Merge pull request #4 from bartoszWesolowski/added-line-numbers-to-input-field

Added line numbers to input field
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mielvds 2019-01-09 14:25:05 +01:00 committed by GitHub
commit 03ccb2f154
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4 changed files with 199 additions and 1 deletions

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/**
* jQuery Lined Textarea Plugin
* http://alan.blog-city.com/jquerylinedtextarea.htm
*
* Copyright (c) 2010 Alan Williamson
*
* Released under the MIT License:
* http://www.opensource.org/licenses/mit-license.php
*
* Usage:
* Displays a line number count column to the left of the textarea
*
* Class up your textarea with a given class, or target it directly
* with JQuery Selectors
*
* $(".lined").linedtextarea({
* selectedLine: 10,
* selectedClass: 'lineselect'
* });
*
*/
.linedwrap {
border: 1px solid #c0c0c0;
padding: 3px;
}
.linedtextarea {
padding: 0px;
margin: 0px;
}
.linedtextarea textarea, .linedwrap .codelines .lineno {
font-size: 10pt;
font-family: monospace;
line-height: normal !important;
}
.linedtextarea textarea {
padding-right:0.3em;
padding-top:0.3em;
border: 0;
}
.linedwrap .lines {
margin-top: 0px;
width: 50px;
float: left;
overflow: hidden;
border-right: 1px solid #c0c0c0;
margin-right: 10px;
}
.linedwrap .codelines {
padding-top: 5px;
}
.linedwrap .codelines .lineno {
color:#AAAAAA;
padding-right: 0.5em;
padding-top: 0.0em;
text-align: right;
white-space: nowrap;
}
.linedwrap .codelines .lineselect {
color: red;
}

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@ -3,7 +3,9 @@
<title>Turtle validator</title> <title>Turtle validator</title>
<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script> <script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<script src="js/ttl.js"></script> <script src="js/ttl.js"></script>
<script src="js/lined-textarea.js"></script>
<link rel="stylesheet" href="css/style.css"> <link rel="stylesheet" href="css/style.css">
<link rel="stylesheet" href="css/lined-textarea.css">
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet"> <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
</head> </head>
@ -15,7 +17,7 @@
<h2>Paste your turtle file in here and press validate</h2> <h2>Paste your turtle file in here and press validate</h2>
<form> <form>
<div class="form-group"> <div class="form-group">
<textarea class="area" id="ta_turtle"></textarea> <textarea class="area lined" id="ta_turtle"></textarea>
</div> </div>
<div class="form-group"> <div class="form-group">
<input type="button" id="btn_validate" class="btn btn-default" value="Validate!"/> <input type="button" id="btn_validate" class="btn btn-default" value="Validate!"/>

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@ -17,3 +17,5 @@ $("#btn_validate").click( function () {
} }
}); });
}); });
$(".lined").linedtextarea();

126
public/js/lined-textarea.js Normal file
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/**
* jQuery Lined Textarea Plugin
* http://alan.blog-city.com/jquerylinedtextarea.htm
*
* Copyright (c) 2010 Alan Williamson
*
* Version:
* $Id: jquery-linedtextarea.js 464 2010-01-08 10:36:33Z alan $
*
* Released under the MIT License:
* http://www.opensource.org/licenses/mit-license.php
*
* Usage:
* Displays a line number count column to the left of the textarea
*
* Class up your textarea with a given class, or target it directly
* with JQuery Selectors
*
* $(".lined").linedtextarea({
* selectedLine: 10,
* selectedClass: 'lineselect'
* });
*
* History:
* - 2010.01.08: Fixed a Google Chrome layout problem
* - 2010.01.07: Refactored code for speed/readability; Fixed horizontal sizing
* - 2010.01.06: Initial Release
*
*/
(function($) {
$.fn.linedtextarea = function(options) {
// Get the Options
var opts = $.extend({}, $.fn.linedtextarea.defaults, options);
/*
* Helper function to make sure the line numbers are always
* kept up to the current system
*/
var fillOutLines = function(codeLines, h, lineNo){
while ( (codeLines.height() - h ) <= 0 ){
if ( lineNo == opts.selectedLine )
codeLines.append("<div class='lineno lineselect'>" + lineNo + "</div>");
else
codeLines.append("<div class='lineno'>" + lineNo + "</div>");
lineNo++;
}
return lineNo;
};
/*
* Iterate through each of the elements are to be applied to
*/
return this.each(function() {
var lineNo = 1;
var textarea = $(this);
/* Turn off the wrapping of as we don't want to screw up the line numbers */
textarea.attr("wrap", "off");
textarea.css({resize:'none'});
var originalTextAreaWidth = textarea.outerWidth();
/* Wrap the text area in the elements we need */
textarea.wrap("<div class='linedtextarea'></div>");
var linedTextAreaDiv = textarea.parent().wrap("<div class='linedwrap' style='width:" + originalTextAreaWidth + "px'></div>");
var linedWrapDiv = linedTextAreaDiv.parent();
linedWrapDiv.prepend("<div class='lines' style='width:50px'></div>");
var linesDiv = linedWrapDiv.find(".lines");
linesDiv.height( textarea.height() + 6 );
/* Draw the number bar; filling it out where necessary */
linesDiv.append( "<div class='codelines'></div>" );
var codeLinesDiv = linesDiv.find(".codelines");
lineNo = fillOutLines( codeLinesDiv, linesDiv.height(), 1 );
/* Move the textarea to the selected line */
if ( opts.selectedLine != -1 && !isNaN(opts.selectedLine) ){
var fontSize = parseInt( textarea.height() / (lineNo-2) );
var position = parseInt( fontSize * opts.selectedLine ) - (textarea.height()/2);
textarea[0].scrollTop = position;
}
/* Set the width */
var sidebarWidth = linesDiv.outerWidth();
var paddingHorizontal = parseInt( linedWrapDiv.css("border-left-width") ) + parseInt( linedWrapDiv.css("border-right-width") ) + parseInt( linedWrapDiv.css("padding-left") ) + parseInt( linedWrapDiv.css("padding-right") );
var linedWrapDivNewWidth = originalTextAreaWidth - paddingHorizontal;
var textareaNewWidth = originalTextAreaWidth - sidebarWidth - paddingHorizontal - 20;
textarea.width( textareaNewWidth );
linedWrapDiv.width( linedWrapDivNewWidth );
/* React to the scroll event */
textarea.scroll( function(tn){
var domTextArea = $(this)[0];
var scrollTop = domTextArea.scrollTop;
var clientHeight = domTextArea.clientHeight;
codeLinesDiv.css( {'margin-top': (-1*scrollTop) + "px"} );
lineNo = fillOutLines( codeLinesDiv, scrollTop + clientHeight, lineNo );
});
/* Should the textarea get resized outside of our control */
textarea.resize( function(tn){
var domTextArea = $(this)[0];
linesDiv.height( domTextArea.clientHeight + 6 );
});
});
};
// default options
$.fn.linedtextarea.defaults = {
selectedLine: -1,
selectedClass: 'lineselect'
};
})(jQuery);