tmp working changes from laptop

amanuensis/backend/article.py

@@ -2,7 +2,10 @@
 Article query interface
 """
 
-from sqlalchemy import select
+from typing import Optional
+from uuid import UUID
+
+from sqlalchemy import select, update
 
 from amanuensis.db import *
 from amanuensis.errors import ArgumentError, BackendArgumentTypeError
@@ -42,3 +45,22 @@ def create(
     db.session.add(new_article)
     db.session.commit()
     return new_article
+
+
+def try_from_public_id(db: DbContext, public_id: UUID) -> Optional[Article]:
+    """Get an article by its public id."""
+    return db(
+        select(Article).where(Article.public_id == public_id)
+    ).scalar_one_or_none()
+
+
+def update_state(
+    db: DbContext, article_id: int, title: str, body: str, state: ArticleState
+):
+    """Update an article."""
+    db(
+        update(Article)
+        .where(Article.id == article_id)
+        .values(title=title, body=body, state=state)
+    )
+    db.session.commit()

amanuensis/cli/__init__.py

@@ -5,6 +5,7 @@ import os
 from typing import Callable
 
 import amanuensis.cli.admin
+import amanuensis.cli.article
 import amanuensis.cli.character
 import amanuensis.cli.index
 import amanuensis.cli.lexicon
@@ -111,6 +112,7 @@ def main():
     # Add commands from cli submodules
     subparsers = parser.add_subparsers(metavar="COMMAND")
     add_subcommand(subparsers, amanuensis.cli.admin)
+    add_subcommand(subparsers, amanuensis.cli.article)
     add_subcommand(subparsers, amanuensis.cli.character)
     add_subcommand(subparsers, amanuensis.cli.index)
     add_subcommand(subparsers, amanuensis.cli.lexicon)

amanuensis/cli/article.py

@@ -0,0 +1,30 @@
+import logging
+
+from amanuensis.backend import *
+from amanuensis.db import *
+
+from .helpers import add_argument
+
+
+COMMAND_NAME = "article"
+COMMAND_HELP = "Interact with articles."
+
+LOG = logging.getLogger(__name__)
+
+
+@add_argument("--lexicon", required=True, help="The lexicon's name")
+@add_argument("--character", required=True, help="The character's public id")
+def command_create(args) -> int:
+    """
+    Create an article in a draft state.
+    """
+    db: DbContext = args.get_db()
+    lexicon = lexiq.try_from_name(db, args.lexicon)
+    if not lexicon:
+        raise ValueError("Lexicon does not exist")
+    char = charq.try_from_public_id(db, args.character)
+    if not char:
+        raise ValueError("Character does not exist")
+    article: Article = artiq.create(db, lexicon.id, char.id)
+    LOG.info(f"Created article {article.id} in {lexicon.full_title}")
+    return 0

amanuensis/lexicon/__init__.py

@@ -1,32 +0,0 @@
-from .admin import (
-	valid_name,
-	create_lexicon,
-	load_all_lexicons)
-from .gameloop import (
-	get_player_characters,
-	get_player_drafts,
-	get_draft,
-	title_constraint_analysis,
-	content_constraint_analysis,
-	sort_by_index_spec,
-	attempt_publish)
-from .setup import (
-	player_can_join_lexicon,
-	add_player_to_lexicon,
-	create_character_in_lexicon)
-
-__all__ = [member.__name__ for member in [
-	valid_name,
-	create_lexicon,
-	load_all_lexicons,
-	get_player_characters,
-	get_player_drafts,
-	get_draft,
-	title_constraint_analysis,
-	content_constraint_analysis,
-	sort_by_index_spec,
-	attempt_publish,
-	player_can_join_lexicon,
-	add_player_to_lexicon,
-	create_character_in_lexicon,
-]]

amanuensis/lexicon/citation.py

@@ -0,0 +1,131 @@
+"""
+Submodule for citation logic.
+"""
+
+import enum
+from typing import Sequence, Set, List, Dict, Union
+
+from amanuensis.backend import *
+from amanuensis.db import Lexicon, Article
+from amanuensis.parser import *
+
+
+class CitationNodeType(enum.Enum):
+    ExtantWritten = 0
+    """Title of an article that was previously written."""
+
+    ExtantPhantom = 1
+    """Unwritten title cited by an extant written article."""
+
+    NewDraft = 2
+    """Title of a pending article with a new title."""
+
+    PhantomDraft = 3
+    """Title of a pending article with a phantom title."""
+
+    PhantomPending = 4
+    """Unwritten title cited by a draft article."""
+
+
+class CitationNode:
+    """
+    Represents an article in the context of citations. Phantom articles do not
+    correspond to articles in the database.
+    """
+
+    def __init__(self, title: str, node_type: CitationNodeType) -> None:
+        self.title: str = title
+        self.cites: Set[CitationNode] = set()
+        self.cited_by: Set[CitationNode] = set()
+        self.node_type: CitationNodeType = node_type
+
+
+class CitationMap:
+    """Represents metadata about which articles cite each other."""
+
+    def __init__(self) -> None:
+        self.by_title: Dict[str, CitationNode] = {}
+
+    def __contains__(self, title: str) -> bool:
+        return title in self.by_title
+
+    def __getitem__(self, title: str) -> CitationNode:
+        return self.by_title[title]
+
+    def get_or_add(self, title: str, node_type: CitationNodeType) -> CitationNode:
+        """
+        Get the citation node for a title. If one does not exist, create it
+        with the given type.
+        """
+        if title not in self.by_title:
+            self.add(title, node_type)
+        return self.by_title[title]
+
+    def add(self, title: str, node_type: CitationNodeType) -> None:
+        """
+        Create a citation node with the given title and type.
+        """
+        self.by_title[title] = CitationNode(title, node_type)
+
+    def create_citation(
+        self, citer: Union[CitationNode, str], cited: Union[CitationNode, str]
+    ) -> None:
+        """Add a citation between two titles."""
+        if isinstance(citer, str):
+            citer = self.by_title[citer]
+        if isinstance(cited, str):
+            cited = self.by_title[cited]
+        citer.cites.add(cited)
+        cited.cited_by.add(citer)
+
+
+class GetCitations(RenderableVisitor):
+    """Returns a list of all article titles cited in this article."""
+    def __init__(self) -> None:
+        self.citations: List[str] = []
+
+    def CitationSpan(self, span):
+        self.citations.append(span.cite_target)
+
+    def ParsedArticle(self, span):
+        return self.citations
+
+
+def create_citation_map(lexicon: Lexicon, articles: Sequence[Article]) -> CitationMap:
+    """
+    Generates mappings useful for tracking citations.
+    """
+    article: Article
+    citemap = CitationMap()
+
+    # Add extant articles to the citation map
+    for article in articles:
+        if article.turn < lexicon.current_turn:
+            citemap.add(article.title, CitationNodeType.ExtantWritten)
+
+    # Add phantoms created by extant articles
+    for article in articles:
+        if article.turn < lexicon.current_turn:
+            parsed = parse_raw_markdown(article.body)
+            citeds = parsed.render(GetCitations())
+            for cited in citeds:
+                cited_node = citemap.get_or_add(cited, CitationNodeType.ExtantPhantom)
+                citemap.create_citation(article.title, cited_node)
+
+    # Add drafts, noting new and phantom drafts
+    for article in articles:
+        if article.turn >= lexicon.current_turn:
+            draft_node = citemap.get_or_add(article.title, CitationNodeType.NewDraft)
+            if draft_node.node_type == CitationNodeType.ExtantPhantom:
+                draft_node.node_type = CitationNodeType.PhantomDraft
+
+    # Add phantoms created by drafts
+    for article in articles:
+        if article.turn >= lexicon.current_turn:
+            parsed = parse_raw_markdown(article.body)
+            citeds = parsed.render(GetCitations())
+            for cited in citeds:
+                cited_node = citemap.get_or_add(cited, CitationNodeType.PhantomPending)
+                citemap.create_citation(article.title, cited_node)
+
+    return citemap

