mirror of https://github.com/weisJ/darklaf.git
weisj
4 years ago
4 changed files with 162 additions and 21 deletions
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/* |
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* MIT License |
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* |
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* Copyright (c) 2020 Jannis Weis |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and |
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* associated documentation files (the "Software"), to deal in the Software without restriction, |
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* including without limitation the rights to use, copy, modify, merge, publish, distribute, |
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* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all copies or |
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* substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT |
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* NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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package com.github.weisj.darklaf.ui.tree; |
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import java.awt.*; |
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import javax.swing.*; |
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import javax.swing.event.TreeExpansionEvent; |
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import javax.swing.event.TreeExpansionListener; |
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import javax.swing.tree.TreePath; |
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import com.github.weisj.darklaf.graphics.Animator; |
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public class DarkTreeExpansionAnimationListener implements TreeExpansionListener { |
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private final JTree tree; |
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private final TreeStateAnimator animator; |
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public DarkTreeExpansionAnimationListener(final JTree tree) { |
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this.tree = tree; |
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this.animator = new TreeStateAnimator(); |
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animator.setEnabled(UIManager.getBoolean("Tree.iconAnimations")); |
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tree.addTreeExpansionListener(this); |
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} |
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@Override |
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public void treeExpanded(final TreeExpansionEvent event) { |
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startAnimation(event.getPath()); |
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} |
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@Override |
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public void treeCollapsed(final TreeExpansionEvent event) { |
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startAnimation(event.getPath()); |
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} |
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public void startAnimation(final TreePath path) { |
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if (!animator.isEnabled()) return; |
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animator.state = 0; |
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animator.path = path; |
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animator.animationRow = tree.getRowForPath(path); |
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boolean running = animator.isRunning(); |
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animator.suspend(); |
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if (running) { |
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// Forces paintCycleEnd to be called.
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animator.resume(animator.getTotalFrames()); |
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} |
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animator.resume(0, tree); |
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} |
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public TreePath getAnimationPath() { |
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return animator.path; |
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} |
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public float getAnimationState() { |
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return animator.state; |
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} |
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protected class TreeStateAnimator extends Animator { |
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private static final int DURATION = 60; |
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private static final int RESOLUTION = 10; |
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private TreePath path; |
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private float state; |
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private int animationRow; |
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public TreeStateAnimator() { |
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super(DURATION / RESOLUTION, DURATION, 0); |
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} |
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private void repaint() { |
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if (animationRow >= 0) { |
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Rectangle bounds = tree.getRowBounds(animationRow); |
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bounds.x = 0; |
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bounds.width = tree.getWidth(); |
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tree.paintImmediately(bounds); |
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} |
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} |
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@Override |
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public void paintNow(final float fraction) { |
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state = fraction; |
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repaint(); |
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} |
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@Override |
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protected void paintCycleEnd() { |
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super.paintCycleEnd(); |
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state = 1; |
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repaint(); |
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animationRow = -1; |
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} |
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} |
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} |
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