silverstripe-framework/tests/model/HierarchyTest.php

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<?php
class HierarchyTest extends SapphireTest {
protected static $fixture_file = 'HierarchyTest.yml';
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protected $requiredExtensions = array(
'HierarchyTest_Object' => array('Hierarchy', 'Versioned')
);
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protected $extraDataObjects = array(
'HierarchyTest_Object'
);
/**
* Test the Hierarchy prevents infinite loops.
*/
public function testPreventLoop() {
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2aa = $this->objFromFixture('HierarchyTest_Object', 'obj2aa');
$obj2->ParentID = $obj2aa->ID;
try {
$obj2->write();
}
catch (ValidationException $e) {
$this->assertContains('Infinite loop found within the "HierarchyTest_Object" hierarchy', $e->getMessage());
return;
}
$this->fail('Failed to prevent infinite loop in hierarchy.');
}
/**
* Test Hierarchy::AllHistoricalChildren().
*/
public function testAllHistoricalChildren() {
// Delete some objs
$this->objFromFixture('HierarchyTest_Object', 'obj2b')->delete();
$this->objFromFixture('HierarchyTest_Object', 'obj3a')->delete();
$this->objFromFixture('HierarchyTest_Object', 'obj3')->delete();
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// Check that obj1-3 appear at the top level of the AllHistoricalChildren tree
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$this->assertEquals(array("Obj 1", "Obj 2", "Obj 3"),
singleton('HierarchyTest_Object')->AllHistoricalChildren()->column('Title'));
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// Check numHistoricalChildren
$this->assertEquals(3, singleton('HierarchyTest_Object')->numHistoricalChildren());
// Check that both obj 2 children are returned
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
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$this->assertEquals(array("Obj 2a", "Obj 2b"),
$obj2->AllHistoricalChildren()->column('Title'));
// Check numHistoricalChildren
$this->assertEquals(2, $obj2->numHistoricalChildren());
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// Obj 3 has been deleted; let's bring it back from the grave
$obj3 = Versioned::get_including_deleted("HierarchyTest_Object", "\"Title\" = 'Obj 3'")->First();
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// Check that all obj 3 children are returned
$this->assertEquals(array("Obj 3a", "Obj 3b", "Obj 3c", "Obj 3d"),
$obj3->AllHistoricalChildren()->column('Title'));
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// Check numHistoricalChildren
$this->assertEquals(4, $obj3->numHistoricalChildren());
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}
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/**
* Test that you can call Hierarchy::markExpanded/Unexpanded/Open() on a obj, and that
* calling Hierarchy::isMarked() on a different instance of that object will return true.
*/
public function testItemMarkingIsntRestrictedToSpecificInstance() {
// Mark a few objs
$this->objFromFixture('HierarchyTest_Object', 'obj2')->markExpanded();
$this->objFromFixture('HierarchyTest_Object', 'obj2a')->markExpanded();
$this->objFromFixture('HierarchyTest_Object', 'obj2b')->markExpanded();
$this->objFromFixture('HierarchyTest_Object', 'obj3')->markUnexpanded();
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// Query some objs in a different context and check their m
$objs = DataObject::get("HierarchyTest_Object", '', '"ID" ASC');
$marked = $expanded = array();
foreach($objs as $obj) {
if($obj->isMarked()) $marked[] = $obj->Title;
if($obj->isExpanded()) $expanded[] = $obj->Title;
}
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$this->assertEquals(array('Obj 2', 'Obj 3', 'Obj 2a', 'Obj 2b'), $marked);
$this->assertEquals(array('Obj 2', 'Obj 2a', 'Obj 2b'), $expanded);
}
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public function testNumChildren() {
$this->assertEquals($this->objFromFixture('HierarchyTest_Object', 'obj1')->numChildren(), 0);
