c9615fba83395533ff0b532084605b31bf3a5a80
2 copyright 2008-2014 Benoit Pin - Centre de recherche en informatique - MINES ParisTech
4 Licence Creative Commons http://creativecommons.org/licenses/by-nc/2.0/
11 var keyLeft
= 37, keyRight
= 39;
12 var isTextMime
= /^text\/.+/i;
13 var isAddToSelection
= /.*\/add_to_selection$/;
14 var imgRequestedSize
= /size=(\d+)/;
15 var DEFAULT_IMAGE_SIZES
= [500, 600, 800];
17 FilmSlider = function(filmBar
, slider
, ctxInfos
, image
, toolbar
, breadcrumbs
) {
18 var thisSlider
= this;
19 this.filmBar
= filmBar
;
20 var film
= filmBar
.firstChild
;
21 if (film
.nodeType
=== 3) { film
= film
.nextSibling
; }
24 this.rail
= slider
.parentNode
;
25 this.sliderSpeedRatio
= undefined;
26 this.sliderRatio
= undefined;
27 this.selectedSlide
= undefined;
28 this.selectedSlideInSelection
= undefined;
29 this.cartSlide
= document
.getElementById('cart_slide');
31 this.stretchable
= image
.parentNode
;
32 this.viewMode
= 'medium';
35 this.toolbar
= toolbar
;
37 var bcElements
= breadcrumbs
.getElementsByTagName('a');
38 this.lastBCElement
= bcElements
[bcElements
.length
-1];
39 var imgSrcParts
= image
.src
.split('/');
40 this.lastBCElement
.innerHTML
= imgSrcParts
[imgSrcParts
.length
-2];
41 this.hasBreadcrumbs
= true;
44 this.hasBreadcrumbs
= false;
47 var buttons
= toolbar
.getElementsByTagName('img');
49 for (i
=0 ; i
<buttons
.length
; i
++) {
51 name
= b
.getAttribute('name');
52 if (name
) { this.buttons
[name
] = b
; }
55 this.pendingImage
= new Image();
56 this.pendingImage
.onload = function() {
57 thisSlider
.refreshImage();
59 this.initialized
= false;
61 this.film
.style
.left
='0';
62 this.film
.style
.top
='0';
64 this.filmLength
= ctxInfos
.filmLength
;
65 this.center
= ctxInfos
.center
;
66 this.slideSize
= ctxInfos
.slideSize
;
67 this.ctxUrlTranslation
= ctxInfos
.ctxUrlTranslation
;
69 this.ddHandlers
= {'down' : function(evt
){thisSlider
.mouseDownHandler(evt
);},
70 'move' : function(evt
){thisSlider
.mouseMoveHandler(evt
);},
71 'up' : function(evt
){thisSlider
.mouseUpHandler(evt
);},
72 'out' : function(evt
){thisSlider
.mouseOutHandler(evt
);}
76 this.addEventListeners();
80 FilmSlider
.prototype.resizeSlider = function(evt
) {
81 var filmBarWidth
= getObjectWidth(this.filmBar
);
83 var thisSlider
= this;
84 addListener(window
, 'load', function(evt
){thisSlider
.resizeSlider(evt
);});
88 var filmWidth
= this.slideSize
* this.filmLength
;
89 var sliderRatio
= this.sliderRatio
= filmBarWidth
/ filmWidth
;
90 var sliderWidth
= filmBarWidth
* sliderRatio
;
91 this.rail
.style
.width
= filmBarWidth
+ 'px';
92 this.rail
.style
.display
= 'block';
93 this.rail
.style
.visibility
= 'visible';
94 if (sliderRatio
< 1) {
95 this.slider
.style
.width
= Math
.round(sliderWidth
) + 'px';
96 this.slider
.style
.visibility
= 'visible';
99 this.slider
.style
.visibility
= 'hidden';
102 this.winSize
= {'width' : getWindowWidth(),
103 'height' : getWindowHeight()};
104 this.maxRightPosition
= filmBarWidth
- sliderWidth
;
105 this.sliderSpeedRatio
= - (filmBarWidth
- sliderWidth
) / (filmWidth
- filmBarWidth
);
106 if (!this.initialized
) {
107 this.centerSlide(this.center
);
108 this.selectedSlide
= this.filmBar
.getElementsByTagName('img')[this.center
