java类org.eclipse.swt.graphics.GlyphMetrics的实例源码

/**
 * Constructor. Sets properties of the editor window.
 * 
 * @param parent
 * @param text
 * @param editable
 * @param shortcutHandler
 */
public Note(Composite parent, String text, boolean editable) {
    // Enable multiple lines and scroll bars.
    super(parent, SWT.V_SCROLL | SWT.H_SCROLL);

    preferences = InstanceScope.INSTANCE.getNode(Notepad4e.PLUGIN_ID);

    undoRedoManager = new UndoRedoManager(this);
    bulletStyle = new StyleRange();
    bulletStyle.metrics = new GlyphMetrics(0, 0, 0);

    // Scroll bars only appear when the text extends beyond the note window.
    setAlwaysShowScrollBars(false);
    setParametersFromPreferences();
    setText(text);
    initialiseMenu();

    if (!editable) {
        toggleEditable();
    }
}

private void createUI30Hints(final Composite parent) {

        final Composite container = new Composite(parent, SWT.NONE);
        GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(container);
        GridLayoutFactory.fillDefaults().numColumns(1).applyTo(container);
        {
            // use a bulleted list to display this info
            final StyleRange style = new StyleRange();
            style.metrics = new GlyphMetrics(0, 0, 10);
            final Bullet bullet = new Bullet(style);

            final String infoText = Messages.Modify_MapProvider_Label_Hints;
            final int lineCount = Util.countCharacter(infoText, '\n');

            final StyledText styledText = new StyledText(container, SWT.READ_ONLY | SWT.WRAP | SWT.MULTI);
            GridDataFactory.fillDefaults().grab(true, false).applyTo(styledText);
            styledText.setText(infoText);
            styledText.setBackground(container.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
            styledText.setLineBullet(1, lineCount, bullet);
            styledText.setLineWrapIndent(1, lineCount, 10);
        }
    }

private void createUI_76_Hints(final Composite parent) {

        // use a bulleted list to display this info
        final StyleRange style = new StyleRange();
        style.metrics = new GlyphMetrics(0, 0, 10);
        final Bullet bullet = new Bullet(style);

        final String infoText = Messages.ColumnModifyDialog_Label_Hints;
        final int lineCount = Util.countCharacter(infoText, '\n');

        final StyledText styledText = new StyledText(parent, SWT.READ_ONLY | SWT.WRAP | SWT.MULTI);
        styledText.setText(infoText);
        styledText.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
        styledText.setLineBullet(1, lineCount, bullet);
        styledText.setLineWrapIndent(1, lineCount, 10);
        GridDataFactory.fillDefaults()//
                .grab(true, false)
                .span(2, 1)
                .applyTo(styledText);
    }

private void configureStyledText(String text, boolean enabled) {
    if (fStyledText == null)
        return;

    fStyledText.setText(text);
    int count= fStyledText.getCharCount();
    if (count == 0)
        return;

    Color foreground= enabled ? null : Display.getDefault().getSystemColor(SWT.COLOR_DARK_GRAY);

    fStyledText.setStyleRange(new StyleRange(0, count, foreground, null));

    StyleRange styleRange= new StyleRange(0, count, foreground, null);
    styleRange.metrics= new GlyphMetrics(0, 0, 20);
    fStyledText.setLineBullet(0, fStyledText.getLineCount(), new Bullet(styleRange));

    fStyledText.setEnabled(enabled);
}

private void configureStyledText(String text, boolean enabled) {
    if (fStyledText == null)
        return;

    fStyledText.setText(text);
    int count= fStyledText.getCharCount();
    if (count == 0)
        return;

    Color foreground= enabled ? null : Display.getDefault().getSystemColor(SWT.COLOR_DARK_GRAY);

    fStyledText.setStyleRange(new StyleRange(0, count, foreground, null));

    StyleRange styleRange= new StyleRange(0, count, foreground, null);
    styleRange.metrics= new GlyphMetrics(0, 0, 20);
    fStyledText.setLineBullet(0, fStyledText.getLineCount(), new Bullet(styleRange));

    fStyledText.setEnabled(enabled);
}

@Override
public void lineGetStyle(LineStyleEvent e) {
    // Set the line number
    int line = tc.getLineAtOffset(e.lineOffset);
    int lastLine = tc.getLineCount() - 1;

    e.bulletIndex = line;

    String prompt = "gdb>";

    // Set the style, 12 pixles wide for each digit
    StyleRange style = new StyleRange();
    style.metrics = new GlyphMetrics(0, 0, prompt.length() * 12);

