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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 dc2547e..cffa157 100644 (file)
--- a/skins/photo_lightbox_viewer.js
+++ b/skins/photo_lightbox_viewer.js
@@ -11,13 +11,79 @@ var Lightbox;
 
 var reSelected = /.*selected.*/;
 
 
 var reSelected = /.*selected.*/;
 

-Lightbox = function(grid) {
+Lightbox = function(grid, toolbar, complete, container_type) {
+       var self = this;

        this.grid = grid;
        this.grid = grid;

-       thisLightbox = this;
-       addListener(this.grid, 'click', function(evt){thisLightbox.mouseClickHandler(evt);});
-       if (!browser.isGecko){
-               addListener(this.grid, 'mouseover', function(evt){thisLightbox.mouseOverHandler(evt);});
-               addListener(this.grid, 'mouseout', function(evt){thisLightbox.mouseOutHandler(evt);});
+       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);});
+       registerStartupFunction(function(){ self.windowScrollGridHandler();});
+       this.lastCBChecked = undefined;
+       this.form = undefined;
+       var parent = this.grid.parentNode;
+       while(parent) {
+               parent = parent.parentNode;
+               if (parent.tagName === 'FORM') {
+                       this.form = parent;
+                       break;
+               }
+               else if (parent.tagName === 'BODY') {
+                       break;
+               }
+       }
+       addListener(this.grid, 'click', function(evt){self.mouseClickHandler(evt);});
+       if (this.form) {
+               var fm = this.fm = new FormManager(this.form);
+               addListener(this.form, 'change', function(evt){self.onChangeHandler(evt);});
+               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() {
+       this.slides = [];
+       var node, i;
+       for (i=0 ; i<this.grid.childNodes.length ; i++) {
+               node = this.grid.childNodes[i];
+               if (node.nodeType === 1) { // is element
+                       this.slides.push(node);
+               }
+       }
+       this.lastSlide = this.slides[this.slides.length-1];
+};
+
+Lightbox.prototype.windowScrollToolbarlHandler = function(evt) {
+       if (this.toolbar.offsetTop < getWindowScrollY() && !this.toolbarFixed) {
+               this.toolbarFixed = true;
+               this.backThreshold = this.toolbar.offsetTop;
+               this.switchToolBarPositioning(true);
+       }
+       else if (this.toolbarFixed && getWindowScrollY() < this.backThreshold) {
+               this.toolbarFixed = false;
+               this.switchToolBarPositioning(false);
+       }
+};
+Lightbox.prototype.windowScrollGridHandler = function(evt) {
+       if (!this.complete &&
+               !this.fetchingDisabled &&
+               getWindowScrollY() >
+                       (this.lastSlide.firstElementChild || this.lastSlide.children[0]).offsetTop
+                        - getWindowHeight()) {
+               this.fetchingDisabled = true;
+               this.fetchTail();

        }
 };
 
        }
 };
 


@@ -25,7 +91,7 @@ Lightbox.prototype.mouseClickHandler = function(evt) {
        var target = getTargetedObject(evt);
        if (target.tagName === 'IMG') {
                var img = target;
        var target = getTargetedObject(evt);
        if (target.tagName === 'IMG') {
                var img = target;

-               var link =  target.parentNode;
+               var link =      target.parentNode;

                var button =  link.parentNode;
                var slide = button.parentNode;
                var req, url;
                var button =  link.parentNode;
                var slide = button.parentNode;
                var req, url;


@@ -99,31 +165,257 @@ Lightbox.prototype.mouseClickHandler = function(evt) {
                                        break;
                        }
                }
                                        break;
                        }
                }

+       } else if(target.tagName === 'INPUT' && target.type === 'checkbox') {
+               var cb = target;
+               if (cb.checked) {
+                       cb.setAttribute('checked', 'checked');
+               }
+               else {
+                       cb.removeAttribute('checked');
+               }
+               this.selectCBRange(evt);

        }
 };
 
        }
 };
 

-Lightbox.prototype.mouseOverHandler = function(evt) {
+Lightbox.prototype.onChangeHandler = function(evt) {

        var target = getTargetedObject(evt);
        var target = getTargetedObject(evt);

-       if (target.tagName==='AREA') {
-               var slide = target.parentNode.parentNode;
-               if(reSelected.test(slide.className)) {
-                       slide.className = 'slide_over_selected';}
-               else {
-                       slide.className = 'slide_over';}
+       if (target.name === 'sort_on') {
+               this.fm.submitButton = {'name' : 'set_sorting', 'value' : 'ok'};
+               this.fm.submit(evt);
+       }
+};
+
+Lightbox.prototype.onBeforeSubmit = function(fm, evt) {
+       switch(fm.submitButton.name) {
+               case 'delete' :
+                       this.hideSelection();
+                       break;
+       }
+};
+
+Lightbox.prototype.onResponseLoad = function(req) {
+       switch(req.responseXML.documentElement.nodeName) {
+               case 'deleted' :
+                       this.deleteSelection();
+                       break;
+               case 'error' :
+                       this.showSelection();
+                       break;
+               case 'sorted' :
+                       this.fm.submitButton = undefined;
+                       this.refreshGrid();
+                       break;
+               default :
+                       this.fm.loadResponse(req);
+                       break;
+       }
+};
+
+Lightbox.prototype.switchToolBarPositioning = function(fixed) {
+       var tbs = this.toolbar.style;
+       if (fixed) {
+               this.toolbar.defaultCssText = this.toolbar.style.cssText;
+               tbs.width = String(this.toolbar.offsetWidth) + 'px';
+               tbs.height = String(this.toolbar.offsetHeight) + 'px';
+               tbs.position = 'fixed';
+               tbs.top = '0';
+               this.toolbarPlaceholder = document.createElement('div');
+               var phs = this.toolbarPlaceholder.style;
+               phs.cssText = tbs.cssText;
+               phs.position = 'relative';
+               this.toolbar.parentNode.insertBefore(this.toolbarPlaceholder, this.toolbar);
+       }
+       else {
+               this.toolbarPlaceholder.parentNode.removeChild(this.toolbarPlaceholder);
+               tbs.cssText = this.toolbar.defaultCssText;
+       }
+};
+
+
+Lightbox.prototype.hideSelection = function() {
+       var i, e, slide;
+       for (i=0 ; i<this.form.elements.length ; i++) {
+               e = this.form.elements[i];
+               if (e.type === 'checkbox' && e.checked) {
+                       slide = e.parentNode.parentNode;
+                       slide.classList.add('zero_opacity');
+               }
+       }
+};
+
+Lightbox.prototype.showSelection = function() {
+       var i, e, slide;
+       for (i=0 ; i<this.form.elements.length ; i++) {
+               e = this.form.elements[i];
+               if (e.type === 'checkbox' && e.checked) {
+                       slide = e.parentNode.parentNode;
+                       slide.classList.remove('zero_opacity');
+               }
+       }
+};
+
+Lightbox.prototype.deleteSelection = function() {
+       var i, e, slide;
+       for (i=0 ; i<this.form.elements.length ; i++) {
+               e = this.form.elements[i];
+               if (e.type === 'checkbox' && e.checked) {
+                       slide = e.parentNode.parentNode;
+                       slide.classList.add('zero_width');
+               }

        }
        }

+       var self = this;
+       // if you change this, delay you should also change this css rule :
+       // .lightbox span { transition: width 1s
+       setTimeout(function(){self._removeSelection();}, 1000);

 };
 
 };
 

-Lightbox.prototype.mouseOutHandler = function(evt) {
+Lightbox.prototype._removeSelection = function() {
+       var i, e;
+       var toRemove = [];
+       for (i=0 ; i<this.form.elements.length ; i++) {
+               e = this.form.elements[i];
+               if (e.type === 'checkbox' && e.checked) {
+                       toRemove.push(e.parentNode.parentNode);
+               }
+       }
+       for (i=0 ; i<toRemove.length ; i++) {
+               this.grid.removeChild(toRemove[i]);
+       }
+       this._buildSlidesIndex();
+       this.cbIndex = undefined;
+       this.windowScrollGridHandler();
+};
+
+Lightbox.prototype.getCBIndex = function(cb) {
+       if (!this.cbIndex) {
+               // build checkbox index
+               this.cbIndex = [];
+               var i, node, c;
+               for (i=0 ; i<this.slides.length ; i++) {
+                       node = this.slides[i];
+                       c = node.getElementsByTagName('input')[0];
+                       c.index = this.cbIndex.length;
+                       this.cbIndex.push(c);
+               }
+       }
+       return cb.index;
+};
+
+Lightbox.prototype.selectCBRange = function(evt) {

        var target = getTargetedObject(evt);
        var target = getTargetedObject(evt);

