From 96515d7338006a99b853c899708d7f6667bd43fd Mon Sep 17 00:00:00 2001
From: Julius Härtl <jus@bitgrid.net>
Date: Tue, 11 May 2021 10:10:10 +0200
Subject: Allow apps to register a file action for multiselect
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Signed-off-by: Julius Härtl <jus@bitgrid.net>
---
 apps/files/js/app.js      |  3 +++
 apps/files/js/filelist.js | 33 +++++++++++++++++++++++++++++----
 2 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/apps/files/js/app.js b/apps/files/js/app.js
index 8015f395b74..1a7049832ca 100644
--- a/apps/files/js/app.js
+++ b/apps/files/js/app.js
@@ -97,17 +97,20 @@
 							name: 'copyMove',
 							displayName:  t('files', 'Move or copy'),
 							iconClass: 'icon-external',
+							order: 10,
 						},
 						{
 							name: 'download',
 							displayName:  t('files', 'Download'),
 							iconClass: 'icon-download',
+							order: 10,
 						},
 						OCA.Files.FileList.MultiSelectMenuActions.ToggleSelectionModeAction,
 						{
 							name: 'delete',
 							displayName: t('files', 'Delete'),
 							iconClass: 'icon-delete',
+							order: 99,
 						},
 					],
 					sorting: {
diff --git a/apps/files/js/filelist.js b/apps/files/js/filelist.js
index 11d0bc4511d..b981785db40 100644
--- a/apps/files/js/filelist.js
+++ b/apps/files/js/filelist.js
@@ -330,9 +330,7 @@
 						this.multiSelectMenuItems[i] = this.multiSelectMenuItems[i](this);
 					}
 				}
-				this.fileMultiSelectMenu = new OCA.Files.FileMultiSelectMenu(this.multiSelectMenuItems);
-				this.fileMultiSelectMenu.render();
-				this.$el.find('.selectedActions').append(this.fileMultiSelectMenu.$el);
+				this._updateMultiSelectFileActions()
 			}
 
 			if (options.sorting) {
@@ -516,7 +514,7 @@
 		multiSelectMenuClick: function (ev, action) {
 				var actionFunction = _.find(this.multiSelectMenuItems, function (item) {return item.name === action;}).action;
 				if (actionFunction) {
-					actionFunction(ev);
+					actionFunction(this.getSelectedFiles());
 					return;
 				}
 				switch (action) {
@@ -1368,6 +1366,32 @@
 
 		},
 
+		/**
+		 * Register action for multiple selected files
+		 *
+		 * @param {OCA.Files.FileAction} fileAction object
+		 * The callback of FileAction will be called with an array of files that are currently selected
+		 */
+		registerMultiSelectFileAction: function(fileAction) {
+			if (typeof this.multiSelectMenuItems === 'undefined') {
+				return;
+			}
+			this.multiSelectMenuItems.push(fileAction)
+			this._updateMultiSelectFileActions()
+		},
+
+		_updateMultiSelectFileActions: function() {
+			if (typeof this.multiSelectMenuItems === 'undefined') {
+				return;
+			}
+			this.fileMultiSelectMenu = new OCA.Files.FileMultiSelectMenu(this.multiSelectMenuItems.sort(function(a, b) {
+				return a.order > b.order
+			}));
+			this.fileMultiSelectMenu.render();
+			this.$el.find('.selectedActions .filesSelectMenu').remove();
+			this.$el.find('.selectedActions').append(this.fileMultiSelectMenu.$el);
+		},
+
 		/**
 		 * Sets the files to be displayed in the list.
 		 * This operation will re-render the list and update the summary.
@@ -3785,6 +3809,7 @@
 					return t('files', 'Select file range');
 				},
 				iconClass: 'icon-fullscreen',
+				order: 15,
 				action: function() {
 					fileList._onClickToggleSelectionMode();
 				},
-- 
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