
public static function get_templates_by_class($className, $suffix = '', $baseClass = null) {
|
|
// Figure out the class name from the supplied context.
|
|
if(!is_string($className) || !class_exists($className)) {
|
|
throw new InvalidArgumentException('SSViewer::get_templates_by_class() expects a valid class name as ' .
|
|
'its first parameter.');
|
|
return array();
|
|
}
|
|
$templates = array();
|
|
$classes = array_reverse(ClassInfo::ancestry($className));
|
|
foreach($classes as $class) {
|
|
$template = $class . $suffix;
|
|
if(SSViewer::hasTemplate($template)) $templates[] = $template;
|
|
|
|
// If the class is "Page_Controller", look for Page.ss
|
|
if(stripos($class,'_controller') !== false) {
|
|
$template = str_ireplace('_controller','',$class) . $suffix;
|
|
if(SSViewer::hasTemplate($template)) $templates[] = $template;
|
|
}
|
|
|
|
if($baseClass && $class == $baseClass) break;
|
|
}
|
|
return $templates;
|
|
}
|
|
|
|
/**
|
|
* @param string|array $templateList If passed as a string with .ss extension, used as the "main" template.
|
|
* If passed as an array, it can be used for template inheritance (first found template "wins").
|
|
* Usually the array values are PHP class names, which directly correlate to template names.
|
|
* <code>
|
|
* array('MySpecificPage', 'MyPage', 'Page')
|
|
* </code>
|
|
*/
|
|
public function __construct($templateList, TemplateParser $parser = null) {
|
|
$this->setParser($parser ?: Injector::inst()->get('SSTemplateParser'));
|
|
|
|
if(!is_array($templateList) && substr((string) $templateList,-3) == '.ss') {
|
|
$this->chosenTemplates['main'] = $templateList;
|
|
} else {
|
|
if(Config::inst()->get('SSViewer', 'theme_enabled')) {
|
|
$theme = Config::inst()->get('SSViewer', 'theme');
|
|
} else {
|
|
$theme = null;
|
|
}
|
|
$this->chosenTemplates = SS_TemplateLoader::instance()->findTemplates(
|
|
$templateList, $theme
|
|
);
|
|
}
|
|
|
|
if(!$this->chosenTemplates) {
|
|
$templateList = (is_array($templateList)) ? $templateList : array($templateList);
|
|
|
|
user_error(
|
|
"None of these templates can be found in theme '"
|
|
. Config::inst()->get('SSViewer', 'theme') . "': "
|
|
. implode(".ss, ", $templateList) . ".ss",
|
|
E_USER_WARNING
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the template parser that will be used in template generation
|
|
* @param \TemplateParser $parser
|
|
*/
|
|
public function setParser(TemplateParser $parser)
|
|
{
|
|
$this->parser = $parser;
|
|
}
|
|
|
|
/**
|
|
* Returns the parser that is set for template generation
|
|
* @return \TemplateParser
|
|
*/
|
|
public function getParser()
|
|
{
|
|
return $this->parser;
|
|
}
|
|
|
|
/**
|
|
* Returns true if at least one of the listed templates exists.
|
|
*
|
|
* @param array $templates
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public static function hasTemplate($templates) {
|
|
$manifest = SS_TemplateLoader::instance()->getManifest();
|
|
|
|
if(Config::inst()->get('SSViewer', 'theme_enabled')) {
|
|
$theme = Config::inst()->get('SSViewer', 'theme');
|
|
} else {
|
|
$theme = null;
|
|
}
|
|
|
|
foreach ((array) $templates as $template) {
|
|
if ($manifest->getCandidateTemplate($template, $theme)) return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Set a global rendering option.
|
|
*
|
|
* The following options are available:
|
|
* - rewriteHashlinks: If true (the default), <a href="#..."> will be rewritten to contain the
|
|
* current URL. This lets it play nicely with our <base> tag.
|
|
* - If rewriteHashlinks = 'php' then, a piece of PHP script will be inserted before the hash
|
|
* links: "<?php echo $_SERVER['REQUEST_URI']; ?>". This is useful if you're generating a
|
|
* page that will be saved to a .php file and may be accessed from different URLs.
