Première expérimentations (et première galères…) de l'ordonnancement par drag and...

[Portfolio.git] / skins / photo_lightbox_viewer.js

diff --git a/skins/photo_lightbox_viewer.js b/skins/photo_lightbox_viewer.js
index 9a57ac2..cb8be26 100644 (file)
--- a/skins/photo_lightbox_viewer.js
+++ b/skins/photo_lightbox_viewer.js
@@ -11,15 +11,21 @@ var Lightbox;
 
 var reSelected = /.*selected.*/;
 
 
 var reSelected = /.*selected.*/;
 

-Lightbox = function(grid, toolbar) {
+Lightbox = function(grid, toolbar, complete, container_type) {

        var self = this;
        this.grid = grid;
        var self = this;
        this.grid = grid;

-    this.lastSlide = this.grid.children[this.grid.children.length-1];
+       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;
        this.toolbar = toolbar;
        if (toolbar) {
                this.toolbarFixed = false;

-               addListener(window, 'scroll', function(evt){self.windowScrollHandler(evt);});
+               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;
        var parent = this.grid.parentNode;
        this.lastCBChecked = undefined;
        this.form = undefined;
        var parent = this.grid.parentNode;


@@ -36,32 +42,83 @@ Lightbox = function(grid, toolbar) {
        addListener(this.grid, 'click', function(evt){self.mouseClickHandler(evt);});
        if (this.form) {
                var fm = this.fm = new FormManager(this.form);
        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);});
+               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);};
        }
                fm.onBeforeSubmit = function(fm_, evt) {return self.onBeforeSubmit(fm_, evt);};
                fm.onResponseLoad = function(req) {return self.onResponseLoad(req);};
        }

+    this.disableDefaultDragging();
+    addListener(this.grid,
+                'dragstart',
+                function(evt) {
+                    var target = getTargetedObject(evt);
+                    console.info('dragstart',
+                                target);
+                    evt.dataTransfer.setData('text', '');
+                    target.style.opacity = 0;
+                    target.style.width = 0;
+                   // disableDefault(evt);
+                });

 };
 
 };
 

-Lightbox.prototype.windowScrollHandler = function(evt) {
-       if (this.toolbar.offsetTop < window.scrollY && !this.toolbarFixed) {
+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._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);
        }
                this.toolbarFixed = true;
                this.backThreshold = this.toolbar.offsetTop;
                this.switchToolBarPositioning(true);
        }

-       else if (this.toolbarFixed && window.scrollY < this.backThreshold) {
+       else if (this.toolbarFixed && getWindowScrollY() < this.backThreshold) {

                this.toolbarFixed = false;
                this.switchToolBarPositioning(false);
        }
                this.toolbarFixed = false;
                this.switchToolBarPositioning(false);
        }

-    if (window.scrollY > this.lastSlide.firstElementChild.offsetTop - getWindowHeight()) {
-        this.fetchTail();
-    }
+};
+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();
+       }

 };
 
 Lightbox.prototype.mouseClickHandler = function(evt) {
        var target = getTargetedObject(evt);
        if (target.tagName === 'IMG') {
                var img = target;
 };
 
 Lightbox.prototype.mouseClickHandler = function(evt) {
        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;


@@ -148,11 +205,11 @@ Lightbox.prototype.mouseClickHandler = function(evt) {
 };
 
 Lightbox.prototype.onChangeHandler = function(evt) {
 };
 
 Lightbox.prototype.onChangeHandler = function(evt) {

-    var target = getTargetedObject(evt);
-    if (target.name === 'sort_on') {
-        this.fm.submitButton = {'name' : 'set_sorting', 'value' : 'ok'};
-        this.fm.submit(evt);
-    }
+       var target = getTargetedObject(evt);
+       if (target.name === 'sort_on') {
+               this.fm.submitButton = {'name' : 'set_sorting', 'value' : 'ok'};
+               this.fm.submit(evt);
+       }

 };
 
 Lightbox.prototype.onBeforeSubmit = function(fm, evt) {
 };
 
 Lightbox.prototype.onBeforeSubmit = function(fm, evt) {


@@ -171,10 +228,13 @@ Lightbox.prototype.onResponseLoad = function(req) {
                case 'error' :
                        this.showSelection();
                        break;
                case 'error' :
                        this.showSelection();
                        break;

-        case 'sorted' :
-            this.fm.submitButton = undefined;
-            this.refreshGrid();
-            break;
+               case 'sorted' :
+                       this.fm.submitButton = undefined;
+                       this.refreshGrid();
+                       break;
+               default :
+                       this.fm.loadResponse(req);
+                       break;

        }
 };
 
        }
 };
 


@@ -237,7 +297,7 @@ Lightbox.prototype.deleteSelection = function() {
 };
 
