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jsKeyboard.js
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var jsKeyboard = {
settings: {
buttonClass: "button", // default button class
onclick: "jsKeyboard.write();", // default onclick event for button
keyClass: "key", // default key class used to define style of text of the button
text: {
close: "close"
}
},
"keyboard": [], // different keyboards can be set to this variable in order to switch between keyboards easily.
init: function (elem, keyboard) {
jsKeyboard.keyboard["default"] = jsKeyboard.defaultKeyboard;
jsKeyboard.keyboardLayout = elem;
if (keyboard != null && keyboard != undefined)
jsKeyboard.generateKeyboard(keyboard);
else
jsKeyboard.generateKeyboard("default");
jsKeyboard.addKeyDownEvent();
jsKeyboard.show();
$(':input').not('[type="reset"]').not('[type="submit"]').on('focus, click', function (e) {
jsKeyboard.currentElement = $(this);
jsKeyboard.currentElementCursorPosition = $(this).getCursorPosition();
console.log('keyboard is now focused on ' + jsKeyboard.currentElement.attr('name') + ' at pos(' + jsKeyboard.currentElementCursorPosition + ')');
});
},
focus: function (t) {
jsKeyboard.currentElement = $(t);
jsKeyboard.show();
},
keyboardLayout: "", // it shows the html element where keyboard is generated
currentKeyboard: "default", // it shows the which keyboard is used. If it's not set default keyboard is used.
currentElement: null,
generateKeyboard: function (keyboard) {
var bClass = "";
var kClass = "";
var onclick = "";
var text = "";
var s = "";
s += "<div id=\"keyboard\">";
s += "<div id=\"keyboardHeader\">";
// s += "<div onclick=\"jsKeyboard.hide();\"><span>" + jsKeyboard.settings.text.close + "</span><span class=\"closex\"> X</span></div>"
s += "</div>";
/*small letter */
s += "<table id=\"keyboardSmallLetter\">";
$.each(jsKeyboard.keyboard[keyboard].smallLetter, function () {
s += "<tr class=\"jsKeyboardRow\">";
$(this).each(function (i, key) { generate(key); });
s += "</tr>";
});
s += "</table>";
/*capital letter*/
s += "<table id=\"keyboardCapitalLetter\">";
$.each(jsKeyboard.keyboard[keyboard].capitalLetter, function () {
s += "<tr class=\"jsKeyboardRow\">";
$(this).each(function (i, key) { generate(key); });
s += "</tr>";
});
s += "</table>";
/*number*/
s += "<table id=\"keyboardNumber\">";
$.each(jsKeyboard.keyboard[keyboard].number, function () {
s += "<tr class=\"jsKeyboardRow\">";
$(this).each(function (i, key) { generate(key); });
s += "</tr>";
});
s += "</table>";
/*symbols*/
s += "<table id=\"keyboardSymbols\">";
$.each(jsKeyboard.keyboard[keyboard].symbols, function () {
s += "<tr class=\"jsKeyboardRow\">";
$(this).each(function (i, key) { generate(key); });
s += "</tr>";
});
s += "</table>";
function generate(key) {
bClass = key.buttonClass == undefined ? jsKeyboard.settings.buttonClass : key.buttonClass;
kClass = key.keyClass == undefined ? jsKeyboard.settings.keyClass : key.keyClass;
onclick = key.onclick == undefined ? jsKeyboard.settings.onclick.replace("()", "(" + key.value + ")") : key.onclick;
text = (key.isChar != undefined || key.isChar == false) ? key.value : String.fromCharCode(key.value);
s += "<td class=\"" + bClass + "\" onclick=\"" + onclick + "\"><div class=\"" + kClass + "\">" + text + "</div></td>";
bClass = ""; kClass = ""; onclick = ""; text = "";
}
$("#" + jsKeyboard.keyboardLayout).html(s);
},
addKeyDownEvent: function () {
$("#keyboardCapitalLetter > div.button, #keyboardSmallLetter > div.button, #keyboardNumber > div.button, #keyboardSymbols > div.button").
bind('mousedown', (function () { $(this).addClass("buttonDown"); })).
bind('mouseup', (function () { $(this).removeClass("buttonDown"); })).
bind('mouseout', (function () { $(this).removeClass("buttonDown"); }));
//key focus down on actual keyboard key presses
//todo:....
