Class: XbelHandler

Inherits:
Qt::XmlDefaultHandler
  • Object
show all
Defined in:
ext/ruby/qtruby/examples/xml/saxbookmarks/xbelhandler.rb

Instance Method Summary collapse

Constructor Details

#initialize(treeWidget) ⇒ XbelHandler

Returns a new instance of XbelHandler.



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# File 'ext/ruby/qtruby/examples/xml/saxbookmarks/xbelhandler.rb', line 30

def initialize(treeWidget)
    super()
	@treeWidget = treeWidget
    @item = nil
    @metXbelTag = false
	@currentText = ""

    style = @treeWidget.style()

	@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))
end

Instance Method Details

#characters(str) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/xml/saxbookmarks/xbelhandler.rb', line 97

def characters(str)
    @currentText += str
    return true
end

#createChildItem(tagName) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/xml/saxbookmarks/xbelhandler.rb', line 113

def createChildItem(tagName)
    if !@item.nil?
        childItem = Qt::TreeWidgetItem.new(@item, Qt::TreeWidgetItem::Type)
    else
        childItem = Qt::TreeWidgetItem.new(@treeWidget)
    end
    childItem.setData(0, Qt::UserRole, Qt::Variant.new(tagName))
    return childItem
end

#endElement(namespaceURI, localName, qName) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/xml/saxbookmarks/xbelhandler.rb', line 85

def endElement(namespaceURI, localName, qName)
    if qName == "title"
        if !@item.nil?
            @item.setText(0, @currentText)
		end
    elsif qName == "folder" || qName == "bookmark" ||
               qName == "separator"
        @item = @item.parent()
    end
    return true
end

#errorString ⇒ Object 



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# File 'ext/ruby/qtruby/examples/xml/saxbookmarks/xbelhandler.rb', line 109

def errorString()
    return @errorStr
end

#fatalError(exception) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/xml/saxbookmarks/xbelhandler.rb', line 102

def fatalError(exception)
    Qt::MessageBox.information(@treeWidget.window(), Qt::Object.tr("SAX Bookmarks"),
                             Qt::Object::tr("Parse error at line %s, column %s:\n%s" %
                             [exception.lineNumber, exception.columnNumber,exception.message]))
    return false
end

#startElement(namespaceURI, localName, qName, attributes) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/xml/saxbookmarks/xbelhandler.rb', line 48

def startElement(namespaceURI, localName, qName, attributes)
    if !@metXbelTag && qName != "xbel"
        @errorStr = Qt::Object.tr("The file is not an XBEL file.")
        return false
    end

    if qName == "xbel"
        version = attributes.value("version")
        if !version.empty? && version != "1.0"
            @errorStr = Qt::Object.tr("The file is not an XBEL version 1.0 file.")
            return false
        end
        @metXbelTag = true
    elsif qName == "folder"
        @item = createChildItem(qName)
        @item.flags = @item.flags | Qt::ItemIsEditable.to_i
        @item.setIcon(0, @folderIcon)
        @item.setText(0, Qt::Object.tr("Folder"))
        folded = (attributes.value("folded") != "no")
        @treeWidget.setItemExpanded(@item, !folded)
    elsif qName == "bookmark"
        @item = createChildItem(qName)
        @item.flags = @item.flags | Qt::ItemIsEditable.to_i
        @item.setIcon(0, @bookmarkIcon)
        @item.setText(0, Qt::Object.tr("Unknown title"))
        @item.setText(1, attributes.value("href"))
    elsif qName == "separator"
        @item = createChildItem(qName)
        @item.flags = @item.flags & ~Qt::ItemIsSelectable.to_i
#	        @item.setText(0, Qt::String(30, 0xB7))
        @item.setText(0, "..............................")
    end

	@currentText = ""
    return true
end