prefuse.Visualization.items()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
字(8.2k)|赞(0)|评价(0)|浏览(154)

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

  1. /**
  2.  * Get an iterator over all items, visible or not.
  3.  * @return an iterator over all items, visible or not.
  4.  */
  5. public Iterator items() {
  6.   return items((Predicate)null);
  7. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Get an iterator over all visible items.
  3.  * @return an iterator over all visible items.
  4.  */
  5. public Iterator visibleItems() {
  6.   return items(VisiblePredicate.TRUE);
  7. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Get an iterator over all visible items in the specified group.
  3.  * @param group the visual data group name
  4.  * @return an iterator over all visible items in the specified group
  5.  */
  6. public Iterator visibleItems(String group) {
  7.   return items(group, VisiblePredicate.TRUE);
  8. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Get an iterator over all items in the specified group.
  3.  * @param group the visual data group name
  4.  * @return an iterator over all items in the specified group.
  5.  */
  6. public Iterator items(String group) {
  7.   return items(group, (Predicate)null);
  8. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Invalidate the bounds of all VisualItems in the given group. This
  3.  * will cause the bounds to be recomputed for all items upon the next
  4.  * redraw.
  5.  * @param group the visual data group to invalidate
  6.  */
  7. public void invalidate(String group) {
  8.   Iterator items = items(group, ValidatedPredicate.TRUE);
  9.   while ( items.hasNext() ) {
  10.     VisualItem item = (VisualItem)items.next();
  11.     item.setValidated(false);
  12.   }
  13. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Sets the interactivity status for all items in a given data group
  3.  * matching a given filter predicate.
  4.  * @param group the visual data group name
  5.  * @param p the filter predicate determining which items to modify
  6.  * @param value the interactivity value to set
  7.  */
  8. public void setInteractive(String group, Predicate p, boolean value) {
  9.   Iterator items = items(group, p);
  10.   while ( items.hasNext() ) {
  11.     VisualItem item = (VisualItem)items.next();
  12.     item.setInteractive(value);
  13.   }
  14. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Sets the visibility status for all items in a given data group matching
  3.  * a given filter predicate.
  4.  * @param group the visual data group name
  5.  * @param p the filter predicate determining which items to modify
  6.  * @param value the visibility value to set
  7.  */
  8. public void setVisible(String group, Predicate p, boolean value) {
  9.   Iterator items = items(group, p);
  10.   while ( items.hasNext() ) {
  11.     VisualItem item = (VisualItem)items.next();
  12.     item.setVisible(value);
  13.   }
  14. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Set a data field value for all items in a given data group matching a
  3.  * given filter predicate.
  4.  * @param group the visual data group name
  5.  * @param p the filter predicate determining which items to modify
  6.  * @param field the data field / column name to set
  7.  * @param val the value to set
  8.  */
  9. public void setValue(String group, Predicate p, String field, Object val) {
  10.   Iterator items = items(group, p);
  11.   while ( items.hasNext() ) {
  12.     VisualItem item = (VisualItem)items.next();
  13.     item.set(field, val);
  14.   }
  15. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.action.Action#run(double)
  3.  */
  4. public void run(double frac) {
  5.   Iterator items = m_vis.items(m_group, m_filter);
  6.   while ( items.hasNext() ) {
  7.     VisualItem item = (VisualItem)items.next();
  8.     PrefuseLib.updateVisible(item, m_predicate.getBoolean(item));
  9.   }
  10. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.action.Action#run(double)
  3.  */
  4. public void run(double frac) {
  5.   Iterator items = getVisualization().items(m_group, m_predicate);
  6.   while ( items.hasNext() ) {
  7.     process((VisualItem)items.next(), frac);
  8.   }
  9. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Get an iterator over all items in the given group which match the given
  3.  * Predicate filter.
  4.  * @param group the visual data group to iterate over
  5.  * @param filter a Predicate indicating which items should be included in
  6.  * the iteration.
  7.  * @return a filtered iterator over VisualItems
  8.  */
  9. public Iterator items(String group, Predicate filter) {
  10.   if ( ALL_ITEMS.equals(group) )
  11.     return items(filter);
  12.   TupleSet t = getGroup(group);
  13.   return ( t==null ? Collections.EMPTY_LIST.iterator() 
  14.            : t.tuples(filter) );
  15. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Issue a repaint request, causing all displays associated with this
  3.  * visualization to be repainted.
  4.  */
  5. public synchronized void repaint() {
  6.   Iterator items = items(ValidatedPredicate.FALSE);
  7.   while ( items.hasNext() ) {
  8.     ((VisualItem)items.next()).validateBounds();
  9.   }
  10.   for ( int i=0; i<m_displays.size(); ++i ) {
  11.     getDisplay(i).repaint();
  12.   }
  13. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Get an iterator over all items in the given group which match the given
  3.  * filter expression.
  4.  * @param group the visual data group to iterate over
  5.  * @param expr an expression string that should parse to a Predicate
  6.  * indicating which items should be included in the iteration. The input
  7.  * string will be parsed using the
  8.  * {@link prefuse.data.expression.parser.ExpressionParser} class. If a
  9.  * parse error occurs, an empty iterator is returned.
  10.  * @return a filtered iterator over VisualItems
  11.  */
  12. public Iterator items(String group, String expr) {
  13.   Expression e = ExpressionParser.parse(expr);
  14.   if ( !(e instanceof Predicate) || ExpressionParser.getError()!=null )
  15.     return Collections.EMPTY_LIST.iterator();
  16.   return items(group, (Predicate)e);
  17. }

