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package com.intellij.xdebugger.impl.settings;
import com.intellij.openapi.options.Configurable;
import com.intellij.openapi.options.ConfigurationException;
import com.intellij.openapi.options.SearchableConfigurable;
import com.intellij.openapi.ui.VerticalFlowLayout;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.ui.IdeBorderFactory;
import com.intellij.ui.TitledSeparator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import java.awt.*;
abstract class MergedCompositeConfigurable implements SearchableConfigurable {
static final EmptyBorder BOTTOM_INSETS = new EmptyBorder(0, 0, IdeBorderFactory.TITLED_BORDER_BOTTOM_INSET, 0);
protected final Configurable[] children;
protected JComponent rootComponent;
protected MergedCompositeConfigurable(@NotNull Configurable[] children) {
this.children = children;
}
protected boolean isUseTitledBorder() {
return true;
}
@Nullable
@Override
public Runnable enableSearch(String option) {
return null;
}
@Nullable
@Override
public String getHelpTopic() {
return children.length == 1 ? children[0].getHelpTopic() : null;
}
@Nullable
@Override
public JComponent createComponent() {
if (rootComponent == null) {
if (children.length == 1) {
rootComponent = children[0].createComponent();
}
else {
JPanel panel = createPanel(isUseTitledBorder());
for (Configurable child : children) {
JComponent component = child.createComponent();
assert component != null;
if (isUseTitledBorder()) {
String displayName = child.getDisplayName();
if (StringUtil.isEmpty(displayName)) {
component.setBorder(BOTTOM_INSETS);
}
else {
Insets insets = new Insets(children[0] == child ? 0 : IdeBorderFactory.TITLED_BORDER_TOP_INSET, 0, IdeBorderFactory.TITLED_BORDER_BOTTOM_INSET, 0);
component.setBorder(IdeBorderFactory.createTitledBorder(displayName, false, insets));
}
}
panel.add(component);
}
rootComponent = panel;
}
}
return rootComponent;
}
@NotNull
static JPanel createPanel(boolean isUseTitledBorder) {
int verticalGap = TitledSeparator.TOP_INSET;
JPanel panel = new JPanel(new VerticalFlowLayout(0, isUseTitledBorder ? 0 : verticalGap));
// VerticalFlowLayout incorrectly use vertical gap as top inset
if (!isUseTitledBorder) {
panel.setBorder(new EmptyBorder(-verticalGap, 0, 0, 0));
}
return panel;
}
@Override
public boolean isModified() {
for (Configurable child : children) {
if (child.isModified()) {
return true;
}
}
return false;
}
@Override
public void apply() throws ConfigurationException {
for (Configurable child : children) {
if (child.isModified()) {
child.apply();
}
}
}
@Override
public void reset() {
for (Configurable child : children) {
child.reset();
}
}
@Override
public void disposeUIResources() {
rootComponent = null;
for (Configurable child : children) {
child.disposeUIResources();
}
}
}
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