-       if (target.tagName==='AREA') {
-               var slide = target.parentNode.parentNode;
-               if(reSelected.test(slide.className)) {
-                       slide.className = 'selected';}
-               else {
-                       slide.className = undefined;}
+       evt = getEventObject(evt);
+       var shift = evt.shiftKey;
+       if (shift && this.lastCBChecked) {
+               var from = this.getCBIndex(this.lastCBChecked);
+               var to = this.getCBIndex(target);
+               var start = Math.min(from, to);
+               var stop = Math.max(from, to);
+               var i;
+               for (i=start ; i<stop ; i++ ) {
+                       this.cbIndex[i].setAttribute('checked', 'checked');
+               }
+       }
+       else if (target.checked) {
+               this.lastCBChecked = target;
+       }
+       else {
+               this.lastCBChecked = undefined;
+       }
+};
+
+Lightbox.prototype.refreshGrid = function() {
+       var req = new XMLHttpRequest();
+       self = this;
+       req.onreadystatechange = function() {
+               switch (req.readyState) {
+                       case 1 :
+                               showProgressImage();
+                               break;
+                       case 4 :
+                               hideProgressImage();
+                               if (req.status === 200) {
+                                       self._refreshGrid(req);
+                               }
+                               break;
+               }
+       };
+       
+       var url = absolute_url() +
+                         '/portfolio_thumbnails_tail?start:int=0&size:int=' +
+                         this.slides.length;
+       req.open('GET', url, true);
+       req.send();
+};
+
+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) {
+                       node = getCopyOfNode(node);
+                       this.disableDefaultDragging(node);
+                       this.grid.replaceChild(node, this.slides[j]);
+                       this.slides[j] = node;
+                       j++;
+               }
+       }
+       this.cbIndex = undefined;
+};
+
+Lightbox.prototype.fetchTail = function() {
+       var req = new XMLHttpRequest();
+       var self = this;
+       req.onreadystatechange = function() {
+               switch (req.readyState) {
+                       case 1 :
+                               showProgressImage();
+                               break;
+                       case 4 :
+                               hideProgressImage();
+                               if (req.status === 200) {
+                                       self._appendTail(req);
+                               }
+                               break;
+               }
+       };
+       
+       var url = absolute_url() +
+                         '/portfolio_thumbnails_tail?start:int=' +
+                         String(this.slides.length) +
+                         '&size:int=10' +
+                         '&container_type=' +
+                         this.container_type;
+       req.open('GET', url, true);
+       req.send();
+};
+
+Lightbox.prototype._appendTail = function(req) {
+       var doc = req.responseXML.documentElement;
+       var i, node, c;
+       for (i=0 ; i<doc.childNodes.length ; i++) {
+               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];
+                               c.index = this.cbIndex.length;
+                               this.cbIndex.push(c);
+                               
+                       }
+               }
+       }
+       this.fetchingDisabled = false;
+       if (doc.getAttribute('nomore')) {
+               this.complete = true;

        }
        }

+       this.windowScrollGridHandler();

 };
 
 };
 

+

 var _outlineSelectedSlide;
 if (browser.isGecko) {
        _outlineSelectedSlide = function(slide) {
 var _outlineSelectedSlide;
 if (browser.isGecko) {
        _outlineSelectedSlide = function(slide) {


@@ -139,4 +431,84 @@ else {
        };
 }
 
        };
 }
 

-})();
\ No newline at end of file
+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);
+       if (!target) {return;}
+       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) {
+       if (this.previousDragOver) {
+               this.previousDragOver.classList.remove('dragover');
+               var i, slide;
+               for(i=this.draggedSelection.length -1 ; i>=0 ; i--) {
+                       console.log(i);
+                       slide = this.draggedSelection[i].cloneNode(true);
+                       this.grid.insertBefore(slide, this.previousDragOver.nextSibling);
+                       slide.style.opacity = 1;
+                       slide.style.width = '';
+               }
+       }
+       this.draggedSelection = this.previousDragOver = this.dragged = undefined;
+};
+
+}());
\ No newline at end of file