    // Create and set the bullet
    e.bullet = new Bullet(ST.BULLET_TEXT, style);
    if (line == lastLine) {
        e.bullet.text = prompt;
    } else {
        e.bullet.text = "";
    }
}

private Bullet buildMainModelStyle() {
    StyleRange style = new StyleRange();
    style.metrics = new GlyphMetrics(0, 0, 40);
    style.foreground = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
    Bullet bullet = new Bullet(style);
    return bullet;
}

private Bullet buildAdditionalTitleModelStyle() {
    StyleRange style = new StyleRange();
    style.metrics = new GlyphMetrics(0, 0, 40);
    style.foreground = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
    Bullet bullet = new Bullet(style);
    return bullet;
}

private Bullet buildCheckedlStyle() {
    StyleRange style2 = new StyleRange();
    style2.metrics = new GlyphMetrics(0, 0, 80);
    style2.foreground = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
    Bullet bullet = new Bullet(ST.BULLET_TEXT, style2);
    bullet.text = "\u2713";
    return bullet;
}

public void lineGetStyle(LineStyleEvent e) {
    int lineStart = e.lineOffset;
    int lineEnd = lineStart + e.lineText.length();
    // Set the line number
    e.bulletIndex = text.getLineAtOffset(lineStart);

    // Set the style, 12 pixels wide for each digit
    StyleRange style = new StyleRange();
    style.foreground = new Color(text.getDisplay(), 120, 120, 120);
    style.fontStyle = SWT.ITALIC;
    style.metrics = new GlyphMetrics(0, 0, Integer.toString(text.getLineCount() + 1).length() * 12);
    // Create and set the bullet
    e.bullet = new Bullet(ST.BULLET_NUMBER, style);

    List<StyleRange> ranges = Lists.newArrayList();
    for(TermOccurrence occ:FileEditorPart.this.occurrences) {
        if((occ.getBegin() < lineEnd && occ.getEnd() > lineStart)) {
            int styleStart = Ints.max(occ.getBegin(), lineStart);
            int styleEnd = Ints.min(occ.getEnd(), lineEnd);
            int overlap = styleEnd - styleStart;
            StyleRange styleRange = new StyleRange();
            styleRange.start = styleStart;
            styleRange.length =  overlap;
            if(occ.equals(activeOccurrence)) {
                styleRange.fontStyle = SWT.BOLD | SWT.ITALIC;
                styleRange.background = COLOR_CYAN;
            } else {
                styleRange.background = COLOR_GRAY;                     
            }

            ranges.add(styleRange);
        }
    }
    e.styles = ranges.toArray(new StyleRange[ranges.size()]);
}

protected void setLineBulletAndStuff() {
        text.setLineBullet(0, text.getLineCount(), null); // delete line bullet first to guarantee update! (bug in SWT?)
        if (settings.isShowLineBullets() && currentRegionObject!=null && getNTextLines()>0) {
            Storage store = Storage.getInstance();
            for (int i=0; i<text.getLineCount(); ++i) {             
                final int docId = store.getDoc().getId();
                final int pNr = store.getPage().getPageNr();

                int bulletFgColor = SWT.COLOR_BLACK;

                int fontStyle = SWT.NORMAL;
                if (i>= 0 && i <currentRegionObject.getTextLine().size()) {
                    final String lineId = currentRegionObject.getTextLine().get(i).getId();
                    boolean hasWg = store.hasWordGraph(docId, pNr, lineId);

                    fontStyle = (i == getCurrentLineIndex()) ? SWT.BOLD : SWT.NORMAL;   
                    bulletFgColor = hasWg ? SWT.COLOR_DARK_GREEN : SWT.COLOR_BLACK;
                }

                StyleRange style = new StyleRange(0, text.getCharCount(), Colors.getSystemColor(bulletFgColor), Colors.getSystemColor(SWT.COLOR_GRAY), fontStyle);
                style.metrics = new GlyphMetrics(0, 0, Integer.toString(text.getLineCount() + 1).length() * 12);
//              style.background = Colors.getSystemColor(SWT.COLOR_GRAY);
                Bullet bullet = new Bullet(/*ST.BULLET_NUMBER |*/ ST.BULLET_TEXT, style);
                bullet.text = ""+(i+1);

                text.setLineBullet(i, 1, bullet);
                text.setLineIndent(i, 1, 25);
                text.setLineAlignment(i, 1, settings.getTextAlignment());
                text.setLineWrapIndent(i, 1, 25+style.metrics.width);
            }

//          text.setLineBullet(0, text.getLineCount(), bullet);
//          text.setLineIndent(0, text.getLineCount(), 25);
//          text.setLineAlignment(0, text.getLineCount(), textAlignment);
//          text.setLineWrapIndent(0, text.getLineCount(), 25+style.metrics.width);         