amanuensis/lexicon/constraint.py

@@ -0,0 +1,168 @@
+import re
+from typing import Sequence
+
+from amanuensis.db import *
+from amanuensis.parser import *
+
+from .citation import CitationMap, CitationNodeType, create_citation_map
+
+
+class ConstraintCheck(RenderableVisitor):
+    """Analyzes an article for content-based constraint violations."""
+
+    def __init__(self) -> None:
+        self.word_count: int = 0
+        self.signatures: int = 0
+
+    def TextSpan(self, span):
+        self.word_count += len(re.split(r"\s+", span.innertext.strip()))
+        return self
+
+    def SignatureParagraph(self, span):
+        self.signatures += 1
+        span.recurse(self)
+        return self
+
+
+class ConstraintMessage:
+    INFO = 0
+    WARNING = 1
+    ERROR = 2
+
+    def __init__(self, severity: int, message: str) -> None:
+        self.severity = severity
+        self.message = message
+
+    @staticmethod
+    def info(message) -> "ConstraintMessage":
+        return ConstraintMessage(ConstraintMessage.INFO, message)
+
+    @staticmethod
+    def warning(message) -> "ConstraintMessage":
+        return ConstraintMessage(ConstraintMessage.WARNING, message)
+
+    @staticmethod
+    def error(message) -> "ConstraintMessage":
+        return ConstraintMessage(ConstraintMessage.ERROR, message)
+
+    @property
+    def is_error(self) -> bool:
+        return self.severity == ConstraintMessage.ERROR
+
+    def json(self):
+        return {"severity": self.severity, "message": self.message}
+
+
+def constraint_check(
+    article: Article,
+    parsed: Renderable,
+    citemap: CitationMap,
+) -> Sequence[ConstraintMessage]:
+    """"""
+    messages = []
+    # TODO: Need
+    # player index assignments for article turn
+    # extant article titles
+    # pending article titles
+    # phantom article titles
+    # pending phantom article titles
+    # index capacities
+    title = article.title
+    # author_id = article.character_id
+
+    ###
+    # Constraints that apply to the title
+    ###
+
+    # I: Current index assignments
+    # TODO
+
+    # E: No title
+    if not article.title:
+        messages.append(ConstraintMessage.error("Missing title"))
+
+    if citemap[title].node_type == CitationNodeType.NewDraft:
+        # I: This article is new
+        messages.append(ConstraintMessage.info("Writing a new article"))
+
+        # E: New articles are forbidden
+        # TODO
+
+    if citemap[title].node_type == CitationNodeType.PhantomDraft:
+        # I: This article is a phantom
+        messages.append(ConstraintMessage.info("Writing a phantom article")
+
+    # I: This article is an addendum
+    # TODO
+    # E: And the user is at the addendum limit
+    # TODO
+
+    # E: This article has already been written and addendums are disabled
+    # TODO
+
+    # I: This article's index
+    # TODO
+
+    # E: The article does not fulfill the player's index assignment
+    # TODO
+
+    # E: The index does not have room for a new article
+    # TODO
+
+    # E: The player has cited this phantom article before
+    # TODO
+
+    # W: Another player is writing an article with this title
+    # TODO
+
+    # E: Another player has an approved article with this title
+    # TODO
+
+    # W: The article's title matches a character's name
+    # TODO
+
+    check_result: ConstraintCheck = parsed.render(ConstraintCheck())
+
+    # I: Word count
+    messages.append(ConstraintMessage.info(f"Word count: {check_result.word_count}"))
+
+    # E: Self-citation when forbidden
+    # TODO
+
+    # W: A new citation matches a character's name
+    # TODO
+
+    # W: The article cites itself
+    # TODO
+
+    # E: A new citation would create more articles than can be written
+    # TODO
+
+    # E: Extant citation count requirements
+    # TODO
+
+    # E: Phantom citation count requirements
+    # TODO
+
+    # E: New citation count requirements
+    # TODO
+
+    # E: Character citation count requirements
+    # TODO
+
+    # E: Total citation count requirements
+    # TODO
+
+    # E: Exceeded hard word limit
+    # TODO
+
+    # W: Exceeded soft word limit
+    # TODO
+
+    # W: Missing or multiple signatures
+    if check_result.signatures < 1:
+        messages.append(ConstraintMessage.warning("Missing signature paragraph"))
+    if check_result.signatures > 1:
+        messages.append(ConstraintMessage.warning("More than one signature paragraph"))
+
+    return messages

amanuensis/lexicon/gameloop.py

@@ -99,54 +99,6 @@ class HtmlRenderer(RenderableVisitor):
 		return f'<a href="{link}"{link_class}>{"".join(span.recurse(self))}</a>'
 
