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

JTree.getClosestRowForLocation介绍

暂无

代码示例

代码示例来源：origin: INRIA/spoon

@Override
public void mousePressed(MouseEvent e) {
  getJTree().setSelectionRow(
      getJTree().getClosestRowForLocation(e.getX(), e.getY()));
  maybeShowPopup(e);
}

代码示例来源：origin: dsukhoroslov/bagri

public int getClosestRowForLocation(int x, int y) {
  return tree.getClosestRowForLocation(x, y);
}

代码示例来源：origin: chatty/chatty

@Override
  public void mousePressed(MouseEvent e) {
    int row = tree.getClosestRowForLocation(e.getX(), e.getY());
    if (row != -1) {
      tree.setSelectionRow(row);
    }
  }
});

代码示例来源：origin: org.icepdf.os/icepdf-viewer

@Override
  public void mouseClicked(MouseEvent e) {
    if (SwingUtilities.isRightMouseButton(e)) {
      int row = commentTree.getClosestRowForLocation(e.getX(), e.getY());
      commentTree.setSelectionRow(row);
      contextMenu.show(e.getComponent(), e.getX(), e.getY());
    }
  }
}

代码示例来源：origin: com.haulmont.thirdparty/swingx-core

@Override
protected void updateRolloverPoint(JComponent component, Point mousePoint) {
  JTree tree = (JTree) component;
  int row = tree.getClosestRowForLocation(mousePoint.x, mousePoint.y);
  Rectangle bounds = tree.getRowBounds(row);
  if (bounds == null) {
    row = -1;
  } else {
    if ((bounds.y + bounds.height < mousePoint.y)
        || bounds.x > mousePoint.x) {
      row = -1;
    }
  }
  int col = row < 0 ? -1 : 0;
  rollover.x = col;
  rollover.y = row;
}

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

@Override
protected void updateRolloverPoint(JComponent component, Point mousePoint) {
  JTree tree = (JTree) component;
  int row = tree.getClosestRowForLocation(mousePoint.x, mousePoint.y);
  Rectangle bounds = tree.getRowBounds(row);
  if (bounds == null) {
    row = -1;
  } else {
    if ((bounds.y + bounds.height < mousePoint.y)
        || bounds.x > mousePoint.x) {
      row = -1;
    }
  }
  int col = row < 0 ? -1 : 0;
  rollover.x = col;
  rollover.y = row;
}

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

@Override
protected void updateRolloverPoint(JComponent component, Point mousePoint) {
  JTree tree = (JTree) component;
  int row = tree.getClosestRowForLocation(mousePoint.x, mousePoint.y);
  Rectangle bounds = tree.getRowBounds(row);
  if (bounds == null) {
    row = -1;
  } else {
    if ((bounds.y + bounds.height < mousePoint.y)
        || bounds.x > mousePoint.x) {
      row = -1;
    }
  }
  int col = row < 0 ? -1 : 0;
  rollover.x = col;
  rollover.y = row;
}

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

@Override
protected void updateRolloverPoint(JComponent component, Point mousePoint) {
  JTree tree = (JTree) component;
  int row = tree.getClosestRowForLocation(mousePoint.x, mousePoint.y);
  Rectangle bounds = tree.getRowBounds(row);
  if (bounds == null) {
    row = -1;
  } else {
    if ((bounds.y + bounds.height < mousePoint.y)
        || bounds.x > mousePoint.x) {
      row = -1;
    }
  }
  int col = row < 0 ? -1 : 0;
  rollover.x = col;
  rollover.y = row;
}

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: stackoverflow.com

import java.awt.Rectangle;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
public class JTreeTools {
  public static List<TreeNode> getVisibleNodes(JScrollPane hostingScrollPane, JTree hostingJTree){
    //Find the first and last visible row within the scroll pane.
    final Rectangle visibleRectangle = hostingScrollPane.getViewport().getViewRect();
    final int firstRow = hostingJTree.getClosestRowForLocation(visibleRectangle.x, visibleRectangle.y);
    final int lastRow  = hostingJTree.getClosestRowForLocation(visibleRectangle.x, visibleRectangle.y + visibleRectangle.height);   
    //Iterate through each visible row, identify the object at this row, and add it to a result list.
    List<TreeNode> resultList = new ArrayList<TreeNode>();          
    for (int currentRow = firstRow; currentRow<=lastRow; currentRow++){
      TreePath currentPath = hostingJTree.getPathForRow(currentRow);
      Object lastPathObject = currentPath.getLastPathComponent();
      if (lastPathObject instanceof TreeNode){
        resultList.add((TreeNode)lastPathObject);               
      }           
    }
    return(resultList);
  }   
}

