move some files to more reasonable locations

src/scripts/alphanumericshortcuts.js

@@ -0,0 +1,130 @@
+define(['dom', 'focusManager'], function (dom, focusManager) {
+    'use strict';
+
+    var inputDisplayElement;
+    var currentDisplayText = '';
+    var currentDisplayTextContainer;
+
+    function onKeyDown(e) {
+
+        if (e.ctrlKey) {
+            return;
+        }
+        if (e.shiftKey) {
+            return;
+        }
+        if (e.altKey) {
+            return;
+        }
+
+        var key = e.key;
+        var chr = key ? alphanumeric(key) : null;
+
+        if (chr) {
+
+            chr = chr.toString().toUpperCase();
+
+            if (chr.length === 1) {
+                currentDisplayTextContainer = this.options.itemsContainer;
+                onAlphanumericKeyPress(e, chr);
+            }
+        }
+    }
+
+    function alphanumeric(value) {
+        var letterNumber = /^[0-9a-zA-Z]+$/;
+        return value.match(letterNumber);
+    }
+
+    function ensureInputDisplayElement() {
+        if (!inputDisplayElement) {
+            inputDisplayElement = document.createElement('div');
+            inputDisplayElement.classList.add('alphanumeric-shortcut');
+            inputDisplayElement.classList.add('hide');
+
+            document.body.appendChild(inputDisplayElement);
+        }
+    }
+
+    var alpanumericShortcutTimeout;
+    function clearAlphaNumericShortcutTimeout() {
+        if (alpanumericShortcutTimeout) {
+            clearTimeout(alpanumericShortcutTimeout);
+            alpanumericShortcutTimeout = null;
+        }
+    }
+    function resetAlphaNumericShortcutTimeout() {
+        clearAlphaNumericShortcutTimeout();
+        alpanumericShortcutTimeout = setTimeout(onAlphanumericShortcutTimeout, 2000);
+    }
+
+    function onAlphanumericKeyPress(e, chr) {
+        if (currentDisplayText.length >= 3) {
+            return;
+        }
+        ensureInputDisplayElement();
+        currentDisplayText += chr;
+        inputDisplayElement.innerHTML = currentDisplayText;
+        inputDisplayElement.classList.remove('hide');
+        resetAlphaNumericShortcutTimeout();
+    }
+
+    function onAlphanumericShortcutTimeout() {
+        var value = currentDisplayText;
+        var container = currentDisplayTextContainer;
+
+        currentDisplayText = '';
+        currentDisplayTextContainer = null;
+        inputDisplayElement.innerHTML = '';
+        inputDisplayElement.classList.add('hide');
+        clearAlphaNumericShortcutTimeout();
+        selectByShortcutValue(container, value);
+    }
+
+    function selectByShortcutValue(container, value) {
+
+        value = value.toUpperCase();
+
+        var focusElem;
+        if (value === '#') {
+
+            focusElem = container.querySelector('*[data-prefix]');
+        }
+
+        if (!focusElem) {
+            focusElem = container.querySelector('*[data-prefix^=\'' + value + '\']');
+        }
+
+        if (focusElem) {
+            focusManager.focus(focusElem);
+        }
+    }
+
+    function AlphaNumericShortcuts(options) {
+
+        this.options = options;
+
+        var keyDownHandler = onKeyDown.bind(this);
+
+        dom.addEventListener(window, 'keydown', keyDownHandler, {
+            passive: true
+        });
+
+        this.keyDownHandler = keyDownHandler;
+    }
+
+    AlphaNumericShortcuts.prototype.destroy = function () {
+
+        var keyDownHandler = this.keyDownHandler;
+
+        if (keyDownHandler) {
+            dom.removeEventListener(window, 'keydown', keyDownHandler, {
+                passive: true
+            });
+            this.keyDownHandler = null;
+        }
+        this.options = null;
+    };
+
+    return AlphaNumericShortcuts;
+});