function __construct(&$content, $fieldContent)
{
$this->content =& $content;
// TO DO validate valid?
$this->valid = true;
// error_log('*********************************');
$this->fieldContent = $fieldContent;
// keyword is up to first bracket
$this->keyword = trim(substr($fieldContent, 0, strpos($fieldContent, '(')));
// error_log('Field Content = ' . $fieldContent);
// error_log('Keyword = ' . $this->keyword);
// Get content of function / field
$this->fieldFunction = substr($fieldContent, strpos($fieldContent, '(') + 1, strlen($fieldContent) - strlen($this->keyword) - 2);
// find in
$this->inAtPos = strpos($this->fieldFunction, 'in @');
// error_log(' In keyword found at pos = ' . $this->inAtPos );
// get the variable name for the loop
$this->varName = trim(substr($this->fieldFunction, 0, $this->inAtPos));
// error_log('VarName ' . $this->varName);
// get the collection text
$this->collectionContent = trim(substr($this->fieldFunction, $this->inAtPos + 3, $this->findClosingBracket($this->fieldFunction) - ($this->inAtPos + 3)));
//error_log('Collection Content = ' . $this->collectionContent);
$this->collection = $this->explodeCollection($this->collectionContent);
// error_log(print_r($this->collection,1));
$item = array_shift($this->collection);
// error_log("ITEM: " . $item['item']);
if ($item['item'] == "@Page") {
$item = array_shift($this->collection);
// error_log("ITEM2: " . $item['item']);
$this->collectionType = $item['item'];
// get the section ID
if ($item['item'] == "Sections") {
$this->sectionID = $item['options'];
}
} else {
$this->collectionType = "UNKNOWN";
}
// Now get the content to loop output. e.g. between the first { and last }
$this->startLoopPos = strpos($this->fieldFunction, '{');
$this->loopContent = substr($this->fieldFunction, $this->startLoopPos + 1);
// error_log('*********************************');
/* Two options at the moment Children and Sections
{|@foreach(item in @Page.Children.Where("!hidePage")) {
<li>{|@item.Name|}</li>
}|}
{|@foreach(section in @Page.Sections(1)) {
<h2>{|@section.heading1|}</h2>
}
*/
$loopOutput = '';
switch ($this->collectionType) {
case "Children":
// now count the children - TO DO this will be more complicated with filters and sort orders and limits (e.g. first 5 ) @item.SomeField.Where('someethingisTrue');
$numChildren = 0;
// as per sections below - copy and paste - TODO refactor
if (isset($content->variables[$this->varName])) {
$this->valid = false;
$this->fieldContent = "Variable name error - already exists";
} else {
$this->content->variables[$this->varName]['type'] = "child";
}
if (isset($this->content->relatedContent) && count($this->content->relatedContent) > 0) {
$sortByPos = pos_in_multiarray("SortBy", $this->collection, "item");
$paginationPos = pos_in_multiarray("Pagination", $this->collection, "item");
// error_log(print_r($this->collection,1));
$relatedContent = $this->content->relatedContent;
// error_log(print_r($relatedContent,1));
// error_log("FIRST: ". $this->content->relatedContent[0]['lastUpdatedDate']);
// if sortByPos has been found in the template function collection
if ($sortByPos >= 0) {
// sort!
$sortStr = $this->collection[$sortByPos]["options"];
// if there is " DESC" in the string then set descending sort to true and replace
$descPos = strpos(strtoupper($sortStr), " DESC");
$meta = array();
// look for descending
if ($descPos) {
$meta['descending'] = true;
$sortStr = substr($sortStr, 0, $descPos);
} else {
$meta['descending'] = false;
}
$meta['field'] = trim(str_replace('"', '', $sortStr));
// check if a field is an internal field and not a content field (e..g nodeID or createdDate
$internalFields = array("nodeID", "nodeName", "level", "pageType", "URL", "createdDate", "createdById", "createdBy", "lastUpdatedDate", "lastUpdatedBy", "lastUpdatedBy", "lastUpdatedById", "sortOrder");
if (in_array($meta['field'], $internalFields)) {
$meta['internalField'] = true;
} else {
$meta['internalField'] = false;
}
usort($relatedContent, content_sorter($meta));
}
// if pagination is found then we do pagination!
