示例#1
0
class PanelLightExample(VerticalLayout, IClickListener):

    def __init__(self):
        super(PanelLightExample, self).__init__()

        self.setSpacing(True)
        self.setSpacing(True)

        # Panel 1 - with caption
        self._panel = Panel('This is a light Panel')
        self._panel.setStyleName(Reindeer.PANEL_LIGHT)
        self._panel.setHeight('200px')  # we want scrollbars
        # let's adjust the panels default layout (a VerticalLayout)
        layout = self._panel.getContent()
        layout.setMargin(True)  # we want a margin
        layout.setSpacing(True)
        # and spacing between components
        self.addComponent(self._panel)

        # Let's add a few rows to provoke scrollbars:
        for _ in range(20):
            l = Label('The quick brown fox jumps over the lazy dog.')
            self._panel.addComponent(l)

        # Caption toggle:
        b = Button('Toggle caption')
        b.addListener(self, IClickListener)
        self.addComponent(b)


    def buttonClick(self, event):
        if self._panel.getCaption() is None:
            self._panel.setCaption('This is a light Panel')
        else:
            self._panel.setCaption(None)
示例#2
0
    def __init__(self):
        super(ApplicationLayoutWindow, self).__init__()

        # Our main layout is a horizontal layout
        main = HorizontalLayout()
        main.setSizeFull()
        self.setContent(main)

        # Tree to the left
        treePanel = Panel()  # for scrollbars
        treePanel.setStyleName(Reindeer.PANEL_LIGHT)
        treePanel.setHeight('100%')
        treePanel.setWidth(None)
        treePanel.getContent().setSizeUndefined()
        self.addComponent(treePanel)

        tree = Tree()
        tree.setContainerDataSource(ExampleUtil.getHardwareContainer())
        tree.setItemCaptionPropertyId(ExampleUtil.hw_PROPERTY_NAME)
        for idd in tree.rootItemIds():
            tree.expandItemsRecursively(idd)
        treePanel.addComponent(tree)

        # vertically divide the right area
        left = VerticalLayout()
        left.setSizeFull()
        self.addComponent(left)
        main.setExpandRatio(left, 1.0)  # use all available space

        # table on top
        tbl = Table()
        tbl.setWidth('100%')
        tbl.setContainerDataSource(ExampleUtil.getISO3166Container())
        tbl.setSortDisabled(True)
        tbl.setPageLength(7)
        left.addComponent(tbl)

        # Label on bottom
        textPanel = Panel()  # for scrollbars
        textPanel.setStyleName(Reindeer.PANEL_LIGHT)
        textPanel.setSizeFull()
        left.addComponent(textPanel)
        left.setExpandRatio(textPanel, 1.0)  # use all available space

        text = Label(ExampleUtil.lorem, Label.CONTENT_XHTML)
        text.setWidth('500px')  # some limit is good for text
        textPanel.addComponent(text)
    def __init__(self):
        super(ApplicationLayoutWindow, self).__init__()

        # Our main layout is a horizontal layout
        main = HorizontalLayout()
        main.setSizeFull()
        self.setContent(main)

        # Tree to the left
        treePanel = Panel()  # for scrollbars
        treePanel.setStyleName(Reindeer.PANEL_LIGHT)
        treePanel.setHeight('100%')
        treePanel.setWidth(None)
        treePanel.getContent().setSizeUndefined()
        self.addComponent(treePanel)

        tree = Tree()
        tree.setContainerDataSource(ExampleUtil.getHardwareContainer())
        tree.setItemCaptionPropertyId(ExampleUtil.hw_PROPERTY_NAME)
        for idd in tree.rootItemIds():
            tree.expandItemsRecursively(idd)
        treePanel.addComponent(tree)

        # vertically divide the right area
        left = VerticalLayout()
        left.setSizeFull()
        self.addComponent(left)
        main.setExpandRatio(left, 1.0)  # use all available space

        # table on top
        tbl = Table()
        tbl.setWidth('100%')
        tbl.setContainerDataSource(ExampleUtil.getISO3166Container())
        tbl.setSortDisabled(True)
        tbl.setPageLength(7)
        left.addComponent(tbl)

