javax.swing.tree.TreeCellRenderer类的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中javax.swing.tree.TreeCellRenderer类的一些代码示例，展示了TreeCellRenderer类的具体用法。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。TreeCellRenderer类的具体详情如下：
包路径：javax.swing.tree.TreeCellRenderer
类名称：TreeCellRenderer

TreeCellRenderer介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

path = path.getParentPath(); 
  Object obj1[] = path1.getPath(); 
  Object obj2[] = path2.getPath(); 
  for(int i = 0; i<obj2.length; i++){ 
    if(obj1[i]!=obj2[i]) 
  Component renderer = delegate.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus); 
  TreePath path = tree.getPathForRow(row);            
private JTree tree = new JTree(); 
    selectionModel = new CheckTreeSelectionModel(tree.getModel());

代码示例来源：origin: org.swinglabs.swingx/swingx-all

/**
   * @param row
   * @param isSelected
   */
  protected void initEditorOffset(JTable table, int row, int column,
      boolean isSelected) {
    if (tree == null)
      return;
//        Rectangle bounds = tree.getRowBounds(row);
//        int offset = bounds.x;
    Object node = tree.getPathForRow(row).getLastPathComponent();
    boolean leaf = tree.getModel().isLeaf(node);
    boolean expanded = tree.isExpanded(row);
    TreeCellRenderer tcr = tree.getCellRenderer();
    Component editorComponent = tcr.getTreeCellRendererComponent(tree, node,
        isSelected, expanded, leaf, row, false);

    ((TreeTableTextField) getComponent()).init(row,
        column, table, tree, editorComponent);
  }

代码示例来源：origin: stackoverflow.com

JTree tree = new JTree(createTestTreeModel());
panel.add(new JScrollPane(tree), BorderLayout.CENTER);
while (r < tree.getRowCount())
  tree.expandRow(r);
  r++;
TreeCellRenderer cellRenderer = tree.getCellRenderer();
Component treeCellRendererComponent = 
  cellRenderer.getTreeCellRendererComponent(
    tree, tree.getModel().getRoot(), false, false, false, 1, false);
int rowHeight = treeCellRendererComponent.getPreferredSize().height + 2;
TreePath rootPath = new TreePath(tree.getModel().getRoot());
expandAllRecursively(tree, rootPath);
TreeModel model = tree.getModel();
Object lastPathComponent = treePath.getLastPathComponent();
int childCount = model.getChildCount(lastPathComponent);
if (childCount == 0)

代码示例来源：origin: protegeproject/protege

protected JComponent getRendererComponent() {
  return (JComponent) tree.getCellRenderer().getTreeCellRendererComponent(tree,
      tree.getSelectionPath().getLastPathComponent(),
      false,
      true,
      true,
      0,
      false);
}

代码示例来源：origin: stackoverflow.com

int selRow = tree.getRowForLocation(p.x, p.y);
TreeCellRenderer r = tree.getCellRenderer();
if (selRow != -1 && r != null) {
  TreePath path = tree.getPathForRow(selRow);
  Object lastPath = path.getLastPathComponent();
  Component rComponent = r.getTreeCellRendererComponent(tree, lastPath, tree.isRowSelected(selRow), tree.isExpanded(selRow),
      tree.getModel().isLeaf(lastPath), selRow, true);
  if (rComponent instanceof JEditorPane) {

代码示例来源：origin: org.swinglabs.swingx/swingx-core

@Override
protected RolloverRenderer getRolloverRenderer(Point location, boolean prepare) {
  TreeCellRenderer renderer = component.getCellRenderer();
  RolloverRenderer rollover = renderer instanceof RolloverRenderer 
    ? (RolloverRenderer) renderer : null;
  if ((rollover != null) && !rollover.isEnabled()) {
    rollover = null;
  }
  if ((rollover != null) && prepare) {
    TreePath path = component.getPathForRow(location.y);
    Object element = path != null ? path.getLastPathComponent() : null;
    renderer.getTreeCellRendererComponent(component, element, false, 
        false, false, 
        location.y, false);
  }
  return rollover;
}

