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Import/export settings #54

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Import/export settings #54

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5d2a811
Buttons for im-/export on config page
derpicknicker1 Oct 20, 2017
51378fb
Added style for blue buttons to css
derpicknicker1 Oct 20, 2017
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78 changes: 50 additions & 28 deletions config_html.h
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ const char config_html[] PROGMEM = R"=====(
<h1>** ESP32 Radio **</h1>
<p>You can edit the configuration here. <i>Note that this will be effective on the next restart of the radio.</i></p>
<h3>Available WiFi networks
<select class="select" onChange="handletone(this)" id="ssid"></select>
<select class="select" id="ssid"></select>
</h3>
<textarea rows="20" cols="100" id="prefs">Loading preferences</textarea>
<br>
Expand All @@ -32,10 +32,37 @@ const char config_html[] PROGMEM = R"=====(
<button class="button buttonr" onclick="httpGet('reset')">Restart</button>
&nbsp;&nbsp;
<button class="button" onclick="ldef('getdefs')">Default</button>
<br><input type="text" size="80" id="resultstr" placeholder="Waiting for input....">
<br>
&nbsp;&nbsp;
<button class="button buttonb" onclick="wFile()">Export</button>
&nbsp;&nbsp;
<button class="button buttonb" onclick="f.click()">Import</button>
<input type="file" id="f" style="display:none;" accept="text/*"/>
<br><input type="text" size="80" id="resultstr" placeholder="Waiting for input....">

<script>

f.addEventListener('change', rFile, false);

function rFile(e) {
if (!e.target.files[0]) return;
var r = new FileReader();
r.onload = function(e) {
prefs.value = e.target.result;

};
r.readAsText(e.target.files[0]);
}

function wFile() {
var e = document.createElement('a');
e.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(prefs.value));
e.setAttribute('download', 'esp32radio_settings.txt');
e.style.display = 'none';
document.body.appendChild(e);
e.click();
document.body.removeChild(e);
}

function httpGet ( theReq )
{
var theUrl = "/?" + theReq + "&version=" + Math.random() ;
Expand All @@ -50,7 +77,6 @@ const char config_html[] PROGMEM = R"=====(
xhr.send() ;
}

// Load preferences or default preferences
function ldef ( source )
{
var xhr = new XMLHttpRequest() ;
Expand All @@ -65,7 +91,6 @@ const char config_html[] PROGMEM = R"=====(
xhr.send() ;
}

// Save the preferences
function fsav()
{
var str = prefs.value ;
Expand All @@ -78,7 +103,6 @@ const char config_html[] PROGMEM = R"=====(
resultstr.value = xhr.responseText ;
}
}
// Remove empty lines
while ( str.indexOf ( "\r\n\r\n" ) >= 0 )
{
str = str.replace ( /\r\n\r\n/g, "\r\n" )
Expand All @@ -92,32 +116,30 @@ const char config_html[] PROGMEM = R"=====(
xhr.send ( str + "\n" ) ;
}

// Fill configuration initially
// First the available WiFi networks
var i, select, opt, networks, params ;

select = document.getElementById("selnet") ;
var theUrl = "/?getnetworks" + "&version=" + Math.random() ;
var xhr = new XMLHttpRequest() ;
xhr.onreadystatechange = function() {
if ( xhr.readyState == XMLHttpRequest.DONE )
{
networks = xhr.responseText.split ( "|" ) ;

for ( i = 0 ; i < ( networks.length - 1 ) ; i++ )
function lnet(){
var i, opt, networks ;
var xhr = new XMLHttpRequest() ;
xhr.onreadystatechange = function() {
if ( xhr.readyState == XMLHttpRequest.DONE )
{
opt = document.createElement( "OPTION" ) ;
opt.value = i ;
opt.text = networks[i] ;
ssid.add( opt ) ;
networks = xhr.responseText.split ( "|" ) ;

for ( i = 0 ; i < ( networks.length - 1 ) ; i++ )
{
opt = document.createElement( "OPTION" ) ;
opt.value = i ;
opt.text = networks[i] ;
ssid.add( opt ) ;
}
ldef ( "getprefs" ) ;
}
}
xhr.open ( "GET", "/?getnetworks" + "&version=" + Math.random(), false ) ;
xhr.send() ;
}
xhr.open ( "GET", theUrl, false ) ;
xhr.send() ;
// Now get the configuration parameters from preferences
ldef ( "getprefs" ) ;

lnet();
</script>
</body>
</html>
)=====" ;
)=====" ;
4 changes: 3 additions & 1 deletion radio_css.h
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,8 @@ li a:hover, a.active {

.buttonr {background-color: #D62C1A;}

.buttonb {background-color: #1E90FF;}

.select {
width: 160px;
height: 32px;
Expand Down Expand Up @@ -122,4 +124,4 @@ textarea {
font-family: Courier, "Lucida Console", monospace;
background-color: white;
resize: none;
})=====" ;
})=====" ;