mirror of
https://github.com/cytopia/devilbox.git
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141 lines
3.3 KiB
JavaScript
141 lines
3.3 KiB
JavaScript
/* vim: set expandtab sw=4 ts=4 sts=4: */
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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 (e) {
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e = e || 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 is_firefox = navigator.userAgent.toLowerCase().indexOf('firefox/') > -1;
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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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// for firefox select tag
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var lvalue = o.selectedIndex;
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var nOvalue = nO.selectedIndex;
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nO.focus();
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if (is_firefox) {
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var ffcheck = 0;
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var ffversion;
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for (ffversion = 3 ; ffversion < 25 ; ffversion++) {
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var is_firefox_v_24 = navigator.userAgent.toLowerCase().indexOf('firefox/' + ffversion) > -1;
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if (is_firefox_v_24) {
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ffcheck = 1;
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break;
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}
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}
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if (ffcheck === 1) {
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if (e.which === 38 || e.which === 37) {
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nOvalue++;
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} else if (e.which === 40 || e.which === 39) {
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nOvalue--;
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}
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nO.selectedIndex = nOvalue;
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} else {
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if (e.which === 38 || e.which === 37) {
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lvalue++;
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} else if (e.which === 40 || e.which === 39) {
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lvalue--;
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}
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o.selectedIndex = lvalue;
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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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$(document).off('keydown keyup', '#table_columns');
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$(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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