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My program for Opera

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Compatibility with Opera 10 beta

Descriptions in opera:plugins and more

, ,

Unfortunately, Opera does not show the versions of Flash-plugins. This addition corrects it.
Replace in yours *.lng file, string «-1303632626="Plug-ins"» on
-1303632626="Plug-ins<script type='text/javascript'>document.title=document.title.replace(/<.*>/,'');document.addEventListener('load',function(){var p=navigator.plugins;var t=document.getElementsByTagName('tbody');for(var i=0, ti; ti=t[i]; i++){ti.innerHTML='<TR><TD>Description:</TD><TD>'+(p[i].description?p[i].description:'Plug-in disabled')+'</TD></TR>'+ti.innerHTML}},false)</script>"

And go to opera:plugins :wink: .


GetSize (16Kb). Installer (130Kb) for Opera.
GetSize is an small and open source tool that allows you to find out the size of a file before downloading it. GetSize is similar GetFileSize but has some additional possibilities (support referrer, show size of files bigger 4 Gb) and very simple interface :smile:

Last version of Qsaver (50Kb) supported fast saving of images via long click, double click and mouse wheel click.

Перевод настроек opera:config

Скачать ru.lng c переводом (100Kb) для Opera 9.6

Кроме собственно перевода, который выглядит примерно так:

туда добавлены следующие возможности:
  • В opera:cache добавлены функции сортировки по размеру и имени файла в кэше (оно пропорционально дате), предпросмотр для картинок и флешек и быстрый поиск.
  • Возможность добавлять кнопки из адресной строки. Вставив, например, «opera:/button/Go,,,"Пуск","Open Link"».
  • Ссылки в меню Справка->О программе сделаны "кликабельными".
  • На страницу показываемую при недоступности сервера, добавлен пункт «попробуйте найти эту страницу в кэше Google или на Web Archive».

Установка сводится к замене файла Opera\locale\ru\ru.lng.
__________________________________________________________

Дополнения для языковых файлов Opera 8-10. В частности, перевод opera:config и сортировка и предпросмотр в кэше.

Thumbnails in opera cache

Replace in yours *.lng file, string «-1713924769="Size"» on (press Ctrl+F11 before copying)
-1713924769="Size<script type='text/javascript'>document.addEventListener('load',function(){for(var i=0;document.links[i];i++){document.links[i].target='_blank'};var tr=document.getElementsByTagName('tr');var sf=document.createElement('input');sf.type='text';sf.defaultValue='Search';sf.style='margin:0 4px;float:right;';sf.addEventListener('focus',function(){if(this.value==this.defaultValue){this.value=''}},false);sf.addEventListener('blur',function(){if(!this.value){this.value=this.defaultValue}},false);sf.addEventListener('keyup',function(){var v=this.value.toLowerCase();for(var i=0,l;l=tr[i];i++){var p=l.lastChild.firstChild.innerText;if(p&&p.toLowerCase().indexOf(v)==-1){l.style='display: none'}else{l.style='display: table-row'}}},false);var bt=document.createElement('input');bt.type='button';bt.value='Thumbnails';bt.style='float:right;';bt.addEventListener('click',function(){var b=/\.(jpe?g|bmp|gif|png|ico|swf|flv)$/i;var f=/\.(swf|flv)$/i;for(var i=0,l;l=tr[i];i++){var p=l.lastChild.firstChild;var c=l.firstChild.innerText;if(l.offsetHeight!=0&&p.childNodes.length<2){if(b.test(c)){var stl='float:right;border:1px dotted black;margin:1px;padding:1px;max-height:100px;max-width:100px;';if(f.test(c)){var dv=document.createElement('div');p.appendChild(dv);dv.innerHTML='<EMBED src='+p.href+'>';var fh=dv.firstChild;fh.setAttribute('height',100);fh.setAttribute('width',100);fh.setAttribute('style',stl+'content:normal;display:inherit;outline:none;background-image:none;')}else{var image=document.createElement('img');image.setAttribute('src',p.href);image.setAttribute('style',stl);p.appendChild(image)}}}}},false);var th=document.getElementsByTagName('th')[2];th.appendChild(bt);th.appendChild(sf)},false)</script>"


Update
Added "advanced search".

