Examples with NamedWidgetColor org.csstudio.display.builder.model.properties.NamedWidgetColor used on opensource projects

Example 1 with NamedWidgetColor

use of org.csstudio.display.builder.model.properties.NamedWidgetColor in project org.csstudio.display.builder by kasemir.

the class ColorUnitTest method testDefaultColors.

/**
 * Test fetching named colors
 *  @throws Exception on error
 */
@Test
public void testDefaultColors() throws Exception {
    final NamedWidgetColors colors = new NamedWidgetColors();
    // Fetch default alarm color
    NamedWidgetColor color = colors.getColor(NamedWidgetColors.ALARM_MAJOR).orElse(null);
    System.out.println(color);
    assertThat(color, not(nullValue()));
    assertThat(color.getRed(), equalTo(255));
    // Redefine, temporarily
    colors.define(new NamedWidgetColor(color.getName(), 0, 0, 0));
    color = colors.getColor(NamedWidgetColors.ALARM_MAJOR).orElse(null);
    System.out.println(color);
    assertThat(color.getRed(), equalTo(0));
    // STOP is not known by default
    color = colors.getColor("STOP").orElse(null);
    assertThat(color, nullValue());
    // Load STOP, also load MAJOR back to default
    colors.read(new FileInputStream("../org.csstudio.display.builder.model/examples/color.def"));
    color = colors.getColor(NamedWidgetColors.ALARM_MAJOR).orElse(null);
    System.out.println(color);
    assertThat(color, not(nullValue()));
    assertThat(color.getRed(), equalTo(255));
    color = colors.getColor("STOP").orElse(null);
    System.out.println(color);
    assertThat(color, not(nullValue()));
}

Example 2 with NamedWidgetColor

use of org.csstudio.display.builder.model.properties.NamedWidgetColor in project org.csstudio.display.builder by kasemir.

the class ColorUnitTest method testNamedColors.

/**
 * Test fetching named colors
 *  @throws Exception on error
 */
@Test
public void testNamedColors() throws Exception {
    final NamedWidgetColors colors = new NamedWidgetColors();
    NamedWidgetColor color = colors.getColor(NamedWidgetColors.ALARM_MAJOR).orElse(null);
    System.out.println(color);
    assertThat(color, not(nullValue()));
    assertThat(color.getRed(), equalTo(255));
    color = colors.getColor("STOP").orElse(null);
    assertThat(color, nullValue());
    colors.read(new FileInputStream("../org.csstudio.display.builder.model/examples/color.def"));
    color = colors.getColor("STOP").orElse(null);
    System.out.println(color);
    assertThat(color, not(nullValue()));
}

Example 3 with NamedWidgetColor

use of org.csstudio.display.builder.model.properties.NamedWidgetColor in project org.csstudio.display.builder by kasemir.

the class XMLUtil method getChildColor.

/**
 * Given a parent element, locate color value of a child node.
 *
 * @param parent Parent element.
 * @param name Name of child element.
 * @return Value of child element, or empty result.
 */
public static Optional<WidgetColor> getChildColor(final Element parent, final String name) {
    final Element child = getChildElement(parent, name);
    if (child != null) {
        Element colorElement = XMLUtil.getChildElement(child, XMLTags.COLOR);
        if (colorElement == null) {
            return Optional.empty();
        }
        WidgetColor color = null;
        String colorName = colorElement.getAttribute(XMLTags.NAME);
        try {
            int red = getAttribute(colorElement, XMLTags.RED);
            int green = getAttribute(colorElement, XMLTags.GREEN);
            int blue = getAttribute(colorElement, XMLTags.BLUE);
            String alphaString = colorElement.getAttribute(XMLTags.ALPHA);
            int alpha = alphaString.isEmpty() ? 255 : Integer.parseInt(alphaString);
            if (colorName.isEmpty()) {
                // Plain color
                color = new WidgetColor(red, green, blue, alpha);
            } else {
                color = WidgetColorService.getColors().resolve(new NamedWidgetColor(colorName, red, green, blue, alpha));
            }
        } catch (Exception ex) {
            // Older legacy files had no red/green/blue info for named colors
            logger.log(Level.WARNING, "Line " + XMLUtil.getLineInfo(child), ex);
            if (colorName.isEmpty()) {
                color = WidgetColorService.getColor(NamedWidgetColors.TEXT);
            } else {
                color = WidgetColorService.getColor(colorName);
            }
        }
        return (color == null) ? Optional.empty() : Optional.of(color);
    } else {
        return Optional.empty();
    }
}

