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Added Group.cursor. This points to the first item added to a Group. You can move the cursor with Group.next() and Group.previous().

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This commit is contained in:
photonstorm
2013-11-01 02:50:00 +00:00
parent 3c164b466c
commit 581d637663
3 changed files with 163 additions and 1 deletions
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src/core/Group.js
+107 -1
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@@ -83,7 +83,9 @@ Phaser.Group = function (game, parent, name, useStage) {
this.scale = new Phaser.Point(1, 1);
/**
* @property {any} cursor - The current display object that the Group cursor is pointing to. You can move the cursor with Group.next and Group.previous.
* The cursor is a simple way to iterate through the objects in a Group using the Group.next and Group.previous functions.
* The cursor is set to the first child added to the Group and doesn't change unless you call next, previous or set it directly with Group.cursor.
* @property {any} cursor - The current display object that the Group cursor is pointing to.
*/
this.cursor = null;
@@ -116,6 +118,11 @@ Phaser.Group.prototype = {
this._container.addChild(child);
child.updateTransform();
if (this.cursor === null)
{
this.cursor = child;
}
}
return child;
@@ -145,6 +152,11 @@ Phaser.Group.prototype = {
this._container.addChildAt(child, index);
child.updateTransform();
if (this.cursor === null)
{
this.cursor = child;
}
}
return child;
@@ -197,6 +209,11 @@ Phaser.Group.prototype = {
child.updateTransform();
if (this.cursor === null)
{
this.cursor = child;
}
return child;
},
@@ -233,6 +250,55 @@ Phaser.Group.prototype = {
this._container.addChild(child);
child.updateTransform();
if (this.cursor === null)
{
this.cursor = child;
}
}
},
/**
* Advances the Group cursor to the next object in the Group. If it's at the end of the Group it wraps around to the first object.
*
* @method Phaser.Group#next
*/
next: function () {
if (this.cursor)
{
// Wrap the cursor?
if (this.cursor == this._container.last)
{
this.cursor = this._container._iNext;
}
else
{
this.cursor = this.cursor._iNext;
}
}
},
/**
* Moves the Group cursor to the previous object in the Group. If it's at the start of the Group it wraps around to the last object.
*
* @method Phaser.Group#previous
*/
previous: function () {
if (this.cursor)
{
// Wrap the cursor?
if (this.cursor == this._container._iNext)
{
this.cursor = this._container.last;
}
else
{
this.cursor = this.cursor._iPrev;
}
}
},
@@ -423,8 +489,14 @@ Phaser.Group.prototype = {
this._container.removeChild(oldChild);
this._container.addChildAt(newChild, index);
newChild.events.onAddedToGroup.dispatch(newChild, this);
newChild.updateTransform();
if (this.cursor == oldChild)
{
this.cursor = this._container._iNext;
}
}
},
@@ -960,6 +1032,18 @@ Phaser.Group.prototype = {
this._container.removeChild(child);
if (this.cursor == child)
{
if (this._container._iNext)
{
this.cursor = this._container._iNext;
}
else
{
this.cursor = null;
}
}
child.group = null;
},
@@ -987,6 +1071,8 @@ Phaser.Group.prototype = {
}
while (this._container.children.length > 0);
this.cursor = null;
},
/**
@@ -1013,6 +1099,18 @@ Phaser.Group.prototype = {
var child = this._container.children[i];
child.events.onRemovedFromGroup.dispatch(child, this);
this._container.removeChild(child);
if (this.cursor == child)
{
if (this._container._iNext)
{
this.cursor = this._container._iNext;
}
else
{
this.cursor = null;
}
}
}
},
@@ -1034,6 +1132,8 @@ Phaser.Group.prototype = {
this.exists = false;
this.cursor = null;
},
/**
@@ -1071,6 +1171,12 @@ Phaser.Group.prototype = {
do
{
var name = displayObject.name || '*';
if (this.cursor == displayObject)
{
var name = '> ' + name;
}
var nameNext = '-';
var namePrev = '-';
var nameFirst = '-';