Example usage for com.google.gwt.dom.client NodeList getLength

List of usage examples for com.google.gwt.dom.client NodeList getLength

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Introduction

In this page you can find the example usage for com.google.gwt.dom.client NodeList getLength.

Prototype

public int getLength()

Source Link

Usage

From source file:org.rstudio.core.client.dom.DomUtils.java

License:Open Source License

private static int countLinesInternal(Element elementNode, boolean pre) {
    if (elementNode.getTagName().equalsIgnoreCase("br"))
        return 1;

    int result = 0;
    NodeList<Node> children = elementNode.getChildNodes();
    for (int i = 0; i < children.getLength(); i++)
        result += countLines(children.getItem(i), pre);
    return result;
}

From source file:org.rstudio.core.client.dom.impl.NodeRelativePosition.java

License:Open Source License

private static boolean toOffsetHelper(Node here, NodeRelativePosition target, int[] counter) {
    if (target.node.equals(here)) {
        switch (here.getNodeType()) {
        case Node.TEXT_NODE:
            counter[0] += target.offset;
            return true;
        case Node.ELEMENT_NODE:
            NodeList<Node> children = here.getChildNodes();
            for (int i = 0; i < target.offset; i++)
                toOffsetHelper(children.getItem(i), target, counter);
            return true;
        default:/*  w ww  . j a  v a2 s. c o m*/
            Debug.log("Unexpected node type for selection offset: " + here.getNodeType());
            return false;
        }
    } else {
        if (here.getNodeType() == Node.TEXT_NODE) {
            counter[0] += ((Text) here).getLength();
            return false;
        } else if (here.getNodeType() == Node.ELEMENT_NODE) {
            Element el = (Element) here;
            String tag = el.getTagName().toLowerCase();
            if (tag.equals("br")) {
                counter[0] += 1;
                return false;
            }
            if (tag.equals("script") || tag.equals("style"))
                return false;

            // Otherwise continue to iteration code below
        }

        NodeList<Node> children = here.getChildNodes();
        for (int i = 0; i < children.getLength(); i++)
            if (toOffsetHelper(children.getItem(i), target, counter))
                return true;

        return false;
    }
}

From source file:org.rstudio.core.client.dom.impl.NodeRelativePosition.java

License:Open Source License

private static NodeRelativePosition toPositionHelper(Node here, int[] counter) {
    switch (here.getNodeType()) {
    case Node.TEXT_NODE:
        Text text = (Text) here;
        if (counter[0] <= text.getLength())
            return new NodeRelativePosition(here, counter[0]);
        counter[0] -= text.getLength();//from   www  .ja v  a2  s . c o m
        return null;
    case Node.ELEMENT_NODE:
        Element el = (Element) here;
        String tagName = el.getTagName().toLowerCase();
        if (tagName.equals("br")) {
            if (counter[0] <= 0)
                return new NodeRelativePosition(here, 0);
            counter[0] -= 1;
            return null;
        } else if (tagName.equals("script") || tagName.equals("style"))
            return null;
        break;
    }

    NodeList<Node> children = here.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        NodeRelativePosition result = toPositionHelper(children.getItem(i), counter);
        if (result != null)
            return result;
    }

    return null;
}

From source file:org.rstudio.core.client.widget.FastSelectTable.java

License:Open Source License

public void removeTopRows(int rowCount) {
    if (rowCount <= 0)
        return;//from  ww w. j  a  v  a  2s  . c  o  m

    NodeList<TableSectionElement> tBodies = table_.getTBodies();
    for (int i = 0; i < tBodies.getLength(); i++) {
        rowCount = removeTopRows(tBodies.getItem(i), rowCount);
        if (rowCount == 0)
            return;
    }
}

From source file:org.rstudio.core.client.widget.FastSelectTable.java

License:Open Source License

public boolean moveSelectionDown() {
    if (selectedRows_.size() == 0)
        return false;

    sortSelectedRows();/*from www. ja  v a2  s.  c  o m*/
    int bottom = selectedRows_.get(selectedRows_.size() - 1).getRowIndex();

    NodeList<TableRowElement> rows = table_.getRows();
    TableRowElement rowToSelect = null;
    while (++bottom < rows.getLength()) {
        TableRowElement row = rows.getItem(bottom);
        if (codec_.isValueRow(row)) {
            rowToSelect = row;
            break;
        }
    }
    if (rowToSelect == null)
        return false;

    clearSelection();
    setSelected(rowToSelect, true);
    return true;
}

From source file:org.rstudio.core.client.widget.HeaderBreaksItemCodec.java

License:Open Source License

public void onRowsChanged(TableSectionElement tbody) {
    if (!hasNonValueRows())
        return;//w w w.ja v a2  s. com

    TableRowElement lastRow = null;