|
|
*
|
|
* @deprecated 3.2 Use the "SSViewer.rewrite_hash_links" config setting instead
|
|
* @param string $optionName
|
|
* @param mixed $optionVal
|
|
*/
|
|
public static function setOption($optionName, $optionVal) {
|
|
if($optionName == 'rewriteHashlinks') {
|
|
Deprecation::notice('3.2', 'Use the "SSViewer.rewrite_hash_links" config setting instead');
|
|
Config::inst()->update('SSViewer', 'rewrite_hash_links', $optionVal);
|
|
} else {
|
|
Deprecation::notice('3.2', 'Use the "SSViewer.' . $optionName . '" config setting instead');
|
|
Config::inst()->update('SSViewer', $optionName, $optionVal);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @deprecated 3.2 Use the "SSViewer.rewrite_hash_links" config setting instead
|
|
* @param string
|
|
* @return mixed
|
|
*/
|
|
public static function getOption($optionName) {
|
|
if($optionName == 'rewriteHashlinks') {
|
|
Deprecation::notice('3.2', 'Use the "SSViewer.rewrite_hash_links" config setting instead');
|
|
return Config::inst()->get('SSViewer', 'rewrite_hash_links');
|
|
} else {
|
|
Deprecation::notice('3.2', 'Use the "SSViewer.' . $optionName . '" config setting instead');
|
|
return Config::inst()->get('SSViewer', $optionName);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @config
|
|
* @var boolean
|
|
*/
|
|
private static $rewrite_hash_links = true;
|
|
|
|
protected static $topLevel = array();
|
|
|
|
public static function topLevel() {
|
|
if(SSViewer::$topLevel) {
|
|
return SSViewer::$topLevel[sizeof(SSViewer::$topLevel)-1];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Call this to disable rewriting of <a href="#xxx"> links. This is useful in Ajax applications.
|
|
* It returns the SSViewer objects, so that you can call new SSViewer("X")->dontRewriteHashlinks()->process();
|
|
*/
|
|
public function dontRewriteHashlinks() {
|
|
$this->rewriteHashlinks = false;
|
|
Config::inst()->update('SSViewer', 'rewrite_hash_links', false);
|
|
return $this;
|
|
}
|
|
|
|
public function exists() {
|
|
return $this->chosenTemplates;
|
|
}
|
|
|
|
/**
|
|
* @param string $identifier A template name without '.ss' extension or path
|
|
* @param string $type The template type, either "main", "Includes" or "Layout"
|
|
*
|
|
* @return string Full system path to a template file
|
|
*/
|
|
public static function getTemplateFileByType($identifier, $type) {
|
|
$loader = SS_TemplateLoader::instance();
|
|
if(Config::inst()->get('SSViewer', 'theme_enabled')) {
|
|
$theme = Config::inst()->get('SSViewer', 'theme');
|
|
} else {
|
|
$theme = null;
|
|
}
|
|
$found = $loader->findTemplates("$type/$identifier", $theme);
|
|
|
|
if (isset($found['main'])) {
|
|
return $found['main'];
|
|
}
|
|
else if (!empty($found)) {
|
|
$founds = array_values($found);
|
|
return $founds[0];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clears all parsed template files in the cache folder.
|
|
*
|
|
* Can only be called once per request (there may be multiple SSViewer instances).
|
|
*
|
|
* @param bool $force Set this to true to force a re-flush. If left to false, flushing
|
|
* may only be performed once a request.
|
|
*/
|
|
public static function flush_template_cache($force = false) {
|
|
if (!self::$template_cache_flushed || $force) {
|
|
$dir = dir(TEMP_FOLDER);
|
|
while (false !== ($file = $dir->read())) {
|
|
if (strstr($file, '.cache')) unlink(TEMP_FOLDER . '/' . $file);
|
|
}
|
|
self::$template_cache_flushed = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clears all partial cache blocks.
|
|
*
|
|
* Can only be called once per request (there may be multiple SSViewer instances).
|
|
*
|
|
* @param bool $force Set this to true to force a re-flush. If left to false, flushing
|
|
* may only be performed once a request.