        # Label on bottom
        textPanel = Panel()  # for scrollbars
        textPanel.setStyleName(Reindeer.PANEL_LIGHT)
        textPanel.setSizeFull()
        left.addComponent(textPanel)
        left.setExpandRatio(textPanel, 1.0)  # use all available space

        text = Label(ExampleUtil.lorem, Label.CONTENT_XHTML)
        text.setWidth('500px')  # some limit is good for text
        textPanel.addComponent(text)
示例#4
0
    def __init__(self):
        super(CssLayoutsExample, self).__init__()

        self.setMargin(True)

        # Note, that this code example may not be self explanatory without
        # checking out the related CSS file in the sampler theme.

        panel = Panel('Panel')
        panel.setStyleName('floatedpanel')
        panel.setWidth('30%')
        panel.setHeight('370px')
        panel.addComponent(
            Label('This panel is 30% wide ' +
                  'and 370px high (defined on the server side) ' +
                  'and floated right (with custom css). ' +
                  'Try resizing the browser window to see ' +
                  'how the black boxes (floated left) ' +
                  'behave. Every third of them has colored text ' +
                  'to demonstrate the dynamic css injection.'))

        bottomCenter = Label(
            'I\'m a 3 inches wide footer at the bottom of the layout')
        bottomCenter.setSizeUndefined()  # disable 100% default width
        bottomCenter.setStyleName('footer')

        cssLayout = MyCssLayout()
        cssLayout.setWidth('100%')

        cssLayout.addComponent(panel)
        for _ in range(15):
            # add black labels that float left
            cssLayout.addComponent(Brick())

        cssLayout.addComponent(bottomCenter)

        self.addComponent(cssLayout)
示例#5
0
    def __init__(self):
        super(CssLayoutsExample, self).__init__()

        self.setMargin(True)

        # Note, that this code example may not be self explanatory without
        # checking out the related CSS file in the sampler theme.

        panel = Panel('Panel')
        panel.setStyleName('floatedpanel')
        panel.setWidth('30%')
        panel.setHeight('370px')
        panel.addComponent(Label('This panel is 30% wide '
                + 'and 370px high (defined on the server side) '
                + 'and floated right (with custom css). '
                + 'Try resizing the browser window to see '
                + 'how the black boxes (floated left) '
                + 'behave. Every third of them has colored text '
                + 'to demonstrate the dynamic css injection.'))

        bottomCenter = Label(
                'I\'m a 3 inches wide footer at the bottom of the layout')
        bottomCenter.setSizeUndefined()  # disable 100% default width
        bottomCenter.setStyleName('footer')

        cssLayout = MyCssLayout()
        cssLayout.setWidth('100%')

        cssLayout.addComponent(panel)
        for _ in range(15):
            # add black labels that float left
            cssLayout.addComponent(Brick())

        cssLayout.addComponent(bottomCenter)

        self.addComponent(cssLayout)
示例#6
0
class FeatureView(HorizontalLayout):

    _MSG_SHOW_SRC = 'View Source'

    def __init__(self):
        super(FeatureView, self).__init__()

        self._right = None
        self._left = None
        self._controls = None
        self._title = Label("", Label.CONTENT_XHTML)
        self._showSrc = None
        self._exampleCache = dict()
        self._currentFeature = None
        self._srcWindow = None

        self.setWidth('100%')
        self.setMargin(True)
        self.setSpacing(True)
        self.setStyleName('sample-view')

        self._left = VerticalLayout()
        self._left.setWidth('100%')
        self._left.setSpacing(True)
        self._left.setMargin(False)
        self.addComponent(self._left)
        self.setExpandRatio(self._left, 1)

        rightLayout = VerticalLayout()
        self._right = Panel(rightLayout)
        rightLayout.setMargin(True, False, False, False)
        self._right.setStyleName(Reindeer.PANEL_LIGHT)
        self._right.addStyleName('feature-info')
        self._right.setWidth('319px')
        self.addComponent(self._right)

        self._controls = HorizontalLayout()
        self._controls.setWidth('100%')
        self._controls.setStyleName('feature-controls')

        self._title.setStyleName('title')
        self._controls.addComponent(self._title)
        self._controls.setExpandRatio(self._title, 1)

        resetExample = NativeButton('Reset', ResetListener(self))
        resetExample.setStyleName(BaseTheme.BUTTON_LINK)
        resetExample.addStyleName('reset')
        resetExample.setDescription('Reset Sample')
        self._controls.addComponent(resetExample)
        self._showSrc = ActiveLink()
        self._showSrc.setDescription(
            'Right / middle / ctrl / shift -click for browser window/tab')

