Implement #4 Set ComboBox AutoReducible - Thanks to Yan and Derek
http://hg.idempiere.com/idempiere/issue/4/set-combobox-autoreducible http://www.red1.org/adempiere/viewtopic.php?f=31&t=1203
This commit is contained in:
Carlos Ruiz
parent
98464c0934
commit
8d447eebe1
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@ -39,7 +39,7 @@ public class VComboBox extends CComboBox
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/**
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*
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*/
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private static final long serialVersionUID = 2024662772161020317L;
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private static final long serialVersionUID = 7632613004262943867L;
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/**
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* Constructor
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@ -156,7 +156,7 @@ public class VComboBox extends CComboBox
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*/
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public String getDisplay()
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{
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if (getSelectedIndex() == -1)
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if (getSelectedItem() == null)
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return "";
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//
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NamePair p = (NamePair)getSelectedItem();
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@ -165,4 +165,12 @@ public class VComboBox extends CComboBox
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return p.getName();
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} // getDisplay
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@Override
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protected boolean isMatchingFilter(Object element)
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{
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if (element instanceof NamePair)
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element = ((NamePair)element).getName();
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return super.isMatchingFilter(element);
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}
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} // VComboBox
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@ -274,7 +274,7 @@ public class VLookup extends JComponent
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m_lookup.fillComboBox (isMandatory(), true, true, false);
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m_combo.setModel(m_lookup);
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//
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AutoCompletion.enable(m_combo);
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// AutoCompletion.enable(m_combo);
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m_combo.addActionListener(this); // Selection
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m_combo.getEditor().getEditorComponent().addMouseListener(mouseAdapter); // popup
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// FocusListener to refresh selection before opening
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@ -17,16 +17,32 @@
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package org.compiere.swing;
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import java.awt.Color;
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import java.awt.event.FocusEvent;
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import java.awt.event.FocusListener;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.util.ArrayList;
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import java.util.Vector;
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import javax.swing.ComboBoxModel;
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import javax.swing.DefaultComboBoxModel;
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import javax.swing.FocusManager;
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import javax.swing.Icon;
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import javax.swing.JButton;
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import javax.swing.JComboBox;
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import javax.swing.JComponent;
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import javax.swing.JTextField;
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import javax.swing.MutableComboBoxModel;
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import javax.swing.SwingUtilities;
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import javax.swing.event.EventListenerList;
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import javax.swing.event.ListDataEvent;
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import javax.swing.event.ListDataListener;
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import javax.swing.plaf.ComboBoxUI;
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import javax.swing.text.JTextComponent;
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import org.adempiere.plaf.AdempierePLAF;
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import org.compiere.plaf.CompiereComboBoxUI;
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@ -45,7 +61,7 @@ public class CComboBox extends JComboBox
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/**
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*
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*/
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private static final long serialVersionUID = 4605625077881909766L;
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private static final long serialVersionUID = 5918151626085721856L;
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/**
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* Creates a <code>JComboBox</code> that takes it's items from an
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@ -141,12 +157,88 @@ public class CComboBox extends JComboBox
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/** Field Height */
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public static int FIELD_HIGHT = 0;
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/** Property key for auto-reduction. */
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public static final String AUTO_REDUCIBLE_PROPERTY = "autoReducible";
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/** Property key for case sensitive auto-reduction. */
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public static final String CASE_SENSITIVE_PROPERTY = "caseSensitive";
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/** View model for hiding showing only filtered data */
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ReducibleModel m_reducibleModel;
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/** Key listener for triggering an update the filtering model . */
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private ReducibleKeyListener reducibleKeyListener = new ReducibleKeyListener();
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/** Reference Field */
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private static JTextField s_text = new JTextField(15);
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/**
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* Common Init
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*/
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private void init()
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{
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FIELD_HIGHT = getPreferredSize().height;
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setEditable(true);
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setAutoReducible(true);
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addMouseListener(new MouseAdapter()
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{
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public void mousePressed(MouseEvent me) {
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if (SwingUtilities.isLeftMouseButton(me) && isAutoReducible())
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updateReducibleModel(false);
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}
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});
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// when auto-reducing, the focus listener will ensure all data choices
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// are shown on initial focus, and that a valid selection is in place
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// when focus is lost
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final JTextComponent textComponent =
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(JTextComponent)getEditor().getEditorComponent();
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textComponent.addFocusListener(new FocusListener()
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{
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public void focusGained(FocusEvent fe)
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{
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if (isEditable())
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textComponent.selectAll();
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textComponent.repaint();
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}
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public void focusLost(FocusEvent fe)
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{
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if (isAutoReducible())
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{
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Object item = m_reducibleModel.getSelectedItem();
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item = (item == null && m_reducibleModel.getSize() != 0) ?
