/*
* StatusNet - a distributed open-source microblogging tool
* Copyright (C) 2008, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*
* @category UI interaction
* @package StatusNet
* @author Sarven Capadisli
* @author Evan Prodromou
* @author Brion Vibber
* @copyright 2009,2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
var SN = { // StatusNet
C: { // Config
I: { // Init
CounterBlackout: false,
MaxLength: 140,
PatternUsername: /^[0-9a-zA-Z\-_.]*$/,
HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307],
},
/**
* @fixme are these worth the trouble? They seem to mostly just duplicate
* themselves while slightly obscuring the actual selector, so it's hard
* to pop over to the HTML and find something.
*
* In theory, minification could reduce them to shorter variable names,
* but at present that doesn't happen with yui-compressor.
*/
S: { // Selector
Disabled: 'disabled',
Warning: 'warning',
Error: 'error',
Success: 'success',
Processing: 'processing',
CommandResult: 'command_result',
FormNotice: 'form_notice',
NoticeDataGeo: 'notice_data-geo',
NoticeDataGeoCookie: 'NoticeDataGeo',
NoticeDataGeoSelected: 'notice_data-geo_selected',
StatusNetInstance: 'StatusNetInstance'
}
},
/**
* Map of localized message strings exported to script from the PHP
* side via Action::getScriptMessages().
*
* Retrieve them via SN.msg(); this array is an implementation detail.
*
* @access private
*/
messages: {},
/**
* Grabs a localized string that's been previously exported to us
* from server-side code via Action::getScriptMessages().
*
* @example alert(SN.msg('coolplugin-failed'));
*
* @param {String} key: string key name to pull from message index
* @return matching localized message string
*/
msg: function (key) {
if (SN.messages[key] === undefined) {
return '[' + key + ']';
}
return SN.messages[key];
},
U: { // Utils
/**
* Setup function -- DOES NOT trigger actions immediately.
*
* Sets up event handlers on the new notice form.
*
* @param {jQuery} form: jQuery object whose first matching element is the form
* @access private
*/
FormNoticeEnhancements: function (form) {
if ($.data(form[0], 'ElementData') === undefined) {
var MaxLength = form.find('.count').text();
if (MaxLength === undefined) {
MaxLength = SN.C.I.MaxLength;
}
$.data(form[0], 'ElementData', {MaxLength: MaxLength});
SN.U.Counter(form);
var NDT = form.find('.notice_data-text:first');
NDT.on('keyup', function (e) {
SN.U.Counter(form);
});
var delayedUpdate = function (e) {
// Cut and paste events fire *before* the operation,
// so we need to trigger an update in a little bit.
// This would be so much easier if the 'change' event
// actually fired every time the value changed. :P
window.setTimeout(function () {
SN.U.Counter(form);
}, 50);
};
// Note there's still no event for mouse-triggered 'delete'.
NDT.on('cut', delayedUpdate)
.on('paste', delayedUpdate);
} else {
form.find('.count').text($.data(form[0], 'ElementData').MaxLength);
}
},
/**
* To be called from event handlers on the notice import form.
* Triggers an update of the remaining-characters counter.
*
* Additional counter updates will be suppressed during the
* next half-second to avoid flooding the layout engine with
* updates, followed by another automatic check.
*
* The maximum length is pulled from data established by
* FormNoticeEnhancements.
*
* @param {jQuery} form: jQuery object whose first element is the notice posting form
* @access private
*/
Counter: function (form) {
SN.C.I.FormNoticeCurrent = form;
var MaxLength = $.data(form[0], 'ElementData').MaxLength;
if (MaxLength <= 0) {
return;
}
var remaining = MaxLength - SN.U.CharacterCount(form);
var counter = form.find('.count');
if (remaining.toString() != counter.text()) {
if (!SN.C.I.CounterBlackout || remaining === 0) {
if (counter.text() != String(remaining)) {
counter.text(remaining);
}
if (remaining < 0) {
form.addClass(SN.C.S.Warning);
} else {
form.removeClass(SN.C.S.Warning);
}
// Skip updates for the next 500ms.
// On slower hardware, updating on every keypress is unpleasant.
if (!SN.C.I.CounterBlackout) {
SN.C.I.CounterBlackout = true;
SN.C.I.FormNoticeCurrent = form;
window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
}
}
}
},
/**
* Pull the count of characters in the current edit field.
* Plugins replacing the edit control may need to override this.
*
* @param {jQuery} form: jQuery object whose first element is the notice posting form
* @return number of chars
*/
CharacterCount: function (form) {
return form.find('.notice_data-text:first').val().length;
},
/**
* Called internally after the counter update blackout period expires;
* runs another update to make sure we didn't miss anything.
*
* @param {jQuery} form: jQuery object whose first element is the notice posting form
* @access private
*/
ClearCounterBlackout: function (form) {
// Allow keyup events to poke the counter again
SN.C.I.CounterBlackout = false;
// Check if the string changed since we last looked
SN.U.Counter(form);
},
/**
* Helper function to rewrite default HTTP form action URLs to HTTPS
* so we can actually fetch them when on an SSL page in ssl=sometimes
* mode.
*
* It would be better to output URLs that didn't hardcode protocol
* and hostname in the first place...
*
* @param {String} url
* @return string
*/
RewriteAjaxAction: function (url) {
// Quick hack: rewrite AJAX submits to HTTPS if they'd fail otherwise.
if (document.location.protocol === 'https:' && url.substr(0, 5) === 'http:') {
return url.replace(/^http:\/\/[^:\/]+/, 'https://' + document.location.host);
}
return url;
},
/**
* Grabs form data and submits it asynchronously, with 'ajax=1'
* parameter added to the rest.
