javax.swing.JTree.getBackground()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中javax.swing.JTree.getBackground()方法的一些代码示例，展示了JTree.getBackground()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JTree.getBackground()方法的具体详情如下：
包路径：javax.swing.JTree
类名称：JTree
方法名：getBackground

JTree.getBackground介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

private class Renderer extends DefaultTreeCellRenderer{
   public  Renderer() {
     setOpaque(true);
   }
   @Override
   public Component getTreeCellRendererComponent(JTree tree, Object value,
       boolean selected, boolean expanded, boolean leaf, int row,
       boolean hasFocus) {
     super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
     setBackground(selected ? Color.LIGHT_GRAY : 
       (leaf ? Color.GRAY : tree.getBackground()));
     return this;
   }
 }

代码示例来源：origin: org.appdapter/org.appdapter.lib.gui

@Override public Component getTreeCellRendererComponent(JTree table, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
    return renderComponent(table, value, row, -1, selected, -1, table.getForeground(), table.getBackground());
  }
}

代码示例来源：origin: stackoverflow.com

tree.setCellRenderer(new DefaultTreeCellRenderer() {
  @Override
  public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean isLeaf, int row, boolean focused) {
    JComponent c = (JComponent) super.getTreeCellRendererComponent(tree, value, selected, expanded, isLeaf, row, focused);
    //setBackgroundSelectionColor(Color.BLUE);
    c.setBackground(selected ? Color.BLUE : tree.getBackground());
    c.setOpaque(true);
    return c;
  }
});

代码示例来源：origin: stackoverflow.com

IconValue iconValue = new IconValue() {
  @Override
  public Icon getIcon(Object value) {
    return UIManager.getIcon("FileView.directoryIcon");
  }
};

DefaultTreeRenderer treeCellRenderer = new DefaultTreeRenderer(iconValue) {
  @Override
  public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
    Component c = super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
    if (selected && leaf) {
      c.setBackground(Color.RED);
    } else {
      setBackground(tree.getBackground());
    }
    return c;
  }
};

代码示例来源：origin: org.netbeans.modules/org-netbeans-modules-web-beans

public Component getTreeCellRendererComponent(JTree tree, Object value,
    boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus) {
    JLabel label = (JLabel) super.getTreeCellRendererComponent(tree, value,
        sel, expanded, leaf, row, hasFocus);

    if (!sel) {
      setBackgroundNonSelectionColor(tree.getBackground());
    }

    if (value instanceof JavaElement) {
      JavaElement javaElement  = (JavaElement) value;
      label.setIcon(javaElement.getIcon());
      label.setToolTipText(javaElement.getTooltip());
      label.setEnabled( !javaElement.isDisabled() );
    }

    return label;
  }
}

代码示例来源：origin: org.apache.river.examples/browser

public Component getTreeCellRendererComponent(JTree tree,
            Object value,
            boolean isSelected,
            boolean isExpanded,
            boolean isLeaf,
            int row,
            boolean cellHasFocus){
  //label.setFont(tree.getFont());
  label.setForeground(tree.getForeground());
  if(isSelected){
 //label.setBackground(UIManager.getColor("Tree.backgroundSelectionColor"));
 //label.setForeground(UIManager.getColor("Tree.textSelectionColor"));
 label.setBackground(MetalLookAndFeel.getPrimaryControl());
  } else {
 //label.setBackground(UIManager.getColor("Tree.backgroundNonSelectionColor"));
 //label.setForeground(UIManager.getColor("Tree.textNonSelectionColor"));
 label.setBackground(tree.getBackground());
  }
  ObjectNode node = (ObjectNode) value;
  label.setText(node.getTitle());
  label.setIcon(node.getIcon());
  return label;
 }
}

代码示例来源：origin: jcbvm/i18n-editor

@Override 
  public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, 
      boolean leaf, int row, boolean hasFocus) {
    TranslationTreeNode node = (TranslationTreeNode) value;
    TranslationTreeModel model = (TranslationTreeModel) tree.getModel();
    JLabel l = (JLabel) super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
    l.setOpaque(true);
    l.setForeground(tree.getForeground());
    l.setBackground(tree.getBackground());            	
    if (!node.isRoot() && (node.hasError() || model.hasErrorChildNode(node))) {
      l.setIcon(new TranslationTreeStatusIcon(StatusIconType.Warning));
    }
    if (node.isRoot()) {
      l.setIcon(ROOT_ICON);
    }
    if (selected) {
      l.setBackground(selectionBackground);
    }
    return l;
  }
}

