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overleaf/services/web/public/coffee/ide/file-tree/FileTreeManager.coffee

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define [
"ide/file-tree/directives/fileEntity"
"ide/file-tree/directives/draggable"
"ide/file-tree/directives/droppable"
"ide/file-tree/controllers/FileTreeController"
"ide/file-tree/controllers/FileTreeEntityController"
"ide/file-tree/controllers/FileTreeFolderController"
"ide/file-tree/controllers/FileTreeRootFolderController"
], () ->
class FileTreeManager
constructor: (@ide, @$scope) ->
@$scope.$on "project:joined", =>
@loadRootFolder()
@loadDeletedDocs()
@$scope.$emit "file-tree:initialized"
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@$scope.$watch "rootFolder", (rootFolder) =>
if rootFolder?
@recalculateDocList()
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@_bindToSocketEvents()
@$scope.multiSelectedCount = 0
$(document).on "click", =>
@clearMultiSelectedEntities()
$scope.$digest()
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_bindToSocketEvents: () ->
@ide.socket.on "reciveNewDoc", (parent_folder_id, doc) =>
parent_folder = @findEntityById(parent_folder_id) or @$scope.rootFolder
@$scope.$apply () =>
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parent_folder.children.push {
name: doc.name
id: doc._id
type: "doc"
}
@recalculateDocList()
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@ide.socket.on "reciveNewFile", (parent_folder_id, file) =>
parent_folder = @findEntityById(parent_folder_id) or @$scope.rootFolder
@$scope.$apply () =>
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parent_folder.children.push {
name: file.name
id: file._id
type: "file"
}
@recalculateDocList()
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@ide.socket.on "reciveNewFolder", (parent_folder_id, folder) =>
parent_folder = @findEntityById(parent_folder_id) or @$scope.rootFolder
@$scope.$apply () =>
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parent_folder.children.push {
name: folder.name
id: folder._id
type: "folder"
children: []
}
@recalculateDocList()
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@ide.socket.on "reciveEntityRename", (entity_id, name) =>
entity = @findEntityById(entity_id)
return if !entity?
@$scope.$apply () =>
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entity.name = name
@recalculateDocList()
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@ide.socket.on "removeEntity", (entity_id) =>
entity = @findEntityById(entity_id)
return if !entity?
@$scope.$apply () =>
@_deleteEntityFromScope entity
@recalculateDocList()
@$scope.$emit "entity:deleted", entity
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@ide.socket.on "reciveEntityMove", (entity_id, folder_id) =>
entity = @findEntityById(entity_id)
folder = @findEntityById(folder_id)
@$scope.$apply () =>
@_moveEntityInScope(entity, folder)
@recalculateDocList()
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selectEntity: (entity) ->
@selected_entity_id = entity.id # For reselecting after a reconnect
@ide.fileTreeManager.forEachEntity (entity) ->
entity.selected = false
entity.selected = true
toggleMultiSelectEntity: (entity) ->
entity.multiSelected = !entity.multiSelected
@$scope.multiSelectedCount = @multiSelectedCount()
multiSelectedCount: () ->
count = 0
@forEachEntity (entity) ->
if entity.multiSelected
count++
return count
getMultiSelectedEntities: () ->
entities = []
@forEachEntity (e) ->
if e.multiSelected
entities.push e
return entities
getMultiSelectedEntityChildNodes: () ->
entities = @getMultiSelectedEntities()
paths = {}
for entity in entities
paths[@getEntityPath(entity)] = entity
prefixes = {}
for path, entity of paths
parts = path.split("/")
if parts.length <= 1
continue
else
# Record prefixes a/b/c.tex -> 'a' and 'a/b'
for i in [1..(parts.length - 1)]
prefixes[parts.slice(0,i).join("/")] = true
child_entities = []
for path, entity of paths
# If the path is in the prefixes, then it's a parent folder and
# should be ignore
if !prefixes[path]?
child_entities.push entity
return child_entities
clearMultiSelectedEntities: () ->
return if @$scope.multiSelectedCount == 0 # Be efficient, this is called a lot on 'click'
@forEachEntity (entity) ->
entity.multiSelected = false
@$scope.multiSelectedCount = 0
multiSelectSelectedEntity: () ->
@findSelectedEntity()?.multiSelected = true
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existsInFolder: (folder_id, name) ->
folder = @findEntityById(folder_id)
return false if !folder?
entity = @_findEntityByPathInFolder(folder, name)
return entity?
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findSelectedEntity: () ->
selected = null
@forEachEntity (entity) ->
selected = entity if entity.selected
return selected
findEntityById: (id, options = {}) ->
return @$scope.rootFolder if @$scope.rootFolder.id == id
entity = @_findEntityByIdInFolder @$scope.rootFolder, id
return entity if entity?
if options.includeDeleted
for entity in @$scope.deletedDocs
return entity if entity.id == id
return null
_findEntityByIdInFolder: (folder, id) ->
for entity in folder.children or []
if entity.id == id
return entity
else if entity.children?
result = @_findEntityByIdInFolder(entity, id)
return result if result?
return null
findEntityByPath: (path) ->
@_findEntityByPathInFolder @$scope.rootFolder, path
_findEntityByPathInFolder: (folder, path) ->
parts = path.split("/")
name = parts.shift()
rest = parts.join("/")
if name == "."
return @_findEntityByPathInFolder(folder, rest)
for entity in folder.children
if entity.name == name
if rest == ""
return entity
else if entity.type == "folder"
return @_findEntityByPathInFolder(entity, rest)
return null
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forEachEntity: (callback = (entity, parent_folder, path) ->) ->
@_forEachEntityInFolder(@$scope.rootFolder, null, callback)
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for entity in @$scope.deletedDocs or []
callback(entity)
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_forEachEntityInFolder: (folder, path, callback) ->
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for entity in folder.children or []
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if path?
childPath = path + "/" + entity.name
else
childPath = entity.name
callback(entity, folder, childPath)
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if entity.children?
