diaspora/app/assets/javascripts/app/views/publisher_view.js
2016-03-04 18:02:22 +01:00

527 lines
15 KiB
JavaScript

// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-v3-or-Later
/* 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/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.prefillMention = opts && opts.prefillMention ? opts.prefillMention : undefined;
this.disabled = false;
// init shortcut references to the various elements
this.inputEl = this.$("#status_message_fake_text");
this.hiddenInputEl = this.$("#status_message_text");
this.wrapperEl = this.$("#publisher_textarea_wrapper");
this.submitEl = this.$("input[type=submit], button#submit");
this.previewEl = this.$("button.post_preview_button");
this.photozoneEl = this.$("#photodropzone");
// if there is data in the publisher we ask for a confirmation
// before the user is able to leave the page
$(window).on("beforeunload", _.bind(this._beforeUnload, this));
// sync textarea content
if( this.hiddenInputEl.val() === "" ) {
this.hiddenInputEl.val( this.inputEl.val() );
}
if( this.inputEl.val() === "" ) {
this.inputEl.val( this.hiddenInputEl.val() );
}
// hide close and preview buttons and manage services link
// in case publisher is standalone
// (e.g. bookmarklet, mentions popup)
if( this.standalone ) {
this.$("#hide_publisher").hide();
this.previewEl.hide();
this.$(".question_mark").hide();
}
// this has to be here, otherwise for some reason the callback for the
// textchange event won't be called in Backbone...
this.inputEl.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 && $(event.target).closest("#publisher").attr("id") !== _this.el.id){
_this.tryClose();
}
});
// close publisher on post
this.on("publisher:add", function() {
this.close();
this.showSpinner(true);
});
// open publisher on post error
this.on("publisher:error", function() {
this.open();
this.showSpinner(false);
});
// resetting the poll view
this.on("publisher:sync", function() {
this.viewPollCreator.render();
});
this.initSubviews();
this.checkSubmitAvailability();
return this;
},
initSubviews: function() {
this.mention = new app.views.PublisherMention({ el: this.$("#publisher_textarea_wrapper") });
if(this.prefillMention){
this.mention.prefillMention([this.prefillMention]);
}
var form = this.$(".content_creation form");
this.view_services = new app.views.PublisherServices({
el: this.$("#publisher-service-icons"),
input: this.inputEl,
form: form
});
this.viewAspectSelector = new app.views.PublisherAspectSelector({
el: this.$(".public_toggle .aspect_dropdown"),
form: form
});
this.viewGettingStarted = new app.views.PublisherGettingStarted({
firstMessageEl: this.inputEl,
visibilityEl: this.$(".public_toggle .aspect_dropdown > .dropdown-toggle"),
streamEl: $("#gs-shim")
});
this.viewUploader = new app.views.PublisherUploader({
el: this.$("#file-upload"),
publisher: this
});
this.viewUploader.on("change", this.checkSubmitAvailability, this);
this.viewPollCreator = new app.views.PublisherPollCreator({
el: this.$("#poll_creator_container")
});
this.viewPollCreator.on("change", this.checkSubmitAvailability, this);
this.viewPollCreator.render();
},
// set the selected aspects in the dropdown by their ids
setSelectedAspects: function(ids) {
this.viewAspectSelector.updateAspectsSelector(ids);
},
// inject content into the publisher textarea
setText: function(txt) {
this.inputEl.val(txt);
this.hiddenInputEl.val(txt);
this.prefillText = txt;
this.inputEl.trigger("input");
autosize.update(this.inputEl);
this.handleTextchange();
},
// show the "getting started" popups around the publisher
triggerGettingStarted: function() {
this.viewGettingStarted.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.viewPollCreator.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.viewPollCreator.trigger("publisher:sync");
}
if(app.stream && !self.standalone){
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) {
if( app.publisher ) {
app.publisher.trigger("publisher:error");
}
self.setInputEnabled(true);
app.flashMessages.error(resp.responseText);
self.setButtonsEnabled(true);
self.setInputEnabled(true);
}
});
},
// creates the location
showLocation: function(){
if($("#location").length === 0){
this.$(".location-container").append("<div id=\"location\"></div>");
this.wrapperEl.addClass("with-location");
this.view_locator = new app.views.Location();
}
},
// destroys the location
destroyLocation: function(){
if(this.view_locator){
this.view_locator.remove();
this.wrapperEl.removeClass("with-location");
delete this.view_locator;
}
},
togglePollCreator: function(){
this.viewPollCreator.$el.toggle();
this.inputEl.focus();
},
// avoid submitting form when pressing Enter key
avoidEnter: function(evt){
if(evt.keyCode === 13)
return false;
},
getUploadedPhotos: function() {
var photos = [];
$("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