].parentNode
;
109 this.initialized
= true;
113 FilmSlider
.prototype.fitToScreen = function(evt
) {
115 var thisSlider
= this;
116 addListener(window
, 'resize', function(evt
){thisSlider
._fitToScreen();});
119 FilmSlider
.prototype._fitToScreen = function(evt
) {
120 var wh
= getWindowHeight();
121 var rb
= getObjectTop(this.rail
) + getObjectHeight(this.rail
); // rail bottom
123 var sh
= getObjectHeight(this.stretchable
);
124 var newSize
= sh
+ delta
;
125 this.stretchable
.style
.height
= newSize
+ 'px';
127 var ratio
= this.image
.height
/ this.image
.width
;
128 var bestFitSize
= this.getBestFitSize(ratio
);
129 var currentSize
= parseInt(imgRequestedSize
.exec(this.image
.src
)[1], 10);
130 if (currentSize
!== bestFitSize
) {
131 var src
= this.image
.src
.replace(imgRequestedSize
, 'size=' + bestFitSize
);
132 this.pendingImage
.src
= src
;
136 FilmSlider
.prototype.getBestFitSize = function(ratio
) {
137 var fw
= getObjectWidth(this.stretchable
) - 1;
138 var fh
= getObjectHeight(this.stretchable
) - 1;
142 for (i
=DEFAULT_IMAGE_SIZES
.length
-1 ; i
>0 ; i
--) {
143 irw
= DEFAULT_IMAGE_SIZES
[i
];
145 if (irw
<= fw
&& irh
<= fh
) { break; }
149 for (i
=DEFAULT_IMAGE_SIZES
.length
-1 ; i
>0 ; i
--) {
150 irh
= DEFAULT_IMAGE_SIZES
[i
];
152 if (irw
<= fw
&& irh
<= fh
) { break; }
155 return DEFAULT_IMAGE_SIZES
[i
];
158 FilmSlider
.prototype.centerSlide = function(slideIndex
) {
159 if (this.sliderRatio
> 1) { return; }
160 var filmBarWidth
= getObjectWidth(this.filmBar
);
161 var x
= slideIndex
* this.slideSize
;
162 x
= x
- (filmBarWidth
- this.slideSize
) / 2.0;
163 x
= x
* this.sliderSpeedRatio
;
164 var p
= new Point( -x
, 0 );
165 this.setSliderPosition(p
);
168 FilmSlider
.prototype.setSliderPosition = function(point
) {
169 if(point
.x
< 0) { point
.x
= 0; }
170 if (point
.x
> this.maxRightPosition
) { point
.x
= this.maxRightPosition
; }
171 this.slider
.style
.left
= point
.x
+ 'px';
172 this.setFilmPosition(point
);
175 FilmSlider
.prototype.setFilmPosition = function(point
) {
176 this.film
.style
.left
= point
.x
/ this.sliderSpeedRatio
+ 'px';
179 FilmSlider
.prototype.getSliderPosition = function() {
180 var x
= parseInt(this.slider
.style
.left
, 10);
181 var y
= parseInt(this.slider
.style
.top
, 10);
182 var p
= new Point(x
, y
);
186 FilmSlider
.prototype.getFilmPosition = function() {
187 var x
= parseInt(this.film
.style
.left
, 10);
188 var y
= parseInt(this.film
.style
.top
, 10);
189 var p
= new Point(x
, y
);
193 FilmSlider
.prototype.loadSibling = function(previous
) {
196 slide
= this.selectedSlide
.parentNode
.previousSibling
;
197 if (slide
&& slide
.nodeType
===3) { slide
= slide
.previousSibling
; }
200 slide
= this.selectedSlide
.parentNode
.nextSibling
;
201 if (slide
&& slide
.nodeType
===3) { slide
= slide
.nextSibling
; }
204 if (!slide
) { return; }
206 var target
= slide
.getElementsByTagName('a')[0];
207 raiseMouseEvent(target
, 'click');
208 var index
= parseInt(target
.getAttribute('portfolio:position'), 10);
209 this.centerSlide(index
);
213 FilmSlider
.prototype.addEventListeners = function() {
214 var thisSlider
= this;
215 addListener(window
, 'resize', function(evt
){thisSlider
.resizeSlider(evt
);});
216 addListener(this.filmBar
