/*
* comment-toolbar.js
* - Adds a toolbar above the commenting area containing most of 8Chan's formatting options
* - Press Esc to close quick-reply window when it's in focus
*
* Usage:
* $config['additional_javascript'][] = 'js/jquery.min.js';
* $config['additional_javascript'][] = 'js/comment-toolbar.js';
*/
if (active_page == 'thread' || active_page == 'index') {
var formatText = (function($){
"use strict";
var self = {};
self.rules = {
spoiler: {
text: 'Spoiler',
key: 's',
multiline: false,
exclusiveline: false,
prefix:'**',
suffix:'**'
},
italics: {
text: 'Italics',
key: 'i',
multiline: false,
exclusiveline: false,
prefix: "''",
suffix: "''"
},
bold: {
text: 'Bold',
key: 'b',
multiline: false,
exclusiveline: false,
prefix: "'''",
suffix: "'''"
},
underline: {
text: 'Underline',
key: 'u',
multiline: false,
exclusiveline: false,
prefix:'__',
suffix:'__'
},
code: {
text: 'Code',
key: 'f',
multiline: true,
exclusiveline: false,
prefix: '[code]',
suffix: '[/code]'
},
strike: {
text: 'Strike',
key: 'd',
multiline:false,
exclusiveline:false,
prefix:'~~',
suffix:'~~'
},
heading: {
text: 'Heading',
key: 'r',
multiline:false,
exclusiveline:true,
prefix:'==',
suffix:'=='
}
};
self.toolbar_wrap = function(node) {
if (!localStorage.formatText_enable || localStorage.formatText_enable == 'false') return;
var parent = $(node).parents('form[name="post"]');
self.wrap(parent.find('#body')[0],'textarea[name="body"]', parent.find('.format-text > select')[0].value, false);
};
self.wrap = function(ref, target, option, expandedwrap) {
if (!localStorage.formatText_enable || localStorage.formatText_enable == 'false') return;
// clean and validate arguments
if (ref == null) return;
var settings = {multiline: false, exclusiveline: false, prefix:'', suffix: null};
$.extend(settings,JSON.parse(localStorage.formatText_rules)[option]);
// resolve targets into array of proper node elements
// yea, this is overly verbose, oh well.
var res = [];
if (target instanceof Array) {
for (var indexa in target) {
if (target.hasOwnProperty(indexa)) {
if (typeof target[indexa] == 'string') {
var nodes = $(target[indexa]);
for (var indexb in nodes) {
if (indexa.hasOwnProperty(indexb)) res.push(nodes[indexb]);
}
} else {
res.push(target[indexa]);
}
}
}
} else {
if (typeof target == 'string') {
var nodes = $(target);
for (var index in nodes) {
if (nodes.hasOwnProperty(index)) res.push(nodes[index]);
}
} else {
res.push(target);
}
}
target = res;
//record scroll top to restore it later.
var scrollTop = ref.scrollTop;
//We will restore the selection later, so record the current selection
var selectionStart = ref.selectionStart;
var selectionEnd = ref.selectionEnd;
var text = ref.value;
var before = text.substring(0, selectionStart);
var selected = text.substring(selectionStart, selectionEnd);
var after = text.substring(selectionEnd);
var whiteSpace = [" ","\t"];
var breakSpace = ["\r","\n"];
var cursor;
// handles multiline selections on formatting that doesn't support spanning over multiple lines
if (!settings.multiline) selected = selected.replace(/(\r|\n|\r\n)/g,settings.suffix +"$1"+ settings.prefix);
// handles formatting that requires it to be on it's own line OR if the user wishes to expand the wrap to the nearest linebreak
if (settings.exclusiveline || expandedwrap) {
// buffer the begining of the selection until a linebreak
cursor = before.length -1;
while (cursor >= 0 && breakSpace.indexOf(before.charAt(cursor)) == -1) {
cursor--;
}
selected = before.substring(cursor +1) + selected;
before = before.substring(0, cursor +1);
// buffer the end of the selection until a linebreak
cursor = 0;
while (cursor < after.length && breakSpace.indexOf(after.charAt(cursor)) == -1) {
cursor++;
}
selected += after.substring(0, cursor);
after = after.substring(cursor);
}
// set values
var res = before + settings.prefix + selected + settings.suffix + after;
$(target).val(res);
// restore the selection area and scroll of the reference
ref.selectionEnd = before.length + settings.prefix.length + selected.length;
if (selectionStart === selectionEnd) {
ref.selectionStart = ref.selectionEnd;
} else {
ref.selectionStart = before.length + settings.prefix.length;
}
ref.scrollTop = scrollTop;
};
self.build_toolbars = function(){
if (!localStorage.formatText_enable || localStorage.formatText_enable == 'false') return;
if (localStorage.formatText_toolbar == 'true'){
// remove existing toolbars
if ($('.format-text').length > 0) $('.format-text').remove();
// Place toolbar above each textarea input
var name, options = '', rules = JSON.parse(localStorage.formatText_rules);
for (var index in rules) {
if (!rules.hasOwnProperty(index)) continue;
name = rules[index].text;
//add hint if key exists
if (rules[index].key) {
name += ' (CTRL + '+ rules[index].key.toUpperCase() +')';
}
options += '';
}
$('[name="body"]').before('