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package net.miginfocom.swing;
/*
* License (BSD):
* ==============
*
* Copyright (c) 2004, Mikael Grev, MiG InfoCom AB. (miglayout (at) miginfocom (dot) com)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
* 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.
* Neither the name of the MiG InfoCom AB 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.
*
* @version 1.0
* @author Mikael Grev, MiG InfoCom AB
* Date: 2006-sep-08
*/
import net.miginfocom.layout.ComponentWrapper;
import net.miginfocom.layout.ContainerWrapper;
import net.miginfocom.layout.PlatformDefaults;
import javax.swing.*;
import javax.swing.text.JTextComponent;
import java.awt.*;
import java.awt.geom.Rectangle2D;
import java.lang.reflect.Method;
import java.util.IdentityHashMap;
/**
*/
public class SwingComponentWrapper implements ComponentWrapper
{
private static boolean maxSet = false;
private static boolean vp = true;
/** Debug color for component bounds outline.
*/
private static final Color DB_COMP_OUTLINE = new Color(0, 0, 200);
private final Component c;
private int compType = TYPE_UNSET;
private Boolean bl = null;
private boolean prefCalled = false;
public SwingComponentWrapper(Component c)
{
this.c = c;
}
public final int getBaseline(int width, int height)
{
if (BL_METHOD == null)
return -1;
try {
Object[] args = new Object[] {
new Integer(width < 0 ? c.getWidth() : width),
new Integer(height < 0 ? c.getHeight() : height)
};
return ((Integer) BL_METHOD.invoke(c, args)).intValue();
} catch (Exception e) {
return -1;
}
}
public final Object getComponent()
{
return c;
}
/** Cache.
*/
private final static IdentityHashMap FM_MAP = new IdentityHashMap(4);
private final static Font SUBST_FONT = new Font("sansserif", Font.PLAIN, 11);
public final float getPixelUnitFactor(boolean isHor)
{
switch (PlatformDefaults.getLogicalPixelBase()) {
case PlatformDefaults.BASE_FONT_SIZE:
Font font = c.getFont();
FontMetrics fm = c.getFontMetrics(font != null ? font : SUBST_FONT);
Point.Float p = FM_MAP.get(fm);
if (p == null) {
Rectangle2D r = fm.getStringBounds("X", c.getGraphics());
p = new Point.Float(((float) r.getWidth()) / 6f, ((float) r.getHeight()) / 13.27734375f);
FM_MAP.put(fm, p);
}
return isHor ? p.x : p.y;
case PlatformDefaults.BASE_SCALE_FACTOR:
Float s = isHor ? PlatformDefaults.getHorizontalScaleFactor() : PlatformDefaults.getVerticalScaleFactor();
if (s != null)
return s.floatValue();
return (isHor ? getHorizontalScreenDPI() : getVerticalScreenDPI()) / (float) PlatformDefaults.getDefaultDPI();
default:
return 1f;
}
}
// /** Cache.
// */
// private final static IdentityHashMap FM_MAP2 = new IdentityHashMap(4);
// private final static Font SUBST_FONT2 = new Font("sansserif", Font.PLAIN, 11);
//
// public float getDialogUnit(boolean isHor)
// {
// Font font = c.getFont();
// FontMetrics fm = c.getFontMetrics(font != null ? font : SUBST_FONT2);
// Point.Float dluP = FM_MAP2.get(fm);
// if (dluP == null) {
// float w = fm.charWidth('X') / 4f;
// int ascent = fm.getAscent();
// float h = (ascent > 14 ? ascent : ascent + (15 - ascent) / 3) / 8f;
//
// dluP = new Point.Float(w, h);
// FM_MAP2.put(fm, dluP);
// }
// return isHor ? dluP.x : dluP.y;
// }
public final int getX()
{
return c.getX();
}
public final int getY()
{
return c.getY();
}
public final int getHeight()
{
return c.getHeight();
}
public final int getWidth()
{
return c.getWidth();
}
public final int getScreenLocationX()
{
Point p = new Point();
SwingUtilities.convertPointToScreen(p, c);
return p.x;
}
public final int getScreenLocationY()
{
Point p = new Point();
SwingUtilities.convertPointToScreen(p, c);
return p.y;
}
public final int getMinimumHeight(int sz)
{
if (prefCalled == false) {
c.getPreferredSize(); // To defeat a bug where the minimum size is different before and after the first call to getPreferredSize();
prefCalled = true;
}
return c.getMinimumSize().height;
}
public final int getMinimumWidth(int sz)
{
if (prefCalled == false) {
c.getPreferredSize(); // To defeat a bug where the minimum size is different before and after the first call to getPreferredSize();
prefCalled = true;
}
return c.getMinimumSize().width;
}
public final int getPreferredHeight(int sz)
{
// If the component has not got size yet and there is a size hint, trick Swing to return a better height.
if (c.getWidth() == 0 && c.getHeight() == 0 && sz != -1)
setBounds(c.getX(), c.getY(), sz, 1);
return c.getPreferredSize().height;
}
public final int getPreferredWidth(int sz)
{
// If the component has not got size yet and there is a size hint, trick Swing to return a better height.
if (c.getWidth() == 0 && c.getHeight() == 0 && sz != -1)
setBounds(c.getX(), c.getY(), 1, sz);
return c.getPreferredSize().width;
}
public final int getMaximumHeight(int sz)
{
if (!isMaxSet(c))
return Short.MAX_VALUE;
return c.getMaximumSize().height;
}
public final int getMaximumWidth(int sz)
{
if (!isMaxSet(c))
return Short.MAX_VALUE;
return c.getMaximumSize().width;
}
private boolean isMaxSet(Component c)
{
if (IMS_METHOD != null) {
try {
return ((Boolean) IMS_METHOD.invoke(c, (Object[]) null)).booleanValue();
} catch (Exception e) {
IMS_METHOD = null; // So we do not try every time.
