FR [ 1820783 ] AutoCompletion: posibility to toggle strict mode
* fixed javadoc * fixed indentation
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teo_sarca
parent
27efd9b851
commit
3f1753319e
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@ -1,30 +1,55 @@
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package org.compiere.grid.ed;
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import java.awt.event.*;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import javax.swing.*;
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import javax.swing.text.*;
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import org.compiere.swing.CComboBox;
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//phib: this is from http://www.orbital-computer.de/JComboBox
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//with some minor revisions for Adempiere
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/* This work is hereby released into the Public Domain.
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* To view a copy of the public domain dedication, visit
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* http://creativecommons.org/licenses/publicdomain/
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*/
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package org.compiere.grid.ed;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.FocusAdapter;
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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.KeyAdapter;
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import java.awt.event.KeyEvent;
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import java.awt.event.KeyListener;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import javax.swing.ComboBoxEditor;
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import javax.swing.ComboBoxModel;
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import javax.swing.UIManager;
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import javax.swing.text.AttributeSet;
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import javax.swing.text.BadLocationException;
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import javax.swing.text.JTextComponent;
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import javax.swing.text.PlainDocument;
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import org.compiere.swing.CComboBox;
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/**
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* Auto completion behaviour for a combo box
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*
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* @author phib: this is from http://www.orbital-computer.de/JComboBox
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* with some minor revisions for Adempiere
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* @author Teo Sarca, SC ARHIPAC SERVICE SRL
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* <li>BF [ 1735043 ] AutoCompletion: drop down box is showed even if i press Caps
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* <li>FR [ 1820783 ] AutoCompletion: posibility to toggle strict mode
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* <li>BF [ 1820778 ] ESC(cancel editing) key not working if you are on VComboBox
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*/
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public class AutoCompletion extends PlainDocument {
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private static final long serialVersionUID = 1L;
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CComboBox comboBox;
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ComboBoxModel model;
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JTextComponent editor;
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// flag to indicate if setSelectedItem has been called
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// subsequent calls to remove/insertString should be ignored
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/**
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* Flag to indicate if setSelectedItem has been called
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* subsequent calls to remove/insertString should be ignored
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*/
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boolean selecting=false;
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boolean hidePopupOnFocusLoss;
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boolean hitBackspace=false;
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boolean hitBackspaceOnSelection;
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/** Strict mode */
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private boolean m_strictMode = true;
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KeyListener editorKeyListener;
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FocusListener editorFocusListener;
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@ -54,17 +79,22 @@ public class AutoCompletion extends PlainDocument {
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return;
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}
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if (comboBox.isDisplayable()) comboBox.setPopupVisible(true);
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if (comboBox.isDisplayable())
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comboBox.setPopupVisible(true);
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if(!m_strictMode)
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return;
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hitBackspace=false;
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switch (e.getKeyCode()) {
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// determine if the pressed key is backspace (needed by the remove method)
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case KeyEvent.VK_BACK_SPACE : hitBackspace=true;
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hitBackspaceOnSelection=editor.getSelectionStart()!=editor.getSelectionEnd();
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break;
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// ignore delete key
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case KeyEvent.VK_DELETE : e.consume();
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UIManager.getLookAndFeel().provideErrorFeedback(comboBox);
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break;
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// determine if the pressed key is backspace (needed by the remove method)
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case KeyEvent.VK_BACK_SPACE :
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hitBackspace=true;
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hitBackspaceOnSelection=editor.getSelectionStart()!=editor.getSelectionEnd();
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break;
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// ignore delete key
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case KeyEvent.VK_DELETE :
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e.consume();
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UIManager.getLookAndFeel().provideErrorFeedback(comboBox);
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break;
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}
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}
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};
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@ -87,11 +117,26 @@ public class AutoCompletion extends PlainDocument {
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highlightCompletedText(0);
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}
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/**
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* Enable auto completion for a combo box (strict mode)
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* @param comboBox
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*/
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public static void enable(CComboBox comboBox) {
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enable(comboBox, true);
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}
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/**
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* Enable auto completion for a combo box
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* @param comboBox
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* @param strictMode true if you want to set strict mode
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*/
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public static void enable(CComboBox comboBox, boolean strictMode) {
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// has to be editable
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comboBox.setEditable(true);
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// change the editor's document
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new AutoCompletion(comboBox);
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AutoCompletion ac = new AutoCompletion(comboBox);
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// set strict mode
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ac.setStrictMode(strictMode);
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}
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void configureEditor(ComboBoxEditor newEditor) {
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@ -140,15 +185,20 @@ public class AutoCompletion extends PlainDocument {
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if (item != null) {
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setSelectedItem(item);
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} else {
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if ( offs == 0 )
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setSelectedItem(null); //null is valid for non-mandatory fields
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//so if cursor is at start of line allow it
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// otherwise keep old item selected if there is no better match
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else
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item = comboBox.getSelectedItem();
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// undo the insertion as there isn't a valid match
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offs = offs-str.length();
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UIManager.getLookAndFeel().provideErrorFeedback(comboBox);
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if (m_strictMode) {
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if ( offs == 0 )
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setSelectedItem(null); //null is valid for non-mandatory fields
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//so if cursor is at start of line allow it
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// otherwise keep old item selected if there is no better match
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else
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item = comboBox.getSelectedItem();
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// undo the insertion as there isn't a valid match
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offs = offs-str.length();
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UIManager.getLookAndFeel().provideErrorFeedback(comboBox);
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}
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else {
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return;
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}
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}
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if (item != null)
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@ -158,7 +208,11 @@ public class AutoCompletion extends PlainDocument {
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highlightCompletedText(offs+str.length());
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}
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private void setText(String text) {
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/**
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* Set text
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* @param text
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*/
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public void setText(String text) {
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try {
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// remove all text and insert the completed string
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super.remove(0, getLength());
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@ -198,7 +252,21 @@ public class AutoCompletion extends PlainDocument {
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return null;
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}
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// checks if str1 starts with str2 - ignores case
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/**
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* Set strict mode. If the strict mode is enabled, you can't enter any other values than the
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* ones from combo box list.
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* @param mode true if strict mode
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*/
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public void setStrictMode (boolean mode) {
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m_strictMode = mode;
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}
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/**
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* Checks if str1 starts with str2 (ignores case)
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* @param str1
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* @param str2
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* @return true if str1 starts with str2
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*/
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private boolean startsWithIgnoreCase(String str1, String str2) {
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return str1.toUpperCase().startsWith(str2.toUpperCase());
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}
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