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jQueryExtends.js
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jQueryExtends.js
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/**
* Initialize CSS hooks to patch broken -ms-transform, -ms-transform-origin properties
*/
(function($){
if ( !$.cssHooks ){
alert("jQuery 1.4.3+ is needed for this plugin to work");
return;
}
var div = document.createElement( "div" );
//-moz-transform-origin / -webkit-transform-origin / -ms-transform-origin
$.support.transformOrigin =
div.style.MozTransformOrigin === '' ? 'MozTransformOrigin' :
(div.style.WebkitTransformOrigin === '' ? 'WebkitTransformOrigin' :
(div.style.msTransformOrigin === '' ? 'msTransformOrigin' :
(div.style.transformOrigin === '' ? 'TransformOrigin' : false)));
if ( $.support.transformOrigin && $.support.transformOrigin !== "TransformOrigin" ){
$.cssHooks.transformOrigin = {
get: function( elem, computed, extra ) {
return $.css(elem, $.support.transformOrigin);
},
set: function( elem, value ) {
elem.style[$.support.transformOrigin] = value;
}
};
}
//-moz-transform / -webkit-transform / -ms-transform
$.support.transform =
div.style.MozTransform === '' ? 'MozTransform' :
(div.style.WebkitTransform === '' ? 'WebkitTransform' :
(div.style.msTransform === '' ? 'msTransform' :
(div.style.transform === '' ? 'Transform' : false)));
if ( $.support.transform && $.support.transform !== "Transform" ){
$.cssHooks.transform = {
get: function( elem, computed, extra ) {
return $.css(elem, $.support.transform);
},
set: function( elem, value ) {
elem.style[$.support.transform] = value;
}
};
}
div = null;
})(jQuery);
// Opa overload replacement
(function($){
var jq_bind = $.fn.bind;
var jq_unbind = $.fn.unbind;
var jq_keydown= $.fn.keydown;
var jq_keypress=$.fn.keypress;
$.fn.extend({
/**
* Behaves as jQuery [keydown] but attempts to normalize key repeat for exotic keys (e.g. arrow keys)
*
* Standard FF behavior: pressing an arrow key and letting it down first triggers a [keydown], then any number of *empty* [keypress], then a [keyup]
* Standard Safari/Chrome/Opera behavior: pressing an arrow key and letting it down triggers a [keydown], then additional [keydown], then a [keyup]
* This function (almost) convinces FF to have the same behavior as other navigators: note that we cannot completely suppress the empty [keypress]
*/
keydown:function(fn)
{
if(fn)
{
var me = this;
/**
* A function triggered on [keydown].
*
* Remember the latest [keydown] as [this._latest_keydown], then call [fn].
*/
var onkeydown = function(event)
{
me._latest_keydown = event.which;
me._trigger_keydown = false; // Flag to avoid triggering a second 'keydown' on the first keypress
return fn(event);
}
/**
* A function triggered on [keypress].
*
* If this [keypress] is empty and if we're between a [keydown] and a [keyup], then stop event and rather trigger a [keydown],
* with the key pressed during the latest [keydown].
