jdk/src/share/classes/javax/swing/plaf/synth/SynthTextFieldUI.java - platform/libcore - Git at Google

 /*
  * Copyright 2002-2006 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Sun designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Sun in the LICENSE file that accompanied this code.
  *
  * This code 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 General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */

 package javax.swing.plaf.synth;

 import javax.swing.*;
 import javax.swing.text.*;
 import javax.swing.event.*;
 import javax.swing.plaf.*;
 import javax.swing.plaf.basic.BasicTextFieldUI;
 import java.awt.*;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import java.beans.PropertyChangeEvent;

 import sun.swing.plaf.synth.SynthUI;

 /**
  * Basis of a look and feel for a JTextField in the Synth
  * look and feel.
  * <p>
  * <strong>Warning:</strong>
  * Serialized objects of this class will not be compatible with
  * future Swing releases. The current serialization support is
  * appropriate for short term storage or RMI between applications running
  * the same version of Swing.  As of 1.4, support for long term storage
  * of all JavaBeans<sup><font size="-2">TM</font></sup>
  * has been added to the <code>java.beans</code> package.
  * Please see {@link java.beans.XMLEncoder}.
  *
  * @author  Shannon Hickey
  */
 class SynthTextFieldUI
     extends BasicTextFieldUI
     implements SynthUI, FocusListener
 {
     private SynthStyle style;

     /**
      * Creates a UI for a JTextField.
      *
      * @param c the text field
      * @return the UI
      */
     public static ComponentUI createUI(JComponent c) {
         return new SynthTextFieldUI();
     }

     public SynthTextFieldUI() {
         super();
     }

     private void updateStyle(JTextComponent comp) {
         SynthContext context = getContext(comp, ENABLED);
         SynthStyle oldStyle = style;

         style = SynthLookAndFeel.updateStyle(context, this);

         if (style != oldStyle) {
             SynthTextFieldUI.updateStyle(comp, context, getPropertyPrefix());

             if (oldStyle != null) {
                 uninstallKeyboardActions();
                 installKeyboardActions();
             }
         }
         context.dispose();
     }

     static void updateStyle(JTextComponent comp, SynthContext context,
             String prefix) {
         SynthStyle style = context.getStyle();

         Color color = comp.getCaretColor();
         if (color == null || color instanceof UIResource) {
             comp.setCaretColor(
                 (Color)style.get(context, prefix + ".caretForeground"));
         }

         Color fg = comp.getForeground();
         if (fg == null || fg instanceof UIResource) {
             fg = style.getColorForState(context, ColorType.TEXT_FOREGROUND);
             if (fg != null) {
                 comp.setForeground(fg);
             }
         }

         Object ar = style.get(context, prefix + ".caretAspectRatio");
         if (ar instanceof Number) {
             comp.putClientProperty("caretAspectRatio", ar);
         }

         context.setComponentState(SELECTED | FOCUSED);

         Color s = comp.getSelectionColor();
         if (s == null || s instanceof UIResource) {
             comp.setSelectionColor(
                 style.getColor(context, ColorType.TEXT_BACKGROUND));
         }

         Color sfg = comp.getSelectedTextColor();
         if (sfg == null || sfg instanceof UIResource) {
             comp.setSelectedTextColor(
                 style.getColor(context, ColorType.TEXT_FOREGROUND));
         }

         context.setComponentState(DISABLED);

         Color dfg = comp.getDisabledTextColor();
         if (dfg == null || dfg instanceof UIResource) {
             comp.setDisabledTextColor(
                 style.getColor(context, ColorType.TEXT_FOREGROUND));
         }

         Insets margin = comp.getMargin();
         if (margin == null || margin instanceof UIResource) {
             margin = (Insets)style.get(context, prefix + ".margin");

             if (margin == null) {
                 // Some places assume margins are non-null.
                 margin = SynthLookAndFeel.EMPTY_UIRESOURCE_INSETS;
             }
             comp.setMargin(margin);
         }

         Caret caret = comp.getCaret();
         if (caret instanceof UIResource) {
             Object o = style.get(context, prefix + ".caretBlinkRate");
             if (o != null && o instanceof Integer) {
                 Integer rate = (Integer)o;
                 caret.setBlinkRate(rate.intValue());
             }
         }
     }

     public SynthContext getContext(JComponent c) {
         return getContext(c, getComponentState(c));
     }

     private SynthContext getContext(JComponent c, int state) {
         return SynthContext.getContext(SynthContext.class, c,
                     SynthLookAndFeel.getRegion(c), style, state);
     }

     private int getComponentState(JComponent c) {
         return SynthLookAndFeel.getComponentState(c);
     }

     public void update(Graphics g, JComponent c) {
         SynthContext context = getContext(c);

