xmpp.chapril.org-conversejs/src/converse-rosterview.js

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// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2012-2016, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//
/*global Backbone, define */
(function (root, factory) {
define("converse-rosterview", [
"converse-core",
"converse-api",
"tpl!group_header",
"tpl!pending_contact",
"tpl!requesting_contact",
"tpl!roster",
"tpl!roster_item"
], factory);
}(this, function (
converse,
converse_api,
tpl_group_header,
tpl_pending_contact,
tpl_requesting_contact,
tpl_roster,
tpl_roster_item) {
"use strict";
converse.templates.group_header = tpl_group_header;
converse.templates.pending_contact = tpl_pending_contact;
converse.templates.requesting_contact = tpl_requesting_contact;
converse.templates.roster = tpl_roster;
converse.templates.roster_item = tpl_roster_item;
var $ = converse_api.env.jQuery,
utils = converse_api.env.utils,
Strophe = converse_api.env.Strophe,
$iq = converse_api.env.$iq,
b64_sha1 = converse_api.env.b64_sha1,
_ = converse_api.env._,
__ = utils.__.bind(converse);
converse_api.plugins.add('rosterview', {
overrides: {
// Overrides mentioned here will be picked up by converse.js's
// plugin architecture they will replace existing methods on the
// relevant objects or classes.
//
// New functions which don't exist yet can also be added.
afterReconnected: function () {
this.rosterview.registerRosterXHandler();
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this.__super__.afterReconnected.apply(this, arguments);
},
initRoster: function () {
/* Create an instance of RosterView once the RosterGroups
* collection has been created (in converse-core.js)
*/
this.__super__.initRoster.apply(this, arguments);
converse.rosterview = new converse.RosterView({
'model': converse.rostergroups
});
converse.rosterview.render();
},
RosterGroups: {
comparator: function () {
// RosterGroupsComparator only gets set later (once i18n is
// set up), so we need to wrap it in this nameless function.
return converse.RosterGroupsComparator.apply(this, arguments);
}
}
},
initialize: function () {
/* The initialize function gets called as soon as the plugin is
* loaded by converse.js's plugin machinery.
*/
this.updateSettings({
allow_chat_pending_contacts: false,
allow_contact_removal: true,
show_toolbar: true,
});
var STATUSES = {
'dnd': __('This contact is busy'),
'online': __('This contact is online'),
'offline': __('This contact is offline'),
'unavailable': __('This contact is unavailable'),
'xa': __('This contact is away for an extended period'),
'away': __('This contact is away')
};
var LABEL_CONTACTS = __('Contacts');
var LABEL_GROUPS = __('Groups');
var HEADER_CURRENT_CONTACTS = __('My contacts');
var HEADER_PENDING_CONTACTS = __('Pending contacts');
var HEADER_REQUESTING_CONTACTS = __('Contact requests');
var HEADER_UNGROUPED = __('Ungrouped');
var HEADER_WEIGHTS = {};
HEADER_WEIGHTS[HEADER_REQUESTING_CONTACTS] = 0;
HEADER_WEIGHTS[HEADER_CURRENT_CONTACTS] = 1;
HEADER_WEIGHTS[HEADER_UNGROUPED] = 2;
HEADER_WEIGHTS[HEADER_PENDING_CONTACTS] = 3;
converse.RosterGroupsComparator = function (a, b) {
/* Groups are sorted alphabetically, ignoring case.
* However, Ungrouped, Requesting Contacts and Pending Contacts
* appear last and in that order.
