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Add toast when model reloading in progress #79

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Add toast when model reloading in progress #79

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13198a0
Add toast when model reloading in progress
raphael-isvelin Jul 12, 2023
8a16181
Fix crash when model reloading failed
raphael-isvelin Jul 12, 2023
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8 changes: 6 additions & 2 deletions cq_server/module_manager.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
from typing import List, Dict, Tuple
import glob
import json

import time

IGNORE_FILE_NAME = '.cqsignore'

Expand Down Expand Up @@ -185,9 +185,13 @@ def get_data(self) -> dict:

if self.module_name:
try:
start_time = time.perf_counter()
model = self.get_json_model()
end_time = time.perf_counter()
data = {
'module_name': self.module_name,
'model': self.get_json_model(),
'model': model,
'time_elapsed': end_time - start_time,
'source': ''
}
except ModuleManagerError as error:
Expand Down
6 changes: 4 additions & 2 deletions cq_server/server.py
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Expand Up @@ -13,7 +13,8 @@


WATCH_PERIOD = 0.3
SSE_MESSAGE_TEMPLATE = 'event: file_update\ndata: %s\n\n'
SSE_FILE_UPDATE_MESSAGE_TEMPLATE = 'event: file_update\ndata: %s\n\n'
SSE_LOADING_MODEL_MESSAGE_TEMPLATE = 'event: loading_model\ndata: %s\n\n'


app = Flask(__name__, static_url_path='/static')
Expand Down Expand Up @@ -74,8 +75,9 @@ def watchdog() -> None:

if last_updated_file:
module_manager.module_name = op.basename(last_updated_file)[:-3]
events_queue.put(SSE_LOADING_MODEL_MESSAGE_TEMPLATE % module_manager.module_name)
data = module_manager.get_data()
events_queue.put(SSE_MESSAGE_TEMPLATE % json.dumps(data))
events_queue.put(SSE_FILE_UPDATE_MESSAGE_TEMPLATE % json.dumps(data))
sleep(WATCH_PERIOD)

events_queue = Queue(maxsize = 3)
Expand Down
18 changes: 18 additions & 0 deletions cq_server/static/viewer.css
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Expand Up @@ -34,6 +34,24 @@ body {
background-color: grey;
}

.toast {
position: absolute;
z-index: 1000;
left: 50%;
top: 56px;
transform: translate(-50%, -50%);
padding: 5px 20px;
border: 1px solid black;
border-radius: 5px;
background-color: #444;
opacity: 0.8;
font-family: sans-serif;
color: white;
font-weight: 100;
font-size: 14px;
text-align: center;
}

.cqs_module_item {
margin: 0.5em;
display: inline-block;
Expand Down
35 changes: 34 additions & 1 deletion cq_server/static/viewer.js
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Expand Up @@ -9,12 +9,22 @@ let modules_name = [];
let viewer = null;
let timer = null;
let sse = null;
let toast_timeout = null;


function init_sse() {
sse = new EventSource('events');
sse.addEventListener('loading_model', event => {
const message = "Reloading model: " + event.data;
show_toast(message);
})
sse.addEventListener('file_update', event => {
render(JSON.parse(event.data));
const data = JSON.parse(event.data);
render(data);
hide_toast();
if (data.time_elapsed !== undefined) {
console.log(`${data.module_name}: model reloaded in ${data.time_elapsed.toFixed(2)} seconds`);
}
})
sse.onerror = error => {
if (sse.readyState == 2) {
Expand Down Expand Up @@ -54,6 +64,29 @@ function init_viewer(_options, _modules_name) {
}
}

function show_toast(message, duration = -1) {
if (toast_timeout) {
clearTimeout(toast_timeout);
toast_timeout = null;
}

document.getElementById('cqs_toast_message').innerText = message;
document.getElementById('cqs_toast').style.display = 'block';

if (duration !== -1) {
toast_timeout = setTimeout(hide_toast, duration);
}
}

function hide_toast() {
if (toast_timeout) {
clearTimeout(toast_timeout);
toast_timeout = null;
}

document.getElementById('cqs_toast').style.display = 'none';
}

function show_error() {
document.title = 'error | CadQuery Server';
document.getElementById('cqs_index').style.display = 'none';
Expand Down
4 changes: 4 additions & 0 deletions cq_server/templates/viewer.html
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,10 @@
<body>
<div id="cad_view"></div>

<div class="toast" id="cqs_toast" style="display: none">
<span id="cqs_toast_message"></span>
</div>

<div class="modal error" id="cqs_error" style="display: none">
<h2>Oops! An error occured.</h2>
<p id="cqs_error_message"></p>
Expand Down