*/
class FirstController extends PageController
{
const STAT_COLLECT = 1; // 收集阶段
const STAT_OUTPUT = 2; // 输出阶段
private $state = self::STAT_COLLECT; //初始状态
private $headInnerHTML = null;
private $bodyInnerHTML = null;
private $loadedResource = array();
protected $sessionId = 0; //此次会话ID,用于自动生成不重复id,第一次默认为0
protected $uniqIds = array(); //不重复id种子
protected static $knownEvents = array(
"beforeload" // Pagelet 开始加载前派发,return false 可以阻止加载
,"beforedisplay" // Pagelet 加载完成CSS资源和html资源,准备渲染时派发
,"display" //Pagelet dom渲染后派发
,"load" // Pagelet 加载并渲染完成后派发
,"unload"
);
/**
* 构造函数
*
* @access public
* @return void
*/
public function __construct()
{
$this->actionChain = array(
//收集阶段
'collect_html_open' => array(
'outputOpenTag',
true
),
'collect_head_open' => array(
'startCollect',
true
),
'collect_title_open' => array(
'outputOpenTag',
//FIXME collect and save title??
true
),
'collect_title_close' => array(
'outputCloseTag'
),
'collect_head_close' => array(
'collectHeadHTML'
),
'collect_body_open' => array(
'startCollect',
true
),
'collect_pagelet_open' => array(
//TODO 'outputPageletOpenTag',
'addPagelet',
'outputOpenTag',
'startCollect',
true
),
'collect_pagelet_close' => array(
'collectHTML',
'setupBigrender',
'outputCloseTag'
),
'collect_body_close' => array(
'collectBodyHTML'
),
//'collect_html_close' => false,
'collect_more' => array(
'changeState',
true
),
//输出阶段
//'output_html_open' => false,
'output_head_open' => array(
'outputOpenTag',
//TODO 'outputNoscriptFallback',
'outputHeadHTML',
false
),
//'output_title_open' => false,
//'output_title_close' => false,
'output_head_close' => array(
//TODO 'outputLayoutStyle',
'outputLayoutStyle',
'outputCloseTag'
),
'output_body_open' => array(
'outputOpenTag',
'outputBodyHTML',
false
),
//'output_pagelet_open' => false,
//'output_pagelet_close' => false,
'output_body_close' => array(
'outputBigPipeLibrary',
'outputLoadedResource',
//TODO 'sessionStart',
//TODO 'outputLayoutPagelet',
'outputLayoutPagelet',
'outputPagelets',
'outputCloseTag'
),
'output_html_close' => array(
'outputCloseTag'
),
'output_more' => false,
'default' => false
);
}
/**
* 收集阶段调用函数,收集 head 标签中的 HTML 内容
*
* @param PageletContext $context
*/
protected function collectHeadHTML($context)
{
$this->headInnerHTML = ob_get_clean();
}
/**
* 收集阶段调用函数,收集 body 标签中的HTML内容
*
* @param PageletContext $context
*/
protected function collectBodyHTML($context)
{
$this->bodyInnerHTML = ob_get_clean();
}
/**
* 将当前 pagelet 添加到输出列表中
*
* @param PageletContext $context
*/
protected function addPagelet($context)
{
$context->getParam("id", $this->sessionUniqId("__elm_"), PageletContext::FLG_APPEND_PARAM);
$this->pagelets[] = $context;
}
/**
* 输出布局阶段调用函数,将收集到的 head 标签中的 HTML 内容输出
*
* @param PageletContext $context
*/
protected function outputHeadHTML($context)
{
echo $this->headInnerHTML;
}
/**
* 输出布局阶段调用函数,将收集到的 body 标签中的 HTML 内容输出
*
* @param PageletContext $context
*/
protected function outputBodyHTML($context)
{
echo $this->bodyInnerHTML;
}
/**
* 输出布局阶段调用函数,将收集到的 body 标签中的 HTML 内容输出
*
* @param PageletContext $context
*/
protected function setupBigrender($context)
{
if(isset($context->bigrender)){
$eventType = "beforeload";
$context->addRequire($eventType, BigPipe::$bigrenderLib);
$context->addHook($eventType, BigPipe::getBigrenderCode());
}
}
/**
* 输出布局阶段调用函数,将收集到的 head和body标签中的 HTML 内容输出
*
* @param PageletContext $context
*/
protected function outputLayoutStyle($context)
{
$event = $context->parent->getEvent('beforedisplay');
if($event != false){
$styleLinks = $event->requires;
$styleResources = BigPipeResource::pathToResource($styleLinks, 'css');
$styleResources = BigPipeResource::getDependResource($styleResources, false);
$this->loadedResource = BigPipe::array_merge($styleResources, $this->loadedResource);
foreach ($styleResources as $resource) {
echo "";
}
}
}
protected function outputBigPipeLibrary($context)
{
$jsLibs = BigPipeResource::pathToResource(array(BigPipe::$jsLib));
$jsLibs = BigPipeResource::getDependResource($jsLibs, false);
$this->loadedResource = BigPipe::array_merge($jsLibs, $this->loadedResource);
foreach ($jsLibs as $resource) {
echo "";
}
//echo "\n";
// echo "\n";
} //
protected function outputLoadedResource($context)
{
$loadedResource = json_encode(array_keys(($this->loadedResource)));
echo "\n";
}
/**
* 输出布局阶段调用函数,将收集到的 head和body标签中的 HTML 内容输出
*
* @param PageletContext $context
*/
protected function outputLayoutPagelet($context)
{
$context->parent->children = $context->children;
$this->outputPagelet($context->parent);
}
/**
* 输出页面中所有的 pagelet
*
* @param PageletContext $context
*/
protected function outputPagelets($context)
{
foreach ($this->pagelets as $pagelet) {
$this->outputPagelet($pagelet);
}
}
protected function outputPagelet($pagelet)
{
$resourceMap = array();
$hooks = array();
$config = $this->getPageletConfig($pagelet, $html, $resourceMap, $hooks);
// 输出注释里的 HTML
if (!empty($html)) {
echo "\n" . $html;
}
echo "\n";
}
/**
* 得到 pagelet 的配置，用于 BigPipe.onPageletArrive
*
* @param PageletContext $pagelet
* @param string $html
* @param array $resourceMap
* @param array $hooks
*/
private function getPageletConfig($pagelet, &$html, &$resourceMap, &$hooks)
{
$config = array();
$config["id"] = $pagelet->getParam("id");
foreach ($pagelet->children as $child) {
$config["children"][] = $child->getParam("id");
}
if($pagelet->parent) {
$config["parent"] = $pagelet->parent->getParam("id");
}
if (!empty($pagelet->html)) {
//生成容器ID
$containerId = $this->sessionUniqId("__cnt_");
//生成注释的内容
$html = "