You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

612 lines
17 KiB
JavaScript

define(['taskbar'], function(taskbar) {
var composer = {
active: undefined,
posts: {}
};
function allowed() {
if(!(parseInt(app.uid, 10) > 0 || config.allowGuestPosting)) {
app.alert({
type: 'danger',
timeout: 5000,
alert_id: 'post_error',
title: 'Please Log In to Post',
message: 'Posting is currently restricted to registered members only, click here to log in',
clickfn: function() {
ajaxify.go('login');
}
});
return false;
}
return true;
}
composer.newTopic = function(cid) {
if(allowed()) {
push({
cid: cid,
title: '',
body: '',
modified: false
});
}
}
composer.addQuote = function(tid,pid, title,username, text){
if (allowed()) {
var uuid = composer.active;
if(uuid !== undefined){
var bodyEl = $('#cmp-uuid-'+uuid).find('textarea');
var prevText = bodyEl.val();
if(tid !== composer.posts[uuid].tid) {
text = '\n'+username + ' said in ['+title+'](/topic/'+tid+'#'+pid+'):\n'+text;
}else {
text ='\n'+ username + ' said:\n' + text;
}
composer.posts[uuid].body = prevText + text;
bodyEl.val(composer.posts[uuid].body);
}else{
composer.newReply(tid,title,username + ' said:\n' + text);
}
}
};
composer.newReply = function(tid, title, text) {
if(allowed()) {
push({
tid: tid,
title: title,
body: text,
modified: false
});
}
}
composer.editPost = function(pid) {
if(allowed()) {
socket.emit('modules.composer.push', pid, function(err, threadData) {
if(err) {
return app.alertError(err.message);
}
push({
pid: pid,
title: threadData.title,
body: threadData.body,
modified: false
});
});
}
}
function push(post) {
var uuid = utils.generateUUID();
taskbar.push('composer', uuid, {
title: post.title ? post.title : 'New Topic',
icon: post.picture
});
composer.posts[uuid] = post;
composer.load(uuid);
}
composer.load = function(post_uuid) {
if($('#cmp-uuid-' + post_uuid).length) {
composer.activateReposition(post_uuid);
} else {
composer.createNewComposer(post_uuid);
}
}
composer.createNewComposer = function(post_uuid) {
templates.preload_template('composer', function() {
var composerTemplate = templates['composer'].parse({});
composerTemplate = $(composerTemplate);
composerTemplate.attr('id', 'cmp-uuid-' + post_uuid);
$(document.body).append(composerTemplate);
composer.activateReposition(post_uuid);
var postContainer = $(composerTemplate[0]);
if(config.allowFileUploads || config.imgurClientIDSet) {
initializeFileReader(post_uuid);
}
var postData = composer.posts[post_uuid],
titleEl = postContainer.find('.title'),
bodyEl = postContainer.find('textarea');
if (parseInt(postData.tid) > 0) {
titleEl.val('Replying to: ' + postData.title);
titleEl.prop('disabled', true);
} else if (parseInt(postData.pid) > 0) {
titleEl.val(postData.title);
titleEl.prop('disabled', true);
socket.emit('modules.composer.editCheck', postData.pid, function(err, editCheck) {
if (!err && editCheck.titleEditable) {
titleEl.prop('disabled', false);
}
});
} else {
titleEl.val(postData.title);
titleEl.prop('disabled', false);
}
bodyEl.val(postData.body);
postContainer.on('change', 'input, textarea', function() {
composer.posts[post_uuid].modified = true;
});
postContainer.on('click', '.action-bar button', function() {
var action = $(this).attr('data-action');
switch(action) {
case 'post':
composer.post(post_uuid);
break;
case 'discard':
if (composer.posts[post_uuid].modified) {
bootbox.confirm('Are you sure you wish to discard this post?', function(discard) {
if (discard) {
composer.discard(post_uuid);
}
});
} else {
composer.discard(post_uuid);
}
break;
}
});
postContainer.on('click', '.formatting-bar span', function() {
var postContentEl = postContainer.find('textarea'),
iconClass = $(this).find('i').attr('class'),
cursorEnd = postContentEl.val().length,
selectionStart = postContentEl[0].selectionStart,
selectionEnd = postContentEl[0].selectionEnd,
selectionLength = selectionEnd - selectionStart;
