web sayfanızda kısa yol tuşları kullanma

shortcut.js dosyasını sayfanıza include ederek kullanabilirsiniz. ben scriptin açılımını burada sizinle paylaşıyorum

shortcut.js

 /**
 * http://www.openjs.com/scripts/events/keyboard_shortcuts/
 * Version : 2.01.B
 * By Binny V A
 * License : BSD
 */
shortcut = {
    'all_shortcuts': {},//All the shortcuts are stored in this array
    'add': function (shortcut_combination, callback, opt) {
        //Provide a set of default options
        var default_options = {
            'type': 'keydown',
            'propagate': false,
            'disable_in_input': false,
            'target': document,
            'keycode': false
        }
        if (!opt) opt = default_options;
        else {
            for (var dfo in default_options) {
                if (typeof opt[dfo] == 'undefined') opt[dfo] = default_options[dfo];
            }
        }

        var ele = opt.target;
        if (typeof opt.target == 'string') ele = document.getElementById(opt.target);
        var ths = this;
        shortcut_combination = shortcut_combination.toLowerCase();

        //The function to be called at keypress
        var func = function (e) {
            e = e || window.event;

            if (opt['disable_in_input']) { //Don't enable shortcut keys in Input, Textarea fields
                var element;
                if (e.target) element = e.target;
                else if (e.srcElement) element = e.srcElement;
                if (element.nodeType == 3) element = element.parentNode;

                if (element.tagName == 'INPUT' || element.tagName == 'TEXTAREA') return;
            }

            //Find Which key is pressed
            if (e.keyCode) code = e.keyCode;
            else if (e.which) code = e.which;
            var character = String.fromCharCode(code).toLowerCase();

            if (code == 188) character = ","; //If the user presses , when the type is onkeydown
            if (code == 190) character = "."; //If the user presses , when the type is onkeydown

            var keys = shortcut_combination.split("+");
            //Key Pressed - counts the number of valid keypresses - if it is same as the number of keys, the shortcut function is invoked
            var kp = 0;

            //Work around for stupid Shift key bug created by using lowercase - as a result the shift+num combination was broken
            var shift_nums = {
                "`": "~",
                "1": "!",
                "2": "@",
                "3": "#",
                "4": "$",
                "5": "%",
                "6": "^",
                "7": "&",
                "8": "*",
                "9": "(",
                "0": ")",
                "-": "_",
                "=": "+",
                ";": ":",
                "'": "\"",
                ",": "<",
                ".": ">",
                "/": "?",
                "\\": "|"
            }
            //Special Keys - and their codes
            var special_keys = {
                'esc': 27,
                'escape': 27,
                'tab': 9,
                'space': 32,
                'return': 13,
                'enter': 13,
                'backspace': 8,

                'scrolllock': 145,
                'scroll_lock': 145,
                'scroll': 145,
                'capslock': 20,
                'caps_lock': 20,
                'caps': 20,
                'numlock': 144,
                'num_lock': 144,
                'num': 144,

                'pause': 19,
                'break': 19,

                'insert': 45,
                'home': 36,
                'delete': 46,
                'end': 35,

                'pageup': 33,
                'page_up': 33,
                'pu': 33,

                'pagedown': 34,
                'page_down': 34,
                'pd': 34,

                'left': 37,
                'up': 38,
                'right': 39,
                'down': 40,

                'f1': 112,
                'f2': 113,
                'f3': 114,
                'f4': 115,
                'f5': 116,
                'f6': 117,
                'f7': 118,
                'f8': 119,
                'f9': 120,
                'f10': 121,
                'f11': 122,
                'f12': 123
            }

            var modifiers = {
                shift: { wanted: false, pressed: false },
                ctrl: { wanted: false, pressed: false },
                alt: { wanted: false, pressed: false },
                meta: { wanted: false, pressed: false }	//Meta is Mac specific
            };

            if (e.ctrlKey) modifiers.ctrl.pressed = true;
            if (e.shiftKey) modifiers.shift.pressed = true;
            if (e.altKey) modifiers.alt.pressed = true;
            if (e.metaKey) modifiers.meta.pressed = true;

            for (var i = 0; k = keys[i], i < keys.length; i++) {
                //Modifiers
                if (k == 'ctrl' || k == 'control') {
                    kp++;
                    modifiers.ctrl.wanted = true;

                } else if (k == 'shift') {
                    kp++;
                    modifiers.shift.wanted = true;

                } else if (k == 'alt') {
                    kp++;
                    modifiers.alt.wanted = true;
                } else if (k == 'meta') {
                    kp++;
                    modifiers.meta.wanted = true;
                } else if (k.length > 1) { //If it is a special key
                    if (special_keys[k] == code) kp++;

                } else if (opt['keycode']) {
                    if (opt['keycode'] == code) kp++;

                } else { //The special keys did not match
                    if (character == k) kp++;
                    else {
                        if (shift_nums[character] && e.shiftKey) { //Stupid Shift key bug created by using lowercase
                            character = shift_nums[character];
                            if (character == k) kp++;
                        }
                    }
                }
            }

            if (kp == keys.length &&
						modifiers.ctrl.pressed == modifiers.ctrl.wanted &&
						modifiers.shift.pressed == modifiers.shift.wanted &&
						modifiers.alt.pressed == modifiers.alt.wanted &&
						modifiers.meta.pressed == modifiers.meta.wanted) {
                callback(e);

                if (!opt['propagate']) { //Stop the event
                    //e.cancelBubble is supported by IE - this will kill the bubbling process.
                    e.cancelBubble = true;
                    e.returnValue = false;

                    //e.stopPropagation works in Firefox.
                    if (e.stopPropagation) {
                        e.stopPropagation();
                        e.preventDefault();
                    }
                    return false;
                }
            }
        }
        this.all_shortcuts[shortcut_combination] = {
            'callback': func,
            'target': ele,
            'event': opt['type']
        };
        //Attach the function with the event
        if (ele.addEventListener) ele.addEventListener(opt['type'], func, false);
        else if (ele.attachEvent) ele.attachEvent('on' + opt['type'], func);
        else ele['on' + opt['type']] = func;
    },

    //Remove the shortcut - just specify the shortcut and I will remove the binding
    'remove': function (shortcut_combination) {
        shortcut_combination = shortcut_combination.toLowerCase();
        var binding = this.all_shortcuts[shortcut_combination];
        delete (this.all_shortcuts[shortcut_combination])
        if (!binding) return;
        var type = binding['event'];
        var ele = binding['target'];
        var callback = binding['callback'];

        if (ele.detachEvent) ele.detachEvent('on' + type, callback);
        else if (ele.removeEventListener) ele.removeEventListener(type, callback, false);
        else ele['on' + type] = false;
    }
}

daha sonrasında aşağıdaki scripti yazarsanız,

 <script>


shortcut.add("Alt+Shift+H", function () {
    alert("alt+shift+H Tuşlarına basıldı....");

});

</script>

alt + shift + H tuşlarına bastığınızda tarayıcınızdan mesaj kutusunu görebilirsiniz.

..:Happy Coding:..

Makale Tarihi: 23.05.2016 Gücellenme Tarihi: 23.05.2016

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