*/
a = a.get('name');
b = b.get('name');
var special_groups = _.keys(HEADER_WEIGHTS);
var a_is_special = _.contains(special_groups, a);
var b_is_special = _.contains(special_groups, b);
if (!a_is_special && !b_is_special ) {
return a.toLowerCase() < b.toLowerCase() ? -1 : (a.toLowerCase() > b.toLowerCase() ? 1 : 0);
} else if (a_is_special && b_is_special) {
return HEADER_WEIGHTS[a] < HEADER_WEIGHTS[b] ? -1 : (HEADER_WEIGHTS[a] > HEADER_WEIGHTS[b] ? 1 : 0);
} else if (!a_is_special && b_is_special) {
return (b === HEADER_REQUESTING_CONTACTS) ? 1 : -1;
} else if (a_is_special && !b_is_special) {
return (a === HEADER_REQUESTING_CONTACTS) ? -1 : 1;
}
};
converse.RosterFilter = Backbone.Model.extend({
initialize: function () {
this.set({
'filter_text': '',
'filter_type': 'contacts',
'chat_state': ''
});
},
});
converse.RosterFilterView = Backbone.View.extend({
tagName: 'span',
events: {
"keydown .roster-filter": "liveFilter",
"click .onX": "clearFilter",
"mousemove .x": "toggleX",
"change .filter-type": "changeTypeFilter",
"change .state-type": "changeChatStateFilter"
},
initialize: function () {
this.model.on('change', this.render, this);
},
render: function () {
this.$el.html(converse.templates.roster(
_.extend(this.model.toJSON(), {
placeholder: __('Filter'),
label_contacts: LABEL_CONTACTS,
label_groups: LABEL_GROUPS,
label_state: __('State'),
label_any: __('Any'),
label_online: __('Online'),
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label_chatty: __('Chatty'),
label_busy: __('Busy'),
label_away: __('Away'),
label_xa: __('Extended Away'),
label_offline: __('Offline')
})
));
var $roster_filter = this.$('.roster-filter');
$roster_filter[this.tog($roster_filter.val())]('x');
return this.$el;
},
tog: function (v) {
return v?'addClass':'removeClass';
},
toggleX: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
var el = ev.target;
$(el)[this.tog(el.offsetWidth-18 < ev.clientX-el.getBoundingClientRect().left)]('onX');
},
changeChatStateFilter: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
this.model.save({
'chat_state': this.$('.state-type').val()
});
},
changeTypeFilter: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
var type = ev.target.value;
if (type === 'state') {
this.model.save({
'filter_type': type,
'chat_state': this.$('.state-type').val()
});
} else {
this.model.save({
'filter_type': type,
'filter_text': this.$('.roster-filter').val(),
});
}
},
liveFilter: _.debounce(function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
this.model.save({
'filter_type': this.$('.filter-type').val(),
'filter_text': this.$('.roster-filter').val()
});
}, 250),
isActive: function () {
/* Returns true if the filter is enabled (i.e. if the user
* has added values to the filter).
*/
if (this.model.get('filter_type') === 'state' ||
this.model.get('filter_text')) {
return true;
}
return false;
},
show: function () {
if (this.$el.is(':visible')) { return this; }
this.$el.show();
return this;
},
hide: function () {
if (!this.$el.is(':visible')) { return this; }
if (this.$('.roster-filter').val().length > 0) {
// Don't hide if user is currently filtering.
return;
}
this.model.save({
'filter_text': '',
'chat_state': ''
});
this.$el.hide();
return this;
},
clearFilter: function (ev) {
if (ev && ev.preventDefault) {
ev.preventDefault();
$(ev.target).removeClass('x onX').val('');
}
this.model.save({
'filter_text': ''
});
}
});
converse.RosterView = Backbone.Overview.extend({
tagName: 'div',
id: 'converse-roster',
initialize: function () {
this.roster_handler_ref = this.registerRosterHandler();
this.rosterx_handler_ref = this.registerRosterXHandler();
converse.roster.on("add", this.onContactAdd, this);
converse.roster.on('change', this.onContactChange, this);
converse.roster.on("destroy", this.update, this);
converse.roster.on("remove", this.update, this);
this.model.on("add", this.onGroupAdd, this);
this.model.on("reset", this.reset, this);
converse.on('rosterGroupsFetched', this.positionFetchedGroups, this);
converse.on('rosterContactsFetched', this.update, this);
this.createRosterFilter();
},
render: function () {
this.$roster = $('<dl class="roster-contacts" style="display: none;"></dl>');
this.$el.html(this.filter_view.render());
if (!converse.allow_contact_requests) {
// XXX: if we ever support live editing of config then
// we'll need to be able to remove this class on the fly.
this.$el.addClass('no-contact-requests');
}
return this;
},
createRosterFilter: function () {
// Create a model on which we can store filter properties
var model = new converse.RosterFilter();
model.id = b64_sha1('converse.rosterfilter'+converse.bare_jid);
model.browserStorage = new Backbone.BrowserStorage.local(this.filter.id);
this.filter_view = new converse.RosterFilterView({'model': model});
this.filter_view.model.on('change', this.updateFilter, this);
this.filter_view.model.fetch();
},
updateFilter: _.debounce(function () {
/* Filter the roster again.