    Node previousSibling = tbody.getPreviousSibling();
    if (previousSibling != null && previousSibling.getNodeType() == Node.ELEMENT_NODE
            && ((Element) previousSibling).getTagName().equalsIgnoreCase("tbody")) {
        TableSectionElement prevbody = (TableSectionElement) previousSibling;
        NodeList<TableRowElement> prevrows = prevbody.getRows();
        if (prevrows.getLength() > 0) {
            TableRowElement lastRowEl = prevrows.getItem(prevrows.getLength() - 1);
            if (isValueRow(lastRowEl)) {
                lastRow = lastRowEl;
            }
        }
    }

    int totalExtraRows = 0;
    final NodeList<TableRowElement> rows = tbody.getRows();
    for (int i = 0; i < rows.getLength(); i++) {
        TableRowElement row = rows.getItem(i);
        if (needsBreak(lastRow, row)) {
            int extraRows = addBreak(row);
            i += extraRows;
            totalExtraRows += extraRows;
        }

        lastRow = row;
    }

    tbody.setPropertyInt(EXTRA_ROWS, totalExtraRows);
}

From source file:org.rstudio.core.client.widget.HeaderBreaksItemCodec.java

License:Open Source License

public Integer logicalOffsetToPhysicalOffset(TableElement table, int offset) {
    if (!hasNonValueRows())
        return offset;

    NodeList<TableSectionElement> bodies = table.getTBodies();
    int skew = 0;
    int pos = 0;/*w w  w  .j ava2s . c om*/
    for (int i = 0; i < bodies.getLength(); i++) {
        TableSectionElement body = bodies.getItem(i);
        NodeList<TableRowElement> rows = body.getRows();
        int rowCount = rows.getLength();
        int extraRows = body.getPropertyInt(EXTRA_ROWS);
        int max = (pos - skew) + (rowCount - extraRows);
        if (max <= offset) {
            // It's safe to skip this whole tbody. These are not the
            // rows we're looking for.
            pos += rowCount;
            skew += extraRows;
        } else {
            NodeList<TableRowElement> allRows = table.getRows();
            for (; pos < allRows.getLength(); pos++) {
                TableRowElement row = allRows.getItem(pos);
                if (!isValueRow(row))
                    skew++;
                else if (offset == (pos - skew))
                    return pos;
            }
        }
    }

    if (pos - skew == offset)
        return pos;
    else
        return null;
}

From source file:org.rstudio.core.client.widget.HeaderBreaksItemCodec.java

License:Open Source License

public Integer physicalOffsetToLogicalOffset(TableElement table, int offset) {
    if (!hasNonValueRows())
        return offset;

    if (offset >= table.getRows().getLength())
        return null;

    NodeList<TableSectionElement> bodies = table.getTBodies();
    int logicalOffset = 0;
    for (int i = 0; offset > 0 && i < bodies.getLength(); i++) {
        TableSectionElement body = bodies.getItem(i);
        NodeList<TableRowElement> rows = body.getRows();
        int rowCount = rows.getLength();
        int extraRows = body.getPropertyInt(EXTRA_ROWS);
        if (rowCount < offset) {
            logicalOffset += rowCount - extraRows;
            offset -= rowCount;//w ww  .  ja va 2  s. com
        } else {
            // It's in here
            for (int j = 0; offset > 0 && j < rows.getLength(); j++) {
                offset--;
                if (isValueRow(rows.getItem(j)))
                    logicalOffset++;
            }
        }
    }

    return logicalOffset;
}

From source file:org.rstudio.core.client.widget.HeaderBreaksItemCodec.java

License:Open Source License

public int getLogicalRowCount(TableElement table) {
    if (!hasNonValueRows())
        return table.getRows().getLength();

    NodeList<TableSectionElement> bodies = table.getTBodies();
    int logicalOffset = 0;
    for (int i = 0; i < bodies.getLength(); i++) {
        TableSectionElement body = bodies.getItem(i);
        NodeList<TableRowElement> rows = body.getRows();
        int rowCount = rows.getLength();
        int extraRows = body.getPropertyInt(EXTRA_ROWS);
        logicalOffset += rowCount - extraRows;
    }//from   www .  ja v a2  s. c  o m
    return logicalOffset;
}

From source file:org.rstudio.studio.client.application.ApplicationCsrfToken.java

License:Open Source License

public static String getCsrfToken() {
    NodeList<Element> metas = Document.get().getElementsByTagName("meta");
    for (int i = 0; i < metas.getLength(); i++) {
        Element meta = metas.getItem(i);
        if (StringUtil.equals(meta.getAttribute("name"), "csrf-token")) {
            return meta.getAttribute("content");
        }// w  w w.j  a  v  a 2 s  .c o  m
    }
    return "";
}