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## org.biojava.bio.gui.sequence
Class LabelledSequenceRenderer

    java.lang.Object
      org.biojava.utils.AbstractChangeable
          org.biojava.bio.gui.sequence.LabelledSequenceRenderer

All Implemented Interfaces:
  SequenceRenderer, Changeable

    public class LabelledSequenceRenderer

extends AbstractChangeable
implements SequenceRenderer

Renderer which draws a track of sequence with a textual label.

Experimental: This should probably delegate the label-drawing to a little LabelRenderer interface, and have the option of rendering trailing as well as leading labels.

Since:
  1.3
Author:
  Kalle Naslund, Thomas Down, Matthew Pocock, Andreas Prlic

Nested Class Summary

Nested classes/interfaces inherited from interface org.biojava.bio.gui.sequence.SequenceRenderer
`SequenceRenderer.RendererForwarder`

Field Summary
`static ChangeType` | `RENDERER`
`static ChangeType` | `VALUES`

Constructor Summary
`LabelledSequenceRenderer()` Creates new LabelledSequenceRenderer with default width and depth;
`LabelledSequenceRenderer(double minWidth, double minDepth)` Creates new LabelledSequenceRenderer with the specified width and depth.
`LabelledSequenceRenderer(String label, SequenceRenderer renderer)`

Method Summary
`void` | `addLabelString(String text)` Add a piece of text to this renderer's label
`protected ChangeSupport` | `generateChangeSupport()` Called the first time a ChangeSupport object is needed.
`double` | `getDepth(SequenceRenderContext sRC)` Retrieve the depth of this renderer when rendering src.
`Color` | `getFillColor()` Get the background color of the label area.
`double` | `getMinimumLeader(SequenceRenderContext sRC)` Retrieve the minimum leading distance for this renderer when rendering src.
`double` | `getMinimumTrailer(SequenceRenderContext sRC)` Retrieve the minimum trailing distance for this renderer when rendering src.
`Color` | `getTextColor()` Get the color of the label text
`void` | `paint(Graphics2D g, SequenceRenderContext sRC)` Render a portion (possibly all) of the information for src to g, displaying all of the data that would fall within seqBox.
`SequenceViewerEvent` | `processMouseEvent(SequenceRenderContext sRC, MouseEvent mE, List path)` Produce a SequenceViewerEvent in response to a mouse gesture.
`void` | `removeLabelString(String text)` Remove a piece of text from the label
`void` | `setFillColor(Color c)` Set the background color of the label area.
`void` | `setRenderer(SequenceRenderer sR)` Set the child renderer responsible for drawing the contents of this track
`void` | `setTextColor(Color c)` Set the color of the label text
`void` | `toggleSelectionStatus()`

Methods inherited from class org.biojava.utils.AbstractChangeable
`addChangeListener, addChangeListener, getChangeSupport, hasListeners, hasListeners, isUnchanging, removeChangeListener, removeChangeListener`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### RENDERER

    public static final ChangeType RENDERER

### VALUES

    public static final ChangeType VALUES

Constructor Detail

### LabelledSequenceRenderer

    public LabelledSequenceRenderer()

  Creates new LabelledSequenceRenderer with default width and depth;

### LabelledSequenceRenderer

    public LabelledSequenceRenderer(String label,
                                    SequenceRenderer renderer)

### LabelledSequenceRenderer

    public LabelledSequenceRenderer(double minWidth,
                                    double minDepth)

  Creates new LabelledSequenceRenderer with the specified width and depth.

Method Detail

### generateChangeSupport

    protected ChangeSupport generateChangeSupport()

  Description copied from class: `AbstractChangeable`
  Called the first time a ChangeSupport object is needed. Override this if you want to set the Unchanging set on the ChangeSupport, or if you want to install listeners on other objects when the change system is initialized.

