bibliothek.gui.dock.station.toolbar.layer.ToolbarGroupOuterLayer Maven / Gradle / Ivy
/*
* Bibliothek - DockingFrames
* Library built on Java/Swing, allows the user to "drag and drop"
* panels containing any Swing-Component the developer likes to add.
*
* Copyright (C) 2012 Herve Guillaume, Benjamin Sigg
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Herve Guillaume
* [email protected]
* FR - France
*
* Benjamin Sigg
* [email protected]
* CH - Switzerland
*/
package bibliothek.gui.dock.station.toolbar.layer;
import java.awt.Component;
import java.awt.Point;
import java.awt.Rectangle;
import javax.swing.SwingUtilities;
import bibliothek.gui.Dockable;
import bibliothek.gui.dock.ToolbarGroupDockStation;
import bibliothek.gui.dock.station.StationChildHandle;
import bibliothek.gui.dock.station.layer.DockStationDropLayer;
import bibliothek.gui.dock.station.layer.LayerPriority;
import bibliothek.gui.dock.station.toolbar.layout.ToolbarGridLayoutManager;
/**
* Describes the area around a {@link ToolbarGroupDockStation} where the user
* can drop a {@link Dockable} into.
*
* @author Herve Guillaume
*/
public class ToolbarGroupOuterLayer extends ToolbarGroupInnerLayer{
/**
* Creates a new SideSnapDropLayerComplex
* @param station the owner of this layer
* @param component the component which actually shows the dockables
*/
public ToolbarGroupOuterLayer( ToolbarGroupDockStation station, Component component ){
super( station, component );
setPriority( LayerPriority.OVERRIDE_PRECISE );
}
@Override
public DockStationDropLayer modify( DockStationDropLayer child ){
return child;
}
@Override
public boolean contains( int x, int y ){
ToolbarGroupDockStation station = getStation();
if (!station.isAllowSideSnap()){
return false;
}
if (isComponentContain(x, y)){
return false;
}
final int size = station.getBorderSideSnapSize();
if (station.columnCount() == 0){
// if there's no dockable inside the station, the shape of the snap
// layer is computed with regards to the station component
Point mouseCoord = new Point(x, y);
SwingUtilities.convertPointFromScreen(mouseCoord, getComponent());
Rectangle rec = getComponent().getBounds();
Rectangle recSnap = new Rectangle(rec.x - size, rec.y - size, rec.width + (size * 2), rec.height + (size * 2));
return recSnap.contains(mouseCoord);
} else{
final Point mouseCoord = new Point(x, y);
SwingUtilities.convertPointFromScreen(mouseCoord, getComponent());
final ToolbarGridLayoutManager layout = station.getLayoutManager();
int count = station.columnCount();
// check if the point is *inside* a child
for( int i = 0; i < count; i++ ){
Rectangle bound = layout.getBounds( i );
if( isNear( bound, size, mouseCoord )){
return true;
}
}
// check if the point is *between* two children
for( int i = 0; i <= count; i++ ){
Rectangle bound = layout.getGapBounds( i, true );
if( isNear( bound, size, mouseCoord )){
return true;
}
}
return false;
}
}
private boolean isNear( Rectangle boundaries, int size, Point location ){
if( boundaries.contains( location )){
return false;
}
int dx = Math.min( Math.abs( boundaries.x - location.x ), Math.abs( location.x - boundaries.x - boundaries.width ));
int dy = Math.min( Math.abs( boundaries.y - location.y ), Math.abs( location.y - boundaries.y - boundaries.height ));
if( dx <= size ){
return dy <= size || (boundaries.y <= location.y && boundaries.y + boundaries.height >= location.y);
}
else if( dy <= size ){
return dx <= size || (boundaries.x <= location.x && boundaries.x + boundaries.width >= location.x);
}
return false;
}
/**
* Tells if the mouse is inside the station
* @param x x mouse position in screen coordinates
* @param y y mouse position in screen coordinates
* @return true if the mouse is inside the station
*/
private boolean isComponentContain( int x, int y ){
return super.contains( x, y );
}
}