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Support an optional argument 'dontLink' in getters that normalled return LinkedPoint and LinkedSize objects, for internal use.

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This commit is contained in:
Jürg Lehni 2011-08-16 13:50:59 +02:00
parent 8f8188a091
commit c9eb538f7a
3 changed files with 25 additions and 12 deletions
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7
src/basic/Point.js
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@ -949,7 +949,12 @@ var LinkedPoint = Point.extend({
},
statics: {
create: function(owner, setter, x, y) {
create: function(owner, setter, x, y, dontLink) {
// Support creation of normal Points rather than LinkedPoints
// through an optional parameter that can be passed to the getters.
// See e.g. Rectangle#getPoint(true).
if (dontLink)
return Point.create(x, y);
var point = new LinkedPoint(LinkedPoint.dont);
point._x = x;
point._y = y;

13
src/basic/Rectangle.js
View file

@ -145,7 +145,10 @@ var Rectangle = this.Rectangle = Base.extend(/** @lends Rectangle# */{
* @bean
*/
getPoint: function() {
return LinkedPoint.create(this, 'setPoint', this.x, this.y);
// Pass on the optional argument dontLink which tells LinkedPoint to
// produce a normal point instead. Used internally for speed reasons.
return LinkedPoint.create(this, 'setPoint', this.x, this.y,
arguments[0]);
},
setPoint: function(point) {
@ -162,7 +165,9 @@ var Rectangle = this.Rectangle = Base.extend(/** @lends Rectangle# */{
* @bean
*/
getSize: function() {
return LinkedSize.create(this, 'setSize', this.width, this.height);
// See Rectangle#getPoint() about arguments[0]
return LinkedSize.create(this, 'setSize', this.width, this.height,
arguments[0]);
},
setSize: function(size) {
@ -282,7 +287,7 @@ var Rectangle = this.Rectangle = Base.extend(/** @lends Rectangle# */{
*/
getCenter: function() {
return LinkedPoint.create(this, 'setCenter',
this.getCenterX(), this.getCenterY());
this.getCenterX(), this.getCenterY(), arguments[0]);
},
setCenter: function(point) {
@ -665,7 +670,7 @@ var Rectangle = this.Rectangle = Base.extend(/** @lends Rectangle# */{
set = 'set' + part;
this[get] = function() {
return LinkedPoint.create(this, set,
this[getX](), this[getY]());
this[getX](), this[getY](), arguments[0]);
};
this[set] = function(point) {
point = Point.read(arguments);

17
src/basic/Size.js
View file

@ -535,13 +535,16 @@ var LinkedSize = Size.extend({
},
statics: {
create: function(owner, setter, width, height) {
var point = new LinkedSize(LinkedSize.dont);
point._width = width;
point._height = height;
point._owner = owner;
point._setter = setter;
return point;
create: function(owner, setter, width, height, dontLink) {
// See LinkedPoint.create() for an explanation about dontLink.
if (dontLink)
return Size.create(width, height);
var size = new LinkedSize(LinkedSize.dont);
size._width = width;
size._height = height;
size._owner = owner;
size._setter = setter;
return size;
}
}
});