* Called whenever the filter settings have been changed or
* when contacts have been added, removed or changed.
*
* Debounced so that it doesn't get called for every
* contact fetched from browser storage.
*/
var type = this.filter_view.model.get('filter_type');
if (type === 'state') {
this.filter(this.filter_view.model.get('chat_state'), type);
} else {
this.filter(this.filter_view.model.get('filter_text'), type);
}
}, 100),
unregisterHandlers: function () {
converse.connection.deleteHandler(this.roster_handler_ref);
delete this.roster_handler_ref;
converse.connection.deleteHandler(this.rosterx_handler_ref);
delete this.rosterx_handler_ref;
},
update: _.debounce(function () {
if (this.$roster.parent().length === 0) {
this.$el.append(this.$roster.show());
}
return this.showHideFilter();
}, converse.animate ? 100 : 0),
showHideFilter: function () {
if (!this.$el.is(':visible')) {
return;
}
if (this.$roster.hasScrollBar()) {
this.filter_view.show();
} else if (!this.filter_view.isActive()) {
this.filter_view.hide();
}
return this;
},
filter: function (query, type) {
// First we make sure the filter is restored to its
// original state
_.each(this.getAll(), function (view) {
if (view.model.contacts.length > 0) {
view.show().filter('');
}
});
// Now we can filter
query = query.toLowerCase();
if (type === 'groups') {
_.each(this.getAll(), function (view, idx) {
if (view.model.get('name').toLowerCase().indexOf(query.toLowerCase()) === -1) {
view.hide();
} else if (view.model.contacts.length > 0) {
view.show();
}
});
} else {
_.each(this.getAll(), function (view) {
view.filter(query, type);
});
}
},
reset: function () {
converse.roster.reset();
this.removeAll();
this.$roster = $('<dl class="roster-contacts" style="display: none;"></dl>');
this.render().update();
return this;
},
registerRosterHandler: function () {
converse.connection.addHandler(
converse.roster.onRosterPush.bind(converse.roster),
Strophe.NS.ROSTER, 'iq', "set"
);
},
registerRosterXHandler: function () {
var t = 0;
converse.connection.addHandler(
function (msg) {
window.setTimeout(
function () {
converse.connection.flush();
converse.roster.subscribeToSuggestedItems.bind(converse.roster)(msg);
},
t
);
t += $(msg).find('item').length*250;
return true;
},
Strophe.NS.ROSTERX, 'message', null
);
},
onGroupAdd: function (group) {
var view = new converse.RosterGroupView({model: group});
this.add(group.get('name'), view.render());
this.positionGroup(view);
},
onContactAdd: function (contact) {
this.addRosterContact(contact).update();
this.updateFilter();
},
onContactChange: function (contact) {
this.updateChatBox(contact).update();
if (_.has(contact.changed, 'subscription')) {
if (contact.changed.subscription === 'from') {
this.addContactToGroup(contact, HEADER_PENDING_CONTACTS);
} else if (_.contains(['both', 'to'], contact.get('subscription'))) {
this.addExistingContact(contact);
}
}
if (_.has(contact.changed, 'ask') && contact.changed.ask === 'subscribe') {
this.addContactToGroup(contact, HEADER_PENDING_CONTACTS);
}
if (_.has(contact.changed, 'subscription') && contact.changed.requesting === 'true') {
this.addContactToGroup(contact, HEADER_REQUESTING_CONTACTS);
}
this.updateFilter();
},
updateChatBox: function (contact) {
var chatbox = converse.chatboxes.get(contact.get('jid')),
changes = {};
if (!chatbox) {
return this;
}
if (_.has(contact.changed, 'chat_status')) {
changes.chat_status = contact.get('chat_status');
}
if (_.has(contact.changed, 'status')) {
changes.status = contact.get('status');
}
chatbox.save(changes);
return this;
},
positionFetchedGroups: function (model, resp, options) {
/* Instead of throwing an add event for each group
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* fetched, we wait until they're all fetched and then
* we position them.
* Works around the problem of positionGroup not
* working when all groups besides the one being
* positioned aren't already in inserted into the
* roster DOM element.
