Examples with TextAttribute org.eclipse.jface.text.TextAttribute used on opensource projects

Example 86 with TextAttribute

use of org.eclipse.jface.text.TextAttribute in project webtools.sourceediting by eclipse.

the class XMLSyntaxColoringPage method applyStyles.

/**
 * Color the text in the sample area according to the current preferences
 */
void applyStyles() {
    if (fText == null || fText.isDisposed())
        return;
    IStructuredDocumentRegion documentRegion = fDocument.getFirstStructuredDocumentRegion();
    while (documentRegion != null) {
        ITextRegionList regions = documentRegion.getRegions();
        for (int i = 0; i < regions.size(); i++) {
            ITextRegion currentRegion = regions.get(i);
            // lookup the local coloring type and apply it
            String namedStyle = (String) fContextToStyleMap.get(currentRegion.getType());
            if (namedStyle == null)
                continue;
            TextAttribute attribute = getAttributeFor(namedStyle);
            if (attribute == null)
                continue;
            StyleRange style = new StyleRange(documentRegion.getStartOffset(currentRegion), currentRegion.getTextLength(), attribute.getForeground(), attribute.getBackground(), attribute.getStyle());
            style.strikeout = (attribute.getStyle() & TextAttribute.STRIKETHROUGH) != 0;
            style.underline = (attribute.getStyle() & TextAttribute.UNDERLINE) != 0;
            fText.setStyleRange(style);
        }
        documentRegion = documentRegion.getNext();
    }
}

Example 87 with TextAttribute

use of org.eclipse.jface.text.TextAttribute in project webtools.sourceediting by eclipse.

the class XMLSyntaxColoringPage method getAttributeFor.

private TextAttribute getAttributeFor(String namedStyle) {
    TextAttribute ta = new TextAttribute(fDefaultForeground, fDefaultBackground, SWT.NORMAL);
    if (namedStyle != null && fOverlayStore != null) {
        // note: "namedStyle" *is* the preference key
        String prefString = getOverlayStore().getString(namedStyle);
        String[] stylePrefs = ColorHelper.unpackStylePreferences(prefString);
        if (stylePrefs != null) {
            RGB foreground = ColorHelper.toRGB(stylePrefs[0]);
            RGB background = ColorHelper.toRGB(stylePrefs[1]);
            int fontModifier = SWT.NORMAL;
            if (stylePrefs.length > 2) {
                boolean on = Boolean.valueOf(stylePrefs[2]).booleanValue();
                if (on)
                    fontModifier = fontModifier | SWT.BOLD;
            }
            if (stylePrefs.length > 3) {
                boolean on = Boolean.valueOf(stylePrefs[3]).booleanValue();
                if (on)
                    fontModifier = fontModifier | SWT.ITALIC;
            }
            if (stylePrefs.length > 4) {
                boolean on = Boolean.valueOf(stylePrefs[4]).booleanValue();
                if (on)
                    fontModifier = fontModifier | TextAttribute.STRIKETHROUGH;
            }
            if (stylePrefs.length > 5) {
                boolean on = Boolean.valueOf(stylePrefs[5]).booleanValue();
                if (on)
                    fontModifier = fontModifier | TextAttribute.UNDERLINE;
            }
            ta = new TextAttribute((foreground != null) ? EditorUtility.getColor(foreground) : null, (background != null) ? EditorUtility.getColor(background) : null, fontModifier);
        }
    }
    return ta;
}

Example 88 with TextAttribute

use of org.eclipse.jface.text.TextAttribute in project webtools.sourceediting by eclipse.

the class XMLSyntaxColoringPage method activate.

