119 lines
2.7 KiB
JavaScript
119 lines
2.7 KiB
JavaScript
/* vim: set expandtab sw=4 ts=4 sts=4: */
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// gloabl vars to hold Arrow Down event timeStamps
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var prevTimeStamp = 0;
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var curTimeStamp = 0;
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/**
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* Allows moving around inputs/select by Ctrl+arrows
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*
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* @param object event data
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*/
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function onKeyDownArrowsHandler(e)
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{
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e = e || window.event;
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curTimeStamp = e.timeStamp;
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if( prevTimeStamp == 0 ) {
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prevTimeStamp = curTimeStamp;
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}
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else if( Math.abs(curTimeStamp-prevTimeStamp) < 150 ) {
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// event in a very quick succession
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return;
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}
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prevTimeStamp = curTimeStamp;
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var o = (e.srcElement || e.target);
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if (!o) {
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return;
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}
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if (o.tagName != "TEXTAREA" && o.tagName != "INPUT" && o.tagName != "SELECT") {
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return;
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}
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if (navigator.userAgent.toLowerCase().indexOf('applewebkit/') != -1) {
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if (e.ctrlKey || e.shiftKey || !e.altKey) {
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return;
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}
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} else {
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if (!e.ctrlKey || e.shiftKey || e.altKey) {
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return;
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}
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}
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if (!o.id) {
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return;
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}
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var pos = o.id.split("_");
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if (pos[0] != "field" || typeof pos[2] == "undefined") {
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return;
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}
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var x = pos[2], y = pos[1];
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var nO = null;
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switch (e.keyCode) {
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case 38:
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// up
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y--;
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break;
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case 40:
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// down
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y++;
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break;
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case 37:
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// left
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x--;
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break;
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case 39:
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// right
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x++;
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break;
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default:
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return;
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}
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var is_firefox = navigator.userAgent.toLowerCase().indexOf("firefox/") > -1;
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// restore selected index, bug #3799
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if (is_firefox && e.type == "keyup") {
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o.selectedIndex = window["selectedIndex_" + o.id];
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}
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var id = "field_" + y + "_" + x;
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nO = document.getElementById(id);
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if (! nO) {
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id = "field_" + y + "_" + x + "_0";
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nO = document.getElementById(id);
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}
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// skip non existent fields
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if (! nO) {
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return;
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}
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if (e.type == "keydown") {
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nO.focus();
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if (is_firefox) {
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window["selectedIndex_" + nO.id] = nO.selectedIndex;
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}
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}
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if (nO.tagName != 'SELECT') {
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nO.select();
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}
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e.returnValue = false;
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}
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AJAX.registerTeardown('keyhandler.js', function () {
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$('#table_columns').die('keydown keyup');
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$('table.insertRowTable').die('keydown keyup');
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});
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AJAX.registerOnload('keyhandler.js', function () {
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$('#table_columns').live('keydown keyup', function (event) {
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onKeyDownArrowsHandler(event.originalEvent);
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});
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$('table.insertRowTable').live('keydown keyup', function (event) {
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onKeyDownArrowsHandler(event.originalEvent);
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});
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});
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