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-rw-r--r--src/new_fields/RichTextField.ts49
-rw-r--r--src/new_fields/RichTextUtils.ts273
2 files changed, 273 insertions, 49 deletions
diff --git a/src/new_fields/RichTextField.ts b/src/new_fields/RichTextField.ts
index 1b52e6f82..d2f76c969 100644
--- a/src/new_fields/RichTextField.ts
+++ b/src/new_fields/RichTextField.ts
@@ -4,11 +4,6 @@ import { Deserializable } from "../client/util/SerializationHelper";
import { Copy, ToScriptString } from "./FieldSymbols";
import { scriptingGlobal } from "../client/util/Scripting";
-export const ToPlainText = Symbol("PlainText");
-export const FromPlainText = Symbol("PlainText");
-const delimiter = "\n";
-const joiner = "";
-
@scriptingGlobal
@Deserializable("RichTextField")
export class RichTextField extends ObjectField {
@@ -28,48 +23,4 @@ export class RichTextField extends ObjectField {
return `new RichTextField("${this.Data}")`;
}
- public static Initialize = (initial: string) => {
- !initial.length && (initial = " ");
- let pos = initial.length + 1;
- return `{"doc":{"type":"doc","content":[{"type":"paragraph","content":[{"type":"text","text":"${initial}"}]}]},"selection":{"type":"text","anchor":${pos},"head":${pos}}}`;
- }
-
- [ToPlainText]() {
- // Because we're working with plain text, just concatenate all paragraphs
- let content = JSON.parse(this.Data).doc.content;
- let paragraphs = content.filter((item: any) => item.type === "paragraph");
-
- // Functions to flatten ProseMirror paragraph objects (and their components) to plain text
- // While this function already exists in state.doc.textBeteen(), it doesn't account for newlines
- let blockText = (block: any) => block.text;
- let concatenateParagraph = (p: any) => (p.content ? p.content.map(blockText).join(joiner) : "") + delimiter;
-
- // Concatentate paragraphs and string the result together
- let textParagraphs: string[] = paragraphs.map(concatenateParagraph);
- let plainText = textParagraphs.join(joiner);
- return plainText.substring(0, plainText.length - 1);
- }
-
- [FromPlainText](plainText: string) {
- // Remap the text, creating blocks split on newlines
- let elements = plainText.split(delimiter);
-
- // Google Docs adds in an extra carriage return automatically, so this counteracts it
- !elements[elements.length - 1].length && elements.pop();
-
- // Preserve the current state, but re-write the content to be the blocks
- let parsed = JSON.parse(this.Data);
- parsed.doc.content = elements.map(text => {
- let paragraph: any = { type: "paragraph" };
- text.length && (paragraph.content = [{ type: "text", marks: [], text }]); // An empty paragraph gets treated as a line break
- return paragraph;
- });
-
- // If the new content is shorter than the previous content and selection is unchanged, may throw an out of bounds exception, so we reset it
- parsed.selection = { type: "text", anchor: 1, head: 1 };
-
- // Export the ProseMirror-compatible state object we've jsut built
- return JSON.stringify(parsed);
- }
-
} \ No newline at end of file
diff --git a/src/new_fields/RichTextUtils.ts b/src/new_fields/RichTextUtils.ts
new file mode 100644
index 000000000..0aba50c0d
--- /dev/null
+++ b/src/new_fields/RichTextUtils.ts
@@ -0,0 +1,273 @@
+import { EditorState, Transaction, TextSelection } from "prosemirror-state";
+import { Node, Fragment, Mark } from "prosemirror-model";
+import { RichTextField } from "./RichTextField";
+import { docs_v1 } from "googleapis";
+import { GoogleApiClientUtils } from "../client/apis/google_docs/GoogleApiClientUtils";
+import { FormattedTextBox } from "../client/views/nodes/FormattedTextBox";
+import { Opt } from "./Doc";
+import * as Color from "color";
+import { sinkListItem } from "prosemirror-schema-list";
+
+export namespace RichTextUtils {
+
+ const delimiter = "\n";
+ const joiner = "";
+
+
+ export const Initialize = (initial?: string) => {
