Première expérimentations (et première galères…) de l'ordonnancement par drag and...

[Portfolio.git] / skins / photo_lightbox_viewer.js

diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js
index a4c9a25..cb8be26 100644 (file)
--- a/skins/photo_lightbox_viewer.js
+++ b/skins/photo_lightbox_viewer.js
@@ -11,19 +11,21 @@ var Lightbox;
 
 var reSelected = /.*selected.*/;
 
-Lightbox = function(grid, toolbar, complete) {
+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.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;
@@ -44,8 +46,40 @@ Lightbox = function(grid, toolbar, complete) {
                fm.onBeforeSubmit = function(fm_, evt) {return self.onBeforeSubmit(fm_, evt);};
                fm.onResponseLoad = function(req) {return self.onResponseLoad(req);};
        }
+    this.disableDefaultDragging();
+    addListener(this.grid,
+                'dragstart',
+                function(evt) {
+                    var target = getTargetedObject(evt);
+                    console.info('dragstart',
+                                target);
+                    evt.dataTransfer.setData('text', '');
+                    target.style.opacity = 0;
+                    target.style.width = 0;
+                   // disableDefault(evt);
+                });
 };
 
+if (browser.isGecko) {
+    Lightbox.prototype.disableDefaultDragging = function(element) {
+        if (!element) {
+            element = this.grid;
+        }
+        var i, j, name, elements;
+        var elementsNames = ['a', 'img'];
+        for (i=0 ; i < elementsNames.length ; i++) {
+            name = elementsNames[i];
+            elements = element.getElementsByTagName(name);
+            for (j=0 ; j < elements.length ; j++) {
+                elements[j].draggable=false;
+            }
+        }
+    };
+}
+else {
+    Lightbox.prototype.disableDefaultDragging = function() {};
+}
+
 Lightbox.prototype._buildSlidesIndex = function() {
        this.slides = [];
        var node, i;
@@ -59,12 +93,12 @@ Lightbox.prototype._buildSlidesIndex = function() {
 };
 
 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);
        }
@@ -72,7 +106,9 @@ 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();
        }
@@ -196,6 +232,9 @@ Lightbox.prototype.onResponseLoad = function(req) {
                        this.fm.submitButton = undefined;
                        this.refreshGrid();
                        break;
+               default :
+                       this.fm.loadResponse(req);
+                       break;
        }
 };
 
@@ -322,7 +361,7 @@ Lightbox.prototype.refreshGrid = function() {
                        case 4 :
                                hideProgressImage();
                                if (req.status === 200) {
-                                       self._refreshGrid(req)
+                                       self._refreshGrid(req);
                                }
                                break;
                }
@@ -338,10 +377,15 @@ Lightbox.prototype.refreshGrid = function() {
 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) {
-                       this.slides[i] = this.grid.replaceChild(getCopyOfNode(node), this.slides[i]);
+                       node = getCopyOfNode(node);
+            this.disableDefaultDragging(node);
+                       this.grid.replaceChild(node, this.slides[j]);
+                       this.slides[j] = node;
+                       j++;
                }
        }
        this.cbIndex = undefined;
@@ -349,7 +393,7 @@ Lightbox.prototype._refreshGrid = function(req) {
 
 Lightbox.prototype.fetchTail = function() {
        var req = new XMLHttpRequest();
-       self = this;
+       var self = this;
        req.onreadystatechange = function() {
                switch (req.readyState) {
                        case 1 :
@@ -358,7 +402,7 @@ Lightbox.prototype.fetchTail = function() {
                        case 4 :
                                hideProgressImage();
                                if (req.status === 200) {
-                                       self._appendTail(req)
+                                       self._appendTail(req);
                                }
                                break;
                }
@@ -366,8 +410,10 @@ Lightbox.prototype.fetchTail = function() {
        
        var url = absolute_url() +
                          '/portfolio_thumbnails_tail?start:int=' +
-                         String(this.slides.length + 1 ) +
-                         '&size:int=10';
+                         String(this.slides.length) +
+                         '&size:int=10' +
+                         '&container_type=' +
+                         this.container_type;
        req.open('GET', url, true);
        req.send();
 };
@@ -379,6 +425,7 @@ Lightbox.prototype._appendTail = function(req) {
                node = doc.childNodes[i];
                if (node.nodeType === 1) {
                        this.lastSlide = this.grid.appendChild(getCopyOfNode(node));
+            this.disableDefaultDragging(this.lastSlide);
                        this.slides.push(this.lastSlide);
                        if (this.cbIndex) {
                                c = this.lastSlide.getElementsByTagName('input')[0];