diff options
Diffstat (limited to 'libjava/classpath/javax/swing/DefaultCellEditor.java')
| -rw-r--r-- | libjava/classpath/javax/swing/DefaultCellEditor.java | 154 |
1 files changed, 117 insertions, 37 deletions
diff --git a/libjava/classpath/javax/swing/DefaultCellEditor.java b/libjava/classpath/javax/swing/DefaultCellEditor.java index e67e2f5a403..00e00864432 100644 --- a/libjava/classpath/javax/swing/DefaultCellEditor.java +++ b/libjava/classpath/javax/swing/DefaultCellEditor.java @@ -43,16 +43,24 @@ import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; +import java.awt.event.MouseEvent; import java.io.Serializable; import java.util.EventObject; +import javax.swing.JTable; +import javax.swing.JTextField; +import javax.swing.event.CellEditorListener; import javax.swing.table.TableCellEditor; import javax.swing.tree.TreeCellEditor; /** - * DefaultCellEditor - * @author Andrew Selkirk - * @version 1.0 + * The default implementation of {@link TableCellEditor} and + * {@link TreeCellEditor}. It provides editor components for + * some standard object types. + * + * @author Andrew Selkirk + * + * @status mostly unimplemented */ public class DefaultCellEditor extends AbstractCellEditor @@ -61,7 +69,9 @@ public class DefaultCellEditor private static final long serialVersionUID = 3564035141373880027L; /** - * EditorDelegate + * Delegates a couple of method calls (such as {@link #isCellEditable) + * to the component it contains and listens for events that indicate + * that editing has stopped. */ protected class EditorDelegate implements ActionListener, ItemListener, Serializable @@ -75,8 +85,6 @@ public class DefaultCellEditor /** * Constructor EditorDelegate - * - * @param value0 TODO */ protected EditorDelegate() { @@ -87,8 +95,10 @@ public class DefaultCellEditor * * @param event TODO */ - public void setValue(Object event) + public void setValue(Object value) { + // TODO: should be setting the value in the editorComp + this.value = value; } /** @@ -98,7 +108,8 @@ public class DefaultCellEditor */ public Object getCellEditorValue() { - return null; // TODO + // TODO: should be getting the updated value from the editorComp + return value; } // getCellEditorValue() /** @@ -110,7 +121,10 @@ public class DefaultCellEditor */ public boolean isCellEditable(EventObject event) { - return false; // TODO + if (event == null || !(event instanceof MouseEvent) || + (((MouseEvent) event).getClickCount() >= getClickCountToStart())) + return true; + return false; } // isCellEditable() /** @@ -122,7 +136,8 @@ public class DefaultCellEditor */ public boolean shouldSelectCell(EventObject event) { - return false; // TODO + // return true to indicate that the editing cell may be selected + return true; } // shouldSelectCell() /** @@ -132,7 +147,8 @@ public class DefaultCellEditor */ public boolean stopCellEditing() { - return false; // TODO + fireEditingStopped(); + return true; } // stopCellEditing() /** @@ -140,7 +156,7 @@ public class DefaultCellEditor */ public void cancelCellEditing() { - // TODO + fireEditingCanceled(); } // cancelCellEditing() /** @@ -152,7 +168,8 @@ public class DefaultCellEditor */ public boolean startCellEditing(EventObject event) { - return false; // TODO + // return true to indicate that editing has begun + return true; } // startCellEditing() /** @@ -162,7 +179,7 @@ public class DefaultCellEditor */ public void actionPerformed(ActionEvent event) { - // TODO + stopCellEditing(); } // actionPerformed() /** @@ -172,9 +189,23 @@ public class DefaultCellEditor */ public void itemStateChanged(ItemEvent event) { - // TODO + stopCellEditing(); } // itemStateChanged() + void fireEditingStopped() + { + CellEditorListener[] listeners = getCellEditorListeners(); + for (int index = 0; index < listeners.length; index++) + listeners[index].editingStopped(changeEvent); + + } + + void fireEditingCanceled() + { + CellEditorListener[] listeners = getCellEditorListeners(); + for (int index = 0; index < listeners.length; index++) + listeners[index].editingCanceled(changeEvent); + } } // EditorDelegate /** @@ -199,7 +230,8 @@ public class DefaultCellEditor */ public DefaultCellEditor(JTextField textfield) { - // TODO + editorComponent = textfield; + clickCountToStart = 3; } // DefaultCellEditor() /** @@ -209,7 +241,8 @@ public class DefaultCellEditor */ public DefaultCellEditor(JCheckBox checkbox) { - // TODO + editorComponent = checkbox; + clickCountToStart = 1; } // DefaultCellEditor() /** @@ -219,7 +252,8 @@ public class DefaultCellEditor */ public DefaultCellEditor(JComboBox combobox) { - // TODO + editorComponent = combobox; + clickCountToStart = 1; } // DefaultCellEditor() /** @@ -229,7 +263,7 @@ public class DefaultCellEditor */ public Component getComponent() { - return null; // TODO + return editorComponent; } // getComponent() /** @@ -239,7 +273,7 @@ public class DefaultCellEditor */ public int getClickCountToStart() { - return 0; // TODO + return clickCountToStart; } // getClickCountToStart() /** @@ -249,7 +283,7 @@ public class DefaultCellEditor */ public void setClickCountToStart(int count) { - // TODO + clickCountToStart = count; } // setClickCountToStart() /** @@ -259,7 +293,7 @@ public class DefaultCellEditor */ public Object getCellEditorValue() { - return null; // TODO + return delegate.getCellEditorValue(); } // getCellEditorValue() /** @@ -271,7 +305,7 @@ public class DefaultCellEditor */ public boolean isCellEditable(EventObject event) { - return false; // TODO + return delegate.isCellEditable(event); } // isCellEditable() /** @@ -283,7 +317,7 @@ public class DefaultCellEditor */ public boolean shouldSelectCell(EventObject event) { - return false; // TODO + return delegate.shouldSelectCell(event); } // shouldSelectCell() /** @@ -293,7 +327,7 @@ public class DefaultCellEditor */ public boolean stopCellEditing() { - return false; // TODO + return delegate.stopCellEditing(); } // stopCellEditing() /** @@ -301,27 +335,53 @@ public class DefaultCellEditor */ public void cancelCellEditing() { - // TODO + delegate.cancelCellEditing(); } // cancelCellEditing() /** - * getTreeCellEditorComponent + * Sets an initial value for the editor. + * This will cause the editor to stopEditing and lose any partially + * edited value if the editor is editing when this method is called. + * Returns the component that should be added to the client's Component + * hierarchy. Once installed in the client's hierarchy this component will + * then be able to draw and receive user input. * - * @param tree TODO - * @param value TODO - * @param isSelected TODO - * @param expanded TODO - * @param leaf TODO - * @param row TODO + * @param tree - the JTree that is asking the editor to edit; this + * parameter can be null + * @param value - the value of the cell to be edited + * @param isSelected - true is the cell is to be renderer with selection + * highlighting + * @param expanded - true if the node is expanded + * @param leaf - true if the node is a leaf node + * @param row - the row index of the node being edited * - * @returns Component + * @returns Component the component for editing */ public Component getTreeCellEditorComponent(JTree tree, Object value, boolean isSelected, boolean expanded, boolean leaf, int row) { - return null; // TODO + if (editorComponent instanceof JTextField) + { + ((JTextField)editorComponent).setText(value.toString()); + delegate = new EditorDelegate(); + ((JTextField)editorComponent).addActionListener(delegate); + } + else if (editorComponent instanceof JCheckBox) + { + ((JCheckBox)editorComponent).setText(value.toString()); + delegate = new EditorDelegate(); + ((JCheckBox)editorComponent).addActionListener(delegate); + } + else if (editorComponent instanceof JComboBox) + { + ((JComboBox)editorComponent).setSelectedItem(value.toString()); + delegate = new EditorDelegate(); + ((JComboBox)editorComponent).addActionListener(delegate); + } + + return editorComponent; } // getTreeCellEditorComponent() /** @@ -335,10 +395,30 @@ public class DefaultCellEditor * * @returns Component */ - public Component getTableCellEditorComponent(JTable tree, Object value, + public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) { - return null; // TODO + // NOTE: as specified by Sun, we don't call new() everytime, we return + // editorComponent on each call to getTableCellEditorComponent or + // getTreeCellEditorComponent. However, currently JTextFields have a + // problem with getting rid of old text, so without calling new() there + // are some strange results. If you edit more than one cell in the table + // text from previously edited cells may unexpectedly show up in the + // cell you are currently editing. This will be fixed automatically + // when JTextField is fixed. + if (editorComponent instanceof JTextField) + { + ((JTextField)editorComponent).setText(value.toString()); + delegate = new EditorDelegate(); + ((JTextField)editorComponent).addActionListener(delegate); + } + else + { + // TODO + } + return editorComponent; } // getTableCellEditorComponent() + + } |