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m_reducibleModel.getElementAt(0) : item;
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if (item == null)
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{
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updateReducibleModel(false);
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if (m_reducibleModel.getSize() != 0)
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item = m_reducibleModel.getElementAt(0);
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else
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return;
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}
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m_reducibleModel.setSelectedItem(item);
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}
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textComponent.setCaretPosition(0);
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hidePopup();
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textComponent.repaint();
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}
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});
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textComponent.addMouseListener(new MouseAdapter()
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{
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public void mouseClicked(MouseEvent me) {
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if (SwingUtilities.isLeftMouseButton(me) &&
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isAutoReducible() &&
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!isPopupVisible())
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{
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updateReducibleModel(false);
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showPopup();
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}
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}
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});
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} // init
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@ -166,6 +258,23 @@ public class CComboBox extends JComboBox
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m_icon = defaultIcon;
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} // setIcon
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public ComboBoxModel getCompleteComboBoxModel()
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{
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return m_reducibleModel.getModel();
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} // getCompleteComboBoxModel
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/**
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* @see javax.swing.JComboBox#setModel(javax.swing.ComboBoxModel)
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*/
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public void setModel(ComboBoxModel aModel)
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{
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m_reducibleModel = (m_reducibleModel == null) ? new ReducibleModel() : m_reducibleModel;
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m_reducibleModel.setModel(aModel);
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super.setModel(m_reducibleModel);
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} // setModel
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/**
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* Set UI and re-set Icon for arrow button
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* @param ui
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@ -345,4 +454,535 @@ public class CComboBox extends JComboBox
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setName(actionCommand);
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} // setActionCommand
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/**
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* Called only when auto-reducing. By default, does a case insensitive
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* string search for a match in the string representation of the given
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* element.
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*
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* @param element an element in the combo box model
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*
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* @return true if the choice is to be displayed in the popup menu
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*/
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protected boolean isMatchingFilter(Object element)
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{
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String str = (element != null) ? element.toString().trim() : "";
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str = isCaseSensitive() ? str : str.toLowerCase();
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return str.indexOf(m_reducibleModel.getMatchingFilter()) > -1;
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}
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/**
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* Is the combo box auto-reducible?
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*
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* @return true if isAutoReducible()
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*/
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public boolean isAutoReducible()
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{
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Boolean b = (Boolean)getClientProperty(AUTO_REDUCIBLE_PROPERTY);
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return (b != null) && b.booleanValue();
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}
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/**
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* Set whether the combo box is auto-reducible. The combo box must also be editable
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* for auto-reduction to fully functional. Auto-reduction of data will preclude
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* the ability for users to enter in their own choices.
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*
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* @param autoreducible true will activate auto-reduction of choices when user enters text
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*/
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public void setAutoReducible(boolean autoreducible)
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{
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if (isAutoReducible() != autoreducible)
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{
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putClientProperty(AUTO_REDUCIBLE_PROPERTY, Boolean.valueOf(autoreducible));
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updateReducibleModel(false);
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JTextComponent textComponent =
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(JTextComponent)getEditor().getEditorComponent();
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if (autoreducible)
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textComponent.addKeyListener(reducibleKeyListener);
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else
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textComponent.removeKeyListener(reducibleKeyListener);
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}
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}
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/**
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* Is the auto-reduction case sensitive?
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*
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* @return true if case sensitive
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*/
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public boolean isCaseSensitive()
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{
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Boolean b = (Boolean)getClientProperty(CASE_SENSITIVE_PROPERTY);
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return (b != null) && b.booleanValue();
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}
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/* (non-Javadoc)
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* @see javax.swing.JComboBox#removeAllItems()
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*/
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public void removeAllItems()
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{
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m_reducibleModel.removeAllElements();
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}
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/**
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* Set whether auto-reduction is case sensitive.
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*
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* @param caseSensitive true will make auto-reduction is case sensitive
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*/
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public void setCaseSensitive(boolean caseSensitive)
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{
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putClientProperty(CASE_SENSITIVE_PROPERTY, Boolean.valueOf(caseSensitive));
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}
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/**
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* Updates the auto-reduction model.
