Examples of org.fxmisc.richtext.TwoDimensional.Position

Package org.fxmisc.richtext.TwoDimensional

Examples of org.fxmisc.richtext.TwoDimensional.Position

org.fxmisc.richtext.TwoDimensional.Position

            area.replaceText(start, end, "");
        }
    }


    private void downLines(SelectionPolicy selectionPolicy, int nLines) {
        Position currentLine = visual.currentLine();
        Position targetLine = currentLine.offsetBy(nLines, Forward).clamp();
        if(!currentLine.sameAs(targetLine)) {
            // compute new caret position
            int newCaretPos = visual.getInsertionIndex(getTargetCaretOffset(), targetLine);


            // update model

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        return new Paragraph<>(segments, terminator);
    }


    @Override
    public char charAt(int index) {
        Position pos = navigator.offsetToPosition(index, Forward);
        return segments.get(pos.getMajor()).charAt(pos.getMinor());
    }

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    public Paragraph<S> insert(int offset, CharSequence str) {
        if(offset < 0 || offset > length())
            throw new IndexOutOfBoundsException(String.valueOf(offset));


        Position pos = navigator.offsetToPosition(offset, Backward);
        int segIdx = pos.getMajor();
        int segPos = pos.getMinor();
        StyledText<S> seg = segments.get(segIdx);
        StyledText<S> replacement = seg.spliced(segPos, segPos, str);
        List<StyledText<S>> segs = new ArrayList<>(segments);
        segs.set(segIdx, replacement);
        return new Paragraph<S>(segs, terminator);

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            LineTerminator newTerminator = terminator.get().trim(length - length());
            return new Paragraph<>(segments, newTerminator);
        } else if(length == length()) { // cut off the line terminator
            return new Paragraph<>(segments, Optional.empty());
        } else { // length < length()
            Position pos = navigator.offsetToPosition(length, Backward);
            int segIdx = pos.getMajor();
            List<StyledText<S>> segs = new ArrayList<>(segIdx + 1);
            segs.addAll(segments.subList(0, segIdx));
            segs.add(segments.get(segIdx).subSequence(0, pos.getMinor()));
            return new Paragraph<S>(segs, Optional.empty());
        }
    }

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        if(start < 0) {
            throw new IllegalArgumentException("start must not be negative (was: " + start + ")");
        } else if(start == 0) {
            return this;
        } else if(start < length()) {
            Position pos = navigator.offsetToPosition(start, Forward);
            int segIdx = pos.getMajor();
            List<StyledText<S>> segs = new ArrayList<>(segments.size() - segIdx);
            segs.add(segments.get(segIdx).subSequence(pos.getMinor()));
            segs.addAll(segments.subList(segIdx + 1, segments.size()));
            return new Paragraph<S>(segs, terminator);
        } else if(start < fullLength()) {
            LineTerminator newTerminator = terminator.get().subSequence(start - length());
            S lastStyle = segments.get(segments.size() - 1).getStyle();

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    public S getStyleOfChar(int charIdx) {
        if(charIdx < 0) {
            return segments.get(0).getStyle();
        }


        Position pos = navigator.offsetToPosition(charIdx, Forward);
        return segments.get(pos.getMajor()).getStyle();
    }

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    public S getStyleAtPosition(int position) {
        if(position < 0) {
            throw new IllegalArgumentException("Paragraph position cannot be negative (" + position + ")");
        }


        Position pos = navigator.offsetToPosition(position, Backward);
        return segments.get(pos.getMajor()).getStyle();
    }

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     * Returns the range of homogeneous style that includes the given position.
     * If {@code position} points to a boundary between two styled ranges,
     * then the range preceding {@code position} is returned.
     */
    public IndexRange getStyleRangeAtPosition(int position) {
        Position pos = navigator.offsetToPosition(position, Backward);
        int start = position - pos.getMinor();
        int end = start + segments.get(pos.getMajor()).length();
        return new IndexRange(start, end);
    }

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        }
        return builder.create();
    }


    public StyleSpans<S> getStyleSpans(int from, int to) {
        Position start = navigator.offsetToPosition(from, Forward);
        Position end = to == from
                ? start
                : start.offsetBy(to - from, Backward);
        int startSegIdx = start.getMajor();
        int endSegIdx = end.getMajor();


        int n = endSegIdx - startSegIdx + 1;
        StyleSpansBuilder<S> builder = new StyleSpansBuilder<>(n);


        if(startSegIdx == endSegIdx) {
            StyledText<S> seg = segments.get(startSegIdx);
            builder.add(seg.getStyle(), to - from);
        } else {
            StyledText<S> startSeg = segments.get(startSegIdx);
            builder.add(startSeg.getStyle(), startSeg.length() - start.getMinor());


            for(int i = startSegIdx + 1; i < endSegIdx; ++i) {
                StyledText<S> seg = segments.get(i);
                builder.add(seg.getStyle(), seg.length());
            }


            StyledText<S> endSeg = segments.get(endSegIdx);
            builder.add(endSeg.getStyle(), end.getMinor());
        }


        return builder.create();
    }

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    // navigator with 5 elements, each of length 10
    private final TwoLevelNavigator navigator = new TwoLevelNavigator(() -> 5, i -> 10);


    @Test
    public void testPositiveOffsetWithBackwardBias() {
        Position pos = navigator.offsetToPosition(10, Backward);
        assertEquals(0, pos.getMajor());
        assertEquals(10, pos.getMinor());
    }

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Related Classes of org.fxmisc.richtext.TwoDimensional.Position

org.fxmisc.richtext.Paragraph

org.fxmisc.richtext.skin.StyledTextAreaBehavior

org.fxmisc.richtext.TwoLevelNavigatorTest

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