Пример #1
0
class QgsTreePanel(QtGui.QWidget):    
    
    def __init__(self, explorer):                 
        QtGui.QWidget.__init__(self, None) 
        self.explorer = explorer
        self.projectItem = QgsProjectItem()                    
        verticalLayout = QtGui.QVBoxLayout()
        verticalLayout.setSpacing(2)
        verticalLayout.setMargin(0)         
        self.toptoolbar = QtGui.QToolBar()
        self.toptoolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)        
        verticalLayout.addWidget(self.toptoolbar)     
        self.tree = ExplorerTreeWidget(self.explorer)               
        verticalLayout.addWidget(self.tree)        
        actions = self.projectItem.contextMenuActions(self.tree, explorer)
        for action in actions:
            self.toptoolbar.addAction(action)        
        self.toolbar = QtGui.QToolBar()
        self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        layersIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/layer.png")
        self.layersAction = QtGui.QAction(layersIcon, "Layers", explorer)
        self.layersAction.triggered.connect(self.showLayers)                
        stylesIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/style.png")
        self.stylesAction = QtGui.QAction(stylesIcon, "Styles", explorer)
        self.stylesAction.triggered.connect(self.showStyles)
        groupsIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/group.gif")
        self.groupsAction = QtGui.QAction(groupsIcon, "Groups", explorer)
        self.groupsAction.triggered.connect(self.showGroups)                
        self.toolbar.addAction(self.layersAction)        
        self.toolbar.addAction(self.stylesAction)
        self.toolbar.addAction(self.groupsAction)        
        verticalLayout.addWidget(self.toolbar)
        self.setLayout(verticalLayout)
        self.lastAction = None
        self.layersAction.trigger()
                
    def currentItem(self):
        self.tree.currentItem()
    
    def showGroups(self):  
        if self.sender() == self.lastAction:
            return      
        self.tree.clear()     
        groups = qgislayers.getGroups()
        for group in groups:
            groupItem = QgsGroupItem(group)                                
            groupItem.populate()
            self.tree.addTopLevelItem(groupItem)          
        self.lastAction = self.sender()
            
    def showStyles(self):
        if self.sender() == self.lastAction:
            return
        self.tree.clear()
        styles = qgislayers.getVectorLayers()
        for style in styles:
            styleItem = QgsStyleItem(style)               
            self.tree.addTopLevelItem(styleItem)
        self.lastAction = self.sender()
                     
    def showLayers(self):              
        if self.sender() == self.lastAction:
            return           
        self.tree.clear()
        layers = qgislayers.getAllLayers()
        for layer in layers:
            layerItem = QgsLayerItem(layer)                                    
            self.tree.addTopLevelItem(layerItem)
        self.lastAction = self.sender()                                   
            
    def refreshContent(self):
        self.toptoolbar.clear()
        actions = self.projectItem.contextMenuActions(self.tree, self.explorer)
        for action in actions:
            self.toptoolbar.addAction(action)
        action = self.lastAction
        self.lastAction = None
        if action is not None:
            action.trigger()  
Пример #2
0
class QgsTreePanel(QtGui.QWidget):
    def __init__(self, explorer):
        QtGui.QWidget.__init__(self, None)
        self.explorer = explorer
        self.projectItem = QgsProjectItem()
        verticalLayout = QtGui.QVBoxLayout()
        verticalLayout.setSpacing(2)
        verticalLayout.setMargin(0)
        self.toptoolbar = QtGui.QToolBar()
        self.toptoolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        verticalLayout.addWidget(self.toptoolbar)
        self.tree = ExplorerTreeWidget(self.explorer)
        verticalLayout.addWidget(self.tree)
        actions = self.projectItem.contextMenuActions(self.tree, explorer)
        for action in actions:
            self.toptoolbar.addAction(action)
        self.toolbar = QtGui.QToolBar()
        self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        layersIcon = QtGui.QIcon(
            os.path.dirname(__file__) + "/../images/layer.png")
        self.layersAction = QtGui.QAction(layersIcon, "Layers", explorer)
        self.layersAction.triggered.connect(self.showLayers)
        stylesIcon = QtGui.QIcon(
            os.path.dirname(__file__) + "/../images/style.png")
        self.stylesAction = QtGui.QAction(stylesIcon, "Styles", explorer)
        self.stylesAction.triggered.connect(self.showStyles)
        groupsIcon = QtGui.QIcon(
            os.path.dirname(__file__) + "/../images/group.gif")
        self.groupsAction = QtGui.QAction(groupsIcon, "Groups", explorer)
        self.groupsAction.triggered.connect(self.showGroups)
        self.toolbar.addAction(self.layersAction)
        self.toolbar.addAction(self.stylesAction)
        self.toolbar.addAction(self.groupsAction)
        verticalLayout.addWidget(self.toolbar)
        self.setLayout(verticalLayout)
        self.lastAction = None
        self.layersAction.trigger()