代码示例来源：origin: protegeproject/protege

public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded,
                         boolean leaf, int row, boolean hasFocus) {
    DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
    setFocusedEntity(entity);
    JComponent c = (JComponent) super.getTreeCellRendererComponent(tree,
                                    node.getUserObject(),
                                    sel,
                                    expanded,
                                    leaf,
                                    row,
                                    hasFocus);
    if (node.getUserObject() instanceof OWLAxiom) {
      if (node.getParent().getIndex(node) == node.getParent().getChildCount() - 1) {
        c.setBorder(BorderFactory.createMatteBorder(1, 20, 20, 0, tree.getBackground()));
      }
      else {
        c.setBorder(BorderFactory.createMatteBorder(1, 20, 0, 0, tree.getBackground()));
      }
    }
    else {
      c.setBorder(BorderFactory.createEmptyBorder(1, 0, 0, 0));
    }
    setHighlightKeywords(true);
    return c;
  }
}

代码示例来源：origin: edu.stanford.protege/org.protege.editor.owl

public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded,
                         boolean leaf, int row, boolean hasFocus) {
    DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
    setFocusedEntity(entity);
    JComponent c = (JComponent) super.getTreeCellRendererComponent(tree,
                                    node.getUserObject(),
                                    sel,
                                    expanded,
                                    leaf,
                                    row,
                                    hasFocus);
    if (node.getUserObject() instanceof OWLAxiom) {
      if (node.getParent().getIndex(node) == node.getParent().getChildCount() - 1) {
        c.setBorder(BorderFactory.createMatteBorder(1, 20, 20, 0, tree.getBackground()));
      }
      else {
        c.setBorder(BorderFactory.createMatteBorder(1, 20, 0, 0, tree.getBackground()));
      }
    }
    else {
      c.setBorder(BorderFactory.createEmptyBorder(1, 0, 0, 0));
    }
    setHighlightKeywords(true);
    return c;
  }
}

代码示例来源：origin: edu.stanford.protege/protege-editor-owl

public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded,
                         boolean leaf, int row, boolean hasFocus) {
    DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
    setFocusedEntity(entity);
    JComponent c = (JComponent) super.getTreeCellRendererComponent(tree,
                                    node.getUserObject(),
                                    sel,
                                    expanded,
                                    leaf,
                                    row,
                                    hasFocus);
    if (node.getUserObject() instanceof OWLAxiom) {
      if (node.getParent().getIndex(node) == node.getParent().getChildCount() - 1) {
        c.setBorder(BorderFactory.createMatteBorder(1, 20, 20, 0, tree.getBackground()));
      }
      else {
        c.setBorder(BorderFactory.createMatteBorder(1, 20, 0, 0, tree.getBackground()));
      }
    }
    else {
      c.setBorder(BorderFactory.createEmptyBorder(1, 0, 0, 0));
    }
    setHighlightKeywords(true);
    return c;
  }
}

代码示例来源：origin: org.protege/protege-editor-owl

public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded,
                         boolean leaf, int row, boolean hasFocus) {
    DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
    setFocusedEntity(entity);
    JComponent c = (JComponent) super.getTreeCellRendererComponent(tree,
                                    node.getUserObject(),
                                    sel,
                                    expanded,
                                    leaf,
                                    row,
                                    hasFocus);
    if (node.getUserObject() instanceof OWLAxiom) {
      if (node.getParent().getIndex(node) == node.getParent().getChildCount() - 1) {
        c.setBorder(BorderFactory.createMatteBorder(1, 20, 20, 0, tree.getBackground()));
      }
      else {
        c.setBorder(BorderFactory.createMatteBorder(1, 20, 0, 0, tree.getBackground()));
      }
    }
    else {
      c.setBorder(BorderFactory.createEmptyBorder(1, 0, 0, 0));
    }
    setHighlightKeywords(true);
    return c;
  }
}

