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package net.miginfocom.swing; |
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import net.miginfocom.layout.ComponentWrapper; |
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import net.miginfocom.layout.ContainerWrapper; |
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import net.miginfocom.layout.PlatformDefaults; |
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import javax.swing.*; |
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import javax.swing.text.JTextComponent; |
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import java.awt.*; |
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import java.awt.geom.Rectangle2D; |
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import java.lang.reflect.Method; |
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import java.util.IdentityHashMap; |
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public class SwingComponentWrapper implements ComponentWrapper |
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{ |
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private static boolean maxSet = false; |
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private static boolean vp = true; |
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private static final Color DB_COMP_OUTLINE = new Color(0, 0, 200); |
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private final Component c; |
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private int compType = TYPE_UNSET; |
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private Boolean bl = null; |
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private boolean prefCalled = false; |
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public SwingComponentWrapper(Component c) |
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{ |
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this.c = c; |
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} |
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public final int getBaseline(int width, int height) |
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{ |
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if (BL_METHOD == null) |
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return -1; |
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try { |
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Object[] args = new Object[] { |
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width < 0 ? c.getWidth() : width, |
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height < 0 ? c.getHeight() : height |
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}; |
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return (Integer) BL_METHOD.invoke(c, args); |
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} catch (Exception e) { |
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return -1; |
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} |
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} |
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public final Object getComponent() |
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{ |
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return c; |
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} |
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private final static IdentityHashMap<FontMetrics, Point.Float> FM_MAP = new IdentityHashMap<FontMetrics, Point.Float>(4); |
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private final static Font SUBST_FONT = new Font("sansserif", Font.PLAIN, 11); |
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public final float getPixelUnitFactor(boolean isHor) |
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{ |
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switch (PlatformDefaults.getLogicalPixelBase()) { |
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case PlatformDefaults.BASE_FONT_SIZE: |
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Font font = c.getFont(); |
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FontMetrics fm = c.getFontMetrics(font != null ? font : SUBST_FONT); |
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Point.Float p = FM_MAP.get(fm); |
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if (p == null) { |
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Rectangle2D r = fm.getStringBounds("X", c.getGraphics()); |
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p = new Point.Float(((float) r.getWidth()) / 6f, ((float) r.getHeight()) / 13.27734375f); |
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FM_MAP.put(fm, p); |
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} |
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return isHor ? p.x : p.y; |
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case PlatformDefaults.BASE_SCALE_FACTOR: |
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Float s = isHor ? PlatformDefaults.getHorizontalScaleFactor() : PlatformDefaults.getVerticalScaleFactor(); |
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if (s != null) |
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return s; |
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return (isHor ? getHorizontalScreenDPI() : getVerticalScreenDPI()) / (float) PlatformDefaults.getDefaultDPI(); |
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default: |
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return 1f; |
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} |
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} |
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public final int getX() |
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{ |
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return c.getX(); |
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} |
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public final int getY() |
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{ |
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return c.getY(); |
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} |
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public final int getHeight() |
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{ |
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return c.getHeight(); |
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} |
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public final int getWidth() |
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{ |
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return c.getWidth(); |
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} |
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public final int getScreenLocationX() |
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{ |
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Point p = new Point(); |
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SwingUtilities.convertPointToScreen(p, c); |
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return p.x; |
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} |
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public final int getScreenLocationY() |
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{ |
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Point p = new Point(); |
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SwingUtilities.convertPointToScreen(p, c); |
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return p.y; |
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} |
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public final int getMinimumHeight(int sz) |
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{ |
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if (prefCalled == false) { |
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c.getPreferredSize(); |
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prefCalled = true; |
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} |
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return c.getMinimumSize().height; |
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} |
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public final int getMinimumWidth(int sz) |
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{ |
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if (prefCalled == false) { |
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c.getPreferredSize(); |
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prefCalled = true; |
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} |
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return c.getMinimumSize().width; |
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} |
