Example usage for com.google.gwt.dom.client TableElement getRows

Introduction

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

Prototype

public NodeList<TableRowElement> getRows() 

Source Link

Document

Returns a collection of all the rows in the table, including all in THEAD, TFOOT, all TBODY elements.

Usage

From source file:com.dom_distiller.client.TableClassifier.java

License:Open Source License

public static Type table(TableElement t) {
    sReason = Reason.UNKNOWN;//from   w  w  w  .  j  av  a  2s  .c o m

    // The following heuristics are dropped from said url:
    // - table created by CSS display style is layout table, because we only handle actual
    //   <table> elements.

    // 1) Table inside editable area is layout table, different from said url because we ignore
    //    editable areas during distillation.
    Element parent = t.getParentElement();
    while (parent != null) {
        if (parent.hasTagName("INPUT") || parent.getAttribute("contenteditable").equalsIgnoreCase("true")) {
            return logAndReturn(Reason.INSIDE_EDITABLE_AREA, "", Type.LAYOUT);
        }
        parent = parent.getParentElement();
    }

    // 2) Table having role="presentation" is layout table.
    String tableRole = t.getAttribute("role").toLowerCase();
    if (tableRole.equals("presentation")) {
        return logAndReturn(Reason.ROLE_TABLE, "_" + tableRole, Type.LAYOUT);
    }

    // 3) Table having ARIA table-related roles is data table.
    if (sARIATableRoles.contains(tableRole) || sARIARoles.contains(tableRole)) {
        return logAndReturn(Reason.ROLE_TABLE, "_" + tableRole, Type.DATA);
    }

    // 4) Table having ARIA table-related roles in its descendants is data table.
    // This may have deviated from said url if it only checks for <table> element but not its
    // descendants.
    List<Element> directDescendants = getDirectDescendants(t);
    for (Element e : directDescendants) {
        String role = e.getAttribute("role").toLowerCase();
        if (sARIATableDescendantRoles.contains(role) || sARIARoles.contains(role)) {
            return logAndReturn(Reason.ROLE_DESCENDANT, "_" + role, Type.DATA);
        }
    }

    // 5) Table having datatable="0" attribute is layout table.
    if (t.getAttribute("datatable").equals("0")) {
        return logAndReturn(Reason.DATATABLE_0, "", Type.LAYOUT);
    }

    // 6) Table having nested table(s) is layout table.
    // The order here and #7 (table having <=1 row/col is layout table) is different from said
    // url: the latter has these heuristics after #10 (table having "summary" attribute is
    // data table), but our eval sets indicate the need to bump these way up to here, because
    // many (old) pages have layout tables that are nested or with <TH>/<CAPTION>s but only 1
    // row or col.
    if (hasNestedTables(t))
        return logAndReturn(Reason.NESTED_TABLE, "", Type.LAYOUT);

    // 7) Table having only one row or column is layout table.
    // See comments for #6 about deviation from said url.
    NodeList<TableRowElement> rows = t.getRows();
    if (rows.getLength() <= 1)
        return logAndReturn(Reason.LESS_EQ_1_ROW, "", Type.LAYOUT);
    NodeList<TableCellElement> cols = getMaxColsAmongRows(rows);
    if (cols == null || cols.getLength() <= 1) {
        return logAndReturn(Reason.LESS_EQ_1_COL, "", Type.LAYOUT);
    }

    // 8) Table having legitimate data table structures is data table:
    // a) table has <caption>, <thead>, <tfoot>, <colgroup>, <col>, or <th> elements
    Element caption = t.getCaption();
    if ((caption != null && hasValidText(caption)) || t.getTHead() != null || t.getTFoot() != null
            || hasOneOfElements(directDescendants, sHeaderTags)) {
        return logAndReturn(Reason.CAPTION_THEAD_TFOOT_COLGROUP_COL_TH, "", Type.DATA);
    }

    // Extract all <td> elements from direct descendants, for easier/faster multiple access.
    List<Element> directTDs = new ArrayList<Element>();
    for (Element e : directDescendants) {
        if (e.hasTagName("TD"))
            directTDs.add(e);
    }

    for (Element e : directTDs) {
        // b) table cell has abbr, headers, or scope attributes
        if (e.hasAttribute("abbr") || e.hasAttribute("headers") || e.hasAttribute("scope")) {
            return logAndReturn(Reason.ABBR_HEADERS_SCOPE, "", Type.DATA);
        }
        // c) table cell has <abbr> element as a single child element.
        NodeList<Element> children = e.getElementsByTagName("*");
        if (children.getLength() == 1 && children.getItem(0).hasTagName("ABBR")) {
            return logAndReturn(Reason.ONLY_HAS_ABBR, "", Type.DATA);
        }
    }