, 'click', function(evt
){thisSlider
.thumbnailClickHandler(evt
);});
217 addListener(this.toolbar
, 'click', function(evt
){thisSlider
.toolbarClickHandler(evt
);});
218 addListener(window
, 'load', function(evt
){thisSlider
.fitToScreen(evt
);});
221 addListener(this.slider
, 'mousedown', this.ddHandlers
.down
);
222 if(browser
.isDOM2Event
){
223 if (browser
.isAppleWebKit
) {
224 this.filmBar
.addEventListener('mousewheel', function(evt
){thisSlider
.mouseWheelHandler(evt
);}, false);
227 addListener(this.filmBar
, 'DOMMouseScroll', function(evt
){thisSlider
.mouseWheelHandler(evt
);});
230 else if (browser
.isIE6up
) {
231 addListener(this.filmBar
, 'mousewheel', function(evt
){thisSlider
.mouseWheelHandler(evt
);});
234 addListener(document
, 'keydown', function(evt
){thisSlider
.keyDownHandler(evt
);});
235 addListener(document
, 'keypress', function(evt
){thisSlider
.keyPressHandler(evt
);});
239 FilmSlider
.prototype.mouseDownHandler = function(evt
) {
240 this.initialClickPoint
= new Point(evt
.clientX
, evt
.clientY
);
241 this.initialPosition
= this.getSliderPosition();
242 this.dragInProgress
= true;
243 addListener(document
, 'mousemove', this.ddHandlers
.move);
244 addListener(document
, 'mouseup', this.ddHandlers
.up
);
245 addListener(document
.body
, 'mouseout', this.ddHandlers
.out
);
249 FilmSlider
.prototype.mouseMoveHandler = function(evt
) {
250 if(!this.dragInProgress
) { return; }
253 evt
= getEventObject(evt
);
254 var currentPoint
= new Point(evt
.clientX
, evt
.clientY
);
255 var displacement
= currentPoint
.diff(this.initialClickPoint
);
256 this.setSliderPosition(this.initialPosition
.add(displacement
));
259 FilmSlider
.prototype.mouseUpHandler = function(evt
) {
260 this.dragInProgress
= false;
261 evt
= getEventObject(evt
);
262 this.mouseMoveHandler(evt
);
266 FilmSlider
.prototype.mouseOutHandler = function(evt
) {
267 evt
= getEventObject(evt
);
271 x
> this.winSize
.width
||
273 y
> this.winSize
.height
275 this.mouseUpHandler(evt
);
279 FilmSlider
.prototype.thumbnailClickHandler = function(evt
) {
280 var target
= getTargetedObject(evt
);
281 while (target
.tagName
!== 'A' && target
!== this.filmBar
) { target
= target
.parentNode
; }
282 if (target
.tagName
!== 'A') { return; }
284 if (this.viewMode
=== 'full') {
285 this.mosaique
.unload();
286 this.mosaique
= null;
287 this.viewMode
= 'medium';
290 disablePropagation(evt
);
292 history
.pushState(target
.href
, '', target
.href
);
294 var imgBaseUrl
= target
.href
;
296 if (this.ctxUrlTranslation
[0]) {
297 canonicalImgUrl
= imgBaseUrl
.replace(this.ctxUrlTranslation
[0],
298 this.ctxUrlTranslation
[1]);
300 else { canonicalImgUrl
= imgBaseUrl
; }
302 var ajaxUrl
= imgBaseUrl
+ '/photo_view_ajax';
305 //this.pendingImage.src = canonicalImgUrl + '/getResizedImage?size=600';
306 var thumbnail
= target
.getElementsByTagName('IMG')[0];
307 var bestFitSize
= this.getBestFitSize(thumbnail
.height
/thumbnail
.width
);
308 this.pendingImage
.src
= canonicalImgUrl
+ '/getResizedImage?size=' + bestFitSize
;
311 var fullScreenLink
= this.buttons
.full_screen
.parentNode
;
312 fullScreenLink
.href
= canonicalImgUrl
+ '/zoom_view';
314 var toggleSelectionBtn
= this.buttons
.toggle_selection
;
