📄 jquery.lightbox-0.4.js
字号:
/**
* jQuery lightBox plugin
* This jQuery plugin was inspired and based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
* and adapted to me for use like a plugin from jQuery.
* @name jquery-lightbox-0.4.js
* @author Leandro Vieira Pinho - http://leandrovieira.com
* @version 0.4
* @date November 17, 2007
* @category jQuery plugin
* @copyright (c) 2007 Leandro Vieira Pinho (leandrovieira.com)
* @license CC Attribution-No Derivative Works 2.5 Brazil - http://creativecommons.org/licenses/by-nd/2.5/br/deed.en_US
* @example Visit http://leandrovieira.com/projects/jquery/lightbox/ for more informations about this jQuery plugin
*/
// Offering a Custom Alias suport - More info: http://docs.jquery.com/Plugins/Authoring#Custom_Alias
(function($) {
/**
* $ is an alias to jQuery object
*
*/
$.fn.lightBox = function(settings) {
// Settings to configure the jQuery lightBox plugin how you like
settings = jQuery.extend({
// Configuration related to overlay
overlayBgColor: '#000', // (string) Background color to overlay; inform a hexadecimal value like: #RRGGBB. Where RR, GG, and BB are the hexadecimal values for the red, green, and blue values of the color.
overlayOpacity: 0.8, // (integer) Opacity value to overlay; inform: 0.X. Where X are number from 0 to 9
// Configuration related to images
imageLoading: 'images/lightbox-ico-loading.gif', // (string) Path and the name of the loading icon
imageBtnPrev: 'images/lightbox-btn-prev.gif', // (string) Path and the name of the prev button image
imageBtnNext: 'images/lightbox-btn-next.gif', // (string) Path and the name of the next button image
imageBtnClose: 'images/lightbox-btn-close.gif', // (string) Path and the name of the close btn
imageBlank: 'images/lightbox-blank.gif', // (string) Path and the name of a blank image (one pixel)
// Configuration related to container image box
containerBorderSize: 10, // (integer) If you adjust the padding in the CSS for the container, #lightbox-container-image-box, you will need to update this value
containerResizeSpeed: 400, // (integer) Specify the resize duration of container image. These number are miliseconds. 400 is default.
// Configuration related to texts in caption. For example: Image 2 of 8. You can alter either "Image" and "of" texts.
txtImage: 'Image', // (string) Specify text "Image"
txtOf: 'of', // (string) Specify text "of"
// Configuration related to keyboard navigation
keyToClose: 'c', // (string) (c = close) Letter to close the jQuery lightBox interface. Beyond this letter, the letter X and the SCAPE key is used to.
keyToPrev: 'p', // (string) (p = previous) Letter to show the previous image
keyToNext: 'n', // (string) (n = next) Letter to show the next image.
// Don磘 alter these variables in any way
imageArray: [],
activeImage: 0
},settings);
// Caching the jQuery object with all elements matched
var jQueryMatchedObj = this; // This, in this context, refer to jQuery object
/**
* Initializing the plugin calling the start function
*
* @return boolean false
*/
function _initialize() {
_start(this,jQueryMatchedObj); // This, in this context, refer to object (link) which the user have clicked
return false; // Avoid the browser following the link
}
/**
* Start the jQuery lightBox plugin
*
* @param object objClicked The object (link) whick the user have clicked
* @param object jQueryMatchedObj The jQuery object with all elements matched
*/
function _start(objClicked,jQueryMatchedObj) {
// Hime some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
$('embed, object, select').css({ 'visibility' : 'hidden' });
// Call the function to create the markup structure; style some elements; assign events in some elements.
_set_interface();
// Unset total images in imageArray
settings.imageArray.length = 0;
// Unset image active information
settings.activeImage = 0;
// We have an image set? Or just an image? Let磗 see it.