function insertIntoInput(element, value) {
var start = postContentEl[0].selectionStart;
element.val(element.val().slice(0, start) + value + element.val().slice(start, element.val().length));
postContentEl[0].selectionStart = postContentEl[0].selectionEnd = start + value.length;
}
switch(iconClass) {
case 'fa fa-bold':
if (selectionStart === selectionEnd) {
// Nothing selected
insertIntoInput(postContentEl, "**bolded text**");
} else {
// Text selected
postContentEl.val(postContentEl.val().slice(0, selectionStart) + '**' + postContentEl.val().slice(selectionStart, selectionEnd) + '**' + postContentEl.val().slice(selectionEnd));
postContentEl[0].selectionStart = selectionStart + 2;
postContentEl[0].selectionEnd = selectionEnd + 2;
}
break;
case 'fa fa-italic':
if (selectionStart === selectionEnd) {
// Nothing selected
insertIntoInput(postContentEl, "*italicised text*");
} else {
// Text selected
postContentEl.val(postContentEl.val().slice(0, selectionStart) + '*' + postContentEl.val().slice(selectionStart, selectionEnd) + '*' + postContentEl.val().slice(selectionEnd));
postContentEl[0].selectionStart = selectionStart + 1;
postContentEl[0].selectionEnd = selectionEnd + 1;
}
break;
case 'fa fa-list':
// Nothing selected
insertIntoInput(postContentEl, "\n\n* list item");
break;
case 'fa fa-link':
if (selectionStart === selectionEnd) {
// Nothing selected
insertIntoInput(postContentEl, "[link text](link url)");
} else {
// Text selected
postContentEl.val(postContentEl.val().slice(0, selectionStart) + '[' + postContentEl.val().slice(selectionStart, selectionEnd) + '](link url)' + postContentEl.val().slice(selectionEnd));
postContentEl[0].selectionStart = selectionStart + selectionLength + 3;
postContentEl[0].selectionEnd = selectionEnd + 11;
}
break;
}
});
postContainer.on('click', '.formatting-bar span .fa-picture-o, .formatting-bar span .fa-upload', function() {
$('#files').click();
});
$('#files').on('change', function(e) {
var files = e.target.files;
if(files) {
for (var i=0; i<files.length; i++) {
loadFile(post_uuid, files[i]);
}
}
$('#fileForm')[0].reset();
});
postContainer.find('.nav-tabs a').click(function (e) {
e.preventDefault();
$(this).tab('show');
var selector = $(this).attr('data-pane');
postContainer.find('.tab-content div').removeClass('active');
postContainer.find(selector).addClass('active');
return false;
});
bodyEl.on('blur', function() {
socket.emit('modules.composer.renderPreview', bodyEl.val(), function(err, preview) {
postContainer.find('.preview').html(preview);
});
});
var resizeActive = false,
resizeCenterY = 0,
resizeOffset = 0,
resizeStart = function(e) {
resizeRect = resizeEl.getBoundingClientRect();
resizeCenterY = resizeRect.top + (resizeRect.height/2);
resizeOffset = resizeCenterY - e.clientY;
resizeActive = true;
$(window).on('mousemove', resizeAction);
$(window).on('mouseup', resizeStop);
document.body.addEventListener('touchmove', resizeTouchAction);
},
resizeStop = function() {
resizeActive = false;
$(window).off('mousemove', resizeAction);
$(window).off('mouseup', resizeStop);
document.body.removeEventListener('touchmove', resizeTouchAction);
},
resizeTouchAction = function(e) {
e.preventDefault();
resizeAction(e.touches[0]);
},
resizeAction = function(e) {
if (resizeActive) {
position = (e.clientY + resizeOffset);
var newHeight = $(window).height() - position;
if(newHeight > $(window).height() - $('#header-menu').height() - 20) {
newHeight = $(window).height() - $('#header-menu').height() - 20;
}
postContainer.css('height', newHeight);
$('body').css({'margin-bottom': newHeight});
resizeSavePosition(newHeight);
}
e.preventDefault();
return false;
},
resizeSavePosition = function(px) {
var percentage = px / $(window).height();
localStorage.setItem('composer:resizePercentage', percentage);
},
resizeRect;
var resizeEl = postContainer.find('.resizer')[0];
resizeEl.addEventListener('mousedown', resizeStart);