315 var toggleSelectionLink
= toggleSelectionBtn
.parentNode
;
316 this.selectedSlideInSelection
= (target
.className
==='selected');
317 if (this.selectedSlideInSelection
) {
318 toggleSelectionBtn
.src
= portal_url() + '/unselect_flag_btn.gif';
319 toggleSelectionBtn
.alt
= toggleSelectionLink
.title
= 'Retirer de la sélection';
320 toggleSelectionLink
.href
= canonicalImgUrl
+ '/remove_to_selection';
323 toggleSelectionBtn
.src
= portal_url() + '/select_flag_btn.gif';
324 toggleSelectionBtn
.alt
= toggleSelectionLink
.title
= 'Ajouter à la sélection';
325 toggleSelectionLink
.href
= canonicalImgUrl
+ '/add_to_selection';
328 var showBuyableButtonLink
= this.buttons
.show_buyable
.parentNode
;
329 showBuyableButtonLink
.href
= canonicalImgUrl
+ '/get_slide_buyable_items';
330 this.cartSlide
.innerHTML
= '';
331 this.cartSlide
.style
.visibility
='hidden';
334 var metadataButton
= this.buttons
.edit_metadata
;
335 if (metadataButton
) {
336 var metadataEditLink
= metadataButton
.parentNode
;
337 metadataEditLink
.href
= canonicalImgUrl
+ '/photo_edit_form';
341 var req
= new XMLHttpRequest();
342 req
.onreadystatechange = function() {
343 switch (req
.readyState
) {
349 if (! isTextMime
.exec(req
.getResponseHeader('Content-Type'))) {
350 req
.onreadystatechange
= null;
353 window
.location
.href
= thisFS
._fallBackUrl
;
360 if (req
.status
=== '200') { thisFS
.populateViewer(req
); }
365 req
.open("GET", ajaxUrl
, true);
368 // update old displayed slide className
369 var className
= this.selectedSlide
.className
;
370 var classes
= className
.split(' ');
374 for (i
=0 ; i
<classes
.length
; i
++) {
376 if (name
!== 'displayed') {
377 newClasses
.push(name
);
381 this.selectedSlide
.className
= newClasses
.join(' ');
383 // hightlight new displayed slide
384 this.selectedSlide
= target
;
385 className
= this.selectedSlide
.className
;
386 classes
= className
.split(' ');
387 classes
.push('displayed');
388 this.selectedSlide
.className
= classes
.join(' ');
392 FilmSlider
.prototype.toolbarClickHandler = function(evt
) {
393 var target
= getTargetedObject(evt
);
394 var button
, link
, url
;
395 if(target
.tagName
=== 'IMG' && target
.getAttribute('name')) {
396 switch(target
.getAttribute('name')) {
399 disablePropagation(evt
);
401 link
= button
.parentNode
;
403 this.loadSibling(true);
407 disablePropagation(evt
);
409 link
= button
.parentNode
;
411 this.loadSibling(false);
415 disablePropagation(evt
);
416 target
.parentNode
.blur();
417 if (this.viewMode
=== 'full') {
418 this.mosaique
.unload();
419 this.mosaique
= null;
420 this.viewMode
= 'medium';
423 var main
= document
.getElementById('photo_viewer');
424 url
= target
.parentNode
.href
;
425 url
= url
.substring(0, url
.length
- '/zoom_view'.length
);
426 var margins
= {'top':0, 'right':-1, 'bottom':0, 'left':0};
427 this.mosaique
= new Mosaique(main
, url
, margins
);
428 this.viewMode
= 'full';
431 case 'toggle_selection':
433 disablePropagation(evt
);
435 link
= button
.parentNode
;
438 var req
= new XMLHttpRequest();
440 req
.open("POST", url
, true);
441 req
.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
445 var parts
= url
.split('/');
446 var canonicalImgUrl
= parts
.slice(0, parts
.length
-1).join('/');
448 if (isAddToSelection