Update
Added sorting by name (~date) and size.
-1713924769="Size<script type='text/javascript'>function sorter(t){var table=document.getElementsByTagName('table')[0];var node;var col=t.cellIndex;var span=t.getElementsByTagName('span')[0];var a=new Array();var tbody=table.getElementsByTagName('tbody')[0];var tr=tbody.getElementsByTagName('tr');for(var i=0;(node=tr[i+1]);i++){a[i]=new Array();a[i][0]=getConcatenedTextContent(node.getElementsByTagName('td')[col]);a[i][1]=node}a.sort(_sort);var dtitle=span.getAttribute('title');if(dtitle==0){a.reverse()}dtitle=dtitle==0?1:0;span.innerHTML=dtitle==0?'↓':'↑';span.setAttribute('title',dtitle);for(var i=0;i<a.length;i++){tbody.appendChild(a[i][1])}function _sort(a,b){var a=a[0];var b=b[0];if(Number(a)&&Number(b)){return sort_numbers(a,b)}else{return sort_sensitive(a,b)}};function sort_numbers(a,b){return a-b};function sort_sensitive(a,b){if(a<b)return-1;if(a>b)return 1;return 0};function getConcatenedTextContent(node){var _result='';if(node==null){return _result}var childrens=node.childNodes;var i=0;while(i<childrens.length){var child=childrens[i];switch(child.nodeType){case 1:case 5:_result+=getConcatenedTextContent(child);break;case 3:case 2:case 4:_result+=child.nodeValue;break;case 6:case 7:case 8:case 9:case 10:case 11:case 12:break}i++}return _result}};document.addEventListener('load',function(){for(var i=0;document.links[i];i++){document.links[i].target='_blank'};var tr=document.getElementsByTagName('tr');var sf=document.createElement('input');sf.type='text';sf.defaultValue='Search';sf.style='font-size:100%;margin:0 20px 0 30px;width:40%;';sf.addEventListener('focus',function(){if(this.value==this.defaultValue){this.value=''}},false);sf.addEventListener('blur',function(){if(!this.value){this.value=this.defaultValue}},false);sf.addEventListener('keyup',function(){var v=this.value.toLowerCase();for(var i=0,l;l=tr[i];i++){var p=l.lastChild.firstChild.innerText;if(p&&p.toLowerCase().indexOf(v)==-1){l.style='display: none'}else{l.style='display:table-row'}}},false);var bt=document.createElement('input');bt.type='button';bt.value='Thumbnails';bt.style='font-size:100%;cursor:pointer;float:right;';bt.addEventListener('click',function(){var b=/\.(jpe?g|bmp|gif|png|ico|swf|flv)$/i;var f=/\.(swf|flv)$/i;for(var i=0,l;l=tr[i];i++){var p=l.lastChild.firstChild;var c=l.lastChild.firstChild.innerText;if(l.offsetHeight!=0&&p.childNodes.length<2){if(b.test(c)){var stl='float:right;border:1px dotted black;margin:1px;padding:1px;max-height:100px;max-width:100px;';if(f.test(c)){var dv=document.createElement('div');p.appendChild(dv);dv.innerHTML='<EMBED src='+p.href+'>';var fh=dv.firstChild;fh.setAttribute('height',100);fh.setAttribute('width',100);fh.setAttribute('style',stl+'content:normal;display:inherit;outline:none;background-image:none;')}else{var image=document.createElement('img');image.setAttribute('src',p.href);image.setAttribute('style',stl);p.appendChild(image)}}}}},false);var th=document.getElementsByTagName('th');th[2].appendChild(bt);th[2].appendChild(sf);var addSort=function(ele){var span=document.createElement('span');span.title='0';span.appendChild(document.createTextNode('•'));ele.insertBefore(span,ele.firstChild);ele.onclick="sorter(this);";ele.style.cursor='pointer';};addSort(th[0]);addSort(th[1]);},false)</script>"


