mirror of
https://github.com/laurent22/joplin.git
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137 lines
3.8 KiB
TypeScript
137 lines
3.8 KiB
TypeScript
const open = require('open');
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interface LinkStoreEntry {
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link: string;
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noteX: number;
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noteY: number;
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}
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class LinkSelector {
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private noteId_: string;
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private scrollTop_: number;
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private renderedText_: string;
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private currentLinkIndex_: number;
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private linkStore_: LinkStoreEntry[];
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private linkRegex_: RegExp;
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public constructor() {
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this.noteId_ = null;
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this.scrollTop_ = null; // used so 'o' won't open unhighlighted link after scrolling
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this.renderedText_ = null;
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this.currentLinkIndex_ = null;
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this.linkStore_ = null;
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this.linkRegex_ = /http:\/\/[0-9.]+:[0-9]+\/[0-9]+/g;
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}
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public get link(): string | null {
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if (this.currentLinkIndex_ === null) return null;
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return this.linkStore_[this.currentLinkIndex_].link;
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}
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public get noteX(): number | null {
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if (this.currentLinkIndex_ === null) return null;
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return this.linkStore_[this.currentLinkIndex_].noteX;
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}
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public get noteY(): number | null {
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if (this.currentLinkIndex_ === null) return null;
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return this.linkStore_[this.currentLinkIndex_].noteY;
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}
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public findLinks(renderedText: string): LinkStoreEntry[] {
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const newLinkStore: LinkStoreEntry[] = [];
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const lines: string[] = renderedText.split('\n');
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for (let i = 0; i < lines.length; i++) {
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const r = (lines[i] as any).matchAll(this.linkRegex_);
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const matches = [...r];
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// eslint-disable-next-line github/array-foreach -- Old code before rule was applied
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matches.forEach((_e, n) => {
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newLinkStore.push(
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{
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link: matches[n][0],
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noteX: matches[n].index,
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noteY: i,
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},
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);
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});
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}
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return newLinkStore;
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}
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public updateText(renderedText: string): void {
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this.currentLinkIndex_ = null;
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this.renderedText_ = renderedText;
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this.linkStore_ = this.findLinks(this.renderedText_);
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}
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public updateNote(textWidget: any): void {
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this.noteId_ = textWidget.noteId;
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this.scrollTop_ = textWidget.scrollTop_;
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this.updateText(textWidget.renderedText_);
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}
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public scrollWidget(textWidget: any): void {
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if (this.currentLinkIndex_ === null) return;
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const noteY = this.linkStore_[this.currentLinkIndex_].noteY;
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let viewBoxMin = textWidget.scrollTop_ + 1;
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let viewBoxMax = viewBoxMin + textWidget.innerHeight - 2;
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if (noteY < viewBoxMin) {
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for (; noteY < viewBoxMin; textWidget.pageUp()) {
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viewBoxMin = textWidget.scrollTop_;
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viewBoxMax = viewBoxMin + textWidget.innerHeight;
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}
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return;
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} else if (noteY > viewBoxMax) {
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for (; noteY > viewBoxMax; textWidget.pageDown()) {
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viewBoxMin = textWidget.scrollTop_;
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viewBoxMax = viewBoxMin + textWidget.innerHeight;
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}
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return;
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}
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return;
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}
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public changeLink(textWidget: any, offset: number): void | null {
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if (textWidget.noteId !== this.noteId_) {
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this.updateNote(textWidget);
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this.changeLink(textWidget, offset);
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return;
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}
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if (textWidget.renderedText_ !== this.renderedText_) {
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this.updateText(textWidget.renderedText_);
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this.changeLink(textWidget, offset);
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return;
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}
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if (textWidget.scrollTop_ !== this.scrollTop_) this.scrollTop_ = textWidget.scrollTop_;
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if (!this.linkStore_.length) return null;
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let offsetMod = (offset + this.currentLinkIndex_) % this.linkStore_.length;
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if (this.currentLinkIndex_ === null) {
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if (offsetMod < 0) this.currentLinkIndex_ = this.linkStore_.length + offsetMod;
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else if (!offsetMod) this.currentLinkIndex_ = 0;
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else this.currentLinkIndex_ = offsetMod - 1;
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return;
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}
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if (offsetMod < 0) offsetMod = this.linkStore_.length + offsetMod;
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this.currentLinkIndex_ = offsetMod;
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return;
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}
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public openLink(textWidget: any): void {
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if (textWidget.noteId !== this.noteId_) return;
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if (textWidget.renderedText_ !== this.renderedText_) return;
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if (textWidget.scrollTop_ !== this.scrollTop_) return;
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open(this.linkStore_[this.currentLinkIndex_].link);
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}
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}
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export default LinkSelector;
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