Add dropdown menu to settings window for log level selection with appropriate warnings.

js/settings/SettingsWindow.js

@@ -34,7 +34,8 @@ function SettingsWindow() {
 	var _networkPanel = new NetworkPanel();
 	var _networkAPI = new NetworkAPI();
 	
-	var _restoreStateField
+	var _restoreStateField;
+	var _initialLogLevel;
 	
 	var self = this;
 
@@ -123,6 +124,7 @@ function SettingsWindow() {
 		_form.loadAllSettings(function(loadedSettings){
 			console.log("Settings:loaded settings: ",loadedSettings);
 			settings = loadedSettings;
+			_initialLogLevel = loadedSettings['system.log.level'];
 			_form.fillForm(settings);
 			$(document).trigger(SettingsWindow.SETTINGS_LOADED);
 			if(complete) complete();
@@ -180,6 +182,23 @@ function SettingsWindow() {
 	this.openFileManager = function() {
 		location.href = "filemanager/"+location.search;
 	}
+
+	this.logLevelChanged = function(elem) {
+		var showHideAnimDuration = 100;
+		if (_initialLogLevel != elem.value) {
+			$('#logging-restart-warning').show(showHideAnimDuration);
+		} else {
+			$('#logging-restart-warning').hide(showHideAnimDuration);
+		}
+
+		switch (elem.value) {
+		case "info": case "verbose": case "bulk":
+			$('#logging-verbose-warning').show(showHideAnimDuration);
+			break;
+		default:
+			$('#logging-verbose-warning').hide(showHideAnimDuration);
+		}
+	}
 }
 
 /*************************

less/settingsPopup.less

@@ -3,6 +3,16 @@
   SETTINGS POPUP
 
 */
+.warn-box {
+  color: #bb0;
+  border: 1px solid #bb0;
+  width: 99%;
+  border-radius: 5px;
+  margin: 7px 0;
+  padding: 2px;
+  display: none;
+}
+
 #popupSettings {
   top: 0;
   left: 0;

www/helpcontent.html

@@ -22,7 +22,7 @@
   </li>
   <li data-id="btnsPrevNext" data-button="Next" data-options="tipLocation:right;tipAdjustmentY:-25">
     <h2>View saved doodles</h2>
-    <p>Use the buttons '<' and '>' to flip through all the saved doodles on your Wi-Fi box.</p>
+    <p>Use the buttons '&lt;' and '&gt;' to flip through all the saved doodles on your Wi-Fi box.</p>
   </li>
   <li data-id="btnOops" data-button="Next" data-options="tipLocation:right">
     <h2>Oops</h2>

www/settings.html

@@ -179,11 +179,27 @@
     <input type="button" onclick="settingsWindow.downloadGcode()" name="downloadGcode" value="Download GCODE" class="button" id="downloadGcode"/>
     <input type="button" onclick="settingsWindow.downloadSvg()" name="downloadSvg" value="Download SVG" class="button" id="downloadSvg"/>
   </fieldset>
-    
+
   <fieldset id="debugPanel">
  		<legend>Debug</legend>
- 		<input type="button" onclick="settingsWindow.downloadlogs()" name="downloadlogs" value="Download logs" class="button" id="downloadlogs"
-     />
+ 		<label for="logLevel">Log level:</label>
+		<select id="logLevel" name="system.log.level" onchange="settingsWindow.logLevelChanged(this)">
+			<option value="" disabled="disabled" selected="selected">Please choose a log level</option>
+			<option value="quiet">Quiet</option>
+			<option value="error">Error</option>
+			<option value="warning">Warning</option>
+			<option value="info">Info</option>
+			<option value="verbose">Verbose</option>
+			<option value="bulk">Bulk</option>
+ 		</select><br/>
+ 		<div id="logging-restart-warning" class="warn-box">
+  			Restart the wifibox for a new log level to take effect.
+  		</div>
+  		<div id="logging-verbose-warning" class="warn-box">
+  			<em>Be careful</em>: when setting a log level higher than info, the Wifibox may quickly run out of memory, causing crashes and other unwanted behaviour.
+  		</div>
+ 		<br/>
+ 		<input type="button" onclick="settingsWindow.downloadlogs()" name="downloadlogs" value="Download logs" class="button" id="downloadlogs"/>
   </fieldset>
   
   <fieldset id="restorePanel">