X-Git-Url: https://scm.cri.mines-paristech.fr/git/Portfolio.git/blobdiff_plain/e3221dd5738f0c8410573ae0980e7c8c2065b32c..e6d1eadd24491cb6194d217664169b0ab974034e:/skins/photo_lightbox_viewer.js?ds=inline

diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js
index dbea64c..c649dc2 100644
--- a/skins/photo_lightbox_viewer.js
+++ b/skins/photo_lightbox_viewer.js
@@ -11,8 +11,20 @@ var Lightbox;
 
 var reSelected = /.*selected.*/;
 
-Lightbox = function(grid) {
+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.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;
@@ -26,12 +38,46 @@ Lightbox = function(grid) {
 			break;
 		}
 	}
-	thisLightbox = this;
-	addListener(this.grid, 'click', function(evt){thisLightbox.mouseClickHandler(evt);});
+	addListener(this.grid, 'click', function(evt){self.mouseClickHandler(evt);});
 	if (this.form) {
-		var fm = new FormManager(this.form);
-		fm.onBeforeSubmit = function(fm_, evt) {return thisLightbox.onBeforeSubmit(fm_, evt);};
-		fm.onResponseLoad = function(req) {return thisLightbox.onResponseLoad(req);};
+		var fm = this.fm = new FormManager(this.form);
+		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._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 && 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();
 	}
 };
 
@@ -39,7 +85,7 @@ 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;
@@ -125,6 +171,14 @@ 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);
+	}
+};
+
 Lightbox.prototype.onBeforeSubmit = function(fm, evt) {
 	switch(fm.submitButton.name) {
 		case 'delete' :
@@ -141,9 +195,34 @@ Lightbox.prototype.onResponseLoad = function(req) {
 		case 'error' :
 			this.showSelection();
 			break;
+		case 'sorted' :
+			this.fm.submitButton = undefined;
+			this.refreshGrid();
+			break;
+	}
+};
+
+Lightbox.prototype.switchToolBarPositioning = function(fixed) {
+	var tbs = this.toolbar.style;
+	if (fixed) {
+		this.toolbar.defaultCssText = this.toolbar.style.cssText;
+		tbs.width = String(this.toolbar.offsetWidth) + 'px';
+		tbs.height = String(this.toolbar.offsetHeight) + 'px';
+		tbs.position = 'fixed';
+		tbs.top = '0';
+		this.toolbarPlaceholder = document.createElement('div');
+		var phs = this.toolbarPlaceholder.style;
+		phs.cssText = tbs.cssText;
+		phs.position = 'relative';
+		this.toolbar.parentNode.insertBefore(this.toolbarPlaceholder, this.toolbar);
+	}
+	else {
+		this.toolbarPlaceholder.parentNode.removeChild(this.toolbarPlaceholder);
+		tbs.cssText = this.toolbar.defaultCssText;
 	}
 };
 
+
 Lightbox.prototype.hideSelection = function() {
 	var i, e, slide;
 	for (i=0 ; i<this.form.elements.length ; i++) {
@@ -182,7 +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];
@@ -191,10 +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) {
@@ -202,14 +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;
@@ -237,6 +314,94 @@ 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();
+	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';
+	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) {