X-Git-Url: https://scm.cri.mines-paristech.fr/git/Portfolio.git/blobdiff_plain/3940d117b095679f682c973f0bdc83e877b214e6..803504e79c7201ae6f4004c6ee9aa5275b3218c3:/skins/photo_lightbox_viewer.js

diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js
index d659ac1..c649dc2 100644
--- a/skins/photo_lightbox_viewer.js
+++ b/skins/photo_lightbox_viewer.js
@@ -14,17 +14,17 @@ var reSelected = /.*selected.*/;
 Lightbox = function(grid, toolbar, complete) {
 	var self = this;
 	this.grid = grid;
-	this.lastSlide = this.grid.children[this.grid.children.length-1];
+	this._buildSlidesIndex(); // set this.slides and this.lastSlide;
 	this.fetchingDisabled = false;
 	this.complete = complete;
-	console.log('complete:', complete)
 	this.toolbar = toolbar;
 	if (toolbar) {
 		this.toolbarFixed = false;
 		addListener(window, 'scroll', function(evt){self.windowScrollToolbarlHandler(evt);});
 	}
 	addListener(window, 'scroll', function(evt){self.windowScrollGridHandler(evt);});
-	addListener(window, 'load', function(evt){ self.windowScrollGridHandler();});
+	// addListener(window, 'load', function(evt){ self.windowScrollGridHandler();});
+	registerStartupFunction(function(){ self.windowScrollGridHandler();});
 	this.lastCBChecked = undefined;
 	this.form = undefined;
 	var parent = this.grid.parentNode;
@@ -47,13 +47,25 @@ Lightbox = function(grid, toolbar, complete) {
 	}
 };
 
+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) {
+	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);
 	}
@@ -61,7 +73,9 @@ Lightbox.prototype.windowScrollToolbarlHandler = function(evt) {
 Lightbox.prototype.windowScrollGridHandler = function(evt) {
 	if (!this.complete &&
 		!this.fetchingDisabled &&
-		window.scrollY > this.lastSlide.firstElementChild.offsetTop - getWindowHeight()) {
+		getWindowScrollY() >
+			(this.lastSlide.firstElementChild || this.lastSlide.children[0]).offsetTop
+			 - getWindowHeight()) {
 		this.fetchingDisabled = true;
 		this.fetchTail();
 	}
@@ -247,7 +261,7 @@ 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];
@@ -256,10 +270,11 @@ 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) {
@@ -267,14 +282,11 @@ 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;
@@ -313,7 +325,7 @@ Lightbox.prototype.refreshGrid = function() {
 			case 4 :
 				hideProgressImage();
 				if (req.status === 200) {
-					self._refreshGrid(req)
+					self._refreshGrid(req);
 				}
 				break;
 		}
@@ -321,23 +333,30 @@ Lightbox.prototype.refreshGrid = function() {
 	
 	var url = absolute_url() +
 			  '/portfolio_thumbnails_tail?start:int=0&size:int=' +
-			  this.grid.children.length;
+			  this.slides.length;
 	req.open('GET', url, true);
 	req.send();
 };
 
 Lightbox.prototype._refreshGrid = function(req) {
 	var doc = req.responseXML.documentElement;
-	var i;
-	var slides = this.grid.children;
-	for (i=0 ; i<doc.children.length ; i++) {
-		this.grid.replaceChild(getCopyOfNode(doc.children[i]), slides[i]);
+	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;
+	var self = this;
 	req.onreadystatechange = function() {
 		switch (req.readyState) {
 			case 1 :
@@ -346,7 +365,7 @@ Lightbox.prototype.fetchTail = function() {
 			case 4 :
 				hideProgressImage();
 				if (req.status === 200) {
-					self._appendTail(req)
+					self._appendTail(req);
 				}
 				break;
 		}
@@ -354,7 +373,7 @@ Lightbox.prototype.fetchTail = function() {
 	
 	var url = absolute_url() +
 			  '/portfolio_thumbnails_tail?start:int=' +
-			  String(this.grid.children.length + 1 ) +
+			  String(this.slides.length) +
 			  '&size:int=10';
 	req.open('GET', url, true);
 	req.send();
@@ -362,15 +381,23 @@ Lightbox.prototype.fetchTail = function() {
 
 Lightbox.prototype._appendTail = function(req) {
 	var doc = req.responseXML.documentElement;
-	var i;
-	var slides = this.grid.children;
-	for (i=0 ; i<doc.children.length ; i++) {
-		this.lastSlide = this.grid.appendChild(getCopyOfNode(doc.children[i]));
+	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;
-		console.info('complete');
 	}
 	this.windowScrollGridHandler();
 };