com.googlecode.wicketslides.scripts.ReMooz.js Maven / Gradle / Ivy
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/**
* ReMooz - Zoomer
*
* Inspired by so many boxes and zooms
*
* @version 1.0
*
* @license MIT-style license
* @author Harald Kirschner
* @copyright Author
*/
var ReMooz = new Class({
Implements: [Events, Options, Chain],
options: {
link: null,
type: 'image',
container: null,
className: null,
centered: false,
dragging: true,
closeOnClick: true,
shadow: (Browser.Engine.trident) ? 'onOpenEnd' : 'onOpen', // performance
resize: true,
margin: 20,
resizeFactor: 0.95,
resizeLimit: false, // {x: 640, y: 640}
fixedSize: false,
cutOut: true,
addClick: true,
opacityLoad: 0.6,
opacityResize: 1,
opacityTitle: 0.9,
resizeOptions: {},
fxOptions: {},
closer: true,
parse: false, // 'rel'
parseSecure: false,
temporary: false,
onBuild: $empty,
onLoad: $empty,
onOpen: $empty,
onOpenEnd: $empty,
onClose: $empty,
onCloseEnd: $empty,
generateTitle: function(el) {
var text = el.get('title');
if (!text) return false;
var title = text.split(' :: ');
var head = new Element('h6', {'html': title[0]});
return (title[1]) ? [head, new Element('p', {'html': title[1]})] : head;
}
},
initialize: function(element, options) {
this.element = $(element);
this.setOptions(options);
if (this.options.parse) {
var obj = this.element.getProperty(this.options.parse);
if (obj && (obj = JSON.decode(obj, this.options.parseSecure))) this.setOptions(obj);
}
var origin = this.options.origin;
this.origin = ((origin) ? $(origin) || this.element.getElement(origin) : null) || this.element;
this.link = this.options.link || this.element.get('href') || this.element.get('src');
this.container = $(this.options.container) || this.element.getDocument();
this.bound = {
'click': function(e) {
this.open.delay(1, this);
return false;
}.bind(this),
'close': this.close.bind(this),
'dragClose': function(e) {
if (e.rightClick) return;
this.close();
}.bind(this)
};
if (this.options.addClick) this.bindToElement();
},
destroy: function() {
if (this.box) this.box.destroy();
this.box = this.tweens = this.body = this.content = null;
},
bindToElement: function(element) {
($(element) || this.element).addClass('remooz-element').addEvent('click', this.bound.click);
return this;
},
getOriginCoordinates: function() {
var coords = this.origin.getCoordinates();
delete coords.right;
delete coords.bottom;
return coords;
},
open: function(e) {
if (this.opened) return (e) ? this.close() : this;
this.opened = this.loading = true;
if (!this.box) this.build();
this.coords = this.getOriginCoordinates();
this.coords.opacity = this.options.opacityLoad;
this.coords.display = '';
this.tweens.box.set(this.coords);
this.box.addClass('remooz-loading');
ReMooz.open(this.fireEvent('onLoad'));
this['open' + this.options.type.capitalize()]();
return this;
},
finishOpen: function() {
this.tweens.fade.start(0, 1);
this.drag.attach();
this.fireEvent('onOpenEnd').callChain();
},
close: function() {
if (!this.opened) return this;
this.opened = false;
ReMooz.close(this.fireEvent('onClose'));
if (this.loading) {
this.box.setStyle('display', 'none');
return this;
}
this.drag.detach();
this.tweens.fade.cancel().set(0).fireEvent('onComplete');
if (this.tweens.box.timer) this.tweens.box.clearChain();
var vars = this.getOriginCoordinates();
if (this.options.opacityResize != 1) vars.opacity = this.options.opacityResize;
this.tweens.box.start(vars).chain(this.closeEnd.bind(this));
return this;
},
closeEnd: function() {
if (this.options.cutOut) this.element.setStyle('visibility', 'visible');
this.box.setStyle('display', 'none');
this.fireEvent('onCloseEnd').callChain();
if (this.options.temporary) this.destroy();
},
openImage: function() {
var tmp = new Image();
tmp.onload = tmp.onabort = tmp.onerror = function(fast) {
this.loading = tmp.onload = tmp.onabort = tmp.onerror = null;
if (!tmp.width || !this.opened) {
this.fireEvent('onError').close();
return;
}
var to = {x: tmp.width, y: tmp.height};
if (!this.content) this.content = $(tmp).inject(this.body);
else tmp = null;
this[(this.options.resize) ? 'zoomRelativeTo' : 'zoomTo'].create({
'delay': (tmp && fast !== true) ? 1 : null,
'arguments': [to],
'bind': this
})();
}.bind(this);
tmp.src = this.link;
if (tmp && tmp.complete && tmp.onload) tmp.onload(true);
},
/**
* @todo Test implementation
*/
openElement: function() {
this.content = this.content || $(this.link) || $E(this.link);
if (!this.content) {
this.fireEvent('onError').close();
return;
}
this.content.inject(this.body);
this.zoomTo({x: this.content.scrollWidth, y: this.content.scrollHeight});
},
zoomRelativeTo: function(to) {
var scale = this.options.resizeLimit;
if (!scale) {
scale = this.container.getSize();
scale.x *= this.options.resizeFactor;
scale.y *= this.options.resizeFactor;
}
for (var i = 2; i--;) {
if (to.x > scale.x) {
to.y *= scale.x / to.x;
to.x = scale.x;
} else if (to.y > scale.y) {
to.x *= scale.y / to.y;
to.y = scale.y;
}
}
return this.zoomTo({x: to.x.toInt(), y: to.y.toInt()});
},
zoomTo: function(to) {
to = this.options.fixedSize || to;