}
}
);
});
return photos;
},
getPollData: function(serializedForm) {
var poll;
var pollQuestion = serializedForm.poll_question;
var pollAnswersArray = _.flatten([serializedForm["poll_answers[]"]]);
var pollAnswers = _.map(pollAnswersArray, function(answer){
if (answer) {
return { "answer" : answer };
}
});
pollAnswers = _.without(pollAnswers, undefined);
if(pollQuestion && pollAnswers.length) {
poll = {
"question": pollQuestion,
"poll_answers" : pollAnswers,
"participation_count": "0"
};
}
return poll;
},
createPostPreview : function(evt) {
if(evt){ evt.preventDefault(); }
if(!app.stream) { return; }
//add missing mentions at end of post:
this.handleTextchange();
var serializedForm = $(evt.target).closest("form").serializeObject();
var photos = this.getUploadedPhotos();
var mentionedPeople = this.mention.mentionsCollection;
var date = (new Date()).toISOString();
var poll = this.getPollData(serializedForm);
var locationCoords = serializedForm["location[coords]"];
if(!locationCoords || locationCoords === "") {
locationCoords = ["", ""];
} else {
locationCoords = locationCoords.split(",");
}
var location = {
"address": $("#location_address").val(),
"lat": locationCoords[0],
"lng": locationCoords[1]
};
var previewMessage = {
"id" : 0,
"text" : serializedForm["status_message[text]"],
"public" : serializedForm["aspect_ids[]"] === "public",
"created_at" : date,
"interacted_at" : date,
"post_type" : "StatusMessage",
"author" : app.currentUser ? app.currentUser.attributes : {},
"mentioned_people" : mentionedPeople,
"photos" : photos,
"frame_name" : "status",
"title" : serializedForm["status_message[text]"],
"location" : location,
"interactions" : {"likes":[],"reshares":[],"comments_count":0,"likes_count":0,"reshares_count":0},
"poll": poll
};
this.removePostPreview();
app.stream.addNow(previewMessage);
this.recentPreview=previewMessage;
this.modifyPostPreview($(".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")
.removeClass("like");
$("a.focus_comment_textarea",post).addClass("focus_comment_textarea_preview")
.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.$("form").submit();
this.open();
return false;
}
},
clear : function() {
// clear text(s)
this.inputEl.val("");
this.hiddenInputEl.val("");
this.inputEl.trigger("keyup")
.trigger("keydown");
autosize.update(this.inputEl);
// remove mentions
this.mention.reset();
// remove photos
this.photozoneEl.find("li").remove();
this.$("input[name='photos[]']").remove();
this.wrapperEl.removeClass("with_attachments");
// empty upload-photo
this.$("#fileInfo").empty();
// close publishing area (CSS)
this.close();
// remove preview
this.removePostPreview();
// disable submitting
this.checkSubmitAvailability();
// hide spinner
this.showSpinner(false);
// enable input
this.setInputEnabled(true);
// enable buttons
this.setButtonsEnabled(true);
// clear location
this.destroyLocation();
// clear poll form
this.viewPollCreator.clearInputs();
// force textchange plugin to update lastValue
this.inputEl.data("lastValue", "");
this.hiddenInputEl.data("lastValue", "");
return this;
},
tryClose : function(){
// if it is not submittable, close it.
if( !this._submittable() ){
this.close();
}
},
open : function() {
if( this.disabled ) return;
// visually 'open' the publisher
this.$el.removeClass("closed");
this.wrapperEl.addClass("active");
autosize.update(this.inputEl);
return this;
},
close : function() {
$(this.el).addClass("closed");
this.wrapperEl.removeClass("active");
this.inputEl.css("height", "");
this.viewPollCreator.$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) {
if (bool) {
this.submitEl.removeProp("disabled");
this.previewEl.removeProp("disabled");
} else {
this.submitEl.prop("disabled", true);
this.previewEl.prop("disabled", true);
}
},
setInputEnabled: function(bool) {
if (bool) {
this.inputEl.removeProp("disabled");
this.hiddenInputEl.removeProp("disabled");
} else {
this.inputEl.prop("disabled", true);
this.hiddenInputEl.prop("disabled", true);
}
},
// determine submit availability
_submittable: function() {
var onlyWhitespaces = ($.trim(this.inputEl.val()) === ""),
isPhotoAttached = (this.photozoneEl.children().length > 0),
isValidPoll = this.viewPollCreator.validatePoll();
return (!onlyWhitespaces || isPhotoAttached) && isValidPoll && !this.disabled;
},
handleTextchange: function() {
var self = this;
this.checkSubmitAvailability();
this.hiddenInputEl.val(this.mention.getTextForSubmit());
},
_beforeUnload: function(e) {
if(this._submittable() && this.inputEl.val() !== this.prefillText){
var confirmationMessage = Diaspora.I18n.t("confirm_unload");
(e || window.event).returnValue = confirmationMessage; //Gecko + IE
return confirmationMessage; //Webkit, Safari, Chrome, etc.
}
}
});
// 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;
};
// @license-end