C++ HTMLTableCellElement类代码示例

static v8::Handle<v8::Value> noWrapAttrGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.HTMLTableCellElement.noWrap._get");
    HTMLTableCellElement* imp = V8HTMLTableCellElement::toNative(info.Holder());
    if (!R_check(imp)) return v8::Handle<v8::Value>(v8::Undefined());
    return v8Boolean(imp->hasAttribute(WebCore::HTMLNames::nowrapAttr));
}

String Frame::searchForLabelsAboveCell(RegularExpression* regExp, HTMLTableCellElement* cell, size_t* resultDistanceFromStartOfCell)
{
    HTMLTableCellElement* aboveCell = cell->cellAbove();
    if (aboveCell) {
        // search within the above cell we found for a match
        size_t lengthSearched = 0;    
        for (Node* n = aboveCell->firstChild(); n; n = n->traverseNextNode(aboveCell)) {
            if (n->isTextNode() && n->renderer() && n->renderer()->style()->visibility() == VISIBLE) {
                // For each text chunk, run the regexp
                String nodeString = n->nodeValue();
                int pos = regExp->searchRev(nodeString);
                if (pos >= 0) {
                    if (resultDistanceFromStartOfCell)
                        *resultDistanceFromStartOfCell = lengthSearched;
                    return nodeString.substring(pos, regExp->matchedLength());
                }
                lengthSearched += nodeString.length();
            }
        }
    }

    // Any reason in practice to search all cells in that are above cell?
    if (resultDistanceFromStartOfCell)
        *resultDistanceFromStartOfCell = notFound;
    return String();
}

static v8::Handle<v8::Value> cellIndexAttrGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.HTMLTableCellElement.cellIndex._get");
    HTMLTableCellElement* imp = V8HTMLTableCellElement::toNative(info.Holder());
    if (!R_check(imp)) return v8::Handle<v8::Value>(v8::Undefined());
    return v8::Integer::New(imp->cellIndex());
}

JSValue jsHTMLTableCellElementWidth(ExecState* exec, const Identifier&, const PropertySlot& slot)
{
    JSHTMLTableCellElement* castedThis = static_cast<JSHTMLTableCellElement*>(asObject(slot.slotBase()));
    UNUSED_PARAM(exec);
    HTMLTableCellElement* imp = static_cast<HTMLTableCellElement*>(castedThis->impl());
    return jsString(exec, imp->width());
}

static void rowSpanAttrSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.HTMLTableCellElement.rowSpan._set");
    HTMLTableCellElement* imp = V8HTMLTableCellElement::toNative(info.Holder());
    int v = toInt32(value);
    imp->setRowSpan(v);
    return;
}

static void noWrapAttrSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.HTMLTableCellElement.noWrap._set");
    HTMLTableCellElement* imp = V8HTMLTableCellElement::toNative(info.Holder());
    bool v = value->BooleanValue();
    imp->setBooleanAttribute(WebCore::HTMLNames::nowrapAttr, v);
    return;
}

JSValue jsHTMLTableCellElementVAlign(ExecState* exec, JSValue slotBase, const Identifier&)
{
    JSHTMLTableCellElement* castedThis = static_cast<JSHTMLTableCellElement*>(asObject(slotBase));
    UNUSED_PARAM(exec);
    HTMLTableCellElement* imp = static_cast<HTMLTableCellElement*>(castedThis->impl());
    JSValue result = jsString(exec, imp->getAttribute(WebCore::HTMLNames::valignAttr));
    return result;
}

JSValue jsHTMLTableCellElementWidth(ExecState* exec, JSValue slotBase, const Identifier&)
{
    JSHTMLTableCellElement* castedThis = static_cast<JSHTMLTableCellElement*>(asObject(slotBase));
    UNUSED_PARAM(exec);
    HTMLTableCellElement* imp = static_cast<HTMLTableCellElement*>(castedThis->impl());
    JSValue result = jsString(exec, imp->width());
    return result;
}

JSValue jsHTMLTableCellElementNoWrap(ExecState* exec, JSValue slotBase, const Identifier&)
{
    JSHTMLTableCellElement* castedThis = static_cast<JSHTMLTableCellElement*>(asObject(slotBase));
    UNUSED_PARAM(exec);
    HTMLTableCellElement* imp = static_cast<HTMLTableCellElement*>(castedThis->impl());
    JSValue result = jsBoolean(imp->noWrap());
    return result;
}

void RenderTableCell::updateFromElement()
{
    Node* n = node();
    if (n && (n->hasTagName(tdTag) || n->hasTagName(thTag))) {
        HTMLTableCellElement* tc = static_cast<HTMLTableCellElement*>(n);
        int oldRSpan = m_rowSpan;
        int oldCSpan = m_columnSpan;

        m_columnSpan = tc->colSpan();
        m_rowSpan = tc->rowSpan();
        if ((oldRSpan != m_rowSpan || oldCSpan != m_columnSpan) && style() && parent()) {
            setNeedsLayoutAndPrefWidthsRecalc();
            if (section())
                section()->setNeedsCellRecalc();
        }
    }
}

//.........这里部分代码省略.........
    