Update
Speed-up version for Opera 9.51 and later. Sorting works more fast (~5x).
-1713924769="Size<script type='text/javascript'>function sorter(span){var _sort=function(a,b){var a=a[1];var b=b[1];if(Number(a)&&Number(b)){return a-b}else{if(a<b)return-1;if(a>b)return 1;return 0}};var dir=span.innerHTML.charAt(0);var col=span.parentNode.cellIndex;var tbody=document.selectSingleNode('//tbody');var tr=tbody.selectNodes('tr[td]');var len=tr.length;var a=new Array(len);for(var i=0;i<len;i++){a[i]=new Array(2);a[i][0]=tr[i];a[i][1]=a[i][0].selectNodes('td')[col].innerText};a.sort(_sort);if(dir!='↓'&&dir!='↑')dir=arguments[1]?'↓':'↑';if(dir=='↑'){a.reverse()};span.innerHTML=(dir=='↑'?'↓':'↑')+span.innerHTML.substr(1);for(var i=0;i<len;i++){tbody.appendChild(a[i][0])}};document.addEventListener('load',function(){for(var i=0;document.links[i];i++){document.links[i].target='_blank'};var tr=document.selectNodes('//tr[td]');if(location.search){var ls=location.search.substring(1);for(var i=0,ti;ti=tr[i];i++){var tt=ti.lastChild.firstChild.innerText;if(tt&&tt.indexOf(ls)==-1){ti.parentNode.removeChild(ti)}}};var sf=document.createElement('input');sf.type='text';sf.defaultValue='Search';sf.style='font-size:100%;margin:0 20px 0 30px;width:40%;';sf.addEventListener('focus',function(){if(this.value==this.defaultValue){this.value=''}},false);sf.addEventListener('blur',function(){if(!this.value){this.value=this.defaultValue}},false);sf.addEventListener('keyup',function(){var v=this.value.toLowerCase();for(var i=0,l;l=tr[i];i++){var p=l.lastChild.firstChild.innerText;if(p&&p.toLowerCase().indexOf(v)==-1){l.style='display: none'}else{l.style='display:table-row'}}},false);var bt=document.createElement('input');bt.type='button';bt.value='Thumbnails';bt.style='font-size:100%;cursor:pointer;float:right;';bt.addEventListener('click',function(){var b=/\\.(jpe?g|bmp|gif|png|ico|swf|flv)$/i;var f=/\\.(swf|flv)$/i;var stl='float:right;border:1px dotted black;margin:1px;padding:1px;max-height:100px;max-width:100px;';for(var i=0,l;l=tr[i];i++){var p=l.lastChild.firstChild;var c=l.lastChild.firstChild.innerText;if(l.offsetHeight!=0&&p.childNodes.length<2){if(b.test(c)){if(f.test(c)){var dv=document.createElement('div');p.appendChild(dv);dv.innerHTML='<EMBED src='+p.href+'>';var fh=dv.firstChild;fh.setAttribute('height',100);fh.setAttribute('width',100);fh.setAttribute('style',stl+'content:normal;display:inherit;outline:none;background-image:none;')}else{var image=document.createElement('img');image.setAttribute('src',p.href);image.setAttribute('style',stl);p.appendChild(image)}}}}},false);var th=document.selectNodes('//th');th[2].appendChild(bt);th[2].appendChild(sf);var addSort=function(ele){var arg=arguments[1];var txt=ele.firstChild;var span=document.createElement('span');span.title='Sort';span.appendChild(document.createTextNode('•'));ele.insertBefore(span,txt);span.addEventListener('click',function(){sorter(this,arg)},false);span.style.cursor='pointer';span.appendChild(txt)};addSort(th[0]);addSort(th[1]);addSort(th[2],true)},false)</script>"


english.lng for Opera 9.5x.

