ColumnBrowser

Introduction

A widget that displays a tree structure a la mac in miller columns (look at http://en.wikipedia.org/wiki/Miller_Columns).

Usage

ColumnBrowserWidget

The widget itself contains the following method :

public ColumnBrowserWidget(final Composite parent, final int style) Constructor of the widget

public void addSelectionListener(final SelectionListener listener) Add a selection listener

public void clear(final boolean needPacking) Remove all data of the widget

public ColumnItem getSelection() Get the ColumnItem selected (or null if none)

public void removeSelectionListener(final SelectionListener listener) Remove a selection listener

public void select(final ColumnItem item) Select a given item

Column item

The elements displayed in the widget are called ColumnItem

public ColumnItem(final ColumnBrowserWidget widget) Create an item and associate it to a given widget

public ColumnItem(final ColumnBrowserWidget widget, final int index) Create an item is at a zero-based given position

public ColumnItem(final ColumnItem parent) Create a item that is a child of another ColumnItem

public ColumnItem(final ColumnItem parent, final int index) Create a item that is a child of another ColumnItem at a zero-based given position

public void remove(final ColumnItem item) Remove a child of the current item

public void remove(final int index) Remove a child of the current item

public void removeAll() Remove all children of the current item

public ColumnItem getItem(final int index) Get a children at a given position

public int getItemCount() Get the number of children of the current item

public ColumnItem[] getItems() Get all children of the current item

public ColumnBrowserWidget getParent() Get the widget that is the parent of the current item

public ColumnItem getParentItem() Get the parent of the current item, or null if there is not

public int indexOf(final ColumnItem item) Returns the position of a children

You can notice that the behaviour of this widget is very similar to the couple Tree/TreeItem.

Example

An example called ColumnsSnippet.java is located in the plugin org.eclipse.nebula.widgets.opal.columnbrowser.snippets.