*
* If a successful response includes another form, that form
* will be extracted and copied in, replacing the original form.
* If there's no form, the first paragraph will be used.
*
* This will automatically be applied on the 'submit' event for
* any form with the 'ajax' class.
*
* @fixme can sometimes explode confusingly if returnd data is bogus
* @fixme error handling is pretty vague
* @fixme can't submit file uploads
*
* @param {jQuery} form: jQuery object whose first element is a form
* @param function onSuccess: something extra to do on success
*
* @access public
*/
FormXHR: function (form, onSuccess) {
$.ajax({
type: 'POST',
dataType: 'xml',
url: SN.U.RewriteAjaxAction(form.attr('action')),
data: form.serialize() + '&ajax=1',
beforeSend: function (xhr) {
form
.addClass(SN.C.S.Processing)
.find('.submit')
.addClass(SN.C.S.Disabled)
.prop(SN.C.S.Disabled, true);
},
error: function (xhr, textStatus, errorThrown) {
// If the server end reported an error from StatusNet,
// find it -- otherwise we'll see what was reported
// from the browser.
var errorReported = null;
if (xhr.responseXML) {
errorReported = $('#error', xhr.responseXML).text();
}
window.alert(errorReported || errorThrown || textStatus);
// Restore the form to original state.
// Hopefully. :D
form
.removeClass(SN.C.S.Processing)
.find('.submit')
.removeClass(SN.C.S.Disabled)
.prop(SN.C.S.Disabled, false);
},
success: function (data, textStatus) {
if ($('form', data)[0] !== undefined) {
var form_new = document._importNode($('form', data)[0], true);
form.replaceWith(form_new);
if (onSuccess) {
onSuccess();
}
} else if ($('p', data)[0] !== undefined) {
form.replaceWith(document._importNode($('p', data)[0], true));
if (onSuccess) {
onSuccess();
}
} else {
window.alert('Unknown error.');
}
}
});
},
/**
* Setup function -- DOES NOT trigger actions immediately.
*
* Sets up event handlers for special-cased async submission of the
* notice-posting form, including some pre-post validation.
*
* Unlike FormXHR() this does NOT submit the form immediately!
* It sets up event handlers so that any method of submitting the
* form (click on submit button, enter, submit() etc) will trigger
* it properly.
*
* Also unlike FormXHR(), this system will use a hidden iframe
* automatically to handle file uploads via
* controls.
*
* @fixme tl;dr
* @fixme vast swaths of duplicate code and really long variable names clutter this function up real bad
* @fixme error handling is unreliable
* @fixme cookieValue is a global variable, but probably shouldn't be
* @fixme saving the location cache cookies should be split out
* @fixme some error messages are hardcoded english: needs i18n
*
* @param {jQuery} form: jQuery object whose first element is a form
*
* @access public
*/
FormNoticeXHR: function (form) {
SN.C.I.NoticeDataGeo = {};
form.append('');
// Make sure we don't have a mixed HTTP/HTTPS submission...
form.attr('action', SN.U.RewriteAjaxAction(form.attr('action')));
/**
* Show a response feedback bit under the new-notice dialog.
*
* @param {String} cls: CSS class name to use ('error' or 'success')
* @param {String} text
* @access private
*/
var showFeedback = function (cls, text) {
form.append(
$('')
.addClass(cls)
.text(text)
);
};
/**
* Hide the previous response feedback, if any.
*/
var removeFeedback = function () {
form.find('.form_response').remove();
};
form.ajaxForm({
dataType: 'xml',
timeout: '60000',
beforeSend: function (formData) {
if (form.find('.notice_data-text:first').val() == '') {
form.addClass(SN.C.S.Warning);
return false;
}
form
.addClass(SN.C.S.Processing)
.find('.submit')
.addClass(SN.C.S.Disabled)
.prop(SN.C.S.Disabled, true);
SN.U.normalizeGeoData(form);
return true;
},
error: function (xhr, textStatus, errorThrown) {
form
.removeClass(SN.C.S.Processing)
.find('.submit')
.removeClass(SN.C.S.Disabled)
.prop(SN.C.S.Disabled, false);
removeFeedback();
if (textStatus == 'timeout') {
// @fixme i18n
showFeedback('error', 'Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.');
} else {
var response = SN.U.GetResponseXML(xhr);
if ($('.' + SN.C.S.Error, response).length > 0) {
form.append(document._importNode($('.' + SN.C.S.Error, response)[0], true));
} else {
if (parseInt(xhr.status) === 0 || $.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
form
.resetForm()
.find('.attach-status').remove();
SN.U.FormNoticeEnhancements(form);
} else {
// @fixme i18n
showFeedback('error', '(Sorry! We had trouble sending your notice (' + xhr.status + ' ' + xhr.statusText + '). Please report the problem to the site administrator if this happens again.');
}
}
}
},
success: function (data, textStatus) {
removeFeedback();
var errorResult = $('#' + SN.C.S.Error, data);
if (errorResult.length > 0) {
showFeedback('error', errorResult.text());
} else {
var commandResult = $('#' + SN.C.S.CommandResult, data);
if (commandResult.length > 0) {
showFeedback('success', commandResult.text());
} else {
// New notice post was successful. If on our timeline, show it!
var notice = document._importNode($('li', data)[0], true);
var notices = $('#notices_primary .notices:first');
var replyItem = form.closest('li.notice-reply');
if (replyItem.length > 0) {
// If this is an inline reply, remove the form...
var list = form.closest('.threaded-replies');
var id = $(notice).attr('id');
if ($('#' + id).length == 0) {
$(notice).insertBefore(replyItem);
} // else Realtime came through before us...
replyItem.remove();
} else if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
// Not a reply. If on our timeline, show it at the top!
if ($('#' + notice.id).length === 0) {
var notice_irt_value = form.find('[name=inreplyto]').val();
var notice_irt = '#notices_primary #notice-' + notice_irt_value;
if ($('body')[0].id == 'conversation') {
if (notice_irt_value.length > 0 && $(notice_irt + ' .notices').length < 1) {
$(notice_irt).append('
');
}
$($(notice_irt + ' .notices')[0]).append(notice);
} else {
notices.prepend(notice);
}
$('#' + notice.id)
.css({display: 'none'})
.fadeIn(2500);
SN.U.NoticeWithAttachment($('#' + notice.id));
SN.U.switchInputFormTab(null);
}
} else {
// Not on a timeline that this belongs on?