 
-def get_player_characters(
-	lexicon: LexiconModel,
-	uid: str) -> Iterable[ReadOnlyOrderedDict]:
-	"""
-	Returns each character in the lexicon owned by the given player
-	"""
-	for character in lexicon.cfg.character.values():
-		if character.player == uid:
-			yield character
-
-
-def get_player_drafts(
-	lexicon: LexiconModel,
-	uid: str) -> Iterable[ReadOnlyOrderedDict]:
-	"""
-	Returns each draft in the lexicon by a character owned by the
-	given player.
-	"""
-	characters = list(get_player_characters(lexicon, uid))
-	drafts: List[Any] = []
-	for filename in lexicon.ctx.draft.ls():
-		for character in characters:
-			if filename.startswith(character.cid):
-				drafts.append(filename)
-				break
-	for i in range(len(drafts)):
-		with lexicon.ctx.draft.read(drafts[i]) as draft:
-			drafts[i] = draft
-	return drafts
-
-
-def get_draft(
-	lexicon: LexiconModel,
-	aid: str) -> Optional[ReadOnlyOrderedDict]:
-	"""
-	Loads an article from its id
-	"""
-	article_fn = None
-	for filename in lexicon.ctx.draft.ls():
-		if filename.endswith(f'{aid}.json'):
-			article_fn = filename
-			break
-	if not article_fn:
-		return None
-	with lexicon.ctx.draft.read(article_fn) as article:
-		return article
-
-
 def title_constraint_analysis(
 	lexicon: LexiconModel,
 	player: UserModel,

amanuensis/lexicon/manage.py

@@ -1,99 +0,0 @@
-# """
-# Functions for managing lexicons, primarily within the context of the
-# Amanuensis config directory.
-# """
-# import json
-# import os
-# import re
-# import shutil
-# import time
-# import uuid
-
-# from amanuensis.config import prepend, json_rw, json_ro, logger
-# from amanuensis.config.loader import AttrOrderedDict
-# from amanuensis.errors import ArgumentError
-# from amanuensis.lexicon import LexiconModel
-# from amanuensis.parser import parse_raw_markdown, filesafe_title, titlesort
-# from amanuensis.resources import get_stream
-
-
-
-
-
-# def delete_lexicon(lex, purge=False):
-# 	"""
-# 	Deletes the given lexicon from the internal configuration
-
-# 	Does not delete the lexicon from the data folder unless purge=True.
-# 	"""
-# 	# Verify arguments
-# 	if lex is None:
-# 		raise ArgumentError("Invalid lexicon: '{}'".format(lex))
-
-# 	# Delete the lexicon from the index
-# 	with json_rw('lexicon', 'index.json') as index:
-# 		if lex.name in index:
-# 			del index[lex.name]
-
-# 	# Delete the lexicon data folder if purging
-# 	if purge:
-# 		raise NotImplementedError()
-
-# 	# Delete the lexicon config
-# 	lex_path = prepend('lexicon', lex.id)
-# 	shutil.rmtree(lex_path)
-
-
-# def get_user_lexicons(user):
-# 	"""
-# 	Loads each lexicon that the given user is a player in
-# 	"""
-# 	return [
-# 		lexicon
-# 		for lexicon in get_all_lexicons()
-# 		if user.in_lexicon(lexicon)]
-
-
-# def remove_player(lex, player):
-# 	"""
-# 	Remove a player from a lexicon
-# 	"""
-# 	# Verify arguments
-# 	if lex is None:
-# 		raise ArgumentError("Invalid lexicon: '{}'".format(lex))
-# 	if player is None:
-# 		raise ArgumentError("Invalid player: '{}'".format(player))
-# 	if lex.editor == player.id:
-# 		raise ArgumentError(
-# 			"Can't remove the editor '{}' from lexicon '{}'".format(
-# 				player.username, lex.name))
-
-# 	# Idempotently remove player
-# 	with json_rw(lex.config_path) as cfg:
-# 		if player.id in cfg.join.joined:
-# 			cfg.join.joined.remove(player.id)
-
-# 	# TODO Reassign the player's characters to the editor
-
-
-# def delete_character(lex, charname):
-# 	"""
-# 	Delete a character from a lexicon
-# 	"""
-# 	# Verify arguments
-# 	if lex is None:
-# 		raise ArgumentError("Invalid lexicon: '{}'".format(lex))
-# 	if charname is None:
-# 		raise ArgumentError("Invalid character name: '{}'".format(charname))
-
-# 	# Find character in this lexicon
-# 	matches = [
-# 		char for cid, char in lex.character.items()
-# 		if char.name == charname]
-# 	if len(matches) != 1:
-# 		raise ArgumentError(matches)
-# 	char = matches[0]
-
-# 	# Remove character from character list
-# 	with json_rw(lex.config_path) as cfg:
-# 		del cfg.character[char.cid]

amanuensis/lexicon/setup.py

@@ -1,81 +0,0 @@
-"""
-Submodule of functions for managing lexicon games during the setup and
-joining part of the game lifecycle.
-"""
-import json
-import uuid
-
-from amanuensis.config import AttrOrderedDict
-from amanuensis.errors import ArgumentError
-from amanuensis.models import LexiconModel, UserModel
-from amanuensis.resources import get_stream
-
-
-def player_can_create_character(
-	player: UserModel,
-	lexicon: LexiconModel,
-	name: str) -> bool:
-	"""
-	Checks whether a player can create a character with the given name
-	"""
-	# Trivial failures
-	if not player or not lexicon or not name:
-		return False
-	# User needs to be a player
-	if player.uid not in lexicon.cfg.join.joined:
-		return False
-	# Character can't be a dupe
-	if any([
-			char.name for char in lexicon.cfg.character.values()
-			if char.name == name]):
-		return False
-	# Player can't add more characters than the limit
-	if len([
-			char for char in lexicon.cfg.character.values()
-			if char.player == player.uid]) > lexicon.cfg.join.chars_per_player:
-		return False
-	# Players can't add characters after the game has started
-	if lexicon.cfg.turn.current:
-		return False
-	return True
-
-
-def create_character_in_lexicon(
-	player: UserModel,
-	lexicon: LexiconModel,
-	name: str) -> str:
-	"""
-	Unconditionally creates a character for a player
-	"""
-	# Verify arguments
-	if lexicon is None:
-		raise ArgumentError(f'Invalid lexicon: {lexicon}')
-	if player is None:
-		raise ArgumentError(f'Invalid player: {player}')
-	if player.uid not in lexicon.cfg.join.joined:
-		raise ArgumentError(f'Player {player} not in lexicon {lexicon}')
-	if not name:
-		raise ArgumentError(f'Invalid character name: "{name}"')
-	if any([
-			char.name for char in lexicon.cfg.character.values()
-			if char.name == name]):
-		raise ArgumentError(f'Duplicate character name: "{name}"')
-
-	# Load the character template
-	with get_stream('character.json') as template:
-		character = json.load(template, object_pairs_hook=AttrOrderedDict)
-
-	# Fill out the character's information
-	character.cid = uuid.uuid4().hex
-	character.name = name
-	character.player = player.uid
-	character.signature = "~" + character.name
-
-	# Add the character to the lexicon
-	with lexicon.ctx.edit_config() as cfg:
-		cfg.character.new(character.cid, character)
-
-	# Log addition
-	lexicon.log(f'Character "{name}" created ({character.cid})')
-
-	return character.cid

