org.olat.modules.fo
Class ThreadColumnDescriptor

java.lang.Object
  org.olat.core.gui.components.table.DefaultColumnDescriptor
      org.olat.modules.fo.ThreadColumnDescriptor

All Implemented Interfaces:

ColumnDescriptor

public class ThreadColumnDescriptor
extends DefaultColumnDescriptor

Specialized ColumnDescriptor to display title of Forum messages in a indented (thread-like) way

Author:

Felix Jost

Field Summary

Fields inherited from class org.olat.core.gui.components.table.DefaultColumnDescriptor

DEFAULT_POPUP_ATTRIBUTES

Fields inherited from interface org.olat.core.gui.components.table.ColumnDescriptor

ALIGNMENT_CENTER, ALIGNMENT_LEFT, ALIGNMENT_RIGHT

Constructor Summary

ThreadColumnDescriptor(java.lang.String headerKey, int dataColumn, java.lang.String action)

Method Summary

int	compareTo(int rowa, int rowb) this special columndescriptor can only handle data from the column of the tablemodel if it is of type Message, since this descriptor is especially made for the forum
void	modelChanged() called by the table if the model has changed.
void	otherColumnDescriptorSorted() called when this columnDescriptor is not being sorted by the user, but another columnDescriptor.
void	renderValue(StringOutput sb, int row, Renderer renderer)
void	sortingAboutToStart() called before the actual sorting calls with compareTo(int rowa, int rowb) take place
java.lang.String	toString(int rowid) String represenation of the value at specified row

Methods inherited from class org.olat.core.gui.components.table.DefaultColumnDescriptor

getAction, getAlignment, getHeaderKey, getHrefGenerator, getLocale, getPopUpWindowAttributes, isPopUpWindowAction, isSortingAllowed, setAlignment, setHrefGenerator, setIsPopUpWindowAction, setTable, setTranslateHeaderKey, translateHeaderKey

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ThreadColumnDescriptor

public ThreadColumnDescriptor(java.lang.String headerKey,
                              int dataColumn,
                              java.lang.String action)

Parameters:

headerKey -

dataColumn -

action -

Method Detail

renderValue

public void renderValue(StringOutput sb,
                        int row,
                        Renderer renderer)

Specified by:

renderValue in interface ColumnDescriptor

Overrides:

renderValue in class DefaultColumnDescriptor

renderer - the Renderer. if null this means that the renderValue should be in plain text (e.g. for excel download)

See Also:

ColumnDescriptor.renderValue(org.olat.core.gui.render.StringOutput, int, org.olat.core.gui.render.Renderer)

compareTo

public int compareTo(int rowa,
                     int rowb)

this special columndescriptor can only handle data from the column of the tablemodel if it is of type Message, since this descriptor is especially made for the forum

Specified by:

compareTo in interface ColumnDescriptor

Overrides:

compareTo in class DefaultColumnDescriptor

Returns:

See Also:

ColumnDescriptor.compareTo(int, int)

modelChanged

public void modelChanged()

Description copied from interface: ColumnDescriptor

called by the table if the model has changed. Useful in combination with sortingAboutToStart() to know when sortingAboutToStart() can use the cache or when it has to resort again

Specified by:

modelChanged in interface ColumnDescriptor

Overrides:

modelChanged in class DefaultColumnDescriptor

See Also:

ColumnDescriptor.modelChanged()

sortingAboutToStart

public void sortingAboutToStart()

Description copied from interface: ColumnDescriptor

called before the actual sorting calls with compareTo(int rowa, int rowb) take place

Specified by:

sortingAboutToStart in interface ColumnDescriptor

Overrides:

sortingAboutToStart in class DefaultColumnDescriptor

See Also:

ColumnDescriptor.sortingAboutToStart()

otherColumnDescriptorSorted

public void otherColumnDescriptorSorted()

Description copied from interface: ColumnDescriptor

called when this columnDescriptor is not being sorted by the user, but another columnDescriptor. usage: e.g. so getRenderValue(int row) can deliver different results w/o being active (formatting or such)

Specified by:

otherColumnDescriptorSorted in interface ColumnDescriptor

Overrides:

otherColumnDescriptorSorted in class DefaultColumnDescriptor

See Also:

ColumnDescriptor.otherColumnDescriptorSorted()

toString

public java.lang.String toString(int rowid)

Description copied from interface: ColumnDescriptor

String represenation of the value at specified row

Specified by:

toString in interface ColumnDescriptor

Overrides:

toString in class DefaultColumnDescriptor

Returns: