Mercurial > hg > orthanc
annotate OrthancExplorer/libs/slimbox2.js @ 4021:ceba3213cb9e
merge
author | Alain Mazy <alain@mazy.be> |
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date | Tue, 09 Jun 2020 11:37:52 +0200 |
parents | d86bddb50972 |
children |
rev | line source |
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0 | 1 /*! |
2 Slimbox v2.04 - The ultimate lightweight Lightbox clone for jQuery | |
3 (c) 2007-2010 Christophe Beyls <http://www.digitalia.be> | |
4 MIT-style license. | |
5 */ | |
6 | |
7 (function($) { | |
8 | |
9 // Global variables, accessible to Slimbox only | |
10 var win = $(window), options, images, activeImage = -1, activeURL, prevImage, nextImage, compatibleOverlay, middle, centerWidth, centerHeight, | |
11 ie6 = !window.XMLHttpRequest, hiddenElements = [], documentElement = document.documentElement, | |
12 | |
13 // Preload images | |
14 preload = {}, preloadPrev = new Image(), preloadNext = new Image(), | |
15 | |
16 // DOM elements | |
17 overlay, center, image, sizer, prevLink, nextLink, bottomContainer, bottom, caption, number; | |
18 | |
19 /* | |
20 Initialization | |
21 */ | |
22 | |
23 $(function() { | |
24 // Append the Slimbox HTML code at the bottom of the document | |
25 $("body").append( | |
26 $([ | |
27 overlay = $('<div id="lbOverlay" />')[0], | |
28 center = $('<div id="lbCenter" />')[0], | |
29 bottomContainer = $('<div id="lbBottomContainer" />')[0] | |
30 ]).css("display", "none") | |
31 ); | |
32 | |
33 image = $('<div id="lbImage" />').appendTo(center).append( | |
34 sizer = $('<div style="position: relative;" />').append([ | |
35 prevLink = $('<a id="lbPrevLink" href="#" />').click(previous)[0], | |
36 nextLink = $('<a id="lbNextLink" href="#" />').click(next)[0] | |
37 ])[0] | |
38 )[0]; | |
39 | |
40 bottom = $('<div id="lbBottom" />').appendTo(bottomContainer).append([ | |
41 $('<a id="lbCloseLink" href="#" />').add(overlay).click(close)[0], | |
42 caption = $('<div id="lbCaption" />')[0], | |
43 number = $('<div id="lbNumber" />')[0], | |
44 $('<div style="clear: both;" />')[0] | |
45 ])[0]; | |
46 }); | |
47 | |
48 | |
49 /* | |
50 API | |
51 */ | |
52 | |
53 // Open Slimbox with the specified parameters | |
54 $.slimbox = function(_images, startImage, _options) { | |
55 options = $.extend({ | |
3973
d86bddb50972
fix spelling errors according to debian
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
57
diff
changeset
|
56 loop: false, // Allows one to navigate between first and last images |
0 | 57 overlayOpacity: 0.8, // 1 is opaque, 0 is completely transparent (change the color in the CSS file) |
58 overlayFadeDuration: 400, // Duration of the overlay fade-in and fade-out animations (in milliseconds) | |
59 resizeDuration: 400, // Duration of each of the box resize animations (in milliseconds) | |
60 resizeEasing: "swing", // "swing" is jQuery's default easing | |
61 initialWidth: 250, // Initial width of the box (in pixels) | |
62 initialHeight: 250, // Initial height of the box (in pixels) | |
63 imageFadeDuration: 400, // Duration of the image fade-in animation (in milliseconds) | |
64 captionAnimationDuration: 400, // Duration of the caption animation (in milliseconds) | |
65 counterText: "Image {x} of {y}", // Translate or change as you wish, or set it to false to disable counter text for image groups | |
66 closeKeys: [27, 88, 67], // Array of keycodes to close Slimbox, default: Esc (27), 'x' (88), 'c' (67) | |
67 previousKeys: [37, 80], // Array of keycodes to navigate to the previous image, default: Left arrow (37), 'p' (80) | |
