@launchmenu/core/build/textFields/TextField.js

An environment for visual keyboard controlled applets

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.TextField = void 0;
const model_react_1 = require("model-react");
/**
 * A mutable field to contain a text input as well as the selected range
 */
class TextField {
    /**
     * Creates a new TextField that stores text and selection data
     * @param text The initial text to store
     * @param selection The selected text
     * @param keepCarriageReturn Whether to keep the carriage returns, defaults to false, keeping them may cause bugs when using the EditorField react component
     */
    constructor(text = "", selection, keepCarriageReturn) {
        this.selection = new model_react_1.Field({ start: 0, end: 0 });
        if (!keepCarriageReturn)
            text = text.replace(/\r/g, "");
        this.text = new model_react_1.Field(text);
        if (selection)
            this.selection.set(selection);
    }
    /**
     * Sets the value of the text field
     * @param text The new text
     */
    set(text) {
        this.text.set(text);
        const selection = this.selection.get();
        if (selection.end > text.length || selection.start > text.length)
            this.selection.set({
                start: Math.min(selection.start, text.length),
                end: Math.min(selection.end, text.length),
            });
    }
    /**
     * Retrieves the value of the text field
     * @param hook The hook to subscribe to changes
     * @returns The current text
     */
    get(hook) {
        return this.text.get(hook);
    }
    /**
     * Sets the selection range
     * @param selection The new selection
     */
    setSelection(selection) {
        const text = this.text.get();
        const start = Math.max(0, Math.min(selection.start, text.length));
        const end = Math.max(0, Math.min(selection.end, text.length));
        const current = this.selection.get();
        if (current.start != start || current.end != end)
            this.selection.set({ start, end });
    }
    /**
     * Retrieves the selected range (or cursor if start==end)
     * @param hook The hook to subscribe to changes
     * @returns The selected range
     */
    getSelection(hook) {
        return this.selection.get(hook);
    }
}
exports.TextField = TextField;
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