var SlidingTabs = new Class({
options: {
startingSide: false,
activeButtonClass: 'active',
activationEvent: 'click',
wrap: true,
slideEffect: {
duration: 400 //
}
},
current: null,
buttons: false,
outerSlidesBox: null,
innerSlidesBox: null,
panes: null,
fx: null,
initialize: function(tabsContainer, slideContainer, numbers, nextButton, prevButton, options) {
if (tabsContainer) {this.buttons = $(tabsContainer).getElements('h2 a');}
this.outerSlidesBox = $(slideContainer);
this.innerSlidesBox = this.outerSlidesBox.getFirst();
this.panes = this.innerSlidesBox.getChildren();
if(numbers) this.slideNumbers = $(numbers);
this.setOptions(options);
this.fx = new Fx.Scroll(this.outerSlidesBox, this.options.slideEffect);
// set up button highlight
this.current = this.options.startingSlide ? this.panes.indexOf($(this.options.startingSlide)) : 0;
if (this.buttons) { this.buttons[this.current].addClass(this.options.activeButtonClass); }
// add needed stylings
this.outerSlidesBox.setStyle('overflow', 'hidden');
this.panes.each(function(pane, index) {
pane.setStyles({
'float': 'left',
'width': this.outerSlidesBox.getStyle('width'),
'overflow': 'hidden',
'display':'block'
});
}.bind(this));
// stupidness to make IE work - it boggles the mind why this has any effect
// maybe it's something to do with giving it layout?
this.innerSlidesBox.setStyle('float', 'left');
this.innerSlidesBox.setStyle(
'width', (this.outerSlidesBox.offsetWidth.toInt() * this.panes.length) + 'px'
);
if (this.options.startingSlide) this.fx.toElement(this.options.startingSlide);
// add events to the buttons
if (this.buttons) this.buttons.each( function(button) {
button.addEvent(this.options.activationEvent, this.buttonEventHandler.bindWithEvent(this, button));
}.bind(this));
if (nextButton) $(nextButton).addEvent('click', this.previous.bindWithEvent(this));
if (prevButton) $(prevButton).addEvent('click', this.next.bindWithEvent(this));
if (this.slideNumbers) this.slideNumbers.setHTML(this.convertToFarsi(this .current.toInt()+1) + '/' + this.convertToFarsi(this.panes.length.toInt()));
},
changeTo: function(element) {
var event = { cancel: false, target: $(element) };
this.fireEvent('change', event);
if (event.cancel == true) { return; };
if (this.buttons) { this.buttons[this.current].removeClass(this.options.activeButtonClass); };
this.current = this.panes.indexOf($(event.target));
if (this.buttons) { this.buttons[this.current].addClass(this.options.activeButtonClass); };
this.fx.stop();
this.fx.toElement(event.target);
if (this.slideNumbers) this.slideNumbers.setHTML(this.convertToFarsi(this .current.toInt()+1) + '/' + this.convertToFarsi(this.panes.length.toInt()));
},
// Handles a click
buttonEventHandler: function(event, button) {
event.stop();
if (event.target == this.buttons[this.current]) return;
this.changeTo(this.panes[this.buttons.indexOf($(button))]);
},
convertToFarsi: function(str) {
var output = '';
var c;
var numbers = ['۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹'];
var str = str.toString();
for(var i=0; i < str.length; i++) {
c = str.charCodeAt(i);
if(c >= 48 && c <= 57) {
output += numbers[c - 48];
} else {
output += String.fromCharCode(c);
}
}
return output;
},
next: function(evt) {
evt.stop();
var next = this.current + 1;
if (next == this.panes.length) {
if (this.options.wrap == true) { next = 0 } else { return }
}
this.changeTo(this.panes[next]);
},
previous: function(evt) {
evt.stop();
var prev = this.current - 1
if (prev < 0) {
if (this.options.wrap == true) { prev = this.panes.length - 1 } else { return }
}
this.changeTo(this.panes[prev]);
}
});
SlidingTabs.implement(new Options, new Events);
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