68 nextKeys: [39, 78] // Array of keycodes to navigate to the next image, default: Right arrow (39), 'n' (78) | |
69 }, _options); | |
70 | |
71 // The function is called for a single image, with URL and Title as first two arguments | |
72 if (typeof _images == "string") { | |
73 _images = [[_images, startImage]]; | |
74 startImage = 0; | |
75 } | |
76 | |
77 middle = win.scrollTop() + (win.height() / 2); | |
78 centerWidth = options.initialWidth; | |
79 centerHeight = options.initialHeight; | |
80 $(center).css({top: Math.max(0, middle - (centerHeight / 2)), width: centerWidth, height: centerHeight, marginLeft: -centerWidth/2}).show(); | |
81 compatibleOverlay = ie6 || (overlay.currentStyle && (overlay.currentStyle.position != "fixed")); | |
82 if (compatibleOverlay) overlay.style.position = "absolute"; | |
83 $(overlay).css("opacity", options.overlayOpacity).fadeIn(options.overlayFadeDuration); | |
84 position(); | |
85 setup(1); | |
86 | |
87 images = _images; | |
88 options.loop = options.loop && (images.length > 1); | |
89 return changeImage(startImage); | |
90 }; | |
91 | |
92 /* | |
93 options: Optional options object, see jQuery.slimbox() | |
94 linkMapper: Optional function taking a link DOM element and an index as arguments and returning an array containing 2 elements: | |
95 the image URL and the image caption (may contain HTML) | |
96 linksFilter: Optional function taking a link DOM element and an index as arguments and returning true if the element is part of | |
97 the image collection that will be shown on click, false if not. "this" refers to the element that was clicked. | |
98 This function must always return true when the DOM element argument is "this". | |
99 */ | |
100 $.fn.slimbox = function(_options, linkMapper, linksFilter) { | |
101 linkMapper = linkMapper || function(el) { | |
102 return [el.href, el.title]; | |
103 }; | |
104 | |
105 linksFilter = linksFilter || function() { | |
106 return true; | |
107 }; | |
108 | |
109 var links = this; | |
110 | |
111 return links.unbind("click").click(function() { | |
112 // Build the list of images that will be displayed | |
113 var link = this, startIndex = 0, filteredLinks, i = 0, length; | |
114 filteredLinks = $.grep(links, function(el, i) { | |
115 return linksFilter.call(link, el, i); | |
116 }); | |
117 | |
118 // We cannot use jQuery.map() because it flattens the returned array | |
119 for (length = filteredLinks.length; i < length; ++i) { | |
120 if (filteredLinks[i] == link) startIndex = i; | |
121 filteredLinks[i] = linkMapper(filteredLinks[i], i); | |
122 } | |
123 | |
124 return $.slimbox(filteredLinks, startIndex, _options); | |
125 }); | |
126 }; | |
127 | |
128 | |
129 /* | |
130 Internal functions | |
131 */ | |
132 | |
133 function position() { | |
134 var l = win.scrollLeft(), w = win.width(); | |
135 $([center, bottomContainer]).css("left", l + (w / 2)); | |
136 if (compatibleOverlay) $(overlay).css({left: l, top: win.scrollTop(), width: w, height: win.height()}); | |
137 } | |
138 | |
139 function setup(open) { | |
140 if (open) { | |
141 $("object").add(ie6 ? "select" : "embed").each(function(index, el) { | |
142 hiddenElements[index] = [el, el.style.visibility]; | |
143 el.style.visibility = "hidden"; | |
144 }); | |
145 } else { | |
146 $.each(hiddenElements, function(index, el) { | |
147 el[0].style.visibility = el[1]; | |
148 }); | |
149 hiddenElements = []; | |
150 } | |
151 var fn = open ? "bind" : "unbind"; | |
152 win[fn]("scroll resize", position); | |
153 $(document)[fn]("keydown", keyDown); | |
