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[Portfolio.git] / skins / photo_lightbox_viewer.js

diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js
index 8dfbaf4..b67f6ab 100644 (file)
--- a/skins/photo_lightbox_viewer.js
+++ b/skins/photo_lightbox_viewer.js
@@ -24,7 +24,6 @@ Lightbox = function(grid, toolbar, complete, container_type) {
                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;
@@ -46,6 +45,12 @@ Lightbox = function(grid, toolbar, complete, container_type) {
                fm.onBeforeSubmit = function(fm_, evt) {return self.onBeforeSubmit(fm_, evt);};
                fm.onResponseLoad = function(req) {return self.onResponseLoad(req);};
        }
+
+       // drag and drop
+       this.disableDefaultDragging();
+       addListener(this.grid, 'dragstart', function(evt){self.onDragStart(evt);});
+       addListener(this.grid, 'dragover', function(evt){self.onDragOver(evt);});
+       addListener(this.grid, 'dragend', function(evt){self.onDragEnd(evt);});
 };
 
 Lightbox.prototype._buildSlidesIndex = function() {
@@ -200,6 +205,9 @@ Lightbox.prototype.onResponseLoad = function(req) {
                        this.fm.submitButton = undefined;
                        this.refreshGrid();
                        break;
+               default :
+                       this.fm.loadResponse(req);
+                       break;
        }
 };
 
@@ -347,6 +355,7 @@ Lightbox.prototype._refreshGrid = function(req) {
                node = doc.childNodes[i];
                if (node.nodeType === 1) {
                        node = getCopyOfNode(node);
+                       this.disableDefaultDragging(node);
                        this.grid.replaceChild(node, this.slides[j]);
                        this.slides[j] = node;
                        j++;
@@ -389,6 +398,7 @@ 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];
@@ -421,4 +431,57 @@ else {
        };
 }
 
+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.onDragStart = function(evt) {
+       var target = getTargetedObject(evt);
+       this.dragged = target;
+       evt.dataTransfer.setData('text', '');
+       target.style.opacity = 0;
+       target.style.width = 0;
+};
+
+Lightbox.prototype.onDragOver = function(evt) {
+       var target = getTargetedObject(evt);
+       while(target.className !== 'slide') {
+               target = target.parentNode;
+       }
+       target = target.parentNode;
+       if (target !== this.dragged) {
+               target.classList.add('dragover');
+       }
+       if (this.previousDragOver && this.previousDragOver !== target) {
+               this.previousDragOver.classList.remove('dragover');
+       }
+       this.previousDragOver = target;
+};
+
+Lightbox.prototype.onDragEnd = function(evt) {
+       this.dragged.style.opacity = 1;
+       this.dragged.style.width = '';
+       if (this.previousDragOver) {
+               this.previousDragOver.classList.remove('dragover');
+       }
+       this.previousDragOver = this.dragged = undefined;
+};
+
 }());
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