/**
* Version 2.3.3 Copyright (C) 2013
* Tested in IE 10, FF 21.0 and Chrome 27.0.1453.110
* No official support for other browsers, but will TRY to accommodate challenges in other browsers.
* Example:
* Print Button: <div id="print_button">Print</div>
* Print Area : <div class="PrintArea" id="MyId" class="MyClass"> ... html ... </div>
* Javascript : <script>
* $("div#print_button").click(function(){
* $("div.PrintArea").printArea( [OPTIONS] );
* });
* </script>
* options are passed as json (example: {mode: "popup", popClose: false})
*
* {OPTIONS} | [type] | (default), values | Explanation
* --------- | --------- | ---------------------- | -----------
* @mode | [string] | (iframe),popup | printable window is either iframe or browser popup
* @popHt | [number] | (500) | popup window height
* @popWd | [number] | (400) | popup window width
* @popX | [number] | (500) | popup window screen X position
* @popY | [number] | (500) | popup window screen Y position
* @popTitle | [string] | ('') | popup window title element
* @popClose | [boolean] | (false),true | popup window close after printing
* @extraCss | [string] | ('') | comma separated list of extra css to include
* @retainAttr | [string[]] | ["id","class","style"] | string array of attributes to retain for the containment area. (ie: id, style, class)
* @standard | [string] | strict, loose, (html5) | Only for popup. For html 4.01, strict or loose document standard, or html 5 standard
* @extraHead | [string] | ('') | comma separated list of extra elements to be appended to the head tag
*/
(function($) {
var counter = 0;
var modes = { iframe : "iframe", popup : "popup" };
var standards = { strict : "strict", loose : "loose", html5 : "html5" };
var defaults = { mode : modes.iframe,
standard : standards.html5,
popHt : 500,
popWd : 400,
popX : 200,
popY : 200,
popTitle : '',
popClose : false,
extraCss : '',
extraHead : '',
retainAttr : ["id","class","style"] };
var settings = {};//global settings
$.fn.printArea = function( options )
{
$.extend( settings, defaults, options );
counter++;
var idPrefix = "printArea_";
$( "[id^=" + idPrefix + "]" ).remove();
settings.id = idPrefix + counter;
var writeDoc;
var printWindow;
switch ( settings.mode )
{
case modes.iframe :
var f = new Iframe();
writeDoc = f.doc;
printWindow = f.contentWindow || f;
break;
case modes.popup :
printWindow = new Popup();
writeDoc = printWindow.doc;
}
writeDoc.open();
writeDoc.write( docType() + "<html>" + getHead() + getBody( $(this) ) + "</html>" );
writeDoc.close();
$(writeDoc).ready(function(){
printWindow.focus();
printWindow.print();
if ( settings.mode == modes.popup && settings.popClose )
setTimeout(function() { printWindow.close(); }, 2000);
});
}
function docType()
{
if ( settings.mode == modes.iframe ) return "";
if ( settings.standard == standards.html5 ) return "<!DOCTYPE html>";
var transitional = settings.standard == standards.loose ? " Transitional" : "";
var dtd = settings.standard == standards.loose ? "loose" : "strict";
return '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01' + transitional + '//EN" "http://www.w3.org/TR/html4/' + dtd + '.dtd">';
}
function getHead()
{
var extraHead = "";
var links = "";
if ( settings.extraHead ) settings.extraHead.replace( /([^,]+)/g, function(m){ extraHead += m });
$(document).find("link")
.filter(function(){ // Requirement: <link> element MUST have rel="stylesheet" to be considered in print document
var relAttr = $(this).attr("rel");
return ($.type(relAttr) === 'undefined') == false && relAttr.toLowerCase() == 'stylesheet';
})
.filter(function(){ // Include if media is undefined, empty, print or all
var mediaAttr = $(this).attr("media");
return $.type(mediaAttr) === 'undefined' || mediaAttr == "" || mediaAttr.toLowerCase() == 'print' || mediaAttr.toLowerCase() == 'all'
})
.each(function(){
links += '<link type="text/css" rel="stylesheet" href="' + $(this).attr("href") + '" >';
});
if ( settings.extraCss ) settings.extraCss.replace( /([^,\s]+)/g, function(m){ links += '<link type="text/css" rel="stylesheet" href="' + m + '">' });
return "<head><title>" + settings.popTitle + "</title>" + extraHead + links + "</head>";
}
function getBody( elements )
{
var htm = "";
var attrs = settings.retainAttr;
elements.each(function() {
var ele = getFormData( $(this) );
var attributes = ""
for ( var x = 0; x < attrs.length; x++ )
{
var eleAttr = $(ele).attr( attrs[x] );
if ( eleAttr ) attributes += (attributes.length > 0 ? " ":"") + attrs[x] + "='" + eleAttr + "'";
}
htm += '<div ' + attributes + '>' + $(ele).html() + '</div>';
});
return "<body>" + htm + "</body>";
}
function getFormData( ele )
{
var copy = ele.clone();
var copiedInputs = $("input,select,textarea", copy);
$("input,select,textarea", ele).each(function( i ){
var typeInput = $(this).attr("type");
if ($.type(typeInput) === 'undefined') typeInput = $(this).is("select") ? "select" : $(this).is("textarea") ? "textarea" : "";
var copiedInput = copiedInputs.eq( i );
if ( typeInput == "radio" || typeInput == "checkbox" ) copiedInput.attr( "checked", $(this).is(":checked") );
else if ( typeInput == "text" ) copiedInput.attr( "value", $(this).val() );
else if ( typeInput == "select" )
$(this).find( "option" ).each( function( i ) {
if ( $(this).is(":selected") ) $("option", copiedInput).eq( i ).attr( "selected", true );
});
else if ( typeInput == "textarea" ) copiedInput.text( $(this).val() );
});
return copy;
}
function Iframe()
{
var frameId = settings.id;
var iframeStyle = 'border:0;position:absolute;width:0px;height:0px;left:0px;top:0px;';
var iframe;
try
{
iframe = document.createElement('iframe');
document.body.appendChild(iframe);
$(iframe).attr({ style: iframeStyle, id: frameId, src: "" });
iframe.doc = null;
iframe.doc = iframe.contentDocument ? iframe.contentDocument : ( iframe.contentWindow ? iframe.contentWindow.document : iframe.document);
}
catch( e ) { throw e + ". iframes may not be supported in this browser."; }
if ( iframe.doc == null ) throw "Cannot find document.";
return iframe;
}
function Popup()
{
var windowAttr = "location=yes,statusbar=no,directories=no,menubar=no,titlebar=no,toolbar=no,dependent=no";
windowAttr += ",width=" + settings.popWd + ",height=" + settings.popHt;
windowAttr += ",resizable=yes,screenX=" + settings.popX + ",screenY=" + settings.popY + ",personalbar=no,scrollbars=yes";
var newWin = window.open( "", "_blank", windowAttr );
newWin.doc = newWin.document;
return newWin;
}
})(jQuery);