Java DragSourceContext.setCursor方法代码示例

import java.awt.dnd.DragSourceContext; //导入方法依赖的package包/类
@Override
public void dragOver(DragSourceDragEvent dsde) {
    DragSourceContext context = dsde.getDragSourceContext();
    
    if (!checkDropValid()) {
        context.setCursor(DragSource.DefaultMoveNoDrop);
        return;
    }
    
    switch (dsde.getDropAction()) {
        case DnDConstants.ACTION_MOVE:
            context.setCursor(DragSource.DefaultMoveDrop);
            break;
        case DnDConstants.ACTION_COPY:
            context.setCursor(DragSource.DefaultCopyDrop);
            break;
        default:
            context.setCursor(DragSource.DefaultMoveNoDrop);
            break;
    }
}
 

import java.awt.dnd.DragSourceContext; //导入方法依赖的package包/类
/**
 * This method is called when a drag enters (over) the component with
 * this listener.
 *
 * @param  e the <code>DragSourceEvent</code> event
 */
public void dragEnter(final DragSourceDragEvent e) {

    // Grag the DragSourceContext from the event
    final DragSourceContext context = e.getDragSourceContext();

    // Get the action from the event
    final int myaction = e.getDropAction();

    // Check to make sure it is compatible with any actions in this listener
    if ((myaction & DnDConstants.ACTION_COPY) != 0) {
        context.setCursor(DragSource.DefaultCopyDrop);
    }
    else {
        context.setCursor(DragSource.DefaultCopyNoDrop);
    }
}
 

import java.awt.dnd.DragSourceContext; //导入方法依赖的package包/类
public void dragMouseMoved(DragSourceDragEvent e) {
    DragSourceContext context = e.getDragSourceContext();
    if( isButtonDrag ) {
        int action = e.getDropAction();
        if ((action & DnDConstants.ACTION_MOVE) != 0) {
            context.setCursor( dragMoveCursor );
        } else {
            if( isInToolbarPanel( e.getLocation() ) ) {
                context.setCursor( dragNoDropCursor );
            } else {
                context.setCursor( dragRemoveCursor );
            }
        }
    } else if( isToolbarDrag && null != dragWindow ) {
        Point p = new Point( e.getLocation() );
        p.x -= startingPoint.x;
        p.y -= startingPoint.y;
        dragWindow.setLocation(p);
        context.setCursor( Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR) );

        ToolbarRow row = config.getToolbarRowAt( e.getLocation() );
        if( null == row && (sourceRow.countVisibleToolbars() > 1 || !config.isLastRow(sourceRow)) ) {
            row = config.maybeAddEmptyRow( e.getLocation() );
        }

        ToolbarRow oldRow = currentRow;
        currentRow = row;
        if( null != oldRow && oldRow != currentRow ) {
            oldRow.hideDropFeedback();
            config.repaint();
        }
        if( null != currentRow )
            currentRow.showDropFeedback( sourceContainer, e.getLocation(), dragImage );
        if( !config.isLastRow(currentRow) )
            config.maybeRemoveLastRow();
    }
}
 

import java.awt.dnd.DragSourceContext; //导入方法依赖的package包/类
public void dragEnter(DragSourceDragEvent e)
{
  DragSourceContext ctx = e.getDragSourceContext();

  int action = e.getDropAction();
  if ((action & DnDConstants.ACTION_COPY) != 0)
    ctx.setCursor(DragSource.DefaultCopyDrop);
  else
    ctx.setCursor(DragSource.DefaultCopyNoDrop);
}
 

import java.awt.dnd.DragSourceContext; //导入方法依赖的package包/类
/**
 * Drag target entered.
 *
 * @param evt
 *            Drag event
 */
@Override
public void dragEnter(DragSourceDragEvent evt) {
	// Show drag cursor
	DragSourceContext ctx = evt.getDragSourceContext();
	ctx.setCursor(cursor);
}
 

import java.awt.dnd.DragSourceContext; //导入方法依赖的package包/类
public void dragEnter(DragSourceDragEvent event) {
    DragSourceContext context = event.getDragSourceContext(); // Q: do i need to do any of this?
    int myAction = event.getDropAction();
    if ((myAction & DnDConstants.ACTION_COPY) != 0)
	context.setCursor(DragSource.DefaultCopyDrop);
    else
	context.setCursor(DragSource.DefaultMoveDrop);
    // context.setCursor(DragSource.DefaultCopyNoDrop);
}
 

import java.awt.dnd.DragSourceContext; //导入方法依赖的package包/类
@Override
public void dragExit(DragSourceEvent dsde) {
    DragSourceContext context = dsde.getDragSourceContext();
    context.setCursor(DragSource.DefaultMoveNoDrop);
}
 

import java.awt.dnd.DragSourceContext; //导入方法依赖的package包/类
@Override
public void dragEnter(DragSourceDragEvent evt)
{
    DragSourceContext ctx = evt.getDragSourceContext();
    ctx.setCursor(cursor);
}
 

import java.awt.dnd.DragSourceContext; //导入方法依赖的package包/类
@Override
public void dragExit(DragSourceEvent evt)
{
    DragSourceContext ctx = evt.getDragSourceContext();
    ctx.setCursor(DragSource.DefaultCopyNoDrop);
}
 

import java.awt.dnd.DragSourceContext; //导入方法依赖的package包/类
/**
 * Drag target exited.
 *
 * @param evt
 *            Drag event
 */
public void dragExit(DragSourceDragEvent evt) {
	// Show no drop cursor
	DragSourceContext ctx = evt.getDragSourceContext();
	ctx.setCursor(DragSource.DefaultCopyNoDrop);
}