diff options
Diffstat (limited to 'program/js/app.js')
| -rw-r--r-- | program/js/app.js | 208 |
1 files changed, 204 insertions, 4 deletions
diff --git a/program/js/app.js b/program/js/app.js index f7fd7cea0..81c66ba3e 100644 --- a/program/js/app.js +++ b/program/js/app.js @@ -187,6 +187,8 @@ function rcube_webmail() if (this.env.permaurl) this.enable_command('permaurl', 'extwin', true); + this.local_storage_prefix = 'roundcube.' + (this.env.user_id || 'anonymous') + '.'; + switch (this.task) { case 'mail': @@ -578,9 +580,12 @@ function rcube_webmail() } // check input before leaving compose step - if (this.task == 'mail' && this.env.action == 'compose' && $.inArray(command, this.env.compose_commands)<0) { + if (this.task == 'mail' && this.env.action == 'compose' && $.inArray(command, this.env.compose_commands) < 0 && !this.env.server_error) { if (this.cmp_hash != this.compose_field_hash() && !confirm(this.get_label('notsentwarning'))) return false; + + // remove copy from local storage if compose screen is left intentionally + this.remove_compose_data(this.env.compose_id); } // process external commands @@ -615,10 +620,10 @@ function rcube_webmail() break; // commands to switch task + case 'logout': case 'mail': case 'addressbook': case 'settings': - case 'logout': this.switch_task(command); break; @@ -638,6 +643,7 @@ function rcube_webmail() var form = this.gui_objects.messageform, win = this.open_window(''); + this.save_compose_form_local(); $("input[name='_action']", form).val('compose'); form.action = this.url('mail/compose', { _id: this.env.compose_id, _extwin: 1 }); form.target = win.name; @@ -1292,8 +1298,10 @@ function rcube_webmail() return; var url = this.get_task_url(task); - if (task=='mail') + if (task == 'mail') url += '&_mbox=INBOX'; + else if (task == 'logout') + this.clear_compose_data(); this.redirect(url); }; @@ -3117,6 +3125,53 @@ function rcube_webmail() } } + // check for locally stored compose data + if (window.localStorage) { + var index = this.local_storage_get_item('compose.index', []); + + for (var key, i = 0; i < index.length; i++) { + key = index[i], formdata = this.local_storage_get_item('compose.' + key, null, true); + // restore saved copy of current compose_id + if (formdata && formdata.changed && key == this.env.compose_id) { + this.restore_compose_form(key, html_mode); + break; + } + // show dialog asking to restore the message + if (formdata && formdata.changed && formdata.session != this.env.session_id) { + this.show_popup_dialog( + this.get_label('restoresavedcomposedata') + .replace('$date', new Date(formdata.changed).toLocaleString()) + .replace('$subject', formdata._subject) + .replace(/\n/g, '<br/>'), + this.get_label('restoremessage'), + [{ + text: this.get_label('restore'), + click: function(){ + ref.restore_compose_form(key, html_mode); + ref.remove_compose_data(key); // remove old copy + ref.save_compose_form_local(); // save under current compose_id + $(this).dialog('close'); + } + }, + { + text: this.get_label('delete'), + click: function(){ + ref.remove_compose_data(key); + $(this).dialog('close'); + } + }, + { + text: this.get_label('cancel'), + click: function(){ + $(this).dialog('close'); + } + }] + ); + break; + } + } + } + if (input_to.val() == '') input_to.focus(); else if (input_subject.val() == '') @@ -3554,6 +3609,8 @@ function rcube_webmail() this.env.draft_id = id; $("input[name='_draft_saveid']").val(id); + + this.remove_compose_data(this.env.compose_id); }; this.auto_save_start = function() @@ -3561,6 +3618,11 @@ function rcube_webmail() if (this.env.draft_autosave) this.save_timer = setTimeout(function(){ ref.command("savedraft"); }, this.env.draft_autosave * 1000); + // save compose form content to local storage every 10 seconds + // TODO: track typing activity and only save on changes + if (!this.local_save_timer && window.localStorage) + this.local_save_timer = setInterval(function(){ ref.save_compose_form_local(); }, 10000); + // Unlock interface now that saving is complete this.busy = false; }; @@ -3589,6 +3651,109 @@ function rcube_webmail() return str; }; + // store the contents of the compose form to localstorage + this.save_compose_form_local = function() + { + var formdata = { session:this.env.session_id, changed:new