    def currentItem(self):
        self.tree.currentItem()

    def showGroups(self):
        if self.sender() == self.lastAction:
            return
        self.tree.clear()
        groups = qgislayers.getGroups()
        for group in groups:
            groupItem = QgsGroupItem(group)
            groupItem.populate()
            self.tree.addTopLevelItem(groupItem)
        self.lastAction = self.sender()

    def showStyles(self):
        if self.sender() == self.lastAction:
            return
        self.tree.clear()
        styles = qgislayers.getVectorLayers()
        for style in styles:
            styleItem = QgsStyleItem(style)
            self.tree.addTopLevelItem(styleItem)
        self.lastAction = self.sender()

    def showLayers(self):
        if self.sender() == self.lastAction:
            return
        self.tree.clear()
        layers = qgislayers.getAllLayers()
        for layer in layers:
            layerItem = QgsLayerItem(layer)
            self.tree.addTopLevelItem(layerItem)
        self.lastAction = self.sender()

    def refreshContent(self):
        self.toptoolbar.clear()
        actions = self.projectItem.contextMenuActions(self.tree, self.explorer)
        for action in actions:
            self.toptoolbar.addAction(action)
        action = self.lastAction
        self.lastAction = None
        if action is not None:
            action.trigger()
Пример #3
0
class GsTreePanel(QtGui.QWidget):
    
    def __init__(self, explorer):                 
        QtGui.QWidget.__init__(self, None) 
        self.explorer = explorer
        self.catalogs = {}                        
        verticalLayout = QtGui.QVBoxLayout()
        verticalLayout.setSpacing(2)
        verticalLayout.setMargin(0)      
        horizontalLayout = QtGui.QHBoxLayout()
        horizontalLayout.setSpacing(2)
        horizontalLayout.setMargin(0)    
        self.comboBox = QtGui.QComboBox()
        self.comboBox.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
        self.comboBox.currentIndexChanged.connect(self.catalogHasChanged)   
        horizontalLayout.addWidget(self.comboBox)
        self.addButton = QtGui.QPushButton()
        self.addButton.clicked.connect(self.addCatalog)
        addIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/add.png")
        self.addButton.setIcon(addIcon)
        self.addButton.setSizePolicy(QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Minimum) 
        self.refreshButton = QtGui.QPushButton()
        self.refreshButton.clicked.connect(self.refreshContent)
        refreshIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/refresh.png")
        self.refreshButton.setIcon(refreshIcon)
        self.refreshButton.setSizePolicy(QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Minimum) 
        self.refreshButton.setEnabled(False)
        horizontalLayout.addWidget(self.refreshButton)
        horizontalLayout.addWidget(self.addButton)        
        verticalLayout.addLayout(horizontalLayout)
        self.toptoolbar = QtGui.QToolBar()
        self.toptoolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        self.toptoolbar.setVisible(False)
        verticalLayout.addWidget(self.toptoolbar)
        self.tree = ExplorerTreeWidget(self.explorer)        
        verticalLayout.addWidget(self.tree)        
        self.toolbar = QtGui.QToolBar()
        self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        layersIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/layer.png")
        self.layersAction = QtGui.QAction(layersIcon, "Layers", explorer)
        self.layersAction.triggered.connect(lambda: self.toggleVisibility((GsLayerItem), 
                                            self.containerItems[0].contextMenuActions(self.tree, self.explorer)))        
        workspacesIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/workspace.png")
        self.workspacesAction = QtGui.QAction(workspacesIcon, "Workspaces", explorer)
        self.workspacesAction.triggered.connect(lambda: self.toggleVisibility((GsWorkspaceItem),
                                                self.containerItems[1].contextMenuActions(self.tree, self.explorer))) 
        stylesIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/style.png")
        self.stylesAction = QtGui.QAction(stylesIcon, "Styles", explorer)
        self.stylesAction.triggered.connect(lambda: self.toggleVisibility((GsStyleItem),
                                            self.containerItems[2].contextMenuActions(self.tree, self.explorer))) 
        groupsIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/group.gif")
        self.groupsAction = QtGui.QAction(groupsIcon, "Groups", explorer)
        self.groupsAction.triggered.connect(lambda: self.toggleVisibility((GsGroupItem),
                                            self.containerItems[3].contextMenuActions(self.tree, self.explorer))) 
        gwcIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/gwc.png")
        self.gwcAction = QtGui.QAction(gwcIcon, "GeoWebCache", explorer)
        self.gwcAction.triggered.connect(lambda: self.toggleVisibility((GwcLayerItem),
                                        self.containerItems[4].contextMenuActions(self.tree, self.explorer))) 
        wpsIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/process.png")
        self.wpsAction = QtGui.QAction(wpsIcon, "Processes", explorer)
        self.wpsAction.triggered.connect(lambda: self.toggleVisibility((GsProcessItem),
                                        self.containerItems[5].contextMenuActions(self.tree, self.explorer))) 
        self.layersAction.setEnabled(False)
        self.workspacesAction.setEnabled(False)
        self.stylesAction.setEnabled(False)
        self.groupsAction.setEnabled(False)
        self.gwcAction.setEnabled(False)
        self.wpsAction.setEnabled(False)
        self.updateActionButtons()
            