+ let content: any[] = [];
+ let state = {
+ doc: {
+ type: "doc",
+ content,
+ },
+ selection: {
+ type: "text",
+ anchor: 0,
+ head: 0
+ }
+ };
+ if (initial && initial.length) {
+ content.push({
+ type: "paragraph",
+ content: {
+ type: "text",
+ text: initial
+ }
+ });
+ state.selection.anchor = state.selection.head = initial.length + 1;
+ }
+ return JSON.stringify(state);
+ };
+
+ export const Synthesize = (plainText: string, oldState?: RichTextField) => {
+ return new RichTextField(ToProsemirrorState(plainText, oldState));
+ };
+
+ export const ToPlainText = (state: EditorState) => {
+ // Because we're working with plain text, just concatenate all paragraphs
+ let content = state.doc.content;
+ let paragraphs: Node<any>[] = [];
+ content.forEach(node => node.type.name === "paragraph" && paragraphs.push(node));
+
+ // Functions to flatten ProseMirror paragraph objects (and their components) to plain text
+ // Concatentate paragraphs and string the result together
+ let textParagraphs: string[] = paragraphs.map(paragraph => {
+ let text: string[] = [];
+ paragraph.content.forEach(node => node.text && text.push(node.text));
+ return text.join(joiner) + delimiter;
+ });
+ let plainText = textParagraphs.join(joiner);
+ return plainText.substring(0, plainText.length - 1);
+ };
+
+ export const ToProsemirrorState = (plainText: string, oldState?: RichTextField) => {
+ // Remap the text, creating blocks split on newlines
+ let elements = plainText.split(delimiter);
+
+ // Google Docs adds in an extra carriage return automatically, so this counteracts it
+ !elements[elements.length - 1].length && elements.pop();
+
+ // Preserve the current state, but re-write the content to be the blocks
+ let parsed = JSON.parse(oldState ? oldState.Data : Initialize());
+ parsed.doc.content = elements.map(text => {
+ let paragraph: any = { type: "paragraph" };
+ text.length && (paragraph.content = [{ type: "text", marks: [], text }]); // An empty paragraph gets treated as a line break
+ return paragraph;
+ });
+
+ // If the new content is shorter than the previous content and selection is unchanged, may throw an out of bounds exception, so we reset it
+ parsed.selection = { type: "text", anchor: 1, head: 1 };
+
+ // Export the ProseMirror-compatible state object we've just built
+ return JSON.stringify(parsed);
+ };
+
+ export namespace GoogleDocs {
+
+ export const Export = (state: EditorState): GoogleApiClientUtils.Docs.Content => {
+ let textNodes: Node<any>[] = [];
+ let text = ToPlainText(state);
+ let content = state.doc.content;
+ content.forEach(node => node.content.forEach(node => node.type.name === "text" && textNodes.push(node)));
+ let linkRequests = ExtractLinks(textNodes);
+ return {
+ text,
+ requests: [...linkRequests]
+ };
+ };
+
+ type BulletPosition = { value: number, sinks: number };
+
+ export const Import = async (documentId: GoogleApiClientUtils.Docs.DocumentId): Promise<Opt<GoogleApiClientUtils.Docs.ImportResult>> => {
+ const document = await GoogleApiClientUtils.Docs.retrieve({ documentId });
+ if (!document) {
+ return undefined;
+ }
+
+ const title = document.title!;
+ const { text, paragraphs } = GoogleApiClientUtils.Docs.Utils.extractText(document);
+ let state = FormattedTextBox.blankState();
+ let structured = parseLists(paragraphs);
+
+ let position = 3;
+ let lists: ListGroup[] = [];
+ const indentMap = new Map<ListGroup, BulletPosition[]>();
+ let globalOffset = 0;
+ const nodes = structured.map(element => {
+ if (Array.isArray(element)) {
+ lists.push(element);
+ let positions: BulletPosition[] = [];
+ let items = element.map(paragraph => {
+ let item = listItem(state.schema, paragraph.runs);
+ let sinks = paragraph.bullet!;
+ positions.push({
+ value: position + globalOffset,
+ sinks
+ });
+ position += item.nodeSize;
+ globalOffset += 2 * sinks;
+ return item;
+ });
