// http://plugins.jquery.com/project/PrintArea
(function($) {
var counter = 0;
var modes = { iframe : "iframe", popup : "popup" };
var defaults = { mode : modes.iframe,
popHt : 500,
popWd : 400,
popX : 200,
popY : 200,
popTitle : '',
popClose : false };
var settings = {};//global settings
$.fn.printArea = function( options )
{
$.extend( settings, defaults, options );
counter++;
var idPrefix = "printArea_";
$( "[id^=" + idPrefix + "]" ).remove();
var ele = getFormData( $(this) );
settings.id = idPrefix + counter;
var writeDoc;
var printWindow;
switch ( settings.mode )
{
case modes.iframe :
var f = new Iframe();
writeDoc = f.doc;
printWindow = f.contentWindow || f;
break;
case modes.popup :
printWindow = new Popup();
writeDoc = printWindow.doc;
}
writeDoc.open();
writeDoc.write( docType() + "" + getHead() + getBody(ele) + "" );
writeDoc.close();
printWindow.focus();
printWindow.print();
if ( settings.mode == modes.popup && settings.popClose )
printWindow.close();
}
function docType()
{
if ( settings.mode == modes.iframe || !settings.strict ) return "";
var standard = settings.strict == false ? " Trasitional" : "";
var dtd = settings.strict == false ? "loose" : "strict";
return '';
}
function getHead()
{
var head = "" + settings.popTitle + "";
$(document).find("link")
.filter(function(){
return $(this).attr("rel").toLowerCase() == "stylesheet";
})
.filter(function(){ // this filter contributed by "mindinquiring"
var media = $(this).attr("media");
return (media.toLowerCase() == "" || media.toLowerCase() == "print")
})
.each(function(){
head += '';
});
head += "";
return head;
}
function getBody( printElement )
{
return '
' + $(printElement).html() + '
';
}
function getFormData( ele )
{
$("input,select,textarea", ele).each(function(){
// In cases where radio, checkboxes and select elements are selected and deselected, and the print
// button is pressed between select/deselect, the print screen shows incorrectly selected elements.
// To ensure that the correct inputs are selected, when eventually printed, we must inspect each dom element
var type = $(this).attr("type");
if ( type == "radio" || type == "checkbox" )
{
if ( $(this).is(":not(:checked)") ) this.removeAttribute("checked");
else this.setAttribute( "checked", true );
}
else if ( type == "text" )
this.setAttribute( "value", $(this).val() );
else if ( type == "select-multiple" || type == "select-one" )
$(this).find( "option" ).each( function() {
if ( $(this).is(":not(:selected)") ) this.removeAttribute("selected");
else this.setAttribute( "selected", true );
});
else if ( type == "textarea" )
{
var v = $(this).attr( "value" );
if ($.browser.mozilla)
{
if (this.firstChild) this.firstChild.textContent = v;
else this.textContent = v;
}
else this.innerHTML = v;
}
});
return ele;
}
function Iframe()
{
var frameId = settings.id;
var iframeStyle = 'border:0;position:absolute;width:0px;height:0px;left:0px;top:0px;';
var iframe;
try
{
iframe = document.createElement('iframe');
document.body.appendChild(iframe);
$(iframe).attr({ style: iframeStyle, id: frameId, src: "" });
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;
}
function Popup()
{
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=no";
var newWin = window.open( "", "_blank", windowAttr );
newWin.doc = newWin.document;
return newWin;
}
})(jQuery);