2003-10-02 Michael Koch <konqueror@gmx.de>
* javax/swing/table/AbstractTableModel.java (findColumnName): Prevent from NullPointerException if argument columnName is null. 2003-10-02 Michael Koch <konqueror@gmx.de> * javax/swing/table/AbstractTableModel.java: This patch is based on a patch done by Arnaud Vandyck <arnaud.vandyck@ulg.ac.be>. (getColumnName): Fixed method documentation. (findColumn): Likewise. (getColumnClass): Likewise. (isCellEditable): Likewise. (setValueAt): Likewise. (addTableModelListener): Likewise. (removeTableModelListener): Likewise. (getTableModelListeners): New method. 2003-10-02 Michael Koch <konqueror@gmx.de> * javax/swing/table/AbstractTableModel.java: Reformated. From-SVN: r72019
This commit is contained in:
Michael Koch
Michael Koch
parent
ffb344c1a1
commit
16aae3d209
@ -1,3 +1,28 @@
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2003-10-02 Michael Koch <konqueror@gmx.de>
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* javax/swing/table/AbstractTableModel.java
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(findColumnName): Prevent from NullPointerException if argument
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columnName is null.
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2003-10-02 Michael Koch <konqueror@gmx.de>
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* javax/swing/table/AbstractTableModel.java:
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This patch is based on a patch done by Arnaud Vandyck
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<arnaud.vandyck@ulg.ac.be>.
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(getColumnName): Fixed method documentation.
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(findColumn): Likewise.
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(getColumnClass): Likewise.
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(isCellEditable): Likewise.
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(setValueAt): Likewise.
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(addTableModelListener): Likewise.
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(removeTableModelListener): Likewise.
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(getTableModelListeners): New method.
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2003-10-02 Michael Koch <konqueror@gmx.de>
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* javax/swing/table/AbstractTableModel.java:
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Reformated.
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2003-10-01 Bryce McKinlay <bryce@mckinlay.net.nz>
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Fix PR libgcj/12475
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@ -46,273 +46,291 @@ import javax.swing.event.TableModelListener;
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/**
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* AbstractTableModel
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*
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* @author Andrew Selkirk
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*/
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public abstract class AbstractTableModel implements TableModel, Serializable
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{
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static final long serialVersionUID = -5798593159423650347L;
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//-------------------------------------------------------------
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// Variables --------------------------------------------------
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//-------------------------------------------------------------
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/**
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* listenerList
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*/
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protected EventListenerList listenerList = new EventListenerList();
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/**
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* listenerList
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*/
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protected EventListenerList listenerList = new EventListenerList();
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/**
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* Constructor AbstractTableModel
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*/
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public AbstractTableModel()
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{
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// TODO
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}
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//-------------------------------------------------------------
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// Initialization ---------------------------------------------
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//-------------------------------------------------------------
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/**
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* Constructor AbstractTableModel
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*/
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public AbstractTableModel() {
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// TODO
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} // AbstractTableModel()
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//-------------------------------------------------------------
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// Methods ----------------------------------------------------
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//-------------------------------------------------------------
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/**
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* getColumnName
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* @param value0 TODO
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* @returns String
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*/
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public String getColumnName(int columnIndex) {
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// Variables
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int index;
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int left;
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int base;
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int multiplier;
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StringBuffer buffer;
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boolean foundFirst;
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// Ok, this is not the best solution in the world
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// and it does produce wrong answers starting 1378
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// but it's a start. I sure hope there is a more
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// simple algorithm. I started with a base 10 to
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// base 26 converter and later found that there
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// were so many are exceptions that it has morphed
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// into a pile of goop.
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/**
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* Get the name of the column for this index. If you do not override
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* this methode, you'll get something like: 0, A; 1, B; ...; AA; AB;
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* ...
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*
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* @param columnIndex The index of the column.
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*
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* @return The name of the column.
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*/
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public String getColumnName (int columnIndex)
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{
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// Ok, this is not the best solution in the world
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// and it does produce wrong answers starting 1378
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// but it's a start. I sure hope there is a more
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// simple algorithm. I started with a base 10 to
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// base 26 converter and later found that there
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// were so many are exceptions that it has morphed
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// into a pile of goop.
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// NOTE2: I have a working algorithm which is much
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// much simplier and works for all values...I'll
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// be adding it soon...
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// NOTE2: I have a working algorithm which is much
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// much simplier and works for all values...I'll
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// be adding it soon...
