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|
/* Copyright (c) 2010-2012, Diaspora Inc. This file is
* licensed under the Affero General Public License version 3 or later. See
* the COPYRIGHT file.
*/
//= require ./publisher/services_view
//= require ./publisher/aspect_selector_view
//= require ./publisher/aspect_selector_blueprint_view
//= require ./publisher/getting_started_view
//= require ./publisher/uploader_view
//= require jquery.textchange
app.views.Publisher = Backbone.View.extend({
el : "#publisher",
events : {
"keydown #status_message_fake_text" : "keyDown",
"focus textarea" : "open",
"click #hide_publisher" : "clear",
"submit form" : "createStatusMessage",
"click #submit" : "createStatusMessage",
"click .post_preview_button" : "createPostPreview",
"textchange #status_message_fake_text": "handleTextchange",
"click #locator" : "showLocation",
"click #poll_creator" : "togglePollCreator",
"click #hide_location" : "destroyLocation",
"keypress #location_address" : "avoidEnter"
},
initialize : function(opts){
this.standalone = opts ? opts.standalone : false;
this.disabled = false;
// init shortcut references to the various elements
this.el_input = this.$('#status_message_fake_text');
this.el_hiddenInput = this.$('#status_message_text');
this.el_wrapper = this.$('#publisher_textarea_wrapper');
this.el_submit = this.$('input[type=submit], button#submit');
this.el_preview = this.$('button.post_preview_button');
this.el_photozone = this.$('#photodropzone');
// init mentions plugin
Mentions.initialize(this.el_input);
// init autoresize plugin
this.el_input.autoResize({ 'extraSpace' : 10, 'maxHeight' : Infinity });
// sync textarea content
if( this.el_hiddenInput.val() == "" ) {
this.el_hiddenInput.val( this.el_input.val() );
}
// hide close and preview buttons, in case publisher is standalone
// (e.g. bookmarklet, mentions popup)
if( this.standalone ) {
this.$('#hide_publisher').hide();
this.el_preview.hide();
}
// this has to be here, otherwise for some reason the callback for the
// textchange event won't be called in Backbone...
this.el_input.bind('textchange', $.noop);
var _this = this
$('body').on('click', function(event){
// if the click event is happened outside the publisher view, then try to close the box
if( _this.el && $(event.target).closest('#publisher').attr('id') != _this.el.id){
_this.tryClose()
}
});
// close publisher on post
this.on('publisher:add', function() {
this.close();
this.showSpinner(true);
});
// open publisher on post error
this.on('publisher:error', function() {
this.open();
this.showSpinner(false);
});
// resetting the poll view
this.on('publisher:sync', function() {
this.view_poll_creator.render();
});
this.initSubviews();
return this;
},
initSubviews: function() {
var form = this.$('.content_creation form');
this.view_services = new app.views.PublisherServices({
el: this.$('#publisher_service_icons'),
input: this.el_input,
form: form
});
this.view_aspect_selector = new app.views.PublisherAspectSelector({
el: this.$('.public_toggle .aspect_dropdown'),
form: form
});
this.view_aspect_selector_blueprint = new app.views.PublisherAspectSelectorBlueprint({
el: this.$('.public_toggle > .dropdown'),
form: form
});
this.view_getting_started = new app.views.PublisherGettingStarted({
el_first_msg: this.el_input,
el_visibility: this.$('.public_toggle > .dropdown'),
el_stream: $('#gs-shim')
});
this.view_uploader = new app.views.PublisherUploader({
el: this.$('#file-upload'),
publisher: this
});
this.view_uploader.on('change', this.checkSubmitAvailability, this);
this.view_poll_creator = new app.views.PublisherPollCreator({
el: this.$('#publisher-poll-creator')
});
this.view_poll_creator.on('change', this.checkSubmitAvailability, this);
this.view_poll_creator.render();
},
// set the selected aspects in the dropdown by their ids
setSelectedAspects: function(ids) {
this.view_aspect_selector.updateAspectsSelector(ids);
this.view_aspect_selector_blueprint.updateAspectsSelector(ids);
},
// inject content into the publisher textarea
setText: function(txt) {
this.el_input.val(txt);
this.el_hiddenInput.val(txt);
this.el_input.trigger('input');
this.handleTextchange();
},
// show the "getting started" popups around the publisher
triggerGettingStarted: function() {
this.view_getting_started.show();
},
createStatusMessage : function(evt) {
this.setButtonsEnabled(false);
var self = this;
if(evt){ evt.preventDefault(); }
// Auto-adding a poll answer always leaves an empty box when the user starts
// typing in the last box. We'll delete the last one to avoid submitting an
// empty poll answer and failing validation.
