mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-11-27 17:00:52 +01:00
384 lines
14 KiB
JavaScript
384 lines
14 KiB
JavaScript
/*
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* comment-toolbar.js
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* - Adds a toolbar above the commenting area containing most of 8Chan's formatting options
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* - Press Esc to close quick-reply window when it's in focus
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*
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* Usage:
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* $config['additional_javascript'][] = 'js/jquery.min.js';
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* $config['additional_javascript'][] = 'js/comment-toolbar.js';
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*/
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if (active_page == 'thread' || active_page == 'index') {
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var formatText = (function($){
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"use strict";
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var self = {};
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self.rules = {
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spoiler: {
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text: _('Spoiler'),
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key: 's',
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multiline: false,
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exclusiveline: false,
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prefix:'**',
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suffix:'**'
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},
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italics: {
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text: _('Italics'),
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key: 'i',
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multiline: false,
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exclusiveline: false,
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prefix: "''",
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suffix: "''"
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},
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bold: {
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text: _('Bold'),
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key: 'b',
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multiline: false,
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exclusiveline: false,
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prefix: "'''",
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suffix: "'''"
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},
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underline: {
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text: _('Underline'),
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key: 'u',
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multiline: false,
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exclusiveline: false,
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prefix:'__',
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suffix:'__'
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},
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code: {
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text: _('Code'),
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key: 'f',
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multiline: true,
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exclusiveline: false,
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prefix: '[code]',
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suffix: '[/code]'
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},
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strike: {
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text: _('Strike'),
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key: 'd',
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multiline:false,
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exclusiveline:false,
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prefix:'~~',
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suffix:'~~'
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},
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heading: {
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text: _('Heading'),
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key: 'r',
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multiline:false,
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exclusiveline:true,
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prefix:'==',
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suffix:'=='
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}
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};
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self.toolbar_wrap = function(node) {
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var parent = $(node).parents('form[name="post"]');
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self.wrap(parent.find('#body')[0],'textarea[name="body"]', parent.find('.format-text > select')[0].value, false);
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};
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self.wrap = function(ref, target, option, expandedwrap) {
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// clean and validate arguments
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if (ref == null) return;
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var settings = {multiline: false, exclusiveline: false, prefix:'', suffix: null};
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$.extend(settings,JSON.parse(localStorage.formatText_rules)[option]);
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// resolve targets into array of proper node elements
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// yea, this is overly verbose, oh well.
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var res = [];
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if (target instanceof Array) {
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for (var indexa in target) {
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if (target.hasOwnProperty(indexa)) {
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if (typeof target[indexa] == 'string') {
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var nodes = $(target[indexa]);
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for (var indexb in nodes) {
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if (indexa.hasOwnProperty(indexb)) res.push(nodes[indexb]);
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}
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} else {
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res.push(target[indexa]);
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}
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}
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}
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} else {
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if (typeof target == 'string') {
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var nodes = $(target);
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for (var index in nodes) {
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if (nodes.hasOwnProperty(index)) res.push(nodes[index]);
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}
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} else {
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res.push(target);
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}
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}
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target = res;
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//record scroll top to restore it later.
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var scrollTop = ref.scrollTop;
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//We will restore the selection later, so record the current selection
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var selectionStart = ref.selectionStart;
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var selectionEnd = ref.selectionEnd;
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var text = ref.value;
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var before = text.substring(0, selectionStart);
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var selected = text.substring(selectionStart, selectionEnd);
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var after = text.substring(selectionEnd);
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var whiteSpace = [" ","\t"];
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var breakSpace = ["\r","\n"];
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var cursor;
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// handles multiline selections on formatting that doesn't support spanning over multiple lines
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if (!settings.multiline) selected = selected.replace(/(\r|\n|\r\n)/g,settings.suffix +"$1"+ settings.prefix);
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// handles formatting that requires it to be on it's own line OR if the user wishes to expand the wrap to the nearest linebreak
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if (settings.exclusiveline || expandedwrap) {
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// buffer the begining of the selection until a linebreak
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cursor = before.length -1;
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while (cursor >= 0 && breakSpace.indexOf(before.charAt(cursor)) == -1) {