代码示例来源：origin: io.ultreia.java4all.jaxx/jaxx-widgets-extra

public Component getRendererComponent() {
  TreeModel treeModel = tree.getModel();
  TreePath treePath = tree.getPathForRow(rowIndex);
  TreeCellRenderer renderer = tree.getCellRenderer();
  boolean isSelected = tree.isPathSelected(treePath);
  boolean isExpanded = tree.isExpanded(treePath);
  boolean hasFocus = tree.hasFocus() && rowIndex == tree.getLeadSelectionRow();
  Object item = treePath.getLastPathComponent();
  boolean isLeaf = treeModel.isLeaf(item);
  Component component = renderer.getTreeCellRendererComponent(tree, item, isSelected, isExpanded, isLeaf, rowIndex, hasFocus);
  component.setFont(tree.getFont());
  // FIX Nimbus white foreground on white background
  if (isSelected) {
    component.setForeground(UIManager.getColor("Tree.textForeground"));
  }
  return component;
}

代码示例来源：origin: javax.help/javahelp

private static Component getComponentAt(JTree tree, int x, int y) {
  try {
    
    TreePath path = tree.getPathForLocation(x, y);
    
    if (tree.isEditing() && tree.getSelectionPath() == path) {
      return null;
    }
    
    int row = tree.getRowForPath(path);
    Object value = path.getLastPathComponent();
    boolean isSelected = tree.isRowSelected(row);
    boolean isExpanded = tree.isExpanded(path);
    boolean isLeaf = tree.getModel().isLeaf(value);
    boolean hasFocus= tree.hasFocus() && tree.getLeadSelectionRow() == row;
    
    return tree.getCellRenderer().getTreeCellRendererComponent(
    tree, value, isSelected, isExpanded, isLeaf, row, hasFocus);
    
  } catch (Exception e) {
    return null;
  }
}

代码示例来源：origin: org.biomoby/taverna-biomoby

public void paint(Graphics g) {
    boolean selected = tree.isRowSelected(row);
    Component renderer = tree
        .getCellRenderer()
        .getTreeCellRendererComponent(
            tree,
            path.getLastPathComponent(),
            tree.isRowSelected(row),
            tree.isExpanded(row),
            tree.getModel().isLeaf(path.getLastPathComponent()),
            row, selected);
    c.setFont(tree.getFont());
    Rectangle paintBounds = SwingUtilities.convertRectangle(tree,
        bounds, this);
    SwingUtilities.paintComponent(g, renderer, this, paintBounds);
    if (selected)
      return;
    g.setColor(Color.blue);
    ((Graphics2D) g).draw(paintBounds);
  }
};

代码示例来源：origin: abbot/abbot

Object value = path.getLastPathComponent();
int row = tree.getRowForPath(path);
Component cr = tree.getCellRenderer().
  getTreeCellRendererComponent(tree, value, false,
                 tree.isExpanded(row), 
                 tree.getModel().isLeaf(value),
                 row, false);
  TreePath parentPath = path.getParentPath();
  if (parentPath != null) {
    Object parent = parentPath.getLastPathComponent();
    int idx = tree.getModel().getIndexOfChild(parent, value);
    int count = 0;

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: org.java.net.substance/substance

if (!this.tree.getComponentOrientation().isLeftToRight()
        && LookUtils.IS_JAVA_5) {
      bounds.x -= 4;
if (this.tree.hasFocus()) {
  TreePath leadPath = this.tree.getLeadSelectionPath();
  leadIndex = this.getRowForPath(this.tree, leadPath);
} else {
    .getTreeCellRendererComponent(this.tree, path
        .getLastPathComponent(), this.tree.isRowSelected(row),
        isExpanded, isLeaf, row, (leadIndex == row));

代码示例来源：origin: org.java.net.substance/substance

Insets insets = tree.getInsets();
    || !tree.isOpaque();
          .getLastPathComponent());
      boolean isExpanded = isLeaf ? false : treeState
          .getExpandedState(path);
      Component renderer = this.currentCellRenderer
          .getTreeCellRendererComponent(this.tree, path
              .getLastPathComponent(), this.tree
              .isRowSelected(row), isExpanded, isLeaf,
              row, tree.hasFocus() ? (tree
                  .getLeadSelectionRow() == row)

代码示例来源：origin: org.netbeans.modules/org-netbeans-lib-profiler-ui

cellRenderer = treeCellRenderer.getTreeCellRendererComponent(JCheckTree.this, currentTreePath.getLastPathComponent(),
                               false, isExpanded(row),
                               getModel().isLeaf(currentTreePath.getLastPathComponent()),
                               row, false);
cellRendererPersistent = ((TreeCellRendererPersistent) treeCellRenderer).getTreeCellRendererComponentPersistent(JCheckTree.this,
                                                        currentTreePath
                                                        .getLastPathComponent(),
                                                        false,
                                                        isExpanded(row),

