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Duidev Software House
181
public/jqwidgets/jquery.printElement.js
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181
public/jqwidgets/jquery.printElement.js
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/// <reference path="http://code.jquery.com/jquery-1.4.1-vsdoc.js" />
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/*
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* Print Element Plugin 1.2
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*
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* Copyright (c) 2010 Erik Zaadi
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*
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* Inspired by PrintArea (http://plugins.jquery.com/project/PrintArea) and
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* http://stackoverflow.com/questions/472951/how-do-i-print-an-iframe-from-javascript-in-safari-chrome
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*
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* Home Page : http://projects.erikzaadi/jQueryPlugins/jQuery.printElement
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* Issues (bug reporting) : http://github.com/erikzaadi/jQueryPlugins/issues/labels/printElement
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* jQuery plugin page : http://plugins.jquery.com/project/printElement
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*
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* Thanks to David B (http://github.com/ungenio) and icgJohn (http://www.blogger.com/profile/11881116857076484100)
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* For their great contributions!
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*
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* Dual licensed under the MIT and GPL licenses:
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* http://www.opensource.org/licenses/mit-license.php
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* http://www.gnu.org/licenses/gpl.html
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*
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* Note, Iframe Printing is not supported in Opera and Chrome 3.0, a popup window will be shown instead
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*/
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; (function (window, undefined) {
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var document = window["document"];
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var $ = window["jQuery"];
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$.fn["printElement"] = function (options) {
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var mainOptions = $.extend({}, $.fn["printElement"]["defaults"], options);
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//iframe mode is not supported for opera and chrome 3.0 (it prints the entire page).
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//http://www.google.com/support/forum/p/Webmasters/thread?tid=2cb0f08dce8821c3&hl=en
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if (mainOptions["printMode"] == 'iframe') {
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if ($.browser.opera || (/chrome/.test(navigator.userAgent.toLowerCase())))
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mainOptions["printMode"] = 'popup';
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}
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//Remove previously printed iframe if exists
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$("[id^='printElement_']").remove();
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return this.each(function () {
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//Support Metadata Plug-in if available
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var opts = $.meta ? $.extend({}, mainOptions, $(this).data()) : mainOptions;
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_printElement($(this), opts);
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});
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};
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$.fn["printElement"]["defaults"] = {
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"printMode": 'iframe', //Usage : iframe / popup
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"pageTitle": '', //Print Page Title
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"overrideElementCSS": null,
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/* Can be one of the following 3 options:
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* 1 : boolean (pass true for stripping all css linked)
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* 2 : array of $.fn.printElement.cssElement (s)
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* 3 : array of strings with paths to alternate css files (optimized for print)
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*/
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"printBodyOptions": {
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"styleToAdd": 'padding:10px;margin:10px;', //style attributes to add to the body of print document
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"classNameToAdd": '' //css class to add to the body of print document
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},
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"leaveOpen": false, // in case of popup, leave the print page open or not
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"iframeElementOptions": {
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"styleToAdd": 'border:none;position:absolute;width:0px;height:0px;bottom:0px;left:0px;', //style attributes to add to the iframe element
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"classNameToAdd": '' //css class to add to the iframe element
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}
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};
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$.fn["printElement"]["cssElement"] = {
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"href": '',
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"media": ''
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};
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function _printElement(element, opts) {
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//Create markup to be printed
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var html = _getMarkup(element, opts);
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var popupOrIframe = null;
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var documentToWriteTo = null;
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if (opts["printMode"].toLowerCase() == 'popup') {
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popupOrIframe = window.open('about:blank', 'printElementWindow', 'width=650,height=440,scrollbars=yes');
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documentToWriteTo = popupOrIframe.document;
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}
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else {
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//The random ID is to overcome a safari bug http://www.cjboco.com.sharedcopy.com/post.cfm/442dc92cd1c0ca10a5c35210b8166882.html
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var printElementID = "printElement_" + (Math.round(Math.random() * 99999)).toString();
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//Native creation of the element is faster..