代码示例来源：origin: org.apache.jmeter/ApacheJMeter_components

@Override
public void mouseClicked(MouseEvent e) {
  if (SwingUtilities.isRightMouseButton(e)) {
    int x = e.getX();
    int y = e.getY();
    JTree tree = (JTree) e.getSource();
    int rowIndex = tree.getClosestRowForLocation(x, y);
    if (rowIndex > -1) {
      tree.setSelectionRow(rowIndex);
      popupMenu.show(tree, x, y);
    }
  }
}

代码示例来源：origin: tinyMediaManager/tinyMediaManager

private void maybeShowPopup(MouseEvent e) {
  if (e.isPopupTrigger()) {
   boolean selected = false;
   // check the selected rows
   int row = tree.getClosestRowForLocation(e.getPoint().x, e.getPoint().y);

   TreePath[] paths = tree.getSelectionPaths();

   // filter out all objects from the selection
   if (paths != null) {
    for (TreePath path : paths) {
     if (path.getPathCount() > 1) {
      if (tree.getRowForPath(path) == row) {
       selected = true;
      }
     }
    }
   }

   // if the row, which has been right clicked is not selected - select it
   if (!selected) {
    tree.getSelectionModel().setSelectionPath(tree.getPathForRow(row));
   }

   popup.show(e.getComponent(), e.getX(), e.getY());
  }
 }
}

代码示例来源：origin: net.openhft/spoon-core

public void mousePressed(MouseEvent e) {
  getJTree().setSelectionRow(
      getJTree().getClosestRowForLocation(e.getX(), e.getY()));
  maybeShowPopup(e);
}

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

@Override
public void mousePressed(MouseEvent e) {
  JTree tree = (JTree) e.getComponent();
  Point mousePoint = e.getPoint();
  int labelRow = tree.getRowForLocation(mousePoint.x, mousePoint.y);
  // default selection
  if (labelRow >= 0)
    return;
  int row = tree.getClosestRowForLocation(mousePoint.x, mousePoint.y);
  Rectangle bounds = tree.getRowBounds(row);
  if (bounds == null) {
    row = -1;
  } else {
    if ((bounds.y + bounds.height < mousePoint.y)
        || bounds.x > mousePoint.x) {
      row = -1;
    }
  }
  // no hit
  if (row < 0)
    return;
  tree.dispatchEvent(new MouseEvent(tree, e.getID(), e.getWhen(), e
      .getModifiers(), bounds.x + bounds.width - 2, mousePoint.y, e
      .getClickCount(), e.isPopupTrigger(), e.getButton()));
}

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

@Override
public void mousePressed(MouseEvent e) {
  JTree tree = (JTree) e.getComponent();
  Point mousePoint = e.getPoint();
  int labelRow = tree.getRowForLocation(mousePoint.x, mousePoint.y);
  // default selection
  if (labelRow >= 0)
    return;
  int row = tree.getClosestRowForLocation(mousePoint.x, mousePoint.y);
  Rectangle bounds = tree.getRowBounds(row);
  if (bounds == null) {
    row = -1;
  } else {
    if ((bounds.y + bounds.height < mousePoint.y)
        || bounds.x > mousePoint.x) {
      row = -1;
    }
  }
  // no hit
  if (row < 0)
    return;
  tree.dispatchEvent(new MouseEvent(tree, e.getID(), e.getWhen(), e
      .getModifiers(), bounds.x + bounds.width - 2, mousePoint.y, e
      .getClickCount(), e.isPopupTrigger(), e.getButton()));
}

