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/*******************************************************************************
* Copyright (c) 2006, 2017 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.team.internal.ui.mapping;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.resources.mapping.IModelProviderDescriptor;
import org.eclipse.core.resources.mapping.ModelProvider;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
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.team.internal.ui.IHelpContextIds;
import org.eclipse.team.internal.ui.SWTUtils;
import org.eclipse.team.internal.ui.TeamUIMessages;
import org.eclipse.team.internal.ui.TeamUIPlugin;
import org.eclipse.team.internal.ui.Utils;
import org.eclipse.team.ui.TeamUI;
import org.eclipse.team.ui.mapping.ITeamContentProviderDescriptor;
import org.eclipse.team.ui.mapping.ITeamContentProviderManager;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
public class ModelEnablementPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
private Set<ITeamContentProviderDescriptor> previosulyEnabled = new HashSet<>();
public ModelEnablementPreferencePage() {
setTitle(TeamUIMessages.ModelEnablementPreferencePage_0);
setPreferenceStore(TeamUIPlugin.getPlugin().getPreferenceStore());
}
private CheckboxTableViewer tableViewer;
@Override
protected Control createContents(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayout(new GridLayout());
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
Label l = SWTUtils.createLabel(composite, TeamUIMessages.ModelEnablementPreferencePage_1);
l.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
tableViewer = CheckboxTableViewer.newCheckList(composite, SWT.BORDER);
tableViewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
tableViewer.setContentProvider(new IStructuredContentProvider() {
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
// noting to do
}
@Override
public void dispose() {
// nothing to do
}
@Override
public Object[] getElements(Object element) {
if (element instanceof ITeamContentProviderManager) {
ITeamContentProviderManager manager = (ITeamContentProviderManager) element;
return manager.getDescriptors();
}
return new Object[0];
}
});
tableViewer.setLabelProvider(new LabelProvider() {
Map<ITeamContentProviderDescriptor, Image> images = new HashMap<>();
@Override
public String getText(Object element) {
if (element instanceof ITeamContentProviderDescriptor) {
ITeamContentProviderDescriptor desc = (ITeamContentProviderDescriptor) element;
return getTextFor(desc);
}
return super.getText(element);
}
private String getTextFor(ITeamContentProviderDescriptor teamContentDescriptor) {
String name = teamContentDescriptor.getName();
if (name != null && !name.equals("")) //$NON-NLS-1$
return name;
String modelProviderID = teamContentDescriptor.getModelProviderId();
IModelProviderDescriptor desc = ModelProvider.getModelProviderDescriptor(modelProviderID);
if (desc != null) {
return getLabel(desc);
}
return modelProviderID;
}
@Override
public Image getImage(Object element) {
if (element instanceof ITeamContentProviderDescriptor) {
ITeamContentProviderDescriptor desc = (ITeamContentProviderDescriptor) element;
Image image = images.get(desc);
if (image == null) {
ImageDescriptor idesc = desc.getImageDescriptor();
if (idesc != null) {
image = idesc.createImage();
if (image != null) {
images.put(desc, image);
}
}
}
return image;
}
return super.getImage(element);
}
@Override
public void dispose() {
for (Iterator iter = images.values().iterator(); iter.hasNext();) {
Image image = (Image) iter.next();
image.dispose();
}
super.dispose();
}
});
tableViewer.setComparator(new ViewerComparator() {
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
if (e1 instanceof ITeamContentProviderDescriptor && e2 instanceof ITeamContentProviderDescriptor) {
ITeamContentProviderDescriptor d1 = (ITeamContentProviderDescriptor) e1;
ITeamContentProviderDescriptor d2 = (ITeamContentProviderDescriptor) e2;
IModelProviderDescriptor md1 = ModelProvider.getModelProviderDescriptor(d1.getModelProviderId());
IModelProviderDescriptor md2 = ModelProvider.getModelProviderDescriptor(d2.getModelProviderId());
if (md1 != null && md2 != null)
return getLabel(md1).compareTo(getLabel(md2));
}
return super.compare(viewer, e1, e2);
}
});
tableViewer.setInput(TeamUI.getTeamContentProviderManager());
updateChecks();
applyDialogFont(composite);
//F1
PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IHelpContextIds.MODEL_PREFERENCE_PAGE);
return composite;
}
private void updateChecks() {
ITeamContentProviderDescriptor[] descriptors = TeamUI.getTeamContentProviderManager().getDescriptors();
for (int i = 0; i < descriptors.length; i++) {
ITeamContentProviderDescriptor descriptor = descriptors[i];
if (descriptor.isEnabled()) {
previosulyEnabled.add(descriptor);
}
}
tableViewer.setCheckedElements(previosulyEnabled.toArray());
}
@SuppressWarnings("unchecked")
@Override
public boolean performOk() {
Object[] checked = tableViewer.getCheckedElements();
Set<ITeamContentProviderDescriptor> nowEnabled = new HashSet<>();
nowEnabled.addAll((Collection<? extends ITeamContentProviderDescriptor>) Arrays.asList(checked));
if (hasDescriptorEnablementChanged(checked)) {
TeamUI.getTeamContentProviderManager().setEnabledDescriptors(
nowEnabled.toArray(new ITeamContentProviderDescriptor[nowEnabled.size()]));
previosulyEnabled = nowEnabled;
}
return true;
}
private boolean hasDescriptorEnablementChanged(Object[] checked) {
ITeamContentProviderDescriptor[] descriptors = TeamUI.getTeamContentProviderManager().getDescriptors();
for (int i = 0; i < descriptors.length; i++) {
ITeamContentProviderDescriptor descriptor = descriptors[i];
boolean enable = false;
for (int j = 0; j < checked.length; j++) {
ITeamContentProviderDescriptor checkedDesc = (ITeamContentProviderDescriptor)checked[j];
if (checkedDesc.getModelProviderId().equals(descriptor.getModelProviderId())) {
enable = true;
break;
}
}
if (descriptor.isEnabled() != enable) {
return true;
}
}
return false;
}
@Override
protected void performDefaults() {
tableViewer.setCheckedElements(TeamUI.getTeamContentProviderManager().getDescriptors());
}
@Override
public void init(IWorkbench workbench) {
// ignore
}
private String getLabel(IModelProviderDescriptor desc) {
// Only do this for the resource model since we don;t want to
// load all model providers (see bug 133604)
if (desc.getId().equals(ModelProvider.RESOURCE_MODEL_PROVIDER_ID))
try {
return Utils.getLabel(desc.getModelProvider());
} catch (CoreException e) {
TeamUIPlugin.log(e);
}
return desc.getLabel();
}
}
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