resizeEl.addEventListener('touchstart', function(e) {
e.preventDefault();
resizeStart(e.touches[0]);
});
resizeEl.addEventListener('touchend', function(e) {
e.preventDefault();
resizeStop();
});
// .on('mousedown touchstart', resizeStart)
// .on('mouseup touchend', resizeStop)
window.addEventListener('resize', function() {
if (composer.active !== undefined) {
composer.activateReposition(composer.active);
}
});
});
}
//http://stackoverflow.com/questions/14441456/how-to-detect-which-device-view-youre-on-using-twitter-bootstrap-api
function findBootstrapEnvironment() {
var envs = ['xs', 'sm', 'md', 'lg'];
$el = $('<div>');
$el.appendTo($('body'));
for (var i = envs.length - 1; i >= 0; i--) {
var env = envs[i];
$el.addClass('hidden-'+env);
if ($el.is(':hidden')) {
$el.remove();
return env;
}
}
}
composer.activateReposition = function(post_uuid) {
if(composer.active && composer.active !== post_uuid) {
composer.minimize(composer.active);
}
var percentage = localStorage.getItem('composer:resizePercentage'),
bodyRect = document.body.getBoundingClientRect(),
postContainer = $('#cmp-uuid-' + post_uuid);
composer.active = post_uuid;
var env = findBootstrapEnvironment();
if (percentage) {
if ( env === 'md' || env === 'lg') {
postContainer.css('height', Math.floor($(window).height() * percentage) + 'px');
}
}
if(env === 'sm' || env === 'xs') {
postContainer.css('height', $(window).height() - $('#header-menu').height());
}
if(config.imgurClientIDSet) {
if(env === 'md' || env === 'lg') {
postContainer.find('.upload-instructions').removeClass('hide');
}
postContainer.find('.img-upload-btn').removeClass('hide');
}
if(config.allowFileUploads) {
postContainer.find('.file-upload-btn').removeClass('hide');
}
postContainer.css('visibility', 'visible')
.css('z-index', 2);
$('body').css({'margin-bottom': postContainer.css('height')});
composer.focusElements(post_uuid);
}
composer.focusElements = function(post_uuid) {
var postContainer = $('#cmp-uuid-' + post_uuid),
postData = composer.posts[post_uuid],
titleEl = postContainer.find('.title'),
bodyEl = postContainer.find('textarea');
if ((parseInt(postData.tid) || parseInt(postData.pid)) > 0) {
bodyEl.focus();
bodyEl.selectionStart = bodyEl.val().length;
bodyEl.selectionEnd = bodyEl.val().length;
} else if (parseInt(postData.cid) > 0) {
titleEl.focus();
}
}
composer.post = function(post_uuid) {
var postData = composer.posts[post_uuid],
postContainer = $('#cmp-uuid-' + post_uuid),
titleEl = postContainer.find('.title'),
bodyEl = postContainer.find('textarea');
titleEl.val(titleEl.val().trim());
bodyEl.val(bodyEl.val().trim());
var checkTitle = parseInt(postData.cid, 10) || parseInt(postData.pid, 10);
if(postData.uploadsInProgress && postData.uploadsInProgress.length) {
return composerAlert('Still uploading', 'Please wait for uploads to complete.');
} else if (checkTitle && titleEl.val().length < parseInt(config.minimumTitleLength, 10)) {
return composerAlert('Title too short', 'Please enter a longer title. At least ' + config.minimumTitleLength+ ' characters.');
} else if (checkTitle && titleEl.val().length > parseInt(config.maximumTitleLength, 10)) {
return composerAlert('Title too long', 'Please enter a shorter title. Titles can\'t be longer than ' + config.maximumTitleLength + ' characters.');
} else if (bodyEl.val().length < parseInt(config.minimumPostLength, 10)) {
return composerAlert('Content too short', 'Please enter a longer post. At least ' + config.minimumPostLength + ' characters.');
}
if (parseInt(postData.cid, 10) > 0) {
socket.emit('topics.post', {
'title' : titleEl.val(),
'content' : bodyEl.val(),
'category_id' : postData.cid
}, function(err) {
if(!err) {
composer.discard(post_uuid);
}
});
} else if (parseInt(postData.tid, 10) > 0) {
socket.emit('posts.reply', {
'topic_id' : postData.tid,
'content' : bodyEl.val()
}, function(err) {
if(!err) {
composer.discard(post_uuid);
}
});