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// Process Exponent levels
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buffer = new StringBuffer();
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left = columnIndex;
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foundFirst = false;
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for (index = 6; index >= 0; index--) {
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base = (int) (Math.pow(26, index));
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if (index > 1) {
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base = base + (int) (Math.pow(26, index - 1));
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}
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if (base <= left) {
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multiplier = left / base;
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if (foundFirst == false && index > 0) {
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buffer.append((char) (multiplier + 64));
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} else {
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buffer.append((char) (multiplier + 65));
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}
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left = left - (base * multiplier);
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foundFirst = true;
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} else if (foundFirst == true || index == 0) {
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buffer.append('A');
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}
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} // for
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StringBuffer buffer = new StringBuffer();
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int left = columnIndex;
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boolean foundFirst = false;
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// Process Exponent levels.
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for (int index = 6; index >= 0; index--)
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{
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int base = (int) (Math.pow (26, index));
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if (index > 1)
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{
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base = base + (int) (Math.pow (26, index - 1));
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}
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if (base <= left)
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{
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int multiplier = left / base;
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if (foundFirst == false
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&& index > 0)
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{
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buffer.append ((char) (multiplier + 64));
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}
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else
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{
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buffer.append ((char) (multiplier + 65));
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}
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left = left - (base * multiplier);
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foundFirst = true;
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}
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else if (foundFirst == true
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|| index == 0)
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{
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buffer.append('A');
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}
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}
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// Return Column Name
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return buffer.toString();
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// Return column name.
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return buffer.toString();
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}
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} // getColumnName()
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/**
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* Return the index of the given name.
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*
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* @param columnName The name of the column.
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*
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* @return The index of the column, -1 if not found.
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*/
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public int findColumn (String columnName)
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{
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int count = getColumnCount();
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for (int index = 0; index < count; index++)
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{
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String name = getColumnName (index);
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if (name.equals (columnName))
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return index;
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}
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/**
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* findColumn
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* @param value0 TODO
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* @returns int
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*/
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public int findColumn(String columnName) {
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// Unable to locate.
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return -1;
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}
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// Variables
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int index;
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String name;
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int count;
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/**
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* Returns the class of a comlumn.
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*
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* @param columnIndex The index of the column.
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*
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* @return The class type of the column.
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*/
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public Class getColumnClass (int columnIndex)
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{
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return Object.class;
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}
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// Process Columns
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count = getColumnCount();
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for (index = 0; index < count; index++) {
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name = getColumnName(index);
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if (columnName.equals(name) == true) {
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return index;
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} // if
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} // for
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/**
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* Tells whether a cell is editable.
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*
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* @param rowIndex The row of the cell.
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* @param columnIndex The index of the cell.
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*
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* @return True if cell is editable.
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*/
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public boolean isCellEditable (int rowIndex, int columnIndex)
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{
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return false;
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}
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// Unable to Locate
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return -1;
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/**
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* Sets a cell to a value.
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*
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* @param value New value of cell.
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* @param rowIndex The row of the cell.
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* @param columnIndex The column of the cell.
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*/
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public void setValueAt (Object value, int rowIndex, int columnIndex)
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{
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// Do nothing...
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}
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} // findColumn()
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/**
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* Add a TableModelListener.
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*
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* @param listener The listener to add.
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*/
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public void addTableModelListener (TableModelListener listener)
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{
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listenerList.add (TableModelListener.class, listener);
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}
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/**
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* getColumnClass
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* @param value0 TODO
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* @returns Class
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*/
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public Class getColumnClass(int columnIndex) {
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return Object.class;
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} // getColumnClass()
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/**
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* Removes a TableModelListener.
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*
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* @param listener The listener to remove.
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*/
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public void removeTableModelListener (TableModelListener listener)
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{
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listenerList.remove (TableModelListener.class, listener);
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}
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/**
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* isCellEditable
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* @param value0 TODO
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* @param value1 TODO
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* @returns boolean
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*/
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public boolean isCellEditable(int rowIndex, int columnIndex) {
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return false;
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} // isCellEditable()
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/**
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* Return all registered TableModelListener objects.
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*
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* @return Array of TableModelListener objects.
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*
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* @since 1.4
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*/
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public TableModelListener[] getTableModelListeners()
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{
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return (TableModelListener[])
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listenerList.getListeners (TableModelListener.class);
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}
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/**
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* setValueAt
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* @param value0 TODO
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* @param value1 TODO
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* @param value2 TODO
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*/
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public void setValueAt(Object value, int rowIndex, int columnIndex) {
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// Do nothing...