this.view_poll_creator.removeLastAnswer();
//add missing mentions at end of post:
this.handleTextchange();
var serializedForm = $(evt.target).closest("form").serializeObject();
// disable input while posting, must be after the form is serialized
this.setInputEnabled(false);
// lulz this code should be killed.
var statusMessage = new app.models.Post();
if( app.publisher ) app.publisher.trigger('publisher:add');
statusMessage.save({
"status_message" : {
"text" : serializedForm["status_message[text]"]
},
"aspect_ids" : serializedForm["aspect_ids[]"],
"photos" : serializedForm["photos[]"],
"services" : serializedForm["services[]"],
"location_address" : $("#location_address").val(),
"location_coords" : serializedForm["location[coords]"],
"poll_question" : serializedForm["poll_question"],
"poll_answers" : serializedForm["poll_answers[]"]
}, {
url : "/status_messages",
success : function() {
if( app.publisher ) {
app.publisher.$el.trigger('ajax:success');
app.publisher.trigger('publisher:sync');
self.view_poll_creator.trigger('publisher:sync');
}
if(app.stream) app.stream.addNow(statusMessage.toJSON());
// clear state
self.clear();
// standalone means single-shot posting (until further notice)
if( self.standalone ) self.setEnabled(false);
},
error: function(model, resp, options) {
if( app.publisher ) app.publisher.trigger('publisher:error');
self.setInputEnabled(true);
Diaspora.page.flashMessages.render({ 'success':false, 'notice':resp.responseText });
self.setButtonsEnabled(true);
self.setInputEnabled(true);
}
});
},
// creates the location
showLocation: function(){
if($('#location').length == 0){
$('#location_container').append('<div id="location"></div>');
this.el_wrapper.addClass('with_location');
this.view_locator = new app.views.Location();
}
},
// destroys the location
destroyLocation: function(){
if(this.view_locator){
this.view_locator.remove();
this.el_wrapper.removeClass('with_location');
delete this.view_locator;
}
},
togglePollCreator: function(){
this.view_poll_creator.$el.toggle();
this.el_input.focus();
},
// avoid submitting form when pressing Enter key
avoidEnter: function(evt){
if(evt.keyCode == 13)
return false;
},
createPostPreview : function(evt) {
if(evt){ evt.preventDefault(); }
//add missing mentions at end of post:
this.handleTextchange();
var serializedForm = $(evt.target).closest("form").serializeObject();
var photos = new Array();
$('li.publisher_photo img').each(function(){
var file = $(this).attr('src').substring("/uploads/images/".length);
photos.push(
{
"sizes":{
"small" : "/uploads/images/thumb_small_" + file,
"medium" : "/uploads/images/thumb_medium_" + file,
"large" : "/uploads/images/scaled_full_" + file
}
}
);
});
var mentioned_people = new Array();
var regexp = new RegExp("@{\(\[\^\;\]\+\); \(\[\^\}\]\+\)}", "g");
while(user=regexp.exec(serializedForm["status_message[text]"])){
// user[1]: name, user[2]: handle
var mentioned_user = Mentions.contacts.filter(function(item) { return item.handle == user[2];})[0];
if(mentioned_user){
mentioned_people.push({
"id":mentioned_user["id"],
"guid":mentioned_user["guid"],
"name":user[1],
"diaspora_id":user[2],
"avatar":mentioned_user["avatar"]
});
}
}
var date = (new Date()).toISOString();
var poll = undefined;
var poll_question = serializedForm["poll_question"];
var poll_answers_arry = _.flatten([serializedForm["poll_answers[]"]]);
var poll_answers = _.map(poll_answers_arry, function(answer){
if(answer) return { 'answer' : answer };
});
poll_answers = _.without(poll_answers, undefined);
if(poll_question && poll_answers.length) {
poll = {
'question': poll_question,
'poll_answers' : poll_answers,
'participation_count': '0'
};
}
var previewMessage = {
"id" : 0,
"text" : serializedForm["status_message[text]"],
"public" : serializedForm["aspect_ids[]"]=="public",
"created_at" : date,
"interacted_at" : date,
"post_type" : "StatusMessage",
"author" : app.currentUser ? app.currentUser.attributes : {},
"mentioned_people" : mentioned_people,
"photos" : photos,
"frame_name" : "status",
"title" : serializedForm["status_message[text]"],