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var iframe = document.createElement('IFRAME');
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$(iframe).attr({
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style: opts["iframeElementOptions"]["styleToAdd"],
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id: printElementID,
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className: opts["iframeElementOptions"]["classNameToAdd"],
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frameBorder: 0,
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scrolling: 'no',
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src: 'about:blank'
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});
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document.body.appendChild(iframe);
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documentToWriteTo = (iframe.contentWindow || iframe.contentDocument);
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if (documentToWriteTo.document)
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documentToWriteTo = documentToWriteTo.document;
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iframe = document.frames ? document.frames[printElementID] : document.getElementById(printElementID);
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popupOrIframe = iframe.contentWindow || iframe;
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}
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focus();
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documentToWriteTo.open();
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documentToWriteTo.write(html);
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documentToWriteTo.close();
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_callPrint(popupOrIframe);
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};
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function _callPrint(element) {
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if (element && element["printPage"])
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element["printPage"]();
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else
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setTimeout(function () {
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_callPrint(element);
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}, 50);
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}
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function _getElementHTMLIncludingFormElements(element) {
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var $element = $(element);
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//Radiobuttons and checkboxes
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$(":checked", $element).each(function () {
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this.setAttribute('checked', 'checked');
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});
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//simple text inputs
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$("input[type='text']", $element).each(function () {
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this.setAttribute('value', $(this).val());
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});
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$("select", $element).each(function () {
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var $select = $(this);
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$("option", $select).each(function () {
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if ($select.val() == $(this).val())
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this.setAttribute('selected', 'selected');
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});
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});
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$("textarea", $element).each(function () {
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//Thanks http://blog.ekini.net/2009/02/24/jquery-getting-the-latest-textvalue-inside-a-textarea/
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var value = $(this).attr('value');
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//fix for issue 7 (http://plugins.jquery.com/node/13503 and http://github.com/erikzaadi/jQueryPlugins/issues#issue/7)
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if ($.browser.mozilla && this.firstChild)
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this.firstChild.textContent = value;
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else
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this.innerHTML = value;
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});
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//http://dbj.org/dbj/?p=91
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var elementHtml = $('<div></div>').append($element.clone()).html();
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return elementHtml;
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}
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function _getBaseHref() {
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var port = (window.location.port) ? ':' + window.location.port : '';
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return window.location.protocol + '//' + window.location.hostname + port + window.location.pathname;
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}
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function _getMarkup(element, opts) {
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var $element = $(element);
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var elementHtml = _getElementHTMLIncludingFormElements(element);
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var html = new Array();
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html.push('<html><head><title>' + opts["pageTitle"] + '</title>');
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if (opts["overrideElementCSS"]) {
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if (opts["overrideElementCSS"].length > 0) {
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for (var x = 0; x < opts["overrideElementCSS"].length; x++) {
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var current = opts["overrideElementCSS"][x];
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if (typeof (current) == 'string')
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html.push('<link type="text/css" rel="stylesheet" href="' + current + '" >');
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else
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html.push('<link type="text/css" rel="stylesheet" href="' + current["href"] + '" media="' + current["media"] + '" >');
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}
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}
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}
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else {
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$("link", document).filter(function () {
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return $(this).attr("rel").toLowerCase() == "stylesheet";
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}).each(function () {
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html.push('<link type="text/css" rel="stylesheet" href="' + $(this).attr("href") + '" media="' + $(this).attr('media') + '" >');
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});
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}
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//Ensure that relative links work
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html.push('<base href="' + _getBaseHref() + '" />');
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html.push('</head><body style="' + opts["printBodyOptions"]["styleToAdd"] + '" class="' + opts["printBodyOptions"]["classNameToAdd"] + '">');
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html.push('<div class="' + $element.attr('class') + '">' + elementHtml + '</div>');
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html.push('<script type="text/javascript">function printPage(){focus();print();' + ((!$.browser.opera && !opts["leaveOpen"] && opts["printMode"].toLowerCase() == 'popup') ? 'close();' : '') + '}</script>');
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html.push('</body></html>');
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return html.join('');
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};
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})(window);
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