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Fix key handling

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- Stop search on up/down arrow, so you can use them to go through results again
- Cancel search timer on up/down arrow
- Pull key codes into a separate array so they're easier to maintain
This commit is contained in:
Nathan Gray 2009-05-21 17:04:58 +00:00
parent f5408f8f44
commit 040139dfac
1 changed files with 35 additions and 7 deletions
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42
etemplate/js/ajax_select.js
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@ -26,6 +26,13 @@ var current_app = 'etemplate';
var ajax_select_timer_id = 0;
var ajax_select_timeout = 300;
// These keys will not trigger a search if the results box is currently displayed
var no_search_keys = [
'9', // Tab
'38', '63232', // Up
'40', '63233' // Down
];
function ajax_select_widget_setup(widget_id, onchange, options, currentapp) {
current_app = currentapp;
if(onchange) {
@ -93,10 +100,17 @@ function checkKey(e, value) {
/*
* We check for Tab, Up and Down
*/
if (e.keyCode != '9' // Tab
&& e.keyCode != '38' && e.keyCode != '63232' // Up
&& e.keyCode != '40' && e.keyCode != '63233' // Down
) return; // The user has not pressed anything we're interested in
var interested = false;
for(var i = 0; i < no_search_keys.length; i++) {
if(e.keyCode == no_search_keys[i]) {
interested = true;
break;
}
}
if (!interested) {
return; // The user has not pressed anything we're interested in
}
if(e.target) {
var target = e.target;
} else if (e.srcElement) {
@ -116,6 +130,7 @@ function checkKey(e, value) {
if(results.childNodes.length > 0) {
e.cancelBubble = true;
if(e.stopPropegation) e.stopPropegation();
clearTimeout(ajax_select_timer_id);
} else {
return false;
}
@ -231,12 +246,25 @@ function change(e, value) {
}
var base_id = id.substr(0, id.lastIndexOf('['));
if(document.getElementById(base_id + '[results]')) {
set_id = base_id + '[results]';
// Tab doesn't trigger the search
if(e.keyCode == 9 ) {
return;
/*
* We check for Tab, Up and Down
*/
var interested = false;
for(var i = 0; i < no_search_keys.length; i++) {
if(e.keyCode == no_search_keys[i]) {
interested = true;
break;
}
}
if (interested && document.getElementById(set_id).style.display == 'block') {
clearTimeout(ajax_select_timer_id);
return; // Results are shown, allow keys to move the selection cursor
}
} else {
set_id = base_id + '[search]';
}