org.jclarion.clarion.control.EntryControl Maven / Gradle / Ivy
/**
* Copyright 2010, by Andrew Barnham
*
* The contents of this file are subject to
* GNU Lesser General Public License (LGPL), v.3
* http://www.gnu.org/licenses/lgpl.txt
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
*/
package org.jclarion.clarion.control;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.Toolkit;
import java.awt.datatransfer.StringSelection;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JComponent;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import org.jclarion.clarion.AbstractWindowTarget;
import org.jclarion.clarion.ClarionMemoryChangeListener;
import org.jclarion.clarion.ClarionMemoryModel;
import org.jclarion.clarion.ClarionNumber;
import org.jclarion.clarion.ClarionObject;
import org.jclarion.clarion.ClarionString;
import org.jclarion.clarion.constants.*;
import org.jclarion.clarion.runtime.CWin;
import org.jclarion.clarion.runtime.CWinImpl;
import org.jclarion.clarion.runtime.format.Formatter;
import org.jclarion.clarion.swing.SwingAccept;
import org.jclarion.clarion.swing.gui.GUIModel;
public class EntryControl extends AbstractControl {
public EntryControl setUpper()
{
setProperty(Prop.UPR,true);
return this;
}
public EntryControl setCapitalise()
{
setProperty(Prop.CAP,true);
return this;
}
protected void initPicture(Formatter formatter)
{
formatter.setStrictMode();
}
public EntryControl setRequired()
{
setProperty(Prop.REQ,true);
return this;
}
public EntryControl setPassword()
{
setProperty(Prop.PASSWORD,true);
return this;
}
public EntryControl setReadOnly()
{
setProperty(Prop.READONLY,true);
return this;
}
@Override
public void update()
{
ClarionObject update = getUseObject();
if (update==null) return;
Object v = CWinImpl.runNow(this,UPDATE_FROM_SCREENTEXT);
if (v==null) return;
forcedUpdate=true;
try {
update.setValue(v);
} finally {
forcedUpdate=false;
}
}
@Override
public boolean isAcceptAllControl() {
return true;
}
@Override
public boolean validateInput() {
return true;
}
@Override
public int getCreateType() {
return Create.ENTRY;
}
private class ChangeListener implements ClarionMemoryChangeListener
{
@Override
public void objectChanged(final ClarionMemoryModel model)
{
if (!forcedUpdate) {
AbstractWindowTarget awt = getWindowOwner();
if (awt!=null) {
awt.addAcceptTask(getUseID(),refresh);
}
}
}
}
private class EntrySwingAccept extends SwingAccept
{
public boolean accept(boolean aFocusLost) {
final JTextField f=field;
if (f==null) return true;
if (acceptResult!=null) {
if (aFocusLost) {
getWindowOwner().setRefocus(f);
}
f.requestFocusInWindow();
f.selectAll();
return acceptResult;
}
boolean a_result = true;
String result = f.getText();
if (isProperty(Prop.UPR)) {
result = result.toUpperCase();
}
String deformat = getPicture().deformat(result);
if (!getPicture().isError())
result = getPicture().format(deformat);
if (getPicture().isError()) {
a_result = false;
result = getPicture().format(getUseObject().toString()).trim();
f.setText(result.trim());
if (f.isEnabled() && f.isVisible()) {
if (aFocusLost) {
getWindowOwner().setRefocus(f);
}
f.requestFocusInWindow();
f.selectAll();
if (!aFocusLost) {
post(Event.REJECTED);
} else {
acceptResult=false;
}
} else {
post(Event.REJECTED);
}
} else {
if (modified) {
f.setText(result.trim());
sendAccept(deformat);
}
if (!f.hasFocus()) {
f.getCaret().setDot(f.getText().length());
}
}
modified=false;
return a_result;
}
}
private JTextField field;
private ChangeListener listener;
private boolean forcedUpdate;
private boolean modified;
private EntrySwingAccept accept;
private Insets insets;
private Boolean acceptResult;
private boolean gainViaMousePress;
private Runnable refresh=new Refresh();
@Override
public void clearMetaData()
{
this.listener=null;
this.field=null;
this.forcedUpdate=false;
this.modified=false;
this.accept=null;
this.acceptResult=null;
this.gainViaMousePress=false;