*/
var onkeypress = function(event)
{
if((!event.which) && me._latest_keydown) //If there is no key, but we're between a keydown and a keyup, this is a FF bug/oddity
{
if(me._trigger_keydown) // Check if it's the first keypress in order to avoid multiple keydown triggering at once
{
event.type = "keydown";
event.which = me._latest_keydown; //...we're actually repeating a keydown as a keypress (it's a FF oddity)
event.stopPropagation();
return me.trigger(event);
} else {
me._trigger_keydown = true; // From now on, trigger the last keydown on each keypress
}
}
}
/**
* A function triggered on [keyup]
*
* Forget the latest [keydown]
*/
var onkeyup = function(event)
{
me._latest_keydown = null;
}
jq_bind.apply(this, ["keyup", onkeyup]);
jq_bind.apply(this, ["keypress", onkeypress]);
return jq_bind.apply(this, ["keydown", onkeydown]);
} else {
return this.trigger("keydown");
}
},
//On new line
newline:function(fn)
{
if(fn)
{
var f = function(event)
{
if(event.keyCode == 13)
{
return fn(event)
}
}
jq_bind.apply(this, ["keypress.newline", f]);
jq_bind.apply(this, ["newline", f]);
return this;
} else {
return this.trigger("newline");
}
},
//On "esc"
keyesc:function(fn)
{
if(fn)
{
var f = function(event)
{
if(event.keyCode == 27)
{
return fn(event)
}
}
jq_bind.apply(this, ["keypress.keyesc", f]);
jq_bind.apply(this, ["keyup.keyesc", f]);
jq_bind.apply(this, ["keydown.keyesc", f]);
jq_bind.apply(this, ["keyesc", f]);
return this;
} else {
return this.trigger("keyesc");
}
},
/**
* Chainable version of [opabind]
*/
opachbind:function(name, fn)
{
function f(e)
{
return fn(dom_event_to_opa_event(e))
}
return this.bind(name, f)
},
/**
* Bind an event handler to an event
*
* @param {string} name The name of the event (e.g. "click")
* @param {function(Object)} fn The event handler
* @param {function(Object)} prop_fun The event propagation handler
* @return {string} An abstract value which can be passed to [opaunbind] for unbinding at a later stage.
*/
opabind:function(name, fn, prop_fn, stop_propagation, prevent_default)
{
var ns = name + "." + Math.random()
function f(e)
{
if (prop_fn != null) {
var prop = prop_fn(dom_event_to_opa_event(e))
if (prop != null) {
if (prop.stop_propagation) e.stopPropagation()
if (prop.prevent_default) e.preventDefault()
}
}
return fn(dom_event_to_opa_event(e))
}
var g = stop_propagation?function(event) { event.stopPropagation(); f(event)}:f;
var h = prevent_default ?function(event) { event.preventDefault(); g(event)}:g;
this.special_bind(name, ns, h)
return ns
},
opaunbind:function(name, fn)
{
return this.unbind(name, fn)
},
special_bind:function(name, ns, fn, data)
{
switch(name)
{
case "keydown": return this.keydown(fn);
case "keydown.keyesc": return this.keyesc(fn);
case "keydown.newline": return this.newline(fn);
default: return jq_bind.apply(this, [ns, data, fn]);
}
},
bind:function(name, data, fn)
{
if ( arguments.length === 2 || data === false ) {
fn = data;
data = undefined;
}
return this.special_bind(name, name, fn, data);
},
unbind:function(name, fn)
{
switch(name)
{
case "keyesc":
jq_unbind.apply(this, [name, fn]);
jq_unbind.apply(this, ["keypress.keyesc", fn]);
jq_unbind.apply(this, ["keyup.keyesc", fn]);
jq_unbind.apply(this, ["keydown.keyesc", fn]);
return this;
break;
case "newline":
jq_unbind.apply(this, [name, fn]);
jq_unbind.apply(this, ["keypress.newline", fn]);
return this;
break;
default:
return jq_unbind.apply(this, [name, fn]);
}
},
opa_do_not_normalize: true//[jQuery] is a system object and should not be normalized by [normalize_obj]
}) })(jQuery);
/**
* {2 Conversion between JS events and OPA events}
*/
/**
* The representation of keypress [alt] in an event
*/
var shortcut_key_alt = make_simple_record("alt");
/**
* The representation of keypress [ctrl] in an event
*/
var shortcut_key_ctrl = make_simple_record("ctrl");
/**
* The representation of keypress [meta] in an event
*/
var shortcut_key_meta = make_simple_record("meta");
/**
* The representation of keypress [shift] in an event
*/
var shortcut_key_shift = make_simple_record("shift");
/**
* The representation of keypress [left] in an event
*/
var shortcut_button_left = make_simple_record("left");
/**
* The representation of keypress [middle] in an event
*/
var shortcut_button_middle = make_simple_record("middle");
/**
* The representation of keypress [right] in an event
*/
var shortcut_button_right = make_simple_record("right");
/**