 Lightbox.prototype._removeSelection = function() {
 };
 
 Lightbox.prototype._removeSelection = function() {

-       var i, e, slide;
+       var i, e;

        var toRemove = [];
        for (i=0 ; i<this.form.elements.length ; i++) {
                e = this.form.elements[i];
        var toRemove = [];
        for (i=0 ; i<this.form.elements.length ; i++) {
                e = this.form.elements[i];


@@ -246,10 +306,11 @@ Lightbox.prototype._removeSelection = function() {
                }
        }
        for (i=0 ; i<toRemove.length ; i++) {
                }
        }
        for (i=0 ; i<toRemove.length ; i++) {

-               slide = toRemove[i];
-               slide.parentNode.removeChild(slide);
+               this.grid.removeChild(toRemove[i]);

        }
        }

+       this._buildSlidesIndex();

        this.cbIndex = undefined;
        this.cbIndex = undefined;

+       this.windowScrollGridHandler();

 };
 
 Lightbox.prototype.getCBIndex = function(cb) {
 };
 
 Lightbox.prototype.getCBIndex = function(cb) {


@@ -257,14 +318,11 @@ Lightbox.prototype.getCBIndex = function(cb) {
                // build checkbox index
                this.cbIndex = [];
                var i, node, c;
                // build checkbox index
                this.cbIndex = [];
                var i, node, c;

-               var nodes = this.grid.childNodes;
-               for (i=0 ; i<nodes.length ; i++) {
-                       node = nodes[i];
-                       if (node.nodeName === 'SPAN') {
-                               c = node.getElementsByTagName('input')[0];
-                               c.index = this.cbIndex.length;
-                               this.cbIndex[this.cbIndex.length] = 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;
                }
        }
        return cb.index;


@@ -303,7 +361,7 @@ Lightbox.prototype.refreshGrid = function() {
                        case 4 :
                                hideProgressImage();
                                if (req.status === 200) {
                        case 4 :
                                hideProgressImage();
                                if (req.status === 200) {

-                                       self._refreshGrid(req)
+                                       self._refreshGrid(req);

                                }
                                break;
                }
                                }
                                break;
                }


@@ -311,23 +369,31 @@ Lightbox.prototype.refreshGrid = function() {
        
        var url = absolute_url() +
                          '/portfolio_thumbnails_tail?start:int=0&size:int=' +
        
        var url = absolute_url() +
                          '/portfolio_thumbnails_tail?start:int=0&size:int=' +

-                         this.grid.children.length;
+                         this.slides.length;

        req.open('GET', url, true);
        req.send();
 };
 
 Lightbox.prototype._refreshGrid = function(req) {
        req.open('GET', url, true);
        req.send();
 };
 
 Lightbox.prototype._refreshGrid = function(req) {

-    var doc = req.responseXML.documentElement;
-    var i;
-    var slides = this.grid.children;
-    for (i=0 ; i<doc.children.length ; i++) {
-        this.grid.replaceChild(getCopyOfNode(doc.children[i]), slides[i]);
-    }
+       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();
 };
 
 Lightbox.prototype.fetchTail = function() {
        var req = new XMLHttpRequest();

-       self = this;
+       var self = this;

        req.onreadystatechange = function() {
                switch (req.readyState) {
                        case 1 :
        req.onreadystatechange = function() {
                switch (req.readyState) {
                        case 1 :


@@ -336,7 +402,7 @@ Lightbox.prototype.fetchTail = function() {
                        case 4 :
                                hideProgressImage();
                                if (req.status === 200) {
                        case 4 :
                                hideProgressImage();
                                if (req.status === 200) {

-                                       self._appendTail(req)
+                                       self._appendTail(req);

                                }
                                break;
                }
                                }
                                break;
                }


@@ -344,19 +410,36 @@ Lightbox.prototype.fetchTail = function() {
        
        var url = absolute_url() +
                          '/portfolio_thumbnails_tail?start:int=' +
        
        var url = absolute_url() +
                          '/portfolio_thumbnails_tail?start:int=' +

-              String(this.grid.children.length + 1 ) +
-              '&size:int=10';
+                         String(this.slides.length) +
+                         '&size:int=10' +
+                         '&container_type=' +
+                         this.container_type;

        req.open('GET', url, true);
        req.send();
 };
 
 Lightbox.prototype._appendTail = function(req) {
        req.open('GET', url, true);
        req.send();
 };
 
 Lightbox.prototype._appendTail = function(req) {

-    var doc = req.responseXML.documentElement;
-    var i;
-    var slides = this.grid.children;
-    for (i=0 ; i<doc.children.length ; i++) {
-        this.grid.replaceChild(getCopyOfNode(doc.children[i]), slides[i]);
-    }
+       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();

 };
 
 
 };