    Color alternatingRowColors[5];
    int alternatingRowColorCount = 0;
    
    int headersInFirstColumnCount = 0;
    for (int row = 0; row < numRows; ++row) {
    
        int headersInFirstRowCount = 0;
        for (int col = 0; col < numCols; ++col) {    
            RenderTableCell* cell = firstBody->primaryCellAt(row, col);
            if (!cell)
                continue;

            Element* cellElement = cell->element();
            if (!cellElement)
                continue;
            
            if (cell->width() < 1 || cell->height() < 1)
                continue;
            
            validCellCount++;
            
            bool isTHCell = cellElement->hasTagName(thTag);
            // If the first row is comprised of all <th> tags, assume it is a data table.
            if (!row && isTHCell)
                headersInFirstRowCount++;

            // If the first column is comprised of all <th> tags, assume it is a data table.
            if (!col && isTHCell)
                headersInFirstColumnCount++;
            
            // In this case, the developer explicitly assigned a "data" table attribute.
            if (cellElement->hasTagName(tdTag) || cellElement->hasTagName(thTag)) {
                HTMLTableCellElement* tableCellElement = toHTMLTableCellElement(cellElement);
                if (!tableCellElement->headers().isEmpty() || !tableCellElement->abbr().isEmpty()
                    || !tableCellElement->axis().isEmpty() || !tableCellElement->scope().isEmpty())
                    return true;
            }
            const RenderStyle& renderStyle = cell->style();

            // If the empty-cells style is set, we'll call it a data table.
            if (renderStyle.emptyCells() == HIDE)
                return true;

            // If a cell has matching bordered sides, call it a (fully) bordered cell.
            if ((cell->borderTop() > 0 && cell->borderBottom() > 0)
                || (cell->borderLeft() > 0 && cell->borderRight() > 0))
                borderedCellCount++;

            // Also keep track of each individual border, so we can catch tables where most
            // cells have a bottom border, for example.
            if (cell->borderTop() > 0)
                cellsWithTopBorder++;
            if (cell->borderBottom() > 0)
                cellsWithBottomBorder++;
            if (cell->borderLeft() > 0)
                cellsWithLeftBorder++;
            if (cell->borderRight() > 0)
                cellsWithRightBorder++;
            
            // If the cell has a different color from the table and there is cell spacing,
            // then it is probably a data table cell (spacing and colors take the place of borders).
            Color cellColor = renderStyle.visitedDependentColor(CSSPropertyBackgroundColor);
            if (table->hBorderSpacing() > 0 && table->vBorderSpacing() > 0
                && tableBGColor != cellColor && cellColor.alpha() != 1)
                backgroundDifferenceCellCount++;

void setJSHTMLTableCellElementWidth(ExecState* exec, JSObject* thisObject, JSValue value)
{
    JSHTMLTableCellElement* castedThis = static_cast<JSHTMLTableCellElement*>(thisObject);
    HTMLTableCellElement* imp = static_cast<HTMLTableCellElement*>(castedThis->impl());
    imp->setAttribute(WebCore::HTMLNames::widthAttr, valueToStringWithNullCheck(exec, value));
}

void setJSHTMLTableCellElementWidth(ExecState* exec, JSObject* thisObject, JSValue value)
{
    JSHTMLTableCellElement* castedThisObj = static_cast<JSHTMLTableCellElement*>(thisObject);
    HTMLTableCellElement* imp = static_cast<HTMLTableCellElement*>(castedThisObj->impl());
    imp->setWidth(valueToStringWithNullCheck(exec, value));
}

void setJSHTMLTableCellElementRowSpan(ExecState* exec, JSObject* thisObject, JSValue value)
{
    JSHTMLTableCellElement* castedThisObj = static_cast<JSHTMLTableCellElement*>(thisObject);
    HTMLTableCellElement* imp = static_cast<HTMLTableCellElement*>(castedThisObj->impl());
    imp->setRowSpan(value.toInt32(exec));
}

void setJSHTMLTableCellElementNoWrap(ExecState* exec, JSObject* thisObject, JSValue value)
{
    JSHTMLTableCellElement* castedThisObj = static_cast<JSHTMLTableCellElement*>(thisObject);
    HTMLTableCellElement* imp = static_cast<HTMLTableCellElement*>(castedThisObj->impl());
    imp->setNoWrap(value.toBoolean(exec));
}