Update
Version for Opera 10 with a built-in correction for the new ugly style.
-1713924769="Size:   <script type='text/javascript'>function sorter(span){var _sort=function(a,b){var a=a[1];var b=b[1];if(Number(a)&&Number(b)){return a-b}else{if(a<b)return-1;if(a>b)return 1;return 0}};var dir=span.innerHTML.charAt(0);var col=span.parentNode.cellIndex;var tbody=document.selectSingleNode('//tbody');var tr=tbody.selectNodes('tr[td]');var len=tr.length;var a=new Array(len);for(var i=0;i<len;i++){a[i]=new Array(2);a[i][0]=tr[i];a[i][1]=a[i][0].selectNodes('td')[col].innerText};a.sort(_sort);if(dir!='↓'&&dir!='↑')dir=arguments[1]?'↓':'↑';if(dir=='↑'){a.reverse()};span.innerHTML=(dir=='↑'?'↓':'↑')+span.innerHTML.substr(1);for(var i=0;i<len;i++){tbody.appendChild(a[i][0])}};if(location.search)document.documentElement.style.display='none';var style=document.createElement('style');style.setAttribute('type','text/css');style.appendChild(document.createTextNode('td{border-width:1px 0;border-style:solid;border-color:#DEDEDE #F5F5F5 #F5F5F5;}td:first-child,td:first-child+td{border-width: 1px 1px 1px 0;border-color:#DEDEDE #DEDEDE #F5F5F5 #F5F5F5;}th{width:auto;}td+td+td a{-o-text-overflow:ellipsis;overflow:hidden;display:block;}'));document.getElementsByTagName('head')[0].appendChild(style);document.addEventListener('load',function(){for(var i=0;document.links[i];i++){document.links[i].target='_blank'};var tr=document.selectNodes('//tr[td]');if(location.search){var ls=location.search.substring(1);if(ls)for(var i=tr.length-1,ti;ti=tr[i];i--){var tt=ti.lastChild.firstChild.innerText;if(tt&&tt.indexOf(ls)==-1){ti.parentNode.removeChild(ti)}};document.documentElement.style.display='block'};var sf=document.createElement('input');sf.type='text';sf.defaultValue='Filter';sf.style='font-size:100%;margin:0 20px 0 30px;width:40%;';sf.addEventListener('focus',function(){if(this.value==this.defaultValue){this.value=''}},false);sf.addEventListener('blur',function(){if(!this.value){this.value=this.defaultValue}},false);sf.addEventListener('keyup',function(){var v=this.value.toLowerCase();for(var i=0,l;l=tr[i];i++){var p=l.lastChild.firstChild.innerText;if(p&&p.toLowerCase().indexOf(v)==-1){l.style='display: none'}else{l.style='display:table-row'}}},false);var bt=document.createElement('input');bt.type='button';bt.value='Thumbnails';bt.style='font-size:100%;cursor:pointer;float:right;';bt.addEventListener('click',function(){var b=/\\.(jpe?g|bmp|gif|png|ico|swf|flv)$/i;var f=/\\.(swf|flv)$/i;var stl='float:right;border:1px dotted black;margin:1px;padding:1px;max-height:100px;max-width:100px;';for(var i=0,l;l=tr[i];i++){var p=l.lastChild.firstChild;var c=l.lastChild.firstChild.innerText;if(l.offsetHeight!=0&&p.childNodes.length<2){if(b.test(c)){if(f.test(c)){var dv=document.createElement('div');p.appendChild(dv);dv.innerHTML='<EMBED src='+p.href+'>';var fh=dv.firstChild;fh.setAttribute('height',100);fh.setAttribute('width',100);fh.setAttribute('style',stl+'content:normal;display:inherit;outline:none;background-image:none;')}else{var image=document.createElement('img');image.setAttribute('src',p.href);image.setAttribute('style',stl);p.appendChild(image)}}}}},false);var th=document.selectNodes('//th');th[2].appendChild(bt);th[2].appendChild(sf);var addSort=function(ele){var arg=arguments[1];var txt=ele.firstChild;var span=document.createElement('span');span.title='Sort';span.appendChild(document.createTextNode('•'));ele.insertBefore(span,txt);span.addEventListener('click',function(){sorter(this,arg);for(var i=0;i<th.length;i++){var s=th[i].firstChild;if(s!=this)s.innerHTML='•'+s.innerHTML.substr(1)}},false);span.style.cursor='pointer';span.appendChild(txt)};addSort(th[0]);addSort(th[1]);addSort(th[2],true);if(location.search)sorter(th[0].firstChild)},false)</script>"


По русски здесь.
ru.lng для 9.5x.

