Add copy message functionality to drag&drop (drag + shift) [#42]

+ Update jquery to 1.10.2

Gruntfile.js

@@ -113,7 +113,7 @@ module.exports = function (grunt) {
 				src: [
 					"vendors/modernizr.js",
 					"vendors/underscore/underscore-1.5.2.min.js",
-					"vendors/jquery-1.10.1.min.js",
+					"vendors/jquery-1.10.2.min.js",
 					"vendors/jquery-ui/js/jquery-ui-1.10.3.custom.min.js",
 					"vendors/jquery-cookie/jquery.cookie-1.4.0.min.js",
 					"vendors/jquery-mousewheel/jquery.mousewheel-3.1.4.min.js",

dev/Common/Enums.js

@@ -289,6 +289,7 @@ Enums.Notification = {
 	'CantGetMessage': 202,
 	'CantDeleteMessage': 203,
 	'CantMoveMessage': 204,
+	'CantCopyMessage': 205,
 
 	'CantSaveMessage': 301,
 	'CantSendMessage': 302,

dev/Common/Knockout.js

@@ -270,7 +270,7 @@ ko.bindingHandlers.draggable = {
 			}
 
 			oConf['helper'] = function (oEvent) {
-				return fValueAccessor()(oEvent && oEvent.target ? ko.dataFor(oEvent.target) : null);
+				return fValueAccessor()(oEvent && oEvent.target ? ko.dataFor(oEvent.target) : null, !!oEvent.shiftKey);
 			};
 
 			$(oElement).draggable(oConf).on('mousedown', function () {

dev/Common/Utils.js

@@ -525,6 +525,7 @@ Utils.initNotificationLanguage = function ()
 	NotificationI18N[Enums.Notification.CantGetMessage] = Utils.i18n('NOTIFICATIONS/CANT_GET_MESSAGE');
 	NotificationI18N[Enums.Notification.CantDeleteMessage] = Utils.i18n('NOTIFICATIONS/CANT_DELETE_MESSAGE');
 	NotificationI18N[Enums.Notification.CantMoveMessage] = Utils.i18n('NOTIFICATIONS/CANT_MOVE_MESSAGE');
+	NotificationI18N[Enums.Notification.CantCopyMessage] = Utils.i18n('NOTIFICATIONS/CANT_MOVE_MESSAGE');
 
 	NotificationI18N[Enums.Notification.CantSaveMessage] = Utils.i18n('NOTIFICATIONS/CANT_SAVE_MESSAGE');
 	NotificationI18N[Enums.Notification.CantSendMessage] = Utils.i18n('NOTIFICATIONS/CANT_SEND_MESSAGE');

dev/Storages/WebMailAjaxRemote.js

@@ -507,6 +507,21 @@ WebMailAjaxRemoteStorage.prototype.messagesMove = function (fCallback, sFolder,
 	}, null, '', ['MessageList', 'Message']);
 };
 
+/**
+ * @param {?Function} fCallback
+ * @param {string} sFolder
+ * @param {string} sToFolder
+ * @param {Array} aUids
+ */
+WebMailAjaxRemoteStorage.prototype.messagesCopy = function (fCallback, sFolder, sToFolder, aUids)
+{
+	this.defaultRequest(fCallback, 'MessageCopy', {
+		'FromFolder': sFolder,
+		'ToFolder': sToFolder,
+		'Uids': aUids.join(',')
+	});
+};
+
 /**
  * @param {?Function} fCallback
  * @param {string} sFolder

dev/ViewModels/MailBoxFolderListViewModel.js

@@ -88,13 +88,14 @@ MailBoxFolderListViewModel.prototype.messagesDrop = function (oToFolder, oUi)
 	{
 		var
 			sFromFolderFullNameRaw = oUi.helper.data('rl-folder'),
+			bCopy = '1' === oUi.helper.data('rl-copy'),
 			aUids = oUi.helper.data('rl-uids')
 		;
 
 		if (MailBoxMessageListViewModel && MailBoxMessageListViewModel.__vm && Utils.isNormal(sFromFolderFullNameRaw) && Utils.isArray(aUids))
 		{
 			MailBoxMessageListViewModel.__vm.moveMessagesToFolder(
-				sFromFolderFullNameRaw, aUids, oToFolder.fullNameRaw);
+				sFromFolderFullNameRaw, aUids, oToFolder.fullNameRaw, bCopy);
 		}
 	}
 };

