WordPress/wp-includes/js/thickbox/thickbox.js

339 lines
13 KiB
JavaScript

/*
* Thickbox 3.1 - One Box To Rule Them All.
* By Cody Lindley (http://www.codylindley.com)
* Copyright (c) 2007 cody lindley
* Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
*/
if ( typeof tb_pathToImage != 'string' ) {
var tb_pathToImage = thickboxL10n.loadingAnimation;
}
/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/
//on page load call tb_init
jQuery(document).ready(function(){
tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
imgLoader = new Image();// preload image
imgLoader.src = tb_pathToImage;
});
/*
* Add thickbox to href & area elements that have a class of .thickbox.
* Remove the loading indicator when content in an iframe has loaded.
*/
function tb_init(domChunk){
jQuery( 'body' )
.on( 'click', domChunk, tb_click )
.on( 'thickbox:iframe:loaded', function() {
jQuery( '#TB_window' ).removeClass( 'thickbox-loading' );
});
}
function tb_click(){
var t = this.title || this.name || null;
var a = this.href || this.alt;
var g = this.rel || false;
tb_show(t,a,g);
this.blur();
return false;
}
function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
var $closeBtn;
try {
if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
jQuery("body","html").css({height: "100%", width: "100%"});
jQuery("html").css("overflow","hidden");
if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
jQuery("body").append("<iframe id='TB_HideSelect'>"+thickboxL10n.noiframes+"</iframe><div id='TB_overlay'></div><div id='TB_window' class='thickbox-loading'></div>");
jQuery("#TB_overlay").on( 'click', tb_remove );
}
}else{//all others
if(document.getElementById("TB_overlay") === null){
jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window' class='thickbox-loading'></div>");
jQuery("#TB_overlay").on( 'click', tb_remove );
jQuery( 'body' ).addClass( 'modal-open' );
}
}
if(tb_detectMacXFF()){
jQuery("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
}else{
jQuery("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
}
if(caption===null){caption="";}
jQuery("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' width='208' /></div>");//add loader to the page
jQuery('#TB_load').show();//show loader
var baseURL;
if(url.indexOf("?")!==-1){ //ff there is a query string involved
baseURL = url.substr(0, url.indexOf("?"));
}else{
baseURL = url;
}
var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
var urlType = baseURL.toLowerCase().match(urlString);
if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
TB_PrevCaption = "";
TB_PrevURL = "";
TB_PrevHTML = "";
TB_NextCaption = "";
TB_NextURL = "";
TB_NextHTML = "";
TB_imageCount = "";
TB_FoundURL = false;
if(imageGroup){
TB_TempArray = jQuery("a[rel="+imageGroup+"]").get();
for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
if (!(TB_TempArray[TB_Counter].href == url)) {
if (TB_FoundURL) {
TB_NextCaption = TB_TempArray[TB_Counter].title;
TB_NextURL = TB_TempArray[TB_Counter].href;
TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>"+thickboxL10n.next+"</a></span>";
} else {
TB_PrevCaption = TB_TempArray[TB_Counter].title;
TB_PrevURL = TB_TempArray[TB_Counter].href;
TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>"+thickboxL10n.prev+"</a></span>";
}
} else {
TB_FoundURL = true;
TB_imageCount = thickboxL10n.image + ' ' + (TB_Counter + 1) + ' ' + thickboxL10n.of + ' ' + (TB_TempArray.length);
}
}
}
imgPreloader = new Image();
imgPreloader.onload = function(){
imgPreloader.onload = null;
// Resizing large images - original by Christian Montoya edited by me.
var pagesize = tb_getPageSize();
var x = pagesize[0] - 150;
var y = pagesize[1] - 150;
var imageWidth = imgPreloader.width;
var imageHeight = imgPreloader.height;
if (imageWidth > x) {
imageHeight = imageHeight * (x / imageWidth);
imageWidth = x;
if (imageHeight > y) {
imageWidth = imageWidth * (y / imageHeight);
imageHeight = y;
}
} else if (imageHeight > y) {
imageWidth = imageWidth * (y / imageHeight);
imageHeight = y;
if (imageWidth > x) {
imageHeight = imageHeight * (x / imageWidth);
imageWidth = x;
}
}
// End Resizing
TB_WIDTH = imageWidth + 30;
TB_HEIGHT = imageHeight + 60;
jQuery("#TB_window").append("<a href='' id='TB_ImageOff'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><button type='button' id='TB_closeWindowButton'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><span class='tb-close-icon'></span></button></div>");
jQuery("#TB_closeWindowButton").on( 'click', tb_remove );
if (!(TB_PrevHTML === "")) {
function goPrev(){
if(jQuery(document).off("click",goPrev)){jQuery(document).off("click",goPrev);}
jQuery("#TB_window").remove();
jQuery("body").append("<div id='TB_window'></div>");
tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
return false;
}
jQuery("#TB_prev").on( 'click', goPrev );
}
if (!(TB_NextHTML === "")) {
function goNext(){
jQuery("#TB_window").remove();
jQuery("body").append("<div id='TB_window'></div>");
tb_show(TB_NextCaption, TB_NextURL, imageGroup);
return false;
}
jQuery("#TB_next").on( 'click', goNext );
}
jQuery(document).on('keydown.thickbox', function(e){
if ( e.which == 27 ){ // close
tb_remove();
} else if ( e.which == 190 ){ // display previous image
if(!(TB_NextHTML == "")){
jQuery(document).off('thickbox');
goNext();
}
} else if ( e.which == 188 ){ // display next image
if(!(TB_PrevHTML == "")){
jQuery(document).off('thickbox');