$this->assertEquals($this->objFromFixture('HierarchyTest_Object', 'obj2')->numChildren(), 2);
$this->assertEquals($this->objFromFixture('HierarchyTest_Object', 'obj3')->numChildren(), 4);
$this->assertEquals($this->objFromFixture('HierarchyTest_Object', 'obj2a')->numChildren(), 2);
$this->assertEquals($this->objFromFixture('HierarchyTest_Object', 'obj2b')->numChildren(), 0);
$this->assertEquals($this->objFromFixture('HierarchyTest_Object', 'obj3a')->numChildren(), 2);
$this->assertEquals($this->objFromFixture('HierarchyTest_Object', 'obj3d')->numChildren(), 0);
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$obj1 = $this->objFromFixture('HierarchyTest_Object', 'obj1');
$this->assertEquals($obj1->numChildren(), 0);
$obj1Child1 = new HierarchyTest_Object();
$obj1Child1->ParentID = $obj1->ID;
$obj1Child1->write();
$this->assertEquals($obj1->numChildren(false), 1,
'numChildren() caching can be disabled through method parameter'
);
$obj1Child2 = new HierarchyTest_Object();
$obj1Child2->ParentID = $obj1->ID;
$obj1Child2->write();
$obj1->flushCache();
$this->assertEquals($obj1->numChildren(), 2,
'numChildren() caching can be disabled by flushCache()'
);
}
public function testLoadDescendantIDListIntoArray() {
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
$obj2b = $this->objFromFixture('HierarchyTest_Object', 'obj2b');
$obj2aa = $this->objFromFixture('HierarchyTest_Object', 'obj2aa');
$obj2ab = $this->objFromFixture('HierarchyTest_Object', 'obj2ab');
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$obj2IdList = $obj2->getDescendantIDList();
$obj2aIdList = $obj2a->getDescendantIDList();
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$this->assertContains($obj2a->ID, $obj2IdList);
$this->assertContains($obj2b->ID, $obj2IdList);
$this->assertContains($obj2aa->ID, $obj2IdList);
$this->assertContains($obj2ab->ID, $obj2IdList);
$this->assertEquals(4, count($obj2IdList));
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$this->assertContains($obj2aa->ID, $obj2aIdList);
$this->assertContains($obj2ab->ID, $obj2aIdList);
$this->assertEquals(2, count($obj2aIdList));
}
/**
* The "only deleted from stage" argument to liveChildren() should exclude
* any page that has been moved to another location on the stage site
*/
public function testLiveChildrenOnlyDeletedFromStage() {
$obj1 = $this->objFromFixture('HierarchyTest_Object', 'obj1');
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
$obj2b = $this->objFromFixture('HierarchyTest_Object', 'obj2b');
// Get a published set of objects for our fixture
$obj1->publish("Stage", "Live");
$obj2->publish("Stage", "Live");
$obj2a->publish("Stage", "Live");
$obj2b->publish("Stage", "Live");
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// Then delete 2a from stage and move 2b to a sub-node of 1.
$obj2a->delete();
$obj2b->ParentID = $obj1->ID;
$obj2b->write();
// Get live children, excluding pages that have been moved on the stage site
$children = $obj2->liveChildren(true, true)->column("Title");
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// 2a has been deleted from stage and should be shown
$this->assertContains("Obj 2a", $children);
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// 2b has merely been moved to a different parent and so shouldn't be shown
$this->assertNotContains("Obj 2b", $children);
}
public function testBreadcrumbs() {
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$obj1 = $this->objFromFixture('HierarchyTest_Object', 'obj1');
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
$obj2aa = $this->objFromFixture('HierarchyTest_Object', 'obj2aa');
$this->assertEquals('Obj 1', $obj1->getBreadcrumbs());
$this->assertEquals('Obj 2 &raquo; Obj 2a', $obj2a->getBreadcrumbs());
$this->assertEquals('Obj 2 &raquo; Obj 2a &raquo; Obj 2aa', $obj2aa->getBreadcrumbs());
}
/**
* @covers Hierarchy::markChildren()
*/
public function testMarkChildrenDoesntUnmarkPreviouslyMarked() {
$obj3 = $this->objFromFixture('HierarchyTest_Object', 'obj3');