.test(url
)) {
449 button
.src
= portal_url() + '/unselect_flag_btn.gif';
450 button
.alt
= link
.title
= 'Retirer de la sélection';
451 link
.href
= canonicalImgUrl
+ '/remove_to_selection';
452 this.selectedSlide
.className
= 'selected displayed';
453 this.image
.parentNode
.className
= 'selected';
454 this.selectedSlideInSelection
= true;
457 button
.src
= portal_url() + '/select_flag_btn.gif';
458 button
.alt
= link
.title
= 'Ajouter à la sélection';
459 link
.href
= canonicalImgUrl
+ '/add_to_selection';
460 this.selectedSlide
.className
= 'displayed';
461 this.image
.parentNode
.className
= '';
462 this.selectedSlideInSelection
= false;
468 disablePropagation(evt
);
470 link
= button
.parentNode
;
472 var slide
= this.cartSlide
;
473 slide
.innerHTML
= '';
474 slide
.style
.visibility
= 'visible';
475 var cw
= new CartWidget(slide
, link
.href
);
476 cw
.onCancel = function() {
477 CartWidget
.prototype.onCancel
.apply(this);
478 slide
.style
.visibility
= 'hidden';
480 cw
.onAfterConfirm = function() {
481 slide
.style
.visibility
= 'hidden';
489 case 'edit_metadata' :
491 disablePropagation(evt);
493 if (this.viewMode === 'full') {
494 this.mosaique.unload();
495 this.mosaique = null;
496 this.viewMode = 'medium';
499 var fi = new FragmentImporter(absolute_url());
500 fi.useMacro('metadata_edit_form_macros', 'iptc', 'image_metadata');
508 if(browser
.isDOM2Event
) {
509 if (browser
.isAppleWebKit
) {
510 FilmSlider
.prototype.mouseWheelHandler = function(evt
) {
512 var pos
= this.getSliderPosition();
513 pos
.x
-= evt
.wheelDelta
/ 40;
514 this.setSliderPosition(pos
);
518 FilmSlider
.prototype.mouseWheelHandler = function(evt
) {
520 var pos
= this.getSliderPosition();
521 pos
.x
+= evt
.detail
* 3;
522 this.setSliderPosition(pos
);
526 else if (browser
.isIE6up
) {
527 FilmSlider
.prototype.mouseWheelHandler = function() {
528 var evt
= window
.event
;
529 evt
.returnValue
= false;
530 var pos
= this.getSliderPosition();
531 pos
.x
-= evt
.wheelDelta
/ 40;
532 this.setSliderPosition(pos
);
536 FilmSlider
.prototype.keyDownHandler = function(evt
) {
537 evt
= getEventObject(evt
);
538 switch (evt
.keyCode
) {
540 this.loadSibling(true);
543 this.loadSibling(false);
551 FilmSlider
.prototype.keyPressHandler = function(evt
) {
552 var target
= getTargetedObject(evt
);
553 if (target
.tagName
=== 'INPUT' || target
.tagName
=== 'TEXTAREA') { return; }
554 evt
= getEventObject(evt
);
555 var charPress
= String
.fromCharCode((evt
.keyCode
) ? evt
.keyCode
: evt
.which
);
559 raiseMouseEvent(this.buttons
.full_screen
, 'click');
564 FilmSlider
.prototype.populateViewer = function(req
) {
565 var elements
= req
.responseXML
.documentElement
.childNodes
;
567 for(i
=0 ; i
< elements
.length
; i
++ ) {
568 element
= elements
[i
];
569 switch (element
.nodeName
) {
571 var dest
= document
.getElementById(element
.getAttribute('id'));
572 if (dest
) { dest
.innerHTML
= element
.firstChild
.nodeValue
; }
574 case 'imageattributes' :
575 var link
= this.buttons
.back_to_portfolio
.parentNode
;
576 link
.href
= element
.getAttribute('backToContextUrl');
577 link
= this.buttons
.show_buyable
.parentNode
;
578 var buyable
= element
.getAttribute('buyable');
579 if(buyable
=== 'True') { link