// Just show a success message.
// @fixme inline
showFeedback('success', $('title', data).text());
}
}
form.resetForm();
form.find('[name=inreplyto]').val('');
form.find('.attach-status').remove();
SN.U.FormNoticeEnhancements(form);
}
},
complete: function (xhr, textStatus) {
form
.removeClass(SN.C.S.Processing)
.find('.submit')
.prop(SN.C.S.Disabled, false)
.removeClass(SN.C.S.Disabled);
form.find('[name=lat]').val(SN.C.I.NoticeDataGeo.NLat);
form.find('[name=lon]').val(SN.C.I.NoticeDataGeo.NLon);
form.find('[name=location_ns]').val(SN.C.I.NoticeDataGeo.NLNS);
form.find('[name=location_id]').val(SN.C.I.NoticeDataGeo.NLID);
form.find('[name=notice_data-geo]').prop('checked', SN.C.I.NoticeDataGeo.NDG);
}
});
},
FormProfileSearchXHR: function (form) {
$.ajax({
type: 'POST',
dataType: 'xml',
url: form.attr('action'),
data: form.serialize() + '&ajax=1',
beforeSend: function (xhr) {
form
.addClass(SN.C.S.Processing)
.find('.submit')
.addClass(SN.C.S.Disabled)
.prop(SN.C.S.Disabled, true);
},
error: function (xhr, textStatus, errorThrown) {
window.alert(errorThrown || textStatus);
},
success: function (data, textStatus) {
var results_placeholder = $('#profile_search_results');
if ($('ul', data)[0] !== undefined) {
var list = document._importNode($('ul', data)[0], true);
results_placeholder.replaceWith(list);
} else {
var _error = $('').append(document._importNode($('p', data)[0], true));
results_placeholder.html(_error);
}
form
.removeClass(SN.C.S.Processing)
.find('.submit')
.removeClass(SN.C.S.Disabled)
.prop(SN.C.S.Disabled, false);
}
});
},
FormPeopletagsXHR: function (form) {
$.ajax({
type: 'POST',
dataType: 'xml',
url: form.attr('action'),
data: form.serialize() + '&ajax=1',
beforeSend: function (xhr) {
form.find('.submit')
.addClass(SN.C.S.Processing)
.addClass(SN.C.S.Disabled)
.prop(SN.C.S.Disabled, true);
},
error: function (xhr, textStatus, errorThrown) {
window.alert(errorThrown || textStatus);
},
success: function (data, textStatus) {
var results_placeholder = form.parents('.entity_tags');
if ($('.entity_tags', data)[0] !== undefined) {
var tags = document._importNode($('.entity_tags', data)[0], true);
$(tags).find('.editable').append($(''));
results_placeholder.replaceWith(tags);
} else {
results_placeholder.find('p').remove();
results_placeholder.append(document._importNode($('p', data)[0], true));
form.removeClass(SN.C.S.Processing)
.find('.submit')
.removeClass(SN.C.S.Disabled)
.prop(SN.C.S.Disabled, false);
}
}
});
},
normalizeGeoData: function (form) {
SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val();
SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val();
SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val();
SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val();
SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked'); // @fixme (does this still need to be fixed somehow?)
var cookieValue = $.cookie(SN.C.S.NoticeDataGeoCookie);
if (cookieValue !== undefined && cookieValue != 'disabled') {
cookieValue = JSON.parse(cookieValue);
SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val(cookieValue.NLat).val();
SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val(cookieValue.NLon).val();
if (cookieValue.NLNS) {
SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val(cookieValue.NLNS).val();
SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val(cookieValue.NLID).val();
} else {
form.find('[name=location_ns]').val('');
form.find('[name=location_id]').val('');
}
}
if (cookieValue == 'disabled') {
SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', false).prop('checked');
} else {
SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', true).prop('checked');
}
},
/**
* Fetch an XML DOM from an XHR's response data.
*
* Works around unavailable responseXML when document.domain
* has been modified by Meteor or other tools, in some but not
* all browsers.
*
* @param {XMLHTTPRequest} xhr
* @return DOMDocument
*/
GetResponseXML: function (xhr) {
try {
return xhr.responseXML;
} catch (e) {
return (new DOMParser()).parseFromString(xhr.responseText, "text/xml");
}
},
/**
* Setup function -- DOES NOT trigger actions immediately.
*
* Sets up event handlers on all visible notice's reply buttons to
* tweak the new-notice form with needed variables and focus it
* when pushed.
*
* (This replaces the default reply button behavior to submit
* directly to a form which comes back with a specialized page
* with the form data prefilled.)
*
* @access private
*/
NoticeReply: function () {
$(document).on('click', '#content .notice_reply', function (e) {
e.preventDefault();
var notice = $(this).closest('li.notice');
SN.U.NoticeInlineReplyTrigger(notice);
return false;
});
},
/**
* Stub -- kept for compat with plugins for now.