  Overrides:
    `generateChangeSupport` in class `AbstractChangeable`

### setRenderer

    public void setRenderer(SequenceRenderer sR)
                     throws ChangeVetoException

  Set the child renderer responsible for drawing the contents of this track

  Throws:
    `ChangeVetoException`

### addLabelString

    public void addLabelString(String text)
                        throws ChangeVetoException

  Add a piece of text to this renderer's label

  Throws:
    `ChangeVetoException`

### removeLabelString

    public void removeLabelString(String text)
                           throws ChangeVetoException

  Remove a piece of text from the label

  Throws:
    `ChangeVetoException`

### toggleSelectionStatus

    public void toggleSelectionStatus()
                               throws ChangeVetoException

  Throws:
    `ChangeVetoException`

### getMinimumLeader

    public double getMinimumLeader(SequenceRenderContext sRC)

  Description copied from interface: `SequenceRenderer`
  Retrieve the minimum leading distance for this renderer when rendering src.

  The leading distance may vary between sequence panels - for example based upon sequence length.

  Specified by:
    `getMinimumLeader` in interface `SequenceRenderer`
  Parameters:
    `sRC` - the SequenceRenderContext to return info for
  Returns:
    the leading distance of the renderer for that sequence panel

### getMinimumTrailer

    public double getMinimumTrailer(SequenceRenderContext sRC)

  Description copied from interface: `SequenceRenderer`
  Retrieve the minimum trailing distance for this renderer when rendering src.

  The trailing distance may vary between sequence panels - for example based upon sequence length.

  Specified by:
    `getMinimumTrailer` in interface `SequenceRenderer`
  Parameters:
    `sRC` - the SequenceRenderContext to return info for
  Returns:
    the trailing distance of the renderer for that sequence panel

### getDepth

    public double getDepth(SequenceRenderContext sRC)

  Description copied from interface: `SequenceRenderer`
  Retrieve the depth of this renderer when rendering src.

  The depth may vary between sequence panels - for example based upon sequence length. Each line of information in the SequenceRendererContext only renders a region of the sequence. The depth for one complete line may be different from that for another due to the sequence having more or less information in that region to show. For example, a feature renderer implementation may chose to collapse down to a depth of zero pixels if there are no features to render within a region.

  Specified by:
    `getDepth` in interface `SequenceRenderer`
  Parameters:
    `sRC` - the SequenceRenderContext to return info for
  Returns:
    the depth of the renderer for that sequence panel

### processMouseEvent

    public SequenceViewerEvent processMouseEvent(SequenceRenderContext sRC,
                                                 MouseEvent mE,
                                                 List path)

  Description copied from interface: `SequenceRenderer`
  Produce a SequenceViewerEvent in response to a mouse gesture.

  A SequenceRenderer that performs any form of coordinate remapping should ensure that it appropriately transforms the mouse event. However, in the SequenceViewerEvent returned, the MouseEvent should be in untransformed coordinates.

  The SequenceRenderer implementation should append itself to the path list before constructing the SequenceViewerEvent.

  Specified by:
    `processMouseEvent` in interface `SequenceRenderer`
  Parameters:
    `sRC` - the SequenceRenderContext currently in scope
    `mE` - a MouseEvent that caused this request
    `path` - the List of SequenceRenderer instances passed through so far
  Returns:
    a SequenceViewerEvent encapsulating the mouse gesture

### setFillColor

    public void setFillColor(Color c)

  Set the background color of the label area.

### getFillColor

    public Color getFillColor()

  Get the background color of the label area.

### setTextColor

    public void setTextColor(Color c)

  Set the color of the label text

### getTextColor

    public Color getTextColor()

  Get the color of the label text

### paint

    public void paint(Graphics2D g,
                      SequenceRenderContext sRC)

  Description copied from interface: `SequenceRenderer`
  Render a portion (possibly all) of the information for src to g, displaying all of the data that would fall within seqBox.

  Specified by:
    `paint` in interface `SequenceRenderer`
  Parameters:
    `g` - the Graphics2D to render to
    `sRC` - the SequenceRenderContext that encapsulates the information to render

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