/**
* Copyright (c) 2005-2017, KoLmafia development team
* http://kolmafia.sourceforge.net/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* [1] Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* [2] Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* [3] Neither the name "KoLmafia" nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package net.sourceforge.kolmafia.swingui.listener;
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;
import javax.swing.JEditorPane;
import javax.swing.JScrollBar;
import net.java.dev.spellcast.utilities.ChatBuffer;
public class StickyListener
implements AdjustmentListener
{
private ChatBuffer buffer;
private JEditorPane editor;
private int tolerance;
private boolean currentlySticky;
public StickyListener( ChatBuffer buffer, JEditorPane editor, int tolerance )
{
this.buffer = buffer;
this.editor = editor;
this.tolerance = tolerance;
this.currentlySticky = true;
}
public void adjustmentValueChanged( AdjustmentEvent event )
{
JScrollBar bar = (JScrollBar) event.getSource();
int value = event.getValue();
int knob = bar.getVisibleAmount();
int max = bar.getMaximum();
boolean shouldBeSticky = value + knob > max - tolerance;
if ( this.currentlySticky != shouldBeSticky )
{
this.currentlySticky = shouldBeSticky;
buffer.setSticky( this.editor, shouldBeSticky );
}
}
}