ro.sync.ecss.extensions.commons.table.operations
Class DeleteColumnOperationBase

java.lang.Object
  ro.sync.ecss.extensions.commons.table.operations.AbstractTableOperation
      ro.sync.ecss.extensions.commons.table.operations.DeleteColumnOperationBase

All Implemented Interfaces:

AuthorOperation, Extension

Direct Known Subclasses:

DeleteColumnOperation, DeleteColumnOperation, DeleteColumnOperation, DeleteColumnOperation, DeleteColumnOperation

@API(type=INTERNAL,
     src=PUBLIC)
public abstract class DeleteColumnOperationBase
extends AbstractTableOperation

Base implementation for operations used to delete a table column.

Field Summary

protected int	deletedColumnIndex The index of the deleted column.
protected AuthorElement	tableElem The table element.

Fields inherited from class ro.sync.ecss.extensions.commons.table.operations.AbstractTableOperation

tableHelper

Fields inherited from interface ro.sync.ecss.extensions.api.AuthorOperation

NAMESPACE_ARGUMENT, NAMESPACE_ARGUMENT_DESCRIPTOR, SCHEMA_AWARE_ARGUMENT, SCHEMA_AWARE_ARGUMENT_DESCRIPTOR

Constructor Summary

DeleteColumnOperationBase(AuthorTableHelper documentTypeHelper)
Constructor.

Method Summary

protected boolean	canDeleteColumn()
void	doOperation(AuthorAccess authorAccess, ArgumentsMap args) Delete the table column at the caret position.
ArgumentDescriptor[]	getArguments() No arguments for this operation.
java.lang.String	getDescription()
boolean	performDeleteColumn(AuthorAccess authorAccess, java.util.List<ContentInterval> columnIntervals, boolean placeCaretInNextCell) Delete table column.
protected void	updateAppliableColWidthsNumber(AuthorAccess authorAccess, AuthorElement tableElem, int deletedColumnIndex) If the table has anything else to update when a column is deleted...
protected abstract void	updateTableColSpan(AuthorAccess authorAccess, AuthorTableCellSpanProvider spanProvider, AuthorElement cell, int colStartIndex, int colEndIndex) Update the column span for the table cell that is included into the deleted column.

Methods inherited from class ro.sync.ecss.extensions.commons.table.operations.AbstractTableOperation

createEmptyCell, findCellInsertionOffset, getElementAncestor, isElement, isTableElement

Methods inherited from class java.lang.Object

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

Field Detail

tableElem

protected AuthorElement tableElem

The table element.

deletedColumnIndex

protected int deletedColumnIndex

The index of the deleted column.

Constructor Detail

DeleteColumnOperationBase

public DeleteColumnOperationBase(AuthorTableHelper documentTypeHelper)

Constructor.

Parameters:

documentTypeHelper - The table helper specific to a document type. An implementation of AuthorTableHelper.

Method Detail

performDeleteColumn

public boolean performDeleteColumn(AuthorAccess authorAccess,
                                   java.util.List<ContentInterval> columnIntervals,
                                   boolean placeCaretInNextCell)
                            throws AuthorOperationException

Delete table column.

Parameters:

authorAccess - The access to Author operations.

columnIntervals - The intervals of the column to be deleted. If null, the column at caret offset is deleted.

placeCaretInNextCell - true to place caret in the next cell.

Returns:

true if a column is deleted

Throws:

java.lang.IllegalArgumentException

AuthorOperationException

updateAppliableColWidthsNumber

protected void updateAppliableColWidthsNumber(AuthorAccess authorAccess,
                                              AuthorElement tableElem,
                                              int deletedColumnIndex)

If the table has anything else to update when a column is deleted...

Parameters:

authorAccess - The author access.

tableElem - The table access.

deletedColumnIndex - The deleted column index.

doOperation

public final void doOperation(AuthorAccess authorAccess,
                              ArgumentsMap args)
                       throws java.lang.IllegalArgumentException,
                              AuthorOperationException

Delete the table column at the caret position. For this operation the caret must be inside a table cell.

Parameters:

authorAccess - The author access. Provides access to specific informations and actions for editor, document, workspace, tables, change tracking, utility a.s.o.

args - The map of arguments. All the arguments defined by method AuthorOperation.getArguments() must be present in the map of arguments.

Throws:

java.lang.IllegalArgumentException - Thrown when one or more arguments are illegal.

AuthorOperationException - Thrown when the operation fails.

See Also:

AuthorOperation.doOperation(ro.sync.ecss.extensions.api.AuthorAccess, ro.sync.ecss.extensions.api.ArgumentsMap)

updateTableColSpan

protected abstract void updateTableColSpan(AuthorAccess authorAccess,
                                           AuthorTableCellSpanProvider spanProvider,
                                           AuthorElement cell,
                                           int colStartIndex,
                                           int colEndIndex)
                                    throws AuthorOperationException

Update the column span for the table cell that is included into the deleted column.

Parameters:

authorAccess - The author access. Provides access to specific informations and actions for editor, document, workspace, tables, change tracking, utility a.s.o.

spanProvider - The table span provider. The object responsible for providing information about the cell spanning.

cell - The table cell.

colStartIndex - The new column start index, 1 based.

colEndIndex - The new column end index, 1 based.

Throws:

AuthorOperationException - When the operation fails.

getArguments

public ArgumentDescriptor[] getArguments()

No arguments for this operation.

Returns:

An array of ArgumentDescriptor representing the arguments this operation uses.

See Also:

AuthorOperation.getArguments()

getDescription

public java.lang.String getDescription()

Returns:

The description of the extension.

See Also:

Extension.getDescription()

canDeleteColumn

protected boolean canDeleteColumn()

Returns:

true if a column from the specified table can be deleted. false otherwise.