mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-14 15:37:55 +00:00
158 lines
3.6 KiB
Java
158 lines
3.6 KiB
Java
/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License
|
|
* Version 1.0 (the "License"); you may not use this file except in
|
|
* compliance with the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS"
|
|
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
|
|
* the License for the specific language governing rights and limitations
|
|
* under the License.
|
|
*
|
|
* The Original Code is the Grendel mail/news client.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape Communications
|
|
* Corporation. Portions created by Netscape are Copyright (C) 1997
|
|
* Netscape Communications Corporation. All Rights Reserved.
|
|
*
|
|
* Created: Will Scullin <scullin@netscape.com>, 21 Aug 1997.
|
|
*/
|
|
|
|
package grendel.widgets;
|
|
|
|
import java.util.Enumeration;
|
|
|
|
/**
|
|
* An interface for the data model that stores the layout of a set of columns.
|
|
* This interface is shared by the ColumnHeaders and the TreeTable to provide
|
|
* a common column layout for both.
|
|
*/
|
|
|
|
public interface ColumnModel {
|
|
|
|
/**
|
|
* Add a column to the model. The column is added at the end.
|
|
*/
|
|
|
|
public void addColumn(Column aColumn);
|
|
|
|
/**
|
|
* Add a column to the model at a specified index. An exception may be
|
|
* if the index is invalid.
|
|
*/
|
|
|
|
public void addColumnAt(Column aColumn, int aIndex);
|
|
|
|
/**
|
|
* Removes a column from the model.
|
|
*/
|
|
|
|
public void removeColumn(Column aColumn);
|
|
|
|
/**
|
|
* Moves a column at the source index to the destination index. Columns
|
|
* in between may be shifted. An exception may be thrown if either index
|
|
* is invalid.
|
|
*/
|
|
|
|
public void moveColumn(int aSource, int aDest);
|
|
|
|
/**
|
|
* @return The total number of columns in this model.
|
|
*/
|
|
|
|
public int getColumnCount();
|
|
|
|
/**
|
|
* @return The column at the given index. Returns null if
|
|
* index is invalid.
|
|
*/
|
|
|
|
public Column getColumn(int aIndex);
|
|
|
|
/**
|
|
* @return The column with the given ID. Returns null if a column with the
|
|
* given ID is not in the model.
|
|
*/
|
|
|
|
public Column getColumn(Object aID);
|
|
|
|
/**
|
|
* @return An enumeration of all the columns in the model.
|
|
*/
|
|
|
|
public Enumeration getColumns();
|
|
|
|
/**
|
|
* @return The index of the column in the model. Returns -1 if the column is
|
|
* not in the model.
|
|
*/
|
|
|
|
public int getColumnIndex(Column aColumn);
|
|
|
|
/**
|
|
* @return The index of the column at the given X location. Returns -1 if the
|
|
* given X does not fall over a column.
|
|
*/
|
|
|
|
public int getColumnIndexAtX(int aX);
|
|
|
|
/**
|
|
* @return The margin (gap) between columns.
|
|
*/
|
|
|
|
public int getColumnMargin();
|
|
|
|
/**
|
|
* Sets the margin (gap) between columns.
|
|
*/
|
|
|
|
public void setColumnMargin(int aMargin);
|
|
|
|
/**
|
|
* @return The sum of all column widths and margins.
|
|
*/
|
|
|
|
public int getTotalColumnWidth();
|
|
|
|
/**
|
|
* Adds a ColumnModelListener.
|
|
*/
|
|
|
|
public void addColumnModelListener(ColumnModelListener aListener);
|
|
|
|
/**
|
|
* Removes a ColumnModelListener.
|
|
*/
|
|
|
|
public void removeColumnModelListener(ColumnModelListener aListener);
|
|
|
|
|
|
/**
|
|
* @return The currently selected column.
|
|
*/
|
|
|
|
public Column getSelectedColumn();
|
|
|
|
/**
|
|
* Sets the currently selected column. Currently only single selection
|
|
* is supported.
|
|
*/
|
|
|
|
public void setSelectedColumn(Column aColumn);
|
|
|
|
/**
|
|
* @return A string representing the layout (order and widths) of the
|
|
* columns.
|
|
*/
|
|
|
|
public String getPrefString();
|
|
|
|
/**
|
|
* Restores a column layout that was obtained from getPrefString().
|
|
*/
|
|
|
|
public void setPrefString(String aString);
|
|
}
|