Function Key

KeyDecoding.js:193–299

(type, outline, show)

};

function Key(type, outline, show) {
    this.type = type;
    this.outline = outline;
    this.show = show;
    this.pins = [];

    // Initialize pins
    if (typeof outline === "string" && typeof show === "string") {
        var pinCount = parseInt(outline.substring(0, 2), 10);
        if (!isNaN(pinCount)) {
            if (show === "decode") {
                for (var i = 0; i < pinCount; i++) {
                    this.pins.push(0);
                }
            } else {
                for (var i = 0; i < pinCount; i++) {
                    var maxKeyCut = (keys[this.type] && keys[this.type].maxKeyCut) || 9;
                    this.pins.push(Math.floor(Math.random() * maxKeyCut - 1) + 1);
                }
                // Ensure last disk shows as 1 for disk detainer (internal index 0)
                if (keys[this.type] && keys[this.type].isDiskDetainer && pinCount > 0) {
                    this.pins[pinCount - 1] = 0;
                }
            }
        }
    }

    this.updatePins = function () {
        var pinCount = parseInt(outline.substring(0, 2), 10);
        this.pins = [];
        for (var i = 0; i < pinCount; i++) {
            var maxKeyCut = (keys[this.type] && keys[this.type].maxKeyCut) || 9;
            this.pins.push(Math.floor(Math.random() * maxKeyCut - 1) + 1);
        }
        // Ensure last disk shows as 1 for disk detainer (internal index 0)
        if (keys[this.type] && keys[this.type].isDiskDetainer && pinCount > 0) {
            this.pins[pinCount - 1] = 0;
        }
    };

    this.draw = function () {
        var numberOfActions = 2; // Save, Load
        if (selectedPinIndex >= this.pins.length + numberOfActions) {
            selectedPinIndex = 0;
        }

        display.fill(bgColor);
        display.drawRoundRect(1, 1, displayWidth - 2, displayHeight - 2, 4, priColor);
        display.setTextSize(2);

        var displayName = keys[this.type] && keys[this.type].displayName || this.type;
        if (displayName.length > 12) {
            display.drawString(displayName, 10, 10);
            display.drawString(this.outline, 10, 28);
        } else {
            display.drawString(displayName + " - " + this.outline, 10, 10);
        }