public function exchangeWidget(IView $aView, $sWidgetId, $nWay = self::MODEL_TO_WIDGET)
{
if (!isset($this->arrLinks[$sWidgetId])) {
return;
}
if (!($aModel = $aView->model())) {
throw new Exception("视图尚未设置模型，无法进行数据交换");
}
if (!($aWidget = $aView->widget($sWidgetId))) {
throw new Exception("视图中缺少指定的窗体（%s），无法进行数据交换", $sWidgetId);
}
switch ($nWay) {
// 从模型数据到ui窗体
case self::MODEL_TO_WIDGET:
$sModelName = end($this->arrLinks[$sWidgetId]);
$aWidget->setValueFromString($aModel->data($sModelName));
break;
// 从ui窗体到模型控件
// 从ui窗体到模型控件
case self::WIDGET_TO_MODEL:
$widgetVal = $aWidget->valueToString();
foreach ($this->arrLinks[$sWidgetId] as $sModelName) {
$aModel->setData($sModelName, $widgetVal);
}
break;
default:
throw new Exception("参数（\$nWay）无效");
break;
}
}
public function __construct($sId = null, $sTemplateName = null, $sTitle = null, IView $aView = null)
{
parent::__construct();
$this->setId($sId);
$this->setTitle($sTitle ? $sTitle : $sId);
$this->setTemplateName($sTemplateName);
// 消息队列过滤器
$this->messageQueue()->filters()->add(function ($aMsg, $aWidget) {
if ($aMsg->poster() != $aWidget) {
StopFilterSignal::stop();
}
return array($aMsg);
}, $this);
if ($aView) {
$aView->addWidget($this);
}
}
public function examine(IView $aView)
{
if ($aView->parent()) {
return false;
}
if (empty($this->arrNames) and empty($this->arrClasses)) {
return true;
}
foreach ($this->arrNames as $sName) {
if ($aView->hasName($sName)) {
return true;
}
}
foreach ($this->arrClasses as $sClass) {
if ($aView instanceof $sClass) {
return true;
}
}
return false;
}
public function setViewContainer(IView $aViewContainer)
{
$this->aViewContainer = $aViewContainer;
// 记录所有的frame 视图
$this->arrFrameViews[$aViewContainer->name()] = $aViewContainer;
}
public function removeView(IView $aView)
{
$aView->setController(null);
$this->mainView()->remove($aView);
return $this;
}
private function assembleView(&$arrAssemblyList, IView $aView)
{
if (!($sViewId = $aView->id())) {
throw new Exception("在装配视图时，遇到未注册的视图。");
}
// 视图已经装配过
if (isset($this->arrViewAssemblyStat[$sViewId])) {
// echo "view {$sViewId} has assembled, pre priority: {$this->arrViewAssemblyStat[$sViewId]['priority']}, this time priority: {$arrAssemblyList['filter']['priority']} <br />\r\n" ;
// 比较两个 slot 的优先级
if ($arrAssemblyList['filter']['priority'] > $this->arrViewAssemblyStat[$sViewId]['priority']) {
// echo "remove {$sViewId} --- <<< {$this->arrViewAssemblyStat[$sViewId]['list']['id']} @ {$this->arrViewAssemblyStat[$sViewId]['listpos']} <br />" ;
// 从原装配单中清除
unset($this->arrViewAssemblyStat[$sViewId]['list']['items'][$this->arrViewAssemblyStat[$sViewId]['listpos']]);
unset($this->arrViewAssemblyStat[$sViewId]);
} else {
return;
}
}
// 写入装配单
$arrAssemblyList['items'][] = array('type' => 'view', 'id' => $sViewId, 'object' => $aView);
// 记录装配状态
end($arrAssemblyList['items']);
$nPos = key($arrAssemblyList['items']);
$this->arrViewAssemblyStat[$sViewId] = array('list' => &$arrAssemblyList, 'listpos' => $nPos, 'priority' => $arrAssemblyList['filter']['priority']);
// echo "assembling view [ {$sViewId} +++ >>> {$arrAssemblyList['id']} @ {$nPos} ] as priority {$arrAssemblyList['filter']['priority']} <br />" ;
}
public static function registerView(IView $aView)
{
$sName = $aView->name();
if (!isset(self::$arrAssignedId[$sName])) {
self::$arrAssignedId[$sName] = 0;
} else {
self::$arrAssignedId[$sName]++;
}
$sId = $sName . '-' . self::$arrAssignedId[$sName];
self::$arrRegisteredViews[$sId] = $aView;
return $sId;
}