Merge pull request #2558 from node-red/progress-bar

Add a loading progress bar

packages/node_modules/@node-red/editor-client/locales/en-US/editor.json

@@ -34,6 +34,13 @@
             "null": "null"
         }
     },
+    "event": {
+        "loadPalette": "Loading Palette",
+        "loadNodeCatalogs": "Loading Node catalogs",
+        "loadNodes": "Loading Nodes __count__",
+        "loadFlows": "Loading Flows",
+        "importFlows": "Adding Flows to workspace"
+    },
     "workspace": {
         "defaultName": "Flow __number__",
         "editFlow": "Edit flow: __name__",

packages/node_modules/@node-red/editor-client/src/js/red.js

@@ -75,6 +75,7 @@ var RED = (function() {
     }
 
     function loadNodeList() {
+        loader.reportProgress(RED._("event.loadPalette"), 20)
         $.ajax({
             headers: {
                 "Accept":"application/json"
@@ -83,6 +84,7 @@ var RED = (function() {
             url: 'nodes',
             success: function(data) {
                 RED.nodes.setNodeList(data);
+                loader.reportProgress(RED._("event.loadNodeCatalogs"), 25)
                 RED.i18n.loadNodeCatalogs(function() {
                     loadIconList(loadNodes);
                 });
@@ -107,6 +109,7 @@ var RED = (function() {
     }
 
     function loadNodes() {
+        loader.reportProgress(RED._("event.loadNodes",{count:""}), 30)
         var lang = localStorage.getItem("editor-language")||i18n.detectLanguage();
 
         $.ajax({
@@ -118,7 +121,11 @@ var RED = (function() {
             url: 'nodes',
             success: function(data) {
                 var configs = data.trim().split(/(?=<!-- --- \[red-module:\S+\] --- -->)/);
+                var totalCount = configs.length;
+
                 var stepConfig = function() {
+                    loader.reportProgress(RED._("event.loadNodes",{count:(totalCount-configs.length)+"/"+totalCount}), 30 + ((totalCount-configs.length)/totalCount)*40 )
+
                     if (configs.length === 0) {
                         $("#red-ui-editor").i18n();
                         $("#red-ui-palette > .red-ui-palette-spinner").hide();
@@ -159,6 +166,7 @@ var RED = (function() {
     }
 
     function loadFlows(done) {
+        loader.reportProgress(RED._("event.loadFlows"),80 )
         $.ajax({
             headers: {
                 "Accept":"application/json",
@@ -169,6 +177,7 @@ var RED = (function() {
                 if (nodes) {
                     var currentHash = window.location.hash;
                     RED.nodes.version(nodes.rev);
+                    loader.reportProgress(RED._("event.importFlows"),90 )
                     RED.nodes.import(nodes.flows);
                     RED.nodes.dirty(false);
                     RED.view.redraw(true);
@@ -195,6 +204,7 @@ var RED = (function() {
                 return;
             }
             if (notificationId === "project-update") {
+                loader.start("Loading project",0)
                 RED.nodes.clear();
                 RED.history.clear();
                 RED.view.redraw(true);
@@ -210,6 +220,7 @@ var RED = (function() {
                             "revert": RED._("notification.project.revert", {project: msg.project}),
                             "merge-complete": RED._("notification.project.merge-complete")
                         }[msg.action];
+                        loader.end()
                         RED.notify("<p>"+message+"</p>");
                         RED.sidebar.info.refresh()
                     });
@@ -425,6 +436,12 @@ var RED = (function() {
             var id = topic.substring(9);
             RED.eventLog.log(id,payload);
         });
+
+        $(".red-ui-header-toolbar").show();
+
+        setTimeout(function() {
+            loader.end();
+        },100);
     }
 
     function showAbout() {
@@ -506,7 +523,6 @@ var RED = (function() {
     }
 
     function loadEditor() {
-
         RED.workspaces.init();
         RED.statusBar.init();
         RED.view.init();
@@ -549,13 +565,14 @@ var RED = (function() {
         RED.comms.connect();
 