dev/ViewModels/MailBoxMessageListViewModel.js

@@ -202,12 +202,12 @@ MailBoxMessageListViewModel.prototype.cancelSearch = function ()
  * @param {string} sFromFolderFullNameRaw
  * @param {Array} aUidForRemove
  * @param {string=} sToFolderFullNameRaw
- * @param {boolean=} bVisialEffectOnly = false
+ * @param {boolean=} bCopy = false
  */
-MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw, bVisialEffectOnly)
+MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw, bCopy)
 {
 	sToFolderFullNameRaw = Utils.isNormal(sToFolderFullNameRaw) ? sToFolderFullNameRaw : '';
-	bVisialEffectOnly = Utils.isUnd(bVisialEffectOnly) ? false : !!bVisialEffectOnly;
+	bCopy = Utils.isUnd(bCopy) ? false : !!bCopy;
 
 	var
 		iUnseenCount = 0 ,
@@ -221,17 +221,14 @@ MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFo
 		}) : []
 	;
 
-	if (!bVisialEffectOnly)
-	{
 	_.each(aMessages, function (oMessage) {
 		if (oMessage && oMessage.unseen())
 		{
 			iUnseenCount++;
 		}
 	});
-	}
 
-	if (oFromFolder && !bVisialEffectOnly)
+	if (oFromFolder && !bCopy)
 	{
 		oFromFolder.messageCountAll(0 <= oFromFolder.messageCountAll() - aUidForRemove.length ?
 			oFromFolder.messageCountAll() - aUidForRemove.length : 0);
@@ -243,7 +240,7 @@ MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFo
 		}
 	}
 
-	if (oToFolder && !bVisialEffectOnly)
+	if (oToFolder)
 	{
 		oToFolder.messageCountAll(oToFolder.messageCountAll() + aUidForRemove.length);
 		if (0 < iUnseenCount)
@@ -253,6 +250,14 @@ MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFo
 	}
 
 	if (0 < aMessages.length)
+	{
+		if (bCopy)
+		{
+			_.each(aMessages, function (oMessage) {
+				oMessage.checked(false);
+			});
+		}
+		else
 		{
 			_.each(aMessages, function (oMessage) {
 				if (oCurrentMessage && oCurrentMessage.requestHash === oMessage.requestHash)
@@ -270,17 +275,15 @@ MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFo
 				});
 			}, 400);
 
-		if (!bVisialEffectOnly)
-		{
 			RL.data().messageListIsNotCompleted(true);
 			RL.cache().setFolderHash(sFromFolderFullNameRaw, '');
+		}
 
 		if (Utils.isNormal(sToFolderFullNameRaw))
 		{
 			RL.cache().setFolderHash(sToFolderFullNameRaw || '', '');
 		}
 	}
-	}
 };
 
 /**
@@ -303,9 +306,10 @@ MailBoxMessageListViewModel.prototype.moveOrDeleteResponse = function (sResult,
 		}
 		else
 		{
-			if (oData && Enums.Notification.CantMoveMessage === oData.ErrorCode)
+			if (oData && -1 < Utils.inArray(oData.ErrorCode,
+				[Enums.Notification.CantMoveMessage, Enums.Notification.CantCopyMessage]))
 			{
-				window.alert(Utils.getNotification(Enums.Notification.CantMoveMessage));
+				window.alert(Utils.getNotification(oData.ErrorCode));
 			}
 
 			RL.cache().setFolderHash(RL.data().currentFolderFullNameRaw(), '');
@@ -321,8 +325,9 @@ MailBoxMessageListViewModel.prototype.moveOrDeleteResponse = function (sResult,
  * @param {string} sFromFolderFullNameRaw
  * @param {Array} aUidForRemove
  * @param {string} sToFolderFullNameRaw
+ * @param {boolean=} bCopy = false
  */
-MailBoxMessageListViewModel.prototype.moveMessagesToFolder = function (sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw)
+MailBoxMessageListViewModel.prototype.moveMessagesToFolder = function (sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw, bCopy)
 {
 	if (sFromFolderFullNameRaw !== sToFolderFullNameRaw && Utils.isArray(aUidForRemove) && 0 < aUidForRemove.length)
 	{
@@ -333,7 +338,9 @@ MailBoxMessageListViewModel.prototype.moveMessagesToFolder = function (sFromFold
 		