         SynthLookAndFeel.update(context, g);
         paintBackground(context, g, c);
         paint(context, g);
         context.dispose();
     }

     /**
      * Paints the interface.  This is routed to the
      * paintSafely method under the guarantee that
      * the model won't change from the view of this thread
      * while it's rendering (if the associated model is
      * derived from AbstractDocument).  This enables the
      * model to potentially be updated asynchronously.
      */
     protected void paint(SynthContext context, Graphics g) {
         super.paint(g, getComponent());
     }

     void paintBackground(SynthContext context, Graphics g, JComponent c) {
         context.getPainter().paintTextFieldBackground(context, g, 0, 0,
                                                 c.getWidth(), c.getHeight());
     }

     public void paintBorder(SynthContext context, Graphics g, int x,
                             int y, int w, int h) {
         context.getPainter().paintTextFieldBorder(context, g, x, y, w, h);
     }

     protected void paintBackground(Graphics g) {
         // Overriden to do nothing, all our painting is done from update/paint.
     }

     /**
      * This method gets called when a bound property is changed
      * on the associated JTextComponent.  This is a hook
      * which UI implementations may change to reflect how the
      * UI displays bound properties of JTextComponent subclasses.
      * This is implemented to do nothing (i.e. the response to
      * properties in JTextComponent itself are handled prior
      * to calling this method).
      *
      * @param evt the property change event
      */
     protected void propertyChange(PropertyChangeEvent evt) {
         if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
             updateStyle((JTextComponent)evt.getSource());
         }
         super.propertyChange(evt);
     }

     public void focusGained(FocusEvent e) {
         getComponent().repaint();
     }

     public void focusLost(FocusEvent e) {
         getComponent().repaint();
     }

     protected void installDefaults() {
         // Installs the text cursor on the component
         super.installDefaults();
         updateStyle(getComponent());
         getComponent().addFocusListener(this);
     }

     protected void uninstallDefaults() {
         SynthContext context = getContext(getComponent(), ENABLED);

         getComponent().putClientProperty("caretAspectRatio", null);
         getComponent().removeFocusListener(this);

         style.uninstallDefaults(context);
         context.dispose();
         style = null;
         super.uninstallDefaults();
     }

     public void installUI(JComponent c) {
         super.installUI(c);
     }
 }
	/*
	* Copyright 2002-2006 Sun Microsystems, Inc. All Rights Reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Sun designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Sun in the LICENSE file that accompanied this code.
	*
	* This code 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 General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
	* CA 95054 USA or visit www.sun.com if you need additional information or
	* have any questions.
	*/

	package javax.swing.plaf.synth;

	import javax.swing.*;
	import javax.swing.text.*;
	import javax.swing.event.*;
	import javax.swing.plaf.*;
	import javax.swing.plaf.basic.BasicTextFieldUI;
	import java.awt.*;
	import java.awt.event.FocusEvent;
	import java.awt.event.FocusListener;
	import java.beans.PropertyChangeEvent;

	import sun.swing.plaf.synth.SynthUI;

	/**
	* Basis of a look and feel for a JTextField in the Synth
	* look and feel.
	* <p>
	* <strong>Warning:</strong>
	* Serialized objects of this class will not be compatible with
	* future Swing releases. The current serialization support is
	* appropriate for short term storage or RMI between applications running
	* the same version of Swing. As of 1.4, support for long term storage
	* of all JavaBeans<sup><font size="-2">TM</font></sup>
	* has been added to the <code>java.beans</code> package.
	* Please see {@link java.beans.XMLEncoder}.
	*
	* @author Shannon Hickey
	*/
	class SynthTextFieldUI
	extends BasicTextFieldUI
	implements SynthUI, FocusListener
	{
	private SynthStyle style;

	/**
	* Creates a UI for a JTextField.
	*
	* @param c the text field
	* @return the UI
	*/
	public static ComponentUI createUI(JComponent c) {
	return new SynthTextFieldUI();
	}

	public SynthTextFieldUI() {
	super();
	}

	private void updateStyle(JTextComponent comp) {
	SynthContext context = getContext(comp, ENABLED);
	SynthStyle oldStyle = style;

	style = SynthLookAndFeel.updateStyle(context, this);

	if (style != oldStyle) {
	SynthTextFieldUI.updateStyle(comp, context, getPropertyPrefix());

	if (oldStyle != null) {
	uninstallKeyboardActions();
	installKeyboardActions();
	}
	}
	context.dispose();
	}

	static void updateStyle(JTextComponent comp, SynthContext context,
	String prefix) {
	SynthStyle style = context.getStyle();