$obj3aa = $this->objFromFixture('HierarchyTest_Object', 'obj3aa');
$obj3ba = $this->objFromFixture('HierarchyTest_Object', 'obj3ba');
$obj3ca = $this->objFromFixture('HierarchyTest_Object', 'obj3ca');
$obj3->markPartialTree();
$obj3->markToExpose($obj3aa);
$obj3->markToExpose($obj3ba);
$obj3->markToExpose($obj3ca);
$expected = <<<EOT
<ul>
<li>Obj 3a
<ul>
<li>Obj 3aa
</li>
<li>Obj 3ab
</li>
</ul>
</li>
<li>Obj 3b
<ul>
<li>Obj 3ba
</li>
<li>Obj 3bb
</li>
</ul>
</li>
<li>Obj 3c
<ul>
<li>Obj 3c
</li>
</ul>
</li>
<li>Obj 3d
</li>
</ul>
EOT;
$this->assertSame($expected, $obj3->getChildrenAsUL());
}
public function testGetChildrenAsUL() {
$obj1 = $this->objFromFixture('HierarchyTest_Object', 'obj1');
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
$obj2aa = $this->objFromFixture('HierarchyTest_Object', 'obj2aa');
$nodeCountThreshold = 30;
$root = new HierarchyTest_Object();
$root->markPartialTree($nodeCountThreshold);
$html = $root->getChildrenAsUL(
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"",
'"<li id=\"" . $child->ID . "\">" . $child->Title',
null,
false,
"AllChildrenIncludingDeleted",
"numChildren",
true, // rootCall
$nodeCountThreshold
);
$this->assertTreeContains($html, array($obj2),
'Contains root elements'
);
$this->assertTreeContains($html, array($obj2, $obj2a),
'Contains child elements (in correct nesting)'
);
$this->assertTreeContains($html, array($obj2, $obj2a, $obj2aa),
'Contains grandchild elements (in correct nesting)'
);
}
public function testGetChildrenAsULMinNodeCount() {
$obj1 = $this->objFromFixture('HierarchyTest_Object', 'obj1');
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
// Set low enough that it should be fulfilled by root only elements
$nodeCountThreshold = 3;
$root = new HierarchyTest_Object();
$root->markPartialTree($nodeCountThreshold);
$html = $root->getChildrenAsUL(
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"",
'"<li id=\"" . $child->ID . "\">" . $child->Title',
null,
false,
"AllChildrenIncludingDeleted",
"numChildren",
true,
$nodeCountThreshold
);
$this->assertTreeContains($html, array($obj1),
'Contains root elements'
);
$this->assertTreeContains($html, array($obj2),
'Contains root elements'
);
$this->assertTreeNotContains($html, array($obj2, $obj2a),
'Does not contains child elements because they exceed minNodeCount'
);
}
public function testGetChildrenAsULMinNodeCountWithMarkToExpose() {
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
$obj2aa = $this->objFromFixture('HierarchyTest_Object', 'obj2aa');
// Set low enough that it should be fulfilled by root only elements
$nodeCountThreshold = 3;
$root = new HierarchyTest_Object();
$root->markPartialTree($nodeCountThreshold);
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// Mark certain node which should be included regardless of minNodeCount restrictions
$root->markToExpose($obj2aa);
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$html = $root->getChildrenAsUL(
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"",
'"<li id=\"" . $child->ID . "\">" . $child->Title',
null,
false,
"AllChildrenIncludingDeleted",
"numChildren",
true,
$nodeCountThreshold
);
$this->assertTreeContains($html, array($obj2),
'Contains root elements'
);
$this->assertTreeContains($html, array($obj2, $obj2a, $obj2aa),
'Does contain marked children nodes regardless of configured threshold'
);
}
public function testGetChildrenAsULMinNodeCountWithFilters() {
$obj1 = $this->objFromFixture('HierarchyTest_Object', 'obj1');
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
$obj2aa = $this->objFromFixture('HierarchyTest_Object', 'obj2aa');
// Set low enough that it should fit all search matches without lazy loading
$nodeCountThreshold = 3;
$root = new HierarchyTest_Object();
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// Includes nodes by filter regardless of minNodeCount restrictions
$root->setMarkingFilterFunction(function($record) use($obj2, $obj2a, $obj2aa) {
// Results need to include parent hierarchy, even if we just want to
// match the innermost node.
