193 lines
8.9 KiB
JavaScript
Executable File
193 lines
8.9 KiB
JavaScript
Executable File
/**
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* Version 2.4.0 Copyright (C) 2013
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* Tested in IE 11, FF 28.0 and Chrome 33.0.1750.154
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* No official support for other browsers, but will TRY to accommodate challenges in other browsers.
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* Example:
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* Print Button: <div id="print_button">Print</div>
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* Print Area : <div class="PrintArea" id="MyId" class="MyClass"> ... html ... </div>
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* Javascript : <script>
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* $("div#print_button").click(function(){
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* $("div.PrintArea").printArea( [OPTIONS] );
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* });
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* </script>
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* options are passed as json (example: {mode: "popup", popClose: false})
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*
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* {OPTIONS} | [type] | (default), values | Explanation
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* --------- | --------- | ---------------------- | -----------
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* @mode | [string] | (iframe),popup | printable window is either iframe or browser popup
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* @popHt | [number] | (500) | popup window height
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* @popWd | [number] | (400) | popup window width
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* @popX | [number] | (500) | popup window screen X position
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* @popY | [number] | (500) | popup window screen Y position
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* @popTitle | [string] | ('') | popup window title element
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* @popClose | [boolean] | (false),true | popup window close after printing
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* @extraCss | [string] | ('') | comma separated list of extra css to include
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* @retainAttr | [string[]] | ["id","class","style"] | string array of attributes to retain for the containment area. (ie: id, style, class)
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* @standard | [string] | strict, loose, (html5) | Only for popup. For html 4.01, strict or loose document standard, or html 5 standard
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* @extraHead | [string] | ('') | comma separated list of extra elements to be appended to the head tag
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*/
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(function($) {
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var counter = 0;
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var modes = { iframe : "iframe", popup : "popup" };
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var standards = { strict : "strict", loose : "loose", html5 : "html5" };
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var defaults = { mode : modes.iframe,
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standard : standards.html5,
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popHt : 500,
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popWd : 400,
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popX : 200,
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popY : 200,
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popTitle : '',
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popClose : false,
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extraCss : '',
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extraHead : '',
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retainAttr : ["id","class","style"] };
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var settings = {};//global settings
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$.fn.printArea = function( options )
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{
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$.extend( settings, defaults, options );
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counter++;
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var idPrefix = "printArea_";
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$( "[id^=" + idPrefix + "]" ).remove();
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settings.id = idPrefix + counter;
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var $printSource = $(this);
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var PrintAreaWindow = PrintArea.getPrintWindow();
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PrintArea.write( PrintAreaWindow.doc, $printSource );
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setTimeout( function () { PrintArea.print( PrintAreaWindow ); }, 1000 );
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};
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var PrintArea = {
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print : function( PAWindow ) {
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var paWindow = PAWindow.win;
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$(PAWindow.doc).ready(function(){
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paWindow.focus();
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paWindow.print();
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if ( settings.mode == modes.popup && settings.popClose )
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setTimeout(function() { paWindow.close(); }, 2000);
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});
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},
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write : function ( PADocument, $ele ) {
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PADocument.open();
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PADocument.write( PrintArea.docType() + "<html>" + PrintArea.getHead() + PrintArea.getBody( $ele ) + "</html>" );
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PADocument.close();
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},
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docType : function() {
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if ( settings.mode == modes.iframe ) return "";
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if ( settings.standard == standards.html5 ) return "<!DOCTYPE html>";
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var transitional = settings.standard == standards.loose ? " Transitional" : "";
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var dtd = settings.standard == standards.loose ? "loose" : "strict";
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return '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01' + transitional + '//EN" "http://www.w3.org/TR/html4/' + dtd + '.dtd">';
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},
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getHead : function() {
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var extraHead = "";
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var links = "";
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if ( settings.extraHead ) settings.extraHead.replace( /([^,]+)/g, function(m){ extraHead += m });
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$(document).find("link")