if ($paginationPos >= 0) {
$pageNum = 1;
// get name of the page url variable
$pageVar = $this->collection[$paginationPos]["options"];
if (isset($content->requestVars[$pageVar]) && is_numeric($content->requestVars[$pageVar]) && $content->requestVars[$pageVar] > 0) {
$pageNum = $content->requestVars[$pageVar];
}
// list requested page worth of results
$count = 0;
$itemsPerPage = 3;
$lowerLimit = ($pageNum - 1) * $itemsPerPage;
$upperLimit = $pageNum * $itemsPerPage;
foreach ($relatedContent as $child) {
// TO DO more matching if we us .Where('something is true');
// Check if it's a child
if ($child['level'] == 1) {
$numChildren++;
if ($count >= $lowerLimit && $count < $upperLimit) {
// set the current child node ID
$this->content->variables[$this->varName]['childID'] = $child['nodeID'];
// Now get the CMS helper to parse the loop content.
$loopOutput .= $this->content->parseTemplate($this->loopContent);
}
$count++;
}
}
// now add the pagination controls
$loopOutput .= $this->CreatePaginationLinks($pageNum, $numChildren, $itemsPerPage, "/" . $content->pagePath . "/", $pageVar);
} else {
// List all
foreach ($relatedContent as $child) {
// TO DO more matching if we us .Where('something is true');
// Check if it's a child
if ($child['level'] == 1) {
$numChildren++;
// set the current child node ID
$this->content->variables[$this->varName]['childID'] = $child['nodeID'];
// Now get the CMS helper to parse the loop content.
$loopOutput .= $this->content->parseTemplate($this->loopContent);
}
}
}
}
break;
case "Sections":
// first find the fields in the sections template section
// $fields = parent::findFields($this->loopContent);
// add the field var name to the variables in the content of the main CMS helper
// check if this is already set and throw an error if it is (to stop nested use of the same var name - probably valid in programming
// but too hard to deal with here
if (isset($content->variables[$this->varName])) {
$this->valid = false;
$this->fieldContent = "Variable name error - already exists";
} else {
$this->content->variables[$this->varName]['type'] = "Section";
$this->content->variables[$this->varName]['sectionID'] = $this->sectionID;
}
if (isset($this->content->sections[$this->sectionID])) {
foreach ($this->content->sections[$this->sectionID]['sectionInstances'] as $section) {
$childOutput = '';
$lastChildPos = 0;
// for each section Instance update the @section variable in the content variable with the current instance
$this->content->variables[$this->varName]['type'] = 'section';
$this->content->variables[$this->varName]['sectionInstanceID'] = $section;
// Now get the CMS helper to parse the loop content.
$loopOutput .= $this->content->parseTemplate($this->loopContent);
}
}
// finally kill the variable in case it's reused in a future loop
unset($this->content->variables[$this->varName]);
break;
default:
if (DEBUG) {
$loopOutput = "ERROR - invalid collection";
} else {
$loopOutput = "";
}
break;
}
// finally add the loop output to the main output
$this->fieldContent = $loopOutput;
}
function pos_in_multiarray($elem, $array, $field)
{
$top = sizeof($array) - 1;
$bottom = 0;
$count = 0;
while ($bottom <= $top) {
$curElem = $array[$bottom][$field];
if (trim($array[$bottom][$field]) == trim($elem)) {
return $count;
} else {
if (is_array($array[$bottom][$field])) {
if (pos_in_multiarray($elem, $array[$bottom][$field])) {
return $count;
}
}
}
$bottom++;
$count++;
}
return -1;
}