        self._showSrc.addListener(ShowSrcListener(self),
                                  ILinkActivatedListener)
        self._showSrc.setCaption(self._MSG_SHOW_SRC)
        self._showSrc.addStyleName('showcode')
        self._showSrc.setTargetBorder(Link.TARGET_BORDER_NONE)
        self._controls.addComponent(self._showSrc)

    def showSource(self, source):
        if self._srcWindow is None:
            self._srcWindow = Window('Python source')
            self._srcWindow.getContent().setSizeUndefined()
            self._srcWindow.setWidth('70%')
            self._srcWindow.setHeight('60%')
            self._srcWindow.setPositionX(100)
            self._srcWindow.setPositionY(100)

        self._srcWindow.removeAllComponents()
        self._srcWindow.addComponent(CodeLabel(source))

        if self._srcWindow.getParent() is None:
            self.getWindow().addWindow(self._srcWindow)

    def resetExample(self):
        if self._currentFeature is not None:
            w = self.getWindow()
            w.removeSubwindows()
            f = self._currentFeature
            self._currentFeature = None
            if f in self._exampleCache:
                del self._exampleCache[f]
            self.setFeature(f)

    def setFeature(self, feature):

        from muntjac.demo.sampler.SamplerApplication import SamplerApplication

        if feature != self._currentFeature:
            self._currentFeature = feature
            self._right.removeAllComponents()
            self._left.removeAllComponents()

            self._left.addComponent(self._controls)
            self._title.setValue('<span>' + feature.getName() + '</span>')
            #            if feature.getSinceVersion().isNew():
            #                self._title.addStyleName('new')
            #            else:
            #                self._title.removeStyleName('new')

            self._left.addComponent(self.getExampleFor(feature))

            self._right.setCaption('Description and Resources')

            # Do not show parent description if it's directly inside the root
            alll = SamplerApplication.getAllFeatures()
            parent = alll.getParent(feature)
            isRoot = alll.getParent(parent) is None
            desc = parent.getDescription()
            hasParentDesc = False

            if parent is not None and not isRoot:
                parentLabel = Label(parent.getDescription())
                if desc is not None and desc != '':
                    parentLabel.setContentMode(Label.CONTENT_XHTML)
                    self._right.addComponent(parentLabel)
                    hasParentDesc = True
            desc = feature.getDescription()
            if desc is not None and desc != '':
                # Sample description uses additional decorations if a parent
                # description is found
                l = Label(
                    ("<div class=\"outer-deco\"><div class=\"deco\">"
                     "<span class=\"deco\"></span>") + desc + "</div></div>",
                    Label.CONTENT_XHTML)
                self._right.addComponent(l)
                if hasParentDesc:
                    l.setStyleName('sample-description')
                else:
                    l.setStyleName('description')

            # open src in new window -link
            self._showSrc.setTargetName(self._currentFeature.getFragmentName())
            er = ExternalResource(self.getApplication().getURL() + 'src/' +
                                  self._currentFeature.getFragmentName())
            self._showSrc.setResource(er)

            resources = feature.getRelatedResources()
            if resources is not None:
                res = VerticalLayout()
                self.caption = Label("<span>Additional Resources</span>",
                                     Label.CONTENT_XHTML)
                self.caption.setStyleName('section')
                self.caption.setWidth('100%')
                res.addComponent(self.caption)
                res.setMargin(False, False, True, False)
                for r in resources:
                    l = Link(r.getName(), r)
                    l.setIcon(ThemeResource('../runo/icons/16/note.png'))
                    res.addComponent(l)
                self._right.addComponent(res)

            apis = feature.getRelatedAPI()
            if apis is not None:
                api = VerticalLayout()
                self.caption = Label("<span>API Documentation</span>",
                                     Label.CONTENT_XHTML)
                self.caption.setStyleName('section')
                self.caption.setWidth('100%')
                api.addComponent(self.caption)
                api.setMargin(False, False, True, False)
                for r in apis:
                    l = Link(r.getName(), r)
                    ic = ThemeResource('../runo/icons/16/document-txt.png')
                    l.setIcon(ic)
                    api.addComponent(l)
                self._right.addComponent(api)

            features = feature.getRelatedFeatures()
            if features is not None:
                rel = VerticalLayout()
                self.caption = Label("<span>Related Samples</span>",
                                     Label.CONTENT_XHTML)
                self.caption.setStyleName('section')
                self.caption.setWidth('100%')
                rel.addComponent(self.caption)
                rel.setMargin(False, False, True, False)
                for c in features:
                    f = SamplerApplication.getFeatureFor(c)
                    if f is not None:
                        er = ExternalResource(self.getApplication().getURL() +
                                              '#' + f.getFragmentName())
                        al = ActiveLink(f.getName(), er)
                        if isinstance(f, FeatureSet):
                            ic = ThemeResource('../sampler/icons/category.gif')
                        else:
                            ic = ThemeResource('../sampler/icons/sample.png')
                        al.setIcon(ic)