* @access private
*/
NoticeReplyTo: function (notice) {
},
/**
* Open up a notice's inline reply box.
*
* @param {jQuery} notice: jQuery object containing one notice
* @param {String} initialText
*/
NoticeInlineReplyTrigger: function (notice, initialText) {
// Find the notice we're replying to...
var id = $($('.notice_id', notice)[0]).text();
var replyForm;
var parentNotice = notice;
var stripForm = true; // strip a couple things out of reply forms that are inline
var list = notice.closest('.notices');
if (list.hasClass('threaded-replies')) {
// We're replying to a reply; use reply form on the end of this list.
} else {
// We're replying to a parent notice; pull its threaded list
// and we'll add on the end of it. Will add the threaded list if needed.
var list = $('ul.threaded-replies', notice);
if (list.length == 0) {
list = $('
');
notice.append(list);
list = notice.find('ul.threaded-replies');
}
}
var nextStep = function () {
// Override...?
replyForm.find('input[name=inreplyto]').val(id);
if (stripForm) {
// Don't do this for old-school reply form, as they don't come back!
replyForm.find('#notice_to').prop('disabled', true).hide();
replyForm.find('#notice_private').prop('disabled', true).hide();
replyForm.find('label[for=notice_to]').hide();
replyForm.find('label[for=notice_private]').hide();
}
// Set focus...
var text = replyForm.find('textarea');
if (text.length == 0) {
throw "No textarea";
}
var replyto = '';
if (initialText) {
replyto = initialText + ' ';
}
text.val(replyto + text.val().replace(new RegExp(replyto, 'i'), ''));
text.data('initialText', $.trim(initialText));
text.focus();
if (text[0].setSelectionRange) {
var len = text.val().length;
text[0].setSelectionRange(len, len);
}
};
// Create the reply form entry at the end
var replyItem = $('li.notice-reply', list);
if (replyItem.length == 0) {
replyItem = $('');
// Fetch a fresh copy of the notice form over AJAX.
var url = $('#input_form_status > form').attr('action');
$.get(url, {ajax: 1, inreplyto: id}, function (data, textStatus, xhr) {
var formEl = document._importNode($('form', data)[0], true);
replyItem.append(formEl);
list.append(replyItem);
replyForm = $(formEl);
SN.Init.NoticeFormSetup(replyForm);
nextStep();
});
} else {
replyForm = replyItem.children('form');
if (SN.Init.NoticeFormSetup(replyForm)) {
nextStep();
}
replyItem.show();
replyItem.find('textarea').focus();
}
},
/**
* Setup function -- DOES NOT apply immediately.
*
* Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
*/
NoticeInlineReplySetup: function () {
// Expand conversation links
$(document).on('click', 'li.notice-reply-comments a', function () {
var url = $(this).attr('href');
var area = $(this).closest('.threaded-replies');
$.get(url, {ajax: 1}, function (data, textStatus, xhr) {
var replies = $('.threaded-replies', data);
if (replies.length) {
area.replaceWith(document._importNode(replies[0], true));
}
});
return false;
});
},
/**
* Setup function -- DOES NOT trigger actions immediately.
*
* Sets up event handlers for repeat forms to toss up a confirmation
* popout before submitting.
*
* Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
*
*/
NoticeRepeat: function () {
$('body').on('click', '.form_repeat', function (e) {
e.preventDefault();
SN.U.NoticeRepeatConfirmation($(this));
return false;
});
},
/**
* Shows a confirmation dialog box variant of the repeat button form.
* This seems to use a technique where the repeat form contains
* _both_ a standalone button _and_ text and buttons for a dialog.
* The dialog will close after its copy of the form is submitted,
* or if you click its 'close' button.
*
* The dialog is created by duplicating the original form and changing
* its style; while clever, this is hard to generalize and probably
* duplicates a lot of unnecessary HTML output.
*
* @fixme create confirmation dialogs through a generalized interface
* that can be reused instead of hardcoded text and styles.
*
* @param {jQuery} form
*/
NoticeRepeatConfirmation: function (form) {
var submit_i = form.find('.submit');
var submit = submit_i.clone();
submit
.addClass('submit_dialogbox')
.removeClass('submit');
form.append(submit);
submit.on('click', function () { SN.U.FormXHR(form); return false; });
submit_i.hide();
form
.addClass('dialogbox')
.append('')
.closest('.notice-options')
.addClass('opaque');
form.find('button.close').click(function () {
$(this).remove();
form
.removeClass('dialogbox')
.closest('.notice-options')
.removeClass('opaque');
form.find('.submit_dialogbox').remove();
form.find('.submit').show();
return false;
});
},
/**
* Setup function -- DOES NOT trigger actions immediately.
*
* Goes through all notices currently displayed and sets up attachment
* handling if needed.
*/
NoticeAttachments: function () {
$('.notice a.attachment').each(function () {
SN.U.NoticeWithAttachment($(this).closest('.notice'));
});
},
/**
* Setup function -- DOES NOT trigger actions immediately.
*
* Sets up special attachment link handling if needed. Currently this
* consists only of making the "more" button used for OStatus message
* cropping turn into an auto-expansion button that loads the full
* text from an attachment file.
*
* @param {jQuery} notice
*/
NoticeWithAttachment: function (notice) {
if (notice.find('.attachment').length === 0) {
return;
}
$(document).on('click','.attachment.more',function () {
var m = $(this);
m.addClass(SN.C.S.Processing);
$.get(m.attr('href'), {ajax: 1}, function (data) {
m.parent('.e-content').html($(data).find('#attachment_view .e-content').html());
});
return false;
});
},
/**
* Setup function -- DOES NOT trigger actions immediately.