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

  1. @Override
  2.   public void run( double frac )
  3.   {
  4.     Iterator iter = m_vis.items( m_group );
  5.     while( iter.hasNext() )
  6.     {
  7.       DecoratorItem item = (DecoratorItem) iter.next();
  8.       VisualItem node = item.getDecoratedItem();
  9.       Rectangle2D bounds = node.getBounds();
  10.       setX( item, node, bounds.getX() + StackedLayout.INSET );
  11.       setY( item, node, bounds.getY() + StackedLayout.INSET + 12 );
  12.     }
  13.   }
  14. } // end of inner class LabelLayout

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

  1. @Override
  2.   public void run( double frac )
  3.   {
  4.     super.run( frac );
  5.     // set uses_edges always visible
  6.     Iterator items = m_vis.items( GRAPH_EDGES );
  7.     while( items.hasNext() )
  8.     {
  9.       VisualItem item = (VisualItem) items.next();
  10.       if( item.getBoolean( USES_EDGES ) )
  11.       {
  12.         PrefuseLib.updateVisible( item, true );
  13.       }
  14.     }
  15.   }
  16. }

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

  1. @Override
  2.   public void run(double frac) {
  3.     Iterator iter = m_vis.items(m_group);
  4.     while (iter.hasNext()) {
  5.       DecoratorItem decorator = (DecoratorItem) iter.next();
  6.       VisualItem decoratedItem = decorator.getDecoratedItem();
  7.       Rectangle2D bounds = decoratedItem.getBounds();
  9.       double x = bounds.getCenterX();
  10.       double y = bounds.getCenterY();
  12.       setX(decorator, null, x);
  13.       setY(decorator, null, y);
  14.     }
  15.   }
  16. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * @see prefuse.action.Action#run(double)
  3.  */
  4. public void run(double frac) {
  5.   Iterator iter = m_vis.items(m_group);
  6.   while ( iter.hasNext() ) {
  7.     VisualItem item = (VisualItem)iter.next();
  8.     try {
  9.       if ( m_xfield != null )
  10.         setX(item, null, item.getDouble(m_xfield));
  11.       if ( m_yfield != null )
  12.         setY(item, null, item.getDouble(m_yfield));
  13.       if ( m_fixedfield != null )
  14.         item.setFixed(item.getBoolean(m_fixedfield));
  15.     } catch ( Exception e ) {
  16.     }
  17.   }
  18. }

代码示例来源：origin: de.sciss/prefuse-core

  1. private void finish() {
  2.   // set faded-out nodes to permanently invisible
  3.   Iterator items = m_vis.items(m_group, StartVisiblePredicate.TRUE);
  4.   while ( items.hasNext() ) {
  5.     VisualItem item = (VisualItem) items.next();
  6.     if ( !item.isEndVisible() ) {
  7.       item.setVisible(false);
  8.       item.setStartVisible(false);
  9.     }
  10.   }
  11.   
  12.   // set faded-in nodes to permanently visible
  13.   items = m_vis.visibleItems(m_group);
  14.   while ( items.hasNext() ) {
  15.     VisualItem item = (VisualItem) items.next();
  16.     process(item, 1.0);
  17.     item.setStartFillColor(item.getEndFillColor());
  18.     item.setStartTextColor(item.getEndTextColor());
  19.     item.setStartStrokeColor(item.getEndStrokeColor());
  20.   }
  21. }

代码示例来源：origin: de.sciss/prefuse-core

  1. /**
  2.  * Compute an ordinal axis layout.
  3.  */
  4. protected void ordinalLayout(TupleSet ts) {
  5.   if ( !m_modelSet) {
  6.     Object[] array = DataLib.ordinalArray(ts, m_field);
  7.     
  8.     if ( m_model == null ) {
  9.       m_model = new ObjectRangeModel(array);
  10.     } else {
  11.       ((ObjectRangeModel)m_model).setValueRange(array);
  12.     }
  13.   }
  14.   
  15.   ObjectRangeModel model = (ObjectRangeModel)m_model;
  16.   int start = model.getValue();
  17.   int end = start + model.getExtent();
  18.   double total = (double)(end-start);
  19.   
  20.   Iterator iter = m_vis.items(m_group, m_filter);
  21.   while ( iter.hasNext() ) {
  22.     VisualItem item = (VisualItem)iter.next();
  23.     int order = model.getIndex(item.get(m_field)) - start;
  24.     set(item, (total > 0.0) ? order/total : 0.5);
  25.   }
  26. }

代码示例来源：origin: de.sciss/prefuse-core

  1. private void finish() {
  2.   // set faded-out nodes to permanently invisible
  3.   Iterator items = m_vis.items(m_group, StartVisiblePredicate.TRUE);
  4.   while ( items.hasNext() ) {
  5.     VisualItem item = (VisualItem) items.next();
  6.     if ( !item.isEndVisible() ) {
  7.       item.setVisible(false);
  8.       item.setStartVisible(false);
  9.     }
  10.   }
  11.   
  12.   // set faded-in nodes to permanently visible
  13.   items = m_vis.visibleItems(m_group);
  14.   while ( items.hasNext() ) {
  15.     VisualItem item = (VisualItem) items.next();
  16.     if ( !item.isStartVisible() ) {
  17.       item.setStartVisible(true);
  18.       item.setStartFillColor(item.getEndFillColor());
  19.       item.setStartTextColor(item.getEndTextColor());
  20.       item.setStartStrokeColor(item.getEndStrokeColor());
  21.     }
  22.   }
  23. }

内容来源于网络，如有侵权，请联系作者删除！

visualization

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com