uk.ac.stfc.isis.ibex.ui.dashboard.widgets.Banner.java Source code

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Here is the source code for uk.ac.stfc.isis.ibex.ui.dashboard.widgets.Banner.java

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/*
* This file is part of the ISIS IBEX application.
* Copyright (C) 2012-2015 Science & Technology Facilities Council.
* All rights reserved.
*
* This program is distributed in the hope that it will be useful.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution.
* EXCEPT AS EXPRESSLY SET FORTH IN THE ECLIPSE PUBLIC LICENSE V1.0, THE PROGRAM 
* AND ACCOMPANYING MATERIALS ARE PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES 
* OR CONDITIONS OF ANY KIND.  See the Eclipse Public License v1.0 for more details.
*
* You should have received a copy of the Eclipse Public License v1.0
* along with this program; if not, you can obtain a copy from
* https://www.eclipse.org/org/documents/epl-v10.php or 
* http://opensource.org/licenses/eclipse-1.0.php
*/

package uk.ac.stfc.isis.ibex.ui.dashboard.widgets;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;

import uk.ac.stfc.isis.ibex.ui.dashboard.models.BannerModel;

/**
 * The view for the instrument dashboard banner showing the instrument state.
 */
@SuppressWarnings("checkstyle:magicnumber")
public class Banner extends Composite {

    private final Label bannerText;
    private final Composite details;
    private final Label lblRun;
    private final Label runNumber;
    private final Label lblShutter;
    private final Label shutter;
    private final Label simMode;

    /**
     * The constructor. 
     * 
     * @param parent The parent composite
     * @param style The SWT style
     * @param model The model holding data to display in the view
     * @param titleFont The font for the banner title
     * @param textFont The font for the banner text
     * @param simulationModeFont The font for the simulation mode indicator
     */
    public Banner(Composite parent, int style, BannerModel model, Font titleFont, Font textFont,
            Font simulationModeFont) {
        super(parent, style);
        GridLayout gridLayout = new GridLayout(1, false);
        gridLayout.marginWidth = 0;
        gridLayout.verticalSpacing = 0;
        gridLayout.marginHeight = 0;
        setLayout(gridLayout);
        parent.setBackgroundMode(SWT.INHERIT_FORCE);

        bannerText = new Label(this, SWT.WRAP | SWT.CENTER);
        bannerText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true, 1, 1));
        bannerText.setFont(titleFont);
        bannerText.setText("INSTRUMENT   is   RUNNING");

        details = new Composite(this, SWT.NONE);
        details.setLayoutData(new GridData(SWT.FILL, SWT.BOTTOM, false, false, 1, 1));
        details.setLayout(new GridLayout(5, false));
        details.setBackgroundMode(SWT.INHERIT_DEFAULT);

        lblRun = new Label(details, SWT.NONE);
        lblRun.setFont(textFont);
        lblRun.setText("Run:");

        runNumber = new Label(details, SWT.NONE);
        runNumber.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
        runNumber.setFont(textFont);
        runNumber.setText("00000001");

        simMode = new Label(details, SWT.NONE);
        simMode.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1));
        simMode.setFont(simulationModeFont);
        simMode.setText("SIMULATION MODE");

        lblShutter = new Label(details, SWT.NONE);
        lblShutter.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
        lblShutter.setFont(textFont);
        lblShutter.setText("Shutter:");

        shutter = new Label(details, SWT.NONE);
        GridData gdShutter = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
        gdShutter.widthHint = 100;
        gdShutter.minimumWidth = 100;
        shutter.setLayoutData(gdShutter);
        shutter.setFont(textFont);
        shutter.setText("UNKNOWN");

        if (model != null) {
            bind(model);
        }
    }

    private void bind(BannerModel model) {
        DataBindingContext bindingContext = new DataBindingContext();
        bindingContext.bindValue(WidgetProperties.text().observe(bannerText),
                BeanProperties.value("value").observe(model.bannerText()));
        bindingContext.bindValue(WidgetProperties.background().observe(this),
                BeanProperties.value("value").observe(model.background()));
        bindingContext.bindValue(WidgetProperties.text().observe(runNumber),
                BeanProperties.value("value").observe(model.runNumber()));
        bindingContext.bindValue(WidgetProperties.text().observe(shutter),
                BeanProperties.value("value").observe(model.shutter()));
        bindingContext.bindValue(WidgetProperties.visible().observe(simMode),
                BeanProperties.value("value").observe(model.daeSimMode()));
    }
}