de.walware.statet.r.internal.ui.RProjectPropertyPage.java Source code

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Here is the source code for de.walware.statet.r.internal.ui.RProjectPropertyPage.java

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/*=============================================================================#
 # Copyright (c) 2009-2015 Stephan Wahlbrink (WalWare.de) 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:
 #     Stephan Wahlbrink - initial API and implementation
 #=============================================================================*/

package de.walware.statet.r.internal.ui;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
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.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.statushandlers.StatusManager;

import de.walware.ecommons.IStatusChangeListener;
import de.walware.ecommons.preferences.Preference;
import de.walware.ecommons.preferences.ui.ConfigurationBlock;
import de.walware.ecommons.preferences.ui.ManagedConfigurationBlock;
import de.walware.ecommons.preferences.ui.PropertyAndPreferencePage;
import de.walware.ecommons.ui.util.LayoutUtil;

import de.walware.statet.r.core.IRProject;
import de.walware.statet.r.core.RProjects;
import de.walware.statet.r.ui.RUI;

public class RProjectPropertyPage extends PropertyAndPreferencePage {

    public RProjectPropertyPage() {
    }

    @Override
    protected String getPreferencePageID() {
        return null;
    }

    @Override
    protected String getPropertyPageID() {
        return "de.walware.statet.r.propertyPages.RProject"; //$NON-NLS-1$
    }

    @Override
    protected ConfigurationBlock createConfigurationBlock() throws CoreException {
        return new RProjectConfigurationBlock(getProject(), createStatusChangedListener());
    }

    @Override
    protected boolean hasProjectSpecificSettings(final IProject project) {
        return true;
    }

}

class RProjectConfigurationBlock extends ManagedConfigurationBlock {

    private RProjectContainerComposite fProjectComposite;

    private Text fPkgNameControl;

    private final IRProject fRProject;

    public RProjectConfigurationBlock(final IProject project, final IStatusChangeListener statusListener) {
        super(project, statusListener);

        fRProject = RProjects.getRProject(project);
    }

    @Override
    protected void createBlockArea(final Composite pageComposite) {
        final Map<Preference<?>, String> prefs = new HashMap<Preference<?>, String>();

        prefs.put(IRProject.BASE_FOLDER_PREF, null);

        setupPreferenceManager(prefs);

        final Composite composite = new Composite(pageComposite, SWT.NONE);
        composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        composite.setLayout(LayoutUtil.applyCompositeDefaults(new GridLayout(), 2));

        {
            final Composite packageComposite = new Composite(composite, SWT.NONE);
            packageComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
            packageComposite.setLayout(LayoutUtil.applyCompositeDefaults(new GridLayout(), 2));

            final Label label = new Label(packageComposite, SWT.NONE);
            label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
            label.setText("Package &Name:");

            fPkgNameControl = new Text(packageComposite, SWT.BORDER);
            fPkgNameControl.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
            fPkgNameControl.setFont(JFaceResources.getTextFont());

            LayoutUtil.addGDDummy(composite);
        }

        fProjectComposite = new RProjectContainerComposite(composite, getProject());
        fProjectComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        final Composite buttons = new Composite(composite, SWT.NONE);
        buttons.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true));
        buttons.setLayout(LayoutUtil.applyCompositeDefaults(new GridLayout(), 1));

        final Button setBase = new Button(buttons, SWT.PUSH);
        setBase.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
        setBase.setText("R &Base Folder");
        setBase.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(final SelectionEvent e) {
                fProjectComposite.toggleBaseContainer();
            }
        });

        updateControls();
    }

    @Override
    protected void updateControls() {
        final String value = getPreferenceValue(IRProject.BASE_FOLDER_PREF);
        if (value != null) {
            final IPath basePath = Path.fromPortableString(value);
            fProjectComposite.setBaseContainer(basePath);
        } else {
            fProjectComposite.setBaseContainer(null);
        }

        final String packageName = fRProject.getPackageName();
        fPkgNameControl.setText((packageName != null) ? packageName : "");
        super.updateControls();
    }

    @Override
    protected void updatePreferences() {
        final IPath basePath = fProjectComposite.getBaseContainer();
        if (basePath != null) {
            setPrefValue(IRProject.BASE_FOLDER_PREF, basePath.toPortableString());
        } else {
            setPrefValue(IRProject.BASE_FOLDER_PREF, null);
        }

        super.updatePreferences();
    }

    @Override
    public void performApply() {
        saveProjectConfig();
        super.performApply();
    }

    @Override
    public boolean performOk() {
        saveProjectConfig();
        return super.performOk();
    }

    private void saveProjectConfig() {
        try {
            final String packageName = fPkgNameControl.getText();
            fRProject.setPackageConfig((packageName.trim().length() != 0) ? packageName : null);
        } catch (final CoreException e) {
            StatusManager.getManager().handle(
                    new Status(IStatus.ERROR, RUI.PLUGIN_ID, "Failed to apply R project configuration."),
                    StatusManager.SHOW);
        }
    }

}