goPrev();
}
}
return false;
});
tb_position();
jQuery("#TB_load").remove();
jQuery("#TB_ImageOff").on( 'click', tb_remove );
jQuery("#TB_window").css({'visibility':'visible'}); //for safari using css instead of show
};
imgPreloader.src = url;
}else{//code to show html
var queryString = url.replace(/^[^\?]+\??/,'');
var params = tb_parseQuery( queryString );
TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no parameters were added to URL
TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no parameters were added to URL
ajaxContentW = TB_WIDTH - 30;
ajaxContentH = TB_HEIGHT - 45;
if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window
urlNoQuery = url.split('TB_');
jQuery("#TB_iframeContent").remove();
if(params['modal'] != "true"){//iframe no modal
jQuery("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><button type='button' id='TB_closeWindowButton'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><span class='tb-close-icon'></span></button></div></div><iframe frameborder='0' hspace='0' allowtransparency='true' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' >"+thickboxL10n.noiframes+"</iframe>");
}else{//iframe modal
jQuery("#TB_overlay").off();
jQuery("#TB_window").append("<iframe frameborder='0' hspace='0' allowtransparency='true' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'>"+thickboxL10n.noiframes+"</iframe>");
}
}else{// not an iframe, ajax
if(jQuery("#TB_window").css("visibility") != "visible"){
if(params['modal'] != "true"){//ajax no modal
jQuery("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><button type='button' id='TB_closeWindowButton'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><span class='tb-close-icon'></span></button></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
}else{//ajax modal
jQuery("#TB_overlay").off();
jQuery("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
}
}else{//this means the window is already up, we are just loading new content via ajax
jQuery("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
jQuery("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
jQuery("#TB_ajaxContent")[0].scrollTop = 0;
jQuery("#TB_ajaxWindowTitle").html(caption);
}
}
jQuery("#TB_closeWindowButton").on( 'click', tb_remove );
if(url.indexOf('TB_inline') != -1){
jQuery("#TB_ajaxContent").append(jQuery('#' + params['inlineId']).children());
jQuery("#TB_window").on('tb_unload', function () {
jQuery('#' + params['inlineId']).append( jQuery("#TB_ajaxContent").children() ); // move elements back when you're finished
});
tb_position();
jQuery("#TB_load").remove();
jQuery("#TB_window").css({'visibility':'visible'});
}else if(url.indexOf('TB_iframe') != -1){
tb_position();
jQuery("#TB_load").remove();
jQuery("#TB_window").css({'visibility':'visible'});
}else{
var load_url = url;
load_url += -1 === url.indexOf('?') ? '?' : '&';
jQuery("#TB_ajaxContent").load(load_url += "random=" + (new Date().getTime()),function(){//to do a post change this load method
tb_position();
jQuery("#TB_load").remove();
tb_init("#TB_ajaxContent a.thickbox");
jQuery("#TB_window").css({'visibility':'visible'});
});
}
}
if(!params['modal']){
jQuery(document).on('keydown.thickbox', function(e){
if ( e.which == 27 ){ // close
tb_remove();
return false;
}
});
}
$closeBtn = jQuery( '#TB_closeWindowButton' );
/*
* If the native Close button icon is visible, move focus on the button
* (e.g. in the Network Admin Themes screen).
* In other admin screens is hidden and replaced by a different icon.
*/
if ( $closeBtn.find( '.tb-close-icon' ).is( ':visible' ) ) {
$closeBtn.trigger( 'focus' );
}
} catch(e) {
//nothing here
}
}
//helper functions below
function tb_showIframe(){
jQuery("#TB_load").remove();
jQuery("#TB_window").css({'visibility':'visible'}).trigger( 'thickbox:iframe:loaded' );
}
function tb_remove() {
jQuery("#TB_imageOff").off("click");
jQuery("#TB_closeWindowButton").off("click");
jQuery( '#TB_window' ).fadeOut( 'fast', function() {
jQuery( '#TB_window, #TB_overlay, #TB_HideSelect' ).trigger( 'tb_unload' ).off().remove();
jQuery( 'body' ).trigger( 'thickbox:removed' );
});
jQuery( 'body' ).removeClass( 'modal-open' );
jQuery("#TB_load").remove();
if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
jQuery("body","html").css({height: "auto", width: "auto"});
jQuery("html").css("overflow","");
}
jQuery(document).off('.thickbox');
return false;
}
function tb_position() {
var isIE6 = typeof document.body.style.maxHeight === "undefined";
jQuery("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
if ( ! isIE6 ) { // take away IE6
jQuery("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
}
}
function tb_parseQuery ( query ) {
var Params = {};
if ( ! query ) {return Params;}// return empty object
var Pairs = query.split(/[;&]/);
for ( var i = 0; i < Pairs.length; i++ ) {
var KeyVal = Pairs[i].split('=');
if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
var key = unescape( KeyVal[0] );
var val = unescape( KeyVal[1] );
val = val.replace(/\+/g, ' ');
Params[key] = val;
}
return Params;
}
function tb_getPageSize(){
var de = document.documentElement;
var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
arrayPageSize = [w,h];
return arrayPageSize;
}
function tb_detectMacXFF() {
var userAgent = navigator.userAgent.toLowerCase();
if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
return true;
}
}