Example usage for org.eclipse.jface.resource FontRegistry filterData

Introduction

In this page you can find the example usage for org.eclipse.jface.resource FontRegistry filterData.

Prototype

public FontData[] filterData(FontData[] fonts, Display display) 

Source Link

Document

Removes from the list all fonts that do not exist in this system.

Usage

From source file:org.eclipse.ui.internal.themes.ThemeElementHelper.java

License:Open Source License

/**
 * Installs the given font in the preference store and optionally the font 
 * registry./*w w w  .j av a  2s  .  c  o  m*/
 * 
 * @param definition
 *            the font definition
 * @param registry
 *            the font registry
 * @param store
 *            the preference store from which to set and obtain font data
 * @param setInRegistry
 *            whether the color should be put into the registry as well as
 *            having its default preference set
 */
private static void installFont(FontDefinition definition, ITheme theme, IPreferenceStore store,
        boolean setInRegistry) {
    FontRegistry registry = theme.getFontRegistry();

    String id = definition.getId();
    String key = createPreferenceKey(theme, id);
    FontData[] prefFont = store != null ? PreferenceConverter.getFontDataArray(store, key) : null;
    FontData[] defaultFont = null;
    if (definition.getValue() != null) {
        defaultFont = definition.getValue();
    } else if (definition.getDefaultsTo() != null) {
        defaultFont = registry.filterData(registry.getFontData(definition.getDefaultsTo()),
                PlatformUI.getWorkbench().getDisplay());
    } else {
        // values pushed in from jface property files.  Very ugly.
        Display display = PlatformUI.getWorkbench().getDisplay();

        //If in high contrast, ignore the defaults in jface and use the default (system) font.
        //This is a hack to address bug #205474. See bug #228207 for a future fix.
        FontData[] fontData = JFaceResources.getFontRegistry()
                .getFontData(display.getHighContrast() ? JFaceResources.DEFAULT_FONT : id);
        defaultFont = registry.bestDataArray(fontData, display);
    }

    if (setInRegistry) {
        if (prefFont == null || prefFont == PreferenceConverter.FONTDATA_ARRAY_DEFAULT_DEFAULT) {
            prefFont = defaultFont;
        }

        if (prefFont != null) {
            registry.put(id, prefFont);
        }
    }

    if (defaultFont != null && store != null) {
        PreferenceConverter.setDefault(store, key, defaultFont);
    }
}

---

From source file:org.eclipse.ui.tests.preferences.DeprecatedFontPreferenceTestCase.java

License:Open Source License

/**
 * Test for a valid font like the test font. The first good one
 * we should find should be the first one in the list.
 *///w  ww .  j av a 2s.c om

public void testGoodFontDefinition() {

    FontRegistry fontRegistry = JFaceResources.getFontRegistry();
    FontData[] currentTextFonts = PreferenceConverter.getFontDataArray(preferenceStore,
            JFaceResources.TEXT_FONT);
    FontData bestFont = fontRegistry.filterData(currentTextFonts, Display.getCurrent())[0];

    //Assert that it is the first font that we get as the
    //valid one
    assertEquals(bestFont.getName(), currentTextFonts[0].getName());
    assertEquals(bestFont.getHeight(), currentTextFonts[0].getHeight());
}

---

From source file:org.eclipse.ui.tests.preferences.DeprecatedFontPreferenceTestCase.java

License:Open Source License

/**
 * Test that if the first font in the list is bad that the 
 * second one comes back as valid.//w w  w.  j ava  2s .  co m
 */

public void testBadFirstFontDefinition() {

    FontRegistry fontRegistry = JFaceResources.getFontRegistry();
    FontData[] currentTestFonts = PreferenceConverter.getFontDataArray(preferenceStore, TEST_FONT_ID);
    FontData bestFont = fontRegistry.filterData(currentTestFonts, Display.getCurrent())[0];

    //Assert that it is the second font that we get as the
    //valid one
    assertEquals(bestFont.getName(), currentTestFonts[1].getName());
    assertEquals(bestFont.getHeight(), currentTestFonts[1].getHeight());
}

---

From source file:org.eclipse.ui.tests.preferences.DeprecatedFontPreferenceTestCase.java

License:Open Source License

/**
 * Test that the no valid font is returned when the entry
 * is missing.// w ww.j  av  a 2  s.c  o m
 */

public void testNoFontDefinition() {

    FontRegistry fontRegistry = JFaceResources.getFontRegistry();
    FontData[] currentTestFonts = PreferenceConverter.getFontDataArray(preferenceStore, MISSING_FONT_ID);
    FontData bestFont = fontRegistry.filterData(currentTestFonts, Display.getCurrent())[0];

    FontData[] systemFontData = Display.getCurrent().getSystemFont().getFontData();

    //Assert that the first font is the system font
    assertEquals(bestFont.getName(), systemFontData[0].getName());
    assertEquals(bestFont.getHeight(), systemFontData[0].getHeight());
}

---

From source file:org.eclipse.ui.tests.preferences.FontPreferenceTestCase.java

License:Open Source License

/**
 * Test that if the first font in the list is bad that the 
 * second one comes back as valid.// w  w w.  j  ava 2 s. c o  m
 */

public void testBadFirstFontDefinition() {

    FontRegistry fontRegistry = JFaceResources.getFontRegistry();
    FontData[] currentTestFonts = PreferenceConverter.getFontDataArray(preferenceStore, TEST_FONT_ID);
    FontData[] bestFont = fontRegistry.filterData(currentTestFonts, Display.getCurrent());

    //Assert that it is the second font that we get as the
    //valid one
    assertEquals(bestFont[0].getName(), currentTestFonts[1].getName());
    assertEquals(bestFont[0].getHeight(), currentTestFonts[1].getHeight());
}

---

From source file:org.eclipse.ui.tests.preferences.FontPreferenceTestCase.java

License:Open Source License

/**
 * Test that the no valid font is returned when the entry
 * is missing.//from  ww w .java  2 s.c  om
 */

public void testNoFontDefinition() {

    FontRegistry fontRegistry = JFaceResources.getFontRegistry();
    FontData[] currentTestFonts = PreferenceConverter.getFontDataArray(preferenceStore, MISSING_FONT_ID);
    FontData[] bestFont = fontRegistry.filterData(currentTestFonts, Display.getCurrent());

    FontData[] systemFontData = Display.getCurrent().getSystemFont().getFontData();

    //Assert that the first font is the system font
    assertEquals(bestFont[0].getName(), systemFontData[0].getName());
    assertEquals(bestFont[0].getHeight(), systemFontData[0].getHeight());
}

---