    // 9) Table occupying > 95% of document width without viewport meta is layout table;
    // viewport condition is not in said url, added here for typical mobile-optimized sites.
    // The order here is different from said url: the latter has it after #14 (>=20 rows is
    // data table), but our eval sets indicate the need to bump this way up to here, because
    // many (old) pages have layout tables with the "summary" attribute (#10).
    Element docElement = t.getOwnerDocument().getDocumentElement();
    int docWidth = docElement.getOffsetWidth();
    if (docWidth > 0 && (double) t.getOffsetWidth() > 0.95 * (double) docWidth) {
        boolean viewportFound = false;
        NodeList<Element> allMeta = docElement.getElementsByTagName("META");
        for (int i = 0; i < allMeta.getLength() && !viewportFound; i++) {
            MetaElement meta = MetaElement.as(allMeta.getItem(i));
            viewportFound = meta.getName().equalsIgnoreCase("viewport");
        }
        if (!viewportFound) {
            return logAndReturn(Reason.MORE_95_PERCENT_DOC_WIDTH, "", Type.LAYOUT);
        }
    }

    // 10) Table having summary attribute is data table.
    // This is different from said url: the latter lumps "summary" attribute with #8, but we
    // split it so as to insert #9 in between.  Many (old) pages have tables that are clearly
    // layout: their "summary" attributes say they're for layout.  They also occupy > 95% of
    // document width, so #9 coming before #10 will correctly classify them as layout.
    if (t.hasAttribute("summary"))
        return logAndReturn(Reason.SUMMARY, "", Type.DATA);

    // 11) Table having >=5 columns is data table.
    if (cols.getLength() >= 5)
        return logAndReturn(Reason.MORE_EQ_5_COLS, "", Type.DATA);

    // 12) Table having borders around cells is data table.
    for (Element e : directTDs) {
        String border = DomUtil.getComputedStyle(e).getBorderStyle();
        if (!border.isEmpty() && !border.equals("none") && !border.equals("hidden")) {
            return logAndReturn(Reason.CELLS_HAVE_BORDER, "_" + border, Type.DATA);
        }
    }

    // 13) Table having differently-colored rows is data table.
    String prevBackgroundColor = null;
    for (int i = 0; i < rows.getLength(); i++) {
        String color = DomUtil.getComputedStyle(rows.getItem(i)).getBackgroundColor();
        if (prevBackgroundColor == null) {
            prevBackgroundColor = color;
            continue;
        }
        if (!prevBackgroundColor.equalsIgnoreCase(color)) {
            return logAndReturn(Reason.DIFFERENTLY_COLORED_ROWS, "", Type.DATA);
        }
    }

    // 14) Table having >=20 rows is data table.
    if (rows.getLength() >= 20)
        return logAndReturn(Reason.MORE_EQ_20_ROWS, "", Type.DATA);

    // 15) Table having <=10 cells is layout table.
    if (directTDs.size() <= 10)
        return logAndReturn(Reason.LESS_EQ_10_CELLS, "", Type.LAYOUT);

    // 16) Table containing <embed>, <object>, <applet> or <iframe> elements (typical
    //     advertisement elements) is layout table.
    if (hasOneOfElements(directDescendants, sObjectTags)) {
        return logAndReturn(Reason.EMBED_OBJECT_APPLET_IFRAME, "", Type.LAYOUT);
    }

    // 17) Table occupying > 90% of document height is layout table.
    // This is not in said url, added here because many (old) pages have tables that don't fall
    // into any of the above heuristics but are for layout, and hence shouldn't default to data
    // by #18.
    int docHeight = docElement.getOffsetHeight();
    if (docHeight > 0 && (double) t.getOffsetHeight() > 0.9 * (double) docHeight) {
        return logAndReturn(Reason.MORE_90_PERCENT_DOC_HEIGHT, "", Type.LAYOUT);
    }

