mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-09-30 21:29:23 +02:00
249 lines
7.4 KiB
JavaScript
Executable File
249 lines
7.4 KiB
JavaScript
Executable File
(function($) {
|
|
|
|
/** Taken from jQuery 1.5.2 for backwards compatibility */
|
|
if ($.support.changeBubbles == undefined) {
|
|
$.support.changeBubbles = true;
|
|
|
|
var el = document.createElement("div");
|
|
eventName = "onchange";
|
|
|
|
if (el.attachEvent) {
|
|
var isSupported = (eventName in el);
|
|
if (!isSupported) {
|
|
el.setAttribute(eventName, "return;");
|
|
isSupported = typeof el[eventName] === "function";
|
|
}
|
|
|
|
$.support.changeBubbles = isSupported;
|
|
}
|
|
}
|
|
|
|
/* Return true if node b is the same as, or is a descendant of, node a */
|
|
if (document.compareDocumentPosition) {
|
|
var is_or_contains = function(a, b) {
|
|
return a && b && (a == b || !!(a.compareDocumentPosition(b) & 16));
|
|
};
|
|
}
|
|
else {
|
|
var is_or_contains = function(a, b) {
|
|
return a && b && (a == b || (a.contains ? a.contains(b) : true));
|
|
};
|
|
}
|
|
|
|
/* Add the methods to handle event binding to the Namespace class */
|
|
$.entwine.Namespace.addMethods({
|
|
build_event_proxy: function(name) {
|
|
var one = this.one(name, 'func');
|
|
|
|
var prxy = function(e, data) {
|
|
// For events that do not bubble we manually trigger delegation (see delegate_submit below)
|
|
// If this event is a manual trigger, the event we actually want to bubble is attached as a property of the passed event
|
|
e = e.delegatedEvent || e;
|
|
|
|
var el = e.target;
|
|
while (el && el.nodeType == 1 && !e.isPropagationStopped()) {
|
|
var ret = one(el, arguments);
|
|
if (ret !== undefined) e.result = ret;
|
|
if (ret === false) { e.preventDefault(); e.stopPropagation(); }
|
|
|
|
el = el.parentNode;
|
|
}
|
|
};
|
|
|
|
return prxy;
|
|
},
|
|
|
|
build_mouseenterleave_proxy: function(name) {
|
|
var one = this.one(name, 'func');
|
|
|
|
var prxy = function(e) {
|
|
var el = e.target;
|
|
var rel = e.relatedTarget;
|
|
|
|
while (el && el.nodeType == 1 && !e.isPropagationStopped()) {
|
|
/* We know el contained target. If it also contains relatedTarget then we didn't mouseenter / leave. What's more, every ancestor will also
|
|
contan el and rel, and so we can just stop bubbling */
|
|
if (is_or_contains(el, rel)) break;
|
|
|
|
var ret = one(el, arguments);
|
|
if (ret !== undefined) e.result = ret;
|
|
if (ret === false) { e.preventDefault(); e.stopPropagation(); }
|
|
|
|
el = el.parentNode;
|
|
}
|
|
};
|
|
|
|
return prxy;
|
|
},
|
|
|
|
build_change_proxy: function(name) {
|
|
var one = this.one(name, 'func');
|
|
|
|
/*
|
|
This change bubble emulation code is taken mostly from jQuery 1.6 - unfortunately we can't easily reuse any of
|
|
it without duplication, so we'll have to re-migrate any bugfixes
|
|
*/
|
|
|
|
// Get the value of an item. Isn't supposed to be interpretable, just stable for some value, and different
|
|
// once the value changes
|
|
var getVal = function( elem ) {
|
|
var type = elem.type, val = elem.value;
|
|
|
|
if (type === "radio" || type === "checkbox") {
|
|
val = elem.checked;
|
|
}
|
|
else if (type === "select-multiple") {
|
|
val = "";
|
|
if (elem.selectedIndex > -1) {
|
|
val = jQuery.map(elem.options, function(elem){ return elem.selected; }).join("-");
|
|
}
|
|
}
|
|
else if (jQuery.nodeName(elem, "select")) {
|
|
val = elem.selectedIndex;
|
|
}
|
|
|
|
return val;
|
|
};
|
|
|
|
// Test if a node name is a form input
|
|
var rformElems = /^(?:textarea|input|select)$/i;
|
|
|
|
// Check if this event is a change, and bubble the change event if it is
|
|
var testChange = function(e) {
|
|
var elem = e.target, data, val;
|
|
|
|
if (!rformElems.test(elem.nodeName) || elem.readOnly) return;
|
|
|
|
data = jQuery.data(elem, "_entwine_change_data");
|
|
val = getVal(elem);
|
|
|
|
// the current data will be also retrieved by beforeactivate
