first commit

js/_settings.js

@@ -0,0 +1,45 @@
+var settings;
+
+if (!Cookies.enabled) {
+  document.getElementById('cookies-disabled-warning').style.display = 'block';
+}
+
+//try to load settings from cookie
+var settingsFromCookie = Cookies.get('pixelEditorSettings');
+if(!settingsFromCookie) {
+  console.log('settings cookie not found')
+  settings = {
+  	switchToChangedColor: true,
+  	enableDynamicCursorOutline: true, //unused - performance
+  	enableBrushPreview: true, //unused - performance
+  	enableEyedropperPreview: true, //unused - performance
+  	numberOfHistoryStates: 20,
+  	maxColorsOnImportedImage: 128
+  };
+}
+else{
+  console.log('settings cookie found');
+  console.log(settingsFromCookie);
+  var settings = JSON.parse(settingsFromCookie);
+}
+console.log(settings);
+
+//on clicking the save button in the settings dialog
+on('click', 'save-settings', function (){
+  
+  //check if values are valid
+	if (isNaN(getValue('setting-numberOfHistoryStates'))) {
+    alert('Invalid value for numberOfHistoryStates')
+    return;
+	}
+
+  //save new settings to settings object
+  settings.numberOfHistoryStates = getValue('setting-numberOfHistoryStates');
+  
+  //save settings object to cookie
+  var cookieValue = JSON.stringify(settings);
+  Cookies.set('pixelEditorSettings', cookieValue, { expires: Infinity });
+  
+  //close window
+	closeDialogue();
+});