labels -> metadata

services/web/app/coffee/Features/ProjectMetadata/MetadataController.coffee

@@ -5,6 +5,30 @@ logger = require 'logger-sharelatex'
 
 module.exports = MetadataController =
 
+	getAllLabels: (req, res, next) ->
+		project_id = req.params.project_id
+		logger.log {project_id}, "getting labels for project"
+		MetadataHandler.getMetadataForProject project_id, (err, projectMetadata) ->
+			if err?
+				logger.err {project_id, err}, "[MetadataController] error getting labels from project"
+				return next err
+			res.json {
+				projectId: project_id
+				projectLabels: projectMetadata["labels"]
+			}
+
+	getAllPackages: (req, res, next) ->
+		project_id = req.params.project_id
+		logger.log {project_id}, "getting labels for project"
+		MetadataHandler.getMetadataForProject project_id, (err, projectMetadata) ->
+			if err?
+				logger.err {project_id, err}, "[MetadataController] error getting labels from project"
+				return next err
+			res.json {
+				projectId: project_id
+				projectPackages: projectMetadata["packages"]
+			}
+
 	getAllMetadata: (req, res, next) ->
 		project_id = req.params.project_id
 		logger.log {project_id}, "getting metadata for project"
@@ -33,4 +57,4 @@ module.exports = MetadataController =
 					packages: docMetadata["packages"]
 				}
 			}
-			res.sendStatus(200)
+			res.sendStatus 200

services/web/public/coffee/ide/editor/directives/aceEditor.coffee

@@ -9,11 +9,13 @@ define [
 	"ide/editor/directives/aceEditor/highlights/HighlightsManager"
 	"ide/editor/directives/aceEditor/cursor-position/CursorPositionManager"
 	"ide/editor/directives/aceEditor/track-changes/TrackChangesManager"
-	"ide/editor/directives/aceEditor/labels/LabelsManager"
+	# "ide/editor/directives/aceEditor/labels/LabelsManager"
-	"ide/labels/services/labels"
+	"ide/editor/directives/aceEditor/metadata/MetadataManager"
+	# "ide/labels/services/labels"
+	"ide/metadata/services/metadata"
 	"ide/graphics/services/graphics"
 	"ide/preamble/services/preamble"
-], (App, Ace, SearchBox, ModeList, UndoManager, AutoCompleteManager, SpellCheckManager, HighlightsManager, CursorPositionManager, TrackChangesManager, LabelsManager) ->
+], (App, Ace, SearchBox, ModeList, UndoManager, AutoCompleteManager, SpellCheckManager, HighlightsManager, CursorPositionManager, TrackChangesManager, MetadataManager) ->
 	EditSession = ace.require('ace/edit_session').EditSession
 	ModeList = ace.require('ace/ext/modelist')
 
@@ -35,7 +37,7 @@ define [
 			url = ace.config._moduleUrl(args...) + "?fingerprint=#{window.aceFingerprint}"
 			return url
 
-	App.directive "aceEditor", ($timeout, $compile, $rootScope, event_tracking, localStorage, $cacheFactory, labels, graphics, preamble) ->
+	App.directive "aceEditor", ($timeout, $compile, $rootScope, event_tracking, localStorage, $cacheFactory, metadata, graphics, preamble) ->
 		monkeyPatchSearch($rootScope, $compile)
 
 		return  {
@@ -102,8 +104,9 @@ define [
 				highlightsManager     = new HighlightsManager(scope, editor, element)
 				cursorPositionManager = new CursorPositionManager(scope, editor, element, localStorage)
 				trackChangesManager   = new TrackChangesManager(scope, editor, element)
-				labelsManager = new LabelsManager(scope, editor, element, labels)
+				metadataManager = new metadataManager(scope, editor, element, metadata)
-				autoCompleteManager = new AutoCompleteManager(scope, editor, element, labelsManager, graphics, preamble)
+				# labelsManager = new LabelsManager(scope, editor, element, labels)
+				autoCompleteManager = new AutoCompleteManager(scope, editor, element, metadataManager, graphics, preamble)
 
 
 				# Prevert Ctrl|Cmd-S from triggering save dialog

services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/AutoCompleteManager.coffee