amanuensis/parser/__init__.py

@@ -2,11 +2,12 @@
 Module encapsulating all markdown parsing functionality.
 """
 
-from .core import RenderableVisitor
+from .core import RenderableVisitor, Renderable
 from .helpers import normalize_title, filesafe_title, titlesort
 from .parsing import parse_raw_markdown
 
 __all__ = [
+    "Renderable",
     "RenderableVisitor",
     "normalize_title",
     "filesafe_title",

amanuensis/resources/editor.css

@@ -4,9 +4,8 @@ html, body {
     margin: 0px;
 }
 div#wrapper {
-	max-width: 1128px;
     height: 100%;
-	display:flex;
+    display: flex;
     flex-direction: row;
     align-items: stretch;
 }

amanuensis/resources/editor.js

@@ -1,126 +1,154 @@
-// Reduce unnecessary requests by checking for no further changes being made
+(function(){
-// before updating in response to a change.
+    /** Article submission state. */
-var nonce = 0;
+    const ArticleState = {
+        DRAFT: 0,
+        SUBMITTED: 1,
+        APPROVED: 2
+    };
 
-function ifNoFurtherChanges(callback, timeout=2000) {
+    /** Article state to be tracked in addition to the editable content. */
-	var nonce_local = Math.random();
+    var article = {
+        state: undefined,
+        ersatz: false
+    };
+
+    /** Article content as last received from the server. */
+    var preview = {
+        title: undefined,
+        rendered: undefined,
+        citations: [],
+        messages: []
+    }
+
+    /** The nonce of the last-made update request. */
+    let nonce = 0;
+
+    /**
+     * Update request debounce wrapper that executes the callback if no further
+     * calls are made during the timeout period. If a new call is made, any
+     * previous calls are skipped.
+     */
+    function ifNoFurtherChanges(callback, timeout)
+    {
+        // Stake a claim on the nonce, potentially overwriting a previous
+        // nonce value.
+        const nonce_local = 1 + Math.random();
         nonce = nonce_local;
+        // Wait to see if this call is overwritten in turn.
         setTimeout(() => {
-		if (nonce == nonce_local) {
+            if (nonce == nonce_local)
+            {
                 callback();
                 nonce = 0;
             }
         }, timeout);
-}
-
-// Read data out of params and initialize editor
-window.onload = function() {
-	// Kill noscript message first
-	document.getElementById("preview").innerHTML = "<p>&nbsp;</p>";
-
-	if (document.body.contains(document.getElementById("editor-content"))) {
-		onContentChange(0);
     }
-};
 
-function buildArticleObject() {
+    /** Update the editor controls and preview to match the current state. */
-	var title = document.getElementById("editor-title").value;
+    function refreshEditor()
-	var contents = document.getElementById("editor-content").value;
+    {
-	return {
+        // Enable or disable controls
-		aid: params.article.aid,
+        const isEditable = article.state == ArticleState.DRAFT;
-		title: title,
+        const blocked = preview.messages.filter(msg => msg.severity == 2).length > 0;
-		status: params.article.status,
+        document.getElementById("editor-title").disabled = !isEditable;
-		contents: contents
+        document.getElementById("editor-content").disabled = !isEditable;
-	};
+        document.getElementById("button-submit").innerText = isEditable ? "Submit article" : "Edit article";
-}
+        document.getElementById("button-submit").disabled = blocked;
 
-function update(article) {
+        // Update the preview
-	var req = new XMLHttpRequest();
+        const previewHtml = "<h1>" + preview.title + "</h1>\n" + preview.rendered;
-	req.open("POST", params.updateURL, true);
-	req.setRequestHeader("Content-type", "application/json");
-	req.responseType = "json";
-	req.onreadystatechange = function () {
-		if (req.readyState == 4 && req.status == 200) {
-			// Update internal state with the returned article object
-			params.status = req.response.status;
-			params.errors = req.response.error.length;
-			document.getElementById("editor-title").value = req.response.title;
-			// Set editor editability based on article status
-			updateEditorStatus();
-			// Update the preview with the parse information
-			updatePreview(req.response);
-		}
-	};
-	var payload = { article: article };
-	req.send(JSON.stringify(payload));
-}
-
-function updateEditorStatus() {
-	var ready = !!params.status.ready || !!params.status.approved;
-	document.getElementById("editor-title").disabled = ready;
-	document.getElementById("editor-content").disabled = ready;
-	var hasErrors = params.errors > 0;
-	var submitButton = document.getElementById("button-submit");
-	submitButton.innerText = ready ? "Edit article" : "Submit article";
-	submitButton.disabled = hasErrors;
-}
-
-function updatePreview(response) {
-	var previewHtml = "<h1>" + response.title + "</h1>\n" + response.rendered;
         document.getElementById("preview").innerHTML = previewHtml;
 
-	var citations = "<ol>";
+        // Fill in the citation block
-	for (var i = 0; i < response.citations.length; i++) {
+        let citations = "<ol>";
-		citations += "<li>" + response.citations[i] + "</li>";
+        preview.citations.forEach(cit => citations += "<li>" + JSON.stringify(cit) + "</li>");
-	}
         citations += "</ol>";
         document.getElementById("preview-citations").innerHTML = citations;
 
