Esempio n. 1
0
void HTMLSelectElement::reset()
{
    bool optionSelected = false;
    HTMLOptionElement* firstOption = 0;
    const Vector<HTMLElement*>& items = listItems();
    unsigned i;
    for (i = 0; i < items.size(); i++) {
        if (items[i]->hasLocalName(optionTag)) {
            HTMLOptionElement *option = static_cast<HTMLOptionElement*>(items[i]);
            if (!option->getAttribute(selectedAttr).isNull()) {
                option->setSelectedState(true);
                optionSelected = true;
            } else
                option->setSelectedState(false);
            if (!firstOption)
                firstOption = option;
        }
    }
    if (!optionSelected && firstOption && usesMenuList())
        firstOption->setSelectedState(true);
    
    setChanged();
}
Esempio n. 2
0
void DeprecatedRenderSelect::updateFromElement()
{
    m_ignoreSelectEvents = true;

    // change widget type
    bool oldMultiple = m_multiple;
    m_multiple = static_cast<HTMLSelectElement*>(node())->multiple();

    if (oldMultiple != m_multiple) {
        static_cast<ListBox*>(m_widget)->setSelectionMode(m_multiple ? ListBox::Extended : ListBox::Single);
        m_selectionChanged = true;
        m_optionsChanged = true;
    }

    // update contents listbox/combobox based on options in m_element
    if (m_optionsChanged) {
        static_cast<HTMLSelectElement*>(node())->recalcListItems();
        const Vector<HTMLElement*>& listItems = static_cast<HTMLSelectElement*>(node())->listItems();
        int listIndex;

        static_cast<ListBox*>(m_widget)->clear();
        
        bool groupEnabled = true;
        for (listIndex = 0; listIndex < int(listItems.size()); listIndex++) {
            if (listItems[listIndex]->hasTagName(optgroupTag)) {
                HTMLOptGroupElement* optgroupElement = static_cast<HTMLOptGroupElement*>(listItems[listIndex]);
                DeprecatedString label = optgroupElement->getAttribute(labelAttr).deprecatedString();
                label.replace('\\', backslashAsCurrencySymbol());
                
                // In WinIE, an optgroup can't start or end with whitespace (other than the indent
                // we give it).  We match this behavior.
                label = label.stripWhiteSpace();
                // We want to collapse our whitespace too.  This will match other browsers.
                label = label.simplifyWhiteSpace();

                groupEnabled = optgroupElement->isEnabled();
                
                static_cast<ListBox*>(m_widget)->appendGroupLabel(label, groupEnabled);

            } else if (listItems[listIndex]->hasTagName(optionTag)) {
                HTMLOptionElement* optionElement = static_cast<HTMLOptionElement*>(listItems[listIndex]);
                DeprecatedString itemText = optionElement->text().deprecatedString();
                if (itemText.isEmpty())
                    itemText = optionElement->getAttribute(labelAttr).deprecatedString();
                
                itemText.replace('\\', backslashAsCurrencySymbol());

                // In WinIE, leading and trailing whitespace is ignored in options. We match this behavior.
                itemText = itemText.stripWhiteSpace();
                // We want to collapse our whitespace too.  This will match other browsers.
                itemText = itemText.simplifyWhiteSpace();
                
                if (listItems[listIndex]->parentNode()->hasTagName(optgroupTag))
                    itemText.prepend("    ");

                static_cast<ListBox*>(m_widget)->appendItem(itemText, groupEnabled && optionElement->isEnabled());
            } else
                ASSERT(false);
            m_selectionChanged = true;
        }
        static_cast<ListBox*>(m_widget)->doneAppendingItems();
        setNeedsLayoutAndMinMaxRecalc();
        m_optionsChanged = false;
    }

    // update selection
    if (m_selectionChanged)
        updateSelection();

    m_ignoreSelectEvents = false;

    RenderFormElement::updateFromElement();
}