@@ -9,7 +9,7 @@ define [
 	aceSnippetManager = ace.require('ace/snippets').snippetManager
 
 	class AutoCompleteManager
-		constructor: (@$scope, @editor, @element, @labelsManager, @graphics, @preamble) ->
+		constructor: (@$scope, @editor, @element, @metadataManager, @graphics, @preamble) ->
 			@suggestionManager = new CommandManager()
 
 			@monkeyPatchAutocomplete()
@@ -34,6 +34,8 @@ define [
 				enableLiveAutocompletion: false
 			})
 
+			# metadataManager = @metadataManager
+
 			SnippetCompleter = new EnvironmentManager()
 
 			Graphics = @graphics
@@ -63,7 +65,7 @@ define [
 								}
 							callback null, result
 
-			labelsManager = @labelsManager
+			metadataManager = @metadataManager
 			LabelsCompleter =
 				getCompletions: (editor, session, pos, prefix, callback) ->
 					context = Helpers.getContext(editor, pos)
@@ -80,7 +82,7 @@ define [
 								meta: "cross-reference",
 								score: 60
 							}
-							for label in labelsManager.getAllLabels()
+							for label in metadataManager.getAllLabels()
 								result.push {
 									caption: "\\#{commandName}{#{label}#{if needsClosingBrace then '}' else ''}",
 									value: "\\#{commandName}{#{label}#{if needsClosingBrace then '}' else ''}",

services/web/public/coffee/ide/editor/directives/aceEditor/metadata/MetadataManager.coffee

@@ -0,0 +1,77 @@
+define [
+	"ace/ace"
+], () ->
+	Range = ace.require("ace/range").Range
+
+	getLastCommandFragment = (lineUpToCursor) ->
+		if m = lineUpToCursor.match(/(\\[^\\]+)$/)
+			return m[1]
+		else
+			return null
+
+	class MetadataManager
+		constructor: (@$scope, @editor, @element, @Metadata) ->
+			@debouncer = {} # DocId => Timeout
+
+			onChange = (change) =>
+				if change.remote
+					return
+				if change.action not in ['remove', 'insert']
+					return
+				cursorPosition = @editor.getCursorPosition()
+				end = change.end
+				range = new Range(end.row, 0, end.row, end.column)
+				lineUpToCursor = @editor.getSession().getTextRange(range)
+				commandFragment = getLastCommandFragment(lineUpToCursor)
+
+				linesContainLabel = _.any(
+					change.lines,
+					(line) -> line.match(/\\label\{[^\}\n\\]{0,80}\}/)
+				)
+				linesContainPackage = _.any(
+					change.lines,
+					(line) -> line.match(/\\usepackage(?:\[.*?])?\s*{.*?}/)
+				)
+				linesContainMeta = linesContainPackage or linesContainLabel
+
+				lastCommandFragmentIsLabel = commandFragment?.startsWith '\\label{'
+				lastCommandFragmentIsPackage = commandFragment?.startsWith '\\usepackage'
+				lastCommandFragmentIsMeta = lastCommandFragmentIsPackage or lastCommandFragmentIsLabel
+
+				if linesContainMeta or lastCommandFragmentIsMeta
+					@scheduleLoadCurrentDocMetadataFromServer()
+
+			@editor.on 'changeSession', (e) =>
+				e.oldSession.off 'change', onChange
+				e.session.on 'change', onChange
+
+		loadCurrentDocMetadataFromServer: () ->
+			currentDocId = @$scope.docId
+			@Metadata.loadDocMetadataFromServer currentDocId
+
+		loadDocMetadataFromServer: (docId) ->
+			@Metadata.loadDocMetadataFromServer docId
+
+		scheduleLoadCurrentDocMetadataFromServer: () ->
+			# De-bounce loading labels with a timeout
+			currentDocId = @$scope.docId
+			existingTimeout = @debouncer[currentDocId]
+			if existingTimeout?
+				clearTimeout(existingTimeout)
+				delete @debouncer[currentDocId]
+			@debouncer[currentDocId] = setTimeout(
+				() =>
+					@loadDocMetadataFromServer(currentDocId)
+					delete @debouncer[currentDocId]
+				, 1000
+				, this
+			)
+
+		getAllLabels: () ->
+			@Metadata.getAllLabels()
+
+		getAllPackages: () ->
+			@Metadata.getAllPackages()
+
+		getAllMetadata: () ->
+			@Metadata.getAllMetadata()