Example 4 with NamedWidgetColor

use of org.csstudio.display.builder.model.properties.NamedWidgetColor in project org.csstudio.display.builder by kasemir.

the class NamedWidgetColors method parse.

@Override
protected void parse(final String name, final String value) throws Exception {
    Optional<NamedWidgetColor> optionalColor = getColor(value);
    if (optionalColor.isPresent()) {
        NamedWidgetColor namedColor = optionalColor.get();
        define(new NamedWidgetColor(name, namedColor.getRed(), namedColor.getGreen(), namedColor.getBlue(), namedColor.getAlpha()));
    } else {
        final StringTokenizer tokenizer = new StringTokenizer(value, ",");
        try {
            final int red = Integer.parseInt(tokenizer.nextToken().trim());
            final int green = Integer.parseInt(tokenizer.nextToken().trim());
            final int blue = Integer.parseInt(tokenizer.nextToken().trim());
            final int alpha = tokenizer.hasMoreTokens() ? Integer.parseInt(tokenizer.nextToken().trim()) : 255;
            define(new NamedWidgetColor(name, red, green, blue, alpha));
        } catch (Throwable ex) {
            throw new Exception("Cannot parse color '" + name + "' from '" + value + "'", ex);
        }
    }
}

Example 5 with NamedWidgetColor

use of org.csstudio.display.builder.model.properties.NamedWidgetColor in project org.csstudio.display.builder by kasemir.

the class ColorUnitTest method testColorService.

/**
 * Test fetching named colors from service
 *
 *  Time-based test, may occasionally fail because background thread doesn't get to run as expected
 *
 *  @throws Exception on error
 */
@Test(timeout = 30000)
public void testColorService() throws Exception {
    System.out.println("On " + Thread.currentThread().getName());
    // Default colors do not include 'STOP'
    NamedWidgetColors colors = WidgetColorService.getColors();
    NamedWidgetColor color = colors.getColor("STOP").orElse(null);
    assertThat(color, nullValue());
    int delay_seconds = 10;
    // Load colors, using a source with artificial delay
    final DelayedStream slow_color_source = new DelayedStream("../org.csstudio.display.builder.model/examples/color.def");
    WidgetColorService.loadColors(new String[] { "Slow file" }, file -> slow_color_source.call());
    // Getting the colors is now delayed by the WidgetColorService.LOAD_DELAY
    long start = System.currentTimeMillis();
    colors = WidgetColorService.getColors();
    double seconds = (System.currentTimeMillis() - start) / 1000.0;
    System.out.println("Loading the slow color file took " + seconds + " seconds");
    // Should get default names, because slow_color_source is not ready, yet
    color = colors.getColor("STOP").orElse(null);
    System.out.println("'STOP' should be null: " + color);
    assertThat(color, nullValue());
    // The file is still loading, and eventually we should get it
    slow_color_source.proceed();
    TimeUnit.SECONDS.sleep(delay_seconds);
    start = System.currentTimeMillis();
    colors = WidgetColorService.getColors();
    seconds = (System.currentTimeMillis() - start) / 1000.0;
    System.out.println("Fetching colors after the file got loaded took " + seconds + " seconds");
    color = colors.getColor("STOP").orElse(null);
    System.out.println(color);
    assertThat(color, not(nullValue()));
}