From 992dde21cc051b895d8e5e98509c27edc4e3e304 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Benoi=CC=82t=20Pin?= <benoit.pin@gmail.com>
Date: Thu, 10 Jul 2014 08:42:49 +0200
Subject: [PATCH] =?utf8?q?Fetch=20des=20photos=20suivante=20(impl=C3=A9men?=
 =?utf8?q?tation=20incompl=C3=A8te).?=
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

---
 skins/getPhotosInfos.py            |  7 +++---
 skins/photo_lightbox_viewer.js     | 36 +++++++++++++++++++++++++++++-
 skins/portfolio_thumbnails_tail.py |  4 +++-
 3 files changed, 42 insertions(+), 5 deletions(-)

diff --git a/skins/getPhotosInfos.py b/skins/getPhotosInfos.py
index e77739f..c5b00a7 100755
--- a/skins/getPhotosInfos.py
+++ b/skins/getPhotosInfos.py
@@ -1,4 +1,4 @@
-##parameters=portfolio
+##parameters=portfolio, pho_start=None, batch_size=None
 from Products.Plinn.PloneMisc import Batch
 from Products.CMFCore.utils import getToolByName
 from Products.CMFCore.permissions import ReviewPortalContent, ModifyPortalContent
@@ -22,13 +22,14 @@ if mtool.checkPermission(ModifyPortalContent, context) :
     features['checkbox'] = True
 
 req = context.REQUEST
-pho_start = req.get('pho_start', 0)
+pho_start = pho_start if pho_start is not None else 0
+batch_size = batch_size if batch_size is not None else context.default_batch_size
 sort_on, sort_order = context.getDefaultSorting()
 contentFilter = {'portal_type' : ['Photo'],
                  'sort_on' : sort_on,
                  'sort_order' : sort_order}
 batch = Batch(portfolio.listCatalogedContents(contentFilter=contentFilter),
-              context.default_batch_size, pho_start, orphan=5, quantumleap=1, b_start_str='pho_start')
+              batch_size, pho_start, orphan=5, quantumleap=1, b_start_str='pho_start')
 
 
 infos = []
diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js
index 0b40288..9a57ac2 100644
--- a/skins/photo_lightbox_viewer.js
+++ b/skins/photo_lightbox_viewer.js
@@ -53,7 +53,7 @@ Lightbox.prototype.windowScrollHandler = function(evt) {
 		this.switchToolBarPositioning(false);
 	}
     if (window.scrollY > this.lastSlide.firstElementChild.offsetTop - getWindowHeight()) {
-        console.log('À boire !');
+        this.fetchTail();
     }
 };
 
@@ -325,6 +325,40 @@ Lightbox.prototype._refreshGrid = function(req) {
     }
 };
 
+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.grid.children.length + 1 ) +
+              '&size:int=10';
+	req.open('GET', url, true);
+	req.send();
+};
+
+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.grid.replaceChild(getCopyOfNode(doc.children[i]), slides[i]);
+    }
+};
+
 
 var _outlineSelectedSlide;
 if (browser.isGecko) {
diff --git a/skins/portfolio_thumbnails_tail.py b/skins/portfolio_thumbnails_tail.py
index 819e759..4f47bf3 100644
--- a/skins/portfolio_thumbnails_tail.py
+++ b/skins/portfolio_thumbnails_tail.py
@@ -1,4 +1,6 @@
 ##parameters=start=0, size=10
 options={}
-options.update(context.getPhotosInfos(context))
+options.update(context.getPhotosInfos(context,
+                                      pho_start=start,
+                                      batch_size=size))
 return context.portfolio_thumbnails_tail_template(**options)
\ No newline at end of file
-- 
2.20.1