Eclipse Platform
Release 3.4

org.eclipse.ui.views.markers
Class MarkerField

java.lang.Object
  extended byorg.eclipse.ui.views.markers.MarkerField

public abstract class MarkerField
extends Object

MarkerField is the abstract superclass of the definition of the content providers for columns in a Markers View.

Since:
3.4

Constructor Summary
MarkerField()
           
 
Method Summary
 Image annotateImage(MarkerItem item, Image image)
          Annotate the image with indicators for whether or not help or quick fix are available.
 int compare(MarkerItem item1, MarkerItem item2)
          Compare item1 and item2 for sorting purposes.
 Image getColumnHeaderImage()
           
 String getColumnHeaderText()
          Return the text to be displayed in the column header for this field.
 String getColumnTooltipText()
          Return the text for the column tooltip.
 IConfigurationElement getConfigurationElement()
          Get the configuration element for the receiver.
 int getDefaultColumnWidth(Control control)
          Get the number of characters that should be reserved for the receiver.
 EditingSupport getEditingSupport(ColumnViewer viewer)
          Return the editing support for entries for this field.
protected  ResourceManager getImageManager()
          Return the image manager used by the receiver.
abstract  String getValue(MarkerItem item)
           
 void setConfigurationElement(IConfigurationElement element)
          Set the configuration element used by the receiver.
 void setImageManager(ResourceManager manager)
          Set the imageManager.
 void update(ViewerCell cell)
          Update the contents of the cell.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MarkerField

public MarkerField()
Method Detail

annotateImage

public Image annotateImage(MarkerItem item,
                           Image image)
Annotate the image with indicators for whether or not help or quick fix are available.

Parameters:
item - the item being decorated
image - the image being overlaid
Returns:
Image

compare

public int compare(MarkerItem item1,
                   MarkerItem item2)
Compare item1 and item2 for sorting purposes.

Parameters:
item1 -
item2 -
Returns:
Either:
  • a negative number if the value of item1 is less than the value of item2 for this field.
  • 0 if the value of item1 and the value of item2 are equal for this field.
  • a positive number if the value of item1 is greater than the value of item2 for this field.

  • getColumnHeaderImage

    public Image getColumnHeaderImage()
    Returns:
    The image to be displayed in the column header for this field or null.

    getColumnHeaderText

    public String getColumnHeaderText()
    Return the text to be displayed in the column header for this field.

    Returns:
    String
    See Also:
    this is the default column tooltip text

    getColumnTooltipText

    public String getColumnTooltipText()
    Return the text for the column tooltip.

    Returns:
    String
    See Also:
    getColumnHeaderText()

    getConfigurationElement

    public final IConfigurationElement getConfigurationElement()
    Get the configuration element for the receiver. This is used by the markerSupport internals to retreive the values defined in the extenstion.

    Returns:
    IConfigurationElement

    getDefaultColumnWidth

    public int getDefaultColumnWidth(Control control)
    Get the number of characters that should be reserved for the receiver.

    Parameters:
    control - the control to scale from
    Returns:
    int

    getEditingSupport

    public EditingSupport getEditingSupport(ColumnViewer viewer)
    Return the editing support for entries for this field. Return null if it cannot be in-line edited.

    Parameters:
    viewer - the viewer this will be applied to
    Returns:
    EditingSupport or null.

    getImageManager

    protected ResourceManager getImageManager()
    Return the image manager used by the receiver.

    Returns:
    ResourceManager

    getValue

    public abstract String getValue(MarkerItem item)
    Parameters:
    item -
    Returns:
    The String value of the object for this particular field to be displayed to the user.

    setConfigurationElement

    public final void setConfigurationElement(IConfigurationElement element)
    Set the configuration element used by the receiver.

    Parameters:
    element -

    setImageManager

    public final void setImageManager(ResourceManager manager)
    Set the imageManager. This is not normally required to be send if using a MarkerSupportView as this is done for you.

    Parameters:
    manager -

    update

    public void update(ViewerCell cell)
    Update the contents of the cell.

    Parameters:
    cell -

    Eclipse Platform
    Release 3.4

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