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.filter(function(){ // Requirement: <link> element MUST have rel="stylesheet" to be considered in print document
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var relAttr = $(this).attr("rel");
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return ($.type(relAttr) === 'undefined') == false && relAttr.toLowerCase() == 'stylesheet';
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})
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.filter(function(){ // Include if media is undefined, empty, print or all
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var mediaAttr = $(this).attr("media");
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return $.type(mediaAttr) === 'undefined' || mediaAttr == "" || mediaAttr.toLowerCase() == 'print' || mediaAttr.toLowerCase() == 'all'
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})
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.each(function(){
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links += '<link type="text/css" rel="stylesheet" href="' + $(this).attr("href") + '" >';
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});
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if ( settings.extraCss ) settings.extraCss.replace( /([^,\s]+)/g, function(m){ links += '<link type="text/css" rel="stylesheet" href="' + m + '">' });
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return "<head><title>" + settings.popTitle + "</title>" + extraHead + links + "</head>";
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},
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getBody : function ( elements ) {
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var htm = "";
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var attrs = settings.retainAttr;
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elements.each(function() {
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var ele = PrintArea.getFormData( $(this) );
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var attributes = ""
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for ( var x = 0; x < attrs.length; x++ )
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{
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var eleAttr = $(ele).attr( attrs[x] );
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if ( eleAttr ) attributes += (attributes.length > 0 ? " ":"") + attrs[x] + "='" + eleAttr + "'";
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}
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htm += '<div ' + attributes + '>' + $(ele).html() + '</div>';
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});
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return "<body>" + htm + "</body>";
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},
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getFormData : function ( ele ) {
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var copy = ele.clone();
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var copiedInputs = $("input,select,textarea", copy);
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$("input,select,textarea", ele).each(function( i ){
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var typeInput = $(this).attr("type");
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if ($.type(typeInput) === 'undefined') typeInput = $(this).is("select") ? "select" : $(this).is("textarea") ? "textarea" : "";
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var copiedInput = copiedInputs.eq( i );
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if ( typeInput == "radio" || typeInput == "checkbox" ) copiedInput.attr( "checked", $(this).is(":checked") );
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else if ( typeInput == "text" ) copiedInput.attr( "value", $(this).val() );
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else if ( typeInput == "select" )
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$(this).find( "option" ).each( function( i ) {
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if ( $(this).is(":selected") ) $("option", copiedInput).eq( i ).attr( "selected", true );
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});
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else if ( typeInput == "textarea" ) copiedInput.text( $(this).val() );
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});
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return copy;
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},
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getPrintWindow : function () {
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switch ( settings.mode )
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{
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case modes.iframe :
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var f = new PrintArea.Iframe();
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return { win : f.contentWindow || f, doc : f.doc };
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case modes.popup :
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var p = new PrintArea.Popup();
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return { win : p, doc : p.doc };
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}
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},
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Iframe : function () {
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var frameId = settings.id;
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var iframeStyle = 'border:0;position:absolute;width:0px;height:0px;right:0px;top:0px;';
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var iframe;
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try
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{
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iframe = document.createElement('iframe');
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document.body.appendChild(iframe);
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$(iframe).attr({ style: iframeStyle, id: frameId, src: "#" + new Date().getTime() });
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iframe.doc = null;
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iframe.doc = iframe.contentDocument ? iframe.contentDocument : ( iframe.contentWindow ? iframe.contentWindow.document : iframe.document);
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}
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catch( e ) { throw e + ". iframes may not be supported in this browser."; }
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if ( iframe.doc == null ) throw "Cannot find document.";
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return iframe;
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},
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Popup : function () {
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var windowAttr = "location=yes,statusbar=no,directories=no,menubar=no,titlebar=no,toolbar=no,dependent=no";
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windowAttr += ",width=" + settings.popWd + ",height=" + settings.popHt;
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windowAttr += ",resizable=yes,screenX=" + settings.popX + ",screenY=" + settings.popY + ",personalbar=no,scrollbars=yes";
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var newWin = window.open( "", "_blank", windowAttr );
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newWin.doc = newWin.document;
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return newWin;
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}
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};
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})(jQuery); |