atom.view.JcrGroupController.scala Maven / Gradle / Ivy
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package atom.view
import java.util
import javax.jcr.observation.{Event, EventIterator}
import javax.jcr.query.QueryResult
import javax.jcr.{Node, Session}
import atom.app.Activity
import scala.collection.JavaConversions.asScalaIterator
import scala.collection.JavaConverters._
/**
* Контроллер динамических данных осуществляющий обработку на основе ячейки
* хранилища JCR.
*
* @param activity текущая активность
* @param templateView шаблоное представление элемента динамических данных
* @param query результат выполнения запроса в хранилище
* @param watch параметры наблюдение за хранилищем
* @param fileManager параметры сервиса работы с файлами
* @param static контроллер статичесских данных
* @param eventListenerParameters параметры слушателей событий
* @author Alex Voloshyn
* @version 1.1 4/18/15
*/
class JcrGroupController(activity: Activity,
templateView: View,
query: QueryResult,
watch: JcrWatchOption = null,
fileManager: FileManagerOption = null,
static: Option[Controller] = None,
eventListenerParameters: java.util.Map[String, AnyRef] = null)
extends GroupController with UseEventListeners {
/**
* Функция установки статичесского контроллера для представления.
*/
private val bind: (View, Controller) => Unit = bind(static)
private val template = templateView
override def prepare(group: ViewGroup): Unit = {
if (fileManager != null) {
if (fileManager.path isDefined) {
group setBinaryPath fileManager.path.get
}
if (fileManager.attributes isDefined) {
group setBinaryAttributes fileManager.attributes.get.asJava
}
}
val nodes = query.getNodes
nodes foreach (item => addChild(activity, item.asInstanceOf[Node], group, eventListenerParameters))
applyWatch(activity, watch, group, eventListenerParameters)
}
def addChild(activity: Activity, node: Node, group: ViewGroup,
eventListenerParameters: util.Map[String, AnyRef] = null): Unit = {
val view = template cloneAsTemplate()
view.setViewId(node.getIdentifier)
group.addView(view)
bind(view, JcrController(node))
applyEventListeners(activity, view, eventListenerParameters)
}
def applyWatch(activity: Activity,
watchOption: JcrWatchOption,
group: ViewGroup,
eventListenerParameters: util.Map[String, AnyRef]): Unit = {
if (watchOption != null && watchOption.shouldWatch) {
val nodeId = watchOption.getNodeId
val nodeTypes = watchOption.getNodeTypes
val session = activity.getJcrSession
val observ = session.getWorkspace.getObservationManager
observ.addEventListener(
new NodeListener(activity, this, group, session, nodeTypes, eventListenerParameters),
Event.NODE_ADDED, session.getNodeByIdentifier(nodeId).getPath, true,
null, nodeTypes, false)
//
}
}
}
object JcrGroupController {
/**
* Создание экземпляра контролера динамических данных.
*
* @param activity текущая активность
* @param template шаблоное представление элемента динамических данных
* @param query результат выполнения запроса в хранилище
* @param watch параметры наблюдение за хранилищем
* @param fileManager параметры сервиса работы с файлами
* @param static контроллер статичесских данных
* @param eventListenerParameters параметры слушателей событий
* @return экземпляр контролера динамических данных
*/
def apply(activity: Activity,
template: View,
query: QueryResult,
watch: JcrWatchOption = null,
fileManager: FileManagerOption = null,
static: Option[Controller] = None,
eventListenerParameters: util.Map[String, AnyRef] = null):
JcrGroupController = new JcrGroupController(activity, template, query, watch, fileManager, static, eventListenerParameters)
}
private class NodeListener(activity: Activity,
groupController: JcrGroupController,
group: ViewGroup,
session: Session,
nodeTypes: Array[String],
eventListenerParameters: util.Map[String, AnyRef])
extends javax.jcr.observation.EventListener with UseEventListeners {
override def onEvent(events: EventIterator): Unit = {
events foreach (item => {
val event = item.asInstanceOf[Event]
val nodePath = event.getPath
val node = session.getNode(nodePath)
groupController.addChild(activity, node, group, eventListenerParameters)
})
activity.getActivityThread.notifyClient()
}
}
/**
* @param fileManager путь на сервис работы с файлами
* @param fileManagerAttributes дополнительные атрибуты для сервиса работы с файлами
*/
class FileManagerOption(fileManager: Option[String] = None,
fileManagerAttributes: Option[List[AbstractView.Option]] = None) {
val path = fileManager
val attributes = fileManagerAttributes
}
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