class DomModel

# File examples/itemviews/simpledommodel/dommodel.rb, line 30
def initialize(document, parent)
    super(parent)
    @domDocument = document
    @rootItem = DomItem.new(@domDocument, 0)
end

# File examples/itemviews/simpledommodel/dommodel.rb, line 36
def columnCount(parent = Qt::ModelIndex.new)
    return 3
end

# File examples/itemviews/simpledommodel/dommodel.rb, line 40
def data(index, role)
    if !index.valid?
        return Qt::Variant.new
    end

    if role != Qt::DisplayRole
        return Qt::Variant.new
    end

    item = index.internalPointer
    node = item.node
    attributes = []
    attributeMap = node.attributes

    case index.column
    when 0
        return Qt::Variant.new(node.nodeName)
    when 1
        for i in 0...attributeMap.length
            attribute = attributeMap.item(i)
            attributes << attribute.nodeName() + '="' + 
                            attribute.nodeValue() + '"'
        end
        return Qt::Variant.new(attributes.join(" "))
    when 2
        if node.nodeValue.nil?
            return Qt::Variant.new
        else
            return Qt::Variant.new(node.nodeValue().split("\n").join(" "))
        end
    else
        return Qt::Variant.new
    end
end

# File examples/itemviews/simpledommodel/dommodel.rb, line 75
def flags(index)
    if !index.valid?
        return Qt::ItemIsEnabled
    end

    return Qt::ItemIsEnabled | Qt::ItemIsSelectable
end

# File examples/itemviews/simpledommodel/dommodel.rb, line 83
def headerData(section, orientation, role = Qt::DisplayRole)
    if orientation == Qt::Horizontal && role == Qt::DisplayRole
        case section
        when 0
            return Qt::Variant.new(tr("Name"))
        when 1
            return Qt::Variant.new(tr("Attributes"))
        when 2
            return Qt::Variant.new(tr("Value"))
        else
            return Qt::Variant.new
        end
    end

    return Qt::Variant.new
end

# File examples/itemviews/simpledommodel/dommodel.rb, line 100
def index(row, column, parent = Qt::ModelIndex.new)
    if !parent.valid?
        parentItem = @rootItem
    else
        parentItem = parent.internalPointer()
    end

    childItem = parentItem.child(row)
    if ! childItem.nil?
        return createIndex(row, column, childItem)
    else
        return Qt::ModelIndex.new
    end
end

# File examples/itemviews/simpledommodel/dommodel.rb, line 115
def parent(child)
    if !child.valid?
        return Qt::ModelIndex.new
    end

    childItem = child.internalPointer()
    parentItem = childItem.parent()

    if parentItem.nil? || parentItem == @rootItem
        return Qt::ModelIndex.new
    end

    return createIndex(parentItem.row(), 0, parentItem)
end

# File examples/itemviews/simpledommodel/dommodel.rb, line 130
def rowCount(parent = Qt::ModelIndex.new)
    if !parent.valid?
        parentItem = @rootItem
    else
        parentItem = parent.internalPointer
    end

    return parentItem.node().childNodes().length
end