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added exception handling from backend

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This commit is contained in:
Steffen Vogel 2010-10-08 13:27:44 +02:00
parent f2781b2fb5
commit e9e5006dae
1 changed files with 19 additions and 2 deletions
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21
frontend/javascripts/frontend.js
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@ -228,7 +228,11 @@ vz.handleControls = function () {
vz.entities.load = function() {
vz.entities.clear();
vz.uuids.each(function(index, value) {
$.getJSON(vz.options.backendUrl + '/entity/' + value + '.json', waitAsync(function(json) {
vz.load('entity', value, {}, waitAsync(function(json) {
if (json.exception) {
alert(exception.message);
return false;
}
vz.entities.push(new Entity(json.entity));
}, vz.entities.show, 'information'));
});
@ -327,7 +331,7 @@ vz.plot.data.load = function() {
$('#plot').html('<div id="loading"><img src="images/loading.gif" alt="loading..." /><p>Loading...</p></div>'); // TODO insert loading animation
vz.entities.each(function(entity, parent) {
if (entity.active && entity.type != 'group') {
$.getJSON(vz.options.backendUrl + '/data/' + entity.uuid + '.json', { from: Math.floor(vz.from), to: Math.ceil(vz.to), tuples: vz.options.tuples }, waitAsync(function(json) {
vz.load('data', entity.uuid, { from: Math.floor(vz.from), to: Math.ceil(vz.to), tuples: vz.options.tuples }, waitAsync(function(json) {
vz.plot.data.push({
data: json.data[0].tuples, // TODO check uuid
color: entity.color
@ -346,3 +350,16 @@ vz.plot.draw = function () {
vz.plot.flot = $.plot($('#plot'), vz.plot.data, vz.options.plot);
};
vz.load = function(context, identifier, data, success) {
$.ajax({
success: success,
url: vz.options.backendUrl + '/' + context + '/' + identifier + '.json',
dataType: 'json',
data: data,
error: function(xhr) {
json = JSON.parse(xhr.responseText);
alert(xhr.status + ': ' + xhr.statusText + '\n' + json.exception.message);
}
});
};