Merge branch 'dd_ordering' into zope-2.13
[Portfolio.git] / skins / photo_lightbox_viewer.js
index 97c7f79..ba3ecf1 100644 (file)
@@ -11,7 +11,7 @@ var Lightbox;
 
 var reSelected = /.*selected.*/;
 
-Lightbox = function(grid, toolbar, complete, container_type) {
+Lightbox = function(grid, toolbar, complete, container_type, orderable) {
        var self = this;
        this.grid = grid;
        this._buildSlidesIndex(); // set this.slides and this.lastSlide;
@@ -48,9 +48,11 @@ Lightbox = function(grid, toolbar, complete, container_type) {
 
        // 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);});
+       this._DDOrderingListeners = {'dragstart' : function(evt){self.onDragStart(evt);},
+                                                                'dragover' : function(evt){self.onDragOver(evt);},
+                                                                'dragend' : function(evt){self.onDragEnd(evt);}
+                                                                };
+       if(orderable) {this.enableDDOrdering();}
 };
 
 Lightbox.prototype._buildSlidesIndex = function() {
@@ -76,6 +78,7 @@ Lightbox.prototype.windowScrollToolbarlHandler = function(evt) {
                this.switchToolBarPositioning(false);
        }
 };
+
 Lightbox.prototype.windowScrollGridHandler = function(evt) {
        if (!this.complete &&
                !this.fetchingDisabled &&
@@ -180,6 +183,8 @@ Lightbox.prototype.mouseClickHandler = function(evt) {
 Lightbox.prototype.onChangeHandler = function(evt) {
        var target = getTargetedObject(evt);
        if (target.name === 'sort_on') {
+               if (target.value === 'position') {this.enableDDOrdering();}
+               else {this.disableDDOrdering();}
                this.fm.submitButton = {'name' : 'set_sorting', 'value' : 'ok'};
                this.fm.submit(evt);
        }
@@ -464,6 +469,19 @@ Lightbox.prototype.getSelectedSlides = function() {
        return slides;
 };
 
+
+Lightbox.prototype.enableDDOrdering = function() {
+       addListener(this.grid, 'dragstart', this._DDOrderingListeners.dragstart);
+       addListener(this.grid, 'dragover', this._DDOrderingListeners.dragover);
+       addListener(this.grid, 'dragend', this._DDOrderingListeners.dragend);
+};
+
+Lightbox.prototype.disableDDOrdering = function() {
+       removeListener(this.grid, 'dragstart', this._DDOrderingListeners.dragstart);
+       removeListener(this.grid, 'dragover', this._DDOrderingListeners.dragover);
+       removeListener(this.grid, 'dragend', this._DDOrderingListeners.dragend);
+};
+
 Lightbox.prototype.onDragStart = function(evt) {
        var target = getTargetedObject(evt);
        this.dragged = target;
@@ -481,11 +499,14 @@ Lightbox.prototype.onDragStart = function(evt) {
 };
 
 Lightbox.prototype.onDragOver = function(evt) {
+       if (!this.dragged) {
+               return;
+       }
        var target = getTargetedObject(evt);
-       if (!target) {return;}
-       while(target.className !== 'slide') {
+       while(target && target.className !== 'slide') {
                target = target.parentNode;
        }
+       if (!target) {return;}
        target = target.parentNode;
        if (target !== this.dragged) {
                target.classList.add('dragover');
@@ -524,21 +545,21 @@ Lightbox.prototype.moveSelectedPhotos = function() {
                                break;
                        case 4 :
                                hideProgressImage();
-                               self._moveSelectedPhotos(req)
+                               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");
+       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);
+       req.send(query);
 };
 
 Lightbox.prototype._moveSelectedPhotos = function(req) {
@@ -549,7 +570,7 @@ Lightbox.prototype._moveSelectedPhotos = function(req) {
                        for(i=0 ; i<this.draggedSelection.length ; i++) {
                                slide = this.draggedSelection[i];
                                this.grid.removeChild(slide);
-                               cb = this.pendingMovedSlides[i].getElementsByTagName('input')[0]
+                               cb = this.pendingMovedSlides[i].getElementsByTagName('input')[0];
                                cb.checked = false;
                                cb.removeAttribute('checked');
                        }