-	var info = "";
+        // Fill in the status message block
-	for (var i = 0; i < response.info.length; i++) {
+        let statuses = "<ol>";
-		info += "<span class=\"message-info\">" + response.info[i] + "</span><br>";
+        preview.messages.forEach(err => statuses += "<li>" + JSON.stringify(err) + "</li>");
+        statuses += "<ol>";
+        document.getElementById("preview-control").innerHTML = statuses;
     }
-	var warning = "";
-	for (var i = 0; i < response.warning.length; i++) {
-		warning += "<span class=\"message-warning\">" + 
-			response.warning[i] + "</span><br>";
-	}
-	var error = "";
-	for (var i = 0; i < response.error.length; i++) {
-		error += "<span class=\"message-error\">" + response.error[i] + "</span><br>";
-	}
-	var control = info + warning + error;
-	document.getElementById("preview-control").innerHTML = control;
-}
 
-function onContentChange(timeout=2000) {
+    /** Update the current state with the given data and refresh the editor. */
+    function updateState(data)
+    {
+        article.state = data.state;
+        article.ersatz = data.ersatz;
+        preview.title = data.title;
+        preview.rendered = data.rendered;
+        preview.citations = data.citations;
+        preview.messages = data.messages;
+        refreshEditor();
+    }
+
+    /** Send the article's current content to the server. */
+    function update()
+    {
+        const updateUrl = document.body.dataset.amanuensisUpdateUrl;
+        const data = {
+            title: document.getElementById("editor-title").value,
+            body: document.getElementById("editor-content").value,
+            state: article.state
+        };
+        fetch(updateUrl, {
+            method: "POST",
+            headers: {
+                "Content-Type": "application/json"
+            },
+            body: JSON.stringify(data)
+        }).then(response => response.json()).then(updateState);
+    }
+
+    function onContentChange(e, timeout=2000)
+    {
+        ifNoFurtherChanges(update, timeout);
+    }
+
+    function submitArticle()
+    {
         ifNoFurtherChanges(() => {
-		var article = buildArticleObject();
+            article.state = (article.state == ArticleState.DRAFT
-		update(article);
+                ? ArticleState.SUBMITTED
-	}, timeout);
+                : ArticleState.DRAFT);
-}
+            update();
+        },
+        /* timeout: */ 0);
+    }
 
-function submitArticle() {
+    /** Initialize the editor on page load. */
-	ifNoFurtherChanges(() => {
+    function initializeEditor()
-		params.article.status.ready = !params.article.status.ready;
+    {
-		var article = buildArticleObject();
+        // Kill the noscript message
-		update(article);
+        document.getElementById("preview").innerHTML = "<p>Loading...</p>";
-	}, 0);
+        document.getElementById("preview-citations").innerHTML = "<p>Loading...</p>";
-}
+        document.getElementById("preview-control").innerHTML = "<p>Loading...</p>";
 
-window.addEventListener("beforeunload", function(e) {
+        // Hook up the controls
-	if (nonce != 0) {
+        document.getElementById("button-submit").onclick = submitArticle;
+        document.getElementById("editor-title").oninput = onContentChange;
+        document.getElementById("editor-content").oninput = onContentChange;
+        window.addEventListener("beforeunload", e =>
+        {
+            if (nonce > 0)
+            {
                 e.returnValue = "Are you sure?";
             }
-});
+        });
+        window.addEventListener("keydown", e =>
+        {
+            if (e.ctrlKey && e.key == 's')
+            {
+                e.preventDefault();
+                onContentChange(e, 0);
+            }
+        });
 
-window.addEventListener("keydown", function(event) {
+        // Get the article status information.
-	if (event.ctrlKey || event.metaKey)
+        const updateUrl = document.body.dataset.amanuensisUpdateUrl;
-	{
+        fetch(updateUrl).then(response => response.json()).then(updateState);
-		if (String.fromCharCode(event.which).toLowerCase() == 's')
-		{
-			event.preventDefault();
-			onContentChange(0);
     }
-	}
+    window.onload = initializeEditor;
-});
+})();

amanuensis/server/forms.py

@@ -1,33 +0,0 @@
-from flask import current_app
-from wtforms.validators import ValidationError
-
-from amanuensis.config import RootConfigDirectoryContext
-
-
-# Custom validators
-def User(should_exist: bool = True):
-	template: str = 'User "{{}}" {}'.format(
-		"not found" if should_exist else "already exists")
-	should_exist_copy: bool = bool(should_exist)
-
-	def validate_user(form, field):
-		root: RootConfigDirectoryContext = current_app.config['root']
-		with root.user.read_index() as index:
-			if (field.data in index.keys()) != should_exist_copy:
-				raise ValidationError(template.format(field.data))
-
-	return validate_user
-
-
-def Lexicon(should_exist: bool = True):
-	template: str = 'Lexicon "{{}}" {}'.format(
-		"not found" if should_exist else "already exists")
-	should_exist_copy: bool = bool(should_exist)
-
-	def validate_lexicon(form, field):
-		root: RootConfigDirectoryContext = current_app.config['root']
-		with root.lexicon.read_index() as index:
-			if (field.data in index.keys()) != should_exist_copy:
-				raise ValidationError(template.format(field.data))
-
-	return validate_lexicon

amanuensis/server/lexicon.jinja

@@ -15,6 +15,9 @@
     {% if current_page == "contents" %}class="current-page"
     {% else %}href="{{ url_for('lexicon.contents', lexicon_name=g.lexicon.name) }}"
     {% endif %}>Contents</a>{% endblock %}
+{% block sb_editor %}<a 
+    href="{{ url_for('lexicon.editor.select', lexicon_name=g.lexicon.name) }}"
+    >Editor</a>{% endblock %}
 {% block sb_posts %}<a 
     {% if current_page == "posts" %}class="current-page"
     {% else %}href="{{ url_for('lexicon.posts.list', lexicon_name=g.lexicon.name) }}"
@@ -35,6 +38,7 @@
 {% set template_sidebar_rows = [
     self.sb_characters(),
     self.sb_contents(),
+    self.sb_editor(),
     self.sb_posts(),
     self.sb_rules(),
     self.sb_settings(),

amanuensis/server/lexicon/__init__.py

@@ -7,6 +7,7 @@ from amanuensis.errors import ArgumentError
 from amanuensis.server.helpers import lexicon_param, player_required_if_not_public
 
