Add drag&drop for email and link lists

etemplate/inc/class.etemplate_widget_link.inc.php

@@ -183,6 +183,7 @@ class etemplate_widget_link extends etemplate_widget
 				}
 				$link['title'] = egw_vfs::decodePath($link['title']);
 				$link['icon'] = egw_link::vfs_path($link['app2'],$link['id2'],$link['id'],true);
+				$link['download_url'] = egw_vfs::download_url($link['icon']);
 			}
 			else
 			{

etemplate/js/et2_widget_grid.js

@@ -916,8 +916,15 @@ var et2_grid = et2_DOMWidget.extend([et2_IDetachedDOM, et2_IAligned],
 			// Add a new action object to the object manager
 			var row = $j('tr', this.tbody)[i];
 			var aoi = new et2_action_object_impl(this, row);
+			var content = this.getArrayMgr('content').getEntry(i);
+			var obj = widget_object.addObject(content.id || "row_"+i, aoi);
+
+			// Set the data to the content so it's available for the action
+			if(content)
+			{
+				obj.data = content;
+			}
 
-			var obj = widget_object.addObject("row_"+i, aoi);
 			obj.updateActionLinks(action_links);
 		}
 	},

etemplate/js/et2_widget_link.js

@@ -1511,6 +1511,11 @@ var et2_link_list = et2_link_string.extend(
 			var row = jQuery('#link_'+(self.context.data.dom_id ? self.context.data.dom_id : self.context.data.link_id), self.list);
 			self._delete_link(link_id, row);
 		});
+
+		// Native DnD - Doesn't play nice with jQueryUI Sortable
+		// Tell jQuery to include this property
+		jQuery.event.props.push('dataTransfer');
+		
 	},
 
 	destroy: function() {
@@ -1569,6 +1574,7 @@ var et2_link_list = et2_link_string.extend(
 	_add_link: function(_link_data) {
 		var row = $j(document.createElement("tr"))
 			.attr("id", "link_"+(_link_data.dom_id ? _link_data.dom_id : _link_data.link_id))
+			.attr("draggable", _link_data.app == 'file' ? "true" : "")
 			.appendTo(this.list);
 
 		// Icon
@@ -1646,12 +1652,72 @@ var et2_link_list = et2_link_string.extend(
 			self.context.showAt(e.pageX, e.pageY, true);
 			e.preventDefault();
 		});
+
+
+		// Drag - adapted from egw_action_dragdrop, sidestepping action system
+		// so all linked files get it
+		// // Unfortunately, dragging files is currently only supported by Chrome
+		if(navigator && navigator.userAgent.indexOf('Chrome') >= 0)
+		{
+			row.on("dragstart", _link_data, function(event) {
+				if(event.dataTransfer == null) {
+					return;
+				}
+				var data = event.data || {};
+				if(data && data.type && data.download_url)
+				{
+					event.dataTransfer.dropEffect="copy";
+					event.dataTransfer.effectAllowed="copy";
+
+					var url = data.download_url;
+
+					// NEED an absolute URL
+					if (url[0] == '/') url = egw.link(url);
+					// egw.link adds the webserver, but that might not be an absolute URL - try again
+					if (url[0] == '/') url = window.location.origin+url;
+
+					// Unfortunately, dragging files is currently only supported by Chrome
+					if(navigator && navigator.userAgent.indexOf('Chrome'))
+					{
+						event.dataTransfer.setData("DownloadURL", data.type+':'+data.title+':'+url);
+					}
+
+					// Include URL as a fallback
+					event.dataTransfer.setData("text/uri-list", url);
+				}
+
+				if(event.dataTransfer.types.length == 0)
+				{
+					// No file data? Abort: drag does nothing
+					event.preventDefault();
+					return;
+				}
+				//event.dataTransfer.setDragImage(event.delegate.target,0,0);
+				var div = $j(document.createElement("div"))
+					.attr('id', 'drag_helper')
+					.css({
+						position: 'absolute',
+						top: '0px',
+						left: '0px',
+						width: '300px'
+					});
+				div.append(event.target.cloneNode(true));
+
+				self.list.append(div);
+
+				event.dataTransfer.setDragImage(div.get(0),0,0)
+			})
+			.on('drag', function() {
+				$j('#drag_helper',self.list).remove();
+			});
+		}
 	},
 	_delete_link: function(link_id, row) {
 		if(row)
 		{
 			var delete_button = jQuery('.delete',row);
 			delete_button.removeClass("delete").addClass("loading");
+			row.off();
 		}
 		if(typeof link_id != "object")
 		{

etemplate/templates/default/etemplate2.css

@@ -664,6 +664,12 @@ ul.et2_link_string {
 }
 .et2_link_list {
   border-collapse: collapse;
+  -webkit-touch-callout: none;
+  -webkit-user-select: none;
+  -khtml-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
 }
 .et2_link_list tr {
   cursor: pointer;