        #=======================================================================
        # self.toolbar.addAction(self.layersAction)
        # self.toolbar.addAction(self.workspacesAction)
        # self.toolbar.addAction(self.stylesAction)
        # self.toolbar.addAction(self.groupsAction)
        # self.toolbar.addAction(self.gwcAction)
        # self.toolbar.addAction(self.wpsAction)
        #=======================================================================
        verticalLayout.addWidget(self.toolbar)
        self.setLayout(verticalLayout)    
        
    def updateActionButtons(self):
        actions = [self.layersAction, self.workspacesAction, self.stylesAction, 
                   self.groupsAction, self.gwcAction, self.wpsAction]
        self.toolbar.clear()
        for action in actions:   
            button = QtGui.QPushButton()
            button.setIcon(action.icon())
            button.setToolTip(action.text())
            button.setEnabled(action.isEnabled())
            button.clicked.connect(action.trigger)                           
            self.toolbar.addWidget(button)            
    
    def catalogHasChanged(self):
        self.catalog = self.comboBox.itemData(self.comboBox.currentIndex())
        self.fillTree()
        self.toggleVisibility((GsLayerItem))
            
    def currentItem(self):
        self.tree.currentItem()
    
    def fillTree(self):    
        self.tree.clear() 
        QtGui.QApplication.setOverrideCursor(QtGui.QCursor(QtCore.Qt.WaitCursor)) 
        self.explorer.setProgressMaximum(7, "Filling explorer tree")      
        try:
            groups = self.catalog.get_layergroups()
            for group in groups:
                groupItem = GsGroupItem(group)
                groupItem.populate()                                
                self.tree.addTopLevelItem(groupItem)          
            self.explorer.setProgress(1)
            cat = self.catalog            
            try:
                defaultWorkspace = cat.get_default_workspace()
                defaultWorkspace.fetch()
                defaultName = defaultWorkspace.dom.find('name').text
            except:
                defaultName = None             
            self.explorer.setProgress(2)
            workspaces = cat.get_workspaces()
            for workspace in workspaces:
                workspaceItem = GsWorkspaceItem(workspace, workspace.name == defaultName)
                workspaceItem.populate()
                self.tree.addTopLevelItem(workspaceItem)
            self.explorer.setProgress(3)
            styles = self.catalog.get_styles()
            for style in styles:
                styleItem = GsStyleItem(style, False)                
                self.tree.addTopLevelItem(styleItem)
            self.explorer.setProgress(4)                    
            layers = self.catalog.get_layers()
            for layer in layers:
                layerItem = GsLayerItem(layer)            
                layerItem.populate()    
                self.tree.addTopLevelItem(layerItem)
            self.explorer.setProgress(5)                   
            gwc = Gwc(self.catalog)        
            layers = gwc.layers()
            for layer in layers:
                item = GwcLayerItem(layer)
                self.tree.addTopLevelItem(item)
            self.explorer.setProgress(6)
            self.element = Wps(self.catalog)        
            try:
                processes = self.catalog.processes()
                for process in processes:
                    item = GsProcessItem(process)
                    self.tree.addTopLevelItem(item)
                self.explorer.setProgress(7)                
            except:
                #ignore this section if catalog does not have WPS installed
                pass  
            self.explorer.resetActivity()
            self.tree.invisibleRootItem().sortChildren(0, QtCore.Qt.AscendingOrder)
            #we keep a list of container items, to use their actions
            self.containerItems = [GsLayersItem(self.catalog), GsWorkspacesItem(self.catalog),
                                   GsStylesItem(self.catalog),GsGroupsItem(self.catalog), 
                                   GwcLayersItem(self.catalog), GsProcessesItem(self.catalog)]
                          
