org.dawb.common.ui.preferences.TangoPreferencePage.java Source code

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Here is the source code for org.dawb.common.ui.preferences.TangoPreferencePage.java

Source

/*
 * Copyright (c) 2012 Diamond Light Source Ltd.
 *
 * 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 org.dawb.common.ui.preferences;

import org.dawb.common.ui.Activator;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.IntegerFieldEditor;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

/**
 *
 */
public class TangoPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {

    /**
     * 
     */
    public static final String ID = "org.dawb.common.ui.views.tangoPreferences";

    private BooleanFieldEditor mockMode;
    private StringFieldEditor serverEd, beamlineName, specSessionName;
    private IntegerFieldEditor portEd;

    /**
     * 
     */
    public TangoPreferencePage() {
        super(GRID);
        setPreferenceStore(Activator.getDefault().getPreferenceStore());
        setDescription("Preferences for talking to a tango server.");
    }

    @Override
    protected void createFieldEditors() {

        mockMode = new BooleanFieldEditor(CommonUIPreferenceConstants.MOCK_SESSION, "Mock Connection",
                getFieldEditorParent());
        addField(mockMode);
        mockMode.setPreferenceName(CommonUIPreferenceConstants.MOCK_SESSION);

        serverEd = new StringFieldEditor(CommonUIPreferenceConstants.SERVER_NAME, "Database Name",
                getFieldEditorParent());
        serverEd.setEmptyStringAllowed(false);
        addField(serverEd);

        portEd = new IntegerFieldEditor(CommonUIPreferenceConstants.SERVER_PORT, "Database Port",
                getFieldEditorParent());
        portEd.setEmptyStringAllowed(false);
        addField(portEd);

        beamlineName = new StringFieldEditor(CommonUIPreferenceConstants.BEAMLINE_NAME, "Beamline Name",
                getFieldEditorParent());
        beamlineName.setEmptyStringAllowed(false);
        addField(beamlineName);

        specSessionName = new StringFieldEditor(CommonUIPreferenceConstants.SPEC_NAME, "Spec Session Name",
                getFieldEditorParent());
        specSessionName.setEmptyStringAllowed(false);
        addField(specSessionName);

        setValid(true);

    }

    protected void initialize() {
        super.initialize();
        updateMockEnabled();
        mockMode.getDescriptionControl(getFieldEditorParent()).setToolTipText(
                "In mock mode no connection is made to tango and instead a local value repository is used. This mode applies to all tango connections from the workbench, workflow actors, spec console, monitoring etc.");
    }

    private void updateMockEnabled() {
        serverEd.setEnabled(!mockMode.getBooleanValue(), getFieldEditorParent());
        portEd.setEnabled(!mockMode.getBooleanValue(), getFieldEditorParent());
        beamlineName.setEnabled(!mockMode.getBooleanValue(), getFieldEditorParent());
        specSessionName.setEnabled(!mockMode.getBooleanValue(), getFieldEditorParent());
    }

    public void propertyChange(PropertyChangeEvent event) {
        super.propertyChange(event);

        if (getFieldEditorParent() == null || getFieldEditorParent().isDisposed())
            return;

        if (event.getSource() == mockMode) {
            updateMockEnabled();
            System.setProperty("org.dawb.test.session", new Boolean(mockMode.getBooleanValue()).toString());
        }

    }

    @Override
    protected void checkState() {

        super.checkState();

        try {
            //new Database(serverEd.getStringValue(), ""+portEd.getIntValue());

        } catch (Throwable ne) {
            //setErrorMessage("Cannot connect to "+serverEd.getStringValue()+":"+portEd.getIntValue());
            return;
        }

        if (beamlineName.getStringValue() == null || "".equals(beamlineName.getStringValue())) {
            setErrorMessage("Please set a beamline name to be used in the url to tango devices.");
            return;
        }

        if (specSessionName.getStringValue() == null || "".equals(specSessionName.getStringValue())) {
            setErrorMessage("Please set a spec session name to be used in the url to tango spec session.");
            return;
        }

        setErrorMessage(null);
        setValid(true);

    }

    @Override
    public void init(IWorkbench workbench) {

    }
}