92 lines
2.0 KiB
JavaScript
92 lines
2.0 KiB
JavaScript
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// global var that holds: 0- if ctrl key is not pressed 1- if ctrl key is pressed
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var ctrlKeyHistory = 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(event) {
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var e = event || window.event;
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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 (e.which !== 17 && e.which !== 37 && e.which !== 38 && e.which !== 39 && e.which !== 40) {
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return;
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}
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if (!o.id) {
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return;
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}
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if (e.type === 'keyup') {
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if (e.which === 17) {
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ctrlKeyHistory = 0;
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}
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return;
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} else if (e.type === 'keydown') {
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if (e.which === 17) {
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ctrlKeyHistory = 1;
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}
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}
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if (ctrlKeyHistory !== 1) {
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return;
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}
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e.preventDefault();
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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];
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var y = pos[1];
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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 id = 'field_' + y + '_' + x;
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var 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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nO.focus();
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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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$(document).off('keydown keyup', '#table_columns');
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$(document).off('keydown keyup', 'table.insertRowTable');
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});
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AJAX.registerOnload('keyhandler.js', function () {
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$(document).on('keydown keyup', '#table_columns', function (event) {
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onKeyDownArrowsHandler(event.originalEvent);
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});
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$(document).on('keydown keyup', 'table.insertRowTable', function (event) {
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onKeyDownArrowsHandler(event.originalEvent);
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});
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});
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