Function _bindPrettyJsonShortcuts

apps/json-format/format-lib.js:209–258

()

    };

    let _bindPrettyJsonShortcuts = function () {
        if (prettyJsonShortcutBound || !document.addEventListener) return;
        prettyJsonShortcutBound = true;
        document.addEventListener('keydown', function (event) {
            let key = String(event.key || '').toLowerCase();
            if (key === 'escape' && (plainJsonViewEnabled || prettyJsonSelectionActive) && _hasPrettyJsonResult()) {
                event.preventDefault();
                event.stopPropagation();
                _exitPrettyJsonSelection();
                return;
            }

            let isShortcut = event.ctrlKey || event.metaKey;
            if (!isShortcut || event.altKey || event.shiftKey) return;

            if (key === 'a') {
                if (_isEditableShortcutTarget(event.target) || !_hasPrettyJsonResult()) {
                    prettyJsonSelectionActive = false;
                    return;
                }
                if (_selectPrettyJsonText()) {
                    event.preventDefault();
                    event.stopPropagation();
                }
                return;
            }

            if (key === 'c') {
                if (prettyJsonSelectionActive && _hasPrettyJsonResult()) {
                    event.preventDefault();
                    event.stopPropagation();
                    prettyJsonSelectionActive = false;
                    _copyToClipboard(cachedJsonString, '格式化后的 JSON 全文已复制到剪贴板！');
                    return;
                }
                if (_isEditableShortcutTarget(event.target)) {
                    prettyJsonSelectionActive = false;
                }
                return;
            }

            prettyJsonSelectionActive = false;
        }, true);
        document.addEventListener('copy', function (event) {
            _copyPrettyJsonSelection(event);
        }, true);
        document.addEventListener('mousedown', function () {
            prettyJsonSelectionActive = false;
        }, true);
    };

    let _initElements = function () {