                        al.addListener(LinkListener(self, f),
                                       ILinkActivatedListener)
                        rel.addComponent(al)
                self._right.addComponent(rel)

    def getExampleFor(self, f):
        ex = self._exampleCache.get(f)
        if ex is None:
            ex = f.getExample()
            self._exampleCache[f] = ex
        return ex
示例#7
0
class MuntjacGroupBox(MuntjacContainer, AbstractTkGroupBox):
    """ A Muntjac implementation of GroupBox.

    """
    #--------------------------------------------------------------------------
    # Setup methods
    #--------------------------------------------------------------------------
    def create(self, parent):
        """ Creates the underlying Panel control.

        """
#        self.widget = QResizingGroupBox(parent)
        self.widget = Panel()
        parent.addComponent(self.widget)

    def initialize(self):
        """ Intializes the widget with the attributes of this instance.

        """
        super(MuntjacGroupBox, self).initialize()
        shell = self.shell_obj
        self._set_title(shell.title)
        self._set_flat(shell.flat)
        self._set_title_align(shell.title_align)
        self._reset_layout_margins()

    #--------------------------------------------------------------------------
    # Implementation
    #--------------------------------------------------------------------------
    def shell_title_changed(self, title):
        """ Update the title of the group box with the new value from the
        shell object.

        """
        self._set_title(title)
        self._reset_layout_margins()
        # We need to call update constraints since the margins may
        # have changed. Using the size_hint_updated event here is
        # not sufficient.
        self.shell_obj.set_needs_update_constraints()

    def shell_flat_changed(self, flat):
        """ Update the flat flag of the group box with the new value from
        the shell object.

        """
        self._set_flat(flat)
        self._reset_layout_margins()
        # We need to call update constraints since the margins may
        # have changed. Using the size_hint_updated event here is
        # not sufficient.
        self.shell_obj.set_needs_update_constraints()

    def shell_title_align_changed(self, align):
        """ Update the title alignment to the new value from the shell
        object.

        """
        self._set_title_align(align)

    def get_contents_margins(self):
        """ Return the (top, left, right, bottom) margin values for the
        widget.

        """
#        dx, dy, dr, db = self._layout_margins
#        m = self.widget.contentsMargins()
#        contents_margins = (m.top()-dy, m.left()-dx, m.right()-dr, m.bottom()-db)
#        #contents_margins = (m.top(), m.left(), m.right(), m.bottom())
        return (0, 0, 0, 0)

    #--------------------------------------------------------------------------
    # Widget Update methods
    #--------------------------------------------------------------------------
    def _set_title(self, title):
        """ Updates the title of group box.

        """
        self.widget.setCaption(title)

    def _set_flat(self, flat):
        """ Updates the flattened appearance of the group box.

        """
        if flat:
            self.widget.setStyleName(BaseTheme.PANEL_LIGHT)
        else:
            self.widget.removeStyleName(BaseTheme.PANEL_LIGHT)

    def _set_title_align(self, align):
        """ Updates the alignment of the title of the group box.

        """
        pass
示例#8
0
class FeatureView(HorizontalLayout):

    _MSG_SHOW_SRC = 'View Source'

    def __init__(self):
        super(FeatureView, self).__init__()

        self._right = None
        self._left = None
        self._controls = None
        self._title = Label("", Label.CONTENT_XHTML)
        self._showSrc = None
        self._exampleCache = dict()
        self._currentFeature = None
        self._srcWindow = None

        self.setWidth('100%')
        self.setMargin(True)
        self.setSpacing(True)
        self.setStyleName('sample-view')

        self._left = VerticalLayout()
        self._left.setWidth('100%')
        self._left.setSpacing(True)
        self._left.setMargin(False)
        self.addComponent(self._left)
        self.setExpandRatio(self._left, 1)