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cursor--;
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}
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selected = before.substring(cursor +1) + selected;
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before = before.substring(0, cursor +1);
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// buffer the end of the selection until a linebreak
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cursor = 0;
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while (cursor < after.length && breakSpace.indexOf(after.charAt(cursor)) == -1) {
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cursor++;
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}
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selected += after.substring(0, cursor);
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after = after.substring(cursor);
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}
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// set values
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var res = before + settings.prefix + selected + settings.suffix + after;
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$(target).val(res);
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// restore the selection area and scroll of the reference
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ref.selectionEnd = before.length + settings.prefix.length + selected.length;
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if (selectionStart === selectionEnd) {
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ref.selectionStart = ref.selectionEnd;
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} else {
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ref.selectionStart = before.length + settings.prefix.length;
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}
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ref.scrollTop = scrollTop;
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};
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self.build_toolbars = function(){
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if (localStorage.formatText_toolbar == 'true'){
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// remove existing toolbars
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if ($('.format-text').length > 0) $('.format-text').remove();
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// Place toolbar above each textarea input
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var name, options = '', rules = JSON.parse(localStorage.formatText_rules);
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for (var index in rules) {
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if (!rules.hasOwnProperty(index)) continue;
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name = rules[index].text;
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//add hint if key exists
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if (rules[index].key) {
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name += ' (CTRL + '+ rules[index].key.toUpperCase() +')';
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}
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options += '<option value="'+ index +'">'+ name +'</option>';
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}
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$('[name="body"]').before('<div class="format-text"><a href="javascript:;" onclick="formatText.toolbar_wrap(this);">Wrap</a><select>'+ options +'</select></div>');
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$('body').append('<style>#quick-reply .format-text>a{width:15%;display:inline-block;text-align:center;}#quick-reply .format-text>select{width:85%;};</style>');
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}
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};
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self.add_rule = function(rule, index){
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if (rule === undefined) rule = {
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text: 'New Rule',
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key: '',
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multiline:false,
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exclusiveline:false,
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prefix:'',
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suffix:''
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}
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// generate an id for the rule
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if (index === undefined) {
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var rules = JSON.parse(localStorage.formatText_rules);
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while (rules[index] || index === undefined) {
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index = ''
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index +='abcdefghijklmnopqrstuvwxyz'.substr(Math.floor(Math.random()*26),1);
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index +='abcdefghijklmnopqrstuvwxyz'.substr(Math.floor(Math.random()*26),1);
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index +='abcdefghijklmnopqrstuvwxyz'.substr(Math.floor(Math.random()*26),1);
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}
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}
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if (window.Options && Options.get_tab('formatting')){
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var html = $('<div class="format_rule" name="'+ index +'"></div>').html('\
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<input type="text" name="text" class="format_option" size="10" value=\"'+ rule.text.replace(/"/g, '"') +'\">\
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<input type="checkbox" name="multiline" class="format_option" '+ (rule.multiline ? 'checked' : '') +'>\
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<input type="checkbox" name="exclusiveline" class="format_option" '+ (rule.exclusiveline ? 'checked' : '') +'>\
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<input type="text" name="prefix" class="format_option" size="8" value=\"'+ (rule.prefix ? rule.prefix.replace(/"/g, '"') : '') +'\">\
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<input type="text" name="suffix" class="format_option" size="8" value=\"'+ (rule.suffix ? rule.suffix.replace(/"/g, '"') : '') +'\">\
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<input type="text" name="key" class="format_option" size="2" maxlength="1" value=\"'+ rule.key +'\">\
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<input type="button" value="X" onclick="if(confirm(\'Do you wish to remove the '+ rule.text +' formatting rule?\'))$(this).parent().remove();">\
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');
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if ($('.format_rule').length > 0) {
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$('.format_rule').last().after(html);
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} else {
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Options.extend_tab('formatting', html);
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}
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}
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};
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self.save_rules = function(){
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var rule, newrules = {}, rules = $('.format_rule');
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for (var index=0;rules[index];index++) {
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rule = $(rules[index]);
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newrules[rule.attr('name')] = {
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text: rule.find('[name="text"]').val(),
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key: rule.find('[name="key"]').val(),
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prefix: rule.find('[name="prefix"]').val(),
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suffix: rule.find('[name="suffix"]').val(),
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multiline: rule.find('[name="multiline"]').is(':checked'),
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exclusiveline: rule.find('[name="exclusiveline"]').is(':checked')
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};
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}
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localStorage.formatText_rules = JSON.stringify(newrules);
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self.build_toolbars();
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};
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self.reset_rules = function(to_default) {
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$('.format_rule').remove();
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var rules;
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if (to_default) rules = self.rules;
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else rules = JSON.parse(localStorage.formatText_rules);
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for (var index in rules){
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if (!rules.hasOwnProperty(index)) continue;
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self.add_rule(rules[index], index);
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}
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};
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// setup default rules for customizing
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if (!localStorage.formatText_rules) localStorage.formatText_rules = JSON.stringify(self.rules);
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// setup code to be ran when page is ready (work around for main.js compilation).
