jdk/src/share/classes/javax/swing/JToolTip.java

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   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 
  27 package javax.swing;

  28 import javax.swing.plaf.*;
  29 import javax.accessibility.*;
  30 

  31 import java.io.ObjectOutputStream;
  32 import java.io.ObjectInputStream;
  33 import java.io.IOException;
  34 import java.util.Objects;
  35 
  36 
  37 /**
  38  * Used to display a "Tip" for a Component. Typically components provide api
  39  * to automate the process of using <code>ToolTip</code>s.
  40  * For example, any Swing component can use the <code>JComponent</code>
  41  * <code>setToolTipText</code> method to specify the text
  42  * for a standard tooltip. A component that wants to create a custom
  43  * <code>ToolTip</code>
  44  * display can override <code>JComponent</code>'s <code>createToolTip</code>
  45  * method and use a subclass of this class.
  46  * <p>
  47  * See <a href="http://docs.oracle.com/javase/tutorial/uiswing/components/tooltip.html">How to Use Tool Tips</a>
  48  * in <em>The Java Tutorial</em>
  49  * for further documentation.
  50  * <p>


 104     }
 105 
 106 
 107     /**
 108      * Returns the name of the L&amp;F class that renders this component.
 109      *
 110      * @return the string "ToolTipUI"
 111      * @see JComponent#getUIClassID
 112      * @see UIDefaults#getUI
 113      */
 114     public String getUIClassID() {
 115         return uiClassID;
 116     }
 117 
 118 
 119     /**
 120      * Sets the text to show when the tool tip is displayed.
 121      * The string <code>tipText</code> may be <code>null</code>.
 122      *
 123      * @param tipText the <code>String</code> to display
 124      * @beaninfo
 125      *    preferred: true
 126      *        bound: true
 127      *  description: Sets the text of the tooltip
 128      */


 129     public void setTipText(String tipText) {
 130         String oldValue = this.tipText;
 131         this.tipText = tipText;
 132         firePropertyChange("tiptext", oldValue, tipText);
 133 
 134         if (!Objects.equals(oldValue, tipText)) {
 135             revalidate();
 136             repaint();
 137         }
 138     }
 139 
 140     /**
 141      * Returns the text that is shown when the tool tip is displayed.
 142      * The returned value may be <code>null</code>.
 143      *
 144      * @return the <code>String</code> that is displayed
 145      */
 146     public String getTipText() {
 147         return tipText;
 148     }
 149 
 150     /**
 151      * Specifies the component that the tooltip describes.
 152      * The component <code>c</code> may be <code>null</code>
 153      * and will have no effect.
 154      * <p>
 155      * This is a bound property.
 156      *
 157      * @param c the <code>JComponent</code> being described
 158      * @see JComponent#createToolTip
 159      * @beaninfo
 160      *       bound: true
 161      * description: Sets the component that the tooltip describes.
 162      */


 163     public void setComponent(JComponent c) {
 164         JComponent oldValue = this.component;
 165 
 166         component = c;
 167         firePropertyChange("component", oldValue, c);
 168     }
 169 
 170     /**
 171      * Returns the component the tooltip applies to.
 172      * The returned value may be <code>null</code>.
 173      *
 174      * @return the component that the tooltip describes
 175      *
 176      * @see JComponent#createToolTip
 177      */
 178     public JComponent getComponent() {
 179         return component;
 180     }
 181 
 182     /**




   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 
  27 package javax.swing;
  28 
  29 import javax.swing.plaf.*;
  30 import javax.accessibility.*;
  31 
  32 import java.beans.BeanProperty;
  33 import java.io.ObjectOutputStream;
  34 import java.io.ObjectInputStream;
  35 import java.io.IOException;
  36 import java.util.Objects;
  37 
  38 
  39 /**
  40  * Used to display a "Tip" for a Component. Typically components provide api
  41  * to automate the process of using <code>ToolTip</code>s.
  42  * For example, any Swing component can use the <code>JComponent</code>
  43  * <code>setToolTipText</code> method to specify the text
  44  * for a standard tooltip. A component that wants to create a custom
  45  * <code>ToolTip</code>
  46  * display can override <code>JComponent</code>'s <code>createToolTip</code>
  47  * method and use a subclass of this class.
  48  * <p>
  49  * See <a href="http://docs.oracle.com/javase/tutorial/uiswing/components/tooltip.html">How to Use Tool Tips</a>
  50  * in <em>The Java Tutorial</em>
  51  * for further documentation.
  52  * <p>


 106     }
 107 
 108 
 109     /**
 110      * Returns the name of the L&amp;F class that renders this component.
 111      *
 112      * @return the string "ToolTipUI"
 113      * @see JComponent#getUIClassID
 114      * @see UIDefaults#getUI
 115      */
 116     public String getUIClassID() {
 117         return uiClassID;
 118     }
 119 
 120 
 121     /**
 122      * Sets the text to show when the tool tip is displayed.
 123      * The string <code>tipText</code> may be <code>null</code>.
 124      *
 125      * @param tipText the <code>String</code> to display




 126      */
 127     @BeanProperty(preferred = true, description
 128             = "Sets the text of the tooltip")
 129     public void setTipText(String tipText) {
 130         String oldValue = this.tipText;
 131         this.tipText = tipText;
 132         firePropertyChange("tiptext", oldValue, tipText);
 133 
 134         if (!Objects.equals(oldValue, tipText)) {
 135             revalidate();
 136             repaint();
 137         }
 138     }
 139 
 140     /**
 141      * Returns the text that is shown when the tool tip is displayed.
 142      * The returned value may be <code>null</code>.
 143      *
 144      * @return the <code>String</code> that is displayed
 145      */
 146     public String getTipText() {
 147         return tipText;
 148     }
 149 
 150     /**
 151      * Specifies the component that the tooltip describes.
 152      * The component <code>c</code> may be <code>null</code>
 153      * and will have no effect.
 154      * <p>
 155      * This is a bound property.
 156      *
 157      * @param c the <code>JComponent</code> being described
 158      * @see JComponent#createToolTip



 159      */
 160     @BeanProperty(description
 161             = "Sets the component that the tooltip describes.")
 162     public void setComponent(JComponent c) {
 163         JComponent oldValue = this.component;
 164 
 165         component = c;
 166         firePropertyChange("component", oldValue, c);
 167     }
 168 
 169     /**
 170      * Returns the component the tooltip applies to.
 171      * The returned value may be <code>null</code>.
 172      *
 173      * @return the component that the tooltip describes
 174      *
 175      * @see JComponent#createToolTip
 176      */
 177     public JComponent getComponent() {
 178         return component;
 179     }
 180 
 181     /**