        rightLayout = VerticalLayout()
        self._right = Panel(rightLayout)
        rightLayout.setMargin(True, False, False, False)
        self._right.setStyleName(Reindeer.PANEL_LIGHT)
        self._right.addStyleName('feature-info')
        self._right.setWidth('319px')
        self.addComponent(self._right)

        self._controls = HorizontalLayout()
        self._controls.setWidth('100%')
        self._controls.setStyleName('feature-controls')

        self._title.setStyleName('title')
        self._controls.addComponent(self._title)
        self._controls.setExpandRatio(self._title, 1)

        resetExample = NativeButton('Reset', ResetListener(self))
        resetExample.setStyleName(BaseTheme.BUTTON_LINK)
        resetExample.addStyleName('reset')
        resetExample.setDescription('Reset Sample')
        self._controls.addComponent(resetExample)
        self._showSrc = ActiveLink()
        self._showSrc.setDescription('Right / middle / ctrl / shift -click for browser window/tab')

        self._showSrc.addListener(ShowSrcListener(self), ILinkActivatedListener)
        self._showSrc.setCaption(self._MSG_SHOW_SRC)
        self._showSrc.addStyleName('showcode')
        self._showSrc.setTargetBorder(Link.TARGET_BORDER_NONE)
        self._controls.addComponent(self._showSrc)


    def showSource(self, source):
        if self._srcWindow is None:
            self._srcWindow = Window('Python source')
            self._srcWindow.getContent().setSizeUndefined()
            self._srcWindow.setWidth('70%')
            self._srcWindow.setHeight('60%')
            self._srcWindow.setPositionX(100)
            self._srcWindow.setPositionY(100)

        self._srcWindow.removeAllComponents()
        self._srcWindow.addComponent( CodeLabel(source) )

        if self._srcWindow.getParent() is None:
            self.getWindow().addWindow(self._srcWindow)


    def resetExample(self):
        if self._currentFeature is not None:
            w = self.getWindow()
            w.removeSubwindows()
            f = self._currentFeature
            self._currentFeature = None
            if f in self._exampleCache:
                del self._exampleCache[f]
            self.setFeature(f)


    def setFeature(self, feature):

        from muntjac.demo.sampler.SamplerApplication import SamplerApplication

        if feature != self._currentFeature:
            self._currentFeature = feature
            self._right.removeAllComponents()
            self._left.removeAllComponents()

            self._left.addComponent(self._controls)
            self._title.setValue('<span>' + feature.getName() + '</span>')
            if feature.getSinceVersion().isNew():
                self._title.addStyleName('new')
            else:
                self._title.removeStyleName('new')

            self._left.addComponent(self.getExampleFor(feature))

            self._right.setCaption('Description and Resources')

            # Do not show parent description if it's directly inside the root
            alll = SamplerApplication.getAllFeatures()
            parent = alll.getParent(feature)
            isRoot = alll.getParent(parent) is None
            desc = parent.getDescription()
            hasParentDesc = False

            if parent is not None and not isRoot:
                parentLabel = Label(parent.getDescription())
                if desc is not None and desc != '':
                    parentLabel.setContentMode(Label.CONTENT_XHTML)
                    self._right.addComponent(parentLabel)
                    hasParentDesc = True
            desc = feature.getDescription()
            if desc is not None and desc != '':
                # Sample description uses additional decorations if a parent
                # description is found
                l = Label(("<div class=\"outer-deco\"><div class=\"deco\">"
                        "<span class=\"deco\"></span>")
                        + desc + "</div></div>", Label.CONTENT_XHTML)
                self._right.addComponent(l)
                if hasParentDesc:
                    l.setStyleName('sample-description')
                else:
                    l.setStyleName('description')

            # open src in new window -link
            self._showSrc.setTargetName(self._currentFeature.getFragmentName())
            er = ExternalResource(self.getApplication().getURL()
                    + 'src/' + self._currentFeature.getFragmentName())
            self._showSrc.setResource(er)

            resources = feature.getRelatedResources()
            if resources is not None:
                res = VerticalLayout()
                self.caption = Label("<span>Additional Resources</span>",
                        Label.CONTENT_XHTML)
                self.caption.setStyleName('section')
                self.caption.setWidth('100%')
                res.addComponent(self.caption)
                res.setMargin(False, False, True, False)
                for r in resources:
                    l = Link(r.getName(), r)
                    l.setIcon( ThemeResource('../runo/icons/16/note.png') )
                    res.addComponent(l)
                self._right.addComponent(res)