Copying text with formatting to clipboard and Autocopy.js

,

I forgot to mention about it before :smile:
Program for copying text with links and images to clipboard, from menu of Opera. Also included autocopy.js: htm2clip.zip (Installer).

Thread.

In Opera 10 you can use button Edit mode and simple copy/paste.
Or just button: Copy with formatting (drag'n'drop this button directly on panel).

AdBlock for Opera - analogue of «Adblock Plus: Element Hiding Helper»

adblock_setup.zip (130Kb)

UserJS-only version: adblock.js (backport from Chrome; use Alt+Shift+B for blocking and Alt+Shift+U for unblocking. Press Alt+Shift+E for editing styles).

This tool used for easily blocking of page elements (and text ads). You simply select the element you want to be block. The element hiding rule is generated and added in Adblock+.css automatically.

Installation:
Copy and select the menu in Ctrl+F12-Advanced-Toolbars. Close Opera, start AdBlock_setup.exe, specify the folder of Opera.
Enable style AdBlock+ in menu View-Style. Install adblock.js as usually.
Now you can block an element from the context menu of page, or having used button AdBlock+.


P.S. Rip.js it's good thing, but the page at first is loaded and only contents then disappear. On my connect, it looks ugly.

Updates. Descriptions most useful UserJS and more.

1) Added descriptions for more than 60 (useful) UserJS on http://my.opera.com/Lex1/blog/userjs (translation my Russian page.)

2) Since writing of previous post, most utilities were renewed. oGet and htm2clip now works on framed pages, Qsaver supports fast saving in CHM, and Opera Loader better works with Opera 9.5.

3) How to add icons for file-types in Opera filemanager
UserJS (and generally javascript) don't work in Opera filemanager. But css work :smile: This code will add icons for those files which Opera can open. And also added a blue selection for the files of «index.html», for better visibility.
Open Opera\Styles\dir.css in text editor (Notepad++ is good). Add next strings after:
a[class="sym"]::before {
 background-image: -o-skin('Panel Collapse Right');
 width: 9px;
height: 9px;
}


