From b1df6d5149a1ea824f5907badff5770623e930de Mon Sep 17 00:00:00 2001
From: Nick O'Leary <knolleary@users.noreply.github.com>
Date: Tue, 12 Jan 2021 18:23:15 +0000
Subject: [PATCH] Add preview of exported nodes to Export dialog

---
 .../editor-client/src/js/ui/clipboard.js      | 158 ++++++++++++++++--
 .../editor-client/src/sass/library.scss       |  24 ++-
 .../editor-client/src/sass/tab-info.scss      |   2 +-
 3 files changed, 165 insertions(+), 19 deletions(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/clipboard.js b/packages/node_modules/@node-red/editor-client/src/js/ui/clipboard.js
index e46c88b4f..4ed618f6d 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/clipboard.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/clipboard.js
@@ -72,9 +72,7 @@ RED.clipboard = (function() {
                         text: RED._("clipboard.export.copy"),
                         click: function() {
                             if (activeTab === "red-ui-clipboard-dialog-export-tab-clipboard") {
-                                $("#red-ui-clipboard-dialog-export-text").select();
-                                document.execCommand("copy");
-                                document.getSelection().removeAllRanges();
+                                copyText($("#red-ui-clipboard-dialog-export-text").val());
                                 RED.notify(RED._("clipboard.nodesExported"),{id:"clipboard"});
                                 $( this ).dialog( "close" );
                             } else {
@@ -222,14 +220,22 @@ RED.clipboard = (function() {
                 '</div>'+
                 '<div id="red-ui-clipboard-dialog-export-tabs-content" class="red-ui-clipboard-dialog-tabs-content">'+
                     '<div id="red-ui-clipboard-dialog-export-tab-clipboard" class="red-ui-clipboard-dialog-tab-clipboard">'+
-                        '<div class="form-row" style="height:calc(100% - 30px)">'+
-                            '<textarea readonly id="red-ui-clipboard-dialog-export-text"></textarea>'+
+                        '<div id="red-ui-clipboard-dialog-export-tab-clipboard-tab-bar">'+
+                            '<ul id="red-ui-clipboard-dialog-export-tab-clipboard-tabs"></ul>'+
                         '</div>'+
-                        '<div class="form-row" style="text-align: right;">'+
-                            '<span id="red-ui-clipboard-dialog-export-fmt-group" class="button-group">'+
-                                '<a id="red-ui-clipboard-dialog-export-fmt-mini" class="red-ui-button red-ui-button-small toggle" href="#" data-i18n="clipboard.export.compact"></a>'+
-                                '<a id="red-ui-clipboard-dialog-export-fmt-full" class="red-ui-button red-ui-button-small toggle" href="#" data-i18n="clipboard.export.formatted"></a>'+
-                            '</span>'+
+                        '<div class="red-ui-clipboard-dialog-export-tab-clipboard-tab" id="red-ui-clipboard-dialog-export-tab-clipboard-preview">'+
+                            '<div id="red-ui-clipboard-dialog-export-tab-clipboard-preview-list"></div>'+
+                        '</div>'+
+                        '<div class="red-ui-clipboard-dialog-export-tab-clipboard-tab" id="red-ui-clipboard-dialog-export-tab-clipboard-json">'+
+                            '<div class="form-row" style="height:calc(100% - 40px)">'+
+                                '<textarea readonly id="red-ui-clipboard-dialog-export-text"></textarea>'+
+                            '</div>'+
+                            '<div class="form-row" style="text-align: right;">'+
+                                '<span id="red-ui-clipboard-dialog-export-fmt-group" class="button-group">'+
+                                    '<a id="red-ui-clipboard-dialog-export-fmt-mini" class="red-ui-button red-ui-button-small toggle" href="#" data-i18n="clipboard.export.compact"></a>'+
+                                    '<a id="red-ui-clipboard-dialog-export-fmt-full" class="red-ui-button red-ui-button-small toggle" href="#" data-i18n="clipboard.export.formatted"></a>'+
+                                '</span>'+
+                            '</div>'+
                         '</div>'+
                     '</div>'+
                     '<div id="red-ui-clipboard-dialog-export-tab-library" class="red-ui-clipboard-dialog-tab-library">'+
@@ -592,6 +598,30 @@ RED.clipboard = (function() {
         })
         loadFlowLibrary(libraryBrowser,"local",RED._("library.types.local"));
 
