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Diffstat (limited to 'libjava/javax/swing/table/DefaultTableColumnModel.java')
-rw-r--r-- | libjava/javax/swing/table/DefaultTableColumnModel.java | 542 |
1 files changed, 0 insertions, 542 deletions
diff --git a/libjava/javax/swing/table/DefaultTableColumnModel.java b/libjava/javax/swing/table/DefaultTableColumnModel.java deleted file mode 100644 index 8ed85657216..00000000000 --- a/libjava/javax/swing/table/DefaultTableColumnModel.java +++ /dev/null @@ -1,542 +0,0 @@ -/* DefaultTableColumnModel.java -- - Copyright (C) 2002, 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package javax.swing.table; - -import java.beans.PropertyChangeEvent; -import java.beans.PropertyChangeListener; -import java.io.Serializable; -import java.util.Enumeration; -import java.util.EventListener; -import java.util.Vector; - -import javax.swing.DefaultListSelectionModel; -import javax.swing.ListSelectionModel; -import javax.swing.event.ChangeEvent; -import javax.swing.event.EventListenerList; -import javax.swing.event.ListSelectionEvent; -import javax.swing.event.ListSelectionListener; -import javax.swing.event.TableColumnModelEvent; -import javax.swing.event.TableColumnModelListener; - -/** - * DefaultTableColumnModel - * @author Andrew Selkirk - * @version 1.0 - */ -public class DefaultTableColumnModel - implements TableColumnModel, PropertyChangeListener, ListSelectionListener, - Serializable -{ - private static final long serialVersionUID = 6580012493508960512L; - - /** - * Columns that this model keeps track of. - */ - protected Vector tableColumns; - - /** - * Selection Model that keeps track of columns selection - */ - protected ListSelectionModel selectionModel; - - /** - * Space between two columns. By default it is set to 1 - */ - protected int columnMargin; - - /** - * listenerList keeps track of all listeners registered with this model - */ - protected EventListenerList listenerList = new EventListenerList(); - - /** - * changeEvent is fired when change occurs in one of the columns properties - */ - protected transient ChangeEvent changeEvent = new ChangeEvent(this); - - /** - * Indicates whether columns can be selected - */ - protected boolean columnSelectionAllowed; - - /** - * Total width of all the columns in this model - */ - protected int totalColumnWidth; - - /** - * Constructor DefaultTableColumnModel - */ - public DefaultTableColumnModel() - { - tableColumns = new Vector(); - setSelectionModel(createSelectionModel()); - columnMargin = 1; - columnSelectionAllowed = false; - } - - /** - * addColumn adds column to the model. This method fires ColumnAdded - * event to model's registered TableColumnModelListeners. - * - * @param col column to add - */ - public void addColumn(TableColumn col) - { - tableColumns.add(col); - invalidateWidthCache(); - fireColumnAdded(new TableColumnModelEvent(this,0,tableColumns.size())); - } - - /** - * removeColumn removes table column from the model. This method fires - * ColumnRemoved event to model's registered TableColumnModelListeners. - * - * @param col column to be removed - */ - public void removeColumn(TableColumn col) - { - int index = getColumnIndex(col); - fireColumnRemoved(new TableColumnModelEvent(this,index,0)); - tableColumns.remove(col); - invalidateWidthCache(); - } - - /** - * moveColumn moves column at index i to index j. This method fires - * ColumnMoved event to model's registered TableColumnModelListeners. - * - * @param i index of the column that will be moved - * @param j index of column's new location - */ - public void moveColumn(int i, int j) - { - Object tmp = tableColumns.get(i); - tableColumns.set(i, tableColumns.get(j)); - tableColumns.set(j, tmp); - fireColumnAdded(new TableColumnModelEvent(this,i,j)); - } - - /** - * setColumnMargin sets margin of the columns. - * @param m new column margin - */ - public void setColumnMargin(int m) - { - columnMargin = m; - fireColumnMarginChanged(); - } - - /** - * getColumnCount returns number of columns in the model - * @return int number of columns in the model - */ - public int getColumnCount() - { - return tableColumns.size(); - } - - /** - * getColumns - * @return Enumeration - */ - public Enumeration getColumns() - { - return tableColumns.elements(); - } - - /** - * getColumnIndex returns index of the specified column - * - * @param identifier identifier of the column - * @return int index of the given column - */ - public int getColumnIndex(Object identifier) - { - return