},
changeToSmallLetter: function () {
$("#keyboardCapitalLetter,#keyboardNumber,#keyboardSymbols").css("display", "none");
$("#keyboardSmallLetter").css("display", "block");
},
changeToCapitalLetter: function () {
$("#keyboardCapitalLetter").css("display", "block");
$("#keyboardSmallLetter,#keyboardNumber,#keyboardSymbols").css("display", "none");
},
changeToNumber: function () {
$("#keyboardNumber").css("display", "block");
$("#keyboardSymbols,#keyboardCapitalLetter,#keyboardSmallLetter").css("display", "none");
},
changeToSymbols: function () {
$("#keyboardCapitalLetter,#keyboardNumber,#keyboardSmallLetter").css("display", "none");
$("#keyboardSymbols").css("display", "block");
},
updateCursor: function () {
//input cursor focus and position during typing
jsKeyboard.currentElement.setCursorPosition(jsKeyboard.currentElementCursorPosition);
},
write: function (m) {
var a = jsKeyboard.currentElement.val(),
b = String.fromCharCode(m),
pos = jsKeyboard.currentElementCursorPosition,
output = [a.slice(0, pos), b, a.slice(pos)].join('');
jsKeyboard.currentElement.val(output);
jsKeyboard.currentElementCursorPosition++; //+1 cursor
jsKeyboard.updateCursor();
},
del: function () {
var a = jsKeyboard.currentElement.val(),
pos = jsKeyboard.currentElementCursorPosition,
output = [a.slice(0, pos - 1), a.slice(pos)].join('');
jsKeyboard.currentElement.val(output);
jsKeyboard.currentElementCursorPosition--; //-1 cursor
if (jsKeyboard.currentElementCursorPosition < 0)
jsKeyboard.currentElementCursorPosition = 0;
jsKeyboard.updateCursor();
},
enter: function () {
var t = jsKeyboard.currentElement.val();
jsKeyboard.currentElement.val(t + "\n");
},
space: function () {
var a = jsKeyboard.currentElement.val(),
b = " ",
pos = jsKeyboard.currentElementCursorPosition,
output = [a.slice(0, pos), b, a.slice(pos)].join('');
jsKeyboard.currentElement.val(output);
jsKeyboard.currentElementCursorPosition++; //+1 cursor
jsKeyboard.updateCursor();
},
writeSpecial: function (m) {
var a = jsKeyboard.currentElement.val(),
b = m,
pos = jsKeyboard.currentElementCursorPosition,
output = [a.slice(0, pos), b, a.slice(pos)].join('');
jsKeyboard.currentElement.val(output);
jsKeyboard.currentElementCursorPosition += b.length; //+n cursor
jsKeyboard.updateCursor();
},
show: function () {
$("#keyboard").animate({ "bottom": "0" }, "slow", function () { });
},
hide: function () {
$("#keyboard").animate({ "bottom": "-350px" }, "slow", function () { });
},
defaultKeyboard: {
capitalLetter:
[
// 1st row
[{value: 81 }, { value: 87 }, { value: 69 }, { value: 82 }, { value: 84 }, { value: 89 },
{ value: 85 }, { value: 73 }, { value: 79 }, { value: 80 }/*,
{ value: "Delete", isChar: "false", onclick: "jsKeyboard.del()", buttonClass: "button button_del", keyClass: "key key_del" }*/],
// 2nd row
[{value: 65, buttonClass: "button button_a" }, { value: 83 }, { value: 68 }, { value: 70 },
{ value: 71 }, { value: 72 }, { value: 74 }, { value: 75 }, { value: 76 }/*,
{ value: "Enter", isChar: "false", buttonClass: "button button_enter", onclick: "jsKeyboard.enter();", keyClass: "key key_enter" }*/],
// 3rd row
[{value: "abc", isChar: "false", buttonClass: "button button_smallletter", onclick: "jsKeyboard.changeToSmallLetter();", keyClass: "key key_smallletter" },
{ value: 90 }, { value: 88 }, { value: 67 }, { value: 86 }, { value: 66 }, { value: 78 },