*/
this.model.sort();
this.model.each(function (group, idx) {
var view = this.get(group.get('name'));
if (!view) {
view = new converse.RosterGroupView({model: group});
this.add(group.get('name'), view.render());
}
if (idx === 0) {
this.$roster.append(view.$el);
} else {
this.appendGroup(view);
}
}.bind(this));
},
positionGroup: function (view) {
/* Place the group's DOM element in the correct alphabetical
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* position amongst the other groups in the roster.
*/
var $groups = this.$roster.find('.roster-group'),
index = $groups.length ? this.model.indexOf(view.model) : 0;
if (index === 0) {
this.$roster.prepend(view.$el);
} else if (index === (this.model.length-1)) {
this.appendGroup(view);
} else {
$($groups.eq(index)).before(view.$el);
}
return this;
},
appendGroup: function (view) {
/* Add the group at the bottom of the roster
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*/
var $last = this.$roster.find('.roster-group').last();
var $siblings = $last.siblings('dd');
if ($siblings.length > 0) {
$siblings.last().after(view.$el);
} else {
$last.after(view.$el);
}
return this;
},
getGroup: function (name) {
/* Returns the group as specified by name.
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* Creates the group if it doesn't exist.
*/
var view = this.get(name);
if (view) {
return view.model;
}
return this.model.create({name: name, id: b64_sha1(name)});
},
addContactToGroup: function (contact, name) {
this.getGroup(name).contacts.add(contact);
},
addExistingContact: function (contact) {
var groups;
if (converse.roster_groups) {
groups = contact.get('groups');
if (groups.length === 0) {
groups = [HEADER_UNGROUPED];
}
} else {
groups = [HEADER_CURRENT_CONTACTS];
}
_.each(groups, _.bind(this.addContactToGroup, this, contact));
},
addRosterContact: function (contact) {
if (contact.get('subscription') === 'both' || contact.get('subscription') === 'to') {
this.addExistingContact(contact);
} else {
if ((contact.get('ask') === 'subscribe') || (contact.get('subscription') === 'from')) {
this.addContactToGroup(contact, HEADER_PENDING_CONTACTS);
} else if (contact.get('requesting') === true) {
this.addContactToGroup(contact, HEADER_REQUESTING_CONTACTS);
}
}
return this;
}
});
converse.RosterContactView = Backbone.View.extend({
tagName: 'dd',
events: {
"click .accept-xmpp-request": "acceptRequest",
"click .decline-xmpp-request": "declineRequest",
"click .open-chat": "openChat",
"click .remove-xmpp-contact": "removeContact"
},
initialize: function () {
this.model.on("change", this.render, this);
this.model.on("remove", this.remove, this);
this.model.on("destroy", this.remove, this);
this.model.on("open", this.openChat, this);
},
render: function () {
if (!this.mayBeShown()) {
this.$el.hide();
return this;
}
var item = this.model,
ask = item.get('ask'),
chat_status = item.get('chat_status'),
requesting = item.get('requesting'),
subscription = item.get('subscription');
var classes_to_remove = [
'current-xmpp-contact',
'pending-xmpp-contact',
'requesting-xmpp-contact'
].concat(_.keys(STATUSES));
_.each(classes_to_remove,
function (cls) {
if (this.el.className.indexOf(cls) !== -1) {
this.$el.removeClass(cls);
}
}, this);
this.$el.addClass(chat_status).data('status', chat_status);
if ((ask === 'subscribe') || (subscription === 'from')) {
/* ask === 'subscribe'
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* Means we have asked to subscribe to them.
*
* subscription === 'from'
* They are subscribed to use, but not vice versa.
* We assume that there is a pending subscription
* from us to them (otherwise we're in a state not
* supported by converse.js).
*
* So in both cases the user is a "pending" contact.