tableColumns.indexOf(identifier, 0); - } - - /** - * getColumn returns column at the specified index - * @param i index of the column - * @return TableColumn column at the specified index - */ - public TableColumn getColumn(int i) - { - return (TableColumn) tableColumns.get(i); - } - - /** - * getColumnMargin returns column margin - * @return int column margin - */ - public int getColumnMargin() - { - return columnMargin; - } - - /** - * getColumnIndexAtX returns column that contains specified x-coordinate. - * @param x x-coordinate that column should contain - * @return int index of the column that contains specified x-coordinate relative - * to this column model - */ - public int getColumnIndexAtX(int x) - { - for (int i = 0; i < tableColumns.size(); ++i) - { - int w = ((TableColumn)tableColumns.get(i)).getWidth(); - if (0 <= x && x < w) - return i; - else - x -= w; - } - return -1; - } - - /** - * getTotalColumnWidth returns total width of all the columns including - * column's margins. - * - * @return total width of all the columns - */ - public int getTotalColumnWidth() - { - if (totalColumnWidth == -1) - recalcWidthCache(); - return totalColumnWidth; - } - - /** - * setSelectionModel sets selection model that will be used by this ColumnTableModel - * to keep track of currently selected columns - * - * @param model new selection model - * @exception IllegalArgumentException if model is null - */ - public void setSelectionModel(ListSelectionModel model) - { - if (model == null) - throw new IllegalArgumentException(); - - selectionModel = model; - selectionModel.addListSelectionListener(this); - } - - /** - * getSelectionModel returns selection model - * @return ListSelectionModel selection model - */ - public ListSelectionModel getSelectionModel() - { - return selectionModel; - } - - /** - * setColumnSelectionAllowed sets whether column selection is allowed - * or not. - * - * @param flag true if column selection is allowed and false otherwise - */ - public void setColumnSelectionAllowed(boolean flag) - { - columnSelectionAllowed = flag; - } - - /** - * getColumnSelectionAllowed indicates whether column selection is - * allowed or not. - * - * @return boolean true if column selection is allowed and false otherwise. - */ - public boolean getColumnSelectionAllowed() - { - return columnSelectionAllowed; - } - - /** - * getSelectedColumns returns array containing indexes of currently - * selected columns - * - * @return int[] array containing indexes of currently selected columns - */ - public int[] getSelectedColumns() - { - // FIXME: Implementation of this method was taken from private method - // JTable.getSelections(), which is used in various places in JTable - // including selected row calculations and cannot be simply removed. - // This design should be improved to illuminate duplication of code. - - ListSelectionModel lsm = this.selectionModel; - int sz = getSelectedColumnCount(); - int [] ret = new int[sz]; - - int lo = lsm.getMinSelectionIndex(); - int hi = lsm.getMaxSelectionIndex(); - int j = 0; - java.util.ArrayList ls = new java.util.ArrayList(); - if (lo != -1 && hi != -1) - { - switch (lsm.getSelectionMode()) - { - case ListSelectionModel.SINGLE_SELECTION: - ret[0] = lo; - break; - - case ListSelectionModel.SINGLE_INTERVAL_SELECTION: - for (int i = lo; i <= hi; ++i) - ret[j++] = i; - break; - - case ListSelectionModel.MULTIPLE_INTERVAL_SELECTION: - for (int i = lo; i <= hi; ++i) - if (lsm.isSelectedIndex(i)) - ret[j++] = i; - break; - } - } - return ret; - } - - /** - * getSelectedColumnCount returns number of currently selected columns - * @return int number of currently selected columns - */ - public int getSelectedColumnCount() - { - // FIXME: Implementation of this method was taken from private method - // JTable.countSelections(), which is used in various places in JTable - // including selected row calculations and cannot be simply removed. - // This design should be improved to illuminate duplication of code. - - ListSelectionModel lsm = this.selectionModel; - int lo = lsm.getMinSelectionIndex(); - int hi = lsm.getMaxSelectionIndex(); - int sum = 0; - - if (lo != -1 && hi != -1) - { - switch (lsm.getSelectionMode()) - { - case ListSelectionModel.SINGLE_SELECTION: - sum = 1; - break; - - case ListSelectionModel.SINGLE_INTERVAL_SELECTION: - sum = hi - lo + 1; - break; - - case ListSelectionModel.MULTIPLE_INTERVAL_SELECTION: - for (int i = lo; i <= hi; ++i) - if (lsm.isSelectedIndex(i)) - ++sum; - break; - } - } - - return