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ignoring index functions (moveToTop, moveUp, moveDown, moveToBottom, setZIndex) if node has no parent

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Лаврёнов Антон
2014-03-01 20:23:37 +08:00
parent 0821d7c99d
commit cadcb91fbc
1 changed files with 20 additions and 0 deletions
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20
src/Node.js
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@@ -860,6 +860,10 @@
* @returns {Boolean} * @returns {Boolean}
*/ */
moveToTop: function() { moveToTop: function() {
if (!this.parent) {
Kinetic.Util.warn('Node has no parent. moveToTop function is ignored.');
return;
}
var index = this.index; var index = this.index;
this.parent.children.splice(index, 1); this.parent.children.splice(index, 1);
this.parent.children.push(this); this.parent.children.push(this);
@@ -873,6 +877,10 @@
* @returns {Boolean} * @returns {Boolean}
*/ */
moveUp: function() { moveUp: function() {
if (!this.parent) {
Kinetic.Util.warn('Node has no parent. moveUp function is ignored.');
return;
}
var index = this.index, var index = this.index,
len = this.parent.getChildren().length; len = this.parent.getChildren().length;
if(index < len - 1) { if(index < len - 1) {
@@ -890,6 +898,10 @@
* @returns {Boolean} * @returns {Boolean}
*/ */
moveDown: function() { moveDown: function() {
if (!this.parent) {
Kinetic.Util.warn('Node has no parent. moveDown function is ignored.');
return;
}
var index = this.index; var index = this.index;
if(index > 0) { if(index > 0) {
this.parent.children.splice(index, 1); this.parent.children.splice(index, 1);
@@ -906,6 +918,10 @@
* @returns {Boolean} * @returns {Boolean}
*/ */
moveToBottom: function() { moveToBottom: function() {
if (!this.parent) {
Kinetic.Util.warn('Node has no parent. moveToBottom function is ignored.');
return;
}
var index = this.index; var index = this.index;
if(index > 0) { if(index > 0) {
this.parent.children.splice(index, 1); this.parent.children.splice(index, 1);
@@ -923,6 +939,10 @@
* @returns {Kinetic.Node} * @returns {Kinetic.Node}
*/ */
setZIndex: function(zIndex) { setZIndex: function(zIndex) {
if (!this.parent) {
Kinetic.Util.warn('Node has no parent. zIndex parameter is ignored.');
return;
}
var index = this.index; var index = this.index;
this.parent.children.splice(index, 1); this.parent.children.splice(index, 1);
this.parent.children.splice(zIndex, 0, this); this.parent.children.splice(zIndex, 0, this);