Files
2022-01-31 17:43:45 +11:00

311 lines
11 KiB
JavaScript

import "codemirror/addon/mode/simple";
import {
org_cycle, org_shifttab, org_metaleft, org_metaright, org_meta_return, org_metaup,
org_metadown, org_insert_todo_heading, org_shiftleft, org_shiftright, fold, unfold,
isFold, org_set_fold, org_shiftmetaleft, org_shiftmetaright,
} from "./emacs-org";
import { pathBuilder, dirname, currentShare } from "../../../helpers/";
const CodeMirror = window.CodeMirror;
CodeMirror.__mode = "orgmode";
CodeMirror.defineSimpleMode("orgmode", {
start: [
{ regex: /(\*\s)(TODO|DOING|WAITING|NEXT|PENDING|)(CANCELLED|CANCELED|CANCEL|DONE|REJECTED|STOP|STOPPED|)(\s+\[\#[A-C]\]\s+|)(.*?)(?:(\s{10,}|))(\:[\S]+\:|)$/, sol: true, token: ["header level1 org-level-star", "header level1 org-todo", "header level1 org-done", "header level1 org-priority", "header level1", "header level1 void", "header level1 comment"] },
{ regex: /(\*{1,}\s)(TODO|DOING|WAITING|NEXT|PENDING|)(CANCELLED|CANCELED|CANCEL|DEFERRED|DONE|REJECTED|STOP|STOPPED|)(\s+\[\#[A-C]\]\s+|)(.*?)(?:(\s{10,}|))(\:[\S]+\:|)$/, sol: true, token: ["header org-level-star", "header org-todo", "header org-done", "header org-priority", "header", "header void", "header comment"] },
{ regex: /(\+[^\+]+\+)/, token: ["strikethrough"] },
{ regex: /(\*[^\*]+\*)/, token: ["strong"] },
{ regex: /(\/[^\/]+\/)/, token: ["em"] },
{ regex: /(\_[^\_]+\_)/, token: ["link"] },
{ regex: /(\~[^\~]+\~)/, token: ["comment"] },
{ regex: /(\=[^\=]+\=)/, token: ["comment"] },
{ regex: /\[\[[^\[\]]+\]\[[^\[\]]+\]\]/, token: "org-url" }, // links
{ regex: /\[\[[^\[\]]+\]\]/, token: "org-image" }, // image
{ regex: /\[[xX\s\-\_]\]/, token: "qualifier org-toggle" }, // checkbox
{ regex: /\#\+(?:(BEGIN|begin))_[a-zA-Z]*/, token: "comment", next: "env", sol: true }, // comments
{ regex: /:?[A-Z_]+\:.*/, token: "comment", sol: true }, // property drawers
{ regex: /(\#\+[a-zA-Z_]*)(\:.*)/, token: ["keyword", "qualifier"], sol: true }, // environments
{ regex: /(CLOCK\:|SHEDULED\:|DEADLINE\:)(\s.+)/, token: ["comment", "keyword"] },
],
env: [
{ regex: /\#\+(?:(END|end))_[a-zA-Z]*/, token: "comment", next: "start", sol: true },
{ regex: /.*/, token: "comment" },
],
});
CodeMirror.registerHelper("fold", "orgmode", function(cm, start) {
// init
const levelToMatch = headerLevel(start.line);
// no folding needed
if (levelToMatch === null) return;
// find folding limits
const lastLine = cm.lastLine();
let end = start.line;
while (end < lastLine) {
end += 1;
const level = headerLevel(end);
if (level && level <= levelToMatch) {
end = end - 1;
break;
};
}
return {
from: CodeMirror.Pos(start.line, cm.getLine(start.line).length),
to: CodeMirror.Pos(end, cm.getLine(end).length),
};
function headerLevel(lineNo) {
const line = cm.getLine(lineNo);
const match = /^\*+/.exec(line);
if (match && match.length === 1 && /header/.test(cm.getTokenTypeAt(CodeMirror.Pos(lineNo, 0)))) {
return match[0].length;
}
return null;
}
});
CodeMirror.registerGlobalHelper("fold", "drawer", function(mode) {
return mode.name === "orgmode" ? true : false;
}, function(cm, start) {
const drawer = isBeginningOfADrawer(start.line);
if (drawer === false) return;
// find folding limits
const lastLine = cm.lastLine();
let end = start.line;
while (end < lastLine) {
end += 1;
if (isEndOfADrawer(end)) {
break;
}
}
return {
from: CodeMirror.Pos(start.line, cm.getLine(start.line).length),
to: CodeMirror.Pos(end, cm.getLine(end).length),
};
function isBeginningOfADrawer(lineNo) {
const line = cm.getLine(lineNo);
const match = /^\:.*\:$/.exec(line);
if (match && match.length === 1 && match[0] !== ":END:") {
return true;
}
return false;
}
function isEndOfADrawer(lineNo) {
const line = cm.getLine(lineNo);
return line.trim() === ":END:" ? true : false;
}
});
CodeMirror.registerHelper("orgmode", "init", (editor, fn) => {
editor.setOption("extraKeys", {
"Tab": (cm) => org_cycle(cm),
"Shift-Tab": (cm) => fn("shifttab", org_shifttab(cm)),
"Alt-Left": (cm) => org_metaleft(cm),
"Alt-Right": (cm) => org_metaright(cm),
"Alt-Enter": (cm) => org_meta_return(cm),
"Alt-Up": (cm) => org_metaup(cm),
"Alt-Down": (cm) => org_metadown(cm),
"Shift-Alt-Left": (cm) => org_shiftmetaleft(cm),
"Shift-Alt-Right": (cm) => org_shiftmetaright(cm),
"Shift-Alt-Enter": (cm) => org_insert_todo_heading(cm),
"Shift-Left": (cm) => org_shiftleft(cm),
"Shift-Right": (cm) => org_shiftright(cm),
});
fn("shifttab", org_set_fold(editor));
editor.on("mousedown", toggleHandler);
editor.on("touchstart", toggleHandler);
editor.on("gutterClick", foldLine);
// fold everything except headers by default
editor.operation(function() {