        finally:
            self.explorer.setProgress(0)
            QtGui.QApplication.restoreOverrideCursor()

    def toggleVisibility(self, visibleItems = (type(None)), visibleActions = []):
        root = self.tree.invisibleRootItem()
        for i in range(root.childCount()):
            item = root.child(i)
            item.setHidden(not isinstance(item, visibleItems))
        self.toptoolbar.setVisible(len(visibleActions)>0)
        self.toptoolbar.clear()
        for action in visibleActions:   
            button = QtGui.QPushButton()
            button.setIcon(action.icon())
            button.setToolTip(action.text())
            button.setEnabled(action.isEnabled())
            button.clicked.connect(action.trigger)                           
            self.toptoolbar.addWidget(button)
        #=======================================================================
        # for action in visibleActions:
        #    self.toptoolbar.addAction(action)
        #=======================================================================
        self.visibleItems = visibleItems
        self.visibleActions = visibleActions

            
    def addCatalog(self, explorer):         
        dlg = DefineCatalogDialog()
        dlg.exec_()        
        if dlg.ok:
            try:
                cat = Catalog(dlg.url, dlg.username, dlg.password)               
                v = cat.gsversion()
                supported = v.startswith("2.3") or v.startswith("2.4")
                if not supported:
                    ret = QtGui.QMessageBox.warning(explorer, "GeoServer catalog definition",
                                    "The specified catalog seems to be running an older version of GeoServer\n"
                                    "That might cause unexpected behaviour.\nDo you want to add the catalog anyway?",
                                    QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,                                
                                    QtGui.QMessageBox.No);
                    if ret == QtGui.QMessageBox.No:
                        return
                name = dlg.name
                i = 2
                while name in self.catalogs.keys():
                    name = dlg.getName() + "_" + str(i)
                    i += 1                                             
                self.catalogs[name] = cat   
                self.catalog = cat      
                self.comboBox.addItem(name, cat)                          
                self.layersAction.setEnabled(True)
                self.workspacesAction.setEnabled(True)
                self.stylesAction.setEnabled(True)
                self.groupsAction.setEnabled(True)
                self.gwcAction.setEnabled(True)
                self.wpsAction.setEnabled(True)
                self.refreshButton.setEnabled(True)
                self.updateActionButtons()
                
