overleaf/services/web/public/js/ace-1.4.4/ext-keybinding_menu.js

ace.define("ace/ext/menu_tools/overlay_page",[], function(require, exports, module) {
'use strict';
var dom = require("../../lib/dom");
var cssText = "#ace_settingsmenu, #kbshortcutmenu {\
background-color: #F7F7F7;\
color: black;\
box-shadow: -5px 4px 5px rgba(126, 126, 126, 0.55);\
padding: 1em 0.5em 2em 1em;\
overflow: auto;\
position: absolute;\
margin: 0;\
bottom: 0;\
right: 0;\
top: 0;\
z-index: 9991;\
cursor: default;\
}\
.ace_dark #ace_settingsmenu, .ace_dark #kbshortcutmenu {\
box-shadow: -20px 10px 25px rgba(126, 126, 126, 0.25);\
background-color: rgba(255, 255, 255, 0.6);\
color: black;\
}\
.ace_optionsMenuEntry:hover {\
background-color: rgba(100, 100, 100, 0.1);\
transition: all 0.3s\
}\
.ace_closeButton {\
background: rgba(245, 146, 146, 0.5);\
border: 1px solid #F48A8A;\
border-radius: 50%;\
padding: 7px;\
position: absolute;\
right: -8px;\
top: -8px;\
z-index: 100000;\
}\
.ace_closeButton{\
background: rgba(245, 146, 146, 0.9);\
}\
.ace_optionsMenuKey {\
color: darkslateblue;\
font-weight: bold;\
}\
.ace_optionsMenuCommand {\
color: darkcyan;\
font-weight: normal;\
}\
.ace_optionsMenuEntry input, .ace_optionsMenuEntry button {\
vertical-align: middle;\
}\
.ace_optionsMenuEntry button[ace_selected_button=true] {\
background: #e7e7e7;\
box-shadow: 1px 0px 2px 0px #adadad inset;\
border-color: #adadad;\
}\
.ace_optionsMenuEntry button {\
background: white;\
border: 1px solid lightgray;\
margin: 0px;\
}\
.ace_optionsMenuEntry button:hover{\
background: #f0f0f0;\
}";
dom.importCssString(cssText);

module.exports.overlayPage = function overlayPage(editor, contentElement, callback) {
    var closer = document.createElement('div');

    function documentEscListener(e) {
        if (e.keyCode === 27) {
            close();
        }
    }

    function close() {
        if (!closer) return;
        document.removeEventListener('keydown', documentEscListener);
        closer.parentNode.removeChild(closer);
        editor.focus();
        closer = null;
        callback && callback();
    }

    closer.style.cssText = 'margin: 0; padding: 0; ' +
        'position: fixed; top:0; bottom:0; left:0; right:0;' +
        'z-index: 9990; ' +
        'background-color: rgba(0, 0, 0, 0.3);';
    closer.addEventListener('click', function() {
        close();
    });
    document.addEventListener('keydown', documentEscListener);

    contentElement.addEventListener('click', function (e) {
        e.stopPropagation();
    });

    closer.appendChild(contentElement);
    document.body.appendChild(closer);
    editor.blur();
    return {
        close: close
    };
};

});

ace.define("ace/ext/menu_tools/get_editor_keyboard_shortcuts",[], function(require, exports, module) {
"use strict";
var keys = require("../../lib/keys");
module.exports.getEditorKeybordShortcuts = function(editor) {
    var KEY_MODS = keys.KEY_MODS;
    var keybindings = [];
    var commandMap = {};
    editor.keyBinding.$handlers.forEach(function(handler) {
        var ckb = handler.commandKeyBinding;
        for (var i in ckb) {
            var key = i.replace(/(^|-)\w/g, function(x) { return x.toUpperCase(); });
            var commands = ckb[i];
            if (!Array.isArray(commands))
                commands = [commands];
            commands.forEach(function(command) {
                if (typeof command != "string")
                    command  = command.name;
                if (commandMap[command]) {
                    commandMap[command].key += "|" + key;
                } else {
                    commandMap[command] = {key: key, command: command};
                    keybindings.push(commandMap[command]);
                }         
            });
        }
    });
    return keybindings;
};

});

ace.define("ace/ext/keybinding_menu",[], function(require, exports, module) {
    "use strict";
    var Editor = require("ace/editor").Editor;
    function showKeyboardShortcuts (editor) {
        if(!document.getElementById('kbshortcutmenu')) {
            var overlayPage = require('./menu_tools/overlay_page').overlayPage;
            var getEditorKeybordShortcuts = require('./menu_tools/get_editor_keyboard_shortcuts').getEditorKeybordShortcuts;
            var kb = getEditorKeybordShortcuts(editor);
            var el = document.createElement('div');
            var commands = kb.reduce(function(previous, current) {
                return previous + '<div class="ace_optionsMenuEntry"><span class="ace_optionsMenuCommand">' 
                    + current.command + '</span> : '
                    + '<span class="ace_optionsMenuKey">' + current.key + '</span></div>';
            }, '');

            el.id = 'kbshortcutmenu';
            el.innerHTML = '<h1>Keyboard Shortcuts</h1>' + commands + '</div>';
            overlayPage(editor, el);
        }
    }
    module.exports.init = function(editor) {
        Editor.prototype.showKeyboardShortcuts = function() {
            showKeyboardShortcuts(this);
        };
        editor.commands.addCommands([{
            name: "showKeyboardShortcuts",
            bindKey: {win: "Ctrl-Alt-h", mac: "Command-Alt-h"},
            exec: function(editor, line) {
                editor.showKeyboardShortcuts();
            }
        }]);
    };

});
                (function() {
                    ace.require(["ace/ext/keybinding_menu"], function(m) {
                        if (typeof module == "object" && typeof exports == "object" && module) {
                            module.exports = m;
                        }
                    });
                })();