for (let i = 0; i < editor.lineCount(); i++) {
if (/header/.test(editor.getTokenTypeAt(CodeMirror.Pos(i, 0))) === false) {
fold(editor, CodeMirror.Pos(i, 0));
}
}
});
return CodeMirror.orgmode.destroy.bind(this, editor);
});
CodeMirror.registerHelper("orgmode", "destroy", (editor) => {
editor.off("mousedown", toggleHandler);
editor.off("touchstart", toggleHandler);
editor.off("gutterClick", foldLine);
});
function foldLine(cm, line) {
const cursor = { line: line, ch: 0 };
isFold(cm, cursor) ? unfold(cm, cursor) : fold(cm, cursor);
}
let widgets = [];
function toggleHandler(cm, e) {
const position = cm.coordsChar({
left: e.clientX || (e.targetTouches && e.targetTouches[0].clientX),
top: e.clientY || (e.targetTouches && e.targetTouches[0].clientY),
}, "page");
const token = cm.getTokenAt(position);
_disableSelection();
if (/org-level-star/.test(token.type)) {
_preventIfShould();
_foldHeadline();
_disableSelection();
} else if (/org-toggle/.test(token.type)) {
_preventIfShould();
_toggleCheckbox();
_disableSelection();
} else if (/org-todo/.test(token.type)) {
_preventIfShould();
_toggleTodo();
_disableSelection();
} else if (/org-done/.test(token.type)) {
_preventIfShould();
_toggleDone();
_disableSelection();
} else if (/org-priority/.test(token.type)) {
_preventIfShould();
_togglePriority();
_disableSelection();
} else if (/org-url/.test(token.type)) {
_disableSelection();
_navigateLink();
} else if (/org-image/.test(token.type)) {
_disableSelection();
_toggleImageWidget();
}
function _preventIfShould() {
if ("ontouchstart" in window) e.preventDefault();
}
function _disableSelection() {
cm.on("beforeSelectionChange", _onSelectionChangeHandler);
function _onSelectionChangeHandler(cm, obj) {
obj.update([{
anchor: position,
head: position,
}]);
cm.off("beforeSelectionChange", _onSelectionChangeHandler);
}
}
function _foldHeadline() {
const line = position.line;
if (line >= 0) {
const cursor = { line: line, ch: 0 };
isFold(cm, cursor) ? unfold(cm, cursor) : fold(cm, cursor);
}
}
function _toggleCheckbox() {
const line = position.line;
const content = cm.getRange(
{ line: line, ch: token.start },
{ line: line, ch: token.end },
);
const new_content = content === "[X]" || content === "[x]" ? "[ ]" : "[X]";
cm.replaceRange(
new_content,
{ line: line, ch: token.start },
{ line: line, ch: token.end },
);
}
function _toggleTodo() {
const line = position.line;
cm.replaceRange(
"DONE",
{ line: line, ch: token.start },
{ line: line, ch: token.end },
);
}
function _toggleDone() {
const line = position.line;
cm.replaceRange(
"TODO",
{ line: line, ch: token.start },
{ line: line, ch: token.end },
);
}
function _togglePriority() {
const PRIORITIES = [" [#A] ", " [#B] ", " [#C] ", " [#A] "];
const line = position.line;
const content = cm.getRange({ line: line, ch: token.start }, { line: line, ch: token.end });
const new_content = PRIORITIES[PRIORITIES.indexOf(content) + 1];
cm.replaceRange(
new_content,
{ line: line, ch: token.start },
{ line: line, ch: token.end },
);
}
function _toggleImageWidget() {
const exist = !!widgets
.filter((line) => line === position.line)[0];
if (exist === false) {
if (!token.string.match(/\[\[(.*)\]\]/)) return null;
const $node = _buildImage(RegExp.$1);
const widget = cm.addLineWidget(position.line, $node, { coverGutter: false });
widgets.push(position.line);
$node.addEventListener("click", closeWidget);
function closeWidget() {
widget.clear();
$node.removeEventListener("click", closeWidget);
widgets = widgets.filter((line) => line !== position.line);
}
}
function _buildImage(src) {
const $el = document.createElement("div");
const $img = document.createElement("img");
if (/^https?\:\/\//.test(src)) {
$img.src = src;
} else {
const root_path = dirname(window.location.pathname.replace(/^\/view/, ""));
const img_path = src;
$img.src = "/api/files/cat?path="+encodeURIComponent(pathBuilder(root_path, img_path));
}
$el.appendChild($img);
return $el;
}
return null;
}
function _navigateLink() {
token.string.match(/\[\[(.*?)\]\[/);
const link = RegExp.$1;
if (!link) return;
let open = "_blank";
const isMobile = screen.availWidth < screen.availHeight;
if (!document.querySelector(".component_fab img.component_icon[alt=\"save\"]")) {
open = "_self";
} else if (isMobile) {
open = "_self";
}
if (/^https?\:\/\//.test(link)) {
window.open(link, open);
} else {
const root_path = dirname(window.location.pathname.replace(/^\/view/, ""));
const share = currentShare();
const url = share ? "/view"+pathBuilder(root_path, link)+"?share="+share : "/view"+pathBuilder(root_path, link);
window.open(url, open);
}
}
}
export default CodeMirror;