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Tree: ezcTreeVisitorGraphViz

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Class: ezcTreeVisitorGraphViz

An implementation of the ezcTreeVisitor interface that generates GraphViz/dot markup for a tree structure. [source]

Implemented Interfaces

 1.  <?php
 2.      $visitor new ezcTreeVisitorGraphViz;
 3.      $tree->accept$visitor );
 4.      echo (string) $visitor// print the plot
 5.  ?>

Member Variables

protected array(id=>array(ezcTreeNode)) $edges = array()
Holds all the edges of the graph.
protected array(string=>string) $nodes = array()
Holds the displayed strings for each of the nodes.

Method Summary

public bool visit( $visitable )
Visits the node and sets the the member variables according to the node type and contents.

Methods

visit

bool visit( ezcTreeVisitable $visitable )
Visits the node and sets the the member variables according to the node type and contents.

Parameters

Name Type Description
$visitable ezcTreeVisitable  

Last updated: Mon, 21 Dec 2009