mail/inc/class.mail_ui.inc.php

@@ -2057,6 +2057,7 @@ class mail_ui
 				'onExecute' => 'javaScript:app.mail.drag_attachment'
 			)
 		));
+//_debug_array($content);
 		$readonlys = $preserv = $content;
 		$etpl->exec('mail.mail_ui.displayMessage',$content,$sel_options,$readonlys,$preserv,2);
 	}
@@ -2107,7 +2108,7 @@ class mail_ui
 				$attachmentHTML[$key]['partID']=$value['partID'];
 				$attachmentHTML[$key]['winmailFlag']=$value['is_winmail'];
 				$attachmentHTML[$key]['classSaveAllPossiblyDisabled'] = "mail_DisplayNone";
-
+				
 				switch(strtoupper($value['mimeType']))
 				{
 					case 'MESSAGE/RFC822':

mail/js/app.js

@@ -180,6 +180,12 @@ app.classes.mail = AppJS.extend(
 					}
 				}
 				window.resizeTo((w_h[0]?w_h[0]:870),(w_h[1]?w_h[1]:(screen.availHeight>egw_getWindowOuterHeight()?screen.availHeight:egw_getWindowOuterHeight())));
+
+				// Register attachments for drag
+				this.register_for_drag(
+					this.et2.getArrayMgr("content").getEntry('mail_id'),
+					this.et2.getArrayMgr("content").getEntry('mail_displayattachments')
+				);
 				break;
 			case 'mail.compose':
 				var that = this;
@@ -987,6 +993,67 @@ app.classes.mail = AppJS.extend(
 	{
 		egw.jsonq('mail_ui::ajax_refreshVacationNotice',[_server]);
 	},
+	/**
+	 * Make sure attachments have all needed data, so they can be found for
+	 * HTML5 native dragging
+	 *
+	 * @param {string} mail_id Mail UID
+	 * @param {array} attachments Attachment information.
+	 */
+	register_for_drag: function(mail_id, attachments)
+	{
+		// Put required info in global store
+		var data = {};
+		for (var i = 0; i < attachments.length; i++)
+		{
+			var data = attachments[i] || {};
+			if(!data.filename || !data.type) continue;
+
+			// Add required info
+			data.mime = data.type;
+			data.download_url = egw.link('/index.php', {
+				menuaction: 'mail.mail_ui.getAttachment',
+				id: mail_id,
+				part: data.partID,
+				is_winmail: data.winmailFlag
+			});
+			data.name = data.filename;
+		}
+	},
+
+	/**
+	 * Display helper for dragging attachments
+	 *
+	 * @param {egwAction} _action
+	 * @param {egwActionElement[]} _elems
+	 * @returns {DOMNode}
+	 */
+	drag_attachment: function(_action, _elems)
+	{
+		var div = $j(document.createElement("div"))
+			.css({
+				position: 'absolute',
+				top: '0px',
+				left: '0px',
+				width: '300px'
+			});
+
+		var data = _elems[0].data || {};
+		
+		var text = $j(document.createElement('div')).css({left: '30px', position: 'absolute'});
+		// add filename or number of files for multiple files
+		text.text(_elems.length > 1 ? _elems.length+' '+this.egw.lang('files') : data.name || '');
+		div.append(text);
+
+		// Add notice of Ctrl key, if supported
+		if(window.FileReader && 'draggable' in document.createElement('span') &&
+			navigator && navigator.userAgent.indexOf('Chrome') >= 0)
+		{
+			var key = ["Mac68K","MacPPC","MacIntel"].indexOf(window.navigator.platform) < 0 ? 'Ctrl' : 'Command';
+			text.append('<br />' + this.egw.lang('Hold %1 to drag files to your computer',key));
+		}
+		return div;
+	},
 
 	/**
 	 * mail_refreshVacationNotice, function to call with appropriate data to refresh the vacationnotice for the active server

phpgwapi/js/egw_action/egw_action_dragdrop.js

@@ -157,10 +157,10 @@ function egwDragActionImplementation()
 					// Set file data
 					for(var i = 0; i < selected.length; i++)
 					{
-						var data = egw.dataGetUIDdata(selected[i].id);
-						if(data && data.data.mime && data.data.download_url)
+						var data = selected[i].data || egw.dataGetUIDdata(selected[i].id).data || {};
+						if(data && data.mime && data.download_url)
 						{
-							var url = data.data.download_url;
+							var url = data.download_url;
 
 							// NEED an absolute URL
 							if (url[0] == '/') url = egw.link(url);
@@ -170,7 +170,7 @@ function egwDragActionImplementation()
 							// Unfortunately, dragging files is currently only supported by Chrome
 							if(navigator && navigator.userAgent.indexOf('Chrome'))
 							{
-								event.dataTransfer.setData("DownloadURL", data.data.mime+':'+data.data.name+':'+url);
+								event.dataTransfer.setData("DownloadURL", data.mime+':'+data.name+':'+url);
 							}
 							else
 							{