	Color color = comp.getCaretColor();
	if (color == null \|\| color instanceof UIResource) {
	comp.setCaretColor(
	(Color)style.get(context, prefix + ".caretForeground"));
	}

	Color fg = comp.getForeground();
	if (fg == null \|\| fg instanceof UIResource) {
	fg = style.getColorForState(context, ColorType.TEXT_FOREGROUND);
	if (fg != null) {
	comp.setForeground(fg);
	}
	}

	Object ar = style.get(context, prefix + ".caretAspectRatio");
	if (ar instanceof Number) {
	comp.putClientProperty("caretAspectRatio", ar);
	}

	context.setComponentState(SELECTED \| FOCUSED);

	Color s = comp.getSelectionColor();
	if (s == null \|\| s instanceof UIResource) {
	comp.setSelectionColor(
	style.getColor(context, ColorType.TEXT_BACKGROUND));
	}

	Color sfg = comp.getSelectedTextColor();
	if (sfg == null \|\| sfg instanceof UIResource) {
	comp.setSelectedTextColor(
	style.getColor(context, ColorType.TEXT_FOREGROUND));
	}

	context.setComponentState(DISABLED);

	Color dfg = comp.getDisabledTextColor();
	if (dfg == null \|\| dfg instanceof UIResource) {
	comp.setDisabledTextColor(
	style.getColor(context, ColorType.TEXT_FOREGROUND));
	}

	Insets margin = comp.getMargin();
	if (margin == null \|\| margin instanceof UIResource) {
	margin = (Insets)style.get(context, prefix + ".margin");

	if (margin == null) {
	// Some places assume margins are non-null.
	margin = SynthLookAndFeel.EMPTY_UIRESOURCE_INSETS;
	}
	comp.setMargin(margin);
	}

	Caret caret = comp.getCaret();
	if (caret instanceof UIResource) {
	Object o = style.get(context, prefix + ".caretBlinkRate");
	if (o != null && o instanceof Integer) {
	Integer rate = (Integer)o;
	caret.setBlinkRate(rate.intValue());
	}
	}
	}

	public SynthContext getContext(JComponent c) {
	return getContext(c, getComponentState(c));
	}

	private SynthContext getContext(JComponent c, int state) {
	return SynthContext.getContext(SynthContext.class, c,
	SynthLookAndFeel.getRegion(c), style, state);
	}

	private int getComponentState(JComponent c) {
	return SynthLookAndFeel.getComponentState(c);
	}

	public void update(Graphics g, JComponent c) {
	SynthContext context = getContext(c);

	SynthLookAndFeel.update(context, g);
	paintBackground(context, g, c);
	paint(context, g);
	context.dispose();
	}

	/**
	* Paints the interface. This is routed to the
	* paintSafely method under the guarantee that
	* the model won't change from the view of this thread
	* while it's rendering (if the associated model is
	* derived from AbstractDocument). This enables the
	* model to potentially be updated asynchronously.
	*/
	protected void paint(SynthContext context, Graphics g) {
	super.paint(g, getComponent());
	}

	void paintBackground(SynthContext context, Graphics g, JComponent c) {
	context.getPainter().paintTextFieldBackground(context, g, 0, 0,
	c.getWidth(), c.getHeight());
	}

	public void paintBorder(SynthContext context, Graphics g, int x,
	int y, int w, int h) {
	context.getPainter().paintTextFieldBorder(context, g, x, y, w, h);
	}

	protected void paintBackground(Graphics g) {
	// Overriden to do nothing, all our painting is done from update/paint.
	}

	/**
	* This method gets called when a bound property is changed
	* on the associated JTextComponent. This is a hook
	* which UI implementations may change to reflect how the
	* UI displays bound properties of JTextComponent subclasses.
	* This is implemented to do nothing (i.e. the response to
	* properties in JTextComponent itself are handled prior
	* to calling this method).
	*
	* @param evt the property change event
	*/
	protected void propertyChange(PropertyChangeEvent evt) {
	if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
	updateStyle((JTextComponent)evt.getSource());
	}
	super.propertyChange(evt);
	}

	public void focusGained(FocusEvent e) {
	getComponent().repaint();
	}

	public void focusLost(FocusEvent e) {
	getComponent().repaint();
	}

	protected void installDefaults() {
	// Installs the text cursor on the component
	super.installDefaults();
	updateStyle(getComponent());
	getComponent().addFocusListener(this);
	}

	protected void uninstallDefaults() {
	SynthContext context = getContext(getComponent(), ENABLED);

	getComponent().putClientProperty("caretAspectRatio", null);
	getComponent().removeFocusListener(this);

	style.uninstallDefaults(context);
	context.dispose();
	style = null;
	super.uninstallDefaults();
	}

	public void installUI(JComponent c) {
	super.installUI(c);
	}
	}