Add possibility to download messages in mbox format (#1486069)

Removed "download folder" option, the same can be done by selecting all messages in a folder
Code refactoring

1 files changed, 89 insertions, 27 deletions

diff --git a/plugins/zipdownload/zipdownload.js b/plugins/zipdownload/zipdownload.js
index 080dcd9e3..0e0249dd3 100644
--- a/plugins/zipdownload/zipdownload.js
+++ b/plugins/zipdownload/zipdownload.js
@@ -2,32 +2,94 @@
  * ZipDownload plugin script
  */
 
-function rcmail_zipmessages() {
-	if (rcmail.message_list && rcmail.message_list.get_selection().length > 1) {
-		rcmail.goto_url('plugin.zipdownload.zip_messages', '_mbox=' + urlencode(rcmail.env.mailbox) + '&_uid=' + rcmail.message_list.get_selection().join(','));
-	}
+window.rcmail && rcmail.addEventListener('init', function(evt) {
+    // register additional actions
+    rcmail.register_command('download-eml', function() { rcmail_zipdownload('eml'); });
+    rcmail.register_command('download-mbox', function() { rcmail_zipdownload('mbox'); });
+    rcmail.register_command('download-maildir', function() { rcmail_zipdownload('maildir'); });
+
+    // commands status
+    rcmail.message_list.addEventListener('select', function(list) {
+        var selected = list.get_selection().length;
+
+        rcmail.enable_command('download', selected > 0);
+        rcmail.enable_command('download-eml', selected == 1);
+        rcmail.enable_command('download-mbox', 'download-maildir', selected > 1);
+    });
+
+    // hook before default download action
+    rcmail.addEventListener('beforedownload', rcmail_zipdownload_menu);
+
+    // find and modify default download link/button
+    $.each(rcmail.buttons['download'] || [], function() {
+        var link = $('#' + this.id),
+            span = $('span', link);
+
+        if (!span.length) {
+            span = $('<span>');
+            link.html('').append(span);
+        }
+
+        span.addClass('folder-selector-link').text(rcmail.gettext('zipdownload.download'));
+
+        rcmail.env.download_link = link;
+    });
+
+    // hide menu on click out of menu element
+    var fn = function(e) {
+        var menu = $('#zipdownload-menu');
+        if (e.target != menu.get(0))
+            menu.hide();
+    };
+    $(document.body).on('mouseup', fn);
+    $('iframe').contents().on('mouseup', fn)
+        .load(function(e) { try { $(this).contents().on('mouseup', fn); } catch(e) {}; });
+});
+
+
+function rcmail_zipdownload(mode)
+{
+    // default .eml download of single message
+    if (mode == 'eml') {
+        var uid = rcmail.get_single_uid();
+        rcmail.goto_url('viewsource', {_uid: uid, _mbox: rcmail.get_message_mailbox(uid), _save: 1});
+        return;
+    }
+
+    // multi-message download, use hidden form to POST selection
+    if (rcmail.message_list && rcmail.message_list.get_selection().length > 1) {
+        var inputs = [], form = $('#zipdownload-form'),
+            post = rcmail.selection_post_data();
+
+        post._mode = mode;
+        post._token = rcmail.env.request_token;
+
+        $.each(post, function(k, v) {
+            inputs.push($('<input>').attr({type: 'hidden', name: k, value: v}));
+        });
+
+        if (!form.length)
+            form = $('<form>').attr({
+                    style: 'display: none',
+                    method: 'POST',
+                    action: '?_task=mail&_action=plugin.zipdownload.messages'
+                })
+                .appendTo('body');
+
+        form.html('').append(inputs).submit();
+    }
 }
 
-$(document).ready(function() {
-	if (window.rcmail) {
-		rcmail.addEventListener('init', function(evt) {
-			// register command (directly enable in message view mode)
-			rcmail.register_command('plugin.zipdownload.zip_folder', function() {
-				rcmail.goto_url('plugin.zipdownload.zip_folder', '_mbox=' + urlencode(rcmail.env.mailbox));
-			}, rcmail.env.messagecount > 0);
-
-			if (rcmail.message_list && rcmail.env.zipdownload_selection) {
-				rcmail.message_list.addEventListener('select', function(list) {
-					rcmail.enable_command('download', list.get_selection().length > 0);
-				});
-
-				// check in contextmenu plugin exists and if so allow multiple message download
-				if (rcmail.contextmenu_disable_multi)
-					rcmail.contextmenu_disable_multi.splice($.inArray('#download', rcmail.contextmenu_disable_multi), 1);
-			}
-		});
-
-		rcmail.addEventListener('listupdate', function(props) { rcmail.enable_command('plugin.zipdownload.zip_folder', rcmail.env.messagecount > 0); } );
-		rcmail.addEventListener('beforedownload', function(props) { rcmail_zipmessages(); } );
-	}
-});
\ No newline at end of file
+// display download options menu
+function rcmail_zipdownload_menu()
+{
+    // fix menu style and display menu
+    var z_index = rcmail.env.download_link.parents('.popupmenu').css('z-index'),
+        menu = $('#zipdownload-menu').css({'max-height': 'none', 'z-index': z_index + 1}).show();
+
+    // position menu on the screen
+    rcmail.element_position(menu, rcmail.env.download_link);
+
+    // abort default download action
+    return false;
+}