|
|
*/
|
|
public static function flush_cacheblock_cache($force = false) {
|
|
if (!self::$cacheblock_cache_flushed || $force) {
|
|
$cache = SS_Cache::factory('cacheblock');
|
|
$backend = $cache->getBackend();
|
|
|
|
if(
|
|
$backend instanceof Zend_Cache_Backend_ExtendedInterface
|
|
&& ($capabilities = $backend->getCapabilities())
|
|
&& $capabilities['tags']
|
|
) {
|
|
$cache->clean(Zend_Cache::CLEANING_MODE_MATCHING_TAG, $cache->getTags());
|
|
} else {
|
|
$cache->clean(Zend_Cache::CLEANING_MODE_ALL);
|
|
}
|
|
|
|
|
|
self::$cacheblock_cache_flushed = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @var Zend_Cache_Core
|
|
*/
|
|
protected $partialCacheStore = null;
|
|
|
|
/**
|
|
* Set the cache object to use when storing / retrieving partial cache blocks.
|
|
*
|
|
* @param Zend_Cache_Core $cache
|
|
*/
|
|
public function setPartialCacheStore($cache) {
|
|
$this->partialCacheStore = $cache;
|
|
}
|
|
|
|
/**
|
|
* Get the cache object to use when storing / retrieving partial cache blocks.
|
|
*
|
|
* @return Zend_Cache_Core
|
|
*/
|
|
public function getPartialCacheStore() {
|
|
return $this->partialCacheStore ? $this->partialCacheStore : SS_Cache::factory('cacheblock');
|
|
}
|
|
|
|
/**
|
|
* Flag whether to include the requirements in this response.
|
|
*
|
|
* @param boolean
|
|
*/
|
|
public function includeRequirements($incl = true) {
|
|
$this->includeRequirements = $incl;
|
|
}
|
|
|
|
/**
|
|
* An internal utility function to set up variables in preparation for including a compiled
|
|
* template, then do the include
|
|
*
|
|
* Effectively this is the common code that both SSViewer#process and SSViewer_FromString#process call
|
|
*
|
|
* @param string $cacheFile - The path to the file that contains the template compiled to PHP
|
|
* @param Object $item - The item to use as the root scope for the template
|
|
* @param array|null $overlay - Any variables to layer on top of the scope
|
|
* @param array|null $underlay - Any variables to layer underneath the scope
|
|
* @param Object $inheritedScope - the current scope of a parent template including a sub-template
|
|
*
|
|
* @return string - The result of executing the template
|
|
*/
|
|
protected function includeGeneratedTemplate($cacheFile, $item, $overlay, $underlay, $inheritedScope = null) {
|
|
if(isset($_GET['showtemplate']) && $_GET['showtemplate'] && Permission::check('ADMIN')) {
|
|
$lines = file($cacheFile);
|
|
echo "<h2>Template: $cacheFile</h2>";
|
|
echo "<pre>";
|
|
foreach($lines as $num => $line) {
|
|
echo str_pad($num+1,5) . htmlentities($line, ENT_COMPAT, 'UTF-8');
|
|
}
|
|
echo "</pre>";
|
|
}
|
|
|
|
$cache = $this->getPartialCacheStore();
|
|
$scope = new SSViewer_DataPresenter($item, $overlay, $underlay, $inheritedScope);
|
|
$val = '';
|
|
|
|
include($cacheFile);
|
|
|
|
return $val;
|
|
}
|
|
|
|
/**
|
|
* The process() method handles the "meat" of the template processing.
|
|
*
|
|
* It takes care of caching the output (via {@link SS_Cache}), as well as
|
|
* replacing the special "$Content" and "$Layout" placeholders with their
|
|
* respective subtemplates.
|
|
*
|
|
* The method injects extra HTML in the header via {@link Requirements::includeInHTML()}.
|
|
*
|
|
* Note: You can call this method indirectly by {@link ViewableData->renderWith()}.
|
|
*
|
|
* @param ViewableData $item
|
|
* @param array|null $arguments - arguments to an included template
|
|
* @param Object $inheritedScope - the current scope of a parent template including a sub-template
|
|
*
|
|
* @return HTMLText Parsed template output.