            apis = feature.getRelatedAPI()
            if apis is not None:
                api = VerticalLayout()
                self.caption = Label("<span>API Documentation</span>",
                        Label.CONTENT_XHTML)
                self.caption.setStyleName('section')
                self.caption.setWidth('100%')
                api.addComponent(self.caption)
                api.setMargin(False, False, True, False)
                for r in apis:
                    l = Link(r.getName(), r)
                    ic = ThemeResource('../runo/icons/16/document-txt.png')
                    l.setIcon(ic)
                    api.addComponent(l)
                self._right.addComponent(api)

            features = feature.getRelatedFeatures()
            if features is not None:
                rel = VerticalLayout()
                self.caption = Label("<span>Related Samples</span>",
                        Label.CONTENT_XHTML)
                self.caption.setStyleName('section')
                self.caption.setWidth('100%')
                rel.addComponent(self.caption)
                rel.setMargin(False, False, True, False)
                for c in features:
                    f = SamplerApplication.getFeatureFor(c)
                    if f is not None:
                        er = ExternalResource(self.getApplication().getURL()
                                + '#' + f.getFragmentName())
                        al = ActiveLink(f.getName(), er)
                        if isinstance(f, FeatureSet):
                            ic = ThemeResource('../sampler/icons/category.gif')
                        else:
                            ic = ThemeResource('../sampler/icons/sample.png')
                        al.setIcon(ic)

                        al.addListener(LinkListener(self, f),
                                ILinkActivatedListener)
                        rel.addComponent(al)
                self._right.addComponent(rel)


    def getExampleFor(self, f):
        ex = self._exampleCache.get(f)
        if ex is None:
            ex = f.getExample()
            self._exampleCache[f] = ex
        return ex
示例#9
0
class MuntjacGroupBox(MuntjacContainer, AbstractTkGroupBox):
    """ A Muntjac implementation of GroupBox.

    """

    #--------------------------------------------------------------------------
    # Setup methods
    #--------------------------------------------------------------------------
    def create(self, parent):
        """ Creates the underlying Panel control.

        """
        #        self.widget = QResizingGroupBox(parent)
        self.widget = Panel()
        parent.addComponent(self.widget)

    def initialize(self):
        """ Intializes the widget with the attributes of this instance.

        """
        super(MuntjacGroupBox, self).initialize()
        shell = self.shell_obj
        self._set_title(shell.title)
        self._set_flat(shell.flat)
        self._set_title_align(shell.title_align)
        self._reset_layout_margins()

    #--------------------------------------------------------------------------
    # Implementation
    #--------------------------------------------------------------------------
    def shell_title_changed(self, title):
        """ Update the title of the group box with the new value from the
        shell object.

        """
        self._set_title(title)
        self._reset_layout_margins()
        # We need to call update constraints since the margins may
        # have changed. Using the size_hint_updated event here is
        # not sufficient.
        self.shell_obj.set_needs_update_constraints()

    def shell_flat_changed(self, flat):
        """ Update the flat flag of the group box with the new value from
        the shell object.

        """
        self._set_flat(flat)
        self._reset_layout_margins()
        # We need to call update constraints since the margins may
        # have changed. Using the size_hint_updated event here is
        # not sufficient.
        self.shell_obj.set_needs_update_constraints()

    def shell_title_align_changed(self, align):
        """ Update the title alignment to the new value from the shell
        object.

        """
        self._set_title_align(align)

    def get_contents_margins(self):
        """ Return the (top, left, right, bottom) margin values for the
        widget.

        """
        #        dx, dy, dr, db = self._layout_margins
        #        m = self.widget.contentsMargins()
        #        contents_margins = (m.top()-dy, m.left()-dx, m.right()-dr, m.bottom()-db)
        #        #contents_margins = (m.top(), m.left(), m.right(), m.bottom())
        return (0, 0, 0, 0)

    #--------------------------------------------------------------------------
    # Widget Update methods
    #--------------------------------------------------------------------------
    def _set_title(self, title):
        """ Updates the title of group box.

        """
        self.widget.setCaption(title)

    def _set_flat(self, flat):
        """ Updates the flattened appearance of the group box.

        """
        if flat:
            self.widget.setStyleName(BaseTheme.PANEL_LIGHT)
        else:
            self.widget.removeStyleName(BaseTheme.PANEL_LIGHT)

    def _set_title_align(self, align):
        """ Updates the alignment of the title of the group box.

        """
        pass