*/
this.$el.addClass('pending-xmpp-contact');
this.$el.html(converse.templates.pending_contact(
_.extend(item.toJSON(), {
'desc_remove': __('Click to remove this contact'),
'allow_chat_pending_contacts': converse.allow_chat_pending_contacts
})
));
} else if (requesting === true) {
this.$el.addClass('requesting-xmpp-contact');
this.$el.html(converse.templates.requesting_contact(
_.extend(item.toJSON(), {
'desc_accept': __("Click to accept this contact request"),
'desc_decline': __("Click to decline this contact request"),
'allow_chat_pending_contacts': converse.allow_chat_pending_contacts
})
));
converse.controlboxtoggle.showControlBox();
} else if (subscription === 'both' || subscription === 'to') {
this.$el.addClass('current-xmpp-contact');
this.$el.removeClass(_.without(['both', 'to'], subscription)[0]).addClass(subscription);
this.$el.html(converse.templates.roster_item(
_.extend(item.toJSON(), {
'desc_status': STATUSES[chat_status||'offline'],
'desc_chat': __('Click to chat with this contact'),
'desc_remove': __('Click to remove this contact'),
'title_fullname': __('Name'),
'allow_contact_removal': converse.allow_contact_removal
})
));
}
return this;
},
isGroupCollapsed: function () {
/* Check whether the group in which this contact appears is
* collapsed.
*/
// XXX: this sucks and is fragile.
// It's because I tried to do the "right thing"
// and use definition lists to represent roster groups.
// If roster group items were inside the group elements, we
// would simplify things by not having to check whether the
// group is collapsed or not.
var name = this.$el.prevAll('dt:first').data('group');
var group = converse.rosterview.model.where({'name': name})[0];
if (group.get('state') === converse.CLOSED) {
return true;
}
return false;
},
mayBeShown: function () {
/* Return a boolean indicating whether this contact should
* generally be visible in the roster.
*
* It doesn't check for the more specific case of whether
* the group it's in is collapsed (see isGroupCollapsed).
*/
var chatStatus = this.model.get('chat_status');
if ((converse.show_only_online_users && chatStatus !== 'online') ||
(converse.hide_offline_users && chatStatus === 'offline')) {
// If pending or requesting, show
if ((this.model.get('ask') === 'subscribe') ||
(this.model.get('subscription') === 'from') ||
(this.model.get('requesting') === true)) {
return true;
}
return false;
}
return true;
},
openChat: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
return converse.chatboxviews.showChat(this.model.attributes);
},
removeContact: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
if (!converse.allow_contact_removal) { return; }
var result = confirm(__("Are you sure you want to remove this contact?"));
if (result === true) {
var iq = $iq({type: 'set'})
.c('query', {xmlns: Strophe.NS.ROSTER})
.c('item', {jid: this.model.get('jid'), subscription: "remove"});
converse.connection.sendIQ(iq,
function (iq) {
this.model.destroy();
this.remove();
}.bind(this),
function (err) {
alert(__("Sorry, there was an error while trying to remove "+name+" as a contact."));
converse.log(err);
}
);
}
},
acceptRequest: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
converse.roster.sendContactAddIQ(
this.model.get('jid'),
this.model.get('fullname'),
[],
function () { this.model.authorize().subscribe(); }.bind(this)
);
},
declineRequest: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
var result = confirm(__("Are you sure you want to decline this contact request?"));
if (result === true) {
this.model.unauthorize().destroy();
}
return this;
}
});
converse.RosterGroupView = Backbone.Overview.extend({
tagName: 'dt',
className: 'roster-group',
events: {
"click a.group-toggle": "toggle"
},
initialize: function () {
this.model.contacts.on("add", this.addContact, this);
this.model.contacts.on("change:subscription", this.onContactSubscriptionChange, this);
this.model.contacts.on("change:requesting", this.onContactRequestChange, this);
this.model.contacts.on("change:chat_status", function (contact) {
// This might be optimized by instead of first sorting,
// finding the correct position in positionContact
this.model.contacts.sort();
this.positionContact(contact).render();
}, this);
this.model.contacts.on("destroy", this.onRemove, this);
this.model.contacts.on("remove", this.onRemove, this);
converse.roster.on('change:groups', this.onContactGroupChange, this);
},
render: function () {
this.$el.attr('data-group', this.model.get('name'));
this.$el.html(
$(converse.templates.group_header({
label_group: this.model.get('name'),
desc_group_toggle: this.model.get('description'),
toggle_state: this.model.get('state')
}))
);
return this;
},
addContact: function (contact) {
var view = new converse.RosterContactView({model: contact});
this.add(contact.get('id'), view);
view = this.positionContact(contact).render();
if (view.mayBeShown()) {
if (this.model.get('state') === converse.CLOSED) {
if (view.$el[0].style.display !== "none") { view.$el.hide(); }
if (!this.$el.is(':visible')) { this.$el.show(); }
} else {
if (this.$el[0].style.display !== "block") { this.show(); }
}
}
},
positionContact: function (contact) {
/* Place the contact's DOM element in the correct alphabetical
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* position amongst the other contacts in this group.
