com.alee.extended.collapsible.CollapsiblePaneLayout Maven / Gradle / Ivy
/*
* This file is part of WebLookAndFeel library.
*
* WebLookAndFeel library is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* WebLookAndFeel library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WebLookAndFeel library. If not, see ( contentSize, target, easing, fullDuration ) );
// Value update listener
transitionsQueue.addListener ( new TransitionAdapter ()
{
@Override
public void adjusted ( final Transition transition, final Float value )
{
contentSize = value;
SwingUtils.update ( pane );
}
@Override
public void finished ( final Transition transition, final Float value )
{
SwingUtilities.invokeLater ( new Runnable ()
{
@Override
public void run ()
{
// Removing unused queue
transitionsQueue = null;
// Firing appropriate event
if ( pane.isExpanded () )
{
pane.fireExpanded ();
}
else
{
pane.fireCollapsed ();
}
}
} );
}
} );
// Playing transition
transitionsQueue.play ();
}
else
{
// Aborting current transition
transitionsQueue.stop ();
// Removing all previously added transitions
transitionsQueue.clear ();
// Adding new partial transition
final float targetDistance = expanded ? 1.0f - contentSize : contentSize;
final long partialDuration = Math.round ( fullDuration * targetDistance );
transitionsQueue.add ( new TimedTransition ( contentSize, target, easing, partialDuration ) );
// Playing transition
transitionsQueue.play ();
}
// Firing appropriate event
if ( expanded )
{
pane.fireExpanding ();
}
else
{
pane.fireCollapsing ();
}
}
else
{
// Resetting position
contentSize = expanded ? 1.0f : 0.0f;
// Firing appropriate event
if ( expanded )
{
pane.fireExpanding ();
pane.fireExpanded ();
}
else
{
pane.fireCollapsing ();
pane.fireCollapsed ();
}
SwingUtils.update ( pane );
}
}
else if ( Objects.equals ( property, WebCollapsiblePane.TITLE_COMPONENT_PROPERTY, WebCollapsiblePane.TITLE_PROPERTY,
WebCollapsiblePane.HEADER_POSITION_PROPERTY, WebCollapsiblePane.CONTENT_PROPERTY ) )
{
SwingUtils.update ( pane );
}
}
/**
* Returns whether or not {@link CollapsiblePaneLayout} is in transition to either of two expansion states.
* Note this will only be {@code true} whenever {@link WebCollapsiblePane} expansion state changes and {@link CollapsiblePaneLayout}
* is configured to perform an animated transition on the {@link WebCollapsiblePane#content}.
*
* @return {@code true} if {@link CollapsiblePaneLayout} is in transition, {@code false} otherwise
*/
public boolean isInTransition ()
{
return transitionsQueue != null;
}
@Override
public void layoutContainer ( @NotNull final Container parent )
{
final WebCollapsiblePane pane = ( WebCollapsiblePane ) parent;
final Component header = pane.getHeaderComponent ();
final Component content = pane.getContent ();
final Insets insets = pane.getInsets ();
final int availableWidth = pane.getWidth () - insets.left - insets.right;
final int availableHeight = pane.getHeight () - insets.top - insets.bottom;
final Rectangle bounds = new Rectangle ( insets.left, insets.top, availableWidth, availableHeight );
final boolean ltr = pane.getComponentOrientation ().isLeftToRight ();
final BoxOrientation position = pane.getHeaderPosition ();
final Dimension hps = header.getPreferredSize ();
final int x;
if ( position.isTop () || position.isBottom () || ( ltr ? position.isLeft () : position.isRight () ) )
{
x = bounds.x;
}
else
{
x = bounds.x + bounds.width - Math.min ( availableWidth, hps.width );
}
final int y;
if ( position.isTop () || position.isLeft () || position.isRight () )
{
y = bounds.y;
}
else
{
y = bounds.y + bounds.height - Math.min ( availableHeight, hps.height );
}
final int w;
if ( position.isTop () || position.isBottom () )
{
w = availableWidth;
}
else
{
w = Math.min ( availableWidth, hps.width );
}
final int h;
if ( position.isLeft () || position.isRight () )
{
h = availableHeight;
}
else
{
h = Math.min ( availableHeight, hps.height );
}
header.setBounds ( x, y, w, h );
if ( content != null )
{
if ( position.isTop () )
{
bounds.y += h;
bounds.height -= h;
}
else if ( position.isBottom () )
{
bounds.height -= h;
}
else if ( ltr && position.isLeft () || !ltr && position.isRight () )
{
bounds.x += w;
bounds.width -= w;
}
else
{
bounds.width -= w;
}
content.setBounds ( bounds );
content.setVisible ( transitionsQueue != null || pane.isExpanded () );
}
}
@NotNull
@Override
public Dimension preferredLayoutSize ( @NotNull final Container parent )
{
final WebCollapsiblePane pane = ( WebCollapsiblePane ) parent;
final Component header = pane.getHeaderComponent ();
final Component content = pane.getContent ();
final Insets insets = pane.getInsets ();
final Dimension ps = new Dimension ( 0, 0 );
final BoxOrientation position = pane.getHeaderPosition ();
if ( content != null )
{
final Dimension cps = content.getPreferredSize ();
ps.width = position.isLeft () || position.isRight () ? Math.round ( cps.width * contentSize ) : cps.width;
ps.height = position.isTop () || position.isBottom () ? Math.round ( cps.height * contentSize ) : cps.height;
}
final Dimension hps = header.getPreferredSize ();
if ( position.isTop () || position.isBottom () )
{
if ( isFitHeader () )
{
ps.width = Math.max ( ps.width, hps.width );
}
ps.height += hps.height;
}
else
{
if ( isFitHeader () )
{
ps.height = Math.max ( ps.height, hps.height );
}
ps.width += hps.width;
}
ps.width += insets.left + insets.right;
ps.height += insets.top + insets.bottom;
return ps;
}
/**
* The UI resource version of {@link CollapsiblePaneLayout}.
*/
@XStreamAlias ( "CollapsiblePaneLayout$UIResource" )
public static final class UIResource extends CollapsiblePaneLayout implements javax.swing.plaf.UIResource
{
/**
* Implementation is used completely from {@link CollapsiblePaneLayout}.
*/
}
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