var box = this.container.getSize(), scroll = this.container.getScroll();
var pos = (!this.options.centered) ? {
x: (this.coords.left + (this.coords.width / 2) - to.x / 2).toInt()
.limit(scroll.x + this.options.margin, scroll.x + box.x - this.options.margin - to.x),
y: (this.coords.top + (this.coords.height / 2) - to.y / 2).toInt()
.limit(scroll.y + this.options.margin, scroll.y + box.y - this.options.margin - to.y)
} : {
x: scroll.x + ((box.x - to.x) / 2).toInt(),
y: scroll.y + ((box.y - to.y) / 2).toInt()
};
if (this.options.cutOut) this.element.setStyle('visibility', 'hidden');
this.box.removeClass('remooz-loading');
var vars = {left: pos.x, top: pos.y, width: to.x, height: to.y};
if (this.options.opacityResize != 1) vars.opacity = [this.options.opacityResize, 1];
else this.box.set('opacity', 1);
this.tweens.box.start(vars).chain(this.finishOpen.bind(this));
this.fireEvent('onOpen');
},
build: function() {
this.addEvent('onBlur', function() {
this.focused = false;
this.box.removeClass('remooz-box-focus').setStyle('z-index', ReMooz.options.zIndex);
}, true);
this.addEvent('onFocus', function() {
this.focused = true;
this.box.addClass('remooz-box-focus').setStyle('z-index', ReMooz.options.zIndexFocus);
}, true);
var classes = ['remooz-box', 'remooz-type-' + this.options.type, 'remooz-engine-' + Browser.Engine.name + Browser.Engine.version];
if (this.options.className) classes.push(this.options.className);
this.box = new Element('div', {
'class': classes.join(' '),
'styles': {
'display': 'none',
'top': 0,
'left': 0,
'zIndex': ReMooz.options.zIndex
}
});
this.tweens = {
'box': new Fx.Morph(this.box, $merge({
'duration': 400,
'unit': 'px',
'transition': Fx.Transitions.Quart.easeOut,
'chain': 'cancel'
}, this.options.resizeOptions)
),
'fade': new Fx.Tween(null, $merge({
'property': 'opacity',
'duration': (Browser.Engine.trident) ? 0 : 300,
'chain': 'cancel'
}, this.options.fxOptions)).addEvents({
'onComplete': function() {
if (!this.element.get('opacity')) this.element.setStyle('display', 'none');
},
'onStart': function() {
if (!this.element.get('opacity')) this.element.setStyle('display', '');
}
}
)
};
this.tweens.fade.element = $$();
if (this.options.shadow) {
if (Browser.Engine.webkit420) {
this.box.setStyle('-webkit-box-shadow', '0 0 10px rgba(0, 0, 0, 0.7)');
} else if (!Browser.Engine.trident4) {
var shadow = new Element('div', {'class': 'remooz-bg-wrap'}).inject(this.box);
['n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw'].each(function(dir) {
new Element('div', {'class': 'remooz-bg remooz-bg-' + dir}).inject(shadow);
});
this.tweens.bg = new Fx.Tween(shadow, {
'property': 'opacity',
'chain': 'cancel'
}).set(0);
this.addEvent(this.options.shadow, this.tweens.bg.set.bind(this.tweens.bg, 1), true);
this.addEvent('onClose', this.tweens.bg.set.bind(this.tweens.bg, 0), true);
}
}
if (this.options.closer) {
var closer = new Element('a', {
'class': 'remooz-btn-close',
'events': {'click': this.bound.close}
}).inject(this.box);
this.tweens.fade.element.push(closer);
}
this.body = new Element('div', {'class': 'remooz-body'}).inject(this.box);
var title = this.options.title || this.options.generateTitle.call(this, this.element);
if (title) { // thx ie6
var title = new Element('div', {'class': 'remooz-title'}).adopt(
new Element('div', {'class': 'remooz-title-bg', 'opacity': this.options.opacityTitle}),
new Element('div', {'class': 'remooz-title-content'}).adopt(title)
).inject(this.box);
this.tweens.fade.element.push(title);
}
this.tweens.fade.set(0).fireEvent('onComplete');
this.drag = new Drag.Move(this.box, {
'snap': 15,
'preventDefault': true,
'onBeforeStart': function() {
if (!this.focused && !this.loading) ReMooz.focus(this);
else if (this.loading || this.options.closeOnClick) this.box.addEvent('mouseup', this.bound.dragClose);
}.bind(this),
'onSnap': function() {
this.box.removeEvent('mouseup', this.bound.dragClose);
if (!this.options.dragging) this.drag.stop();
else this.box.addClass('remooz-box-dragging');
}.bind(this),
'onComplete': function() {
this.box.removeClass('remooz-box-dragging');
}.bind(this)
});
this.drag.detach();
this.fireEvent('onBuild', this.box, this.element);
this.box.inject(this.element.getDocument().body);
}
});
ReMooz.factory = function(extended) {
return $extend(this, extended);
};
ReMooz.factory(new Options).factory({
options: {
zIndex: 41,
zIndexFocus: 42,
query: 'a.remooz',
modal: false
},
assign: function(elements, options) {
return $$(elements).map(function(element) {
return new ReMooz(element, options);
}, this);
},
stack: [],
open: function(obj) {
var last = this.stack.getLast();
this.focus(obj);
if (last && this.options.modal) last.close();
},
close: function(obj) {
var length = this.stack.length - 1;
if (length > 1 && this.stack[length] == obj) this.focus(this.stack[length - 1]);
this.stack.erase(obj);
},
focus: function(obj) {
var last = this.stack.getLast();
obj.fireEvent('onFocus', [obj]);
if (last == obj) return;
if (last) last.fireEvent('onBlur', [last]);
this.stack.erase(obj).push(obj);
}
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