 from .characters import bp as characters_bp
+from .editor import bp as editor_bp
 from .forms import LexiconJoinForm
 from .posts import bp as posts_bp
 from .settings import bp as settings_bp
@@ -16,6 +17,7 @@ bp = Blueprint(
     "lexicon", __name__, url_prefix="/lexicon/<lexicon_name>", template_folder="."
 )
 bp.register_blueprint(characters_bp)
+bp.register_blueprint(editor_bp)
 bp.register_blueprint(posts_bp)
 bp.register_blueprint(settings_bp)
 

amanuensis/server/lexicon/editor/__init__.py

@@ -0,0 +1,155 @@
+from flask import Blueprint, render_template, g, abort, request
+
+from amanuensis.backend import *
+from amanuensis.db import *
+from amanuensis.lexicon.constraint import (
+    title_constraint_check,
+    content_constraint_check,
+)
+from amanuensis.parser import *
+from amanuensis.server.helpers import lexicon_param, player_required
+
+
+bp = Blueprint("editor", __name__, url_prefix="/editor", template_folder=".")
+
+
+class PreviewHtmlRenderer(RenderableVisitor):
+    """Parses stylistic markdown and stores citations as footnotes."""
+
+    def __init__(self) -> None:
+        self.citations: list = []
+        self.rendered: str = ""
+
+    # Translate the leaf spans to text
+    def TextSpan(self, span):
+        return span.innertext
+
+    def LineBreak(self, span):
+        return "<br>"
+
+    # Translate the simple container spans to text
+    def BoldSpan(self, span):
+        return f'<b>{"".join(span.recurse(self))}</b>'
+
+    def ItalicSpan(self, span):
+        return f'<i>{"".join(span.recurse(self))}</i>'
+
+    # Record citations in the visitor, then translate the span to text as an
+    # underline and footnote number
+    def CitationSpan(self, span):
+        self.citations.append({"title": span.cite_target, "type": "phantom"})
+        return f'<u>{"".join(span.recurse(self))}</u>[{len(self.citations)}]'
+
+    # Translate the paragraph-level containers to their text contents
+    def BodyParagraph(self, span):
+        return f'<p>{"".join(span.recurse(self))}</p>'
+
+    def SignatureParagraph(self, span):
+        return (
+            '<hr><span class="signature"><p>'
+            f'{"".join(span.recurse(self))}'
+            "</p></span>"
+        )
+
+    # Return the visitor from the top-level article span after saving the full
+    # text parsed from the child spans
+    def ParsedArticle(self, span):
+        self.contents = "\n".join(span.recurse(self))
+        return self
+
+
+@bp.get("/")
+@lexicon_param
+@player_required
+def select(lexicon_name):
+    return {}
+
+
+@bp.get("/<uuid:article_id>")
+@lexicon_param
+@player_required
+def open(lexicon_name, article_id):
+    article = artiq.try_from_public_id(g.db, article_id)
+    if not article:
+        return abort(404)
+    return render_template(
+        "session.editor.jinja",
+        lexicon_name=lexicon_name,
+        article=article,
+    )
+
+
+@bp.get("/<uuid:article_id>/update")
+@lexicon_param
+@player_required
+def load(lexicon_name, article_id):
+    # Get the article
+    article = artiq.try_from_public_id(g.db, article_id)
+    if not article:
+        return abort(404)
+
+    # Generate the preview HTML
+    parsed = parse_raw_markdown(article.body)
+    preview_result: PreviewHtmlRenderer = parsed.render(PreviewHtmlRenderer())
+
+    # Check article content against constraints
+    messages = title_constraint_check(article.title)
+    messages.extend(content_constraint_check(parsed))
+
+    # Return the article information to the editor
+    msg_list = list([msg.json() for msg in messages])
+    return {
+        "title": article.title,
+        "rendered": preview_result.contents,
+        "state": article.state.value,
+        "ersatz": article.ersatz,
+        "citations": preview_result.citations,
+        "messages": msg_list,
+    }
+
+
+@bp.post("/<uuid:article_id>/update")
+def update(lexicon_name, article_id):
+    # Get the article
+    article = artiq.try_from_public_id(g.db, article_id)
+    if not article:
+        return abort(404)
+
+    # Extract the submitted content
+    new_title = request.json["title"]
+    new_body = request.json["body"]
+    new_state = ArticleState(request.json["state"])
+
+    # Generate the preview HTML from the submitted content
+    parsed = parse_raw_markdown(new_body)
+    preview_result: PreviewHtmlRenderer = parsed.render(PreviewHtmlRenderer())
+
+    # Check article content against constraints
+    messages = title_constraint_check(new_title)
+    messages.extend(content_constraint_check(parsed))
+
+    # Block submission if the article is a draft with errors
+    has_errors = any([msg for msg in messages if msg.is_error])
+    if (
+        article.state == ArticleState.DRAFT
+        and new_state != ArticleState.DRAFT
+        and has_errors
+    ):
+        new_state = ArticleState.DRAFT
+
+    # Update the article with the submitted information
+    artiq.update_state(
+        g.db, article.id, title=new_title, body=new_body, state=new_state
+    )
+    updated_article = artiq.try_from_public_id(g.db, article_id)
+
+    # Return the article information to the editor
+    msg_list = list([msg.json() for msg in messages])
+    return {
+        "title": updated_article.title,
+        "rendered": preview_result.contents,
+        "state": updated_article.state.value,
+        "ersatz": updated_article.ersatz,
+        "citations": preview_result.citations,
+        "messages": msg_list,
+    }