{ value: 77 }, { value: 44 }, { value: 46 }],
// 4th row
[{value: "123", isChar: "false", buttonClass: "button button_numberleft", onclick: "jsKeyboard.changeToNumber();", keyClass: "key key_number" },
{ value: "Space", isChar: "false", buttonClass: "button button_space", onclick: "jsKeyboard.space();", keyClass: "key key_space" },
{ value: "#$+", isChar: "false", buttonClass: "button button_symbolsright", onclick: "jsKeyboard.changeToSymbols();", keyClass: "key key_symbols" }]
],
smallLetter: [
// 1st row
[{value: 113 }, { value: 119 }, { value: 101 }, { value: 114 }, { value: 116 },
{ value: 121 }, { value: 117 }, { value: 105 }, { value: 111 }, { value: 112 }/*,
{ value: "Delete", isChar: "false", onclick: "jsKeyboard.del()", buttonClass: "button button_del", keyClass: "key key_del" }*/],
// 2nd row
[{value: 97, buttonClass: "button button_a" }, { value: 115 }, { value: 100 }, { value: 102 },
{ value: 103 }, { value: 104 }, { value: 106 }, { value: 107 }, { value: 108 }/*,
{ value: "Enter", isChar: "false", buttonClass: "button button_enter", onclick: "jsKeyboard.enter();", keyClass: "key key_enter" }*/],
// 3rd row
[{value: "ABC", isChar: "false", buttonClass: "button button_capitalletterleft", onclick: "jsKeyboard.changeToCapitalLetter();", keyClass: "key key_capitalletterleft" },
{ value: 122 }, { value: 120 }, { value: 99 }, { value: 118 }, { value: 98 },
{ value: 110 }, { value: 109 }, { value: 44 }, { value: 46 }],
// 4th row
[{value: "123", isChar: "false", buttonClass: "button button_numberleft", onclick: "jsKeyboard.changeToNumber();", keyClass: "key key_number" },
// { value: 32, buttonClass: "button button_space" },
{value: "Space", isChar: "false", buttonClass: "button button_space", onclick: "jsKeyboard.space();", keyClass: "key key_space" },
{ value: "#$+", isChar: "false", buttonClass: "button button_symbolsright", onclick: "jsKeyboard.changeToSymbols();", keyClass: "key key_symbols" }]
],
number: [
// 1st row
[{value: 49 }, { value: 50 }, { value: 51 }, { value: 52 }, { value: 53 }, { value: 54 },
{ value: 55 }, { value: 56 }, { value: 57 }, { value: 48 }/*,
{ value: "Delete", isChar: "false", onclick: "jsKeyboard.del()", buttonClass: "button button_del", keyClass: "key key_del" }*/],
// 2nd row
[{value: 45, buttonClass: "button button_dash" }, { value: 47 }, { value: 58 }, { value: 59 },
{ value: 40 }, { value: 41 }, { value: 36 }, { value: 38 }, { value: 64 }/*,
{ value: "Enter", isChar: "false", buttonClass: "button button_enter", onclick: "jsKeyboard.enter();", keyClass: "key key_enter" }*/],
//3rd row
// { value: "ABC", isChar: "false", buttonClass: "button button_capitalletterleft", onclick: "jsKeyboard.changeToCapitalLetter()", keyClass: "key key_capitalletterleft" },
[{value: "", isChar: "false", buttonClass: "button button_capitalletterleft", onclick: "", keyClass: "key" },
{ value: 63 }, { value: 33 }, { value: 34 }, { value: 124 }, { value: 92 }, { value: 42 }, { value: 61 }, { value: 43 }],
// { value: "ABC", isChar: "false", buttonClass: "button button_capitalletterright", onclick: "jsKeyboard.changeToCapitalLetter();", keyClass: "key key_capitalletterright" },
// {value: "", isChar: "false", buttonClass: "button", onclick: "", keyClass: "key" },
// { value: "", isChar: "false", buttonClass: "button", onclick: "", keyClass: "key" }],
