class XbelTree

# File examples/xml/dombookmarks/xbeltree.rb, line 34
def initialize(parent = nil)
    super(parent)
    labels = []
    labels << tr("Title") << tr("Location")

    header().resizeMode = Qt::HeaderView::Stretch
    setHeaderLabels(labels)

        @folderIcon = Qt::Icon.new
    @folderIcon.addPixmap(style().standardPixmap(Qt::Style::SP_DirClosedIcon),
                         Qt::Icon::Normal, Qt::Icon::Off)
    @folderIcon.addPixmap(style().standardPixmap(Qt::Style::SP_DirOpenIcon),
                         Qt::Icon::Normal, Qt::Icon::On)
        @bookmarkIcon = Qt::Icon.new
    @bookmarkIcon.addPixmap(style().standardPixmap(Qt::Style::SP_FileIcon))

        @domElementForItem = {}
        @domDocument = Qt::DomDocument.new
end

# File examples/xml/dombookmarks/xbeltree.rb, line 163
def createItem(element, parentItem)
    if !parentItem.nil?
        item = Qt::TreeWidgetItem.new(parentItem, Qt::TreeWidgetItem::Type)
    else
        item = Qt::TreeWidgetItem.new(self)
    end
    @domElementForItem[item] = element
    return item
end

# File examples/xml/dombookmarks/xbeltree.rb, line 122
        def parseFolderElement(element, parentItem = nil)
            item = createItem(element, parentItem)
        
            title = element.firstChildElement("title").text()
            if title.nil?
                title = Qt::Object.tr("Folder")
                end
        
            item.flags = item.flags | Qt::ItemIsEditable.to_i
            item.setIcon(0, @folderIcon)
            item.setText(0, title)
        
            folded = (element.attribute("folded") != "no")
            setItemExpanded(item, !folded)
        
            child = element.firstChildElement()
            while !child.null?
                if child.tagName() == "folder"
                    parseFolderElement(child, item)
                elsif child.tagName() == "bookmark"
                    childItem = createItem(child, item)
        
                    title = child.firstChildElement("title").text()
                    if title.empty?
                        title = Qt::Object.tr("Folder")
                                end
        
                    childItem.flags = item.flags | Qt::ItemIsEditable.to_i
                    childItem.setIcon(0, @bookmarkIcon)
                    childItem.setText(0, title)
                    childItem.setText(1, child.attribute("href"))
                elsif child.tagName() == "separator"
                    childItem = createItem(child, item)
                    childItem.flags = item.flags & ~(Qt::ItemIsSelectable.to_i | Qt::ItemIsEditable.to_i)
#                   childItem.setText(0, Qt::String(30, 0xB7))
                    childItem.setText(0, "..............................")
                end
                child = child.nextSiblingElement()
            end
        end

# File examples/xml/dombookmarks/xbeltree.rb, line 54
def read(device)
    errorStr = ""
    errorLine = Qt::Integer.new
    errorColumn = Qt::Integer.new

    if !@domDocument.setContent(device, true, errorStr, errorLine,
                                errorColumn)
        Qt::MessageBox.information(window(), tr("DOM Bookmarks"),
                                 tr("Parse error at line %d, column %d:\n%s" %
                                 [errorLine, errorColumn, errorStr]))
        return false
    end

    root = @domDocument.documentElement()
    if root.tagName() != "xbel"
        Qt::MessageBox.information(window(), tr("DOM Bookmarks"),
                                 tr("The file is not an XBEL file."))
        return false
    elsif root.hasAttribute("version") &&
               root.attribute("version") != "1.0"
        Qt::MessageBox.information(window(), tr("DOM Bookmarks"),
                                 tr("The file is not an XBEL version 1.0 " \
                                    "file."))
        return false
    end

    clear()

    disconnect(self, SIGNAL('itemChanged(QTreeWidgetItem *, int)'),
               self, SLOT('updateDomElement(QTreeWidgetItem *, int)'))

    child = root.firstChildElement("folder")
    while !child.null?
        parseFolderElement(child)
        child = child.nextSiblingElement("folder")
    end

    connect(self, SIGNAL('itemChanged(QTreeWidgetItem *, int)'),
            self, SLOT('updateDomElement(QTreeWidgetItem *, int)'))

    return true
end

# File examples/xml/dombookmarks/xbeltree.rb, line 103
def updateDomElement(item, column)
    element = @domElementForItem[item]
    if !element.nil?
        if column == 0
            oldTitleElement = element.firstChildElement("title")
            newTitleElement = @domDocument.createElement("title")

            newTitleText = @domDocument.createTextNode(item.text(0))
            newTitleElement.appendChild(newTitleText)

            element.replaceChild(newTitleElement, oldTitleElement)
        else
            if element.tagName == "bookmark"
                element.setAttribute("href", item.text(1))
                        end
        end
    end
end

# File examples/xml/dombookmarks/xbeltree.rb, line 97
def write(device)
    outf = Qt::TextStream.new(device)
    @domDocument.save(outf, IndentSize)
    return true
end