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*
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* @param filtering true if the underlying data model should be filtered
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*/
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void updateReducibleModel(boolean filtering)
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{
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if (filtering ||
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m_reducibleModel.getSize() != m_reducibleModel.getModel().getSize())
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{
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if (getParent() != null)
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hidePopup();
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// remember to caret position
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JTextComponent textComponent =
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(JTextComponent)getEditor().getEditorComponent();
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int pos = textComponent.getCaretPosition();
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m_reducibleModel.setFilter(textComponent.getText());
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// update the model
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m_reducibleModel.updateModel(filtering);
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// reset the caret
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textComponent.setText(m_reducibleModel.getFilter());
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textComponent.setCaretPosition(pos);
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// ensure the combo box is resized to match the popup, if necessary
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if (getParent() != null)
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{
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getParent().validate();
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getParent().repaint();
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if (isShowing() && m_reducibleModel.getSize() > 0) {
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// only show the popup if there is something to show
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showPopup();
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}
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}
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}
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}
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/**
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* A view adapter model to hide filtered choices in the underlying combo box model.
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*/
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private class ReducibleModel implements MutableComboBoxModel, ListDataListener
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{
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/**
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* Default constructor. Creates a ReducibleModel.
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*/
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public ReducibleModel()
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{
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}
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/** The wrapped data model. */
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private ComboBoxModel m_model;
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/** The wrapped data model. */
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private EventListenerList m_listenerList = new EventListenerList();
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/** The filtered data. */
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private ArrayList<Object> m_visibleData = new ArrayList<Object>();
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/** The filtered data. */
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private ArrayList<Object> m_modelData = new ArrayList<Object>();
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/** The current filter. */
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private String m_filter = "";
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/** The cached filter for case insensitive filtering. */
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private String m_lcFilter = "";
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/**
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* Pass through to the wrapped model if underlying model is MutableComboBoxModel.
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*
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* @see javax.swing.DefaultComboBoxModel#addElement(java.lang.Object)
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*/
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public void addElement(Object anObject)
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{
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checkMutableComboBoxModel();
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m_modelData.add(anObject);
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((MutableComboBoxModel)m_model).addElement(anObject);
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}
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/* (non-Javadoc)
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* @see javax.swing.ListModel#addListDataListener(javax.swing.event.ListDataListener)
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*/
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public void addListDataListener(ListDataListener ldl)
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{
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m_listenerList.remove(ListDataListener.class, ldl);
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m_listenerList.add(ListDataListener.class, ldl);
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}
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/**
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* Checks that the <code>dataModel</code> is an instance of
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* <code>MutableComboBoxModel</code>. If not, it throws an exception.
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*
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* @exception RuntimeException if <code>dataModel</code> is not an
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* instance of <code>MutableComboBoxModel</code>.
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*/
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void checkMutableComboBoxModel()
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{
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if ( !(m_model instanceof MutableComboBoxModel) )
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throw new RuntimeException("Cannot use this method with a non-Mutable data model.");
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}
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/* (non-Javadoc)
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* @see javax.swing.event.ListDataListener#contentsChanged(javax.swing.event.ListDataEvent)
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*/
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public void contentsChanged(ListDataEvent lde)
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{
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updateDataModel();
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updateModel(false);
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if (isPopupVisible())
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{
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hidePopup();
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showPopup();
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}
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}
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/**
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*
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*/
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private void fireContentsChanged()
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{
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ListDataEvent lde = null;
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for (ListDataListener ldl : getListDataListeners())
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{
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lde = (lde == null) ?
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new ListDataEvent(this, ListDataEvent.CONTENTS_CHANGED, 0, getSize()) : lde;
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ldl.contentsChanged(lde);
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}
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}
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/* (non-Javadoc)
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* @see javax.swing.ListModel#getElementAt(int)
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*/
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public Object getElementAt(int index)
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{
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return m_visibleData.get(index);
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}
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/**
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* Return the current filter.
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*
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* @return the filter
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*/
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public String getFilter()
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{
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return m_filter;
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}
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/**
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*
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*/
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public ListDataListener[] getListDataListeners()
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{
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return (ListDataListener[])m_listenerList.getListeners(ListDataListener.class);
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}
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/**
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* @return the filter to use for matching; hecks case sensistivity
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*/
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protected String getMatchingFilter()
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{
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return isCaseSensitive() ? m_filter : m_lcFilter;
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}
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/**
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* @return the wrapped model
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*/
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public ComboBoxModel getModel()
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{
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return m_model;
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}
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/**
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* @return the selected item in the wrapped model
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*
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* @see javax.swing.DefaultComboBoxModel#getSelectedItem()
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*/
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public Object getSelectedItem()
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{
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return m_model.getSelectedItem();
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}
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/* (non-Javadoc)
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* @see javax.swing.ListModel#getSize()
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*/
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public int getSize()
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{
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return m_visibleData.size();
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}
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/**
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* Pass through to the wrapped model if underlying model is MutableComboBoxModel.