Date().getTime() }, + ed, empty = true; + + // get fresh content from editor + if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody))) { + tinyMCE.triggerSave(); + } + + $('input, select, textarea', this.gui_objects.messageform).each(function(i, elem){ + switch (elem.tagName.toLowerCase()) { + case 'input': + if (elem.type == 'button' || elem.type == 'submit' || (elem.type == 'hidden' && elem.name != '_is_html')) { + break; + } + formdata[elem.name] = elem.type != 'checkbox' || elem.checked ? elem.value : ''; + + if (formdata[elem.name] != '' && elem.type != 'hidden') + empty = false; + break; + + case 'select': + formdata[elem.name] = $('option:checked', elem).val(); + break; + + default: + formdata[elem.name] = $(elem).val(); + } + }); + + if (window.localStorage && !empty) { + var index = this.local_storage_get_item('compose.index', []), + key = this.env.compose_id; + + if (index.indexOf(key) < 0) { + index.push(key); + } + this.local_storage_set_item('compose.' + key, formdata, true); + this.local_storage_set_item('compose.index', index); + } + }; + + // write stored compose data back to form + this.restore_compose_form = function(key, html_mode) + { + var ed, formdata = this.local_storage_get_item('compose.' + key, true); + + if (formdata && typeof formdata == 'object') { + $.each(formdata, function(k, value){ + if (k[0] == '_') { + var elem = $("*[name='"+k+"']"); + if (elem[0] && elem[0].type == 'checkbox') { + elem.prop('checked', value != ''); + } + else { + elem.val(value); + } + } + }); + + // initialize HTML editor + if (formdata._is_html == '1') { + if (!html_mode) { + tinyMCE.execCommand('mceAddControl', false, this.env.composebody); + this.triggerEvent('aftertoggle-editor', { mode:'html' }); + } + } + else if (html_mode) { + tinyMCE.execCommand('mceRemoveControl', false, this.env.composebody); + this.triggerEvent('aftertoggle-editor', { mode:'plain' }); + } + } + }; + + // remove stored compose data from localStorage + this.remove_compose_data = function(key) + { + if (window.localStorage) { + var index = this.local_storage_get_item('compose.index', []); + + if (index.indexOf(key) >= 0) { + this.local_storage_remove_item('compose.' + key); + this.local_storage_set_item('compose.index', $.grep(index, function(val,i){ return val != key; })); + } + } + }; + + // clear all stored compose data of this user + this.clear_compose_data = function() + { + if (window.localStorage) { + var index = this.local_storage_get_item('compose.index', []); + + for (var i=0; i < index.length; i++) { + this.local_storage_remove_item('compose.' + index[i]); + } + this.local_storage_remove_item('compose.index'); + } + } + + this.change_identity = function(obj, show_sig) { if (!obj || !obj.options) @@ -6709,6 +6874,20 @@ function rcube_webmail() setTimeout(function(){ ref.keep_alive(); ref.start_keepalive(); }, 30000); }; + // handler for session errors detected on the server + this.session_error = function(redirect_url) + { + this.env.server_error = 401; + + // save message in local storage and do not redirect + if (this.env.action == 'compose') { + this.save_compose_form_local(); + } + else if (redirect_url) { + window.setTimeout(function(){ ref.redirect(redirect_url, true); }, 2000); + } + }; + // callback when an iframe finished loading this.iframe_loaded = function(unlock) { @@ -7230,7 +7409,28 @@ function rcube_webmail() this.set_cookie = function(name, value, expires) { setCookie(name, value, expires, this.env.cookie_path, this.env.cookie_domain, this.env.cookie_secure); - } + }; + + // wrapper for localStorage.getItem(key) + this.local_storage_get_item = function(key, deflt, encrypted) + { + // TODO: add encryption + var item = localStorage.getItem(this.local_storage_prefix + key); + return item !== null ? JSON.parse(item) : (deflt || null); + }; + + // wrapper for localStorage.setItem(key, data) + this.local_storage_set_item = function(key, data, encrypted) + { + // TODO: add encryption + return localStorage.setItem(this.local_storage_prefix + key, JSON.stringify(data)); + }; + + // wrapper for localStorage.removeItem(key) + this.local_storage_remove_item = function(key) + { + return localStorage.removeItem(this.local_storage_prefix + key); + }; } // end object rcube_webmail |