100 lines
2.9 KiB
TypeScript
100 lines
2.9 KiB
TypeScript
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import { commandLinkRegex, pageLinkRegex } from "../../common/parser.ts";
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import { ClickEvent } from "../../plug-api/app_event.ts";
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import {
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Decoration,
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DecorationSet,
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EditorView,
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ViewPlugin,
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ViewUpdate,
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} from "../deps.ts";
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import { Editor } from "../editor.tsx";
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import {
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ButtonWidget,
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invisibleDecoration,
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isCursorInRange,
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iterateTreeInVisibleRanges,
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} from "./util.ts";
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/**
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* Plugin to hide path prefix when the cursor is not inside.
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*/
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export function cleanCommandLinkPlugin(editor: Editor) {
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return ViewPlugin.fromClass(
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class {
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decorations: DecorationSet;
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constructor(view: EditorView) {
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this.decorations = this.compute(view);
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}
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update(update: ViewUpdate) {
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if (
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update.docChanged || update.viewportChanged || update.selectionSet
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) {
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this.decorations = this.compute(update.view);
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}
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}
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compute(view: EditorView): DecorationSet {
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const widgets: any[] = [];
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// let parentRange: [number, number];
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iterateTreeInVisibleRanges(view, {
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enter: ({ type, from, to }) => {
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if (type.name !== "CommandLink") {
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return;
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}
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if (isCursorInRange(view.state, [from, to])) {
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return;
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}
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const text = view.state.sliceDoc(from, to);
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const match = commandLinkRegex.exec(text);
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if (!match) return;
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const [_fullMatch, command, _pipePart, alias] = match;
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// Hide the whole thing
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widgets.push(
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invisibleDecoration.range(
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from,
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to,
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),
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);
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const linkText = alias || command;
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// And replace it with a widget
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widgets.push(
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Decoration.widget({
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widget: new ButtonWidget(
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linkText,
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`Run command: ${command}`,
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"sb-command-button",
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(e) => {
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if (e.altKey) {
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// Move cursor into the link
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return view.dispatch({
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selection: { anchor: from + 2 },
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});
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}
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// Dispatch click event to navigate there without moving the cursor
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const clickEvent: ClickEvent = {
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page: editor.currentPage!,
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ctrlKey: e.ctrlKey,
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metaKey: e.metaKey,
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altKey: e.altKey,
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pos: from,
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};
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editor.dispatchAppEvent("page:click", clickEvent).catch(
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console.error,
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);
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},
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),
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}).range(from),
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);
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},
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});
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return Decoration.set(widgets, true);
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}
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},
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{
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decorations: (v) => v.decorations,
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},
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);
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}
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