twister HTML + Javascript User Interface
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// following replacement of the native setTimeout() and setInterval()
// enables the passage of the 'this' object through the JavaScript timers
// and enables the HTML5 standard passage of arbitrary arguments to the
// callback functions of timers in IE9 and other old browsers (like some of mobile ones).
// see https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout#A_possible_solution
var __nativeST__ = window.setTimeout, __nativeSI__ = window.setInterval;
window.setTimeout = function (vCallback, nDelay) { // additional arguments will be passed
var oThis = this, aArgs = Array.prototype.slice.call(arguments, 2);
return __nativeST__(vCallback instanceof Function ?
function () {vCallback.apply(oThis, aArgs);} : vCallback, nDelay);
};
window.setInterval = function (vCallback, nDelay) { // additional arguments will be passed
var oThis = this, aArgs = Array.prototype.slice.call(arguments, 2);
return __nativeSI__(vCallback instanceof Function ?
function () {vCallback.apply(oThis, aArgs);} : vCallback, nDelay);
};
// bind callback function for event of clicking outside of element
(function(jQuery) {
jQuery.fn.clickoutside = function(callback) {
var outside = 1, self = $(this);
self.cb = callback;
this.click(function() {
outside = 0;
});
$(document).click(function() {
outside && self.cb();
outside = 1;
});
return $(this);
}
})(jQuery);
// get caret position
(function($) {
$.fn.caret = function(pos) {
var target = this[0];
var isContentEditable = target.contentEditable === 'true';
//get
if (arguments.length == 0) {
//HTML5
if (window.getSelection) {
//contenteditable
if (isContentEditable) {
target.focus();
var range1 = window.getSelection().getRangeAt(0),
range2 = range1.cloneRange();
range2.selectNodeContents(target);
range2.setEnd(range1.endContainer, range1.endOffset);
return range2.toString().length;
}
//textarea
return target.selectionStart;
}
//IE<9
if (document.selection) {
target.focus();
//contenteditable
if (isContentEditable) {
var range1 = document.selection.createRange(),
range2 = document.body.createTextRange();
range2.moveToElementText(target);
range2.setEndPoint('EndToEnd', range1);
return range2.text.length;
}
//textarea
var pos = 0,
range = target.createTextRange(),
range2 = document.selection.createRange().duplicate(),
bookmark = range2.getBookmark();
range.moveToBookmark(bookmark);
while (range.moveStart('character', -1) !== 0) pos++;
return pos;
}
// Addition for jsdom support
if (target.selectionStart)
return target.selectionStart;
//not supported
return 0;
}
//set
if (pos == -1)
pos = this[isContentEditable? 'text' : 'val']().length;
//HTML5
if (window.getSelection) {
//contenteditable
if (isContentEditable) {
target.focus();
window.getSelection().collapse(target.firstChild, pos);
}
//textarea
else
target.setSelectionRange(pos, pos);
}
//IE<9
else if (document.body.createTextRange) {
if (isContentEditable) {
var range = document.body.createTextRange();
range.moveToElementText(target);
range.moveStart('character', pos);
range.collapse(true);
range.select();
} else {
var range = target.createTextRange();
range.move('character', pos);
range.select();
}
}
if (!isContentEditable)
target.focus();
return pos;
}
})(jQuery);