 		if (oFromFolder && oToFolder)
 		{
-			RL.remote().messagesMove(
+			bCopy = Utils.isUnd(bCopy) ? false : !!bCopy;
+
+			RL.remote()[bCopy ? 'messagesCopy' : 'messagesMove'](
 				_.bind(this.moveOrDeleteResponse, this),
 				oFromFolder.fullNameRaw,
 				oToFolder.fullNameRaw,
@@ -342,7 +349,7 @@ MailBoxMessageListViewModel.prototype.moveMessagesToFolder = function (sFromFold
 
 			oToFolder.actionBlink(true);
 
-			this.removeMessagesFromList(sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw);
+			this.removeMessagesFromList(sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw, bCopy);
 			return true;
 		}
 	}
@@ -408,7 +415,7 @@ MailBoxMessageListViewModel.prototype.deleteSelectedMessageFromCurrentFolder = f
 	}
 };
 
-MailBoxMessageListViewModel.prototype.dragAndDronHelper = function (oMessageListItem)
+MailBoxMessageListViewModel.prototype.dragAndDronHelper = function (oMessageListItem, bCopy)
 {
 	if (oMessageListItem)
 	{
@@ -418,7 +425,8 @@ MailBoxMessageListViewModel.prototype.dragAndDronHelper = function (oMessageList
 	var oEl = Utils.draggeblePlace();
 	oEl.data('rl-folder', RL.data().currentFolderFullNameRaw());
 	oEl.data('rl-uids', RL.data().messageListCheckedOrSelectedUidsWithSubMails());
-	oEl.find('.text').text(RL.data().messageListCheckedOrSelectedUidsWithSubMails().length);
+	oEl.data('rl-copy', bCopy ? '1' : '0');
+	oEl.find('.text').text((bCopy ? '+' : '') + '' + RL.data().messageListCheckedOrSelectedUidsWithSubMails().length);
 
 	return oEl;
 };

rainloop/v/0.0.0/app/libraries/MailSo/Mail/MailClient.php

@@ -561,6 +561,32 @@ class MailClient
 		return $this;
 	}
 
+	/**
+	 * @param string $sFromFolder
+	 * @param string $sToFolder
+	 * @param array $aIndexRange
+	 * @param bool $bIndexIsUid
+	 *
+	 * @return \MailSo\Mail\MailClient
+	 *
+	 * @throws \MailSo\Base\Exceptions\InvalidArgumentException
+	 * @throws \MailSo\Net\Exceptions\Exception
+	 * @throws \MailSo\Imap\Exceptions\Exception
+	 */
+	public function MessageCopy($sFromFolder, $sToFolder, $aIndexRange, $bIndexIsUid)
+	{
+		if (0 === \strlen($sFromFolder) || 0 === \strlen($sToFolder) ||
+			!\is_array($aIndexRange) || 0 === \count($aIndexRange))
+		{
+			throw new \MailSo\Base\Exceptions\InvalidArgumentException();
+		}
+
+		$this->oImapClient->FolderSelect($sFromFolder);
+		$this->oImapClient->MessageCopy($sToFolder, \implode(',', $aIndexRange), $bIndexIsUid);
+
+		return $this;
+	}
+
 	/**
 	 * @param resource $rMessageStream
 	 * @param int $iMessageStreamSize

rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php

@@ -4316,6 +4316,40 @@ class Actions
 			'' === $sHash ? false : array($sFromFolder, $sHash));
 	}
 
+	/**
+	 * @return array
+	 *
+	 * @throws \MailSo\Base\Exceptions\Exception
+	 */
+	public function DoMessageCopy()
+	{
+		$this->initMailClientConnection();
+
+		$sFromFolder = $this->GetActionParam('FromFolder', '');
+		$sToFolder = $this->GetActionParam('ToFolder', '');
+		$aUids = explode(',', (string) $this->GetActionParam('Uids', ''));
+
+		$aFilteredUids = array_filter($aUids, function (&$mUid) {
+			$mUid = (int) trim($mUid);
+			return 0 < $mUid;
+		});
+
+		try
+		{
+			$this->MailClient()->MessageCopy($sFromFolder, $sToFolder,
+				$aFilteredUids, true);
+
+			$sHash = $this->MailClient()->FolderHash($sFromFolder);
+		}
+		catch (\Exception $oException)
+		{
+			throw new \RainLoop\Exceptions\ClientException(\RainLoop\Notifications::CantCopyMessage, $oException);
+		}
+
+		return $this->DefaultResponse(__FUNCTION__,
+			'' === $sHash ? false : array($sFromFolder, $sHash));
+	}
+
 	/**
 	 * @param string $sFileName
 	 * @param string $sContentType

