/**
* WIDGET START
* 解析参数，收集widget所用到的静态资源
* @param $id
* @param $mode
* @param $group
* @return bool
*/
public static function start($id, $mode = null, $group = null)
{
$has_parent = !empty(self::$_context);
if ($mode) {
$widget_mode = self::_parseMode($mode);
} else {
$widget_mode = self::$mode;
}
self::$_pagelet_id = $id;
$parent_id = $has_parent ? self::$_context['id'] : '';
$qk_flag = self::$mode == self::MODE_QUICKLING ? '_qk_' : '';
$id = empty($id) ? '__elm_' . $parent_id . '_' . $qk_flag . self::$_session_id++ : $id;
$parent = self::$_context;
$has_parent = !empty($parent);
//$hit
$hit = true;
$context = array('id' => $id, 'mode' => $widget_mode, 'hit' => $hit);
if ($has_parent) {
$context['parent_id'] = $parent['id'];
self::$_contextMap[$parent['id']] = $parent;
}
if ($widget_mode == self::MODE_NOSCRIPT) {
//只有指定paglet_id的widget才嵌套一层div
if (self::$_pagelet_id) {
echo '<div id="' . $id . '">';
}
} else {
if ($widget_mode == self::MODE_BIGRENDER) {
//widget 为bigrender时，将内容渲染到html注释里面
if (!$has_parent) {
echo '<div id="' . $id . '">';
echo '<code class="g_bigrender"><!--';
}
} else {
echo '<div id="' . $id . '">';
}
if (self::$mode == self::MODE_QUICKLING) {
$hit = self::$filter[$id];
//如果父widget被命中，则子widget设置为命中
if ($has_parent && $parent['hit']) {
$hit = true;
} else {
if ($hit) {
//指定获取一个子widget时，需要单独处理这个widget
$context['parent_id'] = null;
$has_parent = false;
}
}
} else {
if ($widget_mode == self::MODE_QUICKLING) {
//渲染模式不是quickling时，可以认为是首次渲染
if (self::$_pagelet_id && self::$mode != self::MODE_QUICKLING) {
if (!$group) {
echo '<textarea class="g_fis_bigrender" style="display:none;">' . 'BigPipe.asyncLoad({id: "' . $id . '"});' . '</textarea>';
} else {
if (isset(self::$_pagelet_group[$group])) {
self::$_pagelet_group[$group][] = $id;
} else {
self::$_pagelet_group[$group] = array($id);
echo "<!--" . $group . "-->";
}
}
}
// 不需要渲染这个widget
$hit = false;
}
}
$context['hit'] = $hit;
if ($hit) {
if (!$has_parent) {
//获取widget内部的静态资源
FISResource::widgetStart();
}
//start a buffer
ob_start();
}
}
//设置当前处理context
self::$_context = $context;
return $hit;
}
/**
* WIDGET START
* 解析参数，收集widget所用到的静态资源
* @param $id
* @param $mode
* @param $group
* @param $class
* @return bool
*/
public static function start($id, $mode = null, $group = null, $class = null, $is_rend = 1, $textarea_style = null, $fetch_widget = null)
{
$has_parent = !empty(self::$_context);
$special_flag = false;
if ($mode !== null) {
$special_flag = true;
}
if ($mode) {
self::$widget_mode = self::_parseMode($mode);
} else {
self::$widget_mode = self::$mode;
}
//是否渲染div
self::$rend_div = $is_rend;
$parent_id = $has_parent ? self::$_context['id'] : '';
$qk_flag = self::$mode == self::MODE_QUICKLING ? '_qk_' : '';
$id = empty($id) ? '__elm_' . $parent_id . '_' . $qk_flag . self::$_session_id++ : $id;
$class = empty($class) ? self::DEFAULT_TEXTAREA_CLASS : $class;
$textarea_style = empty($textarea_style) ? self::DEFAULT_TEXTAREA_STYLE : $textarea_style;
//widget是否命中，没有指定fetch_widget默认命中,否则默认不命中
$hit = empty($fetch_widget) ? true : false;
//url强迫模式,优先级最高
if (self::$force_mode !== false) {
self::$widget_mode = self::$force_mode;
$hit = true;
}
switch (self::$widget_mode) {
case self::MODE_NOSCRIPT:
break;
case self::MODE_QUICKLING:
$hit = self::$filter[$id];
case self::MODE_BIGPIPE:
$context = array('id' => $id, 'async' => false);
//widget调用时mode='quickling'，so，打出异步加载代码
if ($special_flag && !$hit) {
if (!$group) {
echo "<textarea class=\"{$class}\" style=\"{$textarea_style}\"><script>" . "BigPipe.asyncLoad({id: \"{$id}\"},\"{$fetch_widget}\");" . '</script></textarea>';
} else {
if (isset(self::$_pagelet_group[$group])) {
self::$_pagelet_group[$group]["ids"][] = $id;
self::$_pagelet_group[$group]["class"][] = $class;
self::$_pagelet_group[$group]["style"][] = $textarea_style;
} else {
self::$_pagelet_group[$group] = array("ids" => array($id), "class" => array($class), "style" => array($textarea_style), "url" => $fetch_widget);
echo "<!--" . $group . "-->";
}
}
$context['async'] = true;
}
$parent = self::$_context;
if (!empty($parent)) {
$parent_id = $parent['id'];
self::$_contextMap[$parent_id] = $parent;
$context['parent_id'] = $parent_id;
if ($parent['hit']) {
$hit = true;
} else {
if ($hit && self::$mode === self::MODE_QUICKLING) {
unset($context['parent_id']);
}
}
}
$context['hit'] = $hit;
self::$_context = $context;
if (empty($parent) && $hit) {
FISResource::widgetStart();
} else {
if (!empty($parent) && !$parent['hit'] && $hit) {
FISResource::widgetStart();
}
}
//指定自动渲染div
if (!empty(self::$rend_div)) {
echo '<div id="' . $id . '">';
}
ob_start();
break;
}
return $hit;
}