代码示例来源：origin: org.fudaa.framework.ctulu/ctulu-ui

public Component getTreeCellRendererComponent(final JTree _tree, final Object _value, final boolean _selected,
  final boolean _expanded, final boolean _leaf, final int _row, final boolean _hasFocus) {
 if (treeSelectionForeground_ == null) {
  treeSelectionForeground_ = UIManager.getColor("Tree.selectionForeground");
 }
 if (treeSelectionBackground_ == null) {
  treeSelectionBackground_ = UIManager.getColor("Tree.selectionBackground");
 }
 if (_selected) {
  setBackground(treeSelectionBackground_);
  setForeground(treeSelectionForeground_);
 } else {
  setBackground(_tree.getBackground());
  setForeground(_tree.getForeground());
 }
 setValue(_value);
 return this;
}

代码示例来源：origin: RPTools/maptool

public Component getTreeCellRendererComponent(JTree tree, Object value,
    boolean sel, boolean expanded, boolean leaf, int row,
    boolean hasFocus) {
  node = (DefaultMutableTreeNode) value;
  mtnode = (MaptoolNode) node.getUserObject();
  setText(mtnode.toString());
  setBackground(tree.getBackground());
  setEnabled(tree.isEnabled());
  setComponentOrientation(tree.getComponentOrientation());
  return this;
}

代码示例来源：origin: UNIVALI-LITE/Portugol-Studio

@Override
  public void paint(Graphics g, JComponent c) {
    JTree tree = (JTree) c;
    
    if(tree.isOpaque()){
      g.setColor(tree.getBackground());
      g.fillRect(0, 0, tree.getWidth(), tree.getHeight());
    }
    if (tree.getSelectionCount() > 0) {
      g.setColor(ColorController.COR_DESTAQUE);
      //@see http://ateraimemo.com/Swing/TreeRowSelection.html
      for (int i : tree.getSelectionRows()) {
        Rectangle r = tree.getRowBounds(i);
        g.fillRect(0, r.y, tree.getWidth(), r.height);
      }
    }
    super.paint(g, c);
    
    if (tree.getLeadSelectionPath() != null) {
      Rectangle r = tree.getRowBounds(getRowForPath(tree, tree.getLeadSelectionPath()));
      g.setColor(tree.hasFocus() ? ColorController.FUNDO_MEDIO.brighter(): ColorController.FUNDO_MEDIO);
//            g.drawRect(0, r.y, tree.getWidth() - 1, r.height - 1);
    }
  }

代码示例来源：origin: org.netbeans.modules/org-netbeans-modules-localhistory

@Override
  public Component getTreeCellRendererComponent(JTree tree, Object value,
  boolean isSelected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
    if(!(value instanceof FileNode)) {
      return this;
    }
    FileNode node = (FileNode) value;
    stringDisplayer = renderer.getTreeCellRendererComponent(tree, 
      node.getText(), isSelected, expanded, leaf, row, hasFocus);

    if(!(value instanceof StoreEntryNode)) {
//            renderer.setIcon (null);
    }
    stringDisplayer.setEnabled(value instanceof StoreEntryNode);

    //HtmlRenderer does not tolerate null colors - real ones are needed to
    //ensure fg/bg always diverge enough to be readable
    if (stringDisplayer.getBackground() == null) {
      stringDisplayer.setBackground (tree.getBackground());
    }
    if (stringDisplayer.getForeground() == null) {
      stringDisplayer.setForeground (tree.getForeground());
    }

    if (check != null) {
      check.setSelected(node.isSelected());
    }
    return this;
  }

代码示例来源：origin: jpcsp/jpcsp

/** Configures a tree cell renderer and sets up sizing and the
 * backing image from it */
public boolean configure (Object nd, JScrollPane tv, JTree tree, TreePath path, int row) {
  setLastRendereredObject(nd);
  setLastRenderedScrollPane (tv);
  Component renderer = null;
  bg = tree.getBackground();
  boolean sel = tree.isSelectionEmpty() ? false :
    tree.getSelectionModel().isPathSelected(path);
  boolean exp = tree.isExpanded(path);
  boolean leaf = !exp && tree.getModel().isLeaf(nd);
  boolean lead = path.equals(tree.getSelectionModel().getLeadSelectionPath());
  renderer = tree.getCellRenderer().getTreeCellRendererComponent(tree, nd, sel, exp, leaf, row, lead);
  if (renderer != null) {
    setComponent (renderer);
  }
  return true;
}

