в 09:19, 26 мая 2010

2010-05-26T09:19:13Z

Admin: 1 версия

2010-05-26T08:15:01Z

1 версия

Новая страница

==Focus and Tab Events==



<source lang="java">

package{
import flash.display.*;
import flash.events.*;
public class Main extends Sprite
{
public function Main()
{
var spr:Sprite = new Sprite();
var sprTwo:Sprite = new Sprite();
spr.graphics.beginFill(0x00ff00, 1);
spr.graphics.drawRect(0, 0, 100, 100);
spr.graphics.endFill();
sprTwo.graphics.beginFill(0x0000ff, 1);
sprTwo.graphics.drawRect(0, 0, 100, 100);
sprTwo.graphics.endFill();
var btnOne:SimpleButton = new SimpleButton(spr, spr, spr, spr);
var btnTwo:SimpleButton = new SimpleButton(sprTwo, sprTwo, sprTwo, sprTwo);
addChild(btnOne);
addChild(btnTwo);
sprTwo.x = 300;
btnOne.addEventListener(MouseEvent.MOUSE_OVER, focusMe);
btnTwo.addEventListener(MouseEvent.MOUSE_OVER, focusMe);
btnOne.addEventListener(FocusEvent.FOCUS_IN, fin);
btnOne.addEventListener(FocusEvent.FOCUS_OUT, fout);
btnTwo.addEventListener(FocusEvent.FOCUS_IN, fin);
btnTwo.addEventListener(FocusEvent.FOCUS_OUT, fout);
}
private function fin(focusEvent:FocusEvent):void
{
trace(" focus in "+focusEvent.target+" related object "+focusEvent.relatedObject);
}
private function fout(focusEvent:FocusEvent):void
{
trace(" focus out "+focusEvent.target+" related object"+focusEvent.relatedObject);
}
private function focusMe(mouseEvent:MouseEvent):void
{
trace("stage focus ");
stage.focus = (mouseEvent.target as InteractiveObject);
}
}
}
</source>

==FocusEvent.KEY_FOCUS_CHANGE==



<source lang="java">

package
{
import flash.display.Sprite;
import flash.events.KeyboardEvent;
public class Main extends Sprite
{
private var sprite:Sprite = new Sprite();
public function Main()
{
sprite.graphics.beginFill(0xFF0000, 1);
sprite.graphics.drawRect(0, 0, 20, 20);
sprite.graphics.endFill();
addChild(sprite);
this.stage.addEventListener(KeyboardEvent.KEY_UP,moveSprite);
}
private function moveSprite(keyEvent:KeyboardEvent):void
{
switch (keyEvent.keyCode)
{
case 37:
sprite.x--;
break;
case 38:
sprite.y--;
break;
case 39:
sprite.x++
break;
case 40:
sprite.y++;
break;
default:
break;
}
}
}
}
</source>

==FocusEvent.MOUSE_FOCUS_CHANGE==



<source lang="java">

package
{
import flash.display.Sprite;
import flash.text.TextField;
import flash.events.FocusEvent;
public class Main extends Sprite
{
public function Main()
{
var tf1:TextField = new TextField();
tf1.type = "input";
tf1.height = 20;
tf1.width = 100;
tf1.border = true;
addChild(tf1);
tf1.addEventListener(FocusEvent.MOUSE_FOCUS_CHANGE, checkFocus);
var tf2:TextField = new TextField();
tf2.type = "input";
tf2.height = 20;
tf2.width = 100;
tf2.border = true;
addChild(tf2);
tf2.x = 200;
}
private function checkFocus(focusEvent:FocusEvent):void
{
if ((focusEvent.target as TextField).text == "")
{
focusEvent.preventDefault();
}
}
}
}
</source>

==focusIn and focusOut Events==



<source lang="java">

package{
import flash.text.TextField;
import flash.events.*;
import flash.display.Sprite;
public class FocusIn extends Sprite{
var primaryText:TextField;
var secondaryText:TextField;
public function FocusIn(){
primaryText = new TextField();
secondaryText = new TextField();
primaryText.text = "This is the primary TextField.";
secondaryText.text = "This is the secondary TextField";
primaryText.addEventListener(FocusEvent.FOCUS_IN, setFocus);
secondaryText.addEventListener(FocusEvent.FOCUS_IN, setFocus);
primaryText.addEventListener(FocusEvent.FOCUS_OUT, loseFocus);
secondaryText.addEventListener(FocusEvent.FOCUS_OUT, loseFocus);
primaryText.background = true;
secondaryText.background = true;
primaryText.backgroundColor = 0xFFFFFF;
secondaryText.backgroundColor = 0xFFFFFF;
addChild(this.primaryText);
addChild(this.secondaryText);
secondaryText.x = 500;
}
private function setFocus(focus:FocusEvent):void
{
(focus.target as TextField).backgroundColor = 0xFF0000;
}
private function loseFocus(focus:FocusEvent):void
{
(focus.target as TextField).backgroundColor = 0xFFFFFF;
}
}
}
</source>

==Handling focus events for a particular object==



<source lang="java">

package {
import flash.display.*;
import flash.events.*;
import flash.text.*;
public class Main extends Sprite {
private var namefield:TextField = new TextField( );
private var passfield:TextField = new TextField( );
public function Main ( ) {
namefield.width = 100;
namefield.height = 30;
namefield.border = true;
namefield.background = true;
namefield.type = TextFieldType.INPUT;
passfield.width = 100;
passfield.height = 30;
passfield.y = 50;
passfield.border = true;
passfield.background = true;
passfield.type = TextFieldType.INPUT;
addChild(namefield);
addChild(passfield);
namefield.addEventListener(FocusEvent.MOUSE_FOCUS_CHANGE,
focusChangeListener);
namefield.addEventListener(FocusEvent.KEY_FOCUS_CHANGE,
focusChangeListener);
}
private function focusChangeListener (e:FocusEvent):void {
if (e.target == namefield && namefield.text.length < 3) {
trace("Name entered is less than three characters long");
e.preventDefault( );
}
}
}
}
</source>

==Handling focus events globally==



<source lang="java">

package {
import flash.display.*;
import flash.events.*;
import flash.text.*;
public class Main extends Sprite {
public function Main ( ) {
var field1:TextField = new TextField( );
field1.width = 100;
field1.height = 30;
field1.border = true;
field1.background = true;
field1.type = TextFieldType.INPUT;
var field2:TextField = new TextField( );
field2.width = 100;
field2.height = 30;
field2.y = 50;
field2.border = true;
field2.background = true;
field2.type = TextFieldType.INPUT;
addChild(field1);
addChild(field2);
stage.addEventListener(FocusEvent.FOCUS_IN, focusInListener);
}
private function focusInListener (e:FocusEvent):void {
TextField(e.target).backgroundColor = 0xFF00FF00;
if (e.relatedObject is TextField) {
TextField(e.relatedObject).backgroundColor = 0xFFFFFFFF;
}
}
}
}
</source>

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Flash / Flex / ActionScript/Development/Focus Event - История изменений

в 09:19, 26 мая 2010

Admin: 1 версия