                self.fillTree()
                self.layersAction.trigger() 
                self.explorer.updateQgisContent() 
            except Exception, e:
                explorer.setInfo(str(e), 1)
                return                   
Пример #4
0
class GsTreePanel(QtGui.QWidget):
    def __init__(self, explorer):
        QtGui.QWidget.__init__(self, None)
        self.explorer = explorer
        self.catalogs = {}
        verticalLayout = QtGui.QVBoxLayout()
        verticalLayout.setSpacing(2)
        verticalLayout.setMargin(0)
        horizontalLayout = QtGui.QHBoxLayout()
        horizontalLayout.setSpacing(2)
        horizontalLayout.setMargin(0)
        self.comboBox = QtGui.QComboBox()
        self.comboBox.setSizePolicy(QtGui.QSizePolicy.Expanding,
                                    QtGui.QSizePolicy.Minimum)
        self.comboBox.currentIndexChanged.connect(self.catalogHasChanged)
        horizontalLayout.addWidget(self.comboBox)
        self.addButton = QtGui.QPushButton()
        self.addButton.clicked.connect(lambda: self.addCatalog(explorer))
        addIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/add.png")
        self.addButton.setIcon(addIcon)
        self.addButton.setSizePolicy(QtGui.QSizePolicy.Minimum,
                                     QtGui.QSizePolicy.Minimum)
        self.refreshButton = QtGui.QPushButton()
        self.refreshButton.clicked.connect(self.refreshContent)
        refreshIcon = QtGui.QIcon(
            os.path.dirname(__file__) + "/../images/refresh.png")
        self.refreshButton.setIcon(refreshIcon)
        self.refreshButton.setSizePolicy(QtGui.QSizePolicy.Minimum,
                                         QtGui.QSizePolicy.Minimum)
        self.refreshButton.setEnabled(False)
        horizontalLayout.addWidget(self.refreshButton)
        horizontalLayout.addWidget(self.addButton)
        verticalLayout.addLayout(horizontalLayout)
        self.toptoolbar = QtGui.QToolBar()
        self.toptoolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        self.toptoolbar.setVisible(False)
        verticalLayout.addWidget(self.toptoolbar)
        self.tree = ExplorerTreeWidget(self.explorer)
        verticalLayout.addWidget(self.tree)
        self.toolbar = QtGui.QToolBar()
        self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        layersIcon = QtGui.QIcon(
            os.path.dirname(__file__) + "/../images/layer.png")
        self.layersAction = QtGui.QAction(layersIcon, "Layers", explorer)
        self.layersAction.triggered.connect(lambda: self.toggleVisibility(
            (GsLayerItem), self.containerItems[0].contextMenuActions(
                self.tree, self.explorer)))
        workspacesIcon = QtGui.QIcon(
            os.path.dirname(__file__) + "/../images/workspace.png")
        self.workspacesAction = QtGui.QAction(workspacesIcon, "Workspaces",
                                              explorer)
        self.workspacesAction.triggered.connect(lambda: self.toggleVisibility(
            (GsWorkspaceItem), self.containerItems[1].contextMenuActions(
                self.tree, self.explorer)))
        stylesIcon = QtGui.QIcon(
            os.path.dirname(__file__) + "/../images/style.png")
        self.stylesAction = QtGui.QAction(stylesIcon, "Styles", explorer)
        self.stylesAction.triggered.connect(lambda: self.toggleVisibility(
            (GsStyleItem), self.containerItems[2].contextMenuActions(
                self.tree, self.explorer)))
        groupsIcon = QtGui.QIcon(
            os.path.dirname(__file__) + "/../images/group.gif")
        self.groupsAction = QtGui.QAction(groupsIcon, "Groups", explorer)
        self.groupsAction.triggered.connect(lambda: self.toggleVisibility(
            (GsGroupItem), self.containerItems[3].contextMenuActions(
                self.tree, self.explorer)))
        gwcIcon = QtGui.QIcon(os.path.dirname(__file__) + "/../images/gwc.png")
        self.gwcAction = QtGui.QAction(gwcIcon, "GeoWebCache", explorer)
        self.gwcAction.triggered.connect(lambda: self.toggleVisibility(
            (GwcLayerItem), self.containerItems[4].contextMenuActions(
                self.tree, self.explorer)))
        wpsIcon = QtGui.QIcon(
            os.path.dirname(__file__) + "/../images/process.png")
        self.wpsAction = QtGui.QAction(wpsIcon, "Processes", explorer)
        self.wpsAction.triggered.connect(lambda: self.toggleVisibility(
            (GsProcessItem), self.containerItems[5].contextMenuActions(
                self.tree, self.explorer)))
        self.layersAction.setEnabled(False)
        self.workspacesAction.setEnabled(False)
        self.stylesAction.setEnabled(False)
        self.groupsAction.setEnabled(False)
        self.gwcAction.setEnabled(False)
        self.wpsAction.setEnabled(False)
        self.updateActionButtons()

        verticalLayout.addWidget(self.toolbar)
        self.setLayout(verticalLayout)

    def updateActionButtons(self):
        actions = [
            self.layersAction, self.workspacesAction, self.stylesAction,
            self.groupsAction, self.gwcAction, self.wpsAction
        ]
        self.toolbar.clear()
        for action in actions:
            button = QtGui.QPushButton()
            button.setIcon(action.icon())
            button.setToolTip(action.text())
            button.setEnabled(action.isEnabled())
            button.clicked.connect(action.trigger)
            self.toolbar.addWidget(button)

    def catalogHasChanged(self):
        self.catalog = self.comboBox.itemData(self.comboBox.currentIndex())
        self.fillTree()
        self.toggleVisibility((GsLayerItem))

    def currentItem(self):
        self.tree.currentItem()

