122 lines
3.1 KiB
TypeScript
122 lines
3.1 KiB
TypeScript
import type { ClickEvent } from "$sb/app_event.ts";
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import {
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editor,
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markdown,
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space,
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system,
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} from "$sb/silverbullet-syscall/mod.ts";
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import {
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addParentPointers,
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findNodeOfType,
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findParentMatching,
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nodeAtPos,
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ParseTree,
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} from "$sb/lib/tree.ts";
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async function actionClickOrActionEnter(
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mdTree: ParseTree | null,
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inNewWindow = false,
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) {
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if (!mdTree) {
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return;
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}
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const navigationNodeFinder = (t: ParseTree) =>
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[
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"WikiLink",
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"Link",
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"Image",
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"URL",
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"NakedURL",
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"Link",
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"CommandLink",
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"PageRef",
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]
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.includes(
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t.type!,
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);
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if (!navigationNodeFinder(mdTree)) {
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mdTree = findParentMatching(mdTree, navigationNodeFinder);
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if (!mdTree) {
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return;
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}
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}
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switch (mdTree.type) {
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case "WikiLink": {
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let pageLink = mdTree.children![1]!.children![0].text!;
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let pos;
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if (pageLink.includes("@")) {
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[pageLink, pos] = pageLink.split("@");
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if (pos.match(/^\d+$/)) {
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pos = +pos;
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}
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}
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if (!pageLink) {
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pageLink = await editor.getCurrentPage();
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}
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await editor.navigate(pageLink, pos, false, inNewWindow);
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break;
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}
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case "PageRef": {
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const bracketedPageRef = mdTree.children![0].text!;
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await editor.navigate(
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// Slicing off the initial [[ and final ]]
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bracketedPageRef.substring(2, bracketedPageRef.length - 2),
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0,
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false,
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inNewWindow,
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);
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break;
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}
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case "NakedURL":
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await editor.openUrl(mdTree.children![0].text!);
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break;
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case "Image":
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case "Link": {
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const urlNode = findNodeOfType(mdTree, "URL");
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if (!urlNode) {
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return;
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}
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let url = urlNode.children![0].text!;
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if (url.length <= 1) {
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return editor.flashNotification("Empty link, ignoring", "error");
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}
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if (url.indexOf("://") === -1 && !url.startsWith("mailto:")) {
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url = decodeURIComponent(url);
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// attachment URL, let's fetch as a data url
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const dataUrl = await space.readAttachment(url);
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return editor.downloadFile(url, dataUrl);
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} else {
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await editor.openUrl(url);
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}
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break;
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}
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case "CommandLink": {
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const commandName = mdTree.children![1]!.children![0].text!;
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await system.invokeCommand(commandName);
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break;
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}
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}
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}
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export async function linkNavigate() {
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const mdTree = await markdown.parseMarkdown(await editor.getText());
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const newNode = nodeAtPos(mdTree, await editor.getCursor());
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addParentPointers(mdTree);
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await actionClickOrActionEnter(newNode);
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}
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export async function clickNavigate(event: ClickEvent) {
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// Navigate by default, don't navigate when Alt is held
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if (event.altKey) {
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return;
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}
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const mdTree = await markdown.parseMarkdown(await editor.getText());
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addParentPointers(mdTree);
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const newNode = nodeAtPos(mdTree, event.pos);
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await actionClickOrActionEnter(newNode, event.ctrlKey || event.metaKey);
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}
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export async function navigateCommand(cmdDef: any) {
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await editor.navigate(cmdDef.page);
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}
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