代码示例来源：origin: org.netbeans.api/org-openide-explorer

/** Configures a tree cell renderer and sets up sizing and the 
 * backing image from it */
public boolean configure (Object nd, JScrollPane tv, JTree tree, TreePath path, int row) {
  boolean sameVn = setLastRendereredObject(nd);
  boolean sameComp = setLastRenderedScrollPane (tv);
  Component renderer = null;
  bg = tree.getBackground();
  boolean sel = tree.isSelectionEmpty() ? false :
    tree.getSelectionModel().isPathSelected(path);
  boolean exp = tree.isExpanded(path);
  boolean leaf = !exp && tree.getModel().isLeaf(nd);
  boolean lead = path.equals(tree.getSelectionModel().getLeadSelectionPath());
  renderer = tree.getCellRenderer().getTreeCellRendererComponent(tree, nd, sel, exp, leaf, row, lead);
  if (renderer != null) {
    setComponent (renderer);
  }
  return true;
}

代码示例来源：origin: it.tidalwave.netbeans/it-tidalwave-netbeans-explorer

/*******************************************************************************
 *
 *
 ******************************************************************************/
private void patchRenderer()
 {
  if (Boolean.getBoolean("nb.useSwingHtmlRendering") && !rendererPatched)
   {
    rendererPatched = true;
    final OldPatchedNodeRenderer nodeRenderer = new OldPatchedNodeRenderer(tree.getCellRenderer());
    nodeRenderer.setBackgroundSelectionColor(getColorProperty("Tree.selectionBackground"));
    nodeRenderer.setBackgroundNonSelectionColor(tree.getBackground());
    nodeRenderer.setTextSelectionColor(getColorProperty("Tree.selectionForeground"));
    nodeRenderer.setTextNonSelectionColor(tree.getForeground());
    tree.setCellRenderer(nodeRenderer);
   }
 }

代码示例来源：origin: org.fudaa.framework.ebli/ebli-2d

public Component getTreeCellRendererComponent(final JTree _tree, final Object _value, final boolean _selected,
   final boolean _expanded, final boolean _leaf, final int _row, final boolean _hasFocus) {
  this.setFont(_tree.getFont());
  setIcon(((LayerNode) _value).getIcon());
  setText(_value.toString());
  final boolean selectable = isSelectable(_value, _leaf);
  if (_selected && selectable) {
   setBackground(selectedBackground_);
   setForeground(selectedForground_);
  } else {
   setBackground(_tree.getBackground());
   setForeground(_tree.getForeground());
  }
  if (selectable) {
   setToolTipText(getText());
  } else {
   setToolTipText(getText() + ": " + CtuluLib.getS("Non slectionnable"));
  }
  setBorder((selectable && _hasFocus) ? focusBorderColor_ : CtuluCellRenderer.BORDER_NO_FOCUS);
  setEnabled(_tree.isEnabled());
  return this;
 }
}

代码示例来源：origin: org.fudaa.framework.ebli/ebli-2d

public Component getTreeCellRendererComponent(final JTree _tree, final Object _value, final boolean _selected,
   final boolean _expanded, final boolean _leaf, final int _row, final boolean _hasFocus) {
  this.setFont(_tree.getFont());
  setIcon(((LayerNode) _value).getIcon());
  setText(_value.toString());
  final boolean selectable = isSelectable(_value, _leaf);
  if (_selected && selectable) {
   setBackground(selectedBackground_);
   setForeground(selectedForground_);
  } else {
   setBackground(_tree.getBackground());
   setForeground(_tree.getForeground());
  }
  if (selectable) {
   setToolTipText(getText());
  } else {
   setToolTipText(getText() + ": " + CtuluLib.getS("Non slectionnable"));
  }
  setBorder((selectable && _hasFocus) ? focusBorderColor_ : CtuluCellRenderer.BORDER_NO_FOCUS);
  setEnabled(_tree.isEnabled());
  return this;
 }
}

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