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Fire up server request only on typing printed or modifying characters and when the string actually changed

This commit is contained in:
Arthur Schiwon 2014-04-03 18:46:16 +02:00
parent 8df50acce7
commit dbc854d8b8
1 changed files with 28 additions and 8 deletions
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36
settings/js/users/filter.js
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@ -14,6 +14,7 @@ function UserManagementFilter(filterInput, userList) {
this.filterInput = filterInput;
this.userList = userList;
this.thread = undefined;
this.oldval = this.filterInput.val();
this.init();
}
@ -23,14 +24,33 @@ function UserManagementFilter(filterInput, userList) {
*/
UserManagementFilter.prototype.init = function() {
umf = this;
this.filterInput.keyup(function() {
clearTimeout(umf.thread);
umf.thread = setTimeout(
function() {
umf.run();
},
300
);
this.filterInput.keyup(function(e) {
console.log(e.keyCode);
//we want to react on any printable letter, plus on modyfing stuff like
//Backspace and Delete. extended https://stackoverflow.com/a/12467610
var valid =
e.keyCode === 0 || e.keyCode === 8 || // like ö or ж; backspace
e.keyCode === 9 || e.keyCode === 46 || // tab; delete
e.keyCode === 32 || // space
(e.keyCode > 47 && e.keyCode < 58) || // number keys
(e.keyCode > 64 && e.keyCode < 91) || // letter keys
(e.keyCode > 95 && e.keyCode < 112) || // numpad keys
(e.keyCode > 185 && e.keyCode < 193) || // ;=,-./` (in order)
(e.keyCode > 218 && e.keyCode < 223); // [\]' (in order)
//besides the keys, the value must have been changed compared to last
//time
if(valid && umf.oldVal !== umf.getPattern()) {
clearTimeout(umf.thread);
umf.thread = setTimeout(
function() {
umf.run();
},
300
);
}
umf.oldVal = umf.getPattern();
});
}