if ( jQueryMatchedObj.length == 1 ) {
settings.imageArray.push(new Array(objClicked.getAttribute('href'),objClicked.getAttribute('title')));
} else {
// Add an Array (as many as we have), with href and title atributes, inside the Array that storage the images references
for ( var i = 0; i < jQueryMatchedObj.length; i++ ) {
settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'),jQueryMatchedObj[i].getAttribute('title')));
}
}
while ( settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href') ) {
settings.activeImage++;
}
// Call the function that prepares image exibition
_set_image_to_view();
}
/**
* Create the jQuery lightBox plugin interface
*
* The HTML markup will be like that:
<div id="jquery-overlay"></div>
<div id="jquery-lightbox">
<div id="lightbox-container-image-box">
<div id="lightbox-container-image">
<img src="../fotos/XX.jpg" id="lightbox-image">
<div id="lightbox-nav">
<a href="#" id="lightbox-nav-btnPrev"></a>
<a href="#" id="lightbox-nav-btnNext"></a>
</div>
<div id="lightbox-loading">
<a href="#" id="lightbox-loading-link">
<img src="../images/lightbox-ico-loading.gif">
</a>
</div>
</div>
</div>
<div id="lightbox-container-image-data-box">
<div id="lightbox-container-image-data">
<div id="lightbox-image-details">
<span id="lightbox-image-details-caption"></span>
<span id="lightbox-image-details-currentNumber"></span>
</div>
<div id="lightbox-secNav">
<a href="#" id="lightbox-secNav-btnClose">
<img src="../images/lightbox-btn-close.gif">
</a>
</div>
</div>
</div>
</div>
*
*/
function _set_interface() {
// Apply the HTML markup into body tag
$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><img id="lightbox-image"><div style="" id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></div><div id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="' + settings.imageLoading + '"></a></div></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="' + settings.imageBtnClose + '"></a></div></div></div></div>');
// Get page sizes
var arrPageSizes = ___getPageSize();
// Style overlay and show it
$('#jquery-overlay').css({
backgroundColor: settings.overlayBgColor,
opacity: settings.overlayOpacity,
width: arrPageSizes[0],
height: arrPageSizes[1]
}).fadeIn();
// Get page scroll
var arrPageScroll = ___getPageScroll();
// Calculate top and left offset for the jquery-lightbox div object and show it
$('#jquery-lightbox').css({
top: arrPageScroll[1] + (arrPageSizes[3] / 10),
left: arrPageScroll[0]
}).show();
// Assigning click events in elements to close overlay
$('#jquery-overlay,#jquery-lightbox').click(function() {
_finish();
});
// Assign the _finish function to lightbox-loading-link and lightbox-secNav-btnClose objects
$('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function() {
_finish();
return false;
});
// If window was resized, calculate the new overlay dimensions
$(window).resize(function() {
// Get page sizes
var arrPageSizes = ___getPageSize();
// Style overlay and show it
$('#jquery-overlay').css({
width: arrPageSizes[0],
height: arrPageSizes[1]
});
// Get page scroll
var arrPageScroll = ___getPageScroll();
// Calculate top and left offset for the jquery-lightbox div object and show it
$('#jquery-lightbox').css({
top: arrPageScroll[1] + (arrPageSizes[3] / 10),
left: arrPageScroll[0]
});
});
}
/**
* Prepares image exibition; doing a image磗 preloader to calculate it磗 size
*
*/
function _set_image_to_view() { // show the loading
// Show the loading
$('#lightbox-loading').show();
// Hide some elements
$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
// Image preload process
var objImagePreloader = new Image();
objImagePreloader.onload = function() {
$('#lightbox-image').attr('src',settings.imageArray[settings.activeImage][0]);
// Perfomance an effect in the image container resizing it
_resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
// clear onLoad, IE behaves irratically with animated gifs otherwise
objImagePreloader.onload=function(){};
}
objImagePreloader.src = settings.imageArray[settings.activeImage][0];
};
/**
* Perfomance an effect in the image container resizing it
*
* @param integer intImageWidth The image磗 width that will be showed
* @param integer intImageHeight The image磗 height that will be showed
*/
function _resize_container_image_box(intImageWidth,intImageHeight) {
// Get current width and height
var intCurrentWidth = $('#lightbox-container-image-box').width();
var intCurrentHeight = $('#lightbox-container-image-box').height();
// Get the width and height of the selected image plus the padding
var intWidth = (intImageWidth + (settings.containerBorderSize * 2)); // Plus the image磗 width and the left and right padding value
var intHeight = (intImageHeight + (settings.containerBorderSize * 2)); // Plus the image磗 height and the left and right padding value
// Diferences
var intDiffW = intCurrentWidth - intWidth;
var intDiffH = intCurrentHeight - intHeight;
// Perfomance the effect
$('#lightbox-container-image-box').animate({ width: intWidth, height: intHeight },settings.containerResizeSpeed,function() { _show_image(); });
if ( ( intDiffW == 0 ) && ( intDiffH == 0 ) ) {
if ( $.browser.msie ) {
___pause(250);
} else {
___pause(100);
}
}
$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ height: intImageHeight + (settings.containerBorderSize * 2) });
$('#lightbox-container-image-data-box').css({ width: intImageWidth });
};
/**
* Show the prepared image
*
*/
function _show_image() {
$('#lightbox-loading').hide();
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -