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Update jQuery Autogrow Textarea Plugin to v3.0

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This commit is contained in:
Tom Hughes 2013-04-17 17:38:22 +01:00
parent 7614534bdb
commit 96d5517a9b
2 changed files with 56 additions and 51 deletions
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6
Vendorfile
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@ -25,4 +25,10 @@ folder 'vendor/assets' do
file 'leaflet.osm.js', 'leaflet-osm.js'
end
end
folder 'jquery' do
from 'git://github.com/jevin/Autogrow-Textarea.git' do
file 'jquery.autogrowtextarea.js', 'jquery.autogrowtextarea.js'
end
end
end

101
vendor/assets/jquery/jquery.autogrowtextarea.js vendored
View file

@ -1,61 +1,60 @@
/*!
* Autogrow Textarea Plugin Version v2.0
* http://www.technoreply.com/autogrow-textarea-plugin-version-2-0
/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <jevin9@gmail.com> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Jevin O. Sewaruth
* ----------------------------------------------------------------------------
*
* Copyright 2011, Jevin O. Sewaruth
* Autogrow Textarea Plugin Version v3.0
* http://www.technoreply.com/autogrow-textarea-plugin-3-0
*
* THIS PLUGIN IS DELIVERD ON A PAY WHAT YOU WHANT BASIS. IF THE PLUGIN WAS USEFUL TO YOU, PLEASE CONSIDER BUYING THE PLUGIN HERE :
* https://sites.fastspring.com/technoreply/instant/autogrowtextareaplugin
*
* Date: March 13, 2011
* Date: October 15, 2012
*/
jQuery.fn.autoGrow = function(){
return this.each(function(){
// Variables
var colsDefault = this.cols;
var rowsDefault = this.rows;
//Functions
var grow = function() {
growByRef(this);
}
var growByRef = function(obj) {
var linesCount = 0;
var lines = obj.value.split('\n');
for (var i=lines.length-1; i>=0; --i)
{
linesCount += Math.floor((lines[i].length / colsDefault) + 1);
}
if (linesCount >= rowsDefault)
obj.rows = linesCount + 1;
else
obj.rows = rowsDefault;
jQuery.fn.autoGrow = function() {
return this.each(function() {
var createMirror = function(textarea) {
jQuery(textarea).after('<div class="autogrow-textarea-mirror"></div>');
return jQuery(textarea).next('.autogrow-textarea-mirror')[0];
}
var characterWidth = function (obj){
var characterWidth = 0;
var temp1 = 0;
var temp2 = 0;
var tempCols = obj.cols;
obj.cols = 1;
temp1 = obj.offsetWidth;
obj.cols = 2;
temp2 = obj.offsetWidth;
characterWidth = temp2 - temp1;
obj.cols = tempCols;
return characterWidth;
var sendContentToMirror = function (textarea) {
mirror.innerHTML = String(textarea.value).replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(/'/g, '&#39;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\n/g, '<br />') + '.<br/>.';
if (jQuery(textarea).height() != jQuery(mirror).height())
jQuery(textarea).height(jQuery(mirror).height());
}
var growTextarea = function () {
sendContentToMirror(this);
}
// Create a mirror
var mirror = createMirror(this);
// Manipulations
this.style.width = "auto";
this.style.height = "auto";
// Style the mirror
mirror.style.display = 'none';
mirror.style.wordWrap = 'break-word';
mirror.style.padding = jQuery(this).css('padding');
mirror.style.width = jQuery(this).css('width');
mirror.style.fontFamily = jQuery(this).css('font-family');
mirror.style.fontSize = jQuery(this).css('font-size');
mirror.style.lineHeight = jQuery(this).css('line-height');
// Style the textarea
this.style.overflow = "hidden";
this.style.width = ((characterWidth(this) * this.cols) + 6) + "px";
this.onkeyup = grow;
this.onfocus = grow;
this.onblur = grow;
growByRef(this);
this.style.minHeight = this.rows+"em";
// Bind the textarea's event
this.onkeyup = growTextarea;
// Fire the event for text already present
sendContentToMirror(this);
});
};