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$(document).ready(function(){
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// Add settings to Options panel general tab
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if (window.Options && Options.get_tab('general')) {
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var s1 = '#formatText_keybinds>input', s2 = '#formatText_toolbar>input', e = 'change';
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Options.extend_tab('general', '\
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<fieldset>\
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<legend>Formatting Options</legend>\
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<label id="formatText_keybinds"><input type="checkbox">' + _('Enable formatting keybinds') + '</label>\
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<label id="formatText_toolbar"><input type="checkbox">' + _('Show formatting toolbar') + '</label>\
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</fieldset>\
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');
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} else {
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var s1 = '#formatText_keybinds', s2 = '#formatText_toolbar', e = 'click';
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$('hr:first').before('<div id="formatText_keybinds" style="text-align:right"><a class="unimportant" href="javascript:void(0)">'+ _('Enable formatting keybinds') +'</a></div>');
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$('hr:first').before('<div id="formatText_toolbar" style="text-align:right"><a class="unimportant" href="javascript:void(0)">'+ _('Show formatting toolbar') +'</a></div>');
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}
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// add the tab for customizing the format settings
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if (window.Options && !Options.get_tab('formatting')) {
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Options.add_tab('formatting', 'angle-right', _('Customize Formatting'));
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Options.extend_tab('formatting', '\
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<style>\
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.format_option{\
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margin-right:5px;\
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overflow:initial;\
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font-size:15px;\
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}\
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.format_option[type="text"]{\
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text-align:center;\
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padding-bottom: 2px;\
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padding-top: 2px;\
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}\
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.format_option:last-child{\
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margin-right:0;\
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}\
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fieldset{\
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margin-top:5px;\
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}\
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</style>\
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');
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// Data control row
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Options.extend_tab('formatting', '\
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<button onclick="formatText.add_rule();">'+_('Add Rule')+'</button>\
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<button onclick="formatText.save_rules();">'+_('Save Rules')+'</button>\
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<button onclick="formatText.reset_rules(false);">'+_('Revert')+'</button>\
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<button onclick="formatText.reset_rules(true);">'+_('Reset to Default')+'</button>\
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');
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// Descriptor row
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Options.extend_tab('formatting', '\
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<span class="format_option" style="margin-left:25px;">Name</span>\
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<span class="format_option" style="margin-left:45px;" title="Multi-line: Allow formatted area to contain linebreaks.">ML</span>\
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<span class="format_option" style="margin-left:0px;" title="Exclusive-line: Require formatted area to start after and end before a linebreak.">EL</span>\
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<span class="format_option" style="margin-left:25px;" title="Text injected at the start of a format area.">Prefix</span>\
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<span class="format_option" style="margin-left:60px;" title="Text injected at the end of a format area.">Suffix</span>\
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<span class="format_option" style="margin-left:40px;" title="Optional keybind value to allow keyboard shortcut access.">Key</span>\
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');
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// Rule rows
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var rules = JSON.parse(localStorage.formatText_rules);
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for (var index in rules){
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if (!rules.hasOwnProperty(index)) continue;
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self.add_rule(rules[index], index);
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}
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}
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// setting for enabling formatting keybinds
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$(s1).on(e, function(e) {
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console.log('Keybind');
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if (!localStorage.formatText_keybinds || localStorage.formatText_keybinds == 'false') {
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localStorage.formatText_keybinds = 'true';
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if (window.Options && Options.get_tab('general')) e.target.checked = true;
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} else {
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localStorage.formatText_keybinds = 'false';
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if (window.Options && Options.get_tab('general')) e.target.checked = false;
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}
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});
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// setting for toolbar injection
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$(s2).on(e, function(e) {
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console.log('Toolbar');
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if (!localStorage.formatText_toolbar || localStorage.formatText_toolbar == 'false') {
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localStorage.formatText_toolbar = 'true';
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if (window.Options && Options.get_tab('general')) e.target.checked = true;
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formatText.build_toolbars();
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} else {
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localStorage.formatText_toolbar = 'false';
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if (window.Options && Options.get_tab('general')) e.target.checked = false;
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$('.format-text').remove();
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}
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});
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// make sure the tab settings are switch properly at loadup
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if (window.Options && Options.get_tab('general')) {
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if (localStorage.formatText_keybinds == 'true') $(s1)[0].checked = true;
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else $(s1)[0].checked = false;
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if (localStorage.formatText_toolbar == 'true') $(s2)[0].checked = true;
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else $(s2)[0].checked = false;
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}
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// Initial toolbar injection
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formatText.build_toolbars();
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//attach listener to <body> so it also works on quick-reply box
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$('body').on('keydown', '[name="body"]', function(e) {
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if (!localStorage.formatText_keybinds || localStorage.formatText_keybinds == 'false') return;
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var key = String.fromCharCode(e.which).toLowerCase();
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var rules = JSON.parse(localStorage.formatText_rules);
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for (var index in rules) {
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if (!rules.hasOwnProperty(index)) continue;
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if (key === rules[index].key && e.ctrlKey) {
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e.preventDefault();
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if (e.shiftKey) {
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formatText.wrap(e.target, 'textarea[name="body"]', index, true);
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} else {
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formatText.wrap(e.target, 'textarea[name="body"]', index, false);
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}
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}
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}
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});
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// Signal that comment-toolbar loading has completed.
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$(document).trigger('formatText');
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});
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return self;
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})(jQuery);
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}
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