super.clearMetaData();
}
private void sendAccept(Object value)
{
GUIModel.getServer().send(this,ACCEPT,value);
}
@Override
public Object command(int command, Object... params) {
if (command==UPDATE_FROM_SCREENTEXT) {
JTextField f = field;
if (f==null) return null;
String value = f.getText();
if (getPicture()!=null) {
value=getPicture().deformat(value);
if (getPicture().isError()) value=null;
}
if (value!=null) {
try {
forcedUpdate=true;
getUseObject().setValue(value);
} finally {
forcedUpdate=false;
}
}
return value;
}
if (command==ACCEPT) {
try {
forcedUpdate=true;
getUseObject().setValue(params[0]);
} finally { forcedUpdate=false; }
post(Event.ACCEPTED);
return null;
}
// TODO Auto-generated method stub
return super.command(command, params);
}
@Override
protected Object[] getRefreshParams() {
return new Object[] { getUseObject() };
}
@Override
protected void handleRefresh(Object... params) {
getUseObject().setValue(params[0]);
JTextField f=field;
if (f!=null) {
String result = getPicture().format(getUseObject().toString()).trim();
boolean allSelected = f.getSelectionStart()==0 && f.getSelectionEnd()==f.getText().length();
f.setText(result);
try {
if (allSelected) {
f.selectAll();
} else {
f.getCaret().setDot(result.length());
}
} catch (RuntimeException ex) {
}
modified=false;
}
}
@Override
protected void debugMetaData(StringBuilder sb) {
super.debugMetaData(sb);
debugMetaData(sb,"listener",listener);
debugMetaData(sb,"field",field);
debugMetaData(sb,"forcedUpdate",forcedUpdate);
debugMetaData(sb,"modified",modified);
debugMetaData(sb,"accept",accept);
debugMetaData(sb,"acceptResult",acceptResult);
debugMetaData(sb,"refresh",refresh);
debugMetaData(sb,"gainViaMousePress",gainViaMousePress);
}
@Override
public SwingAccept getAccept()
{
return accept;
}
public boolean isAccept()
{
return true;
}
@Override
public void opened() {
super.opened();
ClarionObject use = getUseObject();
if (use == null) {
use = new ClarionString();
use(use);
}
listener=new ChangeListener();
use.addChangeListener(listener);
}
@Override
public void constructSwingComponent(Container parent) {
if( CWin.getInstance().isNimbus()) {
insets=new Insets(3,0,3,0);
} else {
insets=null;
}
if (isProperty(Prop.PASSWORD)) {
field = new JPasswordField();
} else {
field = new JTextField();
}
parent.add(field);
if (isProperty(Prop.READONLY)) {
field.setEditable(false);
}
ClarionObject use = getUseObject();
String result = getPicture().format(use.toString()).trim();
field.setColumns(getPicture().getMaxLen());
field.setText(result);
if (isProperty(Prop.RIGHT) || isProperty(Prop.DECIMAL)) {
field.setHorizontalAlignment(JTextField.RIGHT);
}
final boolean imm = isProperty(Prop.IMM);
field.getDocument().addDocumentListener(new DocumentListener() {
@Override
public void changedUpdate(DocumentEvent e) {
modified=true;
if (imm) {
post(Event.NEWSELECTION);
}
}
@Override
public void insertUpdate(DocumentEvent e) {
modified=true;
if (imm) {
post(Event.NEWSELECTION);
}
}
@Override
public void removeUpdate(DocumentEvent e) {
modified=true;
if (imm) {
post(Event.NEWSELECTION);
}
}
});
accept = new EntrySwingAccept();
final EntryControl us = this;
field.addMouseListener(new MouseListener() {
@Override
public void mouseClicked(MouseEvent e) {
}
@Override
public void mouseEntered(MouseEvent e) {
}
@Override
public void mouseExited(MouseEvent e) {
}
@Override
public void mousePressed(MouseEvent e) {
if (getWindowOwner()==null) return;
if (getWindowOwner().getCurrentFocus()!=us) {
gainViaMousePress=true;
}
}
@Override
public void mouseReleased(MouseEvent e) {
} });
configureDefaults(field);
field.addFocusListener(new FocusListener() {
@Override
public void focusGained(FocusEvent e) {
JTextField f = field;
if (f!=null) {
if (gainViaMousePress) {
gainViaMousePress=false;
} else {
f.selectAll();
}
}
if (acceptResult!=null) {
acceptResult=null;
post(Event.REJECTED);
}
}
@Override
