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/*
* Copyright (c) 2012-2014 Kaarle Ritvanen
* See LICENSE file for license details
*/
define(["acf2/dom", "jquery", "underscore"], function(dom, $, _) {
return {
extend: function(spec) {
var res = Object.create(this);
for (key in spec) res[key] = spec[key];
res.base = this;
return res;
},
super: function() {
var args = _.toArray(arguments);
var cls = args.shift();
var key = args.shift();
return cls.base[key].apply(this, args);
},
new: function(data, name, meta, level, editable, removable) {
return Object.create(this).init(
data, name, meta, level, editable, removable
);
},
init: function(data, name, meta, level, editable, removable) {
this.data = data;
this.name = name;
this.meta = meta;
this.level = level;
var value = data.get(name);
var status = data.status(name);
if (!editable || !meta.editable) {
var el = this.staticRender(value, meta);
if (el) {
dom.setStatus(el, status);
return el;
}
}
this.makeEl();
this.dynamic = meta.dynamic;
var self = this;
var request;
function handleRequest(req) {
request = req;
req.done(function(value, meta) {
if (req != request) return;
self.render(value, meta);
self.setStatus(status);
});
}
this.wrapped = this.wrap();
this.visible = true;
if (removable) {
var link = dom.href().click(function() {
data.delete(name).done(function(txnValid) {
$("#content").trigger("reload", [txnValid]);
})
}).text("Delete");
this.wrapped = dom.makeRow(this.wrapped);
if (this.wrapped.is("tr")) link = $("<td>").html(link);
this.wrapped.append(link);
}
handleRequest(this.requestData(value, meta));
function validate() {
request.done(function(value) {
self.validate(value);
});
}
this.wrapped.on("start", function(event) {
if (data.status(name) == "invalid") validate();
else self.setVisible();
event.stopPropagation();
});
this.wrapped.on("updated", function(event, field) {
if (self.dynamic) handleRequest(self.refreshData());
if (!field ||
self.dynamic ||
(meta.condition && field in meta.condition))
validate();
event.stopPropagation();
});
return this.wrapped;
},
makeEl: function() { this.el = this.createEl(); },
requestData: function(value, meta) {
return $.Deferred().resolve(value, meta);
},
refreshData: function() {
var def = $.Deferred();
var self = this;
this.data.metaRequest(this.name).done(function(data) {
def.resolve(self.get(), data);
});
return def;
},
wrap: function() { return this.el; },
showStatus: true,
setStatus: function(status) {
if (this.el && this.showStatus)
dom.setStatus(this.statusEl(), status);
},
statusEl: function() { return this.el; },
setVisible: function() {
this.visible = this.data.match(this.meta.condition);
if (this.wrapped)
this.wrapped.trigger("setVisible", [this.visible]);
},
validate: function(value) { this.setVisible(); }
};
});
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