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@_forEachEntityInFolder(entity, childPath, callback)
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getEntityPath: (entity) ->
@_getEntityPathInFolder @$scope.rootFolder, entity
_getEntityPathInFolder: (folder, entity) ->
for child in folder.children or []
if child == entity
return entity.name
else if child.type == "folder"
path = @_getEntityPathInFolder(child, entity)
if path?
return child.name + "/" + path
return null
getRootDocDirname: () ->
rootDoc = @findEntityById @$scope.project.rootDoc_id
return if !rootDoc?
path = @getEntityPath(rootDoc)
return if !path?
return path.split("/").slice(0, -1).join("/")
loadRootFolder: () ->
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@$scope.rootFolder = @_parseFolder(@$scope?.project?.rootFolder[0])
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_parseFolder: (rawFolder) ->
folder = {
name: rawFolder.name
id: rawFolder._id
type: "folder"
children: []
selected: (rawFolder._id == @selected_entity_id)
}
for doc in rawFolder.docs or []
folder.children.push {
name: doc.name
id: doc._id
type: "doc"
selected: (doc._id == @selected_entity_id)
}
for file in rawFolder.fileRefs or []
folder.children.push {
name: file.name
id: file._id
type: "file"
selected: (file._id == @selected_entity_id)
}
for childFolder in rawFolder.folders or []
folder.children.push @_parseFolder(childFolder)
return folder
loadDeletedDocs: () ->
@$scope.deletedDocs = []
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for doc in @$scope.project.deletedDocs or []
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@$scope.deletedDocs.push {
name: doc.name
id: doc._id
type: "doc"
deleted: true
}
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recalculateDocList: () ->
@$scope.docs = []
@forEachEntity (entity, parentFolder, path) =>
if entity.type == "doc" and !entity.deleted
@$scope.docs.push {
doc: entity
path: path
}
getEntityPath: (entity) ->
@_getEntityPathInFolder @$scope.rootFolder, entity
_getEntityPathInFolder: (folder, entity) ->
for child in folder.children or []
if child == entity
return entity.name
else if child.type == "folder"
path = @_getEntityPathInFolder(child, entity)
if path?
return child.name + "/" + path
return null
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getCurrentFolder: () ->
# Return the root folder if nothing is selected
@_getCurrentFolder(@$scope.rootFolder) or @$scope.rootFolder
_getCurrentFolder: (startFolder = @$scope.rootFolder) ->
for entity in startFolder.children or []
# The 'current' folder is either the one selected, or
# the one containing the selected doc/file
if entity.selected
if entity.type == "folder"
return entity
else
return startFolder
if entity.type == "folder"
result = @_getCurrentFolder(entity)
return result if result?
return null
createDoc: (name, parent_folder = @getCurrentFolder()) ->
# We'll wait for the socket.io notification to actually
# add the doc for us.
@ide.$http.post "/project/#{@ide.project_id}/doc", {
name: name,
parent_folder_id: parent_folder?.id
_csrf: window.csrfToken
}
createFolder: (name, parent_folder = @getCurrentFolder()) ->
# We'll wait for the socket.io notification to actually
# add the folder for us.
return @ide.$http.post "/project/#{@ide.project_id}/folder", {
name: name,
parent_folder_id: parent_folder?.id
_csrf: window.csrfToken
}
renameEntity: (entity, name, callback = (error) ->) ->
return if entity.name == name
if name.length < 150
entity.name = name
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return @ide.$http.post "/project/#{@ide.project_id}/#{entity.type}/#{entity.id}/rename", {
name: entity.name,
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_csrf: window.csrfToken
}
deleteEntity: (entity, callback = (error) ->) ->
# We'll wait for the socket.io notification to
# delete from scope.
return @ide.queuedHttp {
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method: "DELETE"
url: "/project/#{@ide.project_id}/#{entity.type}/#{entity.id}"
headers:
"X-Csrf-Token": window.csrfToken
}
moveEntity: (entity, parent_folder, callback = (error) ->) ->
# Abort move if the folder being moved (entity) has the parent_folder as child
# since that would break the tree structure.
return if @_isChildFolder(entity, parent_folder)
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@_moveEntityInScope(entity, parent_folder)
return @ide.queuedHttp.post "/project/#{@ide.project_id}/#{entity.type}/#{entity.id}/move", {
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folder_id: parent_folder.id
_csrf: window.csrfToken
}
_isChildFolder: (parent_folder, child_folder) ->
parent_path = @getEntityPath(parent_folder) or "" # null if root folder
child_path = @getEntityPath(child_folder) or "" # null if root folder
# is parent path the beginning of child path?
return (child_path.slice(0, parent_path.length) == parent_path)
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_deleteEntityFromScope: (entity, options = { moveToDeleted: true }) ->
return if !entity?
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parent_folder = null
@forEachEntity (possible_entity, folder) ->
if possible_entity == entity
parent_folder = folder
if parent_folder?
index = parent_folder.children.indexOf(entity)
if index > -1
parent_folder.children.splice(index, 1)
if entity.type == "doc" and options.moveToDeleted
entity.deleted = true
@$scope.deletedDocs.push entity
_moveEntityInScope: (entity, parent_folder) ->
return if entity in parent_folder.children
@_deleteEntityFromScope(entity, moveToDeleted: false)
parent_folder.children.push(entity)