return in_array($record->ID, array($obj2->ID, $obj2a->ID, $obj2aa->ID));
});
$root->markPartialTree($nodeCountThreshold);
$html = $root->getChildrenAsUL(
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"",
'"<li id=\"" . $child->ID . "\">" . $child->Title',
null,
true, // limit to marked
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"AllChildrenIncludingDeleted",
"numChildren",
true,
$nodeCountThreshold
);
$this->assertTreeNotContains($html, array($obj1),
'Does not contain root elements which dont match the filter'
);
$this->assertTreeContains($html, array($obj2, $obj2a, $obj2aa),
'Contains non-root elements which match the filter'
);
}
public function testGetChildrenAsULHardLimitsNodes() {
$obj1 = $this->objFromFixture('HierarchyTest_Object', 'obj1');
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
$obj2aa = $this->objFromFixture('HierarchyTest_Object', 'obj2aa');
// Set low enough that it should fit all search matches without lazy loading
$nodeCountThreshold = 3;
$root = new HierarchyTest_Object();
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// Includes nodes by filter regardless of minNodeCount restrictions
$root->setMarkingFilterFunction(function($record) use($obj2, $obj2a, $obj2aa) {
// Results need to include parent hierarchy, even if we just want to
// match the innermost node.
return in_array($record->ID, array($obj2->ID, $obj2a->ID, $obj2aa->ID));
});
$root->markPartialTree($nodeCountThreshold);
$html = $root->getChildrenAsUL(
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"",
'"<li id=\"" . $child->ID . "\">" . $child->Title',
null,
true, // limit to marked
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"AllChildrenIncludingDeleted",
"numChildren",
true,
$nodeCountThreshold
);
$this->assertTreeNotContains($html, array($obj1),
'Does not contain root elements which dont match the filter'
);
$this->assertTreeContains($html, array($obj2, $obj2a, $obj2aa),
'Contains non-root elements which match the filter'
);
}
public function testGetChildrenAsULNodeThresholdLeaf() {
$obj1 = $this->objFromFixture('HierarchyTest_Object', 'obj1');
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
$obj3 = $this->objFromFixture('HierarchyTest_Object', 'obj3');
$obj3a = $this->objFromFixture('HierarchyTest_Object', 'obj3a');
$nodeCountThreshold = 99;
$root = new HierarchyTest_Object();
$root->markPartialTree($nodeCountThreshold);
$nodeCountCallback = function($parent, $numChildren) {
// Set low enough that it the fixture structure should exceed it
if($parent->ID && $numChildren > 2) {
return '<span class="exceeded">Exceeded!</span>';
}
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};
$html = $root->getChildrenAsUL(
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"",
'"<li id=\"" . $child->ID . "\">" . $child->Title',
null,
true, // limit to marked
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"AllChildrenIncludingDeleted",
"numChildren",
true,
$nodeCountThreshold,
$nodeCountCallback
);
$this->assertTreeContains($html, array($obj1),
'Does contain root elements regardless of count'
);
$this->assertTreeContains($html, array($obj3),
'Does contain root elements regardless of count'
);
$this->assertTreeContains($html, array($obj2, $obj2a),
'Contains children which do not exceed threshold'
);
$this->assertTreeNotContains($html, array($obj3, $obj3a),
'Does not contain children which exceed threshold'
);
}
/**
* This test checks that deleted ('archived') child pages don't set a css class on the parent
* node that makes it look like it has children
*/
public function testGetChildrenAsULNodeDeletedOnLive() {
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
$obj2aa = $this->objFromFixture('HierarchyTest_Object', 'obj2aa');
$obj2ab = $this->objFromFixture('HierarchyTest_Object', 'obj2b');
// delete all children under obj2
$obj2a->delete();
$obj2aa->delete();
$obj2ab->delete();
// Don't pre-load all children
$nodeCountThreshold = 1;
$childrenMethod = 'AllChildren';
$numChildrenMethod = 'numChildren';
$root = new HierarchyTest_Object();
$root->markPartialTree($nodeCountThreshold, null, $childrenMethod, $numChildrenMethod);
// As in LeftAndMain::getSiteTreeFor() but simpler and more to the point for testing purposes
$titleFn = function(&$child, $numChildrenMethod="") {
return '<li class="' . $child->markingClasses($numChildrenMethod).