*
* Sets up event handlers for the file-attachment widget in the
* new notice form. When a file is selected, a box will be added
* below the text input showing the filename and, if supported
* by the browser, a thumbnail preview.
*
* This preview box will also allow removing the attachment
* prior to posting.
*
* @param {jQuery} form
*/
NoticeDataAttach: function (form) {
var i;
var NDA = form.find('input[type=file]');
NDA.change(function (event) {
form.find('.attach-status').remove();
var filename = $(this).val();
if (!filename) {
// No file -- we've been tricked!
return false;
}
var attachStatus = $('
');
attachStatus.find('code').text(filename);
attachStatus.find('button').click(function () {
attachStatus.remove();
NDA.val('');
return false;
});
form.append(attachStatus);
if (typeof this.files === "object") {
// Some newer browsers will let us fetch the files for preview.
for (i = 0; i < this.files.length; i++) {
SN.U.PreviewAttach(form, this.files[i]);
}
}
});
},
/**
* Get PHP's MAX_FILE_SIZE setting for this form;
* used to apply client-side file size limit checks.
*
* @param {jQuery} form
* @return int max size in bytes; 0 or negative means no limit
*/
maxFileSize: function (form) {
var max = $(form).find('input[name=MAX_FILE_SIZE]').attr('value');
if (max) {
return parseInt(max);
}
return 0;
},
/**
* For browsers with FileAPI support: make a thumbnail if possible,
* and append it into the attachment display widget.
*
* Known good:
* - Firefox 3.6.6, 4.0b7
* - Chrome 8.0.552.210
*
* Known ok metadata, can't get contents:
* - Safari 5.0.2
*
* Known fail:
* - Opera 10.63, 11 beta (no input.files interface)
*
* @param {jQuery} form
* @param {File} file
*
* @todo use configured thumbnail size
* @todo detect pixel size?
* @todo should we render a thumbnail to a canvas and then use the smaller image?
*/
PreviewAttach: function (form, file) {
var tooltip = file.type + ' ' + Math.round(file.size / 1024) + 'KB';
var preview = true;
var blobAsDataURL;
if (window.createObjectURL !== undefined) {
/**
* createObjectURL lets us reference the file directly from an
* This produces a compact URL with an opaque reference to the file,
* which we can reference immediately.
*
* - Firefox 3.6.6: no
* - Firefox 4.0b7: no
* - Safari 5.0.2: no
* - Chrome 8.0.552.210: works!
*/
blobAsDataURL = function (blob, callback) {
callback(window.createObjectURL(blob));
};
} else if (window.FileReader !== undefined) {
/**
* FileAPI's FileReader can build a data URL from a blob's contents,
* but it must read the file and build it asynchronously. This means
* we'll be passing a giant data URL around, which may be inefficient.
*
* - Firefox 3.6.6: works!
* - Firefox 4.0b7: works!
* - Safari 5.0.2: no
* - Chrome 8.0.552.210: works!
*/
blobAsDataURL = function (blob, callback) {
var reader = new FileReader();
reader.onload = function (event) {
callback(reader.result);
};
reader.readAsDataURL(blob);
};
} else {
preview = false;
}
var imageTypes = ['image/png', 'image/jpeg', 'image/gif', 'image/svg+xml'];
if ($.inArray(file.type, imageTypes) == -1) {
// We probably don't know how to show the file.
preview = false;
}
var maxSize = 8 * 1024 * 1024;
if (file.size > maxSize) {
// Don't kill the browser trying to load some giant image.
preview = false;
}
if (preview) {
blobAsDataURL(file, function (url) {
var img = $('')
.attr('title', tooltip)
.attr('alt', tooltip)
.attr('src', url)
.attr('style', 'height: 120px');
form.find('.attach-status').append(img);
});
} else {
var img = $('').text(tooltip);
form.find('.attach-status').append(img);
}
},
/**
* Setup function -- DOES NOT trigger actions immediately.
*
* Initializes state for the location-lookup features in the
* new-notice form. Seems to set up some event handlers for
* triggering lookups and using the new values.
*
* @param {jQuery} form
*
* @fixme tl;dr
* @fixme there's not good visual state update here, so users have a
* hard time figuring out if it's working or fixing if it's wrong.
*
*/
NoticeLocationAttach: function (form) {
// @fixme this should not be tied to the main notice form, as there may be multiple notice forms...
