本文整理了Java中prefuse.Visualization.items()方法的一些代码示例，展示了Visualization.items()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。Visualization.items()方法的具体详情如下：
包路径：prefuse.Visualization
类名称：Visualization
方法名：items

Visualization.items介绍

[英]Get an iterator over all items, visible or not.
[中]在所有项目上获取迭代器，无论是否可见。

代码示例

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Get an iterator over all items, visible or not.
 * @return an iterator over all items, visible or not.
 */
public Iterator items() {
  return items((Predicate)null);
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Get an iterator over all visible items.
 * @return an iterator over all visible items.
 */
public Iterator visibleItems() {
  return items(VisiblePredicate.TRUE);
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Get an iterator over all visible items in the specified group.
 * @param group the visual data group name
 * @return an iterator over all visible items in the specified group
 */
public Iterator visibleItems(String group) {
  return items(group, VisiblePredicate.TRUE);
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Get an iterator over all items in the specified group.
 * @param group the visual data group name
 * @return an iterator over all items in the specified group.
 */
public Iterator items(String group) {
  return items(group, (Predicate)null);
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Invalidate the bounds of all VisualItems in the given group. This
 * will cause the bounds to be recomputed for all items upon the next
 * redraw.
 * @param group the visual data group to invalidate
 */
public void invalidate(String group) {
  Iterator items = items(group, ValidatedPredicate.TRUE);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem)items.next();
    item.setValidated(false);
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Sets the interactivity status for all items in a given data group
 * matching a given filter predicate.
 * @param group the visual data group name
 * @param p the filter predicate determining which items to modify
 * @param value the interactivity value to set
 */
public void setInteractive(String group, Predicate p, boolean value) {
  Iterator items = items(group, p);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem)items.next();
    item.setInteractive(value);
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Sets the visibility status for all items in a given data group matching
 * a given filter predicate.
 * @param group the visual data group name
 * @param p the filter predicate determining which items to modify
 * @param value the visibility value to set
 */
public void setVisible(String group, Predicate p, boolean value) {
  Iterator items = items(group, p);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem)items.next();
    item.setVisible(value);
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Set a data field value for all items in a given data group matching a
 * given filter predicate.
 * @param group the visual data group name
 * @param p the filter predicate determining which items to modify
 * @param field the data field / column name to set
 * @param val the value to set
 */
public void setValue(String group, Predicate p, String field, Object val) {
  Iterator items = items(group, p);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem)items.next();
    item.set(field, val);
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.action.Action#run(double)
 */
public void run(double frac) {
  Iterator items = m_vis.items(m_group, m_filter);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem)items.next();
    PrefuseLib.updateVisible(item, m_predicate.getBoolean(item));
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.action.Action#run(double)
 */
public void run(double frac) {
  Iterator items = getVisualization().items(m_group, m_predicate);
  while ( items.hasNext() ) {
    process((VisualItem)items.next(), frac);
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Get an iterator over all items in the given group which match the given
 * Predicate filter.
 * @param group the visual data group to iterate over
 * @param filter a Predicate indicating which items should be included in
 * the iteration.
 * @return a filtered iterator over VisualItems
 */
public Iterator items(String group, Predicate filter) {
  if ( ALL_ITEMS.equals(group) )
    return items(filter);
  TupleSet t = getGroup(group);
  return ( t==null ? Collections.EMPTY_LIST.iterator() 
           : t.tuples(filter) );
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Issue a repaint request, causing all displays associated with this
 * visualization to be repainted.
 */
public synchronized void repaint() {
  Iterator items = items(ValidatedPredicate.FALSE);
  while ( items.hasNext() ) {
    ((VisualItem)items.next()).validateBounds();
  }
  for ( int i=0; i<m_displays.size(); ++i ) {
    getDisplay(i).repaint();
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Get an iterator over all items in the given group which match the given
 * filter expression.
 * @param group the visual data group to iterate over
 * @param expr an expression string that should parse to a Predicate
 * indicating which items should be included in the iteration. The input
 * string will be parsed using the
 * {@link prefuse.data.expression.parser.ExpressionParser} class. If a
 * parse error occurs, an empty iterator is returned.
 * @return a filtered iterator over VisualItems
 */
public Iterator items(String group, String expr) {
  Expression e = ExpressionParser.parse(expr);
  if ( !(e instanceof Predicate) || ExpressionParser.getError()!=null )
    return Collections.EMPTY_LIST.iterator();
  return items(group, (Predicate)e);
}