rainloop/v/0.0.0/app/libraries/RainLoop/Notifications.php

@@ -19,6 +19,7 @@ class Notifications
 	const CantGetMessage = 202;
 	const CantDeleteMessage = 203;
 	const CantMoveMessage = 204;
+	const CantCopyMessage = 205;
 
 	const CantSaveMessage = 301;
 	const CantSendMessage = 302;

rainloop/v/0.0.0/static/js/admin.js

@@ -551,6 +551,7 @@ Enums.Notification = {
 	'CantGetMessage': 202,
 	'CantDeleteMessage': 203,
 	'CantMoveMessage': 204,
+	'CantCopyMessage': 205,
 
 	'CantSaveMessage': 301,
 	'CantSendMessage': 302,
@@ -1111,6 +1112,7 @@ Utils.initNotificationLanguage = function ()
 	NotificationI18N[Enums.Notification.CantGetMessage] = Utils.i18n('NOTIFICATIONS/CANT_GET_MESSAGE');
 	NotificationI18N[Enums.Notification.CantDeleteMessage] = Utils.i18n('NOTIFICATIONS/CANT_DELETE_MESSAGE');
 	NotificationI18N[Enums.Notification.CantMoveMessage] = Utils.i18n('NOTIFICATIONS/CANT_MOVE_MESSAGE');
+	NotificationI18N[Enums.Notification.CantCopyMessage] = Utils.i18n('NOTIFICATIONS/CANT_MOVE_MESSAGE');
 
 	NotificationI18N[Enums.Notification.CantSaveMessage] = Utils.i18n('NOTIFICATIONS/CANT_SAVE_MESSAGE');
 	NotificationI18N[Enums.Notification.CantSendMessage] = Utils.i18n('NOTIFICATIONS/CANT_SEND_MESSAGE');
@@ -2476,7 +2478,7 @@ ko.bindingHandlers.draggable = {
 			}
 
 			oConf['helper'] = function (oEvent) {
-				return fValueAccessor()(oEvent && oEvent.target ? ko.dataFor(oEvent.target) : null);
+				return fValueAccessor()(oEvent && oEvent.target ? ko.dataFor(oEvent.target) : null, !!oEvent.shiftKey);
 			};
 
 			$(oElement).draggable(oConf).on('mousedown', function () {

rainloop/v/0.0.0/static/js/app.js

@@ -551,6 +551,7 @@ Enums.Notification = {
 	'CantGetMessage': 202,
 	'CantDeleteMessage': 203,
 	'CantMoveMessage': 204,
+	'CantCopyMessage': 205,
 
 	'CantSaveMessage': 301,
 	'CantSendMessage': 302,
@@ -1111,6 +1112,7 @@ Utils.initNotificationLanguage = function ()
 	NotificationI18N[Enums.Notification.CantGetMessage] = Utils.i18n('NOTIFICATIONS/CANT_GET_MESSAGE');
 	NotificationI18N[Enums.Notification.CantDeleteMessage] = Utils.i18n('NOTIFICATIONS/CANT_DELETE_MESSAGE');
 	NotificationI18N[Enums.Notification.CantMoveMessage] = Utils.i18n('NOTIFICATIONS/CANT_MOVE_MESSAGE');
+	NotificationI18N[Enums.Notification.CantCopyMessage] = Utils.i18n('NOTIFICATIONS/CANT_MOVE_MESSAGE');
 
