| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | /** |
| A | 2 | * Version 2.3.3 Copyright (C) 2013 |
| 3 | * Tested in IE 10, FF 21.0 and Chrome 27.0.1453.110 | |
| 4 | * No official support for other browsers, but will TRY to accommodate challenges in other browsers. | |
| 5 | * Example: | |
| 6 | * Print Button: <div id="print_button">Print</div> | |
| 7 | * Print Area : <div class="PrintArea" id="MyId" class="MyClass"> ... html ... </div> | |
| 8 | * Javascript : <script> | |
| 9 | * $("div#print_button").click(function(){ | |
| 10 | * $("div.PrintArea").printArea( [OPTIONS] ); | |
| 11 | * }); | |
| 12 | * </script> | |
| 13 | * options are passed as json (example: {mode: "popup", popClose: false}) | |
| 14 | * | |
| 15 | * {OPTIONS} | [type] | (default), values | Explanation | |
| 16 | * --------- | --------- | ---------------------- | ----------- | |
| 17 | * @mode | [string] | (iframe),popup | printable window is either iframe or browser popup | |
| 18 | * @popHt | [number] | (500) | popup window height | |
| 19 | * @popWd | [number] | (400) | popup window width | |
| 20 | * @popX | [number] | (500) | popup window screen X position | |
| 21 | * @popY | [number] | (500) | popup window screen Y position | |
| 22 | * @popTitle | [string] | ('') | popup window title element | |
| 23 | * @popClose | [boolean] | (false),true | popup window close after printing | |
| 24 | * @extraCss | [string] | ('') | comma separated list of extra css to include | |
| 25 | * @retainAttr | [string[]] | ["id","class","style"] | string array of attributes to retain for the containment area. (ie: id, style, class) | |
| 26 | * @standard | [string] | strict, loose, (html5) | Only for popup. For html 4.01, strict or loose document standard, or html 5 standard | |
| 27 | * @extraHead | [string] | ('') | comma separated list of extra elements to be appended to the head tag | |
| 28 | */ | |
| 29 | (function($) { | |
| 30 | var counter = 0; | |
| 31 | var modes = { iframe : "iframe", popup : "popup" }; | |
| 32 | var standards = { strict : "strict", loose : "loose", html5 : "html5" }; | |
| 33 | var defaults = { mode : modes.iframe, | |
| 34 | standard : standards.html5, | |
| 35 | popHt : 500, | |
| 36 | popWd : 400, | |
| 37 | popX : 200, | |
| 38 | popY : 200, | |
| 39 | popTitle : '', | |
| 40 | popClose : false, | |
| 41 | extraCss : '', | |
| 42 | extraHead : '', | |
| 43 | retainAttr : ["id","class","style"] }; | |
| 44 | ||
| 45 | var settings = {};//global settings | |
| 46 | ||
| 47 | $.fn.printArea = function( options ) | |
| 48 | { | |
| 49 | $.extend( settings, defaults, options ); | |
| 50 | ||
| 51 | counter++; | |
| 52 | var idPrefix = "printArea_"; | |
| 53 | $( "[id^=" + idPrefix + "]" ).remove(); | |
| 54 | ||
| 55 | settings.id = idPrefix + counter; | |
| 56 | ||
| 57 | var writeDoc; | |
| 58 | var printWindow; | |
| 59 | ||
| 60 | switch ( settings.mode ) | |
| 61 | { | |
| 62 | case modes.iframe : | |
| 63 | var f = new Iframe(); | |
| 64 | writeDoc = f.doc; | |
| 65 | printWindow = f.contentWindow || f; | |
| 66 | break; | |
| 67 | case modes.popup : | |
| 68 | printWindow = new Popup(); | |
| 69 | writeDoc = printWindow.doc; | |
| 70 | } | |
| 71 | ||
| 72 | writeDoc.open(); | |
| 73 | writeDoc.write( docType() + "<html>" + getHead() + getBody( $(this) ) + "</html>" ); | |
| 74 | writeDoc.close(); | |
| 75 | ||
| 76 | $(writeDoc).ready(function(){ | |
| 77 | printWindow.focus(); | |
| 78 | printWindow.print(); | |
| 79 | ||
| 80 | if ( settings.mode == modes.popup && settings.popClose ) | |
| 81 | setTimeout(function() { printWindow.close(); }, 2000); | |
| 82 | }); | |
| 83 | } | |
| 84 | ||
| 85 | function docType() | |
| 86 | { | |
| 87 | if ( settings.mode == modes.iframe ) return ""; | |
| 88 | ||
| 89 | if ( settings.standard == standards.html5 ) return "<!DOCTYPE html>"; | |
| 90 | ||
| 91 | var transitional = settings.standard == standards.loose ? " Transitional" : ""; | |
| 92 | var dtd = settings.standard == standards.loose ? "loose" : "strict"; | |
| 93 | ||
| 94 | return '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01' + transitional + '//EN" "http://www.w3.org/TR/html4/' + dtd + '.dtd">'; | |
| 95 | } | |
| 96 | ||
| 97 | function getHead() | |
| 98 | { | |
| 99 | var extraHead = ""; | |
| 100 | var links = ""; | |
| 101 | ||