sum; - } - - /** - * addColumnModelListener adds specified listener to the model's - * listener list - * - * @param listener the listener to add - */ - public void addColumnModelListener(TableColumnModelListener listener) - { - listenerList.add(TableColumnModelListener.class, listener); - } - - /** - * removeColumnModelListener removes specified listener from the model's - * listener list. - * - * @param listener the listener to remove - */ - public void removeColumnModelListener(TableColumnModelListener listener) - { - listenerList.remove(TableColumnModelListener.class, listener); - } - - /** - * @since 1.4 - */ - public TableColumnModelListener[] getColumnModelListeners() - { - return (TableColumnModelListener[]) - listenerList.getListeners(TableColumnModelListener.class); - } - - /** - * fireColumnAdded fires TableColumnModelEvent to registered - * TableColumnModelListeners to indicate that column was added - * - * @param e TableColumnModelEvent - */ - protected void fireColumnAdded(TableColumnModelEvent e) - { - TableColumnModelListener[] listeners = getColumnModelListeners(); - - for (int i=0; i< listeners.length; i++) - listeners[i].columnAdded(e); - } - - /** - * fireColumnAdded fires TableColumnModelEvent to registered - * TableColumnModelListeners to indicate that column was removed - * - * @param e TableColumnModelEvent - */ - protected void fireColumnRemoved(TableColumnModelEvent e) - { - TableColumnModelListener[] listeners = getColumnModelListeners(); - - for (int i=0; i< listeners.length; i++) - listeners[i].columnRemoved(e); - } - - /** - * fireColumnAdded fires TableColumnModelEvent to registered - * TableColumnModelListeners to indicate that column was moved - * - * @param e TableColumnModelEvent - */ - protected void fireColumnMoved(TableColumnModelEvent e) - { - TableColumnModelListener[] listeners = getColumnModelListeners(); - - for (int i=0; i< listeners.length; i++) - listeners[i].columnMoved(e); - } - - /** - * fireColumnSelectionChanged fires TableColumnModelEvent to model's - * registered TableColumnModelListeners to indicate that different column - * was selected. - * - * @param evt ListSelectionEvent - */ - protected void fireColumnSelectionChanged(ListSelectionEvent evt) - { - EventListener [] listeners = getListeners(TableColumnModelListener.class); - for (int i = 0; i < listeners.length; ++i) - ((TableColumnModelListener)listeners[i]).columnSelectionChanged(evt); - } - - /** - * fireColumnMarginChanged fires TableColumnModelEvent to model's - * registered TableColumnModelListeners to indicate that column margin - * was changed. - */ - protected void fireColumnMarginChanged() - { - EventListener [] listeners = getListeners(TableColumnModelListener.class); - for (int i = 0; i < listeners.length; ++i) - ((TableColumnModelListener)listeners[i]).columnMarginChanged(changeEvent); - } - - /** - * getListeners returns currently registered listeners with this model. - * @param listenerType type of listeners to return - * - * @return EventListener[] array of model's listeners of the specified type - */ - public EventListener[] getListeners(Class listenerType) - { - return listenerList.getListeners(listenerType); - } - - /** - * propertyChange handles changes occuring in the properties of the - * model's columns. - * - * @param evt PropertyChangeEvent - */ - public void propertyChange(PropertyChangeEvent evt) - { - if (evt.getPropertyName().equals(TableColumn.COLUMN_WIDTH_PROPERTY)) - invalidateWidthCache(); - } - - /** - * valueChanged handles changes in the selectionModel. - * @param e ListSelectionEvent - */ - public void valueChanged(ListSelectionEvent e) - { - fireColumnSelectionChanged(e); - } - - /** - * createSelectionModel creates selection model that will keep track - * of currently selected column(s) - * - * @return ListSelectionModel selection model of the columns - */ - protected ListSelectionModel createSelectionModel() - { - return new DefaultListSelectionModel(); - } - - /** - * recalcWidthCache calculates total width of the columns. - * If the current cache of the total width is in invalidated state, - * then width is recalculated. Otherwise nothing is done. - */ - protected void recalcWidthCache() - { - if (totalColumnWidth == -1) - { - totalColumnWidth = 0; - for (int i = 0; i < tableColumns.size(); ++i) - { - totalColumnWidth += ((TableColumn)tableColumns.get(i)).getWidth(); - } - } - } - - /** - * invalidateWidthCache - */ - private void invalidateWidthCache() - { - totalColumnWidth = -1; - } -} |