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/* vim: set expandtab sw=4 ts=4 sts=4: */
// global var that holds: 0- if ctrl key is not pressed 1- if ctrl key is pressed
var ctrlKeyHistory = 0;
/**
* Allows moving around inputs/select by Ctrl+arrows
*
* @param object event data
*/
function onKeyDownArrowsHandler(e)
{
e = e || window.event;
var o = (e.srcElement || e.target);
if (!o) {
return;
}
if (o.tagName != "TEXTAREA" && o.tagName != "INPUT" && o.tagName != "SELECT") {
return;
}
if ((e.which != 17) && (e.which != 37) && (e.which != 38) && (e.which != 39) && (e.which !=40)) {
return;
}
if (!o.id) {
return;
}
if (e.type == "keyup") {
if (e.which==17) {
ctrlKeyHistory = 0;
}
return;
}
else if (e.type == "keydown") {
if (e.which == 17) {
ctrlKeyHistory = 1;
}
}
if (ctrlKeyHistory != 1) {
return;
}
e.preventDefault();
var pos = o.id.split("_");
if (pos[0] != "field" || typeof pos[2] == "undefined") {
return;
}
var x = pos[2], y = pos[1];
var nO = null;
switch (e.keyCode) {
case 38:
// up
y--;
break;
case 40:
// down
y++;
break;
case 37:
// left
x--;
break;
case 39:
// right
x++;
break;
default:
return;
}
var is_firefox = navigator.userAgent.toLowerCase().indexOf("firefox/") > -1;
var id = "field_" + y + "_" + x;
nO = document.getElementById(id);
if (! nO) {
id = "field_" + y + "_" + x + "_0";
nO = document.getElementById(id);
}
// skip non existent fields
if (! nO) {
return;
}
// for firefox select tag
var lvalue = o.selectedIndex;
var nOvalue = nO.selectedIndex;
nO.focus();
if (is_firefox) {
var ffcheck = 0;
var ffversion;
for (ffversion = 3 ; ffversion < 25 ; ffversion++) {
var is_firefox_v_24 = navigator.userAgent.toLowerCase().indexOf('firefox/'+ffversion) > -1;
if (is_firefox_v_24) {
ffcheck = 1;
break;
}
}
if (ffcheck == 1) {
if (e.which == 38 || e.which == 37) {
nOvalue++;
}
else if (e.which == 40 || e.which == 39) {
nOvalue--;
}
nO.selectedIndex=nOvalue;
}
else {
if (e.which == 38 || e.which == 37) {
lvalue++;
}
else if (e.which == 40 || e.which == 39) {
lvalue--;
}
o.selectedIndex=lvalue;
}
}
if (nO.tagName != 'SELECT') {
nO.select();
}
e.returnValue = false;
}
AJAX.registerTeardown('keyhandler.js', function () {
$(document).off('keydown keyup', '#table_columns');
$(document).off('keydown keyup', 'table.insertRowTable');
});
AJAX.registerOnload('keyhandler.js', function () {
$(document).on('keydown keyup', '#table_columns', function (event) {
onKeyDownArrowsHandler(event.originalEvent);
});
$(document).on('keydown keyup', 'table.insertRowTable', function (event) {
onKeyDownArrowsHandler(event.originalEvent);
});
});
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