| 102 | if ( settings.extraHead ) settings.extraHead.replace( /([^,]+)/g, function(m){ extraHead += m }); | |
| 103 | ||
| 104 | $(document).find("link") | |
| 105 | .filter(function(){ // Requirement: <link> element MUST have rel="stylesheet" to be considered in print document | |
| 106 | var relAttr = $(this).attr("rel"); | |
| 107 | return ($.type(relAttr) === 'undefined') == false && relAttr.toLowerCase() == 'stylesheet'; | |
| 108 | }) | |
| 109 | .filter(function(){ // Include if media is undefined, empty, print or all | |
| 110 | var mediaAttr = $(this).attr("media"); | |
| 111 | return $.type(mediaAttr) === 'undefined' || mediaAttr == "" || mediaAttr.toLowerCase() == 'print' || mediaAttr.toLowerCase() == 'all' | |
| 112 | }) | |
| 113 | .each(function(){ | |
| 114 | links += '<link type="text/css" rel="stylesheet" href="' + $(this).attr("href") + '" >'; | |
| 115 | }); | |
| 116 | if ( settings.extraCss ) settings.extraCss.replace( /([^,\s]+)/g, function(m){ links += '<link type="text/css" rel="stylesheet" href="' + m + '">' }); | |
| 117 | ||
| 118 | return "<head><title>" + settings.popTitle + "</title>" + extraHead + links + "</head>"; | |
| 119 | } | |
| 120 | ||
| 121 | function getBody( elements ) | |
| 122 | { | |
| 123 | var htm = ""; | |
| 124 | var attrs = settings.retainAttr; | |
| 125 | elements.each(function() { | |
| 126 | var ele = getFormData( $(this) ); | |
| 127 | ||
| 128 | var attributes = "" | |
| 129 | for ( var x = 0; x < attrs.length; x++ ) | |
| 130 | { | |
| 131 | var eleAttr = $(ele).attr( attrs[x] ); | |
| 132 | if ( eleAttr ) attributes += (attributes.length > 0 ? " ":"") + attrs[x] + "='" + eleAttr + "'"; | |
| 133 | } | |
| 134 | ||
| 135 | htm += '<div ' + attributes + '>' + $(ele).html() + '</div>'; | |
| 136 | }); | |
| 137 | ||
| 138 | return "<body>" + htm + "</body>"; | |
| 139 | } | |
| 140 | ||
| 141 | function getFormData( ele ) | |
| 142 | { | |
| 143 | var copy = ele.clone(); | |
| 144 | var copiedInputs = $("input,select,textarea", copy); | |
| 145 | $("input,select,textarea", ele).each(function( i ){ | |
| 146 | var typeInput = $(this).attr("type"); | |
| 147 | if ($.type(typeInput) === 'undefined') typeInput = $(this).is("select") ? "select" : $(this).is("textarea") ? "textarea" : ""; | |
| 148 | var copiedInput = copiedInputs.eq( i ); | |
| 149 | ||
| 150 | if ( typeInput == "radio" || typeInput == "checkbox" ) copiedInput.attr( "checked", $(this).is(":checked") ); | |
| 151 | else if ( typeInput == "text" ) copiedInput.attr( "value", $(this).val() ); | |
| 152 | else if ( typeInput == "select" ) | |
| 153 | $(this).find( "option" ).each( function( i ) { | |
| 154 | if ( $(this).is(":selected") ) $("option", copiedInput).eq( i ).attr( "selected", true ); | |
| 155 | }); | |
| 156 | else if ( typeInput == "textarea" ) copiedInput.text( $(this).val() ); | |
| 157 | }); | |
| 158 | return copy; | |
| 159 | } | |
| 160 | ||
| 161 | function Iframe() | |
| 162 | { | |
| 163 | var frameId = settings.id; | |
| 164 | var iframeStyle = 'border:0;position:absolute;width:0px;height:0px;left:0px;top:0px;'; | |
| 165 | var iframe; | |
| 166 | ||
| 167 | try | |
| 168 | { | |
| 169 | iframe = document.createElement('iframe'); | |
| 170 | document.body.appendChild(iframe); | |
| 171 | $(iframe).attr({ style: iframeStyle, id: frameId, src: "" }); | |
| 172 | iframe.doc = null; | |
| 173 | iframe.doc = iframe.contentDocument ? iframe.contentDocument : ( iframe.contentWindow ? iframe.contentWindow.document : iframe.document); | |
| 174 | } | |
| 175 | catch( e ) { throw e + ". iframes may not be supported in this browser."; } | |
| 176 | ||
| 177 | if ( iframe.doc == null ) throw "Cannot find document."; | |
| 178 | ||
| 179 | return iframe; | |
| 180 | } | |
| 181 | ||
| 182 | function Popup() | |
| 183 | { | |
| 184 | var windowAttr = "location=yes,statusbar=no,directories=no,menubar=no,titlebar=no,toolbar=no,dependent=no"; | |
| 185 | windowAttr += ",width=" + settings.popWd + ",height=" + settings.popHt; | |
| 186 | windowAttr += ",resizable=yes,screenX=" + settings.popX + ",screenY=" + settings.popY + ",personalbar=no,scrollbars=yes"; | |
| 187 | ||
| 188 | var newWin = window.open( "", "_blank", windowAttr ); | |
| 189 | ||
| 190 | newWin.doc = newWin.document; | |
| 191 | ||
| 192 | return newWin; | |
| 193 | } | |
| 194 | })(jQuery); | |