    def fillTree(self):
        self.tree.clear()
        QtGui.QApplication.setOverrideCursor(
            QtGui.QCursor(QtCore.Qt.WaitCursor))
        self.explorer.setProgressMaximum(7, "Filling explorer tree")
        try:
            groups = self.catalog.get_layergroups()
            for group in groups:
                groupItem = GsGroupItem(group)
                groupItem.populate()
                self.tree.addTopLevelItem(groupItem)
            self.explorer.setProgress(1)
            cat = self.catalog
            try:
                defaultWorkspace = cat.get_default_workspace()
                defaultWorkspace.fetch()
                defaultName = defaultWorkspace.dom.find('name').text
            except:
                defaultName = None
            self.explorer.setProgress(2)
            workspaces = cat.get_workspaces()
            for workspace in workspaces:
                workspaceItem = GsWorkspaceItem(workspace,
                                                workspace.name == defaultName)
                workspaceItem.populate()
                self.tree.addTopLevelItem(workspaceItem)
            self.explorer.setProgress(3)
            styles = self.catalog.get_styles()
            for style in styles:
                styleItem = GsStyleItem(style, False)
                self.tree.addTopLevelItem(styleItem)
            self.explorer.setProgress(4)
            layers = self.catalog.get_layers()
            for layer in layers:
                layerItem = GsLayerItem(layer)
                layerItem.populate()
                self.tree.addTopLevelItem(layerItem)
            self.explorer.setProgress(5)
            gwc = Gwc(self.catalog)
            layers = gwc.layers()
            for layer in layers:
                item = GwcLayerItem(layer)
                self.tree.addTopLevelItem(item)
            self.explorer.setProgress(6)
            self.element = Wps(self.catalog)
            try:
                processes = self.catalog.processes()
                for process in processes:
                    item = GsProcessItem(process)
                    self.tree.addTopLevelItem(item)
                self.explorer.setProgress(7)
            except:
                #ignore this section if catalog does not have WPS installed
                pass
            self.explorer.resetActivity()
            self.tree.invisibleRootItem().sortChildren(
                0, QtCore.Qt.AscendingOrder)
            #we keep a list of container items, to use their actions
            self.containerItems = [
                GsLayersItem(self.catalog),
                GsWorkspacesItem(self.catalog),
                GsStylesItem(self.catalog),
                GsGroupsItem(self.catalog),
                GwcLayersItem(self.catalog),
                GsProcessesItem(self.catalog)
            ]

        finally:
            self.explorer.setProgress(0)
            QtGui.QApplication.restoreOverrideCursor()

    def toggleVisibility(self, visibleItems=(type(None)), visibleActions=[]):
        root = self.tree.invisibleRootItem()
        for i in range(root.childCount()):
            item = root.child(i)
            item.setHidden(not isinstance(item, visibleItems))
        self.toptoolbar.setVisible(len(visibleActions) > 0)
        self.toptoolbar.clear()
        for action in visibleActions:
            button = QtGui.QPushButton()
            button.setIcon(action.icon())
            button.setToolTip(action.text())
            button.setEnabled(action.isEnabled())
            button.clicked.connect(action.trigger)
            self.toptoolbar.addWidget(button)
        self.visibleItems = visibleItems
        self.visibleActions = visibleActions

    def addCatalog(self, explorer):
        dlg = DefineCatalogDialog(explorer)
        dlg.exec_()
        if dlg.ok:
            try:
                cat = Catalog(dlg.url, dlg.username, dlg.password)
                v = cat.gsversion()
                supported = v.startswith("2.3") or v.startswith("2.4")
                if not supported:
                    ret = QtGui.QMessageBox.warning(
                        explorer, "GeoServer catalog definition",
                        "The specified catalog seems to be running an older version of GeoServer\n"
                        "That might cause unexpected behaviour.\nDo you want to add the catalog anyway?",
                        QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
                        QtGui.QMessageBox.No)
                    if ret == QtGui.QMessageBox.No:
                        return
                self.catalogs[dlg.name] = cat
                self.catalog = cat
                self.comboBox.addItem(dlg.name, cat)
                self.layersAction.setEnabled(True)
                self.workspacesAction.setEnabled(True)
                self.stylesAction.setEnabled(True)
                self.groupsAction.setEnabled(True)
                self.gwcAction.setEnabled(True)
                self.wpsAction.setEnabled(True)
                self.refreshButton.setEnabled(True)
                self.updateActionButtons()

                self.fillTree()
                self.layersAction.trigger()
                self.explorer.updateQgisContent()
            except Exception, e:
                explorer.setError(str(e))
                return