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Fix excessive display of 'waiting for server response' layer

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This commit is contained in:
Kijin Sung 2016-01-26 22:02:20 +09:00
parent f7b9769428
commit 4fe7a5e789
1 changed files with 43 additions and 34 deletions
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77
common/js/xml_handler.js
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@ -7,6 +7,15 @@
* Set this variable to false to hide the "waiting for server response" layer.
*/
window.show_waiting_message = true;
/**
* Set this variable to false to hide the "do you want to leave the page?" dialog.
*/
window.show_leaving_warning = true;
/**
* This variable stores the .wfsr jQuery object.
*/
var waiting_obj;
/**
@ -47,13 +56,21 @@
var _u2 = $("<a>").attr("href", url)[0];
if (_u1.protocol != _u2.protocol || _u1.port != _u2.port) return send_by_form(url, params);
// Do not send AJAX request if another request is in progress.
var _xhr = null;
if (_xhr && _xhr.readyState !== 0) _xhr.abort();
// Delay the waiting message for 1 second to prevent rapid blinking.
waiting_obj.css("opacity", 0.0);
var wfsr_timeout = setTimeout(function() {
if (show_waiting_message) {
waiting_obj.css("opacity", "").html(waiting_message).show();
}
}, 1000);
// Define the success handler.
var successHandler = function(data, textStatus, xhr) {
// Hide the waiting message.
clearTimeout(wfsr_timeout);
waiting_obj.hide().trigger("cancel_confirm");
// Copy data to the result object.
var result = {};
$.each(data, function(key, val) {
@ -98,6 +115,8 @@
// Define the error handler.
var errorHandler = function(xhr, textStatus) {
clearTimeout(wfsr_timeout);
waiting_obj.hide().trigger("cancel_confirm");
alert("AJAX communication error while requesting " + params.module + "." + params.act + "\n\n" + xhr.status + " " + xhr.statusText);
};
@ -108,27 +127,13 @@
type : "POST",
dataType : "json",
data : params,
beforeSend : function(xhr) { _xhr = xhr; },
success : successHandler,
error : errorHandler,
complete : function(xhr, textStatus) {
waiting_obj.hide().trigger("cancel_confirm");
}
error : errorHandler
});
} catch(e) {
alert(e);
return;
}
// Display the waiting message.
if (show_waiting_message && waiting_obj.length) {
var timeoutId = waiting_obj.data("timeout_id");
if (timeoutId) clearTimeout(timeoutId);
waiting_obj.css("opacity", 0.0).data("timeout_id", setTimeout(function() {
waiting_obj.css("opacity", "");
}, 1000));
waiting_obj.html(waiting_message).show();
}
};
@ -158,6 +163,10 @@
// Define the success handler.
var successHandler = function(data, textStatus, xhr) {
// Hide the waiting message.
clearTimeout(wfsr_timeout);
waiting_obj.hide().trigger("cancel_confirm");
// If the response contains an error, display the error message.
if(data.error != "0" && data.error > -1000) {
if(data.error == -1 && data.message == "msg_is_not_administrator") {
@ -181,6 +190,8 @@
// If there was a success callback, call it.
if($.isFunction(callback_success)) {
clearTimeout(wfsr_timeout);
waiting_obj.hide().trigger("cancel_confirm");
callback_success(data);
}
};
@ -198,11 +209,7 @@
url: request_uri,
data: params,
success : successHandler,
error : errorHandler,
complete : function(xhr, textStatus) {
clearTimeout(wfsr_timeout);
waiting_obj.hide().trigger("cancel_confirm");
}
error : errorHandler
});
} catch(e) {
alert(e);
@ -239,6 +246,8 @@
// Define the success handler.
var successHandler = function(data, textStatus, xhr) {
clearTimeout(wfsr_timeout);
waiting_obj.hide().trigger("cancel_confirm");
if (self && self[type]) {
self[type](html);
}
@ -249,6 +258,8 @@
// Define the error handler.
var errorHandler = function(xhr, textStatus) {
clearTimeout(wfsr_timeout);
waiting_obj.hide().trigger("cancel_confirm");
alert("AJAX communication error while requesting " + params.module + "." + params.act + "\n\n" + xhr.status + " " + xhr.statusText);
};
@ -260,11 +271,7 @@
url: request_uri,
data: params,
success: successHandler,
error: errorHandler,
complete : function(xhr, textStatus) {
clearTimeout(wfsr_timeout);
waiting_obj.hide().trigger("cancel_confirm");
}
error: errorHandler
});
} catch(e) {
alert(e);
@ -284,11 +291,13 @@
*/
$(function() {
waiting_obj = $(".wfsr");
$(document).ajaxStart(function() {
$(window).bind("beforeunload", beforeUnloadHandler);
}).bind("ajaxStop cancel_confirm", function() {
$(window).unbind("beforeunload", beforeUnloadHandler);
});
if (show_leaving_warning) {
$(document).ajaxStart(function() {
$(window).bind("beforeunload", beforeUnloadHandler);
}).bind("ajaxStop cancel_confirm", function() {
$(window).unbind("beforeunload", beforeUnloadHandler);
});
}
});
})(jQuery);