a[href$=".js"]::before,
a[href$=".css"]::before,
a[href$=".ini"]::before,
a[href$=".txt"]::before {
content: "";
background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABwElEQVQ4jaWTv2sTcRTAP/e9a8RCsYOjg21SSBGKIg7+aptSEJe2/0OXDA4ZxOg/kEEEl6ODLoJCh4LUyUYdOrTSIgYthF41UBBqDFSbpuddvMvdc2gvRBtCxAdveI/3Pt8P3y9fjQ5hzjJQ91C/fNTJE5wtfWNjLs93IAAEwIiGXdcdWHp4fnHocnzkzcJXjJ6KNT5zIfnqZf/B9M1q3+LzQS7Gq5B/lgB2gDqAigDz89bs2v6jkadLWQCSV+8m8/kE58bv9RU/JrhyYyoavQT0H9PNZpdl5e0XyaVTUrFrkkunZNexJZdOiet7kkunREQkk8kIMNgW8Pr9B6nYtWbuOrbs111xfU8aQdAKiEd7qhUSU7FOd9o2jNYiFAHAvP+g2RsdG+Pa6PXuAIcPA7fu3AZAV4oepXdvIHrjmEFkMTkx0YVBoLc1iOk6QRiiK9UZoAXG/xkoQ/tngz86fug3DTbW37U9saOBF3pNA6VpIFAoFPbcn473+dPW3tamtTNnmguAH+1oLfunHj95YZa2C6etYlGtra6WK+WyDThA7Sh/ACXAAqp/AwzgDDAM9AIHR0sO4AIehz8wqhsAvwFT785ao0KVQAAAAABJRU5ErkJggg==");
margin-right: 3px;
width: 16px;
height: 16px;
display: inline-block;
speak: none;
}
a[href$=".jpg"]::before,
a[href$=".jpeg"]::before,
a[href$=".gif"]::before,
a[href$=".png"]::before,
a[href$=".bmp"]::before,
a[href$=".xbm"]::before,
a[href$=".svg"]::before {
content: "";
background-image: url("data:image/png;base64,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");
margin-right: 3px;
width: 16px;
height: 16px;
display: inline-block;
speak: none;
}
a[href$=".html"]::before,
a[href$=".htm"]::before,
a[href$=".xml"]::before,
a[href$=".url"]::before {
content: "";
background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAATlBMVEXnICXrGB5SUlLOzs7r6+ucnJy8vLwxMTHn49Pt7efvUlT39/f/+/P///+EhITvTU+oqKirq6vtUFRzc3O0tLPiQ0jpiIHtjI7wbXLT09O/nUUGAAAAAXRSTlMAQObYZgAAAGVJREFUeF5lzEcSAjEMBVF9SY5hIvH+F6UKsC2KXr5FE9HSo29L++R4QH3nGv8ChxAsFHEnGyhVxRnIOR9RJtxRFTcDgEZgQHoCSQ1sCfCXCcXvD0Q/HmdT2a7HusYO0uvAM/rvBb1KBgxFCeX8AAAAAElFTkSuQmCC");
margin-right: 3px;
width: 16px;
height: 16px;
display: inline-block;
speak: none;
}
a[href*="ndex.htm"] {color: rgb(0,0,200);}
a[href*="ndex.htm"]:visited {color: rgb(128,0,128);}
table, pre {
font-size: 70%;
line-height: 130%;
padding: 0;
margin: 5px auto 10px;
border-spacing: 0;
border-collapse: collapse;
width: 95%;
}

Now will renew a page. It's all :wink: .
Instead of «background-image: url("data:image/png;base64,...");» you can use «background-image: url("images/i_img.png");»

Compatibility with Opera 9.5

Update google-translate.js.

google-translate.js
Sample of menu: menu_bbcode_english.ini.
Button: Translate to English

Go to Page,"javascript:ujs_google_translate('auto|en')",,,"Window Mail Compose Icon"


* Google now supports automatic language detection. Therefore you can use universal button or hotkey for translation from any language to English.
* First start more fast.
* Works in Opera 8-10



About installation UserJS written here.

Block javascript pop-ups

,

Unfortunately Opera is not able to block "Pop-Ups v2.0" created with JavaScript (example).
But in most cases such advertising is added by external js, and it can be simply blocked with block-external-scripts.js (worked in Opera 8-10; about installation userjs). Hover mouse on lower right corner of page and press on the button for unblocking/blocking.

Also see BlockIt.js from shoust.

In Russian
Универсальная блокировка "всплывающих окон" реализованных на javascript.

Подобная реклама (пример) применяется всё чаще, видимо из-за наличия во всех браузерах блокировщиков "обычных" всплывающих окон. В принципе, бороться с ней достаточно сложно, но к счастью, в большинстве случаев такая реклама добавляется с помощью внешних js-скриптов, которые несложно заблокировать с помощью UserJS. При этом также будет заблокировано и некоторое количество обычной рекламы и счётчиков.

Для установки UserJS, просто скопируйте block-external-scripts.js в вашу папку UserJS. Если её ещё нет, то создайте папку (например, Opera\userjs) и укажите её в Настройки->Дополнительно->Содержимое->Настройки Javascript. Чтобы отключить блокирование скриптов на текущем сайте, наведите мышь на нижний правый угол страницы и нажмите на выехавшую кнопку.

Upd.
Изложил в заметке основные способы блокирования рекламы в Opera.

Upd. №2
Also see hide-js-popups.js.