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JClarion runtime environment
/**
* 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.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FontMetrics;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import org.jclarion.clarion.ClarionMemoryChangeListener;
import org.jclarion.clarion.ClarionMemoryModel;
import org.jclarion.clarion.ClarionObject;
import org.jclarion.clarion.ClarionString;
import org.jclarion.clarion.constants.Create;
import org.jclarion.clarion.constants.Prop;
import org.jclarion.clarion.runtime.CWinImpl;
import org.jclarion.clarion.swing.SwingTask;
public class StringControl extends AbstractControl
{
public StringControl setPageNo()
{
setProperty(Prop.PAGENO,true);
return this;
}
public StringControl setSum()
{
setProperty(Prop.SUM,true);
return this;
}
public StringControl setCount()
{
setProperty(Prop.CNT,true);
return this;
}
public StringControl setAverage()
{
setProperty(Prop.AVE,true);
return this;
}
public StringControl setMin()
{
setProperty(Prop.MIN,true);
return this;
}
public StringControl setMax()
{
setProperty(Prop.MAX,true);
return this;
}
private AbstractReportControl reset;
private AbstractReportControl tally;
public AbstractReportControl getReset()
{
return reset;
}
public AbstractReportControl getTally()
{
return tally;
}
public StringControl setReset(AbstractReportControl br)
{
this.reset=br;
return this;
}
public StringControl setTally(AbstractReportControl br)
{
this.tally=br;
return this;
}
@Override
public boolean isAcceptAllControl() {
return false;
}
@Override
public boolean validateInput() {
return true;
}
private void resize()
{
JLabel _label=label;
if (_label==null) return;
Dimension s = _label.getSize();
Dimension ps = _label.getPreferredSize();
//if (ps.height>500) return;
if (ps.width > s.width || ps.height > s.height) {
if (ps.width > s.width)
s.width = ps.width;
if (ps.height > s.height)
s.height = ps.height;
_label.setSize(s);
}
}
private class Refresh implements Runnable
{
@Override
public void run()
{
JLabel _label=label;
if (_label==null) return;
_label.setText(getPicture().format(
getUseObject().toString()).trim());
resize();
}
}
private class ChangeListener implements ClarionMemoryChangeListener
{
@Override
public void objectChanged(ClarionMemoryModel model) {
getWindowOwner().addAcceptTask(getUseID(),refresh);
}
}
private JLabel label;
private Runnable refresh;
private ChangeListener listener;
private JComponent base;
public JLabel getLabel()
{
return label;
}
@Override
public void clearMetaData()
{
label=null;
refresh=null;
listener=null;
base=null;
super.clearMetaData();
}
@Override
protected void debugMetaData(StringBuilder sb) {
super.debugMetaData(sb);
debugMetaData(sb,"label",label);
debugMetaData(sb,"refresh",refresh);
debugMetaData(sb,"listener",listener);
debugMetaData(sb,"base",base);
}
@Override
public void constructSwingComponent(Container parent)
{
label = new JLabel();
if (isProperty(Prop.CENTER))
label.setHorizontalAlignment(SwingConstants.CENTER);
if (isProperty(Prop.RIGHT))
label.setHorizontalAlignment(SwingConstants.RIGHT);
if (isProperty(Prop.DECIMAL))
label.setHorizontalAlignment(SwingConstants.RIGHT);
ClarionObject object = getUseObject();
refresh=new SwingTask(new Refresh());
listener=new ChangeListener();
if (object == null) {
label.setText(getProperty(Prop.TEXT).toString().trim());
} else {
object.addChangeListener(listener);
label.setText(getPicture().format(getUseObject().toString()).trim());
}
base = label;
Color bg = getColor(Prop.FILLCOLOR);
if (bg != null) {
JPanel panel = new JPanel(new BorderLayout(0, 0));
panel.add(label, BorderLayout.CENTER);
panel.setBackground(bg);
panel.setOpaque(true);
base = panel;
}
parent.add(base);
configureFont(label);
configureColor(label);
setPositionAndState();
}
@Override
public ClarionObject getAWTProperty(int index)
{
if (index== Prop.SCREENTEXT) {
JLabel l = label;
if (l!=null) return new ClarionString(label.getText());
}
return super.getAWTProperty(index);
}
@Override
public boolean isAWTProperty(int index) {
return super.isAWTProperty(index) || index==Prop.SCREENTEXT;
}
@Override
protected void notifyLocalChange(final int indx,final ClarionObject value) {
final JLabel lab = label;
if (lab==null) {
super.notifyLocalChange(indx, value);
return;
}
if (indx == Prop.USE && listener!=null) {
ClarionObject co = getUseObject();
if (co != null) {
co.removeChangeListener(listener);
}
value.addChangeListener(listener);
super.notifyLocalChange(indx, value);
CWinImpl.run(new Runnable() {
public void run()
{
lab.setText(getPicture().format(value.toString()).trim());
resize();
}
});
return;
}
super.notifyLocalChange(indx, value);
if (indx == Prop.TEXT && lab!=null) {
CWinImpl.run(new Runnable() {
public void run() {
if (getUseObject() == null) {
lab.setText(value.toString().trim());
} else {
lab.setText(getPicture().format(
getUseObject().toString()).trim());
}
resize();
}
});
}
}
@Override
protected void notifyAWTChange(int indx, ClarionObject value) {
switch (indx) {
case Prop.WIDTH:
case Prop.HEIGHT:
case Prop.FONTNAME:
case Prop.FONTSIZE:
resize();
break;
}
super.notifyAWTChange(indx, value);
}
public void setColor(Component jw)
{
Color c;
c = getNestedColor(Prop.FONTCOLOR);
if (c != null) jw.setForeground(c);
c = getNestedColor(Prop.BACKGROUND);
getLabel().setOpaque(c!=null);
if (c != null) {
jw.setBackground(c);
}
}
@Override
public int getCreateType() {
return Create.STRING;
}
@Override
public Component getComponent() {
return base;
}
@Override
public Dimension getPreferredSize()
{
Dimension r = getComponent().getPreferredSize();
if (getUseObject()!=null) {
// try another size
if (getPicture()!=null) {
String rep = getPicture().getPictureRepresentation();
FontMetrics fm = getComponent().getGraphics().getFontMetrics(getComponent().getFont());
r.width = fm.stringWidth(rep);
}
}
return r;
}
@Override
protected void doToggleMode(boolean value, int mode) {
super.doToggleMode(value, mode);
if (value==true && mode==Prop.HIDE) {
resize();
}
}
}
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