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public final int getPreferredHeight(int sz) |
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{ |
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if (c.getWidth() == 0 && c.getHeight() == 0 && sz != -1) |
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c.setBounds(c.getX(), c.getY(), sz, 1); |
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return c.getPreferredSize().height; |
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} |
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public final int getPreferredWidth(int sz) |
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{ |
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if (c.getWidth() == 0 && c.getHeight() == 0 && sz != -1) |
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c.setBounds(c.getX(), c.getY(), 1, sz); |
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return c.getPreferredSize().width; |
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} |
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public final int getMaximumHeight(int sz) |
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{ |
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if (!isMaxSet(c)) |
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return Short.MAX_VALUE; |
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return c.getMaximumSize().height; |
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} |
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public final int getMaximumWidth(int sz) |
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{ |
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if (!isMaxSet(c)) |
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return Short.MAX_VALUE; |
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return c.getMaximumSize().width; |
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} |
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private boolean isMaxSet(Component c) |
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{ |
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if (IMS_METHOD != null) { |
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try { |
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return (Boolean) IMS_METHOD.invoke(c, (Object[]) null); |
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} catch (Exception e) { |
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IMS_METHOD = null; |
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} |
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} |
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return isMaxSizeSetOn1_4(); |
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} |
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public final ContainerWrapper getParent() |
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{ |
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Container p = c.getParent(); |
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return p != null ? new SwingContainerWrapper(p) : null; |
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} |
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public final int getHorizontalScreenDPI() |
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{ |
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return PlatformDefaults.getDefaultDPI(); |
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} |
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public final int getVerticalScreenDPI() |
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{ |
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return PlatformDefaults.getDefaultDPI(); |
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} |
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public final int getScreenWidth() |
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{ |
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try { |
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return c.getToolkit().getScreenSize().width; |
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} catch (HeadlessException ex) { |
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return 1024; |
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} |
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} |
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public final int getScreenHeight() |
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{ |
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try { |
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return c.getToolkit().getScreenSize().height; |
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} catch (HeadlessException ex) { |
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return 768; |
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} |
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} |
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public final boolean hasBaseline() |
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{ |
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if (bl == null) { |
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try { |
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if (BL_RES_METHOD == null || BL_RES_METHOD.invoke(c).toString().equals("OTHER")) { |
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bl = Boolean.FALSE; |
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} else { |
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Dimension d = c.getMinimumSize(); |
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bl = getBaseline(d.width, d.height) > -1; |
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} |
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} catch (Throwable ex) { |
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bl = Boolean.FALSE; |
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} |
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} |
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return bl; |
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} |
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public final String getLinkId() |
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{ |
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return c.getName(); |
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} |
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public final void setBounds(int x, int y, int width, int height) |
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{ |
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c.setBounds(x, y, width, height); |
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} |
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public boolean isVisible() |
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{ |
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return c.isVisible(); |
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} |
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public final int[] getVisualPadding() |
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{ |
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if (vp && c instanceof JTabbedPane) { |
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if (UIManager.getLookAndFeel().getClass().getName().endsWith("WindowsLookAndFeel")) |
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return new int[] {-1, 0, 2, 2}; |
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} |
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return null; |
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} |
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public static boolean isMaxSizeSetOn1_4() |
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{ |
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return maxSet; |
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} |
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public static void setMaxSizeSetOn1_4(boolean b) |
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{ |
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maxSet = b; |
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} |
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public static boolean isVisualPaddingEnabled() |
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{ |
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return vp; |
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} |
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public static void setVisualPaddingEnabled(boolean b) |
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{ |
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vp = b; |
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} |
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public final void paintDebugOutline() |
