javax.swing.JTree.isRowSelected()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.isRowSelected()方法的一些代码示例，展示了JTree.isRowSelected()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.isRowSelected()方法的具体详情如下：
包路径：javax.swing.JTree
类名称：JTree
方法名：isRowSelected

JTree.isRowSelected介绍

暂无

代码示例

代码示例来源：origin: abbot/abbot

@Override
  public Boolean call() throws Exception {
    return tree.isRowSelected(targetRow);
  }
})) {

代码示例来源：origin: net.sf.jt400/jt400

/**
Indicates if the object is selected.

@param  object The object.
@return true if the object is selected; false otherwise.
**/
  public boolean isSelected (VNode object)
  {
    if (object == null)
      throw new NullPointerException ("object");

    int row = findRow (object);
    if (row > 0)
      return tree_.isRowSelected (row);
    else
      return false;
  }

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

@Override
    protected void showPopup(MouseEvent e) {
      int selRow = tree.getClosestRowForLocation(e.getX(), e.getY());
      if (!tree.isRowSelected(selRow)) {
        tree.setSelectionRow(selRow);
      }
    }
  };

代码示例来源：origin: net.sf.squirrel-sql.thirdpary-non-maven/openide

protected void showPopup (MouseEvent e) {
      int selRow = tree.getRowForLocation(e.getX(), e.getY());
      if (!tree.isRowSelected(selRow)) {
        tree.setSelectionRow(selRow);
      }
    }
};

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/openide

protected void showPopup (MouseEvent e) {
      int selRow = tree.getRowForLocation(e.getX(), e.getY());
      if (!tree.isRowSelected(selRow)) {
        tree.setSelectionRow(selRow);
      }
    }
};

代码示例来源：origin: net.sf.squirrel-sql.thirdpary-non-maven/openide

protected void showPopup (MouseEvent e) {
      int selRow = tree.getRowForLocation(e.getX(), e.getY());

      if (!tree.isRowSelected(selRow)) {
//                try {
//                    manager.setSelectedNodes(new Node[0]); // David's workaround
//                } catch (PropertyVetoException exc) {
//                    ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, exc);
//                }
        // This will set ExplorerManager selection, no need to push
        // it more (the commented out code above).
        tree.setSelectionRow(selRow);
      }

      if (selRow != -1) {
        Point p = SwingUtilities.convertPoint(e.getComponent(),e.getX(), e.getY(),TreeView.this);

        createPopup((int)p.getX(), (int)p.getY());
      }
    }
  }

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/openide

protected void showPopup (MouseEvent e) {
      int selRow = tree.getRowForLocation(e.getX(), e.getY());

      if (!tree.isRowSelected(selRow)) {
//                try {
//                    manager.setSelectedNodes(new Node[0]); // David's workaround
//                } catch (PropertyVetoException exc) {
//                    ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, exc);
//                }
        // This will set ExplorerManager selection, no need to push
        // it more (the commented out code above).
        tree.setSelectionRow(selRow);
      }

      if (selRow != -1) {
        Point p = SwingUtilities.convertPoint(e.getComponent(),e.getX(), e.getY(),TreeView.this);

        createPopup((int)p.getX(), (int)p.getY());
      }
    }
  }

代码示例来源：origin: tulskiy/musique

@Override
protected void paintRow(Graphics g, Rectangle clipBounds, Insets insets, Rectangle bounds, TreePath path, int row, boolean isExpanded, boolean hasBeenExpanded, boolean isLeaf) {
  if (tree.isRowSelected(row)) {
    Color bgColor;
    bgColor = ((DefaultTreeCellRenderer) currentCellRenderer).getBackgroundSelectionColor();
    g.setColor(bgColor);
    g.fillRect(clipBounds.x, bounds.y, clipBounds.width, bounds.height);
  }
  super.paintRow(g, clipBounds, insets, bounds, path, row, isExpanded, hasBeenExpanded, isLeaf);
  if (shouldPaintExpandControl(path, row, isExpanded, hasBeenExpanded, isLeaf)) {
    paintExpandControl(g, clipBounds, insets, bounds,
        path, row, isExpanded,
        hasBeenExpanded, isLeaf);
  }
}

代码示例来源：origin: tulskiy/musique

@Override
protected void paintRow(Graphics g, Rectangle clipBounds, Insets insets, Rectangle bounds, TreePath path, int row, boolean isExpanded, boolean hasBeenExpanded, boolean isLeaf) {
  if (tree.isRowSelected(row)) {
    Color bgColor;
    bgColor = ((DefaultTreeCellRenderer) currentCellRenderer).getBackgroundSelectionColor();
    g.setColor(bgColor);
    g.fillRect(clipBounds.x, bounds.y, clipBounds.width, bounds.height);
  }
  super.paintRow(g, clipBounds, insets, bounds, path, row, isExpanded, hasBeenExpanded, isLeaf);
  if (shouldPaintExpandControl(path, row, isExpanded, hasBeenExpanded, isLeaf)) {
    paintExpandControl(g, clipBounds, insets, bounds,
        path, row, isExpanded,
        hasBeenExpanded, isLeaf);
  }
}

代码示例来源：origin: joel-costigliola/assertj-swing

@Override
 protected Pair<Boolean, Point> executeInEDT() {
  checkEnabledAndShowing(tree);
  Point p = scrollToVisible(tree, row, location);
  boolean selected = (!singleSelectRequired || tree.getSelectionCount() == 1) && tree.isRowSelected(row);
  return Pair.of(selected, p);
 }
});

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: org.netbeans.api/org-openide-explorer

@Override
  protected void showPopup(MouseEvent e) {
    tree.cancelEditing();
    int selRow = tree.getRowForLocation(e.getX(), e.getY());
    if ((selRow == -1) && !isRootVisible()) {
      // clear selection
      try {
        manager.setSelectedNodes(new Node[]{});
      } catch (PropertyVetoException exc) {
        assert false : exc; // not permitted to be thrown
      }
    } else if (!tree.isRowSelected(selRow)) {
      // This will set ExplorerManager selection as well.
      // If selRow == -1 the selection will be cleared.
      tree.setSelectionRow(selRow);
    }
    if ((selRow != -1) || !isRootVisible()) {
      Point p = SwingUtilities.convertPoint(e.getComponent(), e.getX(), e.getY(), TreeView.this);
      createPopup((int) p.getX(), (int) p.getY());
    }
  }
}

代码示例来源：origin: org.zaproxy/zap

/**
 * @see #isButtonEnabledForNumberOfSelectedAlerts(int)
 */
@Override
public boolean isEnableForComponent(Component invoker) {
  if(this.extAlert == null) {
    return false;
  }
  if ("treeAlert".equals(invoker.getName())) {
    setEnabled(!this.extAlert.getAlertPanel().getTreeAlert().isRowSelected(0) && 
        isButtonEnabledForNumberOfSelectedAlerts(getNumberOfSelectedAlerts()));
    return true;
  }
  return false;
}

代码示例来源：origin: info.aduna.commons/aduna-commons-swing

public void paint(Graphics g) {
    boolean selected = tree.isRowSelected(row);
    TreePath path = TreeOverlay.this.path;
    if (path != null) {
      JComponent renderer = (JComponent) tree.getCellRenderer().getTreeCellRendererComponent(tree,
          path.getLastPathComponent(), tree.isRowSelected(row), tree.isExpanded(row),
          tree.getModel().isLeaf(path.getLastPathComponent()), row, selected);
      setFont(tree.getFont());
      Rectangle paintBounds = SwingUtilities.convertRectangle(tree, bounds, this);
      SwingUtilities.paintComponent(g, renderer, this, paintBounds);
      int spacing = 0;
      if (renderer instanceof JLabel) {
        JLabel label = (JLabel) renderer;
        if (label.getIcon() != null) {
          spacing = label.getHorizontalTextPosition() + label.getIconTextGap();
        }
      }
      g.setColor(Color.BLACK);
      g.drawRect(paintBounds.x + spacing, paintBounds.y, paintBounds.width - spacing, paintBounds.height);
    }
  }
}

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: 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: 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: de.sciss/jtreetable

protected void paintTable(Graphics g) {
  treeTableCellRenderer.prepareForTable(g);
  Graphics cg = g.create(0, 0, treeTable.getWidth(), treeTable.getHeight());
  try {
    table.paint(cg);
  } finally {
    cg.dispose();
  }
  
  // JTable doesn't paint anything for the editing cell,
  // so painting the background color is placed here
  if (table.isEditing()) {
    int col = table.getEditingColumn();
    int row = table.getEditingRow();
    boolean sel = treeTableCellRenderer.isSelected(
        tree.isRowSelected(row) && table.isColumnSelected(col));
    TreeTableCellRenderer r = treeTable.getCellRenderer(row, col);
    Component c = r.getTreeTableCellRendererComponent(
          treeTable, null, sel, false, row, col);
    // TODO, create CellRendererPane for TreeTable, for use by the focus renderer too.
    CellRendererPane rp = (CellRendererPane)table.getComponent(0);
    Rectangle cell = table.getCellRect(row, col, true);
    rp.paintComponent(g, c, table, cell.x, cell.y, cell.width, cell.height, true);
    rp.removeAll();
  }
}

代码示例来源：origin: com.github.insubstantial/substance

/**
 * Returns the current state for the specified path.
 * 
 * @param pathId
 *            Path index.
 * @return The current state for the specified path.
 */
public ComponentState getPathState(TreePathId pathId) {
  boolean isEnabled = this.tree.isEnabled();
  StateTransitionTracker tracker = this.stateTransitionMultiTracker
      .getTracker(pathId);
  if (tracker == null) {
    int rowIndex = this.tree.getRowForPath(pathId.path);
    boolean isRollover = (this.currRolloverPathId != null)
        && pathId.equals(this.currRolloverPathId);
    boolean isSelected = this.tree.isRowSelected(rowIndex);
    return ComponentState.getState(isEnabled, isRollover, isSelected);
  } else {
    ComponentState fromTracker = tracker.getModelStateInfo()
        .getCurrModelState();
    return ComponentState.getState(isEnabled, fromTracker
        .isFacetActive(ComponentStateFacet.ROLLOVER), fromTracker
        .isFacetActive(ComponentStateFacet.SELECTION));
  }
}

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

/**
 * Returns the current state for the specified path.
 * 
 * @param pathId
 *            Path index.
 * @return The current state for the specified path.
 */
public ComponentState getPathState(TreePathId pathId) {
  boolean isEnabled = this.tree.isEnabled();
  StateTransitionTracker tracker = this.stateTransitionMultiTracker
      .getTracker(pathId);
  if (tracker == null) {
    int rowIndex = this.tree.getRowForPath(pathId.path);
    boolean isRollover = (this.currRolloverPathId != null)
        && pathId.equals(this.currRolloverPathId);
    boolean isSelected = this.tree.isRowSelected(rowIndex);
    return ComponentState.getState(isEnabled, isRollover, isSelected);
  } else {
    ComponentState fromTracker = tracker.getModelStateInfo()
        .getCurrModelState();
    return ComponentState.getState(isEnabled, fromTracker
        .isFacetActive(ComponentStateFacet.ROLLOVER), fromTracker
        .isFacetActive(ComponentStateFacet.SELECTION));
  }
}

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