var reSelected = /.*selected.*/;
-Lightbox = function(grid, toolbar) {
+Lightbox = function(grid, toolbar, complete) {
var self = this;
this.grid = grid;
+ this._buildSlidesIndex(); // set this.slides and this.lastSlide;
+ this.fetchingDisabled = false;
+ this.complete = complete;
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;
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);};
}
};
-Lightbox.prototype.windowScrollHandler = function(evt) {
- if (this.toolbar.offsetTop < window.scrollY && !this.toolbarFixed) {
+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 && window.scrollY < this.backThreshold) {
+ 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();
+ }
+};
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;
};
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) {
case 'error' :
this.showSelection();
break;
- case 'sorted' :
- this.fm.submitButton = undefined;
- this.refreshGrid();
- break;
+ case 'sorted' :
+ this.fm.submitButton = undefined;
+ this.refreshGrid();
+ break;
}
};
};
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];
}
}
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.windowScrollGridHandler();
};
Lightbox.prototype.getCBIndex = function(cb) {
// 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;
case 4 :
hideProgressImage();
if (req.status === 200) {
- self._refreshGrid(req)
+ self._refreshGrid(req);
}
break;
}
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) {
- 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.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';
+ 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.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();
};
projects / Portfolio.git / blobdiff