* A hash-table for converting names of well-known events into the corresponding OPA data structure DOM.Event.kind
*/
var event_kind_table = {
click : make_simple_record("click"),
mouseup : make_simple_record("mouseup"),
mousedown : make_simple_record("mousedown"),
mouseover : make_simple_record("mouseover"),
mouseout : make_simple_record("mouseout"),
mousemove : make_simple_record("mousemove"),
mouseenter : make_simple_record("mouseenter"),
mouseleave : make_simple_record("mouseleave"),
dblclick : make_simple_record("dblclick"),
keypress : make_simple_record("keypress"),
keydown : make_simple_record("keydown"),
keyup : make_simple_record("keyup"),
load : make_simple_record("load"),
unload : make_simple_record("unload"),
error : make_simple_record("error"),
select : make_simple_record("select"),
submit : make_simple_record("submit"),
focus : make_simple_record("focus"),
blur : make_simple_record("blur"),
mousewheel : make_simple_record("mousewheel"),
scroll : make_simple_record("scroll"),
change : make_simple_record("change"),
resize : make_simple_record("resize"),
newline : make_simple_record("newline"),
keyesc : make_simple_record("keyesc")
}
event_kind_table["keydown.newline"] = event_kind_table.newline
event_kind_table["keydown.keyesc"] = event_kind_table.keyesc
/**
* A default event, substituted when receiving empty DOM events
* Beware, it is part of the JsInterface, which means that
* you cannot change its name.
* @jsinterface
*/
var default_opa_event =
normalize_obj(
{
kind: {custom : "none"},
mouse_position_on_page: {x_px: 0, y_px:0},
key_code: js_none,
mouse_button: js_none,
key_modifiers: {nil: js_void},
value_change: js_none
})
/**
* Convert a JS-level DOM event to a OPA representation.
*
* @param e A jQuery event
*/
function dom_event_to_opa_event(e)
{
var cons = empty_constructor();
if(e==null)//Special case, upon [onload]/[onready]
return default_opa_event;
//1. Handle mouse position
var page_x = e.pageX
var page_y = e.pageY
if(page_x==null) page_x = 0;
if(page_y==null) page_y = 0;
var mouse_position_on_page = normalize_obj({x_px: page_x, y_px: page_y});
add_field(cons, "mouse_position_on_page", mouse_position_on_page);
//2. Handle key and button pressed
var js_which = e.which;
//Here, we need to guess. We'll assume that keys 1-3 are mouse buttons, while other ones are keyboard events
//Yes, it's ugly.
var key_code;
var mouse_button;
if(isNaN(Number(js_which)) || js_which == null || js_which <= 0)
{
key_code = js_none;
mouse_button = null; //Note: We'll normalize this when we have checked if a wheelDelta is present
} else {
switch(js_which)
{
case 1:
key_code = js_none;
mouse_button = js_some(shortcut_button_left);
break;
case 2:
key_code = js_none;
mouse_button = js_some(shortcut_button_right);
break;
case 3:
key_code = js_none;
mouse_button = js_some(shortcut_button_middle);
break;
default:
key_code = js_some(js_which);
mouse_button = null;//Note: We'll normalize this when we have checked if a wheelDelta is present
}
}
if(mouse_button == null)
{
var delta = e.wheelDelta
var detail= Number(e.detail)
if(delta)
mouse_button = js_some(make_onefield_record("wheel", delta / 120))
else if (!isNaN(detail))
mouse_button = js_some(make_onefield_record("wheel", - detail / 3))
else
mouse_button = js_none;
}
add_field(cons, "key_code", key_code);
add_field(cons, "mouse_button", mouse_button);
//3. Handle key modifiers
var js_key_modifiers = [];
if(e.altKey) js_key_modifiers.push(shortcut_key_alt);
if(e.ctrlKey)js_key_modifiers.push(shortcut_key_ctrl);
if(e.metaKey)js_key_modifiers.push(shortcut_key_meta);
if(e.shiftKey)js_key_modifiers.push(shortcut_key_shift);
var key_modifiers = js2list(js_key_modifiers);
add_field(cons, "key_modifiers", key_modifiers);
//4. Handle value change
var js_old_value = e.prevValue;
var js_new_value = e.newValue;
if(js_old_value == null && js_new_value == null)
{
add_field(cons, "value_change", js_none);
} else {
js_old_value = ""+js_old_value;//Normalize, ensuring we never deal with a null string
js_new_value = ""+js_new_value;
var cons2 = empty_constructor();
add_field(cons2, "from", js_old_value);
add_field(cons2, "to", js_new_value);
add_field(cons, "value_change", js_some(make_record(cons2)));
}
//5. Handle event kind
var type = e.type;
var possible_kind = event_kind_table[type]
add_field(cons, "kind", possible_kind?possible_kind:make_onefield_record("custom", "none"));
//Return result
return make_record(cons);
}
/**
* Convert a OPA-level DOM event to a JS representation.
