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Apply the same optimisation from previous commit to Layer.

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This commit is contained in:
Jürg Lehni 2011-03-05 01:53:32 +00:00
parent 02bf012aa5
commit a365bf45a4
1 changed files with 21 additions and 24 deletions
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45
src/item/Layer.js
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@ -24,30 +24,6 @@ var Layer = this.Layer = Group.extend({
} }
}, },
moveAbove: function(item) {
// if the item is a layer and contained within Document#layers
if (item instanceof Layer && !item.parent) {
this.removeFromParent();
item.document.layers.splice(item.getIndex() + 1, 0, this);
this.document = item.document;
return true;
} else {
return this.base(item);
}
},
moveBelow: function(item) {
// if the item is a layer and contained within Document#layers
if (item instanceof Layer && !item.parent) {
this.removeFromParent();
item.document.layers.splice(item.getIndex() - 1, 0, this);
this.document = item.document;
return true;
} else {
return this.base(item);
}
},
getNextSibling: function() { getNextSibling: function() {
return this.parent ? this.base() return this.parent ? this.base()
: this.document.layers[this.getIndex() + 1] || null; : this.document.layers[this.getIndex() + 1] || null;
@ -61,4 +37,25 @@ var Layer = this.Layer = Group.extend({
activate: function() { activate: function() {
this.document.activeLayer = this; this.document.activeLayer = this;
} }
}, new function () {
function move(above) {
return function(item) {
// if the item is a layer and contained within Document#layers
if (item instanceof Layer && !item.parent) {
this.removeFromParent();
item.document.layers.splice(item.getIndex() + (above ? 1 : -1),
0, this);
this.document = item.document;
return true;
} else {
return this.base(item);
}
}
}
return {
moveAbove: move(true),
moveBelow: move(false)
};
}); });