var NLat = form.find('[name=lat]');
var NLon = form.find('[name=lon]');
var NLNS = form.find('[name=location_ns]').val();
var NLID = form.find('[name=location_id]').val();
var NLN = ''; // @fixme
var NDGe = form.find('[name=notice_data-geo]');
var check = form.find('[name=notice_data-geo]');
var label = form.find('label.notice_data-geo');
function removeNoticeDataGeo(error) {
label
.attr('title', $.trim(label.text()))
.removeClass('checked');
form.find('[name=lat]').val('');
form.find('[name=lon]').val('');
form.find('[name=location_ns]').val('');
form.find('[name=location_id]').val('');
form.find('[name=notice_data-geo]').prop('checked', false);
$.cookie(SN.C.S.NoticeDataGeoCookie, 'disabled', { path: '/' });
if (error) {
form.find('.geo_status_wrapper').removeClass('success').addClass('error');
form.find('.geo_status_wrapper .geo_status').text(error);
} else {
form.find('.geo_status_wrapper').remove();
}
}
function getJSONgeocodeURL(geocodeURL, data) {
SN.U.NoticeGeoStatus(form, 'Looking up place name...');
$.getJSON(geocodeURL, data, function (location) {
var lns, lid, NLN_text;
if (location.location_ns !== undefined) {
form.find('[name=location_ns]').val(location.location_ns);
lns = location.location_ns;
}
if (location.location_id !== undefined) {
form.find('[name=location_id]').val(location.location_id);
lid = location.location_id;
}
if (location.name === undefined) {
NLN_text = data.lat + ';' + data.lon;
} else {
NLN_text = location.name;
}
SN.U.NoticeGeoStatus(form, NLN_text, data.lat, data.lon, location.url);
label
.attr('title', NoticeDataGeo_text.ShareDisable + ' (' + NLN_text + ')');
form.find('[name=lat]').val(data.lat);
form.find('[name=lon]').val(data.lon);
form.find('[name=location_ns]').val(lns);
form.find('[name=location_id]').val(lid);
form.find('[name=notice_data-geo]').prop('checked', true);
var cookieValue = {
NLat: data.lat,
NLon: data.lon,
NLNS: lns,
NLID: lid,
NLN: NLN_text,
NLNU: location.url,
NDG: true
};
$.cookie(SN.C.S.NoticeDataGeoCookie, JSON.stringify(cookieValue), { path: '/' });
});
}
if (check.length > 0) {
if ($.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
check.prop('checked', false);
} else {
check.prop('checked', true);
}
var NGW = form.find('.notice_data-geo_wrap');
var geocodeURL = NGW.attr('data-api');
label.attr('title', label.text());
check.change(function () {
if (check.prop('checked') === true || $.cookie(SN.C.S.NoticeDataGeoCookie) === null) {
label
.attr('title', NoticeDataGeo_text.ShareDisable)
.addClass('checked');
if ($.cookie(SN.C.S.NoticeDataGeoCookie) === null || $.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
if (navigator.geolocation) {
SN.U.NoticeGeoStatus(form, 'Requesting location from browser...');
navigator.geolocation.getCurrentPosition(
function (position) {
form.find('[name=lat]').val(position.coords.latitude);
form.find('[name=lon]').val(position.coords.longitude);
var data = {
lat: position.coords.latitude,
lon: position.coords.longitude,
token: $('#token').val()
};
getJSONgeocodeURL(geocodeURL, data);
},
function (error) {
switch(error.code) {
case error.PERMISSION_DENIED:
removeNoticeDataGeo('Location permission denied.');
break;
case error.TIMEOUT:
//$('#' + SN.C.S.NoticeDataGeo).prop('checked', false);
removeNoticeDataGeo('Location lookup timeout.');
break;
}
},
{
timeout: 10000
}
);
} else {
if (NLat.length > 0 && NLon.length > 0) {
var data = {
lat: NLat,
lon: NLon,
token: $('#token').val()
};
getJSONgeocodeURL(geocodeURL, data);
} else {
removeNoticeDataGeo();
check.remove();
label.remove();
}
}
} else {
try {
var cookieValue = JSON.parse($.cookie(SN.C.S.NoticeDataGeoCookie));
form.find('[name=lat]').val(cookieValue.NLat);
form.find('[name=lon]').val(cookieValue.NLon);
form.find('[name=location_ns]').val(cookieValue.NLNS);
form.find('[name=location_id]').val(cookieValue.NLID);
form.find('[name=notice_data-geo]').prop('checked', cookieValue.NDG);
SN.U.NoticeGeoStatus(form, cookieValue.NLN, cookieValue.NLat, cookieValue.NLon, cookieValue.NLNU);
label
.attr('title', NoticeDataGeo_text.ShareDisable + ' (' + cookieValue.NLN + ')')
.addClass('checked');
} catch (e) {
console.log('Parsing error:', e);
}
}
} else {
removeNoticeDataGeo();
}
}).change();
}
},
/**
* Create or update a geolocation status widget in this notice posting form.
*
* @param {jQuery} form
* @param {String} status
* @param {String} lat (optional)
* @param {String} lon (optional)
* @param {String} url (optional)
*/
NoticeGeoStatus: function (form, status, lat, lon, url)
{
var wrapper = form.find('.geo_status_wrapper');
if (wrapper.length == 0) {
wrapper = $('
');
wrapper.find('button.close').click(function () {
form.find('[name=notice_data-geo]').prop('checked', false).change();
return false;
});
form.append(wrapper);
}
var label;
if (url) {
label = $('').attr('href', url);
} else {
label = $('');
}
label.text(status);
if (lat || lon) {
var latlon = lat + ';' + lon;
label.attr('title', latlon);
if (!status) {
label.text(latlon)
}
}
wrapper.find('.geo_status').empty().append(label);
},
/**
* Setup function -- DOES NOT trigger actions immediately.
*
* Initializes event handlers for the "Send direct message" link on
* profile pages, setting it up to display a dialog box when clicked.
*
* Unlike the repeat confirmation form, this appears to fetch
* the form _from the original link target_, so the form itself
* doesn't need to be in the current document.
*
* @fixme breaks ability to open link in new window?
*/
NewDirectMessage: function () {
NDM = $('.entity_send-a-message a');
NDM.attr({'href': NDM.attr('href') + '&ajax=1'});
NDM.on('click', function () {
var NDMF = $('.entity_send-a-message form');
if (NDMF.length === 0) {
$(this).addClass(SN.C.S.Processing);
$.get(NDM.attr('href'), null, function (data) {
$('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
NDMF = $('.entity_send-a-message .form_notice');
SN.U.FormNoticeXHR(NDMF);
SN.U.FormNoticeEnhancements(NDMF);
NDMF.append('');
$('.entity_send-a-message button').click(function () {
NDMF.hide();
return false;
});
NDM.removeClass(SN.C.S.Processing);
});
} else {
NDMF.show();
$('.entity_send-a-message textarea').focus();
}
return false;
});
},
/**
* Return a date object with the current local time on the
* given year, month, and day.