+        var clipboardTabs = RED.tabs.create({
+            id: "red-ui-clipboard-dialog-export-tab-clipboard-tabs",
+            onchange: function(tab) {
+                $(".red-ui-clipboard-dialog-export-tab-clipboard-tab").hide();
+                $("#" + tab.id).show();
+            }
+        });
+
+        clipboardTabs.addTab({
+            id: "red-ui-clipboard-dialog-export-tab-clipboard-preview",
+            label: RED._("clipboard.exportNodes")
+        });
+
+        clipboardTabs.addTab({
+            id: "red-ui-clipboard-dialog-export-tab-clipboard-json",
+            label: RED._("editor.types.json")
+        });
+
+
+        var previewList = $("#red-ui-clipboard-dialog-export-tab-clipboard-preview-list").css({position:"absolute",top:0,right:0,bottom:0,left:0}).treeList({
+            data: []
+        })
+        refreshExportPreview();
+
         $("#red-ui-clipboard-dialog-tab-library-name").val("flows.json").select();
 
         dialogContainer.i18n();
@@ -630,10 +660,10 @@ RED.clipboard = (function() {
             }
             $(this).parent().children().removeClass('selected');
             $(this).addClass('selected');
-            var type = $(this).attr('id');
+            var type = $(this).attr('id').substring("red-ui-clipboard-dialog-export-rng-".length);
             var flow = "";
             var nodes = null;
-            if (type === 'red-ui-clipboard-dialog-export-rng-selected') {
+            if (type === 'selected') {
                 var selection = RED.workspaces.selection();
                 if (selection.length > 0) {
                     nodes = [];
@@ -647,14 +677,14 @@ RED.clipboard = (function() {
                 }
                 // Don't include the subflow meta-port nodes in the exported selection
                 nodes = RED.nodes.createExportableNodeSet(nodes.filter(function(n) { return n.type !== 'subflow'}));
-            } else if (type === 'red-ui-clipboard-dialog-export-rng-flow') {
+            } else if (type === 'flow') {
                 var activeWorkspace = RED.workspaces.active();
                 nodes = RED.nodes.groups(activeWorkspace);
                 nodes = nodes.concat(RED.nodes.filterNodes({z:activeWorkspace}));
                 var parentNode = RED.nodes.workspace(activeWorkspace)||RED.nodes.subflow(activeWorkspace);
                 nodes.unshift(parentNode);
                 nodes = RED.nodes.createExportableNodeSet(nodes);
-            } else if (type === 'red-ui-clipboard-dialog-export-rng-full') {
+            } else if (type === 'full') {
                 nodes = RED.nodes.createCompleteNodeSet(false);
             }
             if (nodes !== null) {
@@ -670,8 +700,10 @@ RED.clipboard = (function() {
                 $("#red-ui-clipboard-dialog-export").addClass('disabled');
             }
             $("#red-ui-clipboard-dialog-export-text").val(flow);
-            setTimeout(function() { $("#red-ui-clipboard-dialog-export-text").scrollTop(0); },50);
-            $("#red-ui-clipboard-dialog-export-text").trigger("focus");
+            setTimeout(function() {
+                $("#red-ui-clipboard-dialog-export-text").scrollTop(0);
+                refreshExportPreview(type);
+            },50);
         })
 
         $("#red-ui-clipboard-dialog-ok").hide();
@@ -717,6 +749,93 @@ RED.clipboard = (function() {
 