        }
    }

private void setLineBullet() {
        StyleRange style = new StyleRange();
        style.metrics = new GlyphMetrics(0, 0, Integer.toString(text.getLineCount() + 1).length() * 12);
        style.background = Colors.getSystemColor(SWT.COLOR_GRAY);
        Bullet bullet = new Bullet(ST.BULLET_NUMBER, style);
        text.setLineBullet(0, text.getLineCount(), bullet);
//      text.setLineIndent(0, text.getLineCount(), 25);
//      text.setLineAlignment(0, text.getLineCount(), textAlignment);
//      text.setLineWrapIndent(0, text.getLineCount(), 25+style.metrics.width);     
    }

private static void addBulletForLine(StyledText styledText, LineStyleEvent event,
                                     Map<StyleType, StyleRangeTemplate> theme) {
    // Using ST.BULLET_NUMBER sometimes results in weird alignment.
    //event.bulletIndex = styledText.getLineAtOffset(event.lineOffset);
    StyleRange styleRange = theme.get(StyleType.LINE_NUMBER).create();
    int maxLine = styledText.getLineCount();
    int bulletLength = Integer.toString(maxLine).length();
    // Width of number character is half the height in monospaced font, add 1 character width for right padding.
    int bulletWidth = (bulletLength + 1) * styledText.getLineHeight() / 2;
    styleRange.metrics = new GlyphMetrics(0, 0, bulletWidth);
    event.bullet = new Bullet(ST.BULLET_TEXT, styleRange);
    // getLineAtOffset() returns a zero-based line index.
    int bulletLine = styledText.getLineAtOffset(event.lineOffset) + 1;
    event.bullet.text = String.format("%" + bulletLength + "s", bulletLine);
}

private TextLayout getCellTextLayout(LayerCell cell) {
    int orientation = editor.getTable().getStyle() & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT);
    TextLayout layout = new TextLayout(editor.getTable().getDisplay());
    layout.setOrientation(orientation);
    layout.setSpacing(Constants.SEGMENT_LINE_SPACING);
    layout.setFont(font);
    layout.setAscent(ascent);
    layout.setDescent(descent); // 和 StyledTextEditor 同步
    layout.setTabs(new int[] { tabWidth });

    Rectangle rectangle = cell.getBounds();
    int width = rectangle.width - leftPadding - rightPadding;
    width -= 1;
    if (wrapText && width > 0) {
        layout.setWidth(width);
    }

    String displayText = InnerTagUtil.resolveTag(innerTagFactory.parseInnerTag((String) cell.getDataValue()));
    if (XliffEditorParameter.getInstance().isShowNonpirnttingCharacter()) {
        displayText = displayText.replaceAll("\\n", Constants.LINE_SEPARATOR_CHARACTER + "\n");
        displayText = displayText.replaceAll("\\t", Constants.TAB_CHARACTER + "\u200B");
        displayText = displayText.replaceAll(" ", Constants.SPACE_CHARACTER + "\u200B");
    }
    layout.setText(displayText);
    List<InnerTagBean> innerTagBeans = innerTagFactory.getInnerTagBeans();
    for (InnerTagBean innerTagBean : innerTagBeans) {
        String placeHolder = placeHolderBuilder.getPlaceHolder(innerTagBeans, innerTagBeans.indexOf(innerTagBean));
        int start = displayText.indexOf(placeHolder);
        if (start == -1) {
            continue;
        }
        TextStyle style = new TextStyle();
        Point rect = tagRender.calculateTagSize(innerTagBean);
        style.metrics = new GlyphMetrics(rect.y, 0, rect.x + SEGMENT_LINE_SPACING * 2);
        layout.setStyle(style, start, start + placeHolder.length() - 1);
    }

    return layout;
}

/**
 * Adds style information to the given text presentation.
 * @param presentation
 *            the text presentation to be extended
 * @param offset
 *            the offset of the range to be styled
 * @param length
 *            the length of the range to be styled
 * @param textStyle
 *            the style of the range to be styled
 */
protected void addRange(TextPresentation presentation, int offset, int length, TextStyle textStyle) {
    if (textStyle != null) {

