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/*
* Copyright (c) 2005-2019 Radiance Kirill Grouchnikov. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of the copyright holder 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 org.pushingpixels.substance.internal.utils.combo;
import org.pushingpixels.substance.internal.ui.SubstanceListUI;
import org.pushingpixels.substance.internal.utils.SubstanceCoreUtilities;
import org.pushingpixels.substance.internal.utils.border.SubstanceBorder;
import javax.swing.*;
import javax.swing.plaf.basic.BasicComboPopup;
import java.awt.*;
/**
* Combo popup implementation in Substance look-and-feel. This class is
* for internal use only.
*
* @author Kirill Grouchnikov
*/
public class SubstanceComboPopup extends BasicComboPopup {
/**
* Creates combo popup for the specified combobox.
*
* @param combo
* Combobox.
*/
public SubstanceComboPopup(JComboBox combo) {
super(combo);
// fix for defect 154
this.setOpaque(true);
this.list.setBackground(combo.getBackground());
}
@Override
protected void configurePopup() {
super.configurePopup();
setBorder(new SubstanceBorder(new Insets(0, 2, 2, 2)));
}
/**
* Sets the list selection index to the selectedIndex. This method is used
* to synchronize the list selection with the combo box selection.
*
* @param selectedIndex
* the index to set the list
*/
private void setListSelection(int selectedIndex) {
if (selectedIndex == -1) {
this.list.clearSelection();
} else {
this.list.setSelectedIndex(selectedIndex);
this.list.ensureIndexIsVisible(selectedIndex);
}
}
/**
* Calculates the upper left location of the popup.
*
* @return The upper left location of the popup.
*/
private Point getPopupLocation() {
Dimension popupSize = this.comboBox.getSize();
Insets insets = this.getInsets();
// reduce the width of the scrollpane by the insets so that the popup
// is the same width as the combo box.
popupSize.setSize(popupSize.width - (insets.right + insets.left), this
.getPopupHeightForRowCount(this.comboBox.getMaximumRowCount()));
Rectangle popupBounds = this.computePopupBounds(0, this.comboBox
.getBounds().height, popupSize.width, popupSize.height);
Dimension scrollSize = popupBounds.getSize();
Point popupLocation = popupBounds.getLocation();
this.scroller.setMaximumSize(scrollSize);
this.scroller.setPreferredSize(scrollSize);
this.scroller.setMinimumSize(scrollSize);
this.list.revalidate();
return new Point(popupLocation.x, popupLocation.y);
}
@Override
protected Rectangle computePopupBounds(int px, int py, int pw, int ph) {
int popupFlyoutOrientation = SubstanceCoreUtilities
.getPopupFlyoutOrientation(this.comboBox);
Insets insets = this.getInsets();
int dx = 0;
int dy = 0;
switch (popupFlyoutOrientation) {
case SwingConstants.NORTH:
dy = -ph - (int) this.comboBox.getSize().getHeight() - insets.top
- insets.bottom;
break;
case SwingConstants.CENTER:
dy = -ph / 2 - (int) this.comboBox.getSize().getHeight() / 2
- insets.top / 2 - insets.bottom / 2;
break;
case SwingConstants.EAST:
dx = pw + insets.left + insets.right;
dy = -(int) this.comboBox.getSize().getHeight();
break;
case SwingConstants.WEST:
dx = -pw - insets.left - insets.right;
dy = -(int) this.comboBox.getSize().getHeight();
}
Toolkit toolkit = Toolkit.getDefaultToolkit();
Rectangle screenBounds;
// Calculate the desktop dimensions relative to the combo box.
GraphicsConfiguration gc = this.comboBox.getGraphicsConfiguration();
Point p = new Point();
SwingUtilities.convertPointFromScreen(p, this.comboBox);
if (gc != null) {
Insets screenInsets = toolkit.getScreenInsets(gc);
screenBounds = gc.getBounds();
screenBounds.width -= (screenInsets.left + screenInsets.right);
screenBounds.height -= (screenInsets.top + screenInsets.bottom);
screenBounds.x += (p.x + screenInsets.left);
screenBounds.y += (p.y + screenInsets.top);
} else {
screenBounds = new Rectangle(p, toolkit.getScreenSize());
}
Rectangle rect = new Rectangle(px + dx, py + dy, pw, ph);
if ((py + ph > screenBounds.y + screenBounds.height)
&& (ph < screenBounds.height)) {
rect.y = -rect.height - insets.top - insets.bottom;
}
// The following has been taken from JGoodies' Looks implementation
// for the popup prototype value
Object popupPrototypeDisplayValue = SubstanceCoreUtilities
.getComboPopupPrototypeDisplayValue(this.comboBox);
if (popupPrototypeDisplayValue != null) {
ListCellRenderer renderer = this.list.getCellRenderer();
Component c = renderer.getListCellRendererComponent(this.list,
popupPrototypeDisplayValue, -1, true, true);
int npw = c.getPreferredSize().width;
boolean hasVerticalScrollBar = this.comboBox.getItemCount() > this.comboBox
.getMaximumRowCount();
if (hasVerticalScrollBar) {
// Add the scrollbar width.
JScrollBar verticalBar = this.scroller.getVerticalScrollBar();
npw += verticalBar.getPreferredSize().width;
}
pw = Math.max(pw, npw);
rect.width = pw;
}
return rect;
}
@Override
public void show() {
this.setListSelection(this.comboBox.getSelectedIndex());
Point location = this.getPopupLocation();
this.show(this.comboBox, location.x, location.y);
}
@Override
public void hide() {
super.hide();
SubstanceListUI ui = (SubstanceListUI) this.list.getUI();
ui.resetRolloverIndex();
}
public JComboBox getCombobox() {
return this.comboBox;
}
}