// 4th row
[{value: "ABC", isChar: "false", buttonClass: "button button_numberleft", onclick: "jsKeyboard.changeToCapitalLetter();", keyClass: "key key_capitalletterleft" },
{ value: "Space", isChar: "false", buttonClass: "button button_space", onclick: "jsKeyboard.space();", keyClass: "key key_space" },
{ value: "#$+", isChar: "false", buttonClass: "button button_symbolsright", onclick: "jsKeyboard.changeToSymbols();", keyClass: "key key_symbols" }]
],
symbols: [
// 1st row
[{value: 91 }, { value: 93 }, { value: 123 }, { value: 125 }, { value: 35 }, { value: 37 },
{ value: 94 }, { value: 42 }, { value: 43 }, { value: 61 }/*,
{ value: "Delete", isChar: "false", onclick: "jsKeyboard.del()", buttonClass: "button button_del", keyClass: "key key_del" }*/],
// 2nd row
[{value: 95, buttonClass: "button button_underscore" }, { value: 92 }, { value: 124 }, { value: 126 },
{ value: 60 }, { value: 62 },
{ value: "€", isChar: "false", onclick: "jsKeyboard.writeSpecial('€');" },
{ value: 163 }, { value: 165 }/*,
{ value: "Enter", isChar: "false", buttonClass: "button button_enter", onclick: "jsKeyboard.enter();", keyClass: "key key_enter" }*/],
// 3rd row
// { value: "ABC", isChar: "false", buttonClass: "button button_capitalletterleft", onclick: "jsKeyboard.changeToCapitalLetter();", keyClass: "key key_capitalletterleft" },
[{value: "", isChar: "false", buttonClass: "button button_capitalletterleft", onclick: "", keyClass: "key" },
{ value: 46 }, { value: 44 }, { value: 63 }, { value: 33 }, { value: 39 }, { value: 34 }, { value: 59 }, { value: 92 }],
// { value: "ABC", isChar: "false", buttonClass: "button button_capitalletterright", onclick: "jsKeyboard.changeToCapitalLetter();", keyClass: "key key_capitalletterright" },
// {value: "", isChar: "false", buttonClass: "button", onclick: "", keyClass: "key" },
// { value: "", isChar: "false", buttonClass: "button", onclick: "", keyClass: "key" }],
// 4th row
[{value: "123", isChar: "false", buttonClass: "button button_numberleft", onclick: "jsKeyboard.changeToNumber();", keyClass: "key key_number" },
{ value: "Space", isChar: "false", buttonClass: "button button_space", onclick: "jsKeyboard.space();", keyClass: "key key_space" },
{ value: "ABC", isChar: "false", buttonClass: "button button_symbolsright", onclick: "jsKeyboard.changeToCapitalLetter();", keyClass: "key key_capitalletterleft" }],
]
}
}
// GET CURSOR POSITION
jQuery.fn.getCursorPosition = function(){
if(this.length == 0) return -1;
return $(this).getSelectionStart();
}
jQuery.fn.getSelectionStart = function(){
if(this.length == 0) return -1;
input = this[0];
var pos = input.value.length;
if (input.createTextRange) {
var r = document.selection.createRange().duplicate();
r.moveEnd('character', input.value.length);
if (r.text == '')
pos = input.value.length;
pos = input.value.lastIndexOf(r.text);
} else if(typeof(input.selectionStart)!="undefined")
pos = input.selectionStart;
return pos;
}
//SET CURSOR POSITION
jQuery.fn.setCursorPosition = function(pos) {
this.each(function(index, elem) {
if (elem.setSelectionRange) {
elem.setSelectionRange(pos, pos);
} else if (elem.createTextRange) {
var range = elem.createTextRange();
range.collapse(true);
range.moveEnd('character', pos);
range.moveStart('character', pos);
range.select();
}
});
return this;
};