X-Git-Url: https://scm.cri.mines-paristech.fr/git/Portfolio.git/blobdiff_plain/8a59623d303386b587ea30f8170cd0c66ec5d196..fd69eaaf44e7c071f179242936c737509eb667ef:/skins/photo_lightbox_viewer.js?ds=inline

diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js
index 6c8674d..c030fbb 100644
--- a/skins/photo_lightbox_viewer.js
+++ b/skins/photo_lightbox_viewer.js
@@ -1,9 +1,7 @@
 /*
-* © 2008 Benoît Pin – Centre de recherche en informatique – École des mines de Paris
+* 2008-2014 Benoit Pin - MINES ParisTech
 * http://plinn.org
 * Licence Creative Commons http://creativecommons.org/licenses/by-nc/2.0/
-* 
-* 
 */
 
 
@@ -13,30 +11,88 @@ var Lightbox;
 
 var reSelected = /.*selected.*/;
 
-Lightbox = function(grid) {
+Lightbox = function(grid, toolbar, complete) {
+	var self = this;
 	this.grid = grid;
-	thisLightbox = this;
-	addListener(this.grid, 'click', function(evt){thisLightbox.mouseClickHandler(evt);});
-	if (!browser.isGecko){
-		addListener(this.grid, 'mouseover', function(evt){thisLightbox.mouseOverHandler(evt);});
-		addListener(this.grid, 'mouseout', function(evt){thisLightbox.mouseOutHandler(evt);});
+	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();});
+	this.lastCBChecked = undefined;
+	this.form = undefined;
+	var parent = this.grid.parentNode;
+	while(parent) {
+		parent = parent.parentNode;
+		if (parent.tagName === 'FORM') {
+			this.form = parent;
+			break;
+		}
+		else if (parent.tagName === 'BODY') {
+			break;
+		}
+	}
+	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);});
+		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 < window.scrollY && !this.toolbarFixed) {
+		this.toolbarFixed = true;
+		this.backThreshold = this.toolbar.offsetTop;
+		this.switchToolBarPositioning(true);
+	}
+	else if (this.toolbarFixed && window.scrollY < this.backThreshold) {
+		this.toolbarFixed = false;
+		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') {
+	if (target.tagName === 'IMG') {
 		var img = target;
-		var link =  target.parentNode;
+		var link =	target.parentNode;
 		var button =  link.parentNode;
 		var slide = button.parentNode;
-		if (link.tagName == 'A') {
+		var req, url;
+		if (link.tagName === 'A') {
 			switch(link.getAttribute('name')) {
 				case 'add_to_selection':
 					disableDefault(evt);
 					link.blur();
-					var req = new XMLHttpRequest();
-					var url = link.href;
+					req = new XMLHttpRequest();
+					url = link.href;
 					req.open("POST", url, true);
 					req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
 					req.send("ajax=1");
@@ -52,8 +108,8 @@ Lightbox.prototype.mouseClickHandler = function(evt) {
 				case 'remove_to_selection':
 					disableDefault(evt);
 					link.blur();
-					var req = new XMLHttpRequest();
-					var url = link.href;
+					req = new XMLHttpRequest();
+					url = link.href;
 					req.open("POST", url, true);
 					req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
 					req.send("ajax=1");
@@ -72,8 +128,8 @@ Lightbox.prototype.mouseClickHandler = function(evt) {
 				case 'hide_for_anonymous':
 					disableDefault(evt);
 					link.blur();
-					var req = new XMLHttpRequest();
-					var url = link.href;
+					req = new XMLHttpRequest();
+					url = link.href;
 					req.open("POST", url, true);
 					req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
 					req.send(null);
@@ -87,8 +143,8 @@ Lightbox.prototype.mouseClickHandler = function(evt) {
 				case 'show_for_anonymous':
 					disableDefault(evt);
 					link.blur();
-					var req = new XMLHttpRequest();
-					var url = link.href;
+					req = new XMLHttpRequest();
+					url = link.href;
 					req.open("POST", url, true);
 					req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
 					req.send(null);
@@ -100,43 +156,263 @@ Lightbox.prototype.mouseClickHandler = function(evt) {
 					break;
 			}
 		}
+	} else if(target.tagName === 'INPUT' && target.type === 'checkbox') {
+		var cb = target;
+		if (cb.checked) {
+			cb.setAttribute('checked', 'checked');
+		}
+		else {
+			cb.removeAttribute('checked');
+		}
+		this.selectCBRange(evt);
 	}
 };
 