|
|
if (e.type !== "focusout" || elem.type !== "radio") {
|
|
jQuery.data(elem, "_entwine_change_data", val);
|
|
}
|
|
|
|
if (data === undefined || val === data) return;
|
|
|
|
if (data != null || val) {
|
|
e.type = "change";
|
|
|
|
while (elem && elem.nodeType == 1 && !e.isPropagationStopped()) {
|
|
var ret = one(elem, arguments);
|
|
if (ret !== undefined) e.result = ret;
|
|
if (ret === false) { e.preventDefault(); e.stopPropagation(); }
|
|
|
|
elem = elem.parentNode;
|
|
}
|
|
}
|
|
};
|
|
|
|
// The actual proxy - responds to several events, some of which triger a change check, some
|
|
// of which just store the value for future change checks
|
|
var prxy = function(e) {
|
|
var event = e.type, elem = e.target, type = jQuery.nodeName( elem, "input" ) ? elem.type : "";
|
|
|
|
switch (event) {
|
|
case 'focusout':
|
|
case 'beforedeactivate':
|
|
testChange.apply(this, arguments);
|
|
break;
|
|
|
|
case 'click':
|
|
if ( type === "radio" || type === "checkbox" || jQuery.nodeName( elem, "select" ) ) {
|
|
testChange.apply(this, arguments);
|
|
}
|
|
break;
|
|
|
|
// Change has to be called before submit
|
|
// Keydown will be called before keypress, which is used in submit-event delegation
|
|
case 'keydown':
|
|
if (
|
|
(e.keyCode === 13 && !jQuery.nodeName( elem, "textarea" ) ) ||
|
|
(e.keyCode === 32 && (type === "checkbox" || type === "radio")) ||
|
|
type === "select-multiple"
|
|
) {
|
|
testChange.apply(this, arguments);
|
|
}
|
|
break;
|
|
|
|
// Beforeactivate happens also before the previous element is blurred
|
|
// with this event you can't trigger a change event, but you can store
|
|
// information
|
|
case 'focusin':
|
|
case 'beforeactivate':
|
|
jQuery.data( elem, "_entwine_change_data", getVal(elem) );
|
|
break;
|
|
}
|
|
}
|
|
|
|
return prxy;
|
|
},
|
|
|
|
bind_event: function(selector, name, func, event) {
|
|
var funcs = this.store[name] || (this.store[name] = $.entwine.RuleList()) ;
|
|
var proxies = funcs.proxies || (funcs.proxies = {});
|
|
|
|
var rule = funcs.addRule(selector, name); rule.func = func;
|
|
|
|
if (!proxies[name]) {
|
|
switch (name) {
|
|
case 'onmouseenter':
|
|
proxies[name] = this.build_mouseenterleave_proxy(name);
|
|
event = 'mouseover';
|
|
break;
|
|
case 'onmouseleave':
|
|
proxies[name] = this.build_mouseenterleave_proxy(name);
|
|
event = 'mouseout';
|
|
break;
|
|
case 'onchange':
|
|
if (!$.support.changeBubbles) {
|
|
proxies[name] = this.build_change_proxy(name);
|
|
event = 'click keydown focusin focusout beforeactivate beforedeactivate';
|
|
}
|
|
break;
|
|
case 'onsubmit':
|
|
event = 'delegatedSubmit';
|
|
break;
|
|
case 'onfocus':
|
|
case 'onblur':
|
|
$.entwine.warn('Event '+event+' not supported - using focusin / focusout instead', $.entwine.WARN_LEVEL_IMPORTANT);
|
|
}
|
|
|
|
// If none of the special handlers created a proxy, use the generic proxy
|
|
if (!proxies[name]) proxies[name] = this.build_event_proxy(name);
|
|
|
|
$(document).bind(event.replace(/(\s+|$)/g, '.entwine$1'), proxies[name]);
|
|
}
|
|
}
|
|
});
|
|
|
|
$.entwine.Namespace.addHandler({
|
|
order: 40,
|
|
|
|
bind: function(selector, k, v){
|
|
var match, event;
|
|
if ($.isFunction(v) && (match = k.match(/^on(.*)/))) {
|
|
event = match[1];
|
|
this.bind_event(selector, k, v, event);
|
|
return true;
|
|
}
|
|
}
|
|
});
|
|
|
|
// Find all forms and bind onsubmit to trigger on the document too.
|
|
// This is the only event that can't be grabbed via delegation
|
|
|
|
var delegate_submit = function(e, data){
|
|
var delegationEvent = $.Event('delegatedSubmit'); delegationEvent.delegatedEvent = e;
|
|
return $(document).trigger(delegationEvent, data);
|
|
};
|
|
|
|
$(document).bind('EntwineElementsAdded', function(e){
|
|
var forms = $(e.targets).filter('form');
|
|
if (!forms.length) return;
|
|
|
|
forms.bind('submit.entwine_delegate_submit', delegate_submit);
|
|
});
|
|
|
|
})(jQuery);
|
|
|