// activate controls based on the given local color type
private void activate(String namedStyle) {
    Color foreground = fDefaultForeground;
    Color background = fDefaultBackground;
    if (namedStyle == null) {
        fClearStyle.setEnabled(false);
        fBold.setEnabled(false);
        fItalic.setEnabled(false);
        fStrike.setEnabled(false);
        fUnderline.setEnabled(false);
        fForegroundLabel.setEnabled(false);
        fBackgroundLabel.setEnabled(false);
        fForegroundColorEditor.setEnabled(false);
        fBackgroundColorEditor.setEnabled(false);
        fBold.setSelection(false);
        fItalic.setSelection(false);
        fStrike.setSelection(false);
        fUnderline.setSelection(false);
    } else {
        TextAttribute attribute = getAttributeFor(namedStyle);
        fClearStyle.setEnabled(true);
        fBold.setEnabled(true);
        fItalic.setEnabled(true);
        fStrike.setEnabled(true);
        fUnderline.setEnabled(true);
        fForegroundLabel.setEnabled(true);
        fBackgroundLabel.setEnabled(true);
        fForegroundColorEditor.setEnabled(true);
        fBackgroundColorEditor.setEnabled(true);
        fBold.setSelection((attribute.getStyle() & SWT.BOLD) != 0);
        fItalic.setSelection((attribute.getStyle() & SWT.ITALIC) != 0);
        fStrike.setSelection((attribute.getStyle() & TextAttribute.STRIKETHROUGH) != 0);
        fUnderline.setSelection((attribute.getStyle() & TextAttribute.UNDERLINE) != 0);
        if (attribute.getForeground() != null) {
            foreground = attribute.getForeground();
        }
        if (attribute.getBackground() != null) {
            background = attribute.getBackground();
        }
    }
    fForegroundColorEditor.setColorValue(foreground.getRGB());
    fBackgroundColorEditor.setColorValue(background.getRGB());
}

Example 89 with TextAttribute

use of org.eclipse.jface.text.TextAttribute in project webtools.sourceediting by eclipse.

the class SemanticHighlightingManager method adaptToTextStyleChange.

private void adaptToTextStyleChange(HighlightingStyle highlighting, PropertyChangeEvent event, int styleAttribute) {
    boolean eventValue = false;
    Object value = event.getNewValue();
    if (value instanceof Boolean)
        eventValue = ((Boolean) value).booleanValue();
    else if (IPreferenceStore.TRUE.equals(value))
        eventValue = true;
    TextAttribute oldAttr = highlighting.getTextAttribute();
    boolean activeValue = (oldAttr.getStyle() & styleAttribute) == styleAttribute;
    if (activeValue != eventValue)
        highlighting.setTextAttribute(new TextAttribute(oldAttr.getForeground(), oldAttr.getBackground(), eventValue ? oldAttr.getStyle() | styleAttribute : oldAttr.getStyle() & ~styleAttribute));
}

Example 90 with TextAttribute

use of org.eclipse.jface.text.TextAttribute in project webtools.sourceediting by eclipse.

the class SemanticHighlightingManager method createHighlightingStyle.

/**
 * Creates a highlighting style based on the preferences defined in the semantic highlighting
 * @param highlighting the semantic highlighting
 * @return a highlighting style based on the preferences of the semantic highlighting
 */
private HighlightingStyle createHighlightingStyle(ISemanticHighlighting highlighting, String styleKey) {
    IPreferenceStore store = highlighting.getPreferenceStore();
    HighlightingStyle highlightingStyle = null;
    if (store != null) {
        TextAttribute attribute = null;
        // A style string is used instead of separate attribute keys
        if (styleKey != null) {
            attribute = createTextAttribute(store.getString(styleKey));
        } else {
            int style = getBoolean(store, highlighting.getBoldPreferenceKey()) ? SWT.BOLD : SWT.NORMAL;
            if (getBoolean(store, highlighting.getItalicPreferenceKey()))
                style |= SWT.ITALIC;
            if (getBoolean(store, highlighting.getStrikethroughPreferenceKey()))
                style |= TextAttribute.STRIKETHROUGH;
            if (getBoolean(store, highlighting.getUnderlinePreferenceKey()))
                style |= TextAttribute.UNDERLINE;
            String rgbString = getString(store, highlighting.getColorPreferenceKey());
            Color color = null;
            Color bgColor = null;
            if (rgbString != null)
                color = EditorUtility.getColor(ColorHelper.toRGB(rgbString));
            if (highlighting instanceof ISemanticHighlightingExtension2) {
                rgbString = getString(store, ((ISemanticHighlightingExtension2) highlighting).getBackgroundColorPreferenceKey());
                if (rgbString != null) {
                    bgColor = EditorUtility.getColor(ColorHelper.toRGB(rgbString));
                }
            }
            attribute = new TextAttribute(color, bgColor, style);
        }
        store.addPropertyChangeListener(fHighlightingChangeListener);
        boolean isEnabled = getBoolean(store, highlighting.getEnabledPreferenceKey());
        highlightingStyle = new HighlightingStyle(attribute, isEnabled);
    }
    return highlightingStyle;
}