|
|
*/
|
|
public function process($item, $arguments = null, $inheritedScope = null) {
|
|
SSViewer::$topLevel[] = $item;
|
|
|
|
if(isset($this->chosenTemplates['main'])) {
|
|
$template = $this->chosenTemplates['main'];
|
|
} else {
|
|
$keys = array_keys($this->chosenTemplates);
|
|
$key = reset($keys);
|
|
$template = $this->chosenTemplates[$key];
|
|
}
|
|
|
|
$cacheFile = TEMP_FOLDER . "/.cache"
|
|
. str_replace(array('\\','/',':'), '.', Director::makeRelative(realpath($template)));
|
|
$lastEdited = filemtime($template);
|
|
|
|
if(!file_exists($cacheFile) || filemtime($cacheFile) < $lastEdited) {
|
|
$content = file_get_contents($template);
|
|
$content = $this->parseTemplateContent($content, $template);
|
|
|
|
$fh = fopen($cacheFile,'w');
|
|
fwrite($fh, $content);
|
|
fclose($fh);
|
|
}
|
|
|
|
$underlay = array('I18NNamespace' => basename($template));
|
|
|
|
// Makes the rendered sub-templates available on the parent item,
|
|
// through $Content and $Layout placeholders.
|
|
foreach(array('Content', 'Layout') as $subtemplate) {
|
|
if(isset($this->chosenTemplates[$subtemplate])) {
|
|
$subtemplateViewer = new SSViewer($this->chosenTemplates[$subtemplate], $this->parser);
|
|
$subtemplateViewer->includeRequirements(false);
|
|
$subtemplateViewer->setPartialCacheStore($this->getPartialCacheStore());
|
|
|
|
$underlay[$subtemplate] = $subtemplateViewer->process($item, $arguments);
|
|
}
|
|
}
|
|
|
|
$output = $this->includeGeneratedTemplate($cacheFile, $item, $arguments, $underlay, $inheritedScope);
|
|
|
|
if($this->includeRequirements) {
|
|
$output = Requirements::includeInHTML($template, $output);
|
|
}
|
|
|
|
array_pop(SSViewer::$topLevel);
|
|
|
|
// If we have our crazy base tag, then fix # links referencing the current page.
|
|
|
|
$rewrite = Config::inst()->get('SSViewer', 'rewrite_hash_links');
|
|
if($this->rewriteHashlinks && $rewrite) {
|
|
if(strpos($output, '<base') !== false) {
|
|
if($rewrite === 'php') {
|
|
$thisURLRelativeToBase = "<?php echo strip_tags(\$_SERVER['REQUEST_URI']); ?>";
|
|
} else {
|
|
$thisURLRelativeToBase = strip_tags($_SERVER['REQUEST_URI']);
|
|
}
|
|
|
|
$output = preg_replace('/(<a[^>]+href *= *)"#/i', '\\1"' . $thisURLRelativeToBase . '#', $output);
|
|
}
|
|
}
|
|
|
|
return DBField::create_field('HTMLText', $output, null, array('shortcodes' => false));
|
|
}
|
|
|
|
/**
|
|
* Execute the given template, passing it the given data.
|
|
* Used by the <% include %> template tag to process templates.
|
|
*
|
|
* @param string $template Template name
|
|
* @param mixed $data Data context
|
|
* @param array $arguments Additional arguments
|
|
* @return string Evaluated result
|
|
*/
|
|
public static function execute_template($template, $data, $arguments = null, $scope = null) {
|
|
$v = new SSViewer($template);
|
|
$v->includeRequirements(false);
|
|
|
|
return $v->process($data, $arguments, $scope);
|
|
}
|
|
|
|
/**
|
|
* Execute the evaluated string, passing it the given data.