        if (textStyle.metrics != null && length >= 1) {
            for (int i = offset; i < offset + length; i++) {
                try {
                    StyleRange styleRange = new StyleRange(textStyle);
                    String placeHolder = fDocument.get(i, 1);
                    InnerTag innerTag = InnerTagUtil.getInnerTag(fViewer.getInnerTagCacheList(), placeHolder);
                    if (innerTag != null) {
                        Point rect = innerTag.computeSize(SWT.DEFAULT, SWT.DEFAULT);
                        // int ascent = 4 * rect.height / 5 + SEGMENT_LINE_SPACING / 2;
                        // int descent = rect.height - ascent + SEGMENT_LINE_SPACING;
                        styleRange.metrics = new GlyphMetrics(rect.y, 0, rect.x + SEGMENT_LINE_SPACING * 2);
                    }
                    styleRange.start = i;
                    styleRange.length = 1;
                    presentation.addStyleRange(styleRange);
                } catch (BadLocationException e) {
                    e.printStackTrace();
                }
            }
        } /*
         * else { StyleRange styleRange = new StyleRange(textStyle); styleRange.start = offset; styleRange.length =
         * length; presentation.addStyleRange(styleRange); }
         */
    }
}

private void addRange(List<StyleRange> ranges, int start, int length, Color foreground, boolean isCode) {
    StyleRange range = new StyleRange(start, length, foreground, null);
    AnsiConsoleAttributes.updateRangeStyle(range, lastAttributes);
    if (isCode) {
        range.metrics = new GlyphMetrics(0, 0, 0);
    }
    ranges.add(range);
    lastRangeEnd = lastRangeEnd + range.length;
}

private TextLayout getCellTextLayout(LayerCell cell) {
    int orientation = editor.getTable().getStyle() & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT);
    TextLayout layout = new TextLayout(editor.getTable().getDisplay());
    layout.setOrientation(orientation);
    layout.setSpacing(Constants.SEGMENT_LINE_SPACING);
    layout.setFont(font);
    layout.setAscent(ascent);
    layout.setDescent(descent); // 和 StyledTextEditor 同步
    layout.setTabs(new int[] { tabWidth });

    Rectangle rectangle = cell.getBounds();
    int width = rectangle.width - leftPadding - rightPadding;
    width -= 1;
    if (wrapText && width > 0) {
        layout.setWidth(width);
    }

    String displayText = InnerTagUtil.resolveTag(innerTagFactory.parseInnerTag((String) cell.getDataValue()));
    if (XliffEditorParameter.getInstance().isShowNonpirnttingCharacter()) {
        displayText = displayText.replaceAll("\\n", Constants.LINE_SEPARATOR_CHARACTER + "\n");
        displayText = displayText.replaceAll("\\t", Constants.TAB_CHARACTER + "");
        displayText = displayText.replaceAll(" ", Constants.SPACE_CHARACTER + "");
    }
    layout.setText(displayText);
    List<InnerTagBean> innerTagBeans = innerTagFactory.getInnerTagBeans();
    for (InnerTagBean innerTagBean : innerTagBeans) {
        String placeHolder = placeHolderBuilder.getPlaceHolder(innerTagBeans, innerTagBeans.indexOf(innerTagBean));
        int start = displayText.indexOf(placeHolder);
        if (start == -1) {
            continue;
        }
        TextStyle style = new TextStyle();
        Point rect = tagRender.calculateTagSize(innerTagBean);
        style.metrics = new GlyphMetrics(rect.y, 0, rect.x + SEGMENT_LINE_SPACING * 2);
        layout.setStyle(style, start, start + placeHolder.length() - 1);
    }

    return layout;
}

private void createUI_60_PaintingMethod(final Composite parent) {

        final Display display = parent.getDisplay();

        /*
         * checkbox: paint tour method
         */

        final Group groupMethod = new Group(parent, SWT.NONE);
        GridDataFactory.fillDefaults().applyTo(groupMethod);
        groupMethod.setText(Messages.Pref_MapLayout_Label_TourPaintMethod);
//      groupMethod.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
        {
            _editorTourPaintMethod = new RadioGroupFieldEditor(
                    ITourbookPreferences.MAP_LAYOUT_TOUR_PAINT_METHOD,
                    UI.EMPTY_STRING,
                    2,
                    new String[][] {
                            { Messages.Pref_MapLayout_Label_TourPaintMethod_Simple, TOUR_PAINT_METHOD_SIMPLE },
                            { Messages.Pref_MapLayout_Label_TourPaintMethod_Complex, TOUR_PAINT_METHOD_COMPLEX } },
                    groupMethod);

            addField(_editorTourPaintMethod);

            _pageBookPaintMethod = new PageBook(groupMethod, SWT.NONE);
            GridDataFactory.fillDefaults()//
                    .grab(true, false)
                    .span(2, 1)
                    .hint(350, SWT.DEFAULT)
                    .indent(16, 0)
                    .applyTo(_pageBookPaintMethod);