}
}
return isMaxSizeSetOn1_4();
}
public final ContainerWrapper getParent()
{
Container p = c.getParent();
return p != null ? new SwingContainerWrapper(p) : null;
}
public final int getHorizontalScreenDPI()
{
return PlatformDefaults.getDefaultDPI();
}
public final int getVerticalScreenDPI()
{
return PlatformDefaults.getDefaultDPI();
}
public final int getScreenWidth()
{
try {
return c.getToolkit().getScreenSize().width;
} catch (HeadlessException ex) {
return 1024;
}
}
public final int getScreenHeight()
{
try {
return c.getToolkit().getScreenSize().height;
} catch (HeadlessException ex) {
return 768;
}
}
public final boolean hasBaseline()
{
if (bl == null) {
Dimension d = c.getMinimumSize();
bl = new Boolean(getBaseline(d.width, d.height) > -1);
}
return bl.booleanValue();
}
public final String getLinkId()
{
return c.getName();
}
public final void setBounds(int x, int y, int width, int height)
{
c.setBounds(x, y, width, height);
}
public boolean isVisible()
{
return c.isVisible();
}
public final int[] getVisualPadding()
{
if (vp && c instanceof JTabbedPane) {
if (UIManager.getLookAndFeel().getClass().getName().endsWith("WindowsLookAndFeel"))
return new int[] {-1, 0, 2, 2};
}
return null;
}
public static boolean isMaxSizeSetOn1_4()
{
return maxSet;
}
public static void setMaxSizeSetOn1_4(boolean b)
{
maxSet = b;
}
public final static boolean isVisualPaddingEnabled()
{
return vp;
}
public final static void setVisualPaddingEnabled(boolean b)
{
vp = b;
}
public final void paintDebugOutline()
{
if (c.isShowing() == false)
return;
Graphics2D g = (Graphics2D) c.getGraphics();
if (g == null)
return;
g.setPaint(DB_COMP_OUTLINE);
g.setStroke(new BasicStroke(1f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_MITER, 10f, new float[] {2f, 4f}, 0));
g.drawRect(0, 0, getWidth() - 1, getHeight() - 1);
}
public int getComponetType(boolean disregardScrollPane)
{
if (compType == TYPE_UNSET)
compType = checkType(disregardScrollPane);
return compType;
}
public int getLayoutHashCode()
{
Dimension d = c.getMaximumSize();
int h = d.width + (d.height << 5);
d = c.getPreferredSize();
h += (d.width << 10) + (d.height << 15);
d = c.getMinimumSize();
h += (d.width << 20) + (d.height << 25);
if (c.isVisible())
h += 1324511;
String id = getLinkId();
if (id != null)
h += id.hashCode();
return h;
// Since 2.3 will check the isValid instead everything that affects that can be removed from the layout hashcode.
// String id = getLinkId();
// return id != null ? id.hashCode() : 1;
}
private final int checkType(boolean disregardScrollPane)
{
Component c = this.c;
if (disregardScrollPane) {
if (c instanceof JScrollPane) {
c = ((JScrollPane) c).getViewport().getView();
} else if (c instanceof ScrollPane) {
c = ((ScrollPane) c).getComponent(0);
}
}
if (c instanceof JTextField || c instanceof TextField) {
return TYPE_TEXT_FIELD;
} else if (c instanceof JLabel || c instanceof Label) {
return TYPE_LABEL;
} else if (c instanceof JToggleButton || c instanceof Checkbox) {
return TYPE_CHECK_BOX;
} else if (c instanceof AbstractButton || c instanceof Button) {
return TYPE_BUTTON;
} else if (c instanceof JComboBox || c instanceof Choice) {
return TYPE_LABEL;
} else if (c instanceof JTextComponent || c instanceof TextComponent) {
return TYPE_TEXT_AREA;
} else if (c instanceof JPanel || c instanceof Canvas) {
return TYPE_PANEL;
} else if (c instanceof JList || c instanceof List) {
return TYPE_LIST;
} else if (c instanceof JTable) {
return TYPE_TABLE;
} else if (c instanceof JSeparator) {
return TYPE_SEPARATOR;
} else if (c instanceof JSpinner) {
return TYPE_SPINNER;
} else if (c instanceof JProgressBar) {
return TYPE_PROGRESS_BAR;
} else if (c instanceof JSlider) {
return TYPE_SLIDER;
} else if (c instanceof JScrollPane) {
return TYPE_SCROLL_PANE;
} else if (c instanceof JScrollBar || c instanceof Scrollbar) {
return TYPE_SCROLL_BAR;
} else if (c instanceof Container) { // only AWT components is not containers.
return TYPE_CONTAINER;
}
return TYPE_UNKNOWN;
}
public final int hashCode()
{
return getComponent().hashCode();
}
public final boolean equals(Object o)
{
if (o instanceof ComponentWrapper == false)
return false;
return getComponent().equals(((ComponentWrapper) o).getComponent());
}
/** Cached method used for getting base line with reflection.
*/
private static Method BL_METHOD = null;
static {
try {
BL_METHOD = Component.class.getDeclaredMethod("getBaseline", new Class[] {int.class, int.class});
} catch (Throwable e) { // No such method or security exception
}
}
private static Method IMS_METHOD = null;
static {
try {
IMS_METHOD = Component.class.getDeclaredMethod("isMaximumSizeSet", (Class[]) null);
} catch (Throwable e) { // No such method or security exception
}
}
}