|
|
* Used by partial caching to evaluate custom cache keys expressed using
|
|
* template expressions
|
|
*
|
|
* @param string $content Input string
|
|
* @param mixed $data Data context
|
|
* @param array $arguments Additional arguments
|
|
* @return string Evaluated result
|
|
*/
|
|
public static function execute_string($content, $data, $arguments = null) {
|
|
$v = SSViewer::fromString($content);
|
|
$v->includeRequirements(false);
|
|
|
|
return $v->process($data, $arguments);
|
|
}
|
|
|
|
public function parseTemplateContent($content, $template="") {
|
|
return $this->parser->compileString(
|
|
$content,
|
|
$template,
|
|
Director::isDev() && Config::inst()->get('SSViewer', 'source_file_comments')
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Returns the filenames of the template that will be rendered. It is a map that may contain
|
|
* 'Content' & 'Layout', and will have to contain 'main'
|
|
*/
|
|
public function templates() {
|
|
return $this->chosenTemplates;
|
|
}
|
|
|
|
/**
|
|
* @param string $type "Layout" or "main"
|
|
* @param string $file Full system path to the template file
|
|
*/
|
|
public function setTemplateFile($type, $file) {
|
|
$this->chosenTemplates[$type] = $file;
|
|
}
|
|
|
|
/**
|
|
* Return an appropriate base tag for the given template.
|
|
* It will be closed on an XHTML document, and unclosed on an HTML document.
|
|
*
|
|
* @param $contentGeneratedSoFar The content of the template generated so far; it should contain
|
|
* the DOCTYPE declaration.
|
|
*/
|
|
public static function get_base_tag($contentGeneratedSoFar) {
|
|
$base = Director::absoluteBaseURL();
|
|
|
|
// Is the document XHTML?
|
|
if(preg_match('/<!DOCTYPE[^>]+xhtml/i', $contentGeneratedSoFar)) {
|
|
return "<base href=\"$base\" />";
|
|
} else {
|
|
return "<base href=\"$base\"><!--[if lte IE 6]></base><![endif]-->";
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Special SSViewer that will process a template passed as a string, rather than a filename.
|
|
* @package framework
|
|
* @subpackage view
|
|
*/
|
|
class SSViewer_FromString extends SSViewer {
|
|
|
|
/**
|
|
* The global template caching behaviour if no instance override is specified
|
|
* @config
|
|
* @var bool
|
|
*/
|
|
private static $cache_template = true;
|
|
|
|
/**
|
|
* The template to use
|
|
* @var string
|
|
*/
|
|
protected $content;
|
|
|
|
/**
|
|
* Indicates whether templates should be cached
|
|
* @var bool
|
|
*/
|
|
protected $cacheTemplate;
|
|
|
|
public function __construct($content, TemplateParser $parser = null) {
|
|
$this->setParser($parser ?: Injector::inst()->get('SSTemplateParser'));
|
|
$this->content = $content;
|
|
}
|
|
|
|
public function process($item, $arguments = null, $scope = null) {
|
|
$hash = sha1($this->content);
|
|
$cacheFile = TEMP_FOLDER . "/.cache.$hash";
|
|
|
|
if(!file_exists($cacheFile) || isset($_GET['flush'])) {
|
|
$content = $this->parseTemplateContent($this->content, "string sha1=$hash");
|
|
$fh = fopen($cacheFile,'w');
|
|
fwrite($fh, $content);
|
|
fclose($fh);
|
|
}
|
|
|
|
$val = $this->includeGeneratedTemplate($cacheFile, $item, $arguments, null, $scope);
|
|
|
|
if ($this->cacheTemplate !== null) {
|
|
$cacheTemplate = $this->cacheTemplate;
|
|
} else {
|
|
$cacheTemplate = Config::inst()->get('SSViewer_FromString', 'cache_template');
|
|
}
|
|
|
|
if (!$cacheTemplate) {
|
|
unlink($cacheFile);
|
|
}
|
|
|
|
return $val;
|
|
}
|
|
|
|
/**
|
|
* @param boolean $cacheTemplate
|
|
*/
|
|
public function setCacheTemplate($cacheTemplate) {
|
|
$this->cacheTemplate = (bool) $cacheTemplate;
|
|
}
|
|
|
|
/**
|
|
* @return boolean
|
|
*/
|
|
public function getCacheTemplate() {
|
|
return $this->cacheTemplate;
|
|
}
|
|
}
|