/**
* 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);