javax.swing.JList#getCellBounds ( )源码实例Demo

下面列出了javax.swing.JList#getCellBounds ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： Bytecoder 文件： SwingUtilities2.java

/**
 * Returns true if the given point is within the actual bounds of the
 * JList item at index (not just inside the cell).
 */
private static <T> boolean pointIsInActualBounds(JList<T> list, int index,
                                            Point point) {
    ListCellRenderer<? super T> renderer = list.getCellRenderer();
    T value = list.getModel().getElementAt(index);
    Component item = renderer.getListCellRendererComponent(list,
                      value, index, false, false);
    Dimension itemSize = item.getPreferredSize();
    Rectangle cellBounds = list.getCellBounds(index, index);
    if (!item.getComponentOrientation().isLeftToRight()) {
        cellBounds.x += (cellBounds.width - itemSize.width);
    }
    cellBounds.width = itemSize.width;

    return cellBounds.contains(point);
}

源代码2 项目： wpcleaner 文件： AbstractPageListPopupListener.java

/**
 * Show popup menu in response to a key event.
 * 
 * @param e Event.
 */
@Override
protected void showPopup(KeyEvent e) {

  // Retrieve information
  if (!(e.getComponent() instanceof JList)) {
    return;
  }
  JList tmpList = (JList) e.getComponent();
  int position = tmpList.getSelectedIndex();
  if (position < 0) {
    return;
  }
  Object object = tmpList.getModel().getElementAt(position);
  if (!(object instanceof Page)) {
    return;
  }
  Page link = (Page) object;
  Rectangle rect = tmpList.getCellBounds(position, position);
  showPopup(tmpList, link, (int) rect.getMinX(), (int) rect.getMaxY());
}

源代码3 项目： marathonv5 文件： JideCheckBoxListItemElement.java

public static boolean clicksInCheckBox(Point e, JList list) {
    int index = list.locationToIndex(e);
    int hotspot = new JCheckBox().getPreferredSize().width;
    Rectangle bounds = list.getCellBounds(index, index);
    if (bounds != null) {
        if (list.getComponentOrientation().isLeftToRight()) {
            return e.getX() < bounds.x + hotspot;
        } else {
            return e.getX() > bounds.x + bounds.width - hotspot;
        }
    } else {
        return false;
    }
}

源代码4 项目： netbeans 文件： ViewTooltips.java

private void showJList (JScrollPane view, Point pt) {
    JList list = (JList) view.getViewport().getView();
    Point p = SwingUtilities.convertPoint(view, pt.x, pt.y, list);
    int row = list.locationToIndex(p);
    if (row == -1) {
        hide();
        return;
    }
    Rectangle bds = list.getCellBounds(row, 
            row);
    //GetCellBounds returns a width that is the
    //full component width;  we want only what
    //the renderer really needs.
    ListCellRenderer ren = list.getCellRenderer();
    Dimension rendererSize = 
            ren.getListCellRendererComponent(list, 
            list.getModel().getElementAt(row), 
            row, false, false).getPreferredSize();
    
    bds.width = rendererSize.width;
    if (bds == null || !bds.contains(p)) {
        hide();
        return;
    }
    if (setCompAndRow (list, row)) {
        Rectangle visible = getShowingRect (view);
        Rectangle[] rects = getRects (bds, visible);
        if (rects.length > 0) {
            ensureOldPopupsHidden();
            painter.configure(
                    list.getModel().getElementAt(row), 
                    view, list, row);
            showPopups (rects, bds, visible, list, view);
        } else {
            hide();
        }
    }
}

源代码5 项目： pumpernickel 文件： AquaAudioListUI.java

@Override
public Point getLocation(JList list, Object value, int row,
		boolean isSelected, boolean cellHasFocus) {
	Rectangle r = list.getCellBounds(row, row);
	return new Point(r.width / 2 - icon.getIconWidth() / 2, r.height
			/ 2 - icon.getIconHeight() / 2 - 10);
}

源代码6 项目： netbeans 文件： ComboBoxAutoCompleteSupport.java

private void matchSelection( DocumentEvent e ) {
    if( isIgnoreSelectionEvents( combo ) )
        return;
    try {
        setIgnoreSelectionEvents( combo, true );
        if( !combo.isDisplayable() )
            return;
        String editorText;
        try {
            editorText = e.getDocument().getText( 0, e.getDocument().getLength() );
        } catch( BadLocationException ex ) {
            //ignore
            return;
        }

        if( null != combo.getSelectedItem() && combo.getSelectedItem().toString().equals(editorText) )
            return;

        if( !combo.isPopupVisible() ) {
            combo.showPopup();
        }

        JList list = getPopupList( combo );
        if( null == list )
            return;

        int matchIndex = findMatch( combo, editorText );

        if( matchIndex >= 0 ) {
            list.setSelectedIndex( matchIndex );
            Rectangle rect = list.getCellBounds(matchIndex, matchIndex);
            if( null != rect )
                list.scrollRectToVisible( rect );
        } else {
            list.clearSelection();
            list.scrollRectToVisible( new Rectangle( 1, 1 ) );
        }
    } finally {
        setIgnoreSelectionEvents( combo, false );
    }
}

源代码7 项目： netbeans 文件： ComboBoxAutoCompleteSupport.java

private void matchSelection( DocumentEvent e ) {
    if( isIgnoreSelectionEvents( combo ) )
        return;
    try {
        setIgnoreSelectionEvents( combo, true );
        if( !combo.isDisplayable() )
            return;
        String editorText;
        try {
            editorText = e.getDocument().getText( 0, e.getDocument().getLength() );
        } catch( BadLocationException ex ) {
            //ignore
            return;
        }

        if( null != combo.getSelectedItem() && combo.getSelectedItem().toString().equals(editorText) )
            return;

        if( !combo.isPopupVisible() ) {
            combo.showPopup();
        }

        JList list = getPopupList( combo );
        if( null == list )
            return;

        int matchIndex = findMatch( combo, editorText );

        if( matchIndex >= 0 ) {
            list.setSelectedIndex( matchIndex );
            Rectangle rect = list.getCellBounds(matchIndex, matchIndex);
            if( null != rect )
                list.scrollRectToVisible( rect );
        } else {
            list.clearSelection();
            list.scrollRectToVisible( new Rectangle( 1, 1 ) );
        }
    } finally {
        setIgnoreSelectionEvents( combo, false );
    }
}

源代码8 项目： pumpernickel 文件： CloseDecoration.java

@Override
public Point getLocation(JList list, Object value, int row,
		boolean isSelected, boolean cellHasFocus) {
	Rectangle r = list.getCellBounds(row, row);
	return new Point(r.width - normalIcon.getIconWidth() - 2, 2);
}