gov.redhawk.sca.ui.preferences.RedhawkScaPreferencePage.java Source code

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Here is the source code for gov.redhawk.sca.ui.preferences.RedhawkScaPreferencePage.java

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/**
 * This file is protected by Copyright. 
 * Please refer to the COPYRIGHT file distributed with this source distribution.
 * 
 * This file is part of REDHAWK IDE.
 * 
 * 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.
 *
 */
package gov.redhawk.sca.ui.preferences;

import gov.redhawk.common.ui.doc.HelpConstants;
import gov.redhawk.model.sca.ScaDomainManagerRegistry;
import gov.redhawk.model.sca.commands.ScaModelCommand;
import gov.redhawk.sca.ScaPlugin;
import gov.redhawk.sca.preferences.ScaPreferenceConstants;
import gov.redhawk.sca.ui.ScaUiPlugin;

import java.io.IOException;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.RadioGroupFieldEditor;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.statushandlers.StatusManager;

public class RedhawkScaPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {
    public static final String PREFERENCE_PAGE_ID = "gov.redhawk.ui.preferences.sca";
    private DomainListEditor domList = null;
    private ScaDomainManagerRegistry registry;

    @Override
    protected void createFieldEditors() {
        final StringFieldEditor field = new StringFieldEditor(ScaPreferenceConstants.SCA_DEFAULT_NAMING_SERVICE,
                "Default Naming Service:", getFieldEditorParent());
        addField(field);

        this.registry = ScaPlugin.getDefault().getDomainManagerRegistry(getFieldEditorParent().getDisplay());

        this.domList = new DomainListEditor(this.registry, "Domains:", getFieldEditorParent());
        addField(this.domList);

        /** We bind this field editor to a fake preference because we just use it to set the auto-connect 
          preference on all domains when selected */
        final RadioGroupFieldEditor autoConnect = new RadioGroupFieldEditor("FAKE",
                "All Domains: Reconnect on startup", 2,
                new String[][] { { "Auto", "true" }, { "Manual", "false" } }, getFieldEditorParent(), false);
        autoConnect.setPropertyChangeListener(new IPropertyChangeListener() {

            @Override
            public void propertyChange(PropertyChangeEvent event) {
                Boolean auto = Boolean.valueOf((String) event.getNewValue());
                RedhawkScaPreferencePage.this.domList.setAllAutoConnect(auto);
            }

        });

        final StringListFieldEditor listField = new StringListFieldEditor(
                ScaPreferenceConstants.SCA_DOMAIN_WAVEFORMS_SEARCH_PATH, "Waveforms Search Path:",
                getFieldEditorParent());
        addField(listField);
        listField.getUpButton().setVisible(false);
        listField.getDownButton().setVisible(false);

        PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(),
                HelpConstants.reference_preferences_domainConnections);
    }

    @Override
    public boolean performOk() {
        super.performOk();
        final boolean[] success = { false };
        final boolean[] done = { false };
        ScaModelCommand.execute(RedhawkScaPreferencePage.this.registry, new ScaModelCommand() {

            @Override
            public void execute() {
                try {
                    RedhawkScaPreferencePage.this.registry.eResource().save(null);
                    success[0] = true;
                } catch (IOException e) {
                    StatusManager.getManager()
                            .handle(new Status(IStatus.ERROR, ScaUiPlugin.PLUGIN_ID,
                                    "Failed to save SCA Domain Connections to configuration.", e),
                                    StatusManager.LOG | StatusManager.SHOW);
                } finally {
                    done[0] = true;
                }
            }

        });

        while (!done[0]) {
            if (!getShell().getDisplay().readAndDispatch()) {
                getShell().getDisplay().sleep();
            }
        }
        return success[0];
    }

    @Override
    protected void checkState() {
        super.checkState();
    }

    @Override
    public void init(final IWorkbench workbench) {
        setPreferenceStore(ScaUiPlugin.getDefault().getScaPreferenceStore());
    }

}