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Moved basic functions of 'Class' from the 'add*Functions' functions to Class.prototype

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This commit is contained in:
Andreas Stöckel 2011-08-12 15:35:27 +00:00
parent 89230b86cf
commit 8a420df721
1 changed files with 110 additions and 104 deletions
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214
etemplate/js/et2_inheritance.js
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@ -119,33 +119,6 @@
{
prototype["_ifacefuncs"].push(ifaces[i]);
}
// The implements function can be used to check whether the object
// implements the given interface.
prototype["implements"] = function(_iface) {
for (var key in _iface)
{
if (this._ifacefuncs.indexOf(key) < 0)
{
return false;
}
}
return true;
}
// The instanceOf function can be used to check for both - classes and
// interfaces. Please don't change the case of this function as this
// affects IE and Opera support.
prototype["instanceOf"] = function(_obj) {
if (_obj instanceof Interface)
{
return this.implements(_obj);
}
else
{
return this instanceof _obj;
}
}
};
function addAttributeFunctions(prototype, _super)
@ -200,82 +173,6 @@
}
prototype.attributes = attributes;
/**
* The initAttributes function sets the attributes to their default
* values. The attributes are not overwritten, which means, that the
* default is only set, if either a setter exists or this[propName] does
* not exist yet.
*/
prototype.initAttributes = function() {
for (var key in this.attributes)
{
if (!this.attributes[key].ignore && this.attributes[key]["default"] !== et2_no_init)
{
this.setAttribute(key, this.attributes[key]["default"],
false);
}
}
this._attrsInitialized = true;
}
/**
* The setAttribute function sets the attribute with the given name to
* the given value. _override defines, whether this[_name] will be set,
* if this key already exists. _override defaults to true. A warning
* is issued if the attribute does not exist.
*/
prototype.setAttribute = function(_name, _value, _override) {
if (typeof this.attributes[_name] != "undefined")
{
if (!this.attributes[_name].ignore)
{
if (typeof _override == "undefined")
{
_override = true;
}
var val = et2_checkType(_value, this.attributes[_name].type);
if (typeof this["set_" + _name] == "function")
{
this["set_" + _name](val);
}
else if (_override || typeof this[_name] == "undefined")
{
this[_name] = val;
}
}
}
else
{
et2_debug("warn", "Attribute '" + _name + "' does not exist!");
}
}
/**
* Returns the value of the given attribute. If the property does not
* exist, an error message is issued.
*/
prototype.getAttribute = function(_name) {
if (typeof this.attributes[_name] != "undefined" &&
!this.attributes[_name].ignore)
{
if (typeof this["get_" + _name] == "function")
{
return this["get_" + _name]();
}
else
{
return this[_name];
}
}
else
{
et2_error("error", "Attribute '" + _name + "' does not exist!");
}
}
};
function classExtend(interfaces, prop) {
@ -394,7 +291,116 @@
Class.extend = classExtend;
// The base class has no attributes
Class.attributes = {};
Class.prototype.attributes = {};
// Add the basic functions
/**
* Returns the value of the given attribute. If the property does not
* exist, an error message is issued.
*/
Class.prototype.getAttribute = function(_name) {
if (typeof this.attributes[_name] != "undefined" &&
!this.attributes[_name].ignore)
{
if (typeof this["get_" + _name] == "function")
{
return this["get_" + _name]();
}
else
{
return this[_name];
}
}
else
{
et2_error("error", "Attribute '" + _name + "' does not exist!");
}
}
/**
* The setAttribute function sets the attribute with the given name to
* the given value. _override defines, whether this[_name] will be set,
* if this key already exists. _override defaults to true. A warning
* is issued if the attribute does not exist.
*/
Class.prototype.setAttribute = function(_name, _value, _override) {
if (typeof this.attributes[_name] != "undefined")
{
if (!this.attributes[_name].ignore)
{
if (typeof _override == "undefined")
{
_override = true;
}
var val = et2_checkType(_value, this.attributes[_name].type);
if (typeof this["set_" + _name] == "function")
{
this["set_" + _name](val);
}
else if (_override || typeof this[_name] == "undefined")
{
this[_name] = val;
}
}
}
else
{
et2_debug("warn", "Attribute '" + _name + "' does not exist!");
}
}
/**
* The initAttributes function sets the attributes to their default
* values. The attributes are not overwritten, which means, that the
* default is only set, if either a setter exists or this[propName] does
* not exist yet.
*/
Class.prototype.initAttributes = function() {
for (var key in this.attributes)
{
if (!this.attributes[key].ignore && this.attributes[key]["default"] !== et2_no_init)
{
this.setAttribute(key, this.attributes[key]["default"],
false);
}
}
this._attrsInitialized = true;
}
/**
* The implements function can be used to check whether the object
* implements the given interface.
*/
Class.prototype.implements = function(_iface) {
for (var key in _iface)
{
if (this._ifacefuncs.indexOf(key) < 0)
{
return false;
}
}
return true;
}
/**
* The instanceOf function can be used to check for both - classes and
* interfaces. Please don't change the case of this function as this
* affects IE and Opera support.
*/
Class.prototype.instanceOf = function(_obj) {
if (_obj instanceof Interface)
{
return this.implements(_obj);
}
else
{
return this instanceof _obj;
}
}
}).call(window);