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{ |
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if (c.isShowing() == false) |
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return; |
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Graphics2D g = (Graphics2D) c.getGraphics(); |
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if (g == null) |
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return; |
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g.setPaint(DB_COMP_OUTLINE); |
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g.setStroke(new BasicStroke(1f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_MITER, 10f, new float[] {2f, 4f}, 0)); |
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g.drawRect(0, 0, getWidth() - 1, getHeight() - 1); |
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} |
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public int getComponetType(boolean disregardScrollPane) |
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{ |
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if (compType == TYPE_UNSET) |
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compType = checkType(disregardScrollPane); |
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return compType; |
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} |
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public int getLayoutHashCode() |
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{ |
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Dimension d = c.getMaximumSize(); |
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int hash = d.width + (d.height << 5); |
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d = c.getPreferredSize(); |
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hash += (d.width << 10) + (d.height << 15); |
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d = c.getMinimumSize(); |
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hash += (d.width << 20) + (d.height << 25); |
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if (c.isVisible()) |
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hash += 1324511; |
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String id = getLinkId(); |
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if (id != null) |
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hash += id.hashCode(); |
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return hash; |
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} |
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private int checkType(boolean disregardScrollPane) |
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{ |
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Component c = this.c; |
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if (disregardScrollPane) { |
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if (c instanceof JScrollPane) { |
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c = ((JScrollPane) c).getViewport().getView(); |
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} else if (c instanceof ScrollPane) { |
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c = ((ScrollPane) c).getComponent(0); |
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} |
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} |
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if (c instanceof JTextField || c instanceof TextField) { |
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return TYPE_TEXT_FIELD; |
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} else if (c instanceof JLabel || c instanceof Label) { |
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return TYPE_LABEL; |
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} else if (c instanceof JToggleButton || c instanceof Checkbox) { |
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return TYPE_CHECK_BOX; |
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} else if (c instanceof AbstractButton || c instanceof Button) { |
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return TYPE_BUTTON; |
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} else if (c instanceof JComboBox || c instanceof Choice) { |
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return TYPE_LABEL; |
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} else if (c instanceof JTextComponent || c instanceof TextComponent) { |
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return TYPE_TEXT_AREA; |
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} else if (c instanceof JPanel || c instanceof Canvas) { |
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return TYPE_PANEL; |
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} else if (c instanceof JList || c instanceof List) { |
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return TYPE_LIST; |
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} else if (c instanceof JTable) { |
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return TYPE_TABLE; |
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} else if (c instanceof JSeparator) { |
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return TYPE_SEPARATOR; |
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} else if (c instanceof JSpinner) { |
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return TYPE_SPINNER; |
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} else if (c instanceof JProgressBar) { |
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return TYPE_PROGRESS_BAR; |
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} else if (c instanceof JSlider) { |
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return TYPE_SLIDER; |
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} else if (c instanceof JScrollPane) { |
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return TYPE_SCROLL_PANE; |
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} else if (c instanceof JScrollBar || c instanceof Scrollbar) { |
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return TYPE_SCROLL_BAR; |
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} else if (c instanceof Container) { |
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return TYPE_CONTAINER; |
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} |
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return TYPE_UNKNOWN; |
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} |
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|
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public final int hashCode() |
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{ |
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return getComponent().hashCode(); |
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} |
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|
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public final boolean equals(Object o) |
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{ |
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if (o instanceof ComponentWrapper == false) |
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return false; |
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return getComponent().equals(((ComponentWrapper) o).getComponent()); |
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} |
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private static Method BL_METHOD = null; |
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private static Method BL_RES_METHOD = null; |
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static { |
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try { |
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BL_METHOD = Component.class.getDeclaredMethod("getBaseline", new Class[] {int.class, int.class}); |
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BL_RES_METHOD = Component.class.getDeclaredMethod("getBaselineResizeBehavior"); |
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} catch (Throwable e) { |
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} |
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} |
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|
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private static Method IMS_METHOD = null; |
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static { |
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try { |
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IMS_METHOD = Component.class.getDeclaredMethod("isMaximumSizeSet", (Class[]) null); |
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} catch (Throwable e) { |
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} |
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} |
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} |