154 } | |
155 | |
156 function keyDown(event) { | |
157 var code = event.keyCode, fn = $.inArray; | |
158 // Prevent default keyboard action (like navigating inside the page) | |
159 return (fn(code, options.closeKeys) >= 0) ? close() | |
160 : (fn(code, options.nextKeys) >= 0) ? next() | |
161 : (fn(code, options.previousKeys) >= 0) ? previous() | |
162 : false; | |
163 } | |
164 | |
165 function previous() { | |
166 return changeImage(prevImage); | |
167 } | |
168 | |
169 function next() { | |
170 return changeImage(nextImage); | |
171 } | |
172 | |
173 function changeImage(imageIndex) { | |
174 if (imageIndex >= 0) { | |
175 activeImage = imageIndex; | |
176 activeURL = images[activeImage][0]; | |
177 prevImage = (activeImage || (options.loop ? images.length : 0)) - 1; | |
178 nextImage = ((activeImage + 1) % images.length) || (options.loop ? 0 : -1); | |
179 | |
180 stop(); | |
181 center.className = "lbLoading"; | |
182 | |
183 preload = new Image(); | |
184 preload.onload = animateBox; | |
185 preload.src = activeURL; | |
186 } | |
187 | |
188 return false; | |
189 } | |
190 | |
191 function animateBox() { | |
192 center.className = ""; | |
193 $(image).css({backgroundImage: "url(" + activeURL + ")", visibility: "hidden", display: "" }); | |
194 $(sizer).width(preload.width); | |
195 $([sizer, prevLink, nextLink]).height(preload.height); | |
196 | |
197 $(caption).html(images[activeImage][1] || ""); | |
198 $(number).html((((images.length > 1) && options.counterText) || "").replace(/{x}/, activeImage + 1).replace(/{y}/, images.length)); | |
199 | |
200 if (prevImage >= 0) preloadPrev.src = images[prevImage][0]; | |
201 if (nextImage >= 0) preloadNext.src = images[nextImage][0]; | |
202 | |
203 centerWidth = image.offsetWidth; | |
204 centerHeight = image.offsetHeight; | |
205 var top = Math.max(0, middle - (centerHeight / 2)); | |
206 if (center.offsetHeight != centerHeight) { | |
207 $(center).animate({height: centerHeight, top: top}, options.resizeDuration, options.resizeEasing); | |
208 } | |
209 if (center.offsetWidth != centerWidth) { | |
210 $(center).animate({width: centerWidth, marginLeft: -centerWidth/2}, options.resizeDuration, options.resizeEasing); | |
211 } | |
212 $(center).queue(function() { | |
213 $(bottomContainer).css({width: centerWidth, top: top + centerHeight, marginLeft: -centerWidth/2, visibility: "hidden", display: ""}); | |
214 animateCaption(); | |
215 $(image).css({display: "none", visibility: "", opacity: ""}).fadeIn(options.imageFadeDuration, animateCaption); | |
216 }); | |
217 } | |
218 | |
219 function animateCaption() { | |
220 if (prevImage >= 0) $(prevLink).show(); | |
221 if (nextImage >= 0) $(nextLink).show(); | |
222 $(bottom).css("marginTop", -bottom.offsetHeight).animate({marginTop: 0}, options.captionAnimationDuration); | |
223 bottomContainer.style.visibility = ""; | |
224 } | |
225 | |
226 function stop() { | |
227 preload.onload = null; | |
228 preload.src = preloadPrev.src = preloadNext.src = activeURL; | |
229 $([center, image, bottom]).stop(true); | |
230 $([prevLink, nextLink, image, bottomContainer]).hide(); | |
231 } | |
232 | |
233 function close() { | |
234 if (activeImage >= 0) { | |
235 stop(); | |
236 activeImage = prevImage = nextImage = -1; | |
237 $(center).hide(); | |
238 $(overlay).stop().fadeOut(options.overlayFadeDuration, setup); | |
239 } | |
240 | |
241 return false; | |
242 } | |
243 | |
3973
d86bddb50972
fix spelling errors according to debian
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
57
diff
changeset
|
244 })(jQuery); |