'" id="' . $child->ID . '">"' . $child->Title;
};
$html = $root->getChildrenAsUL(
"",
$titleFn,
null,
true, // limit to marked
$childrenMethod,
$numChildrenMethod,
true,
$nodeCountThreshold
);
// Get the class attribute from the $obj2 node in the sitetree, class 'jstree-leaf' means it's a leaf node
$nodeClass = $this->getNodeClassFromTree($html, $obj2);
$this->assertEquals('jstree-leaf closed', $nodeClass, 'object2 should not have children in the sitetree');
}
/**
* This test checks that deleted ('archived') child pages _do_ set a css class on the parent
* node that makes it look like it has children when getting all children including deleted
*/
public function testGetChildrenAsULNodeDeletedOnStage() {
$obj2 = $this->objFromFixture('HierarchyTest_Object', 'obj2');
$obj2a = $this->objFromFixture('HierarchyTest_Object', 'obj2a');
$obj2aa = $this->objFromFixture('HierarchyTest_Object', 'obj2aa');
$obj2ab = $this->objFromFixture('HierarchyTest_Object', 'obj2b');
// delete all children under obj2
$obj2a->delete();
$obj2aa->delete();
$obj2ab->delete();
// Don't pre-load all children
$nodeCountThreshold = 1;
$childrenMethod = 'AllChildrenIncludingDeleted';
$numChildrenMethod = 'numHistoricalChildren';
$root = new HierarchyTest_Object();
$root->markPartialTree($nodeCountThreshold, null, $childrenMethod, $numChildrenMethod);
// As in LeftAndMain::getSiteTreeFor() but simpler and more to the point for testing purposes
$titleFn = function(&$child, $numChildrenMethod="") {
return '<li class="' . $child->markingClasses($numChildrenMethod).
'" id="' . $child->ID . '">"' . $child->Title;
};
$html = $root->getChildrenAsUL(
"",
$titleFn,
null,
true, // limit to marked
$childrenMethod,
$numChildrenMethod,
true,
$nodeCountThreshold
);
// Get the class attribute from the $obj2 node in the sitetree
$nodeClass = $this->getNodeClassFromTree($html, $obj2);
// Object2 can now be expanded
$this->assertEquals('unexpanded jstree-closed closed', $nodeClass, 'obj2 should have children in the sitetree');
}
/**
* @param String $html [description]
* @param array $nodes Breadcrumb path as array
* @param String $message
*/
protected function assertTreeContains($html, $nodes, $message = null) {
$parser = new CSSContentParser($html);
$xpath = '/';
foreach($nodes as $node) $xpath .= '/ul/li[@id="' . $node->ID . '"]';
$match = $parser->getByXpath($xpath);
self::assertThat((bool)$match, self::isTrue(), $message);
}
/**
* @param String $html [description]
* @param array $nodes Breadcrumb path as array
* @param String $message
*/
protected function assertTreeNotContains($html, $nodes, $message = null) {
$parser = new CSSContentParser($html);
$xpath = '/';
foreach($nodes as $node) $xpath .= '/ul/li[@id="' . $node->ID . '"]';
$match = $parser->getByXpath($xpath);
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self::assertThat((bool)$match, self::isFalse(), $message);
}
/**
* Get the HTML class attribute from a node in the sitetree
*
* @param $html
* @param $node
* @return string
*/
protected function getNodeClassFromTree($html, $node) {
$parser = new CSSContentParser($html);
$xpath = '//ul/li[@id="' . $node->ID . '"]';
$object = $parser->getByXpath($xpath);
foreach($object[0]->attributes() as $key => $attr) {
if($key == 'class') {
return (string)$attr;
}
}
return '';
}
}
class HierarchyTest_Object extends DataObject implements TestOnly {
private static $db = array(
'Title' => 'Varchar'
);
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private static $extensions = array(
'Hierarchy',
"Versioned('Stage', 'Live')",
);
private static $default_sort = 'Title ASC';
public function cmstreeclasses() {
return $this->markingClasses();
}
}