*
* @param {number} year: 4-digit year
* @param {number} month: 0 == January
* @param {number} day: 1 == 1
* @return {Date}
*/
GetFullYear: function (year, month, day) {
var date = new Date();
date.setFullYear(year, month, day);
return date;
},
/**
* Some sort of object interface for storing some structured
* information in a cookie.
*
* Appears to be used to save the last-used login nickname?
* That's something that browsers usually take care of for us
* these days, do we really need to do it? Does anything else
* use this interface?
*
* @fixme what is this?
* @fixme should this use non-cookie local storage when available?
*/
StatusNetInstance: {
/**
* @fixme what is this?
*/
Set: function (value) {
var SNI = SN.U.StatusNetInstance.Get();
if (SNI !== null) {
value = $.extend(SNI, value);
}
$.cookie(
SN.C.S.StatusNetInstance,
JSON.stringify(value),
{
path: '/',
expires: SN.U.GetFullYear(2029, 0, 1)
});
},
/**
* @fixme what is this?
*/
Get: function () {
var cookieValue = $.cookie(SN.C.S.StatusNetInstance);
if (cookieValue !== undefined) {
return JSON.parse(cookieValue);
}
return null;
},
/**
* @fixme what is this?
*/
Delete: function () {
$.cookie(SN.C.S.StatusNetInstance, null);
}
},
/**
* Check if the current page is a timeline where the current user's
* posts should be displayed immediately on success.
*
* @fixme this should be done in a saner way, with machine-readable
* info about what page we're looking at.
*
* @param {DOMElement} notice: HTML chunk with formatted notice
* @return boolean
*/
belongsOnTimeline: function (notice) {
var action = $("body").attr('id');
if (action == 'public') {
return true;
}
var profileLink = $('#nav_profile a').attr('href');
if (profileLink) {
var authorUrl = $(notice).find('.h-card.p-author').attr('href');
if (authorUrl == profileLink) {
if (action == 'all' || action == 'showstream') {
// Posts always show on your own friends and profile streams.
return true;
}
}
}
// @fixme tag, group, reply timelines should be feasible as well.
// Mismatch between id-based and name-based user/group links currently complicates
// the lookup, since all our inline mentions contain the absolute links but the
// UI links currently on the page use malleable names.
return false;
},
/**
* Switch to another active input sub-form.
* This will hide the current form (if any), show the new one, and
* update the input type tab selection state.
*
* @param {String} tag
*/
switchInputFormTab: function (tag, setFocus) {
if (typeof setFocus === 'undefined') { setFocus = true; }
// The one that's current isn't current anymore
$('.input_form_nav_tab.current').removeClass('current');
if (tag != null) {
$('#input_form_nav_' + tag).addClass('current');
}
// Don't remove 'current' if we also have the "nonav" class.
// An example would be the message input form. removing
// 'current' will cause the form to vanish from the page.
var nonav = $('.input_form.current.nonav');
if (nonav.length > 0) {
return;
}
$('.input_form.current').removeClass('current');
if (tag == null) {
// we're done here, no new inputform to focus on
return false;
}
var noticeForm = $('#input_form_' + tag)
.addClass('current')
.find('.ajax-notice').each(function () {
var form = $(this);
SN.Init.NoticeFormSetup(form);
});
if (setFocus) {
noticeForm.find('.notice_data-text').focus();
}
return false;
},
showMoreMenuItems: function (menuid) {
$('#' + menuid + ' .more_link').remove();
var selector = '#' + menuid + ' .extended_menu';
var extended = $(selector);
extended.removeClass('extended_menu');
return void(0);
}
},
Init: {
/**
* If user is logged in, run setup code for the new notice form:
*
* - char counter
* - AJAX submission
* - location events
* - file upload events
*/
NoticeForm: function () {
if ($('body.user_in').length > 0) {
// SN.Init.NoticeFormSetup() will get run
// when forms get displayed for the first time...
// Initialize the input form field
$('#input_form_nav .input_form_nav_tab.current').each(function () {
current_tab_id = $(this).attr('id').substring('input_form_nav_'.length);
SN.U.switchInputFormTab(current_tab_id, false);
});
// Make inline reply forms self-close when clicking out.
$('body').on('click', function (e) {
var openReplies = $('li.notice-reply');
if (openReplies.length > 0) {
var target = $(e.target);
openReplies.each(function () {
// Did we click outside this one?
var replyItem = $(this);
if (replyItem.has(e.target).length == 0) {
var textarea = replyItem.find('.notice_data-text:first');
var cur = $.trim(textarea.val());
// Only close if there's been no edit.
if (cur == '' || cur == textarea.data('initialText')) {
var parentNotice = replyItem.closest('li.notice');
replyItem.hide();
parentNotice.find('li.notice-reply-placeholder').show();
}
}
});
}
});
// Infield labels for notice form inputs.
$('.input_forms fieldset fieldset label').inFieldLabels({ fadeOpacity:0 });
}
},
/**
* Encapsulate notice form setup for a single form.
* Plugins can add extra setup by monkeypatching this
* function.