public void focusLost(FocusEvent e) {
if (getWindowOwner().getRefocus()!=null) return;
EntrySwingAccept esa = accept;
if (esa!=null) {
esa.accept(true);
}
}
});
final boolean upr = isProperty(Prop.UPR);
final boolean cap = isProperty(Prop.CAP);
field.addKeyListener(new KeyListener() {
@Override
public void keyPressed(KeyEvent e) {
}
@Override
public void keyReleased(KeyEvent e) {
}
@Override
public void keyTyped(KeyEvent e) {
if (!e.isConsumed() && e.getKeyChar()!=0 && getPicture().getMaxLen()<=field.getText().length() && field.getSelectionStart()==field.getSelectionEnd()) {
e.consume();
return;
}
if (upr && !e.isConsumed()) {
char c = e.getKeyChar();
c = Character.toUpperCase(c);
e.setKeyChar(c);
}
if (cap && !e.isConsumed() && !e.isShiftDown()) {
char c = e.getKeyChar();
// force lower
char lastchar=' ';
int pos = field.getSelectionStart();
if (pos>0) {
lastchar=field.getText().charAt(pos-1);
}
if (Character.isWhitespace(lastchar)) {
c = Character.toUpperCase(c);
e.setKeyChar(c);
} else {
c = Character.toLowerCase(c);
e.setKeyChar(c);
}
}
}
});
}
@Override
public ClarionObject getAWTProperty(int index)
{
JTextField f = field;
if (f!=null) {
switch (index) {
case Prop.SELSTART:
return new ClarionNumber(f.getSelectionStart() + 1);
case Prop.SELEND:
if (f.getSelectionStart() == f.getSelectionEnd()) {
return new ClarionNumber(0);
}
return new ClarionNumber(f.getSelectionEnd());
case Prop.SCREENTEXT:
return new ClarionString(f.getText());
case Prop.TOUCHED:
return new ClarionNumber(modified ? 1: 0);
}
}
return super.getAWTProperty(index);
}
@Override
public boolean isAWTProperty(int index) {
switch(index) {
case Prop.SCREENTEXT:
case Prop.SELSTART:
case Prop.SELEND:
case Prop.TOUCHED:
return true;
default:
return super.isAWTProperty(index);
}
}
@Override
protected void handleAWTChange(int indx, ClarionObject value) {
if (indx==Prop.TOUCHED) {
modified=value.boolValue();
return;
}
if (indx==Prop.TEXT) {
JTextField f = field;
if (f==null) return;
String result = getPicture().format(getUseObject().toString()).trim();
f.setColumns(getPicture().getMaxLen());
f.setText(result);
}
super.handleAWTChange(indx, value);
}
@Override
protected boolean isAWTChange(int indx) {
if (indx==Prop.TEXT || indx==Prop.TOUCHED) return true;
return super.isAWTChange(indx);
}
@Override
public Component getComponent() {
return field;
}
public void setKey(JComponent comp) {
CWin.getInstance().setKey(
getWindowOwner(),comp,this instanceof SimpleMnemonicAllowed,
false,this);
}
public Insets getControlAdjustInsets()
{
return insets;
}
@Override
public Dimension getPreferredSize()
{
Dimension r = getComponent().getPreferredSize();
if (getUseObject()!=null) {
// try another size
if (getPicture()!=null) {
Graphics g = getComponent().getGraphics();
if (g!=null) {
String rep = getPicture().getPictureRepresentation();
FontMetrics fm = getComponent().getGraphics().getFontMetrics(getComponent().getFont());
r.width = fm.stringWidth(rep)+4;
if (r.width>205) r.width=205;
}
}
}
return r;
}
@Override
protected boolean isCopy() {
return !isProperty(Prop.PASSWORD);
}
@Override
protected boolean isPaste() {
return !isProperty(Prop.PASSWORD);
}
@Override
protected void copy() {
JTextField f = field;
if (f==null) return;
boolean abridged=false;
if (f.getSelectionStart()==0 && f.getSelectionEnd()==f.getText().length()) {
abridged=true;
}
if (f.getSelectionStart()==f.getSelectionEnd()) {
abridged=true;
}
if (abridged) {
ClarionObject o = getUseObject();
if (o!=null) {
String value = o.toString().trim();
if (getPicture()!=null && getPicture().isComputerCoded()) {
value=getPicture().format(value).trim();
}
StringSelection ss = new StringSelection(value);
Toolkit.getDefaultToolkit().getSystemClipboard().setContents(ss,ss);
return;
}
}
f.copy();
}
@Override
protected void paste() {
JTextField f = field;
if (f==null) return;
f.paste();
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy