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Refactoring.
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@albertus82
albertus82 committed Feb 17, 2024
1 parent f1d82cf commit 37229ae
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Showing 2 changed files with 163 additions and 242 deletions.
166 changes: 163 additions & 3 deletions ...ava/io/github/albertus82/eqbulletin/gui/listener/FindSameAreaEventsSelectionListener.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,19 +2,35 @@

import java.util.function.Supplier;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusAdapter;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Scale;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.Text;

import io.github.albertus82.eqbulletin.config.EarthquakeBulletinConfig;
import io.github.albertus82.eqbulletin.gui.ResultsTable;
import io.github.albertus82.eqbulletin.gui.SearchForm;
import io.github.albertus82.eqbulletin.gui.preference.Preference;
import io.github.albertus82.eqbulletin.model.Earthquake;
import io.github.albertus82.eqbulletin.resources.Messages;
import io.github.albertus82.jface.Formatter;
import io.github.albertus82.jface.JFaceMessages;
import io.github.albertus82.jface.listener.IntegerVerifyListener;
import io.github.albertus82.jface.maps.MapBounds;
import io.github.albertus82.jface.preference.IPreferencesConfiguration;
import lombok.AccessLevel;
Expand Down Expand Up @@ -54,11 +70,11 @@ public void widgetSelected(final SelectionEvent se) {
final SearchForm form = searchFormSupplier.get();

// Ask user for latitude interval
final ScaleInputDialog modal = new ScaleInputDialog(table.getShell(), Messages.get("label.sameareaevents.title"), Messages.get("label.sameareaevents.message"), configuration.getByte(Preference.SAME_AREA_EVENTS_LATITUDE_INTERVAL, Defaults.SAME_AREA_EVENTS_LATITUDE_INTERVAL), LATITUDE_INTERVAL_MIN, LATITUDE_INTERVAL_MAX, 1, 1);
if (Window.OK != modal.open()) {
final ScaleInputDialog dialog = new ScaleInputDialog(table.getShell(), Messages.get("label.sameareaevents.title"), Messages.get("label.sameareaevents.message"), configuration.getByte(Preference.SAME_AREA_EVENTS_LATITUDE_INTERVAL, Defaults.SAME_AREA_EVENTS_LATITUDE_INTERVAL), LATITUDE_INTERVAL_MIN, LATITUDE_INTERVAL_MAX, 1, 1);
if (Window.OK != dialog.open()) {
return;
}
final float offset = modal.getValue().floatValue();
final float offset = dialog.getValue();

// Latitude (parallels)
final float lat = Math.min(MapBounds.LATITUDE_MAX_VALUE - offset, Math.max(MapBounds.LATITUDE_MIN_VALUE + offset, selection.getLatitude().getValue()));
Expand Down Expand Up @@ -115,4 +131,148 @@ private static double computeArea(final double lat0deg, final double lat1deg, fi
return a * b * c;
}

private static class ScaleInputDialog extends Dialog {

private final String title;
private final String message;

private int value;

private final int minimum;
private final int maximum;
private final int increment;
private final int pageIncrement;

private Scale scale;
private Text text;

private ScaleInputDialog(@NonNull final Shell parentShell, final String dialogTitle, final String dialogMessage, final int initialValue, final int minimum, final int maximum, final int increment, final int pageIncrement) {
super(parentShell);
this.title = dialogTitle;
this.message = dialogMessage;
this.value = initialValue;
this.minimum = minimum;
this.maximum = maximum;
this.increment = increment;
this.pageIncrement = pageIncrement;
}

@Override
protected void buttonPressed(final int buttonId) {
if (buttonId == IDialogConstants.OK_ID) {
value = scale.getSelection();
}
super.buttonPressed(buttonId);
}

@Override
protected void configureShell(final Shell shell) {
super.configureShell(shell);
if (title != null) {
shell.setText(title);
}
}

@Override
protected void createButtonsForButtonBar(final Composite parent) {
createButton(parent, IDialogConstants.OK_ID, JFaceMessages.get("lbl.button.ok"), true);
createButton(parent, IDialogConstants.CANCEL_ID, JFaceMessages.get("lbl.button.cancel"), false);
scale.setFocus();
scale.setSelection(value);
}

@Override
protected Control createDialogArea(final Composite parent) {
final Composite composite = (Composite) super.createDialogArea(parent);
if (composite.getLayout() instanceof GridLayout) {
((GridLayout) composite.getLayout()).numColumns += 3;
}

if (message != null) {
final Label label = new Label(composite, SWT.WRAP);
label.setText(message);
final GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER);
data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH);
data.horizontalSpan += 3;
label.setLayoutData(data);
label.setFont(parent.getFont());
}

scale = new Scale(composite, getScaleStyle());
scale.setMinimum(minimum);
scale.setMaximum(maximum);
scale.setIncrement(increment);
scale.setPageIncrement(pageIncrement);
final GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.verticalAlignment = GridData.FILL;
data.grabExcessHorizontalSpace = true;
scale.setLayoutData(data);
scale.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(final SelectionEvent e) {
text.setText(Integer.toString(scale.getSelection()));
}
});

final Label plusMinusSign = new Label(composite, SWT.NONE);
plusMinusSign.setText("\u00B1");
GridDataFactory.swtDefaults().applyTo(plusMinusSign);
plusMinusSign.setFont(parent.getFont());

text = new Text(composite, SWT.BORDER | SWT.TRAIL);
final int widthHint = new Formatter(getClass()).computeWidth(text, Integer.toString(maximum).length(), SWT.NORMAL);
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).hint(widthHint, SWT.DEFAULT).applyTo(text);
text.setTextLimit(Integer.toString(maximum).length());
text.setText(Integer.toString(value));
text.addFocusListener(new TextFocusListener());
text.addVerifyListener(new IntegerVerifyListener(false));

final Label degreeSign = new Label(composite, SWT.NONE);
degreeSign.setText("\u00B0");
GridDataFactory.swtDefaults().applyTo(degreeSign);
degreeSign.setFont(parent.getFont());

applyDialogFont(composite);
return composite;
}

public int getValue() {
return value;
}

/**
* Returns the style bits that should be used for the input text field. Defaults
* to a single line entry. Subclasses may override.
*
* @return the integer style bits that should be used when creating the input
* text
*
* @since 3.4
*/
protected int getScaleStyle() {
return SWT.HORIZONTAL;
}

private class TextFocusListener extends FocusAdapter {
@Override
public void focusLost(final FocusEvent fe) {
try {
int textValue = Integer.parseInt(text.getText());
if (textValue > maximum) {
textValue = maximum;
}
if (textValue < minimum) {
textValue = minimum;
}
text.setText(Integer.toString(textValue));
scale.setSelection(textValue);
}
catch (final RuntimeException e) {
log.debug("Cannot update the selection (which is the value) of the scale:", e);
text.setText(Integer.toString(scale.getSelection()));
}
}
}
}

}
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