bugfix.

[Portfolio.git] / skins / photo_lightbox_viewer.js

diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js
index bb27a67..3438151 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() {
@@ -350,6 +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++;
@@ -392,6 +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];
@@ -424,4 +431,144 @@ 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.getSelectedSlides = function() {
+       var i, e, slide;
+       var slides = [];
+       for (i=0 ; i<this.form.elements.length ; i++) {
+               e = this.form.elements[i];
+               if (e.type === 'checkbox' && e.checked) {
+                       slide = e.parentNode.parentNode;
+                       slides.push(slide);
+               }
+       }
+       return slides;
+};
+
+Lightbox.prototype.onDragStart = function(evt) {
+       var target = getTargetedObject(evt);
+       this.dragged = target;
+       this.draggedSelection = this.getSelectedSlides();
+       if (this.draggedSelection.indexOf(target) === -1) {
+               this.draggedSelection.push(target);
+       }
+       evt.dataTransfer.setData('text', '');
+       var i, slide;
+       for(i=0 ; i<this.draggedSelection.length ; i++) {
+               slide = this.draggedSelection[i];
+               slide.style.opacity = 0;
+               slide.style.width = 0;
+       }
+};
+
+Lightbox.prototype.onDragOver = function(evt) {
+       var target = getTargetedObject(evt);
+       while(target && target.className !== 'slide') {
+               target = target.parentNode;
+       }
+       if (!target) {return;}
+       target = target.parentNode;
+       if (target !== this.dragged) {
+               target.classList.add('dragover');
+       }
+       if (this.lastDropTarget && this.lastDropTarget !== target) {
+               this.lastDropTarget.classList.remove('dragover');
+       }
+       this.lastDropTarget = target;
+};
+
+Lightbox.prototype.onDragEnd = function(evt) {
+       if (this.lastDropTarget) {
+               this.lastDropTarget.classList.remove('dragover');
+               var i, slide;
+               this.pendingMovedSlides = [];
+               for(i=this.draggedSelection.length -1 ; i>=0 ; i--) {
+                       slide = this.draggedSelection[i].cloneNode(true);
+                       this.pendingMovedSlides.push(slide);
+                       this.grid.insertBefore(slide, this.lastDropTarget.nextSibling);
+                       slide.style.opacity = 1;
+                       slide.style.width = '';
+               }
+               this.moveSelectedPhotos();
+       }
+       // this.draggedSelection = this.lastDropTarget
+       this.dragged = undefined;
+};
+
+Lightbox.prototype.moveSelectedPhotos = function() {
+       var req = new XMLHttpRequest();
+       self = this;
+       req.onreadystatechange = function() {
+               switch (req.readyState) {
+                       case 1 :
+                               showProgressImage();
+                               break;
+                       case 4 :
+                               hideProgressImage();
+                               self._moveSelectedPhotos(req)
+                               break;
+               }
+       };
+       
+       var url = absolute_url() + '/portfolio_move_photos';
+       req.open("POST", url, true);
+       req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
+       var query = 'container_type=' + this.container_type;
+       var i;
+       for (i=0 ; i<this.draggedSelection.length ; i++) {
+               query += '&uids:list=' + this.draggedSelection[i].getAttribute('name');
+       }
+       query += '&afterUid=' + this.lastDropTarget.getAttribute('name');
+       req.send(query);
+};
+
+Lightbox.prototype._moveSelectedPhotos = function(req) {
+       var i, slide, cb;
+       if (req.status === 200) {
+               var doc = req.responseXML.documentElement;
+               if (doc.nodeName === 'ok') {
+                       for(i=0 ; i<this.draggedSelection.length ; i++) {
+                               slide = this.draggedSelection[i];
+                               this.grid.removeChild(slide);
+                               cb = this.pendingMovedSlides[i].getElementsByTagName('input')[0]
+                               cb.checked = false;
+                               cb.removeAttribute('checked');
+                       }
+                       this.pendingMovedSlides = undefined;
+                       this.cbIndex = undefined;
+                       return;
+               }
+       }
+       
+       for(i=0 ; i<this.pendingMovedSlides.length ; i++) {
+               slide = this.pendingMovedSlides[i];
+               this.grid.removeChild(slide);
+       }
+       
+       for(i=0 ; i<this.draggedSelection.length ; i++) {
+               slide = this.draggedSelection[i];
+               slide.style.opacity = 1;
+               slide.style.width = '';
+       }
+};
+
 }());
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