+ indentMap.set(element, positions);
+ return list(state.schema, items);
+ } else {
+ let paragraph = paragraphNode(state.schema, element.runs);
+ position += paragraph.nodeSize;
+ return paragraph;
+ }
+ });
+ state = state.apply(state.tr.replaceWith(0, 2, nodes));
+
+ let sink = sinkListItem(state.schema.nodes.list_item);
+ let dispatcher = (tr: Transaction) => state = state.apply(tr);
+ for (let list of lists) {
+ for (let pos of indentMap.get(list)!) {
+ let resolved = state.doc.resolve(pos.value);
+ state = state.apply(state.tr.setSelection(new TextSelection(resolved)));
+ for (let i = 0; i < pos.sinks; i++) {
+ sink(state, dispatcher);
+ }
+ }
+ }
+
+ return { title, text, state };
+ };
+
+ type Paragraph = GoogleApiClientUtils.Docs.Utils.DeconstructedParagraph;
+ type ListGroup = Paragraph[];
+ type PreparedParagraphs = (ListGroup | Paragraph)[];
+
+ const parseLists = (paragraphs: ListGroup) => {
+ let groups: PreparedParagraphs = [];
+ let group: ListGroup = [];
+ for (let paragraph of paragraphs) {
+ if (paragraph.bullet !== undefined) {
+ group.push(paragraph);
+ } else {
+ if (group.length) {
+ groups.push(group);
+ group = [];
+ }
+ groups.push(paragraph);
+ }
+ }
+ group.length && groups.push(group);
+ return groups;
+ };
+
+ const listItem = (schema: any, runs: docs_v1.Schema$TextRun[]): Node => {
+ return schema.node("list_item", null, paragraphNode(schema, runs));
+ };
+
+ const list = (schema: any, items: Node[]): Node => {
+ return schema.node("bullet_list", null, items);
+ };
+
+ const paragraphNode = (schema: any, runs: docs_v1.Schema$TextRun[]): Node => {
+ let children = runs.map(run => textNode(schema, run)).filter(child => child !== undefined);
+ let fragment = children.length ? Fragment.from(children) : undefined;
+ return schema.node("paragraph", null, fragment);
+ };
+
+ const textNode = (schema: any, run: docs_v1.Schema$TextRun) => {
+ let text = run.content!.removeTrailingNewlines();
+ return text.length ? schema.text(text, styleToMarks(schema, run.textStyle)) : undefined;
+ };
+
+ const MarkMapping = new Map<keyof docs_v1.Schema$TextStyle, string>([
+ ["bold", "strong"],
+ ["italic", "em"],
+ ["foregroundColor", "pFontColor"]
+ ]);
+
+ const styleToMarks = (schema: any, textStyle?: docs_v1.Schema$TextStyle) => {
+ if (!textStyle) {
+ return undefined;
+ }
+ let marks: Mark[] = [];
+ Object.keys(textStyle).forEach(key => {
+ let value: any;
+ let targeted = key as keyof docs_v1.Schema$TextStyle;
+ if (value = textStyle[targeted]) {
+ let attributes: any = {};
+ let converted = MarkMapping.get(targeted) || targeted;
+
+ value.url && (attributes.href = value.url);
+ if (value.color) {
+ let object: { [key: string]: number } = value.color.rgbColor;
+ attributes.color = Color.rgb(Object.values(object).map(value => value * 255)).hex();
+ }
+
+ let mark = schema.mark(schema.marks[converted], attributes);
+ mark && marks.push(mark);
+ }
+ });
+ return marks;
+ };
+
+ interface LinkInformation {
+ startIndex: number;
+ endIndex: number;
+ bold: boolean;
+ url: string;
+ }
+
+ const ExtractLinks = (nodes: Node<any>[]) => {
+ let links: docs_v1.Schema$Request[] = [];
+ let position = 1;
+ for (let node of nodes) {
+ let link, length = node.nodeSize;
+ let marks = node.marks;
+ if (marks.length && (link = marks.find(mark => mark.type.name === "link"))) {
+ links.push(Encode({
+ startIndex: position,
+ endIndex: position + length,
+ url: link.attrs.href,
+ bold: false
+ }));
+ }
+ position += length;
+ }
+ return links;
+ };
+
+ const Encode = (information: LinkInformation) => {
+ return {
+ updateTextStyle: {
+ fields: "*",
+ range: {
+ startIndex: information.startIndex,
+ endIndex: information.endIndex
+ },
+ textStyle: {
+ bold: true,
+ link: { url: information.url },
+ foregroundColor: { color: { rgbColor: { red: 0.0, green: 0.0, blue: 1.0 } } }
+ }
+ }
+ };
+ };
+ }
+
+} \ No newline at end of file