代码示例来源：origin: net.java.dev.laf-widget/laf-widget

public void dragGestureRecognized(DragGestureEvent dge) {
  if (!TreeDragAndDropWidget.this.jcomp.isEnabled())
    return;
      .getClosestPathForLocation(dge.getDragOrigin().x, dge
          .getDragOrigin().y);
  if (draggedPath == null)
    return;
  TreeNode node = (TreeNode) draggedPath.getLastPathComponent();
  if ((node instanceof MutableTreeNode) && (node.getParent() != null)
      && (node.getParent() instanceof MutableTreeNode))
      TreeDragAndDropWidget.this.jcomp.isExpanded(draggedPath));
  TreeDragAndDropWidget.this.rendererProxy.setDraggedNode(node);
      .getDragOrigin().y
      - dragBounds.y);
  Component component = renderer.getTreeCellRendererComponent(
      TreeDragAndDropWidget.this.jcomp, node, false,
      TreeDragAndDropWidget.this.jcomp.isExpanded(draggedPath),

代码示例来源：origin: robotframework/SwingLibrary

private Component getNodeComponent(Object node, TreePath treePath) {
  int row = tree.getRowForPath(treePath);
  boolean isLeaf = tree.getModel().isLeaf(node);
  boolean hasFocus = tree.getLeadSelectionRow() == row;
  boolean isSelected = tree.isRowSelected(row);
  boolean isExpanded = tree.isExpanded(row);
  TreeCellRenderer cellRenderer = tree.getCellRenderer();
  return cellRenderer.getTreeCellRendererComponent(tree, node, isSelected, isExpanded, isLeaf, row, hasFocus);
}

代码示例来源：origin: khuxtable/seaglass

boolean hasBeenExpanded, boolean isLeaf) {
boolean selected = tree.isRowSelected(row);
JTree.DropLocation dropLocation = tree.getDropLocation();
boolean isDrop = dropLocation != null && dropLocation.getChildIndex() == -1 && path == dropLocation.getPath();
if (tree.isFocusOwner() && row == getLeadSelectionRow()) {
  state |= FOCUSED;
Component component = renderer.getTreeCellRendererComponent(tree, path.getLastPathComponent(), selected, isExpanded, isLeaf, row,
  (leadIndex == row));

代码示例来源：origin: nz.ac.waikato.cms.weka.thirdparty/bounce

protected void paintRow(Graphics g, Rectangle clipBounds,
      Insets insets, Rectangle bounds, TreePath path,
      int row, boolean isExpanded,
      boolean hasBeenExpanded, boolean isLeaf) {
  // Don't paint the renderer if editing this row.
  if (editingComponent != null && editingRow == row) {
    return;
  }
  
  Object object = path.getLastPathComponent();
  
  Component component = currentCellRenderer.getTreeCellRendererComponent(tree, 
              object, tree.isRowSelected(row), 
              isExpanded, isLeaf, row, false); // hasfocus???
  // don't indent the end-tag as far...
  if ( object instanceof ElementEndTreeNode) {
    int indent = getLeftChildIndent() + getRightChildIndent();
    rendererPane.paintComponent(g, component, tree, bounds.x-indent, bounds.y, bounds.width, bounds.height, true);	
  } else {
    rendererPane.paintComponent(g, component, tree, bounds.x, bounds.y, bounds.width, bounds.height, true);	
  }
}

代码示例来源：origin: icza/scelight

final String tip = super.getToolTipText( event );
if ( tip != null )
  return tip;
final TreeNode value = (TreeNode) path.getLastPathComponent();
final Component comp = getCellRenderer().getTreeCellRendererComponent( this, value, isPathSelected( path ), isExpanded( path ), value.isLeaf(),
    getRowForPath( path ), false );
if ( comp instanceof JLabel ) {
  return path.getLastPathComponent().toString();

代码示例来源：origin: icza/scelight

public Point getToolTipLocation( final MouseEvent event ) {
  if ( super.getToolTipText( event ) != null )
    return super.getToolTipLocation( event );
  location.y -= 2;
  final TreeNode value = (TreeNode) path.getLastPathComponent();
  final Component comp = getCellRenderer().getTreeCellRendererComponent( this, value, isPathSelected( path ), isExpanded( path ), value.isLeaf(),
      getRowForPath( path ), false );
  if ( comp instanceof JLabel ) {

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