代码示例来源：origin: org.qi4j.tool/org.qi4j.tool.envisage

@Override
  public void run( double frac )
  {
    Iterator iter = m_vis.items( m_group );
    while( iter.hasNext() )
    {
      DecoratorItem item = (DecoratorItem) iter.next();
      VisualItem node = item.getDecoratedItem();
      Rectangle2D bounds = node.getBounds();
      setX( item, node, bounds.getX() + StackedLayout.INSET );
      setY( item, node, bounds.getY() + StackedLayout.INSET + 12 );
    }
  }
} // end of inner class LabelLayout

代码示例来源：origin: org.qi4j.tool/org.qi4j.tool.envisage

@Override
  public void run( double frac )
  {
    super.run( frac );
    // set uses_edges always visible
    Iterator items = m_vis.items( GRAPH_EDGES );
    while( items.hasNext() )
    {
      VisualItem item = (VisualItem) items.next();
      if( item.getBoolean( USES_EDGES ) )
      {
        PrefuseLib.updateVisible( item, true );
      }
    }
  }
}

代码示例来源：origin: neueda/jetbrains-plugin-graph-database-support

@Override
  public void run(double frac) {
    Iterator iter = m_vis.items(m_group);
    while (iter.hasNext()) {
      DecoratorItem decorator = (DecoratorItem) iter.next();
      VisualItem decoratedItem = decorator.getDecoratedItem();
      Rectangle2D bounds = decoratedItem.getBounds();

      double x = bounds.getCenterX();
      double y = bounds.getCenterY();

      setX(decorator, null, x);
      setY(decorator, null, y);
    }
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * @see prefuse.action.Action#run(double)
 */
public void run(double frac) {
  Iterator iter = m_vis.items(m_group);
  while ( iter.hasNext() ) {
    VisualItem item = (VisualItem)iter.next();
    try {
      if ( m_xfield != null )
        setX(item, null, item.getDouble(m_xfield));
      if ( m_yfield != null )
        setY(item, null, item.getDouble(m_yfield));
      if ( m_fixedfield != null )
        item.setFixed(item.getBoolean(m_fixedfield));
    } catch ( Exception e ) {
    }
  }
}

代码示例来源：origin: de.sciss/prefuse-core

private void finish() {
  // set faded-out nodes to permanently invisible
  Iterator items = m_vis.items(m_group, StartVisiblePredicate.TRUE);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem) items.next();
    if ( !item.isEndVisible() ) {
      item.setVisible(false);
      item.setStartVisible(false);
    }
  }
  
  // set faded-in nodes to permanently visible
  items = m_vis.visibleItems(m_group);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem) items.next();
    process(item, 1.0);
    item.setStartFillColor(item.getEndFillColor());
    item.setStartTextColor(item.getEndTextColor());
    item.setStartStrokeColor(item.getEndStrokeColor());
  }
}

代码示例来源：origin: de.sciss/prefuse-core

/**
 * Compute an ordinal axis layout.
 */
protected void ordinalLayout(TupleSet ts) {
  if ( !m_modelSet) {
    Object[] array = DataLib.ordinalArray(ts, m_field);
    
    if ( m_model == null ) {
      m_model = new ObjectRangeModel(array);
    } else {
      ((ObjectRangeModel)m_model).setValueRange(array);
    }
  }
  
  ObjectRangeModel model = (ObjectRangeModel)m_model;
  int start = model.getValue();
  int end = start + model.getExtent();
  double total = (double)(end-start);
  
  Iterator iter = m_vis.items(m_group, m_filter);
  while ( iter.hasNext() ) {
    VisualItem item = (VisualItem)iter.next();
    int order = model.getIndex(item.get(m_field)) - start;
    set(item, (total > 0.0) ? order/total : 0.5);
  }
}

代码示例来源：origin: de.sciss/prefuse-core

private void finish() {
  // set faded-out nodes to permanently invisible
  Iterator items = m_vis.items(m_group, StartVisiblePredicate.TRUE);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem) items.next();
    if ( !item.isEndVisible() ) {
      item.setVisible(false);
      item.setStartVisible(false);
    }
  }
  
  // set faded-in nodes to permanently visible
  items = m_vis.visibleItems(m_group);
  while ( items.hasNext() ) {
    VisualItem item = (VisualItem) items.next();
    if ( !item.isStartVisible() ) {
      item.setStartVisible(true);
      item.setStartFillColor(item.getEndFillColor());
      item.setStartTextColor(item.getEndTextColor());
      item.setStartStrokeColor(item.getEndStrokeColor());
    }
  }
}