            // use a bulleted list to display this info
            final StyleRange style = new StyleRange();
            style.metrics = new GlyphMetrics(0, 0, 10);
            final Bullet bullet = new Bullet(style);

            /*
             * simple painting method
             */
            String infoText = Messages.Pref_MapLayout_Label_TourPaintMethod_Simple_Tooltip;
            int lineCount = Util.countCharacter(infoText, '\n');

            _pageSimple = new StyledText(_pageBookPaintMethod, SWT.READ_ONLY | SWT.WRAP | SWT.MULTI);
            GridDataFactory.fillDefaults().grab(true, false).applyTo(_pageSimple);
            _pageSimple.setText(infoText);
            _pageSimple.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
            _pageSimple.setLineBullet(0, lineCount + 1, bullet);
            _pageSimple.setLineWrapIndent(0, lineCount + 1, 10);

            /*
             * complex painting method
             */
            infoText = Messages.Pref_MapLayout_Label_TourPaintMethod_Complex_Tooltip;
            lineCount = Util.countCharacter(infoText, '\n');

            _pageComplex = new StyledText(_pageBookPaintMethod, SWT.READ_ONLY | SWT.WRAP | SWT.MULTI);
            GridDataFactory.fillDefaults().grab(true, false).applyTo(_pageComplex);
            _pageComplex.setText(infoText);
            _pageComplex.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
            _pageComplex.setLineBullet(0, lineCount + 1, bullet);
            _pageComplex.setLineWrapIndent(0, lineCount + 1, 10);
        }

        // set group margin after the fields are created
        GridLayoutFactory.swtDefaults().margins(0, 5).numColumns(2).applyTo(groupMethod);
    }

/**
 * Display text as a bulleted list
 * 
 * @param parent
 * @param bulletText
 * @param startLine
 *            Line where bullets should be started, 0 is the first line
 * @param spanHorizontal
 * @param horizontalHint
 * @param backgroundColor
 *            background color or <code>null</code> when color should not be set
 * @return Returns the bulleted list as styled text
 */
public static StyledText createBullets( final Composite parent,
                                        final String bulletText,
                                        final int startLine,
                                        final int spanHorizontal,
                                        final int horizontalHint,
                                        final Color backgroundColor) {

    StyledText styledText = null;

    try {

        final Composite container = new Composite(parent, SWT.NONE);
        GridDataFactory.fillDefaults()//
                .grab(true, false)
                .span(spanHorizontal, 1)
                .hint(horizontalHint, SWT.DEFAULT)
                .applyTo(container);
        GridLayoutFactory.fillDefaults()//
                .numColumns(1)
                .margins(5, 5)
                .applyTo(container);

        container.setBackground(backgroundColor == null ? //
                container.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND)
                : backgroundColor);
        {
            final StyleRange style = new StyleRange();
            style.metrics = new GlyphMetrics(0, 0, 10);

            final Bullet bullet = new Bullet(style);
            final int lineCount = Util.countCharacter(bulletText, '\n');

            styledText = new StyledText(container, SWT.READ_ONLY | SWT.WRAP | SWT.MULTI);
            GridDataFactory.fillDefaults().grab(true, false).applyTo(styledText);
            styledText.setText(bulletText);

            styledText.setLineBullet(startLine, lineCount, bullet);
            styledText.setLineWrapIndent(startLine, lineCount, 10);

            styledText.setBackground(backgroundColor == null ? //
                    container.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND)
                    : backgroundColor);
        }

    } catch (final Exception e) {
        // ignore exception when there are less lines as required
        StatusUtil.log(e);
    }

    return styledText;
}

private TextStyle createTextStyle() {
    TextStyle style = new TextStyle();
    style.metrics = new GlyphMetrics(0, 0, 0);
    return style;
}

private TextStyle createTextStyle() {
    TextStyle style = new TextStyle();
    style.metrics = new GlyphMetrics(0, 0, 0);
    return style;
}

private TextStyle createTextStyle() {
    TextStyle style = new TextStyle();
    style.metrics = new GlyphMetrics(0, 0, 0);
    return style;
}

/**
 * Convenience method, returns a default <code>StyleRange</code> with the
 * specified width that can be used to format line bullets.
 * 
 * @param inWidth
 *            int
 * @return StyleRange
 */
public static StyleRange getDefaultRange(final int inWidth) {
    final StyleRange outRange = new StyleRange();
    outRange.start = 0;
    outRange.length = 0;
    outRange.metrics = new GlyphMetrics(0, 0, inWidth);
    return outRange;
}