-Lightbox.prototype.mouseOverHandler = function(evt) {
+Lightbox.prototype.onChangeHandler = function(evt) {
 	var target = getTargetedObject(evt);
-	if (target.tagName=='AREA') {
-		var slide = target.parentNode.parentNode;
-		if(reSelected.test(slide.className))
-			slide.className = 'slide_over_selected';
-		else
-			slide.className = 'slide_over';
+	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' :
+			this.hideSelection();
+			break;
+	}
+};
+
+Lightbox.prototype.onResponseLoad = function(req) {
+	switch(req.responseXML.documentElement.nodeName) {
+		case 'deleted' :
+			this.deleteSelection();
+			break;
+		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++) {
+		e = this.form.elements[i];
+		if (e.type === 'checkbox' && e.checked) {
+			slide = e.parentNode.parentNode;
+			slide.classList.add('zero_opacity');
+		}
+	}
+};
+
+Lightbox.prototype.showSelection = function() {
+	var i, e, slide;
+	for (i=0 ; i<this.form.elements.length ; i++) {
+		e = this.form.elements[i];
+		if (e.type === 'checkbox' && e.checked) {
+			slide = e.parentNode.parentNode;
+			slide.classList.remove('zero_opacity');
+		}
 	}
 };
 
-Lightbox.prototype.mouseOutHandler = function(evt) {
+Lightbox.prototype.deleteSelection = function() {
+	var i, e, slide;
+	for (i=0 ; i<this.form.elements.length ; i++) {
+		e = this.form.elements[i];
+		if (e.type === 'checkbox' && e.checked) {
+			slide = e.parentNode.parentNode;
+			slide.classList.add('zero_width');
+		}
+	}
+	var self = this;
+	// if you change this, delay you should also change this css rule :
+	// .lightbox span { transition: width 1s
+	setTimeout(function(){self._removeSelection();}, 1000);
+};
+
+Lightbox.prototype._removeSelection = function() {
+	var i, e;
+	var toRemove = [];
+	for (i=0 ; i<this.form.elements.length ; i++) {
+		e = this.form.elements[i];
+		if (e.type === 'checkbox' && e.checked) {
+			toRemove.push(e.parentNode.parentNode);
+		}
+	}
+	for (i=0 ; i<toRemove.length ; i++) {
+		this.grid.removeChild(toRemove[i]);
+	}
+	this._buildSlidesIndex();
+	this.cbIndex = undefined;
+	this.windowScrollGridHandler();
+};
+
+Lightbox.prototype.getCBIndex = function(cb) {
+	if (!this.cbIndex) {
+		// build checkbox index
+		this.cbIndex = [];
+		var i, node, 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;
+};
+
+Lightbox.prototype.selectCBRange = function(evt) {
 	var target = getTargetedObject(evt);
-	if (target.tagName=='AREA') {
-		var slide = target.parentNode.parentNode;
-		if(reSelected.test(slide.className))
-			slide.className = 'selected';
-		else
-			slide.className = undefined;
+	evt = getEventObject(evt);
+	var shift = evt.shiftKey;
+	if (shift && this.lastCBChecked) {
+		var from = this.getCBIndex(this.lastCBChecked);
+		var to = this.getCBIndex(target);
+		var start = Math.min(from, to);
+		var stop = Math.max(from, to);
+		var i;
+		for (i=start ; i<stop ; i++ ) {
+			this.cbIndex[i].setAttribute('checked', 'checked');
+		}
+	}
+	else if (target.checked) {
+		this.lastCBChecked = target;
 	}
+	else {
+		this.lastCBChecked = undefined;
+	}
+};
+
+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) {
 	_outlineSelectedSlide = function(slide) {
 		slide.className = 'selected';
-	}
+	};
 }
 else {
 	_outlineSelectedSlide = function(slide) {
-		if (slide.className)
-			if (!reSelected.test(slide.className))
+		if (slide.className &&
+			!reSelected.test(slide.className)) {
 				slide.className = slide.className + ' selected';
-	}
+		}
+	};
 }
 
-})();
\ No newline at end of file
+}());
\ No newline at end of file