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/*******************************************************************************
* Copyright (c) 2007, 2015 Intel 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:
* Intel Corporation - initial API and implementation
* Nokia - converted from action to handler
*******************************************************************************/
package org.eclipse.cdt.internal.ui.actions;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICContainer;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.core.model.util.CDTListComparator;
import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
import org.eclipse.cdt.core.settings.model.ICProjectDescription;
import org.eclipse.cdt.core.settings.model.ICSourceEntry;
import org.eclipse.cdt.core.settings.model.util.CDataUtil;
import org.eclipse.cdt.internal.ui.newui.Messages;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.cdt.ui.newui.AbstractPage;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.window.Window;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.ISources;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ListSelectionDialog;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* Handler for command that excludes resources from build.
*/
public class ExcludeFromBuildHandler extends AbstractHandler {
protected ArrayList<IResource> objects;
protected ArrayList<String> cfgNames;
@Override
public void setEnabled(Object context) {
ISelection selection = getSelection(context);
setEnabledFromSelection(selection);
}
protected ISelection getSelection(Object context) {
Object s = HandlerUtil.getVariable(context, ISources.ACTIVE_MENU_SELECTION_NAME);
if (s instanceof ISelection) {
return (ISelection) s;
}
return null;
}
public void setEnabledFromSelection(ISelection selection) {
objects = null;
cfgNames = null;
boolean cfgsOK = true;
if ((selection != null) && !selection.isEmpty()) {
// case for context menu
Object[] obs = null;
if (selection instanceof IStructuredSelection) {
obs = ((IStructuredSelection) selection).toArray();
} else if (selection instanceof ITextSelection) {
IFile file = getFileFromActiveEditor();
if (file != null)
obs = Collections.singletonList(file).toArray();
}
if (obs != null && obs.length > 0) {
for (int i = 0; i < obs.length && cfgsOK; i++) {
// if project selected, don't do anything
if ((obs[i] instanceof IProject) || (obs[i] instanceof ICProject)) {
cfgsOK = false;
break;
}
IResource res = null;
// only folders and files may be affected by this action
if (obs[i] instanceof ICContainer || obs[i] instanceof ITranslationUnit) {
res = ((ICElement) obs[i]).getResource();
} else if (obs[i] instanceof IResource) {
// project's configuration cannot be deleted
res = (IResource) obs[i];
}
if (res != null) {
ICConfigurationDescription[] cfgds = getCfgsRead(res);
if (cfgds == null || cfgds.length == 0)
continue;
if (objects == null)
objects = new ArrayList<>();
objects.add(res);
if (cfgNames == null) {
cfgNames = new ArrayList<>(cfgds.length);
for (int j = 0; j < cfgds.length; j++) {
if (!canExclude(res, cfgds[j])) {
cfgNames = null;
cfgsOK = false;
break;
}
cfgNames.add(cfgds[j].getName());
}
} else {
if (cfgNames.size() != cfgds.length) {
cfgsOK = false;
} else {
for (int j = 0; j < cfgds.length; j++) {
if (!canExclude(res, cfgds[j]) || !cfgNames.contains(cfgds[j].getName())) {
cfgsOK = false;
break;
}
}
}
}
}
}
}
}
setBaseEnabled(cfgsOK && (objects != null));
}
private IFile getFileFromActiveEditor() {
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window != null) {
IWorkbenchPage page = window.getActivePage();
if (page != null) {
IEditorPart editor = page.getActiveEditor();
if (editor != null) {
IEditorInput input = editor.getEditorInput();
if (input != null)
return input.getAdapter(IFile.class);
}
}
}
return null;
}
private boolean canExclude(IResource res, ICConfigurationDescription cfg) {
IPath p = res.getFullPath();
ICSourceEntry[] ent = cfg.getSourceEntries();
boolean state = CDataUtil.isExcluded(p, ent);
return CDataUtil.canExclude(p, (res instanceof IFolder), !state, ent);
}
private void setExclude(IResource res, ICConfigurationDescription cfg, boolean exclude) {
try {
ICSourceEntry[] newEntries = CDataUtil.setExcluded(res.getFullPath(), (res instanceof IFolder), exclude,
cfg.getSourceEntries());
cfg.setSourceEntries(newEntries);
} catch (CoreException e) {
CUIPlugin.log(e);
}
}
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
openDialog();
return null;
}
private ICConfigurationDescription[] getCfgsRead(IResource res) {
IProject p = res.getProject();
if (!p.isOpen())
return null;
if (!CoreModel.getDefault().isNewStyleProject(p))
return null;
ICProjectDescription prjd = CoreModel.getDefault().getProjectDescription(p, false);
if (prjd == null)
return null;
ICConfigurationDescription[] cfgs = prjd.getConfigurations();
Arrays.sort(cfgs, CDTListComparator.getInstance());
return cfgs;
}
private void openDialog() {
if (objects == null || objects.size() == 0)
return;
// create list of configurations to delete
ListSelectionDialog dialog = new ListSelectionDialog(CUIPlugin.getActiveWorkbenchShell(), cfgNames,
createSelectionDialogContentProvider(), new LabelProvider() {
}, ActionMessages.ExcludeFromBuildAction_0);
dialog.setTitle(ActionMessages.ExcludeFromBuildAction_1);
boolean[] status = new boolean[cfgNames.size()];
Iterator<IResource> it = objects.iterator();
while (it.hasNext()) {
IResource res = it.next();
ICConfigurationDescription[] cfgds = getCfgsRead(res);
IPath p = res.getFullPath();
for (int i = 0; i < cfgds.length; i++) {
boolean b = CDataUtil.isExcluded(p, cfgds[i].getSourceEntries());
if (b)
status[i] = true;
}
}
ArrayList<String> lst = new ArrayList<>();
for (int i = 0; i < status.length; i++)
if (status[i])
lst.add(cfgNames.get(i));
if (lst.size() > 0)
dialog.setInitialElementSelections(lst);
if (dialog.open() == Window.OK) {
Object[] selected = dialog.getResult(); // may be empty
Iterator<IResource> it2 = objects.iterator();
while (it2.hasNext()) {
IResource res = it2.next();
IProject p = res.getProject();
if (!p.isOpen())
continue;
// get writable description
ICProjectDescription prjd = CoreModel.getDefault().getProjectDescription(p, true);
if (prjd == null)
continue;
ICConfigurationDescription[] cfgds = prjd.getConfigurations();
for (int i = 0; i < cfgds.length; i++) {
boolean exclude = false;
for (int j = 0; j < selected.length; j++) {
if (cfgds[i].getName().equals(selected[j])) {
exclude = true;
break;
}
}
setExclude(res, cfgds[i], exclude);
}
try {
CoreModel.getDefault().setProjectDescription(p, prjd);
} catch (CoreException e) {
CUIPlugin.logError(Messages.AbstractPage_11 + e.getLocalizedMessage());
}
AbstractPage.updateViews(res);
}
}
}
private IStructuredContentProvider createSelectionDialogContentProvider() {
return new IStructuredContentProvider() {
@Override
public Object[] getElements(Object inputElement) {
return cfgNames.toArray();
}
@Override
public void dispose() {
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
};
}
}
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