/**
* version 2.4.0 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") {
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);