molstar/lib/commonjs/mol-util/binding.js

A comprehensive macromolecular library.

"use strict";
/**
 * Copyright (c) 2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.Binding = void 0;
var input_observer_1 = require("./input/input-observer");
var string_1 = require("./string");
function Binding(triggers, action, description) {
    if (action === void 0) { action = ''; }
    if (description === void 0) { description = ''; }
    return Binding.create(triggers, action, description);
}
exports.Binding = Binding;
(function (Binding) {
    function create(triggers, action, description) {
        if (action === void 0) { action = ''; }
        if (description === void 0) { description = ''; }
        return { triggers: triggers, action: action, description: description };
    }
    Binding.create = create;
    Binding.Empty = { triggers: [], action: '', description: '' };
    function isEmpty(binding) {
        return binding.triggers.length === 0 ||
            binding.triggers.every(function (t) { return t.buttons === undefined && t.modifiers === undefined; });
    }
    Binding.isEmpty = isEmpty;
    function match(binding, buttons, modifiers) {
        return binding.triggers.some(function (t) { return Trigger.match(t, buttons, modifiers); });
    }
    Binding.match = match;
    function formatTriggers(binding) {
        return binding.triggers.map(Trigger.format).join(' or ');
    }
    Binding.formatTriggers = formatTriggers;
    function format(binding, name) {
        if (name === void 0) { name = ''; }
        var help = binding.description || (0, string_1.stringToWords)(name);
        return (0, string_1.interpolate)(help, { triggers: '<i>' + formatTriggers(binding) + '</i>' });
    }
    Binding.format = format;
    function Trigger(buttons, modifiers) {
        return Trigger.create(buttons, modifiers);
    }
    Binding.Trigger = Trigger;
    (function (Trigger) {
        function create(buttons, modifiers) {
            return { buttons: buttons, modifiers: modifiers };
        }
        Trigger.create = create;
        Trigger.Empty = {};
        function match(trigger, buttons, modifiers) {
            var b = trigger.buttons, m = trigger.modifiers;
            return b !== undefined &&
                (b === buttons || input_observer_1.ButtonsType.has(b, buttons)) &&
                (!m || input_observer_1.ModifiersKeys.areEqual(m, modifiers));
        }
        Trigger.match = match;
        function format(trigger) {
            var s = [];
            var b = formatButtons(trigger.buttons);
            if (b)
                s.push(b);
            var m = formatModifiers(trigger.modifiers);
            if (m)
                s.push(m);
            return s.join(' + ');
        }
        Trigger.format = format;
    })(Trigger = Binding.Trigger || (Binding.Trigger = {}));
})(Binding || (Binding = {}));
exports.Binding = Binding;
var B = input_observer_1.ButtonsType;
function formatButtons(buttons) {
    var s = [];
    if (buttons === undefined) {
        s.push('any mouse button');
    }
    else if (buttons === 0) {
        s.push('mouse hover');
    }
    else {
        if (B.has(buttons, 1 /* Primary */))
            s.push('left mouse button');
        if (B.has(buttons, 2 /* Secondary */))
            s.push('right mouse button');
        if (B.has(buttons, 4 /* Auxilary */))
            s.push('wheel/middle mouse button');
        if (B.has(buttons, 8 /* Forth */))
            s.push('three fingers');
    }
    return s.join(' + ');
}
function formatModifiers(modifiers, verbose) {
    var s = [];
    if (modifiers) {
        if (modifiers.alt)
            s.push('alt key');
        if (modifiers.control)
            s.push('control key');
        if (modifiers.meta)
            s.push('meta/command key');
        if (modifiers.shift)
            s.push('shift key');
        if (verbose && s.length === 0)
            s.push('no key');
    }
    else {
        if (verbose)
            s.push('any key');
    }
    return s.join(' + ');
}
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