/**
* version 2.4.1 copyright (c) 2013
* tested in ie 11, ff 28.0 and chrome 33.0.1750.154
* no official support for other browsers, but will try to accommodate challenges in other browsers.
* example:
* print button:
print
* print area :
... html ...
* javascript :
* 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 $printsource = $(this);
var printareawindow = printarea.getprintwindow();
printarea.write( printareawindow.doc, $printsource );
settimeout( function () { printarea.print( printareawindow ); }, 1000 );
};
var printarea = {
print : function( pawindow ) {
var pawindow = pawindow.win;
$(pawindow.doc).ready(function(){
pawindow.focus();
pawindow.print();
if ( settings.mode == modes.popup && settings.popclose )
settimeout(function() { pawindow.close(); }, 2000);
});
},
write : function ( padocument, $ele ) {
padocument.open();
padocument.write( printarea.doctype() + "" + printarea.gethead() + printarea.getbody( $ele ) + "" );
padocument.close();
},
doctype : function() {
if ( settings.mode == modes.iframe ) return "";
if ( settings.standard == standards.html5 ) return "";
var transitional = settings.standard == standards.loose ? " transitional" : "";
var dtd = settings.standard == standards.loose ? "loose" : "strict";
return '';
},
gethead : function() {
var extrahead = "";
var links = "";
if ( settings.extrahead ) settings.extrahead.replace( /([^,]+)/g, function(m){ extrahead += m });
$(document).find("link")
.filter(function(){ // requirement: 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 += '';
});
if ( settings.extracss ) settings.extracss.replace( /([^,\s]+)/g, function(m){ links += '' });
return "" + settings.poptitle + "" + extrahead + links + "";
},
getbody : function ( elements ) {
var htm = "";
var attrs = settings.retainattr;
elements.each(function() {
var ele = printarea.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 += '
' + $(ele).html() + '
';
});
return "" + htm + "";
},
getformdata : function ( 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" || typeinput == "" ) 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;
},
getprintwindow : function () {
switch ( settings.mode )
{
case modes.iframe :
var f = new printarea.iframe();
return { win : f.contentwindow || f, doc : f.doc };
case modes.popup :
var p = new printarea.popup();
return { win : p, doc : p.doc };
}
},
iframe : function () {
var frameid = settings.id;
var iframestyle = 'border:0;position:absolute;width:0px;height:0px;right:0px;top:0px;';
var iframe;
try
{
iframe = document.createelement('iframe');
document.body.appendchild(iframe);
$(iframe).attr({ style: iframestyle, id: frameid, src: "#" + new date().gettime() });
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;
},
popup : function () {
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);