         $("#red-ui-main-container").show();
-        $(".red-ui-header-toolbar").show();
+
 
         RED.actions.add("core:show-about", showAbout);
 
         loadNodeList();
     }
 
+
     function buildEditor(options) {
         var header = $('<div id="red-ui-header"></div>').appendTo(options.target);
         var logo = $('<span class="red-ui-header-logo"></span>').appendTo(header);
@@ -570,6 +587,10 @@ var RED = (function() {
         '</div>').appendTo(options.target);
         $('<div id="red-ui-editor-node-configs"></div>').appendTo(options.target);
         $('<div id="red-ui-full-shade" class="hide"></div>').appendTo(options.target);
+
+        loader.init().appendTo("#red-ui-main-container");
+        loader.start("...",0);
+
         $.getJSON(options.apiRootUrl+"theme", function(theme) {
             if (theme.header) {
                 if (theme.header.url) {
@@ -602,12 +623,39 @@ var RED = (function() {
         options.target.addClass("red-ui-editor");
 
         buildEditor(options);
+
         RED.i18n.init(options, function() {
             RED.settings.init(options, loadEditor);
         })
     }
 
+    var loader = {
+        init: function() {
+            var wrapper = $('<div id="red-ui-loading-progress"></div>').hide();
+            var container = $('<div>').appendTo(wrapper);
+            var label = $('<div>',{class:"red-ui-loading-bar-label"}).appendTo(container);
+            var bar = $('<div>',{class:"red-ui-loading-bar"}).appendTo(container);
+            var fill =$('<span>').appendTo(bar);
+            return wrapper;
+        },
+        start: function(text, prcnt) {
+            if (text) {
+                loader.reportProgress(text,prcnt)
+            }
+            $("#red-ui-loading-progress").show();
+        },
+        reportProgress: function(text, prcnt) {
+            $(".red-ui-loading-bar-label").text(text);
+            $(".red-ui-loading-bar span").width(prcnt+"%")
+        },
+        end: function() {
+            $("#red-ui-loading-progress").hide();
+            loader.reportProgress("",0);
+        }
+    }
+
     return {
-        init: init
+        init: init,
+        loader: loader
     }
 })();

packages/node_modules/@node-red/editor-client/src/js/ui/projects/projects.js

@@ -1497,7 +1497,6 @@ RED.projects = (function() {
                                         }
                                     } else if (projectType === 'open') {
                                         return switchProject(selectedProject.name,function(err,data) {
-                                            dialog.dialog( "close" );
                                             if (err) {
                                                 if (err.code !== 'credentials_load_failed') {
                                                     console.log(RED._("projects.create.unexpected_error"),err)
@@ -1606,6 +1605,7 @@ RED.projects = (function() {
                 },
             }
         },{active:true}).then(function() {
+            dialog.dialog( "close" );
             RED.events.emit("project:change", {name:name});
         }).always(function() {
             setTimeout(function() {

packages/node_modules/@node-red/editor-client/src/sass/workspace.scss

@@ -172,3 +172,44 @@ button.red-ui-footer-button-toggle {
         margin-right: 0;
     }
 }
+
+
+#red-ui-loading-progress {
+    position: absolute;
+    background: $primary-background;
+    top: 0;
+    bottom: 0;
+    right: 0;
+    left: 0;
+    z-index: 200;
+    & > div {
+        position: absolute;
+        top: 30%;
+        left: 50%;
+        transform: translate(-50%, -50%);
+        width: 300px;
+        height:80px;
+        text-align: center;
+        color: $secondary-text-color;
+
+    }
+}
+.red-ui-loading-bar {
+    box-sizing: border-box;
+    width: 300px;
+    height: 30px;
+    border: 2px solid $primary-border-color;
+    border-radius: 4px;
+
+    > span {
+        display: block;
+        height: 100%;
+        background: $secondary-border-color;
+        transition: width 0.2s;
+        width: 10%;
+    }
+}
+.red-ui-loading-bar-label {
+    font-size: 13px;
+    margin-bottom: 2px;
+}