92 行
2.2 KiB
JavaScript
92 行
2.2 KiB
JavaScript
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jQuery.fn.shortkeys = jQuery.fn.keys = function (obj, settings) {
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var el = this;
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this.settings = jQuery.extend({
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split: "+",
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moreKeys: {}
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}, settings || {});
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this.wackyKeys = { '.': 190, ',': 188, ';': 59, 'Space': 32 };
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this.formElements = new Array("input", "select", "textarea", "button");
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this.keys = new Array();
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this.onFormElement = false;
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this.keysDown = new Array();
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this.init = function (obj) {
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for(x in this.wackyKeys) {
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this.wackyKeys[x.toUpperCase()] = this.wackyKeys[x];
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}
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for(x in obj) {
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this.keys.push(x.split(this.settings.split));
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}
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for(i in this.keys) {
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var quickArr = new Array();
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for(j in this.keys[i]) {
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quickArr.push(this.convertToNumbers(this.keys[i][j].toUpperCase()));
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}
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quickArr.sort();
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this.keys[i] = quickArr;
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}
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};
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this.convertToNumbers = function (inp) {
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if (this.wackyKeys[inp] != undefined) {
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return this.wackyKeys[inp];
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}
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return inp.toUpperCase().charCodeAt(0);
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};
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this.keyAdd = function(keyCode) {
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this.keysDown.push(keyCode);
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this.keysDown.sort();
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};
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this.keyRemove = function (keyCode) {
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for(i in this.keysDown) {
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if(this.keysDown[i] == keyCode) {
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this.keysDown.splice(i,1);
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}
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};
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this.keysDown.sort();
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};
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this.keyTest = function (i) {
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if (this.keys[i].length != this.keysDown.length) return false;
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for(j in this.keys[i]) {
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if(this.keys[i][j] != this.keysDown[j]) {
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return false;
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}
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}
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return true;
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};
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this.keyRemoveAll = function () {
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this.keysDown = new Array();
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};
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this.focused = function (bool) {
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this.onFormElement = bool;
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}
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$(document).keydown(function(e) {
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el.keyAdd(e.keyCode);
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var i = 0;
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for(x in obj) {
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if(el.keyTest(i) && !el.onFormElement) {
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obj[x]();
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return false;
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break;
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}
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i++;
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};
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});
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$(document).keyup(function (e) {
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el.keyRemove(e.keyCode);
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});
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for(x in this.formElements) {
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$(this.formElements[x]).focus( function () {
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el.focused(true);
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});
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$(this.formElements[x]).blur( function () {
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el.focused(false);
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});
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}
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$(document).focus( function () {
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el.keyRemoveAll();
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});
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this.init(obj);
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jQuery.extend(this.wackyKeys, this.settings.moreKeys);
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return this;
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}
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