*
* @param {jQuery} form
*/
NoticeFormSetup: function (form) {
if (form.data('NoticeFormSetup')) {
return false;
}
SN.U.NoticeLocationAttach(form);
SN.U.FormNoticeXHR(form);
SN.U.FormNoticeEnhancements(form);
SN.U.NoticeDataAttach(form);
form.data('NoticeFormSetup', true);
},
/**
* Run setup code for notice timeline views items:
*
* - AJAX submission for fave/repeat/reply (if logged in)
* - Attachment link extras ('more' links)
*/
Notices: function () {
if ($('body.user_in').length > 0) {
SN.U.NoticeRepeat();
SN.U.NoticeReply();
SN.U.NoticeInlineReplySetup();
}
SN.U.NoticeAttachments();
},
/**
* Run setup code for user & group profile page header area if logged in:
*
* - AJAX submission for sub/unsub/join/leave/nudge
* - AJAX form popup for direct-message
*/
EntityActions: function () {
if ($('body.user_in').length > 0) {
$(document).on('click', '.form_user_subscribe', function () { SN.U.FormXHR($(this)); return false; });
$(document).on('click', '.form_user_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
$(document).on('click', '.form_group_join', function () { SN.U.FormXHR($(this)); return false; });
$(document).on('click', '.form_group_leave', function () { SN.U.FormXHR($(this)); return false; });
$(document).on('click', '.form_user_nudge', function () { SN.U.FormXHR($(this)); return false; });
$(document).on('click', '.form_peopletag_subscribe', function () { SN.U.FormXHR($(this)); return false; });
$(document).on('click', '.form_peopletag_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
$(document).on('click', '.form_user_add_peopletag', function () { SN.U.FormXHR($(this)); return false; });
$(document).on('click', '.form_user_remove_peopletag', function () { SN.U.FormXHR($(this)); return false; });
SN.U.NewDirectMessage();
}
},
ProfileSearch: function () {
if ($('body.user_in').length > 0) {
$(document).on('click', '.form_peopletag_edit_user_search input.submit', function () {
SN.U.FormProfileSearchXHR($(this).parents('form')); return false;
});
}
},
/**
* Run setup code for login form:
*
* - loads saved last-used-nickname from cookie
* - sets event handler to save nickname to cookie on submit
*
* @fixme is this necessary? Browsers do their own form saving these days.
*/
Login: function () {
if (SN.U.StatusNetInstance.Get() !== null) {
var nickname = SN.U.StatusNetInstance.Get().Nickname;
if (nickname !== null) {
$('#form_login #nickname').val(nickname);
}
}
$('#form_login').on('submit', function () {
SN.U.StatusNetInstance.Set({Nickname: $('#form_login #nickname').val()});
return true;
});
},
/**
* Run setup for the ajax people tags editor
*
* - show edit button
* - set event handle for click on edit button
* - loads people tag autocompletion data if not already present
* or if it is stale.
*
*/
PeopleTags: function () {
$('.user_profile_tags .editable').append($(''));
$(document).on('click', '.peopletags_edit_button', function () {
var form = $(this).parents('dd').eq(0).find('form');
// We can buy time from the above animation
$.ajax({
url: _peopletagAC,
dataType: 'json',
data: {token: $('#token').val()},
ifModified: true,
success: function (data) {
// item.label is used to match
for (i=0; i < data.length; i++) {
data[i].label = data[i].tag;
}
SN.C.PtagACData = data;
}
});
$(this).parents('ul').eq(0).fadeOut(200, function () {form.fadeIn(200).find('input#tags')});
});
$(document).on('click', '.user_profile_tags form .submit', function () {
SN.U.FormPeopletagsXHR($(this).parents('form')); return false;
});
},
/**
* Set up any generic 'ajax' form so it submits via AJAX with auto-replacement.
*/
AjaxForms: function () {
$(document).on('submit', 'form.ajax', function () {
SN.U.FormXHR($(this));
return false;
});
$(document).on('click', 'form.ajax input[type=submit]', function () {
// Some forms rely on knowing which submit button was clicked.
// Save a hidden input field which'll be picked up during AJAX
// submit...
var button = $(this);
var form = button.closest('form');
form.find('.hidden-submit-button').remove();
$('')
.attr('name', button.attr('name'))
.val(button.val())
.appendTo(form);
});
},
/**
* Add logic to any file upload forms to handle file size limits,
* on browsers that support basic FileAPI.
*/
UploadForms: function () {
$('input[type=file]').change(function (event) {
if (typeof this.files === "object" && this.files.length > 0) {
var size = 0;
for (var i = 0; i < this.files.length; i++) {
size += this.files[i].size;
}
var max = SN.U.maxFileSize($(this.form));
if (max > 0 && size > max) {
var msg = 'File too large: maximum upload size is %d bytes.';
alert(msg.replace('%d', max));
// Clear the files.
$(this).val('');
event.preventDefault();
return false;
}
}
});
},
CheckBoxes: function () {
$("span[class='checkbox-wrapper']").addClass("unchecked");
$(".checkbox-wrapper").click(function () {
if ($(this).children("input").prop("checked")) {
// uncheck
$(this).children("input").prop("checked", false);
$(this).removeClass("checked");
$(this).addClass("unchecked");
$(this).children("label").text("Private?");
} else {
// check
$(this).children("input").prop("checked", true);
$(this).removeClass("unchecked");
$(this).addClass("checked");
$(this).children("label").text("Private");
}
});
}
}
};
/**
* Run initialization functions on DOM-ready.
*
* Note that if we're waiting on other scripts to load, this won't happen
* until that's done. To load scripts asynchronously without delaying setup,
* don't start them loading until after DOM-ready time!
*/
$(function () {
SN.Init.AjaxForms();
SN.Init.UploadForms();
SN.Init.CheckBoxes();
if ($('.' + SN.C.S.FormNotice).length > 0) {
SN.Init.NoticeForm();
}
if ($('#content .notices').length > 0) {
SN.Init.Notices();
}
if ($('#content .entity_actions').length > 0) {
SN.Init.EntityActions();
}
if ($('#form_login').length > 0) {
SN.Init.Login();
}
if ($('#profile_search_results').length > 0) {
SN.Init.ProfileSearch();
}
if ($('.user_profile_tags .editable').length > 0) {
SN.Init.PeopleTags();
}
});