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*
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* @see javax.swing.DefaultComboBoxModel#insertElementAt(java.lang.Object, int)
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*/
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public void insertElementAt(Object anObject, int index)
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{
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checkMutableComboBoxModel();
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m_modelData.add(index, anObject);
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((MutableComboBoxModel)m_model).insertElementAt(anObject, index);
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}
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/**
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* Pass through to the wrapped model if underlying model is MutableComboBoxModel.
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*
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* @see javax.swing.event.ListDataListener#intervalAdded(javax.swing.event.ListDataEvent)
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*/
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public void intervalAdded(ListDataEvent lde)
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{
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updateDataModel();
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updateModel(false);
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}
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/**
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* Pass through to the wrapped model if underlying model is MutableComboBoxModel.
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*
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* @see javax.swing.event.ListDataListener#intervalRemoved(javax.swing.event.ListDataEvent)
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*/
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public void intervalRemoved(ListDataEvent lde)
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{
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updateDataModel();
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updateModel(false);
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}
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/**
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*
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*/
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public void removeAllElements()
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{
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checkMutableComboBoxModel();
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ListDataListener[] listeners = getListDataListeners();
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for (int i = 0; i < listeners.length; i++)
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removeListDataListener(listeners[i]);
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m_model.removeListDataListener(this);
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m_modelData.clear();
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m_visibleData.clear();
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while (m_model.getSize() > 0)
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((MutableComboBoxModel)m_model).removeElementAt(0);
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for (ListDataListener ldl : listeners)
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addListDataListener(ldl);
|
||||
m_model.addListDataListener(this);
|
||||
|
||||
updateModel(false);
|
||||
}
|
||||
|
||||
/**
|
||||
* Pass through to the wrapped model if underlying model is MutableComboBoxModel.
|
||||
*
|
||||
* @see javax.swing.DefaultComboBoxModel#removeElement(java.lang.Object)
|
||||
*/
|
||||
public void removeElement(Object anObject)
|
||||
{
|
||||
checkMutableComboBoxModel();
|
||||
m_modelData.remove(anObject);
|
||||
m_visibleData.clear();
|
||||
((MutableComboBoxModel)m_model).removeElement(anObject);
|
||||
}
|
||||
|
||||
/**
|
||||
* Pass through to the wrapped model if underlying model is MutableComboBoxModel.
|
||||
*
|
||||
* @see javax.swing.DefaultComboBoxModel#removeElementAt(int)
|
||||
*/
|
||||
public void removeElementAt(int index)
|
||||
{
|
||||
checkMutableComboBoxModel();
|
||||
m_modelData.remove(index);
|
||||
m_visibleData.clear();
|
||||
((MutableComboBoxModel)m_model).removeElementAt(index);
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see javax.swing.ListModel#removeListDataListener(javax.swing.event.ListDataListener)
|
||||
*/
|
||||
public void removeListDataListener(ListDataListener ldl)
|
||||
{
|
||||
m_listenerList.remove(ListDataListener.class, ldl);
|
||||
}
|
||||
|
||||
/**
|
||||
* @param filter the filter to set
|
||||
*/
|
||||
public void setFilter(String filter)
|
||||
{
|
||||
this.m_filter = (filter != null) ? filter : "";
|
||||
m_lcFilter = filter.trim().toLowerCase();
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the wrapped combo box model.
|
||||
*
|
||||
* @param model the model to set
|
||||
*/
|
||||
public void setModel(ComboBoxModel model)
|
||||
{
|
||||
if (this.m_model != null)
|
||||
this.m_model.removeListDataListener(this);
|
||||
|
||||
this.m_model = model;
|
||||
updateDataModel();
|
||||
m_filter = "";
|
||||
|
||||
model.addListDataListener(this);
|
||||
updateModel(false);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the selected item in the wrapped model.
|
||||
*
|
||||
* @see javax.swing.DefaultComboBoxModel#setSelectedItem(java.lang.Object)
|
||||
*/
|
||||
public void setSelectedItem(Object anObject)
|
||||
{
|
||||
if (anObject == null || m_modelData.contains(anObject))
|
||||
m_model.setSelectedItem(anObject);
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the view model based on whether filtering or not.
|
||||
*
|
||||
* @param filtering true if the underlying model is to be filtered
|
||||
*/
|
||||
public void updateDataModel()
|
||||
{
|
||||
m_modelData.clear();
|
||||
int size = m_model.getSize();
|
||||
for (int i = 0; i < size; i++)
|
||||
m_modelData.add(m_model.getElementAt(i));
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the view model based on whether filtering or not.