 	NotificationI18N[Enums.Notification.CantSaveMessage] = Utils.i18n('NOTIFICATIONS/CANT_SAVE_MESSAGE');
 	NotificationI18N[Enums.Notification.CantSendMessage] = Utils.i18n('NOTIFICATIONS/CANT_SEND_MESSAGE');
@@ -2476,7 +2478,7 @@ ko.bindingHandlers.draggable = {
 			}
 
 			oConf['helper'] = function (oEvent) {
-				return fValueAccessor()(oEvent && oEvent.target ? ko.dataFor(oEvent.target) : null);
+				return fValueAccessor()(oEvent && oEvent.target ? ko.dataFor(oEvent.target) : null, !!oEvent.shiftKey);
 			};
 
 			$(oElement).draggable(oConf).on('mousedown', function () {
@@ -10493,13 +10495,14 @@ MailBoxFolderListViewModel.prototype.messagesDrop = function (oToFolder, oUi)
 	{
 		var
 			sFromFolderFullNameRaw = oUi.helper.data('rl-folder'),
+			bCopy = '1' === oUi.helper.data('rl-copy'),
 			aUids = oUi.helper.data('rl-uids')
 		;
 
 		if (MailBoxMessageListViewModel && MailBoxMessageListViewModel.__vm && Utils.isNormal(sFromFolderFullNameRaw) && Utils.isArray(aUids))
 		{
 			MailBoxMessageListViewModel.__vm.moveMessagesToFolder(
-				sFromFolderFullNameRaw, aUids, oToFolder.fullNameRaw);
+				sFromFolderFullNameRaw, aUids, oToFolder.fullNameRaw, bCopy);
 		}
 	}
 };
@@ -10719,12 +10722,12 @@ MailBoxMessageListViewModel.prototype.cancelSearch = function ()
  * @param {string} sFromFolderFullNameRaw
  * @param {Array} aUidForRemove
  * @param {string=} sToFolderFullNameRaw
- * @param {boolean=} bVisialEffectOnly = false
+ * @param {boolean=} bCopy = false
  */
-MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw, bVisialEffectOnly)
+MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw, bCopy)
 {
 	sToFolderFullNameRaw = Utils.isNormal(sToFolderFullNameRaw) ? sToFolderFullNameRaw : '';
-	bVisialEffectOnly = Utils.isUnd(bVisialEffectOnly) ? false : !!bVisialEffectOnly;
+	bCopy = Utils.isUnd(bCopy) ? false : !!bCopy;
 
 	var
 		iUnseenCount = 0 ,
@@ -10738,17 +10741,14 @@ MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFo
 		}) : []
 	;
 
-	if (!bVisialEffectOnly)
-	{
 	_.each(aMessages, function (oMessage) {
 		if (oMessage && oMessage.unseen())
 		{
 			iUnseenCount++;
 		}
 	});
-	}
 
-	if (oFromFolder && !bVisialEffectOnly)
+	if (oFromFolder && !bCopy)
 	{
 		oFromFolder.messageCountAll(0 <= oFromFolder.messageCountAll() - aUidForRemove.length ?
 			oFromFolder.messageCountAll() - aUidForRemove.length : 0);
@@ -10760,7 +10760,7 @@ MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFo
 		}
 	}
 
-	if (oToFolder && !bVisialEffectOnly)
+	if (oToFolder)
 	{
 		oToFolder.messageCountAll(oToFolder.messageCountAll() + aUidForRemove.length);
 		if (0 < iUnseenCount)
@@ -10770,6 +10770,14 @@ MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFo
 	}
 
 	if (0 < aMessages.length)
+	{
+		if (bCopy)
+		{
+			_.each(aMessages, function (oMessage) {
+				oMessage.checked(false);
+			});
+		}
+		else
 		{
 			_.each(aMessages, function (oMessage) {
 				if (oCurrentMessage && oCurrentMessage.requestHash === oMessage.requestHash)
@@ -10787,17 +10795,15 @@ MailBoxMessageListViewModel.prototype.removeMessagesFromList = function (sFromFo
 				});
 			}, 400);
 
-		if (!bVisialEffectOnly)
-		{
 			RL.data().messageListIsNotCompleted(true);
 			RL.cache().setFolderHash(sFromFolderFullNameRaw, '');
+		}
 
 		if (Utils.isNormal(sToFolderFullNameRaw))
 		{
 			RL.cache().setFolderHash(sToFolderFullNameRaw || '', '');
 		}
 	}
-	}
 };
 
