X-Git-Url: https://svn.cri.ensmp.fr/git/Portfolio.git/blobdiff_plain/6e817759eb01c8419a8aaf4194afd73bcc60bc93..fd69eaaf44e7c071f179242936c737509eb667ef:/skins/photo_lightbox_viewer.js diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js index 354a334..c030fbb 100644 --- a/skins/photo_lightbox_viewer.js +++ b/skins/photo_lightbox_viewer.js @@ -11,14 +11,19 @@ var Lightbox; var reSelected = /.*selected.*/; -Lightbox = function(grid, toolbar) { +Lightbox = function(grid, toolbar, complete) { var self = this; this.grid = grid; + this._buildSlidesIndex(); // set this.slides and this.lastSlide; + this.fetchingDisabled = false; + this.complete = complete; this.toolbar = toolbar; if (toolbar) { this.toolbarFixed = false; - addListener(window, 'scroll', function(evt){self.windowScrollHandler(evt);}); + addListener(window, 'scroll', function(evt){self.windowScrollToolbarlHandler(evt);}); } + addListener(window, 'scroll', function(evt){self.windowScrollGridHandler(evt);}); + addListener(window, 'load', function(evt){ self.windowScrollGridHandler();}); this.lastCBChecked = undefined; this.form = undefined; var parent = this.grid.parentNode; @@ -35,13 +40,25 @@ Lightbox = function(grid, toolbar) { addListener(this.grid, 'click', function(evt){self.mouseClickHandler(evt);}); if (this.form) { var fm = this.fm = new FormManager(this.form); - addListener(this.form, 'change', function(evt){self.onChangeHandler(evt);}); + addListener(this.form, 'change', function(evt){self.onChangeHandler(evt);}); fm.onBeforeSubmit = function(fm_, evt) {return self.onBeforeSubmit(fm_, evt);}; fm.onResponseLoad = function(req) {return self.onResponseLoad(req);}; } }; -Lightbox.prototype.windowScrollHandler = function(evt) { +Lightbox.prototype._buildSlidesIndex = function() { + this.slides = []; + var node, i; + for (i=0 ; i<this.grid.childNodes.length ; i++) { + node = this.grid.childNodes[i]; + if (node.nodeType === 1) { // is element + this.slides.push(node); + } + } + this.lastSlide = this.slides[this.slides.length-1]; +}; + +Lightbox.prototype.windowScrollToolbarlHandler = function(evt) { if (this.toolbar.offsetTop < window.scrollY && !this.toolbarFixed) { this.toolbarFixed = true; this.backThreshold = this.toolbar.offsetTop; @@ -52,12 +69,20 @@ Lightbox.prototype.windowScrollHandler = function(evt) { this.switchToolBarPositioning(false); } }; +Lightbox.prototype.windowScrollGridHandler = function(evt) { + if (!this.complete && + !this.fetchingDisabled && + window.scrollY > this.lastSlide.firstElementChild.offsetTop - getWindowHeight()) { + this.fetchingDisabled = true; + this.fetchTail(); + } +}; Lightbox.prototype.mouseClickHandler = function(evt) { var target = getTargetedObject(evt); if (target.tagName === 'IMG') { var img = target; - var link = target.parentNode; + var link = target.parentNode; var button = link.parentNode; var slide = button.parentNode; var req, url; @@ -144,11 +169,11 @@ Lightbox.prototype.mouseClickHandler = function(evt) { }; Lightbox.prototype.onChangeHandler = function(evt) { - var target = getTargetedObject(evt); - if (target.name === 'sort_on') { - this.fm.submitButton = {'name' : 'set_sorting', 'value' : 'ok'}; - this.fm.submit(evt); - } + var target = getTargetedObject(evt); + if (target.name === 'sort_on') { + this.fm.submitButton = {'name' : 'set_sorting', 'value' : 'ok'}; + this.fm.submit(evt); + } }; Lightbox.prototype.onBeforeSubmit = function(fm, evt) { @@ -167,8 +192,10 @@ Lightbox.prototype.onResponseLoad = function(req) { case 'error' : this.showSelection(); break; - case 'sorted' : - this.fm.submitButton = undefined; + case 'sorted' : + this.fm.submitButton = undefined; + this.refreshGrid(); + break; } }; @@ -231,7 +258,7 @@ Lightbox.prototype.deleteSelection = function() { }; Lightbox.prototype._removeSelection = function() { - var i, e, slide; + var i, e; var toRemove = []; for (i=0 ; i<this.form.elements.length ; i++) { e = this.form.elements[i]; @@ -240,10 +267,11 @@ Lightbox.prototype._removeSelection = function() { } } for (i=0 ; i<toRemove.length ; i++) { - slide = toRemove[i]; - slide.parentNode.removeChild(slide); + this.grid.removeChild(toRemove[i]); } + this._buildSlidesIndex(); this.cbIndex = undefined; + this.windowScrollGridHandler(); }; Lightbox.prototype.getCBIndex = function(cb) { @@ -251,14 +279,11 @@ Lightbox.prototype.getCBIndex = function(cb) { // build checkbox index this.cbIndex = []; var i, node, c; - var nodes = this.grid.childNodes; - for (i=0 ; i<nodes.length ; i++) { - node = nodes[i]; - if (node.nodeName === 'SPAN') { - c = node.getElementsByTagName('input')[0]; - c.index = this.cbIndex.length; - this.cbIndex[this.cbIndex.length] = c; - } + for (i=0 ; i<this.slides.length ; i++) { + node = this.slides[i]; + c = node.getElementsByTagName('input')[0]; + c.index = this.cbIndex.length; + this.cbIndex.push(c); } } return cb.index; @@ -286,6 +311,94 @@ Lightbox.prototype.selectCBRange = function(evt) { } }; +Lightbox.prototype.refreshGrid = function() { + var req = new XMLHttpRequest(); + self = this; + req.onreadystatechange = function() { + switch (req.readyState) { + case 1 : + showProgressImage(); + break; + case 4 : + hideProgressImage(); + if (req.status === 200) { + self._refreshGrid(req) + } + break; + } + }; + + var url = absolute_url() + + '/portfolio_thumbnails_tail?start:int=0&size:int=' + + this.slides.length; + req.open('GET', url, true); + req.send(); +}; + +Lightbox.prototype._refreshGrid = function(req) { + var doc = req.responseXML.documentElement; + var i, node; + var j = 0; + for (i=0 ; i<doc.childNodes.length ; i++) { + node = doc.childNodes[i]; + if (node.nodeType === 1) { + node = getCopyOfNode(node); + this.grid.replaceChild(node, this.slides[j]); + this.slides[j] = node; + j++; + } + } + this.cbIndex = undefined; +}; + +Lightbox.prototype.fetchTail = function() { + var req = new XMLHttpRequest(); + self = this; + req.onreadystatechange = function() { + switch (req.readyState) { + case 1 : + showProgressImage(); + break; + case 4 : + hideProgressImage(); + if (req.status === 200) { + self._appendTail(req) + } + break; + } + }; + + var url = absolute_url() + + '/portfolio_thumbnails_tail?start:int=' + + String(this.slides.length + 1 ) + + '&size:int=10'; + req.open('GET', url, true); + req.send(); +}; + +Lightbox.prototype._appendTail = function(req) { + var doc = req.responseXML.documentElement; + var i, node, c; + for (i=0 ; i<doc.childNodes.length ; i++) { + node = doc.childNodes[i]; + if (node.nodeType === 1) { + this.lastSlide = this.grid.appendChild(getCopyOfNode(node)); + this.slides.push(this.lastSlide); + if (this.cbIndex) { + c = this.lastSlide.getElementsByTagName('input')[0]; + c.index = this.cbIndex.length; + this.cbIndex.push(c); + + } + } + } + this.fetchingDisabled = false; + if (doc.getAttribute('nomore')) { + this.complete = true; + } + this.windowScrollGridHandler(); +}; + var _outlineSelectedSlide; if (browser.isGecko) {