     }
 
+    function refreshExportPreview(type) {
+
+        var flowData = $("#red-ui-clipboard-dialog-export-text").val() || "[]";
+        var flow = JSON.parse(flowData);
+        var flows = {};
+        var subflows = {};
+        var nodes = [];
+        var nodesByZ = {};
+
+        var treeFlows = [];
+        var treeSubflows = [];
+
+        flow.forEach(function(node) {
+            if (node.type === "tab") {
+                flows[node.id] = {
+                    element: getFlowLabel(node,false),
+                    deferBuild: type !== "flow",
+                    expanded: type === "flow",
+                    children: []
+                };
+                treeFlows.push(flows[node.id])
+            } else if (node.type === "subflow") {
+                subflows[node.id] = {
+                    element: getNodeLabel(node,false),
+                    deferBuild: true,
+                    children: []
+                };
+                treeSubflows.push(subflows[node.id])
+            } else {
+                nodes.push(node);
+            }
+        });
+
+        var globalNodes = [];
+        var parentlessNodes = [];
+
+        nodes.forEach(function(node) {
+            var treeNode = {
+                element: getNodeLabel(node, false, false)
+            };
+            if (node.z) {
+                if (!flows[node.z] && !subflows[node.z]) {
+                    parentlessNodes.push(treeNode)
+                } else if (flows[node.z]) {
+                    flows[node.z].children.push(treeNode)
+                } else if (subflows[node.z]) {
+                    subflows[node.z].children.push(treeNode)
+                }
+            } else {
+                globalNodes.push(treeNode);
+            }
+        });
+        var treeData = [];
+
+        if (parentlessNodes.length > 0) {
+            treeData = treeData.concat(parentlessNodes);
+        }
+        if (type === "flow") {
+            treeData = treeData.concat(treeFlows);
+        } else if (treeFlows.length > 0) {
+            treeData.push({
+                label: RED._("menu.label.flows"),
+                deferBuild: treeFlows.length > 20,
+                expanded: treeFlows.length <= 20,
+                children: treeFlows
+            })
+        }
+        if (treeSubflows.length > 0) {
+            treeData.push({
+                label: RED._("menu.label.subflows"),
+                deferBuild: treeSubflows.length > 10,
+                expanded: treeSubflows.length <= 10,
+                children: treeSubflows
+            })
+        }
+        if (globalNodes.length > 0) {
+            treeData.push({
+                label: RED._("sidebar.info.globalConfig"),
+                deferBuild: globalNodes.length > 10,
+                expanded: globalNodes.length <= 10,
+                children: globalNodes
+            })
+        }
+
+        $("#red-ui-clipboard-dialog-export-tab-clipboard-preview-list").treeList('data',treeData);
+    }
+
     function loadFlowLibrary(browser,library,label) {
         // if (includeExamples) {
         //     listing.push({
@@ -756,6 +875,7 @@ RED.clipboard = (function() {
     }
     function copyText(value,element,msg) {
         var truncated = false;
+        var currentFocus = document.activeElement;
         if (typeof value !== "string" ) {
             value = JSON.stringify(value, function(key,value) {
                 if (value !== null && typeof value === 'object') {
@@ -787,7 +907,7 @@ RED.clipboard = (function() {
         if (truncated) {
             msg += "_truncated";
         }
-        $("#red-ui-clipboard-hidden").val(value).select();
+        $("#red-ui-clipboard-hidden").val(value).focus().select();
         var result =  document.execCommand("copy");
         if (result && element) {
             var popover = RED.popover.create({
@@ -801,6 +921,10 @@ RED.clipboard = (function() {
             },1000);
             popover.open();
         }
+        $("#red-ui-clipboard-hidden").val("");
+        if (currentFocus) {
+            $(currentFocus).focus();
+        }
         return result;
     }
 
diff --git a/packages/node_modules/@node-red/editor-client/src/sass/library.scss b/packages/node_modules/@node-red/editor-client/src/sass/library.scss
index 26b17f38e..89109f357 100644
--- a/packages/node_modules/@node-red/editor-client/src/sass/library.scss
+++ b/packages/node_modules/@node-red/editor-client/src/sass/library.scss
@@ -29,8 +29,30 @@
         }
     }
 }
-.red-ui-clipboard-dialog-tab-clipboard {
+
+#red-ui-clipboard-dialog-export-tab-clipboard-preview {
+    .red-ui-treeList-container,.red-ui-editableList-border {
+        border: none;
+        border-radius: 0;
+    }
+}
+#red-ui-clipboard-dialog-export-tab-clipboard-json {
+    padding: 10px 10px 0;
+}
+#red-ui-clipboard-dialog-import-tab-clipboard {
     padding: 10px;
+}
+.red-ui-clipboard-dialog-export-tab-clipboard-tab {
+    position: absolute;
+    top: 40px;
+    right: 0;
+    left: 0;
+    bottom: 0;
+}
+
+.red-ui-clipboard-dialog-tab-clipboard {
+
+
     textarea {
          resize: none;
          width: 100%;
diff --git a/packages/node_modules/@node-red/editor-client/src/sass/tab-info.scss b/packages/node_modules/@node-red/editor-client/src/sass/tab-info.scss
index c28c0acfa..42d5462f7 100644
--- a/packages/node_modules/@node-red/editor-client/src/sass/tab-info.scss
+++ b/packages/node_modules/@node-red/editor-client/src/sass/tab-info.scss
@@ -326,7 +326,7 @@ div.red-ui-info-table {
         border-bottom: 1px solid $secondary-border-color;
     }
 }
-.red-ui-info-outline,.red-ui-sidebar-help-toc, #red-ui-clipboard-dialog-import-conflicts-list {
+.red-ui-info-outline,.red-ui-sidebar-help-toc, #red-ui-clipboard-dialog-import-conflicts-list, #red-ui-clipboard-dialog-export-tab-clipboard-preview {
     .red-ui-info-outline-item {
         display: inline-block;
         padding: 0;