    // 18) Otherwise, it's data table.
    return logAndReturn(Reason.DEFAULT, "", Type.DATA);
}

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From source file:com.google.speedtracer.client.SourceViewer.java

License:Apache License

/**
 * Getter for the <code>tr</code> element wrapping the line of code.
 * /*from  w  w  w  .j  a  va2  s  .c  om*/
 * @param lineNumber the 1 based index for the row.
 * @return the {@link TableRowElement} wrapping the line of code.
 */
TableRowElement getTableRowElement(int lineNumber) {
    NodeList<TableElement> tables = sourceFrame.getContentDocument().getElementsByTagName("table").cast();
    TableElement sourceTable = tables.getItem(0);

    assert (lineNumber > 0);
    assert (sourceTable != null) : "No table loaded in source frame.";

    return sourceTable.getRows().getItem(lineNumber - 1);
}

---

From source file:org.rstudio.core.client.files.filedialog.DirectoryContentsWidget.java

License:Open Source License

public void addDirectory(FileSystemItem directory) {
    int rowNum = addItem(directory, null, null);

    TableElement table = (TableElement) table_.getElement().cast();
    TableRowElement row = table.getRows().getItem(rowNum);
    row.scrollIntoView();//from w ww.ja v a 2  s.c o m
    scrollPanel_.setHorizontalScrollPosition(0);
    setSelectedRow(rowNum);
}

---

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;//  ww  w  .  java 2 s  .c  o  m
    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;//from w w  w  .j a v a  2  s . c  om
        } 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;
    }/* w  w w. j  av a  2  s . c o  m*/
    return logicalOffset;
}

---

From source file:org.rstudio.studio.client.workbench.views.help.model.HelpInfo.java

License:Open Source License

private void parseArguments(HashMap<String, String> args, Element heading) {
    Element table = (Element) DomUtils.findNode(heading, true, true, new NodePredicate() {
        public boolean test(Node n) {
            if (n.getNodeType() != Node.ELEMENT_NODE)
                return false;

            Element el = (Element) n;

            return el.getTagName().toUpperCase().equals("TABLE")
                    && "R argblock".equals(el.getAttribute("summary"));
        }//from w  w  w .java2  s .c  om
    });

    if (table == null) {
        assert false : "Unexpected help format, no argblock table found";
        return;
    }

    TableElement t = (TableElement) table;
    NodeList<TableRowElement> rows = t.getRows();
    for (int i = 0; i < rows.getLength(); i++) {
        TableRowElement row = rows.getItem(i);
        NodeList<TableCellElement> cells = row.getCells();

        TableCellElement argNameCell = cells.getItem(0);
        TableCellElement argValueCell = cells.getItem(1);

        String argNameText = argNameCell.getInnerText();
        String argValueHtml = argValueCell.getInnerHTML();

        // argNameCell may be multiple comma-delimited arguments;
        // split them up if necessary (duplicate the help across args)
        String[] argNameTextSplat = argNameText.split("\\s*,\\s*");
        for (int j = 0; j < argNameTextSplat.length; j++)
            args.put(argNameTextSplat[j], argValueHtml);

    }
}

---

From source file:org.rstudio.studio.client.workbench.views.workspace.table.FlexTableEx.java

License:Open Source License

public TableRowElement getRowElement(int row) {
    TableElement table = getElement().cast();
    return table.getRows().getItem(row);
}

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From source file:org.xwiki.gwt.dom.client.TableRowElement.java

License:Open Source License

/**
 * @return The next row inside the same table. If this is the last row then it returns null.
 *///from w  w w .  ja v a 2 s.c  om
public TableRowElement getNextRow() {
    TableElement table = getOwnerTable();
    if (getRowIndex() < table.getRows().getLength() - 1) {
        return (TableRowElement) table.getRows().getItem(getRowIndex() + 1);
    } else {
        return null;
    }
}

---

From source file:org.xwiki.gwt.dom.client.TableRowElement.java

License:Open Source License

/**
 * @return The previous row inside the same table. If this is the first row then it returns null.
 */// w w w.  j a  v a 2s  .c om
public TableRowElement getPreviousRow() {
    TableElement table = getOwnerTable();
    if (getRowIndex() > 0) {
        return (TableRowElement) table.getRows().getItem(getRowIndex() - 1);
    } else {
        return null;
    }
}

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