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} // setValueAt()
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/**
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* fireTableDataChanged
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*/
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public void fireTableDataChanged()
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{
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fireTableChanged (new TableModelEvent (this));
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}
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/**
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* addTableModelListener
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* @param value0 TODO
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*/
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public void addTableModelListener(TableModelListener listener) {
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listenerList.add(TableModelListener.class, listener);
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} // addTableModelListener()
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/**
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* fireTableStructureChanged
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*/
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public void fireTableStructureChanged()
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{
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fireTableChanged (new TableModelEvent (this, TableModelEvent.HEADER_ROW));
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}
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/**
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* removeTableModelListener
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* @param value0 TODO
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*/
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public void removeTableModelListener(TableModelListener listener) {
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listenerList.remove(TableModelListener.class, listener);
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} // removeTableModelListener()
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/**
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* fireTableRowsInserted
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void fireTableRowsInserted (int firstRow, int lastRow)
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{
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fireTableChanged (new TableModelEvent (this, firstRow, lastRow,
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TableModelEvent.ALL_COLUMNS,
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TableModelEvent.INSERT));
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}
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/**
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* fireTableDataChanged
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*/
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public void fireTableDataChanged() {
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fireTableChanged(new TableModelEvent(this));
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} // fireTableDataChanged()
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/**
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* fireTableRowsUpdated
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void fireTableRowsUpdated (int firstRow, int lastRow)
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{
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fireTableChanged (new TableModelEvent (this, firstRow, lastRow,
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TableModelEvent.ALL_COLUMNS,
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TableModelEvent.UPDATE));
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}
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/**
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* fireTableStructureChanged
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*/
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public void fireTableStructureChanged() {
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fireTableChanged(new TableModelEvent(this,
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TableModelEvent.HEADER_ROW));
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} // fireTableStructureChanged()
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/**
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* fireTableRowsDeleted
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void fireTableRowsDeleted(int firstRow, int lastRow)
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{
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fireTableChanged (new TableModelEvent (this, firstRow, lastRow,
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TableModelEvent.ALL_COLUMNS,
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TableModelEvent.DELETE));
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}
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/**
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* fireTableRowsInserted
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void fireTableRowsInserted(int firstRow, int lastRow) {
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fireTableChanged(new TableModelEvent(this, firstRow, lastRow,
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TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT));
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} // fireTableRowsInserted()
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/**
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* fireTableCellUpdated
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void fireTableCellUpdated (int row, int column)
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{
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fireTableChanged (new TableModelEvent (this, row, row, column));
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}
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/**
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* fireTableRowsUpdated
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void fireTableRowsUpdated(int firstRow, int lastRow) {
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fireTableChanged(new TableModelEvent(this, firstRow, lastRow,
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TableModelEvent.ALL_COLUMNS, TableModelEvent.UPDATE));
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} // fireTableRowsUpdated()
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/**
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* fireTableRowsDeleted
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void fireTableRowsDeleted(int firstRow, int lastRow) {
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fireTableChanged(new TableModelEvent(this, firstRow, lastRow,
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TableModelEvent.ALL_COLUMNS, TableModelEvent.DELETE));
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} // fireTableRowsDeleted()
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/**
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* fireTableCellUpdated
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void fireTableCellUpdated(int row, int column) {
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fireTableChanged(new TableModelEvent(this, row, row, column));
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} // fireTableCellUpdated()
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/**
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* fireTableChanged
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* @param value0 TODO
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*/
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public void fireTableChanged(TableModelEvent event) {
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// Variables
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Object[] list;
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int index;
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TableModelListener listener;
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/**
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* fireTableChanged
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* @param value0 TODO
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*/
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public void fireTableChanged (TableModelEvent event)
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{
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int index;
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TableModelListener listener;
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Object[] list = listenerList.getListenerList();
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// Get Listener List
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list = listenerList.getListenerList();
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for (index = 0; index < list.length; index += 2) {
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// Get Listener
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listener = (TableModelListener) list[index + 1];
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// Notify Listener
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listener.tableChanged(event);
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} // for: index
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for (index = 0; index < list.length; index += 2)
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{
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listener = (TableModelListener) list [index + 1];
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listener.tableChanged (event);
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}
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}
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} // fireTableChanged()
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/**
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* getListeners
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* @param value0 TODO
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* @return EventListener[]
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*/
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public EventListener[] getListeners (Class listenerType)
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{
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return listenerList.getListeners (listenerType);
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}
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/**
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* getListeners
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* @param value0 TODO
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* @returns EventListener[]
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*/
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public EventListener[] getListeners(Class listenerType) {
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return listenerList.getListeners(listenerType);
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} // getListeners()
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/**
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* getValueAt
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* @param value0 TODO
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* @param value1 TODO
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* @return Object
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*/
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public abstract Object getValueAt (int row, int column);
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/**
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* getValueAt
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* @param value0 TODO
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* @param value1 TODO
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* @returns Object
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*/
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public abstract Object getValueAt(int row, int column);
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/**
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* getColumnCount
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* @returns int
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*/
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public abstract int getColumnCount();
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/**
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* getRowCount
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* @returns int
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*/
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public abstract int getRowCount();
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/**
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* getColumnCount
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* @return int
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*/
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public abstract int getColumnCount();
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/**
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* getRowCount
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* @return int
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*/
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public abstract int getRowCount();
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} // AbstractTableModel
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