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/*******************************************************************************
* Copyright (c) 2005, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.ui.preferences.cleanup;
import java.util.Map;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jdt.internal.corext.fix.CleanUpConstants;
import org.eclipse.jdt.ui.cleanup.ICleanUpConfigurationUI;
import org.eclipse.jdt.internal.ui.preferences.formatter.JavaPreview;
import org.eclipse.jdt.internal.ui.preferences.formatter.ModifyDialogTabPage;
public abstract class CleanUpTabPage extends ModifyDialogTabPage implements ICleanUpConfigurationUI {
private Map<String, String> fValues;
private JavaPreview fCleanUpPreview;
private boolean fIsSaveAction;
private int fCount;
private int fSelectedCount;
public CleanUpTabPage() {
super();
fCount= 0;
setSelectedCleanUpCount(0);
fIsSaveAction= false;
}
/**
* @param kind the kind of clean up to configure
*
* @see CleanUpConstants#DEFAULT_CLEAN_UP_OPTIONS
* @see CleanUpConstants#DEFAULT_SAVE_ACTION_OPTIONS
*/
public void setOptionsKind(int kind) {
fIsSaveAction= kind == CleanUpConstants.DEFAULT_SAVE_ACTION_OPTIONS;
}
@Override
public void setWorkingValues(Map<String, String> workingValues) {
super.setWorkingValues(workingValues);
fValues= workingValues;
}
/**
* @return is this tab page shown in the save action dialog
*/
public boolean isSaveAction() {
return fIsSaveAction;
}
@Override
public int getCleanUpCount() {
return fCount;
}
@Override
public int getSelectedCleanUpCount() {
return fSelectedCount;
}
private void setSelectedCleanUpCount(int selectedCount) {
Assert.isLegal(selectedCount >= 0 && selectedCount <= fCount);
fSelectedCount= selectedCount;
}
@Override
protected JavaPreview doCreateJavaPreview(Composite parent) {
fCleanUpPreview= new CleanUpPreview(parent, this);
return fCleanUpPreview;
}
@Override
protected void doUpdatePreview() {
fCleanUpPreview.setWorkingValues(fValues);
fCleanUpPreview.update();
}
@Override
protected void initializePage() {
fCleanUpPreview.update();
}
protected void registerPreference(final CheckboxPreference preference) {
fCount++;
preference.addObserver((o, arg) -> {
if (preference.getChecked()) {
setSelectedCleanUpCount(fSelectedCount + 1);
} else {
setSelectedCleanUpCount(fSelectedCount - 1);
}
});
if (preference.getChecked()) {
setSelectedCleanUpCount(fSelectedCount + 1);
}
}
protected void registerSlavePreference(final CheckboxPreference master, final RadioPreference[] slaves) {
internalRegisterSlavePreference(master, slaves);
registerPreference(master);
}
protected void registerSlavePreference(final CheckboxPreference master, final CheckboxPreference[] slaves) {
registerSlavePreference(master, slaves, null);
}
/**
* Connects master and slave checkboxes.
*
* @param master the master
* @param slaves direct slaves of the master
* @param subSlaves indirect slaves, i.e. a slave is a master of its subSlave).
* First index into array is the subSlave's master's index. subSlaves can also be <code>null</code>.
*/
protected void registerSlavePreference(final CheckboxPreference master, final CheckboxPreference[] slaves, final CheckboxPreference[][] subSlaves) {
internalRegisterSlavePreference(master, slaves);
fCount+= slaves.length;
if (subSlaves != null) {
for (int i= 0; i < slaves.length; i++) {
final CheckboxPreference slave= slaves[i];
for (CheckboxPreference subSlave : subSlaves[i]) {
master.addObserver((o, arg) -> {
boolean enabled= master.getChecked() && slave.getChecked();
subSlave.setEnabled(enabled);
});
}
}
}
master.addObserver((o, arg) -> {
boolean masterChecked= master.getChecked();
for (int i= 0; i < slaves.length; i++) {
if (slaves[i].getChecked()) {
setSelectedCleanUpCount(fSelectedCount + (masterChecked ? 1 : -1));
if (subSlaves != null) {
for (CheckboxPreference subSlave : subSlaves[i]) {
if (subSlave.getChecked()) {
setSelectedCleanUpCount(fSelectedCount + (masterChecked ? 1 : -1));
}
}
}
}
}
});
for (CheckboxPreference slave : slaves) {
slave.addObserver((o, arg) -> setSelectedCleanUpCount(fSelectedCount + (slave.getChecked() ? 1 : -1)));
}
if (master.getChecked()) {
for (CheckboxPreference slave : slaves) {
if (slave.getChecked() && master.getEnabled()) {
setSelectedCleanUpCount(fSelectedCount + 1);
}
}
}
}
private void internalRegisterSlavePreference(final CheckboxPreference master, final ButtonPreference[] slaves) {
master.addObserver( (o, arg) -> {
for (ButtonPreference slave : slaves) {
slave.setEnabled(master.getChecked());
}
});
for (ButtonPreference slave : slaves) {
slave.setEnabled(master.getChecked());
}
}
/**
* Creates a spacer control with a pre-defined width.
*
* @param parent the parent composite
*/
// should be called "createSpacer"
protected void intent(Composite parent) {
Label l= new Label(parent, SWT.NONE);
GridData gd= new GridData();
gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(4);
l.setLayoutData(gd);
}
}
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