- modify how we store whiteboard shapes as latecomers are not getting any shapes for the current page
This commit is contained in:
Richard Alam
parent
c77ddd76d3
commit
dcd5e0e8ec
@ -4,6 +4,11 @@ import org.bigbluebutton.core.api._
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import org.bigbluebutton.conference.service.whiteboard.WhiteboardKeyUtil
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import net.lag.logging.Logger
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import org.bigbluebutton.core.MeetingActor
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import org.bigbluebutton.core.apps.whiteboard.vo._
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case class Page2(num:Int, current: Boolean = false, shapes: Seq[AnnotationVO])
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case class Presentation2(val presentationID: String, val numPages: Int,
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current: Boolean = false, pages:scala.collection.immutable.HashMap[Int, Page2])
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trait WhiteboardApp {
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this : MeetingActor =>
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@ -1,25 +1,20 @@
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package org.bigbluebutton.core.apps.whiteboard
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import scala.collection.mutable.HashMap
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import org.bigbluebutton.core.apps.whiteboard.vo.AnnotationVO
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import scala.collection.mutable.ArrayBuffer
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class WhiteboardModel {
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private var _presentations = new scala.collection.immutable.HashMap[String, Presentation2]()
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private val _presentations = new HashMap[String, Presentation]()
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private var _activePresentation = ""
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private var _enabled = true
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def activePresentation() = _activePresentation
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def currentPage() = {
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var curPage = 0
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_presentations.get(_activePresentation) match {
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case Some(p) => {
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curPage = p.currentPage
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}
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case None => // do nothing
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}
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def getCurrentPresentation():Option[Presentation2] = {
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_presentations.values find (pres => pres.current)
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}
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curPage
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def getCurrentPage(pres: Presentation2):Option[Page2] = {
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pres.pages.values find (page => page.current)
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}
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def numPages() = {
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@ -34,76 +29,142 @@ class WhiteboardModel {
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numPages
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}
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private def savePresentation(pres: Presentation2) {
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_presentations += pres.presentationID -> pres
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}
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def addAnnotationToShape(pres: Presentation2, page: Page2, shape: AnnotationVO) = {
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val newPage = page.copy(shapes=(page.shapes :+ shape))
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val newPages = pres.pages + (newPage.num -> newPage)
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val newPres = pres.copy(pages=newPages)
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savePresentation(newPres)
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}
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def addAnnotation(shape: AnnotationVO) {
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_presentations.get(_activePresentation) match {
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case Some(p) => {
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p.addAnnotation(shape)
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getCurrentPresentation() foreach { pres =>
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getCurrentPage(pres) foreach {page =>
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addAnnotationToShape(pres, page, shape)
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}
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case None => // do nothing
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}
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}
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private def modifyTextInPage(pres: Presentation2, page: Page2, shape: AnnotationVO) = {
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val removedLastText = page.shapes.dropRight(1)
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val addedNewText = removedLastText :+ shape
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val newPage = page.copy(shapes=addedNewText)
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val newPages = pres.pages + (newPage.num -> newPage)
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val newPres = pres.copy(pages=newPages)
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savePresentation(newPres)
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}
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def modifyText(shape: AnnotationVO) {
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_presentations.get(_activePresentation) match {
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case Some(p) => {
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p.modifyText(shape)
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getCurrentPresentation() foreach { pres =>
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getCurrentPage(pres) foreach {page =>
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modifyTextInPage(pres, page, shape)
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}
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case None => // do nothing
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}
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}
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def changePage(page: Int) {
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_presentations.get(_activePresentation) match {
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case Some(p) => {
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p.changePage(page)
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}
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case None => // do nothing
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private def deactivateCurrentPage(pres: Presentation2) {
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getCurrentPage(pres) foreach {cp =>
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val page = cp.copy(current = false)
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val nPages = pres.pages + (page.num -> page)
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val newPres = pres.copy(pages= nPages)
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savePresentation(newPres)
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println("Making whiteboard page[" + page.num + "] not current[" + page.current + "]")
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println("After deact page. presentation id=[" + newPres.presentationID + "] current=[" + newPres.current + "]")
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newPres.pages.values foreach {page =>
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println("page num=[" + page.num + "] current=[" + page.current + "]")
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}
