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/*******************************************************************************
* Copyright (c) 2009, 2016 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems - initial API and implementation
* Freescale Semiconductor
*******************************************************************************/
package org.eclipse.debug.internal.ui.groups;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.TreeMap;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StackLayout;
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.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
/**
* Stack Composite - Switch between panes controlled by combo box
* <p>
* Copied from CDT (org.eclipse.cdt.launch)
*/
class ComboControlledStackComposite extends Composite {
private Composite fArea;
private Combo fCombo;
private Map<String, Composite> tabMap; // label ==> tab
private Map<String, String> capMap = new TreeMap<>();
private StackLayout layout;
private Label fLabel;
public ComboControlledStackComposite(Composite parent, int style) {
super(parent, style);
tabMap = new LinkedHashMap<String, Composite>();
setLayout(new GridLayout(2, false));
createContents(this);
}
public void setLabelText(String label) {
fLabel.setText(label);
}
private static String capitalize(String l) {
return l.substring(0, 1).toUpperCase() + l.substring(1);
}
public void addItem(String label, Composite tab) {
tabMap.put(label, tab);
String cap = capitalize(label);
fCombo.add(cap);
capMap.put(cap, label);
if (layout.topControl==null) {
layout.topControl = tab;
fCombo.setText(cap);
}
}
public void deleteItem(String label) {
if (capMap.get(fCombo.getText()).equals(label)) {
setSelection(fCombo.getItem(0));
}
Composite tab = tabMap.get(label);
if (tab != null) {
tab.dispose();
tabMap.remove(label);
capMap.remove(capitalize(label));
}
}
public void setSelection(String label) {
fCombo.setText(capitalize(label));
setPage(label);
}
protected void createContents(Composite parent) {
fLabel = createLabel(this);
fCombo = createCombo(this);
GridData cgd = new GridData(GridData.FILL_HORIZONTAL);
fCombo.setLayoutData(cgd);
fArea = createTabArea(this);
GridData agd = new GridData(GridData.FILL_BOTH);
agd.horizontalSpan = 2;
fArea.setLayoutData(agd);
}
public Composite getStackParent() {
return fArea;
}
public Label getLabel() {
return fLabel;
}
/**
* @return the underlying combo, should NOT be used to get the actual text,
* use {@link #getSelection()} instead.
*/
public Combo getCombo() {
return fCombo;
}
public String getSelection() {
return capMap.get(fCombo.getText());
}
protected Composite createTabArea(Composite parent) {
Composite comp = new Composite(parent, SWT.NONE);
layout = new StackLayout();
comp.setLayout(layout);
return comp;
}
protected Label createLabel(Composite parent) {
Label label = new Label(parent, SWT.WRAP);
return label;
}
protected Combo createCombo(Composite parent) {
Combo box = new Combo(parent, SWT.READ_ONLY);
box.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
String name = fCombo.getText();
comboSelected(name);
}
});
return box;
}
protected void comboSelected(String label) {
setPage(capMap.get(label));
}
protected void setPage(String label) {
layout.topControl = tabMap.get(label);
getStackParent().layout();
}
public Control getTopControl() {
return layout != null ? layout.topControl : null;
}
}
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