代码示例来源：origin: com.haulmont.thirdparty/swingx-core

@Override
public void mousePressed(MouseEvent e) {
  JTree tree = (JTree) e.getComponent();
  Point mousePoint = e.getPoint();
  int labelRow = tree.getRowForLocation(mousePoint.x, mousePoint.y);
  // default selection
  if (labelRow >= 0)
    return;
  int row = tree.getClosestRowForLocation(mousePoint.x, mousePoint.y);
  Rectangle bounds = tree.getRowBounds(row);
  if (bounds == null) {
    row = -1;
  } else {
    if ((bounds.y + bounds.height < mousePoint.y)
        || bounds.x > mousePoint.x) {
      row = -1;
    }
  }
  // no hit
  if (row < 0)
    return;
  tree.dispatchEvent(new MouseEvent(tree, e.getID(), e.getWhen(), e
      .getModifiers(), bounds.x + bounds.width - 2, mousePoint.y, e
      .getClickCount(), e.isPopupTrigger(), e.getButton()));
}

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

@Override
public void mousePressed(MouseEvent e) {
  JTree tree = (JTree) e.getComponent();
  Point mousePoint = e.getPoint();
  int labelRow = tree.getRowForLocation(mousePoint.x, mousePoint.y);
  // default selection
  if (labelRow >= 0)
    return;
  int row = tree.getClosestRowForLocation(mousePoint.x, mousePoint.y);
  Rectangle bounds = tree.getRowBounds(row);
  if (bounds == null) {
    row = -1;
  } else {
    if ((bounds.y + bounds.height < mousePoint.y)
        || bounds.x > mousePoint.x) {
      row = -1;
    }
  }
  // no hit
  if (row < 0)
    return;
  tree.dispatchEvent(new MouseEvent(tree, e.getID(), e.getWhen(), e
      .getModifiers(), bounds.x + bounds.width - 2, mousePoint.y, e
      .getClickCount(), e.isPopupTrigger(), e.getButton()));
}

代码示例来源：origin: jpcsp/jpcsp

private void showJTree (JScrollPane view, Point pt) {
  JTree tree = (JTree) view.getViewport().getView();
  Point p = SwingUtilities.convertPoint(view, pt.x, pt.y, tree);
  int row = tree.getClosestRowForLocation(p.x, p.y);
  TreePath path = tree.getClosestPathForLocation(p.x, p.y);
  Rectangle bds = tree.getPathBounds(path);
  if (bds == null || !bds.contains(p)) {
    hide();
    return;
  }
  if (setCompAndRow (tree, row)) {
    Rectangle visible = getShowingRect (view);
    Rectangle[] rects = getRects (bds, visible);
    if (rects.length > 0) {
      ensureOldPopupsHidden();
      painter.configure(path.getLastPathComponent(),
          view, tree, path, row);
      showPopups (rects, bds, visible, tree, view);
    } else {
      hide();
    }
  }
}

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

pt.x, pt.y, tree);
int row = tree.getClosestRowForLocation(
    p.x, p.y);

代码示例来源：origin: abbot/abbot

@Override
  public JTreeLocation call() {
    JTree tree = (JTree)c;
    if (tree.getRowCount() == 0)
      return new JTreeLocation(p);
    Rectangle rect = tree.getRowBounds(tree.getRowCount()-1);
    int maxY = rect.y + rect.height;
    if (p.y > maxY)
      return new JTreeLocation(p);
    // TODO: ignore clicks to the left of the expansion control, or maybe
    // embed them in the location.
    TreePath path = tree.getClosestPathForLocation(p.x, p.y);
    TreePath stringPath = pathToStringPath(tree, path);
    if (stringPath != null) {
      // if the root is hidden, drop it from the path
      if (!tree.isRootVisible()) {
        Object[] objs = stringPath.getPath();
        Object[] subs = new Object[objs.length-1];
        System.arraycopy(objs, 1, subs, 0, subs.length);
        stringPath = new TreePath(subs);
      }
      return new JTreeLocation(stringPath);
    }
    int row = tree.getClosestRowForLocation(p.x, p.y);
    if (row != -1) {
      return new JTreeLocation(row);
    }
    return new JTreeLocation(p);
  }
});

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