jrails.js
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/*
*
* jRails ajax extras
* version 0.1
* <aaron@ennerchi.com> | http://www.ennerchi.com
*
*/
(function($) {
// reset a form
$.fn.reset = function() {
return this.each(function() {
// guard against an input with the name of 'reset'
// note that IE reports the reset function as an 'object'
if (typeof this.reset == 'function' || (typeof this.reset == 'object' && !this.reset.nodeType))
this.reset();
});
};
// enable a form element
$.fn.enable = function() {
return this.each(function() {
this.disabled = false;
});
};
// disable a form element
$.fn.disable = function() {
return this.each(function() {
this.disabled = true;
});
};
})(jQuery);
/*
*
* jRails form observer plugin
* version 0.2
* <aaron@ennerchi.com> | http://www.ennerchi.com
*
*/
(function($) {
$.extend({ // Translate field to event
fieldEvent: function(el, obs) {
var field = el[0] || el, e = 'change';
if (field.type == 'radio' || field.type == 'checkbox') e = 'click';
else if (obs && (field.type == 'text' || field.type == 'textarea' || field.type == 'password')) e = 'keyup';
return e;
}
});
$.fn.extend({ // Delayed observer for fields and forms
delayedObserver: function(delay, callback){
var el = $(this);
if (el.length == 0) return;
if (typeof window.delayedObserverStack == 'undefined') window.delayedObserverStack = [];
if (typeof window.delayedObserverCallback == 'undefined') {
window.delayedObserverCallback = function(stackPos) {
var observed = window.delayedObserverStack[stackPos];
if (observed.timer) clearTimeout(observed.timer);
observed.timer = setTimeout(function(){
observed.timer = null;
observed.callback(observed.obj, observed.obj.formVal());
}, observed.delay * 1000);
observed.oldVal = observed.obj.formVal();
};
}
window.delayedObserverStack.push({
obj: el, timer: null, delay: delay,
oldVal: el.formVal(), callback: callback
});
var stackPos = window.delayedObserverStack.length-1;
if (el[0].tagName == 'FORM') {
$(':input', el).each(function(){
var field = $(this);
field.bind($.fieldEvent(field, delay), function(){
var observed = window.delayedObserverStack[stackPos];
if (observed.obj.formVal() == observed.oldVal) return;
else window.delayedObserverCallback(stackPos);
});
});
} else {
el.bind($.fieldEvent(el, delay), function(){
var observed = window.delayedObserverStack[stackPos];
if (observed.obj.formVal() == observed.oldVal) return;
else window.delayedObserverCallback(stackPos);
});
};
},
formVal: function() { // Gets form values
var el = this[0];
if(el.tagName == 'FORM') return this.serialize();
if(el.type == 'checkbox' || el.type == 'radio') return this.filter('input:checked').val() || '';
else return this.val();
}
});
})(jQuery);
/*
*
* jRails visual effects stubs
* version 0.2
* <aaron@ennerchi.com> | http://www.ennerchi.com
*
*/
(function($) {
$.fn.extend({
visualEffect : function(o, options) {
if (options) {
speed = options.duration * 1000;
} else {
speed = null;
}
e = o.replace(/\_(.)/g, function(m, l){return l.toUpperCase()});
return eval('$(this).'+e+'('+ speed + ')');
},
appear : function(speed, callback) {
return this.fadeIn(speed, callback);
},
blindDown : function(speed, callback) {
return this.show('blind', { direction: 'vertical' }, speed, callback);
},
blindUp : function(speed, callback) {
return this.hide('blind', { direction: 'vertical' }, speed, callback);
},
blindRight : function(speed, callback) {
return this.show('blind', { direction: 'horizontal' }, speed, callback);
},
blindLeft : function(speed, callback) {
this.hide('blind', { direction: 'horizontal' }, speed, callback);
return this;
},
dropOut : function(speed, callback) {
return this.hide('drop', {direction: 'down' }, speed, callback);
},
dropIn : function(speed, callback) {
return this.show('drop', { direction: 'up' }, speed, callback);
},
fade : function(speed, callback) {
return this.fadeOut(speed, callback);
},
fadeToggle : function(speed, callback) {
return this.animate({opacity: 'toggle'}, speed, callback);
},
fold : function(speed, callback) {
return this.hide('fold', {}, speed, callback);
},
foldOut : function(speed, callback) {
return this.show('fold', {}, speed, callback);
},
grow : function(speed, callback) {
return this.show('scale', {}, speed, callback);
},
highlight : function(speed, callback) {
return this.show('highlight', {}, speed, callback);
},
puff : function(speed, callback) {
return this.hide('puff', {}, speed, callback);
},
pulsate : function(speed, callback) {
return this.show('pulsate', {}, speed, callback);
},
shake : function(speed, callback) {
return this.show('shake', {}, speed, callback);
},
shrink : function(speed, callback) {
return this.hide('scale', {}, speed, callback);
},
squish : function(speed, callback) {
return this.hide('scale', { origin: ['top', 'left'] }, speed, callback);
},
slideUp : function(speed, callback) {
return this.hide('slide', { direction: 'up'}, speed, callback);
},
slideDown : function(speed, callback) {
return this.show('slide', { direction: 'up'}, speed, callback);
},
switchOff : function(speed, callback) {
return this.hide('clip', {}, speed, callback);
},
switchOn : function(speed, callback) {
return this.show('clip', {}, speed, callback);
}
});
})(jQuery);