*
* @param {Object} event A OPA event
* @param {string} name The jQuery name of the event, as obtained from OPA module Dom.Event
* @return {jQuery.Event}
*/
function opa_event_to_dom_event(event, name)
{
var record = record2obj(event);
var result = new jQuery.Event(name) ;
//1. Handle mouse position
var mouse_position_on_page = record2obj(record.mouse_position_on_page);
result.pageX = mouse_position_on_page.x_px;
result.pageY = mouse_position_on_page.y_px;
//2. Handle key and button pressed
var key_code = record.key_code;
var mouse_button = record.mouse_button;
var some_keycode = udot(key_code, "some");
if(some_keycode == null)
{
var maybe_mb = record2obj(mouse_button);
if(maybe_mb.none)
result.which = null;
else
{
var some_mb = record2obj(maybe_mb.some);
//Only 4 possibilities
if(some_mb.left) result.which = 1;
else if(some_mb.middle) result.which = 3;
else if(some_mb.right) result.which = 2;
else if (some_mb.delta) {
var delta = some_mb.delta || 0;
result.wheelDelta = delta * 120;
result.detail = - delta * 3;
}
}
} else {
result.which = record2obj(key_code).some;
}
//3. Handle key modifiers
var js_key_modifiers = list2js(record.key_modifiers);
for(var i = 0, len = js_key_modifiers.length;
i < len;
++i)
{
switch(js_key_modifiers[i])
{
case "alt": result.altKey = true; break;
case "ctrl": result.ctrlKey = true; break;
case "meta": result.metaKey = true; break;
case "shift": result.shiftKey = true; break;
}
}
//4. Handle value change
var value_change = record.value_change;
if(value_change != null)
{
var change = option2js(value_change);
if (change != null && change.from && change.to) {
result.prevVal = change.from;
result.newVal = change.to;
}
}
return result;
}
/* Looks like it is not used anymore.
function tn_encaps(tn, fun){
var a = (new $(document.createElement('span')));
a.append(tn[0].data);
tn.myrplce(a);
var ret = fun(a);
a.myrplce(tn);
return ret;
}
*/
// jQuery Plugins
/*! Copyright (c) 2009 Brandon Aaron (http://brandonaaron.net)
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
* Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
* Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
*
* Version: 3.0.2
*
* Requires: 1.2.2+
*/
(function ($) {
var types = ['DOMMouseScroll', 'mousewheel'];
function handler (event) {
var args = [].slice.call(arguments, 1), delta = 0, returnValue = true;
event = jQuery.event.fix(event || window.event);
event.type = "mousewheel";
if (event.wheelDelta) delta = event.wheelDelta / 120;
if (event.detail) delta = - event.detail / 3;
args.unshift(event, delta);
event.wheelDelta = delta; // hack
return jQuery.event.handle.apply(this, args); }
jQuery.event.special.mousewheel = {
setup: function () {
if (this.addEventListener) for (var i = types.length; i; ) this.addEventListener(types[--i], handler, false);
else this.onmousewheel = handler; },
teardown: function () {
if (this.removeEventListener) for (var i = types.length; i; ) this.removeEventListener(types[--i], handler, false);
else this.onmousewheel = null; }};
$.fn.extend({
mousewheel: function (fn) { return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel"); },
unmousewheel: function (fn) { return this.unbind("mousewheel", fn); }});
})(jQuery);