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| "author": "lazyloong", | ||
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| "minAppVersion": "1.0.0", | ||
| "version": "2.27.8" | ||
| "version": "2.27.9" | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
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| // Credits go to Liam's Periodic Notes Plugin: https://github.com/liamcain/obsidian-periodic-notes | ||
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| import { App, ISuggestOwner, Scope } from "obsidian"; | ||
| import { createPopper, Instance as PopperInstance } from "@popperjs/core"; | ||
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| const wrapAround = (value: number, size: number): number => { | ||
| return ((value % size) + size) % size; | ||
| }; | ||
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| class Suggest<T> { | ||
| private owner: ISuggestOwner<T>; | ||
| private values: T[]; | ||
| private suggestions: HTMLDivElement[]; | ||
| private selectedItem: number; | ||
| private containerEl: HTMLElement; | ||
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| constructor(owner: ISuggestOwner<T>, containerEl: HTMLElement, scope: Scope) { | ||
| this.owner = owner; | ||
| this.containerEl = containerEl; | ||
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| containerEl.on("click", ".suggestion-item", this.onSuggestionClick.bind(this)); | ||
| containerEl.on("mousemove", ".suggestion-item", this.onSuggestionMouseover.bind(this)); | ||
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| scope.register([], "ArrowUp", (event) => { | ||
| if (!event.isComposing) { | ||
| this.setSelectedItem(this.selectedItem - 1, true); | ||
| return false; | ||
| } | ||
| }); | ||
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| scope.register([], "ArrowDown", (event) => { | ||
| if (!event.isComposing) { | ||
| this.setSelectedItem(this.selectedItem + 1, true); | ||
| return false; | ||
| } | ||
| }); | ||
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| scope.register([], "Enter", (event) => { | ||
| if (!event.isComposing) { | ||
| this.useSelectedItem(event); | ||
| return false; | ||
| } | ||
| }); | ||
| } | ||
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| onSuggestionClick(event: MouseEvent, el: HTMLDivElement): void { | ||
| event.preventDefault(); | ||
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| const item = this.suggestions.indexOf(el); | ||
| this.setSelectedItem(item, false); | ||
| this.useSelectedItem(event); | ||
| } | ||
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| onSuggestionMouseover(_event: MouseEvent, el: HTMLDivElement): void { | ||
| const item = this.suggestions.indexOf(el); | ||
| this.setSelectedItem(item, false); | ||
| } | ||
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| setSuggestions(values: T[]) { | ||
| this.containerEl.empty(); | ||
| const suggestionEls: HTMLDivElement[] = []; | ||
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| values.forEach((value) => { | ||
| const suggestionEl = this.containerEl.createDiv("suggestion-item"); | ||
| this.owner.renderSuggestion(value, suggestionEl); | ||
| suggestionEls.push(suggestionEl); | ||
| }); | ||
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| this.values = values; | ||
| this.suggestions = suggestionEls; | ||
| this.setSelectedItem(0, false); | ||
| } | ||
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| useSelectedItem(event: MouseEvent | KeyboardEvent) { | ||
| const currentValue = this.values[this.selectedItem]; | ||
| if (currentValue) { | ||
| this.owner.selectSuggestion(currentValue, event); | ||
| } | ||
| } | ||
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| setSelectedItem(selectedIndex: number, scrollIntoView: boolean) { | ||
| const normalizedIndex = wrapAround(selectedIndex, this.suggestions.length); | ||
| const prevSelectedSuggestion = this.suggestions[this.selectedItem]; | ||
| const selectedSuggestion = this.suggestions[normalizedIndex]; | ||
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| prevSelectedSuggestion?.removeClass("is-selected"); | ||
| selectedSuggestion?.addClass("is-selected"); | ||
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| this.selectedItem = normalizedIndex; | ||
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| if (scrollIntoView) { | ||
| selectedSuggestion.scrollIntoView(false); | ||
| } | ||
| } | ||
| } | ||
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| export abstract class TextInputSuggest<T> implements ISuggestOwner<T> { | ||
| protected inputEl: HTMLInputElement | HTMLTextAreaElement; | ||
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| private popper: PopperInstance; | ||
| private scope: Scope; | ||
| private suggestEl: HTMLElement; | ||
| private suggest: Suggest<T>; | ||
| private app: App; | ||
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| constructor(inputEl: HTMLInputElement | HTMLTextAreaElement, app: App) { | ||
| this.inputEl = inputEl; | ||
| this.app = app; | ||
| this.scope = new Scope(); | ||
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| this.suggestEl = createDiv("suggestion-container"); | ||
| const suggestion = this.suggestEl.createDiv("suggestion"); | ||
| this.suggest = new Suggest(this, suggestion, this.scope); | ||
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| this.scope.register([], "Escape", this.close.bind(this)); | ||
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| this.inputEl.addEventListener("input", this.onInputChanged.bind(this)); | ||
| this.inputEl.addEventListener("focus", this.onInputChanged.bind(this)); | ||
| this.inputEl.addEventListener("blur", this.close.bind(this)); | ||
| this.suggestEl.on("mousedown", ".suggestion-container", (event: MouseEvent) => { | ||
| event.preventDefault(); | ||
| }); | ||
| } | ||
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| onInputChanged(): void { | ||
| const inputStr = this.inputEl.value; | ||
| const suggestions = this.getSuggestions(inputStr); | ||
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| if (!suggestions) { | ||
| this.close(); | ||
| return; | ||
| } | ||
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| if (suggestions.length > 0) { | ||
| this.suggest.setSuggestions(suggestions); | ||
| this.open(app.dom.appContainerEl, this.inputEl); | ||
| } else { | ||
| this.close(); | ||
| } | ||
| } | ||
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| open(container: HTMLElement, inputEl: HTMLElement): void { | ||
| // eslint-disable-next-line @typescript-eslint/no-explicit-any | ||
| this.app.keymap.pushScope(this.scope); | ||
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| container.appendChild(this.suggestEl); | ||
| this.popper = createPopper(inputEl, this.suggestEl, { | ||
| placement: "bottom-start", | ||
| modifiers: [ | ||
| { | ||
| name: "sameWidth", | ||
| enabled: true, | ||
| fn: ({ state, instance }) => { | ||
| // Note: positioning needs to be calculated twice - | ||
| // first pass - positioning it according to the width of the popper | ||
| // second pass - position it with the width bound to the reference element | ||
| // we need to early exit to avoid an infinite loop | ||
| const targetWidth = `${state.rects.reference.width}px`; | ||
| if (state.styles.popper.width === targetWidth) { | ||
| return; | ||
| } | ||
| state.styles.popper.width = targetWidth; | ||
| instance.update(); | ||
| }, | ||
| phase: "beforeWrite", | ||
| requires: ["computeStyles"], | ||
| }, | ||
| ], | ||
| }); | ||
| } | ||
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| close(): void { | ||
| this.app.keymap.popScope(this.scope); | ||
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| this.suggest.setSuggestions([]); | ||
| if (this.popper) this.popper.destroy(); | ||
| this.suggestEl.detach(); | ||
| } | ||
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| abstract getSuggestions(inputStr: string): T[]; | ||
| abstract renderSuggestion(item: T, el: HTMLElement): void; | ||
| abstract selectSuggestion(item: T): void; | ||
| } |