 /**
@@ -10820,9 +10826,10 @@ MailBoxMessageListViewModel.prototype.moveOrDeleteResponse = function (sResult,
 		}
 		else
 		{
-			if (oData && Enums.Notification.CantMoveMessage === oData.ErrorCode)
+			if (oData && -1 < Utils.inArray(oData.ErrorCode,
+				[Enums.Notification.CantMoveMessage, Enums.Notification.CantCopyMessage]))
 			{
-				window.alert(Utils.getNotification(Enums.Notification.CantMoveMessage));
+				window.alert(Utils.getNotification(oData.ErrorCode));
 			}
 
 			RL.cache().setFolderHash(RL.data().currentFolderFullNameRaw(), '');
@@ -10838,8 +10845,9 @@ MailBoxMessageListViewModel.prototype.moveOrDeleteResponse = function (sResult,
  * @param {string} sFromFolderFullNameRaw
  * @param {Array} aUidForRemove
  * @param {string} sToFolderFullNameRaw
+ * @param {boolean=} bCopy = false
  */
-MailBoxMessageListViewModel.prototype.moveMessagesToFolder = function (sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw)
+MailBoxMessageListViewModel.prototype.moveMessagesToFolder = function (sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw, bCopy)
 {
 	if (sFromFolderFullNameRaw !== sToFolderFullNameRaw && Utils.isArray(aUidForRemove) && 0 < aUidForRemove.length)
 	{
@@ -10850,7 +10858,9 @@ MailBoxMessageListViewModel.prototype.moveMessagesToFolder = function (sFromFold
 		
 		if (oFromFolder && oToFolder)
 		{
-			RL.remote().messagesMove(
+			bCopy = Utils.isUnd(bCopy) ? false : !!bCopy;
+
+			RL.remote()[bCopy ? 'messagesCopy' : 'messagesMove'](
 				_.bind(this.moveOrDeleteResponse, this),
 				oFromFolder.fullNameRaw,
 				oToFolder.fullNameRaw,
@@ -10859,7 +10869,7 @@ MailBoxMessageListViewModel.prototype.moveMessagesToFolder = function (sFromFold
 
 			oToFolder.actionBlink(true);
 
-			this.removeMessagesFromList(sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw);
+			this.removeMessagesFromList(sFromFolderFullNameRaw, aUidForRemove, sToFolderFullNameRaw, bCopy);
 			return true;
 		}
 	}
@@ -10925,7 +10935,7 @@ MailBoxMessageListViewModel.prototype.deleteSelectedMessageFromCurrentFolder = f
 	}
 };
 
-MailBoxMessageListViewModel.prototype.dragAndDronHelper = function (oMessageListItem)
+MailBoxMessageListViewModel.prototype.dragAndDronHelper = function (oMessageListItem, bCopy)
 {
 	if (oMessageListItem)
 	{
@@ -10935,7 +10945,8 @@ MailBoxMessageListViewModel.prototype.dragAndDronHelper = function (oMessageList
 	var oEl = Utils.draggeblePlace();
 	oEl.data('rl-folder', RL.data().currentFolderFullNameRaw());
 	oEl.data('rl-uids', RL.data().messageListCheckedOrSelectedUidsWithSubMails());
-	oEl.find('.text').text(RL.data().messageListCheckedOrSelectedUidsWithSubMails().length);
+	oEl.data('rl-copy', bCopy ? '1' : '0');
+	oEl.find('.text').text((bCopy ? '+' : '') + '' + RL.data().messageListCheckedOrSelectedUidsWithSubMails().length);
 
 	return oEl;
 };
@@ -14381,6 +14392,21 @@ WebMailAjaxRemoteStorage.prototype.messagesMove = function (fCallback, sFolder,
 	}, null, '', ['MessageList', 'Message']);
 };
 
+/**
+ * @param {?Function} fCallback
+ * @param {string} sFolder
+ * @param {string} sToFolder
+ * @param {Array} aUids
+ */
+WebMailAjaxRemoteStorage.prototype.messagesCopy = function (fCallback, sFolder, sToFolder, aUids)
+{
+	this.defaultRequest(fCallback, 'MessageCopy', {
+		'FromFolder': sFolder,
+		'ToFolder': sToFolder,
+		'Uids': aUids.join(',')
+	});
+};
+
 /**
  * @param {?Function} fCallback
  * @param {string} sFolder