|
||||
*
|
||||
* @param filtering true if the underlying model is to be filtered
|
||||
*/
|
||||
public void updateModel(boolean filtering)
|
||||
{
|
||||
boolean includeAll = !filtering || !isAutoReducible() || "".equals(m_lcFilter);
|
||||
if (includeAll)
|
||||
{
|
||||
m_visibleData.clear();
|
||||
m_visibleData.addAll(m_modelData);
|
||||
}
|
||||
else
|
||||
{
|
||||
m_visibleData.clear();
|
||||
Object selected = getSelectedItem();
|
||||
ListDataListener[] listeners = getListDataListeners();
|
||||
for (int i = 0; i < listeners.length; i++)
|
||||
removeListDataListener(listeners[i]);
|
||||
m_model.removeListDataListener(this);
|
||||
|
||||
|
||||
int size = m_model.getSize();
|
||||
|
||||
for (int i = 0; i < size; i++)
|
||||
{
|
||||
Object element = m_model.getElementAt(i);
|
||||
if (element == null || isMatchingFilter(element))
|
||||
{
|
||||
m_visibleData.add(element);
|
||||
}
|
||||
}
|
||||
|
||||
if (m_visibleData.contains(selected) || selected == null)
|
||||
setSelectedItem(selected);
|
||||
|
||||
for (ListDataListener ldl : listeners)
|
||||
addListDataListener(ldl);
|
||||
m_model.addListDataListener(this);
|
||||
}
|
||||
|
||||
fireContentsChanged();
|
||||
}
|
||||
} // ReducibleModel
|
||||
|
||||
/**
|
||||
* Key listener for editor's text compontent to trigger auto-reduction. Only
|
||||
* used when auto-reduction is enabled.
|
||||
*/
|
||||
class ReducibleKeyListener extends KeyAdapter
|
||||
{
|
||||
/** Invokes autoreduction. */
|
||||
private Runnable m_invoker = new Runnable()
|
||||
{
|
||||
public void run()
|
||||
{
|
||||
updateReducibleModel(true);
|
||||
}
|
||||
};
|
||||
|
||||
/** Visibly updates the popup menu. */
|
||||
private Runnable m_updateMenu = new Runnable()
|
||||
{
|
||||
public void run()
|
||||
{
|
||||
hidePopup();
|
||||
getParent().validate();
|
||||
getParent().repaint();
|
||||
showPopup();
|
||||
}
|
||||
};
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see java.awt.event.KeyAdapter#keyPressed(java.awt.event.KeyEvent)
|
||||
*/
|
||||
public void keyPressed(KeyEvent ke)
|
||||
{
|
||||
if (ke.getKeyCode() != KeyEvent.VK_CONTROL &&
|
||||
ke.getKeyCode() != KeyEvent.VK_ALT &&
|
||||
ke.getKeyCode() != KeyEvent.VK_SHIFT &&
|
||||
( ke.getModifiersEx() & InputEvent.ALT_DOWN_MASK ) == 0 )
|
||||
{
|
||||
if (ke.getKeyCode() == KeyEvent.VK_ENTER ||
|
||||
ke.getKeyCode() == KeyEvent.VK_TAB)
|
||||
{
|
||||
// enter key pressed, so complete editing and select item
|
||||
Object selObject = getSelectedItem();
|
||||
selObject = (selObject == null && getItemCount() > 0) ? getItemAt(0) : selObject;
|
||||
setSelectedItem(selObject);
|
||||
getEditor().setItem(getSelectedItem());
|
||||
}
|
||||
else if (ke.getKeyCode() == KeyEvent.VK_ESCAPE)
|
||||
{
|
||||
// escape key ends editing and rejects focus of text editor
|
||||
FocusManager.getCurrentManager().upFocusCycle();
|
||||
}
|
||||
else if (ke.getKeyCode() == KeyEvent.VK_UP ||
|
||||
ke.getKeyCode() == KeyEvent.VK_KP_UP ||
|
||||
ke.getKeyCode() == KeyEvent.VK_DOWN ||
|
||||
ke.getKeyCode() == KeyEvent.VK_KP_DOWN)
|
||||
{
|
||||
// up or down selects new value
|
||||
SwingUtilities.invokeLater(m_updateMenu);
|
||||
}
|
||||
else
|
||||
{
|
||||
// key typed, so filter
|
||||
SwingUtilities.invokeLater(m_invoker);
|
||||
setSelectedItem(null);
|
||||
}
|
||||
}
|
||||
}
|
||||
} // ReducibleKeyListener
|
||||
|
||||
} // CComboBox
|
||||
|
|
|
|||
Loading…
Reference in New Issue