1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
function isObject(o) {
return Object.prototype.toString.call(o) === '[object Object]';
}
function ge(id) {
return document.getElementById(id)
}
function hide(el) {
el.style.display = 'none'
}
function cancelEvent(evt) {
if (evt.preventDefault) evt.preventDefault();
if (evt.stopPropagation) evt.stopPropagation();
evt.cancelBubble = true;
evt.returnValue = false;
return false;
}
function errorText(e) {
return e instanceof Error ? e.message : e+''
}
(function() {
function request(method, url, data, callback) {
data = data || null;
if (typeof callback != 'function') {
throw new Error('callback must be a function');
}
if (!url)
throw new Error('no url specified');
switch (method) {
case 'GET':
if (isObject(data)) {
for (var k in data) {
if (data.hasOwnProperty(k))
url += (url.indexOf('?') === -1 ? '?' : '&')+encodeURIComponent(k)+'='+encodeURIComponent(data[k])
}
}
break;
case 'POST':
if (isObject(data)) {
var sdata = [];
for (var k in data) {
if (data.hasOwnProperty(k))
sdata.push(encodeURIComponent(k)+'='+encodeURIComponent(data[k]));
}
data = sdata.join('&');
}
break;
}
var xhr = new XMLHttpRequest();
xhr.open(method, url);
if (method === 'POST')
xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
xhr.onreadystatechange = function() {
if (xhr.readyState === 4) {
if ('status' in xhr && !/^2|1223/.test(xhr.status))
throw new Error('http code '+xhr.status)
callback(null, JSON.parse(xhr.responseText));
}
};
xhr.onerror = function(e) {
callback(e, null);
};
xhr.send(method === 'GET' ? null : data);
return xhr;
}
window.ajax = {
get: request.bind(request, 'GET'),
post: request.bind(request, 'POST')
}
})();
function lock(el) {
el.setAttribute('disabled', 'disabled');
}
function unlock(el) {
el.removeAttribute('disabled');
}
function initNetworkSettings() {
function setupField(el, value) {
if (value !== null)
el.value = value;
unlock(el);
}
var doneRequestsCount = 0;
function onRequestDone() {
doneRequestsCount++;
if (doneRequestsCount === 2) {
hide(ge('loading_label'))
}
}
var form = document.forms.network_settings;
form.addEventListener('submit', function(e) {
if (!form.hid.value.trim()) {
alert('Введите home id');
return cancelEvent(e);
}
if (form.psk.value.length < 8) {
alert('Неверный пароль (минимальная длина - 8 символов)');
return cancelEvent(e);
}
if (form.ssid.selectedIndex === -1) {
alert('Не выбрана точка доступа');
return cancelEvent(e);
}
lock(form.submit)
})
form.show_psk.addEventListener('change', function(e) {
form.psk.setAttribute('type', e.target.checked ? 'text' : 'password');
});
form.ssid.addEventListener('change', function(e) {
var i = e.target.selectedIndex;
if (i !== -1) {
var opt = e.target.options[i];
if (opt)
form.psk.value = '';
}
});
ajax.get('/status', {}, function(error, response) {
try {
if (error)
throw error;
setupField(form.hid, response.node_id || null);
setupField(form.psk, null);
setupField(form.submit, null);
onRequestDone();
} catch (error) {
alert(errorText(error));
}
});
ajax.get('/scan', {}, function(error, response) {
try {
if (error)
throw error;
form.ssid.innerHTML = '';
for (var i = 0; i < response.list.length; i++) {
var ssid = response.list[i][0];
var rssi = response.list[i][1];
form.ssid.append(new Option(ssid + ' (' + rssi + ' dBm)', ssid));
}
unlock(form.ssid);
onRequestDone();
} catch (error) {
alert(errorText(error));
}
});
}
function initUpdateForm() {
var form = document.forms.update_settings;
form.addEventListener('submit', function(e) {
cancelEvent(e);
if (!form.file.files.length) {
alert('Файл обновления не выбран');
return false;
}
lock(form.submit);
var xhr = new XMLHttpRequest();
var fd = new FormData();
fd.append('file', form.file.files[0]);
xhr.upload.addEventListener('progress', function (e) {
var total = form.file.files[0].size;
var progress;
if (e.loaded < total) {
progress = Math.round(e.loaded / total * 100).toFixed(2);
} else {
progress = 100;
}
form.submit.innerHTML = progress + '%';
});
xhr.onreadystatechange = function() {
var errorMessage = 'Ошибка обновления';
var successMessage = 'Обновление завершено, устройство перезагружается';
if (xhr.readyState === 4) {
try {
var response = JSON.parse(xhr.responseText);
if (response.result === 1) {
alert(successMessage);
} else {
alert(errorMessage);
}
} catch (e) {
alert(successMessage);
}
}
};
xhr.onerror = function(e) {
alert(errorText(e));
};
xhr.open('POST', e.target.action);
xhr.send(fd);
return false;
});
form.file.addEventListener('change', function(e) {
if (e.target.files.length) {
var reader = new FileReader();
reader.onload = function() {
var hash = window.md5(reader.result);
form.setAttribute('action', '/update?md5='+hash);
unlock(form.submit);
};
reader.onerror = function() {
alert('Ошибка чтения файла');
};
reader.readAsBinaryString(e.target.files[0]);
}
});
}
window.initApp = function() {
initNetworkSettings();
initUpdateForm();
}
|
