Class BubbleTransition

java.lang.Object
com.codename1.ui.animations.Transition
com.codename1.ui.animations.BubbleTransition
All Implemented Interfaces:
Animation
public class BubbleTransition extends Transition

A Transitions that animates the destination component as a growing window until the destination is displayed in place. The Bubble window can be round on supported platforms

Form hi = new Form("Bubble");
Button showBubble = new Button("+");
showBubble.setName("BubbleButton");
Style buttonStyle = showBubble.getAllStyles();
buttonStyle.setBorder(Border.createEmpty());
buttonStyle.setFgColor(0xffffff);
buttonStyle.setBgPainter((g, rect) -> {
    g.setColor(0xff);
    int actualWidth = rect.getWidth();
    int actualHeight = rect.getHeight();
    int xPos, yPos;
    int size;
    if(actualWidth > actualHeight) {
        yPos = rect.getY();
        xPos = rect.getX() + (actualWidth - actualHeight) / 2;
        size = actualHeight;
    } else {
        yPos = rect.getY() + (actualHeight - actualWidth) / 2;
        xPos = rect.getX();
        size = actualWidth;
    }
    g.setAntiAliased(true);
    g.fillArc(xPos, yPos, size, size, 0, 360);
});
hi.add(showBubble);
hi.setTintColor(0);
showBubble.addActionListener((e) -> {
    Dialog dlg = new Dialog("Bubbled");
    dlg.setLayout(new BorderLayout());
    SpanLabel sl = new SpanLabel("This dialog should appear with a bubble transition from the button", "DialogBody");
    sl.getTextUnselectedStyle().setFgColor(0xffffff);
    dlg.add(BorderLayout.CENTER, sl);
    dlg.setTransitionInAnimator(new BubbleTransition(500, "BubbleButton"));
    dlg.setTransitionOutAnimator(new BubbleTransition(500, "BubbleButton"));
    dlg.setDisposeWhenPointerOutOfBounds(true);
    dlg.getTitleStyle().setFgColor(0xffffff);

    Style dlgStyle = dlg.getDialogStyle();
    dlgStyle.setBorder(Border.createEmpty());
    dlgStyle.setBgColor(0xff);
    dlgStyle.setBgTransparency(0xff);
    dlg.showPacked(BorderLayout.NORTH, true);
});

hi.show();

  • Constructor Details

    • BubbleTransition

      public BubbleTransition()
      Creates a Bubble Transition

    • BubbleTransition

      public BubbleTransition(int duration)

      Creates a Bubble Transition

      Parameters
      • duration: the duration of the transition

    • BubbleTransition

      public BubbleTransition(int duration, String componentName)

      Creates a Bubble Transition

      Parameters

      • duration: the duration of the transition

      • componentName: @param componentName the name of the component from the source Form that this transition should start from.

  • Method Details

    • setComponentName

      public void setComponentName(String componentName)

      the name of the component from the source Form that this transition should start from.

      Parameters
      • componentName: name of the component to start the transition from

    • initTransition

      public void initTransition()
      Description copied from class: Transition
      Callback thats invoked before a transition begins, the source form may be null for the first form in the application.
      Overrides:
      initTransition in class Transition

    • animate

      public boolean animate()
      Description copied from class: Transition

      Allows the animation to reduce "repaint" calls when it returns false. It is called once for every frame. Frames are defined by the com.codename1.ui.Display class.

      Returns

      true if a repaint is desired or false if no repaint is necessary

      Specified by:
      animate in interface Animation
      Specified by:
      animate in class Transition

    • paint

      public void paint(Graphics g)
      Description copied from class: Transition

      Draws the animation, within a component the standard paint method would be invoked since it bares the exact same signature.

      Parameters
      • g: graphics context
      Specified by:
      paint in interface Animation
      Specified by:
      paint in class Transition

    • setRoundBubble

      public void setRoundBubble(boolean roundBubble)

      Determines if the Bubble is a round circle or a rectangle. Round bubble apply to platforms who supports shaped clipping. See Graphics.isShapeClipSupported().

      Parameters
      • roundBubble: true if the bubble should be round

    • cleanup

      public void cleanup()
      Description copied from class: Transition
      Optional operation to cleanup the garbage left over by a running transition
      Overrides:
      cleanup in class Transition

    • getDuration

      public int getDuration()

      The duration for the transition

      Returns

      the duration

    • setDuration

      public void setDuration(int duration)

      The duration for the transition

      Parameters
      • duration: the duration to set

    • copy

      public Transition copy(boolean reverse)

      Create a copy of the transition, usually the transition used is a copy.

      Parameters
      • reverse: @param reverse creates a new transition instance with "reverse" behavior useful for signifying "back" operations
      Returns

      new transition instance

      Parameters
      • reverse:

      Create a copy of the transition, usually the transition used is a copy.

      Parameters
      • reverse: @param reverse creates a new transition instance with "reverse" behavior useful for signifying "back" operations
      Returns

      new transition instance

      Returns

      Create a copy of the transition, usually the transition used is a copy.

      Parameters
      • reverse: @param reverse creates a new transition instance with "reverse" behavior useful for signifying "back" operations
      Returns

      new transition instance

      Overrides:
      copy in class Transition