"address" : $("#location_address").val(),
"interactions" : {"likes":[],"reshares":[],"comments_count":0,"likes_count":0,"reshares_count":0},
'poll': poll,
};
if(app.stream) {
this.removePostPreview();
app.stream.addNow(previewMessage);
this.recentPreview=previewMessage;
this.modifyPostPreview($('.stream_element:first',$('.stream_container')));
}
},
modifyPostPreview : function(post) {
post.addClass('post_preview');
$('.collapsible',post).removeClass('collapsed').addClass('opened');
$('a.delete.remove_post',post).hide();
$('a.like, a.focus_comment_textarea',post).removeAttr("href");
$('a.like',post).addClass("like_preview");
$('a.like',post).removeClass("like");
$('a.focus_comment_textarea',post).addClass("focus_comment_textarea_preview");
$('a.focus_comment_textarea',post).removeClass("focus_comment_textarea");
$('a',$('span.details.grey',post)).removeAttr("href");
},
removePostPreview : function() {
if(app.stream && this.recentPreview){
app.stream.items.remove(this.recentPreview);
delete this.recentPreview;
}
},
keyDown : function(evt) {
if( evt.keyCode == 13 && evt.ctrlKey ) {
this.$("form").submit();
this.open();
return false;
}
},
clear : function() {
// clear text(s)
this.el_input.val('');
this.el_hiddenInput.val('');
// remove mentions
this.el_input.mentionsInput('reset');
// remove photos
this.el_photozone.find('li').remove();
this.$("input[name='photos[]']").remove();
this.el_wrapper.removeClass("with_attachments");
// empty upload-photo
this.$('#fileInfo').empty();
// close publishing area (CSS)
this.close();
// remove preview
this.removePostPreview();
// disable submitting
this.checkSubmitAvailability();
// hide spinner
this.showSpinner(false);
// enable input
this.setInputEnabled(true);
// enable buttons
this.setButtonsEnabled(true);
// clear location
this.destroyLocation();
// clear poll form
this.view_poll_creator.clearInputs();
// force textchange plugin to update lastValue
this.el_input.data('lastValue', '');
this.el_hiddenInput.data('lastValue', '');
return this;
},
tryClose : function(){
// if it is not submittable, close it.
if( !this._submittable() ){
this.close()
}
},
open : function() {
if( this.disabled ) return;
// visually 'open' the publisher
this.$el.removeClass('closed');
this.el_wrapper.addClass('active');
// fetch contacts for mentioning
Mentions.fetchContacts();
return this;
},
close : function() {
$(this.el).addClass("closed");
this.el_wrapper.removeClass("active");
this.el_input.css('height', '');
this.view_poll_creator.$el.hide();
return this;
},
showSpinner: function(bool) {
if (bool)
this.$('#publisher_spinner').removeClass('hidden');
else
this.$('#publisher_spinner').addClass('hidden');
},
checkSubmitAvailability: function() {
if( this._submittable() ) {
this.setButtonsEnabled(true);
} else {
this.setButtonsEnabled(false);
}
},
setEnabled: function(bool) {
this.setInputEnabled(bool);
this.disabled = !bool;
this.handleTextchange();
},
setButtonsEnabled: function(bool) {
bool = !bool;
this.el_submit.prop({disabled: bool});
this.el_preview.prop({disabled: bool});
},
setInputEnabled: function(bool) {
bool = !bool;
this.el_input.prop({disabled: bool});
this.el_hiddenInput.prop({disabled: bool});
},
// determine submit availability
_submittable: function() {
var onlyWhitespaces = ($.trim(this.el_input.val()) === ''),
isPhotoAttached = (this.el_photozone.children().length > 0),
isValidPoll = this.view_poll_creator.validatePoll();
return (!onlyWhitespaces || isPhotoAttached) && isValidPoll && !this.disabled;
},
handleTextchange: function() {
var self = this;
this.checkSubmitAvailability();
this.el_input.mentionsInput("val", function(value){
self.el_hiddenInput.val(value);
});
}
});
// jQuery helper for serializing a <form> into JSON
$.fn.serializeObject = function()
{
var o = {};
var a = this.serializeArray();
$.each(a, function() {
if (o[this.name] !== undefined) {
if (!o[this.name].push) {
o[this.name] = [o[this.name]];
}
o[this.name].push(this.value || '');
} else {
o[this.name] = this.value || '';
}
});
return o;
};
|