X-Git-Url: https://svn.cri.ensmp.fr/git/Portfolio.git/blobdiff_plain/b6667d7da5760dc6129c14f785035d18916ca2f7..7343423f34790513dad5305d4a9cf9aba8d216e8:/skins/photo_lightbox_viewer.js diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js index ac20cd3..8dfbaf4 100644 --- a/skins/photo_lightbox_viewer.js +++ b/skins/photo_lightbox_viewer.js @@ -11,14 +11,21 @@ var Lightbox; var reSelected = /.*selected.*/; -Lightbox = function(grid, toolbar) { +Lightbox = function(grid, toolbar, complete, container_type) { var self = this; this.grid = grid; + this._buildSlidesIndex(); // set this.slides and this.lastSlide; + this.fetchingDisabled = false; + this.complete = complete; + this.container_type = container_type; 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();}); + registerStartupFunction(function(){ self.windowScrollGridHandler();}); this.lastCBChecked = undefined; this.form = undefined; var parent = this.grid.parentNode; @@ -35,29 +42,51 @@ 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) { - if (this.toolbar.offsetTop < window.scrollY && !this.toolbarFixed) { +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 < getWindowScrollY() && !this.toolbarFixed) { this.toolbarFixed = true; this.backThreshold = this.toolbar.offsetTop; this.switchToolBarPositioning(true); } - else if (this.toolbarFixed && window.scrollY < this.backThreshold) { + else if (this.toolbarFixed && getWindowScrollY() < this.backThreshold) { this.toolbarFixed = false; this.switchToolBarPositioning(false); } }; +Lightbox.prototype.windowScrollGridHandler = function(evt) { + if (!this.complete && + !this.fetchingDisabled && + getWindowScrollY() > + (this.lastSlide.firstElementChild || this.lastSlide.children[0]).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 +173,11 @@ 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) { @@ -167,10 +196,10 @@ Lightbox.prototype.onResponseLoad = function(req) { case 'error' : this.showSelection(); break; - case 'sorted' : - this.fm.submitButton = undefined; - this.refreshGrid(); - break; + case 'sorted' : + this.fm.submitButton = undefined; + this.refreshGrid(); + break; } }; @@ -233,7 +262,7 @@ 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]; @@ -242,10 +271,11 @@ 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) { @@ -253,14 +283,11 @@ 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; @@ -289,20 +316,6 @@ Lightbox.prototype.selectCBRange = function(evt) { }; Lightbox.prototype.refreshGrid = function() { - if (!this.uidIndex) { - // build checkbox index - this.uidIndex = {}; - var i, node, length=0; - var nodes = this.grid.childNodes; - for (i=0 ; i<nodes.length ; i++) { - node = nodes[i]; - if (node.nodeName === 'SPAN') { - this.uidIndex[node.name] = node; - length++; - } - } - this.uidIndex.length = length; - } var req = new XMLHttpRequest(); self = this; req.onreadystatechange = function() { @@ -313,7 +326,7 @@ Lightbox.prototype.refreshGrid = function() { case 4 : hideProgressImage(); if (req.status === 200) { - self._refreshGrid(req) + self._refreshGrid(req); } break; } @@ -321,13 +334,75 @@ Lightbox.prototype.refreshGrid = function() { var url = absolute_url() + '/portfolio_thumbnails_tail?start:int=0&size:int=' + - this.uidIndex.length; + this.slides.length; req.open('GET', url, true); req.send(); }; Lightbox.prototype._refreshGrid = function(req) { - console.log(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(); + var 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) + + '&size:int=10' + + '&container_type=' + + this.container_type; + 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(); };