Prevent most keyboard shortcuts during walkthrough

(If hit accidently these can really get a user stuck)

js/id/behavior/copy.js

@@ -33,6 +33,7 @@ iD.behavior.Copy = function(context) {
 
     function doCopy() {
         d3.event.preventDefault();
+        if (context.inIntro()) return;
 
         var graph = context.graph(),
             selected = groupEntities(context.selectedIDs(), graph),

js/id/behavior/paste.js

@@ -19,6 +19,7 @@ iD.behavior.Paste = function(context) {
 
     function doPaste() {
         d3.event.preventDefault();
+        if (context.inIntro()) return;
 
         var mouse = context.mouse(),
             projection = context.projection,

js/id/modes/select.js

@@ -147,7 +147,9 @@ iD.modes.Select = function(context, selectedIDs) {
         }
 
         function ret() {
-            context.enter(iD.modes.Browse(context));
+            if (!context.inIntro()) {
+                context.enter(iD.modes.Browse(context));
+            }
         }
 
 
@@ -169,7 +171,7 @@ iD.modes.Select = function(context, selectedIDs) {
         operations.forEach(function(operation) {
             operation.keys.forEach(function(key) {
                 keybinding.on(key, function() {
-                    if (!operation.disabled()) {
+                    if (!(context.inIntro() || operation.disabled())) {
                         operation();
                     }
                 });

js/id/ui.js

@@ -176,7 +176,7 @@ iD.ui = function(context) {
         function pan(d) {
             return function() {
                 d3.event.preventDefault();
-                context.pan(d);
+                if (!context.inIntro()) context.pan(d);
             };
         }
 

js/id/ui/undo_redo.js

@@ -2,12 +2,12 @@ iD.ui.UndoRedo = function(context) {
     var commands = [{
         id: 'undo',
         cmd: iD.ui.cmd('⌘Z'),
-        action: function() { if (!saving()) context.undo(); },
+        action: function() { if (!(context.inIntro() || saving())) context.undo(); },
         annotation: function() { return context.history().undoAnnotation(); }
     }, {
         id: 'redo',
         cmd: iD.ui.cmd('⌘⇧Z'),
-        action: function() { if (!saving()) context.redo(); },
+        action: function() {if (!(context.inIntro() || saving())) context.redo(); },
         annotation: function() { return context.history().redoAnnotation(); }
     }];
 

js/id/ui/zoom.js

@@ -15,22 +15,22 @@ iD.ui.Zoom = function(context) {
 
     function zoomIn() {
         d3.event.preventDefault();
-        context.zoomIn();
+        if (!context.inIntro()) context.zoomIn();
     }
 
     function zoomOut() {
         d3.event.preventDefault();
-        context.zoomOut();
+        if (!context.inIntro()) context.zoomOut();
     }
 
     function zoomInFurther() {
         d3.event.preventDefault();
-        context.zoomInFurther();
+        if (!context.inIntro()) context.zoomInFurther();
     }
 
     function zoomOutFurther() {
         d3.event.preventDefault();
-        context.zoomOutFurther();
+        if (!context.inIntro()) context.zoomOutFurther();
     }