amanuensis/server/lexicon/editor/session.editor.jinja

@@ -0,0 +1,64 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Editor</title>
+    <link rel="icon" type="image/png" href="{{ url_for('static', filename='amanuensis.png') }}">
+    <link rel="stylesheet" href="{{ url_for('static', filename='page.css') }}">
+    <link rel="stylesheet" href="{{ url_for('static', filename='editor.css') }}">
+    <script type="text/javascript" src="{{ url_for('static', filename='editor.js') }}"></script>
+</head>
+<body
+    data-amanuensis-update-url="{{ url_for('lexicon.editor.load', lexicon_name=lexicon_name, article_id=article.public_id) }}"
+>
+    <div id="wrapper">
+        <div id="editor-left" class="column">
+            <section>
+                {# Thin header bar #}
+                <div id="editor-header">
+                    {# Header always includes backlink to lexicon #}
+                    <a href="{{ url_for('lexicon.contents', lexicon_name=lexicon_name) }}">
+                        {{ g.lexicon.full_title }}
+                    </a>
+                    {# If article is not finalized, show button to submit and retract #}
+                    {# {% if article and not article.status.approved %} #}
+                    {% if article %}
+                    <button
+                        id="button-submit"
+                        disabled
+                    >Submit article</button>
+                    {% endif %}
+                    {# Header always includes character/player info #}
+                    <span>{{ article.character.name }}</span>
+                </div>
+                {% if article %}
+                {# <div id="editor-buttons">
+                    Character literals:
+                    <button>*</button>
+                    <button>/</button>
+                    <button>[</button>
+                    <button>]</button>
+                    <button>~</button>
+                </div> #}
+                <input id="editor-title" placeholder="Title" disabled value="{{ article.title }}">
+                <textarea id="editor-content" class="fullwidth" disabled>
+                    {{- article.body -}}
+                </textarea>
+                {% endif %}
+            </section>
+        </div>
+        <div id="editor-right" class="column">
+            <section id="preview">
+                <p>This editor requires Javascript to function.</p>
+            </section>
+            <section id="preview-citations">
+                <p>&nbsp;</p>
+            </section>
+            <section id="preview-control">
+                <p>&nbsp;</p>
+            </fieldset>
+        </div>
+    </div>
+</body>
+</html>

amanuensis/server/lexicon/lexicon.contents.jinja

@@ -8,17 +8,9 @@
 <span style="color:#ff0000">{{ message }}</span><br>
 {% endfor %}
 
-{% for index in indexed %}
+{% for article in current_lexicon.articles %}
-<b>{{ index }}</b>
+<p>{{ article.title }} - {{ article.public_id }}</p>
-{% if indexed[index] %}
+<p>{{ article.body }}</p>
-<ul>
-{% for article in indexed[index] %}
-<li><a href="{{ article.title|articlelink }}" class="{{ 'phantom' if not article.character else '' }}">
-    {{ article.title }}
-</a></li>
-{% endfor %}
-</ul>
-{% endif %}
 {% endfor %}
 </section>
 {% endblock %}

amanuensis/server/session/editor.py

@@ -1,187 +0,0 @@
-"""
-Handler helper functions pertaining to the article editor
-"""
-import json
-import uuid
-
-from flask import (
-	flash, redirect, url_for, render_template, Markup)
-from flask_login import current_user
-
-from amanuensis.lexicon import (
-	get_player_characters,
-	get_player_drafts,
-	get_draft,
-	title_constraint_analysis,
-	content_constraint_analysis)
-from amanuensis.models import LexiconModel
-from amanuensis.parser import (
-	normalize_title,
-	parse_raw_markdown)
-from amanuensis.parser.core import RenderableVisitor
-
-
-class PreviewHtmlRenderer(RenderableVisitor):
-	def __init__(self, lexicon):
-		with lexicon.ctx.read('info') as info:
-			self.article_map = {
-				title: article.character
-				for title, article in info.items()
-			}
-		self.citations = []
-		self.contents = ""
-
-	def TextSpan(self, span):
-		return span.innertext
-
-	def LineBreak(self, span):
-		return '<br>'
-
-	def ParsedArticle(self, span):
-		self.contents = '\n'.join(span.recurse(self))
-		return self
-
-	def BodyParagraph(self, span):
-		return f'<p>{"".join(span.recurse(self))}</p>'
-
-	def SignatureParagraph(self, span):
-		return (
-			'<hr><span class="signature"><p>'
-			f'{"".join(span.recurse(self))}'
-			'</p></span>'
-		)
-
-	def BoldSpan(self, span):
-		return f'<b>{"".join(span.recurse(self))}</b>'
-
-	def ItalicSpan(self, span):
-		return f'<i>{"".join(span.recurse(self))}</i>'
-
-	def CitationSpan(self, span):
-		if span.cite_target in self.article_map:
-			if self.article_map.get(span.cite_target):
-				link_class = '[extant]'
-			else:
-				link_class = '[phantom]'
-		else:
-			link_class = '[new]'
-		self.citations.append(f'{span.cite_target} {link_class}')
-		return f'<u>{"".join(span.recurse(self))}</u>[{len(self.citations)}]'
-
-
-def load_editor(lexicon: LexiconModel, aid: str):
-	"""
-	Load the editor page
-	"""
-	if aid:
-		# Article specfied, load editor in edit mode
-		article = get_draft(lexicon, aid)
-		if not article:
-			flash("Draft not found")
-			return redirect(url_for('session.session', name=lexicon.cfg.name))
-		# Check that the player owns this article
-		character = lexicon.cfg.character.get(article.character)
-		if character.player != current_user.uid:
-			flash("Access forbidden")
-			return redirect(url_for('session.session', name=lexicon.cfg.name))
-		return render_template(
-			'session.editor.jinja',
-			character=character,
-			article=article,
-			jsonfmt=lambda obj: Markup(json.dumps(obj)))
-
-	# Article not specified, load editor in load mode
-	characters = list(get_player_characters(lexicon, current_user.uid))
-	articles = list(get_player_drafts(lexicon, current_user.uid))
-	return render_template(
-		'session.editor.jinja',
-		characters=characters,
-		articles=articles)
-
-
-def new_draft(lexicon: LexiconModel, cid: str):
-	"""
-	Create a new draft and open it in the editor
-	"""
-	if cid:
-		new_aid = uuid.uuid4().hex
-		# TODO harden this
-		character = lexicon.cfg.character.get(cid)
-		article = {
-			"version": "0",
-			"aid": new_aid,
-			"lexicon": lexicon.lid,
-			"character": cid,
-			"title": "",
-			"turn": 1,
-			"status": {
-				"ready": False,
-				"approved": False
-			},
-			"contents": f"\n\n{character.signature}",
-		}
-		filename = f"{cid}.{new_aid}"
-		with lexicon.ctx.draft.new(filename) as j:
-			j.update(article)
-		return redirect(url_for(
-			'session.editor',
-			name=lexicon.cfg.name,
-			cid=cid,
-			aid=new_aid))
-
-	# Character not specified
-	flash('Character not found')
-	return redirect(url_for('session.session', name=lexicon.cfg.name))
-
-
-def update_draft(lexicon: LexiconModel, article_json):
-	"""
-	Update a draft and perform analysis on it
-	"""
-	# Check if the update is permitted
-	aid = article_json.get('aid')
-	article = get_draft(lexicon, aid)
-	if not article:
-		raise ValueError("missing article")
-	if lexicon.cfg.character.get(article.character).player != current_user.uid:
-		return ValueError("bad user")
-	if article.status.approved:
-		raise ValueError("bad status")
-
-	# Perform the update
-	title = article_json.get('title')
-	contents = article_json.get('contents')
-	status = article_json.get('status')
-
-	parsed = parse_raw_markdown(contents)
-
-	# HTML parsing
-	preview = parsed.render(PreviewHtmlRenderer(lexicon))
-	# Constraint analysis
-	title_infos, title_warnings, title_errors = title_constraint_analysis(
-		lexicon, current_user, article.character, title)
-	content_infos, content_warnings, content_errors = content_constraint_analysis(
-		lexicon, current_user, article.character, parsed)
-	if any(title_errors) or any(content_errors):
-		status['ready'] = False
-
-	# Article update
-	filename = f'{article.character}.{aid}'
-	with lexicon.ctx.draft.edit(filename) as draft:
-		draft.title = normalize_title(title)
-		draft.contents = contents
-		draft.status.ready = status.get('ready', False)
-
-	# Return canonical information to editor
-	return {
-		'title': draft.title,
-		'status': {
-			'ready': draft.status.ready,
-			'approved': draft.status.approved,
-		},
-		'rendered': preview.contents,
-		'citations': preview.citations,
-		'info': title_infos + content_infos,
-		'warning': title_warnings + content_warnings,
-		'error': title_errors + content_errors,
-	}

