tablecanvas.html

Java算法大全（近100种算法打包),內容詳實,很好的學習資料.

  </dl></dd>
</dl>
<a name="getTableEntryAt(int)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getTableEntryAt"><b>getTableEntryAt</b></a>
<pre>
 public Object getTableEntryAt(int posn)
</pre>
<dl>
  <dd> Obtain the object placed at the table row specified by the parameter.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> posn - Table row where the object is to be obtained.
    <dt> <b>Returns:</b>
    <dd> The table object at the row specified by the parameter.
  </dl></dd>
</dl>
<a name="full()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="full"><b>full</b></a>
<pre>
 public boolean full()
</pre>
<dl>
  <dd> Check if the table has been fully filled up.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> TRUE if all entries in the table is non-null object;
 FALSE otherwise.
  </dl></dd>
</dl>
<a name="numOccupied()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="numOccupied"><b>numOccupied</b></a>
<pre>
 public int numOccupied()
</pre>
<dl>
  <dd> Get the number of rows in the table where the contents are non-null
 object.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> The number of non-null object in the table.
  </dl></dd>
</dl>
<a name="occupied(int)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="occupied"><b>occupied</b></a>
<pre>
 public boolean occupied(int i)
</pre>
<dl>
  <dd> Check if a particular row in the table has a non-null object.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> i - The row number of the table to be checked.
    <dt> <b>Returns:</b>
    <dd> TRUE if the row specified by the parameter is occupied.
  </dl></dd>
</dl>
<a name="drawClusters(java.awt.Graphics, int, int)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="drawClusters"><b>drawClusters</b></a>
<pre>
 public void drawClusters(Graphics g,
                          int x,
                          int y)
</pre>
<dl>
  <dd> Display a status summary of the table regarding the percentage
 of the table being occupied, the number of clusters in the table,
 and a rough idea of the location of the table being occupied.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> g - Graphical context of the drawing panel where the status
 information is going to be shown.
    <dd> x - The left most position of the status information display.
    <dd> y - The top most position of the status information display.
  </dl></dd>
</dl>
<a name="addTableEntry(java.lang.Object, int)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="addTableEntry"><b>addTableEntry</b></a>
<pre>
 public void addTableEntry(Object obj,
                           int posn)
</pre>
<dl>
  <dd> Add an entry to the table and push the existing entries after this
 newly added object one position down.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> obj - The new object to be added to the table.
    <dd> posn - The position in the table (row) where the new object is to
 be added.
  </dl></dd>
</dl>
<a name="tableSize()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="tableSize"><b>tableSize</b></a>
<pre>
 public int tableSize()
</pre>
<dl>
  <dd> Get the maximum size of the table (including all null and non-null
 objects).
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> The maximum size of the table.
  </dl></dd>
</dl>
<a name="contains(java.lang.Object)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="contains"><b>contains</b></a>
<pre>
 public boolean contains(Object obj)
</pre>
<dl>
  <dd> Check if the table contains a certain object specified by the parameter.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> obj - The object which is going to be checked for existence.
    <dt> <b>Returns:</b>
    <dd> TRUE if the object exists; FALSE otherwise.
  </dl></dd>
</dl>
<a name="indexOf(java.lang.Object)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="indexOf"><b>indexOf</b></a>
<pre>
 public int indexOf(Object obj)
</pre>
<dl>
  <dd> Get the location of an object in the table.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> obj - The object which location is being checked.
    <dt> <b>Returns:</b>
    <dd> The row number of the object passed in as the parameter. This
 method will return -1 if the object does not exist within the current
 table.
  </dl></dd>
</dl>
<a name="preferredSize()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="preferredSize"><b>preferredSize</b></a>
<pre>
 public Dimension preferredSize()
</pre>
<dl>
  <dd> Define the default size of the table.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> The dimension of the table. By default is: 480x320.
    <dt> <b>Overrides:</b>
    <dd> <a href="java.awt.Container.html#preferredSize()">preferredSize</a> in class Container
  </dl></dd>
</dl>
<a name="update(java.awt.Graphics)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="update"><b>update</b></a>
<pre>
 public void update(Graphics g)
</pre>
<dl>
  <dd> This method is invoked by the display manager when the
 <code>repaint()</code> method of the panel is called. This method
 is overridden here to eliminate the flashing characteristic during
 the panel update.
<p>
  <dd><dl>
    <dt> <b>Overrides:</b>
    <dd> <a href="java.awt.Container.html#update(java.awt.Graphics)">update</a> in class Container
  </dl></dd>
</dl>
<a name="paint(java.awt.Graphics)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="paint"><b>paint</b></a>
<pre>
 public void paint(Graphics g)
</pre>
<dl>
  <dd> Method to draw the table canvas.
<p>
  <dd><dl>
    <dt> <b>Overrides:</b>
    <dd> <a href="java.awt.Container.html#paint(java.awt.Graphics)">paint</a> in class Container
  </dl></dd>
</dl>
<a name="drawBox(java.awt.Graphics, int, int, java.lang.String, java.awt.Color, java.awt.Color, int)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="drawBox"><b>drawBox</b></a>
<pre>
 public void drawBox(Graphics g,
                     int x,
                     int y,
                     String str,
                     Color fg,
                     Color bg,
                     int max_length)
</pre>
<dl>
  <dd> This method is only called by the <code>paint()</code> method to draw
 each entry of the table as a box.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> g - Graphical context.
    <dd> x - The left most position of the box.
    <dd> y - The top most position of the box.
    <dd> str - The String object to be drawn inside the box.
    <dd> fg - Foreground color (i.e. the text color) of the box.
    <dd> bg - Background color of the box.
    <dd> max_length - The max_length of the string to be displayed in
 the box.
  </dl></dd>
</dl>
</body>
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