.className
= null; }
580 else if(buyable
=== 'False') { link
.className
= 'hidden'; }
581 this.image
.alt
= element
.getAttribute('alt');
582 this.updateBreadcrumbs(element
.getAttribute('lastBcUrl'),
583 element
.getAttribute('img_id'));
589 FilmSlider
.prototype.refreshImage = function() {
590 this.image
.style
.visibility
= 'hidden';
591 this.image
.src
= this.pendingImage
.src
;
592 this.image
.width
= this.pendingImage
.width
;
593 this.image
.height
= this.pendingImage
.height
;
594 this.image
.style
.visibility
= 'visible';
595 if (this.selectedSlideInSelection
) { this.image
.parentNode
.className
= 'selected'; }
596 else { this.image
.parentNode
.className
= ''; }
599 FilmSlider
.prototype.updateBreadcrumbs = function(url
, title
) {
600 if (this.hasBreadcrumbs
) {
601 this.lastBCElement
.href
= element
.getAttribute('lastBcUrl');
602 this.lastBCElement
.innerHTML
= element
.getAttribute('img_id');
606 FilmSlider
.prototype.startSlideShow = function() {
607 this.slideShowSlide
= this.pendingSlideShowSlide
= this.selectedSlide
;
608 return this.slideShowSlide
.href
;
611 FilmSlider
.prototype.slideShowNext = function() {
612 var nextSlide
= this.slideShowSlide
.parentNode
.nextSibling
;
613 if (nextSlide
&& nextSlide
.nodeType
===3) { nextSlide
= nextSlide
.nextSibling
; }
616 nextSlide
= nextSlide
.getElementsByTagName('a')[0];
617 this.pendingSlideShowSlide
= nextSlide
;
618 return this.pendingSlideShowSlide
.href
;
621 var row
= this.slideShowSlide
.parentNode
.parentNode
;
622 var first
= row
.firstChild
;
623 if (first
.nodeType
===3) { first
= first
.nextSibling
; }
624 this.pendingSlideShowSlide
= first
.getElementsByTagName('a')[0];
625 return this.pendingSlideShowSlide
.href
;
629 FilmSlider
.prototype.slideShowPrevious = function() {
630 var previousSlide
= this.slideShowSlide
.parentNode
.previousSibling
;
631 if (previousSlide
&& previousSlide
.nodeType
===3) { previousSlide
= previousSlide
.previousSibling
; }
634 previousSlide
= previousSlide
.getElementsByTagName('a')[0];
635 this.pendingSlideShowSlide
= previousSlide
;
636 return this.pendingSlideShowSlide
.href
;
639 var row
= this.slideShowSlide
.parentNode
.parentNode
;
640 var last
= row
.lastChild
;
641 if (last
.nodeType
===3) { last
= last
.previousSibling
; }
642 this.pendingSlideShowSlide
= last
.getElementsByTagName('a')[0];
643 return this.pendingSlideShowSlide
.href
;
647 FilmSlider
.prototype.slideShowImageLoaded = function() {
648 this.slideShowSlide
= this.pendingSlideShowSlide
;
651 FilmSlider
.prototype.stopSlideShow = function() {
652 raiseMouseEvent(this.slideShowSlide
, 'click');
653 var index
= parseInt(this.selectedSlide
.getAttribute('portfolio:position'), 10);
654 this.centerSlide(index
);
659 function Point(x
, y
) {
660 this.x
= Math
.round(x
);
661 this.y
= Math
.round(y
);
663 Point
.prototype.diff = function(point
) { return new Point(this.x
- point
.x
, this.y
- point
.y
); };
664 Point
.prototype.add = function(point
) { return new Point(this.x
+ point
.x
, this.y
+ point
.y
); };
665 Point
.prototype.mul = function(k
) { return new Point(this.x
* k
, this.y
*k
); };
666 Point
.prototype.toString = function() { return "(" + String(this.x
) + ", " + String(this.y
) + ")"; };