*/
var view = this.get(contact.get('id'));
var index = this.model.contacts.indexOf(contact);
view.$el.detach();
if (index === 0) {
this.$el.after(view.$el);
} else if (index === (this.model.contacts.length-1)) {
this.$el.nextUntil('dt').last().after(view.$el);
} else {
this.$el.nextUntil('dt').eq(index).before(view.$el);
}
return view;
},
show: function () {
this.$el.show();
_.each(this.getAll(), function (view) {
if (view.mayBeShown() && !view.isGroupCollapsed()) {
view.$el.show();
}
});
return this;
},
hide: function () {
this.$el.nextUntil('dt').addBack().hide();
},
filter: function (q, type) {
/* Filter the group's contacts based on the query "q".
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* The query is matched against the contact's full name.
* If all contacts are filtered out (i.e. hidden), then the
* group must be filtered out as well.
*/
var matches;
if (q.length === 0) {
if (this.model.get('state') === converse.OPENED) {
this.model.contacts.each(function (item) {
var view = this.get(item.get('id'));
if (view.mayBeShown() && !view.isGroupCollapsed()) {
view.$el.show();
}
}.bind(this));
}
this.showIfNecessary();
} else {
q = q.toLowerCase();
if (type === 'state') {
if (this.model.get('name') === HEADER_REQUESTING_CONTACTS) {
// When filtering by chat state, we still want to
// show requesting contacts, even though they don't
// have the state in question.
matches = this.model.contacts.filter(
function (contact) {
return utils.contains.not('chat_status', q)(contact) && !contact.get('requesting');
}
);
} else {
matches = this.model.contacts.filter(
utils.contains.not('chat_status', q)
);
}
} else {
matches = this.model.contacts.filter(
utils.contains.not('fullname', q)
);
}
if (matches.length === this.model.contacts.length) {
// hide the whole group
this.hide();
} else {
_.each(matches, function (item) {
this.get(item.get('id')).$el.hide();
}.bind(this));
_.each(this.model.contacts.reject(utils.contains.not('fullname', q)), function (item) {
this.get(item.get('id')).$el.show();
}.bind(this));
this.showIfNecessary();
}
}
},
showIfNecessary: function () {
if (!this.$el.is(':visible') && this.model.contacts.length > 0) {
this.$el.show();
}
},
toggle: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
var $el = $(ev.target);
if ($el.hasClass("icon-opened")) {
this.$el.nextUntil('dt').slideUp();
this.model.save({state: converse.CLOSED});
$el.removeClass("icon-opened").addClass("icon-closed");
} else {
$el.removeClass("icon-closed").addClass("icon-opened");
this.model.save({state: converse.OPENED});
this.filter(
converse.rosterview.$('.roster-filter').val() || '',
converse.rosterview.$('.filter-type').val()
);
}
},
onContactGroupChange: function (contact) {
var in_this_group = _.contains(contact.get('groups'), this.model.get('name'));
var cid = contact.get('id');
var in_this_overview = !this.get(cid);
if (in_this_group && !in_this_overview) {
this.model.contacts.remove(cid);
} else if (!in_this_group && in_this_overview) {
this.addContact(contact);
}
},
onContactSubscriptionChange: function (contact) {
if ((this.model.get('name') === HEADER_PENDING_CONTACTS) && contact.get('subscription') !== 'from') {
this.model.contacts.remove(contact.get('id'));
}
},
onContactRequestChange: function (contact) {
if ((this.model.get('name') === HEADER_REQUESTING_CONTACTS) && !contact.get('requesting')) {
/* We suppress events, otherwise the remove event will
* also cause the contact's view to be removed from the
* "Pending Contacts" group.
*/
this.model.contacts.remove(contact.get('id'), {'silent': true});
// Since we suppress events, we make sure the view and
// contact are removed from this group.
this.get(contact.get('id')).remove();
this.onRemove(contact);
}
},
onRemove: function (contact) {
this.remove(contact.get('id'));
if (this.model.contacts.length === 0) {
this.$el.hide();
}
}
});
}
});
}));