Package 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 table columns. If there are selections in the table, all the columns that intersect the selections are removed. If there is no selection in the table, the column at caret is deleted.

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.List<java.lang.Integer>	deletedColumnsIndices	The index of the deleted column.
protected AuthorElement	tableElem	The table element.

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

CHANGE_TRACKING_BEHAVIOR_ARGUMENT, TABLE_INFO_ARGUMENT_DESCRIPTOR, TABLE_INFO_ARGUMENT_NAME, 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

Constructors

Constructor	Description
DeleteColumnOperationBase(AuthorTableHelper documentTypeHelper)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected boolean	canDeleteColumn()
protected void	doOperationInternal(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 columns.
protected void	updateAppliableColWidthsNumber(AuthorAccess authorAccess, AuthorElement tableElem, int deletedColumnIndex)	If the table has anything else to update when a column is deleted...
protected void	updateColspec(AuthorAccess authorAccess, java.lang.Integer deletedColumnIndex)	Update the colspec of a table for a given column.
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, doOperation, 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.

deletedColumnsIndices

protected java.util.List<java.lang.Integer> deletedColumnsIndices

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 columns. The columns are detected in the following order:

• from the given column intervals
• from the selection
• from the caret position

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

updateColspec

protected void updateColspec(AuthorAccess authorAccess,
                             java.lang.Integer deletedColumnIndex)

Update the colspec of a table for a given column.

Parameters:

authorAccess - The Author access.

deletedColumnIndex - The index of the deleted column.

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.

doOperationInternal

protected void doOperationInternal(AuthorAccess authorAccess,
                                   ArgumentsMap args)
                            throws AuthorOperationException

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

Specified by:

doOperationInternal in class AbstractTableOperation

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:

AuthorOperationException - Thrown when the operation fails.

See Also:

AbstractTableOperation.doOperationInternal(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.