From 85c0e42047417c30b10d967207da8b3c3098bdc9 Mon Sep 17 00:00:00 2001
From: Denys Vuika <denys.vuika@gmail.com>
Date: Mon, 9 Jul 2018 07:25:49 +0100
Subject: [PATCH] extensions: support multiselection for content actions

---
 src/app.config.json                           |  5 ++-
 .../extensions/content-action.extension.ts    |  1 +
 src/app/extensions/extension.service.ts       | 44 ++++++++++++++++---
 3 files changed, 43 insertions(+), 7 deletions(-)

diff --git a/src/app.config.json b/src/app.config.json
index a63abcfcc..77853272d 100644
--- a/src/app.config.json
+++ b/src/app.config.json
@@ -212,9 +212,10 @@
                             "title": "APP.ACTIONS.DOWNLOAD",
                             "icon": "get_app",
                             "target": {
-                                "types": ["folder", "file"],
+                                "types": ["file", "folder"],
                                 "permissions": [],
-                                "action": "aca:actions/download"
+                                "action": "aca:actions/download",
+                                "multiple": true
                             }
                         },
                         {
diff --git a/src/app/extensions/content-action.extension.ts b/src/app/extensions/content-action.extension.ts
index 2209dd4ac..5126b09f2 100644
--- a/src/app/extensions/content-action.extension.ts
+++ b/src/app/extensions/content-action.extension.ts
@@ -33,5 +33,6 @@ export interface ContentActionExtension {
         types: Array<string>;
         permissions: Array<string>,
         action: string;
+        multiple?: boolean;
     };
 }
diff --git a/src/app/extensions/extension.service.ts b/src/app/extensions/extension.service.ts
index 3463a646a..7aa9afce2 100644
--- a/src/app/extensions/extension.service.ts
+++ b/src/app/extensions/extension.service.ts
@@ -237,12 +237,46 @@ export class ExtensionService {
             return true;
         }
 
-        if (selection && selection.folder && types.includes('folder')) {
-            return true;
-        }
+        if (selection && !selection.isEmpty) {
 
-        if (selection && selection.file && types.includes('file')) {
-            return true;
+            if (selection.nodes.length === 1) {
+                if (selection.folder && types.includes('folder')) {
+                    return true;
+                }
+                if (selection.file && types.includes('file')) {
+                    return true;
+                }
+                return false;
+            } else {
+                if (types.length === 1) {
+                    if (types.includes('folder')) {
+                        if (action.target.multiple) {
+                            return selection.nodes.every(node => node.entry.isFolder);
+                        }
+                        return false;
+                    }
+                    if (types.includes('file')) {
+                        if (action.target.multiple) {
+                            return selection.nodes.every(node => node.entry.isFile);
+                        }
+                        return false;
+                    }
+                } else {
+                    return types.some(type => {
+                        if (type === 'folder') {
+                            return action.target.multiple
+                                ? selection.nodes.some(node => node.entry.isFolder)
+                                : selection.nodes.every(node => node.entry.isFolder);
+                        }
+                        if (type === 'file') {
+                            return action.target.multiple
+                                ? selection.nodes.some(node => node.entry.isFile)
+                                : selection.nodes.every(node => node.entry.isFile);
+                        }
+                        return false;
+                    });
+                }
+            }
         }
 
         return false;