amanuensis/server/session/forms.py

@@ -6,25 +6,6 @@ from wtforms.validators import DataRequired
 from .settings import ConfigFormBase
 
 
-class LexiconCharacterForm(FlaskForm):
-	"""/lexicon/<name>/session/character/"""
-	characterName = StringField(
-		'Character name',
-		validators=[DataRequired()])
-	defaultSignature = TextAreaField('Default signature')
-	submit = SubmitField('Submit')
-
-	def for_new(self):
-		self.characterName.data = ""
-		self.defaultSignature.data = "~"
-		return self
-
-	def for_character(self, character):
-		self.characterName.data = character.name
-		self.defaultSignature.data = character.signature
-		return self
-
-
 class LexiconReviewForm(FlaskForm):
 	"""/lexicon/<name>/session/review/"""
 	APPROVED = 'Y'

amanuensis/server/session/session.editor.jinja

@@ -1,121 +0,0 @@
-{% if character and not article %}
-{% set characters = [character] %}
-{% endif %}
-<!DOCTYPE html>
-<html>
-<head>
-	<meta charset="utf-8"/>
-	<meta name="viewport" content="width=device-width, initial-scale=1">
-	<title>Editor</title>
-	<link rel="icon" type="image/png" href="{{ url_for('static', filename='amanuensis.png') }}">
-	<link rel="stylesheet" href="{{ url_for('static', filename='page.css') }}">
-	<link rel="stylesheet" href="{{ url_for('static', filename='editor.css') }}">
-	<script>
-		params = {
-			updateURL: "{{ url_for('session.editor_update', name=g.lexicon.cfg.name) }}",
-			{% if character %}
-			character: {{ jsonfmt(character) }},
-			{% else %}
-			character: null,
-			{% endif %}
-			{% if article %}
-			article: {
-				aid: {{ jsonfmt(article.aid) }},
-				status: {{ jsonfmt(article.status) }},
-				errors: 1,
-			}
-			{% else %}
-			article: null
-			{% endif %}
-		};
-	</script>
-	<script type="text/javascript" src="{{ url_for('static', filename='editor.js') }}"></script>
-</head>
-<body>
-	<div id="wrapper">
-		<div id="editor-left" class="column">
-			<section>
-				{# Thin header bar #}
-				<div id="editor-header">
-					{# Header always includes backlink to lexicon #}
-					<a href="{{ url_for('session.session', name=g.lexicon.cfg.name) }}">
-						{{ g.lexicon.title }}
-					</a>
-					{# If article is not finalized, show button to submit and retract #}
-					{% if article and not article.status.approved %}
-					<button id="button-submit" onclick="submitArticle()" disabled>Submit article</button>
-					{% endif %}
-					{# Header always includes character/player info #}
-					<span>
-						<b>
-							{% if character %}
-							{{ character.name }} / 
-							{% endif %}
-							{{ current_user.cfg.username }}
-						</b>
-					</span>
-				</div>
-				{# In load mode, `characters` is specified and `article` is #}
-				{# not, and the main body of the editor column contains a #}
-				{# list of articles that can be loaded. #}
-				{% for char in characters %}
-				<div id="editor-charselect">
-					<b>{{ char.name }}</b>
-					<ul>
-						{% for article in articles %}
-						{% if article.character == char.cid %}
-						<li>
-							<a href="{{ url_for('session.editor', name=g.lexicon.cfg.name, aid=article.aid) }}">
-								{{ article.title if article.title.strip() else "Untitled" }}</a>
-							<span>
-							{% if not article.status.ready %}
-							[Draft]
-							{% elif not article.status.approved %}
-							[Pending]
-							{% else %}
-							[Approved]
-							{% endif %}
-							</span>
-						</li>
-						{% endif %}
-						{% endfor %}
-						<li>
-							<a href="{{ url_for('session.editor_new', name=g.lexicon.cfg.name, cid=char.cid) }}">
-								New
-							</a>
-						</li>
-					</ul>
-				</div>
-				{% endfor %}
-				{# In edit mode, `article` is specified and `characters` is #}
-				{# not, and the editor pane contains the article editor. #}
-				{% if article %}
-				{# <div id="editor-buttons">
-					Character literals:
-					<button>*</button>
-					<button>/</button>
-					<button>[</button>
-					<button>]</button>
-					<button>~</button>
-				</div> #}
-				<input id="editor-title" placeholder="Title" oninput="onContentChange()" disabled value="{{ article.title }}">
-				<textarea id="editor-content" class="fullwidth" oninput="onContentChange()" disabled>
-{#					#}{{ article.contents }}{#
-				#}</textarea>
-				{% endif %}
-			</section>
-		</div>
-		<div id="editor-right" class="column">
-			<section id="preview">
-				<p>This editor requires Javascript to function.</p>
-			</div>
-			<section id="preview-citations">
-				<p>&nbsp;</p>
-			</div>
-			<section id="preview-control">
-				<p>&nbsp;</p>
-			</div>
-		</div>
-	</div>
-</body>
-</html>