Activation de l'ordonnancement par drag and drop que quand c'est possible (permission...

[Portfolio.git] / skins / photo_lightbox_viewer.js

diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js
index b67f6ab..ba3ecf1 100644 (file)
--- a/skins/photo_lightbox_viewer.js
+++ b/skins/photo_lightbox_viewer.js
@@ -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);
        }
@@ -451,37 +456,140 @@ 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.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;
+       this.draggedSelection = this.getSelectedSlides();
+       if (this.draggedSelection.indexOf(target) === -1) {
+               this.draggedSelection.push(target);
+       }
        evt.dataTransfer.setData('text', '');
-       target.style.opacity = 0;
-       target.style.width = 0;
+       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) {
+       if (!this.dragged) {
+               return;
+       }
        var target = getTargetedObject(evt);
-       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');
        }
-       if (this.previousDragOver && this.previousDragOver !== target) {
-               this.previousDragOver.classList.remove('dragover');
+       if (this.lastDropTarget && this.lastDropTarget !== target) {
+               this.lastDropTarget.classList.remove('dragover');
        }
-       this.previousDragOver = target;
+       this.lastDropTarget = target;
 };
 
 Lightbox.prototype.onDragEnd = function(evt) {
-       this.dragged.style.opacity = 1;
-       this.dragged.style.width = '';
-       if (this.previousDragOver) {
-               this.previousDragOver.classList.remove('dragover');
+       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 = '';
        }
-       this.previousDragOver = this.dragged = undefined;
 };
 
 }());
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