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}
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}
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def history():Array[AnnotationVO] = {
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var shapes:Array[AnnotationVO] = new Array(0)
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_presentations.get(_activePresentation) match {
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case Some(p) => {
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shapes = p.annotations
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private def makePageCurrent(pres: Presentation2, page: Int):Option[Page2] = {
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pres.pages.values find (p => p.num == page) match {
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case Some(newCurPage) => {
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val page = newCurPage.copy(current=true)
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val newPages = pres.pages + (page.num -> page)
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val newPres = pres.copy(pages= newPages)
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savePresentation(newPres)
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println("Making page[" + page.num + "] current[" + page.current + "]")
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Some(page)
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}
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case None => {
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println("Could not find page[" + page + "] in presentation [" + pres.presentationID + "]")
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None
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}
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case None => // do nothing
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}
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}
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shapes
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def changePage(pageId: Int):Option[Page2] = {
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getCurrentPresentation foreach {pres => deactivateCurrentPage(pres)}
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for {
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pres <- getCurrentPresentation
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page <- makePageCurrent(pres, pageId)
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} yield page
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}
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def history():Option[Page2] = {
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for {
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pres <- getCurrentPresentation
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page <- getCurrentPage(pres)
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} yield page
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}
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def clearWhiteboard() {
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_presentations.get(_activePresentation) match {
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case Some(p) => {
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p.clear()
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getCurrentPresentation foreach {pres =>
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getCurrentPage(pres) foreach {page =>
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val clearedShapes = page.shapes.drop(page.shapes.length)
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val newPage = page.copy(shapes= clearedShapes)
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val newPages = pres.pages + (newPage.num -> newPage)
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val newPres = pres.copy(pages= newPages)
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savePresentation(newPres)
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}
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case None => // do nothing
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}
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}
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def undoWhiteboard() {
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_presentations.get(_activePresentation) match {
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case Some(p) => {
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p.undo()
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getCurrentPresentation foreach {pres =>
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getCurrentPage(pres) foreach {page =>
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val droppedShapes = page.shapes.drop(page.shapes.length-1)
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val newPage = page.copy(shapes= droppedShapes)
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val newPages = pres.pages + (newPage.num -> newPage)
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val newPres = pres.copy(pages= newPages)
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savePresentation(newPres)
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}
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case None => // do nothing
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}
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}
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def setActivePresentation(presentationID: String, numPages: Int) {
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_presentations.get(presentationID) match {
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case Some(p) => {
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_activePresentation = presentationID
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}
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case None => {
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_activePresentation = presentationID
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private def generatePages(numPages: Int):scala.collection.immutable.HashMap[Int, Page2] = {
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var pages = new scala.collection.immutable.HashMap[Int, Page2]()
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val pre = new Presentation(presentationID, numPages)
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_presentations += presentationID -> pre
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}
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}
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for (i <- 1 to numPages) {
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val shapes = new ArrayBuffer[AnnotationVO]
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val p = new Page2(num=i, current=false, shapes.toSeq)
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pages += (p.num -> p)
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}
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pages
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}
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def setActivePresentation(presentationID: String, numPages: Int) {
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getCurrentPresentation foreach {curPres =>
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savePresentation(curPres.copy(current=false))
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}
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_presentations.get(presentationID) match {
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case Some(existingPres) => {
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savePresentation(existingPres.copy(current=true))
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}
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case None => { // New presentation
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val pages = generatePages(numPages)
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val newPres = new Presentation2(presentationID, numPages,
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current = true, pages)
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savePresentation(newPres)
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}
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}
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}
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def enableWhiteboard(enable: Boolean) {
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