} else if (parseInt(postData.pid, 10) > 0) {
socket.emit('posts.edit', {
pid: postData.pid,
content: bodyEl.val(),
title: titleEl.val()
}, function(err) {
if(!err) {
composer.discard(post_uuid);
}
});
}
}
function composerAlert(title, message) {
app.alert({
type: 'danger',
timeout: 2000,
title: title,
message: message,
alert_id: 'post_error'
});
}
composer.discard = function(post_uuid) {
if (composer.posts[post_uuid]) {
$('#cmp-uuid-' + post_uuid).remove();
delete composer.posts[post_uuid];
composer.active = undefined;
taskbar.discard('composer', post_uuid);
$('body').css({'margin-bottom': 0});
}
}
composer.minimize = function(post_uuid) {
var postContainer = $('#cmp-uuid-' + post_uuid);
postContainer.css('visibility', 'hidden');
composer.active = undefined;
taskbar.minimize('composer', post_uuid);
}
function initializeFileReader(post_uuid) {
if(jQuery.event.props.indexOf('dataTransfer') === -1) {
jQuery.event.props.push('dataTransfer');
}
var draggingDocument = false;
if(window.FileReader) {
var postContainer = $('#cmp-uuid-' + post_uuid),
drop = postContainer.find('.imagedrop'),
tabContent = postContainer.find('.tab-content'),
textarea = postContainer.find('textarea');
$(document).off('dragstart').on('dragstart', function(e) {
draggingDocument = true;
}).off('dragend').on('dragend', function(e) {
draggingDocument = false;
});
textarea.on('dragenter', function(e) {
if(draggingDocument) {
return;
}
drop.css('top', tabContent.position().top + 'px');
drop.css('height', textarea.height());
drop.css('line-height', textarea.height() + 'px');
drop.show();
drop.on('dragleave', function(ev) {
drop.hide();
drop.off('dragleave');
});
});
function cancel(e) {
e.preventDefault();
return false;
}
drop.on('dragover', cancel);
drop.on('dragenter', cancel);
drop.on('drop', function(e) {
e.preventDefault();
var dt = e.dataTransfer,
files = dt.files;
for (var i=0; i<files.length; i++) {
loadFile(post_uuid, files[i]);
}
if(!files.length) {
drop.hide();
}
return false;
});
$(window).off('paste').on('paste', function(event) {
var items = (event.clipboardData || event.originalEvent.clipboardData).items;
if(items && items.length) {
var blob = items[0].getAsFile();
loadFile(post_uuid, blob);
}
});
}
}
function loadFile(post_uuid, file) {
var reader = new FileReader(),
dropDiv = $('#cmp-uuid-' + post_uuid).find('.imagedrop');
$(reader).on('loadend', function(e) {
var regex = /^data:.*;base64,(.*)$/;
var matches = this.result.match(regex);
var fileData = {
name: file.name || '',
data: matches[1]
};
dropDiv.hide();
if(file.type.match('image.*')) {
uploadFile('posts.uploadImage', post_uuid, fileData);
} else {
if(file.size > parseInt(config.maximumFileSize, 10) * 1024) {
return composerAlert('File too big', 'Maximum allowed file size is ' + config.maximumFileSize + 'kbs');
}
uploadFile('posts.uploadFile', post_uuid, fileData);
}
});
reader.readAsDataURL(file);
}
function uploadFile(method, post_uuid, img) {
var linkStart = method === 'posts.uploadImage' ? '!' : '',
postContainer = $('#cmp-uuid-' + post_uuid),
textarea = postContainer.find('textarea'),
text = textarea.val(),
imgText = linkStart + '[' + img.name + '](uploading...)';
text += imgText;
textarea.val(text + " ");
if(!composer.posts[post_uuid].uploadsInProgress) {
composer.posts[post_uuid].uploadsInProgress = [];
}
composer.posts[post_uuid].uploadsInProgress.push(1);
socket.emit(method, img, function(err, data) {
var currentText = textarea.val();
if(err) {
textarea.val(currentText.replace(imgText, linkStart + '[' + img.name + '](upload error)'));
return app.alertError(err.message);
}
textarea.val(currentText.replace(imgText, linkStart + '[' + data.name + '](' + data.url + ')'));
composer.posts[post_uuid].uploadsInProgress.pop();
});
}
return {
newTopic: composer.newTopic,
newReply: composer.newReply,
addQuote: composer.addQuote,
editPost: composer.editPost,
load: composer.load,
minimize: composer.minimize
};
});