Пример #1
0
class ResultsDialog(BASE, WIDGET):

    def __init__(self):
        super(ResultsDialog, self).__init__(None)
        self.setupUi(self)

        self.keyIcon = QIcon()
        self.keyIcon.addPixmap(self.style().standardPixmap(QStyle.SP_FileIcon))

        self.tree.itemClicked.connect(self.changeResult)

        self.fillTree()

        if self.lastUrl:
            self.webView.load(self.lastUrl)

    def fillTree(self):
        elements = ProcessingResults.getResults()
        if len(elements) == 0:
            self.lastUrl = None
            return
        for element in elements:
            item = TreeResultItem(element)
            item.setIcon(0, self.keyIcon)
            self.tree.addTopLevelItem(item)
        self.lastUrl = QUrl(elements[-1].filename)

    def changeResult(self):
        item = self.tree.currentItem()
        if isinstance(item, TreeResultItem):
            url = QUrl(item.filename)
            self.webView.load(url)
Пример #2
0
class ResultsDialog(BASE, WIDGET):
    def __init__(self):
        super(ResultsDialog, self).__init__(None)
        self.setupUi(self)

        self.keyIcon = QIcon()
        self.keyIcon.addPixmap(self.style().standardPixmap(QStyle.SP_FileIcon))

        self.tree.itemClicked.connect(self.changeResult)

        self.fillTree()

        if self.lastUrl:
            self.webView.load(self.lastUrl)

    def fillTree(self):
        elements = ProcessingResults.getResults()
        if len(elements) == 0:
            self.lastUrl = None
            return
        for element in elements:
            item = TreeResultItem(element)
            item.setIcon(0, self.keyIcon)
            self.tree.addTopLevelItem(item)
        self.lastUrl = QUrl(elements[-1].filename)

    def changeResult(self):
        item = self.tree.currentItem()
        if isinstance(item, TreeResultItem):
            url = QUrl(item.filename)
            self.webView.load(url)
Пример #3
0
class ConfigDialog(BASE, WIDGET):

    def __init__(self, toolbox):
        super(ConfigDialog, self).__init__(None)
        self.setupUi(self)

        self.toolbox = toolbox
        self.groupIcon = QIcon()
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirClosedIcon), QIcon.Normal, QIcon.Off)
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirOpenIcon), QIcon.Normal, QIcon.On)

        if hasattr(self.searchBox, 'setPlaceholderText'):
            self.searchBox.setPlaceholderText(self.tr('Search...'))

        self.model = QStandardItemModel()
        self.tree.setModel(self.model)

        self.delegate = SettingDelegate()
        self.tree.setItemDelegateForColumn(1, self.delegate)

        self.searchBox.textChanged.connect(self.fillTree)

        self.fillTree()

        self.tree.expanded.connect(self.adjustColumns)

    def fillTree(self):
        self.items = {}
        self.model.clear()
        self.model.setHorizontalHeaderLabels([self.tr('Setting'),
                                              self.tr('Value')])

        text = unicode(self.searchBox.text())
        settings = ProcessingConfig.getSettings()

        rootItem = self.model.invisibleRootItem()
        priorityKeys = [self.tr('General'), self.tr('Models'), self.tr('Scripts')]
        for group in priorityKeys:
            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)
            emptyItem = QStandardItem()
            emptyItem.setEditable(False)
            rootItem.insertRow(0, [groupItem, emptyItem])
            for setting in settings[group]:
                if setting.hidden or setting.name.startswith("MENU_"):
                    continue

                if text == '' or text.lower() in setting.description.lower():
                    labelItem = QStandardItem(setting.description)
                    labelItem.setIcon(icon)
                    labelItem.setEditable(False)
                    self.items[setting] = SettingItem(setting)
                    groupItem.insertRow(0, [labelItem, self.items[setting]])

            if text != '':
                self.tree.expand(groupItem.index())

        providersItem = QStandardItem(self.tr('Providers'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'alg.png'))
        providersItem.setIcon(icon)
        providersItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)
        rootItem.insertRow(0, [providersItem, emptyItem])
        for group in settings.keys():
            if group in priorityKeys or group == menusSettingsGroup:
                continue

            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)
            for setting in settings[group]:
                if setting.hidden:
                    continue

                if text == '' or text.lower() in setting.description.lower():
                    labelItem = QStandardItem(setting.description)
                    labelItem.setIcon(icon)
                    labelItem.setEditable(False)
                    self.items[setting] = SettingItem(setting)
                    groupItem.insertRow(0, [labelItem, self.items[setting]])

            emptyItem = QStandardItem()
            emptyItem.setEditable(False)
            providersItem.appendRow([groupItem, emptyItem])

        menusItem = QStandardItem(self.tr('Menus (requires restart)'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'menu.png'))
        menusItem.setIcon(icon)
        menusItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)
        rootItem.insertRow(0, [menusItem, emptyItem])
        providers = Processing.providers
        for provider in providers:
            groupItem = QStandardItem(provider.getDescription())
            icon = provider.getIcon()
            groupItem.setIcon(icon)
            groupItem.setEditable(False)
            for alg in provider.algs:
                labelItem = QStandardItem(alg.name)
                labelItem.setIcon(icon)
                labelItem.setEditable(False)
                try:
                    setting = ProcessingConfig.settings["MENU_" + alg.commandLineName()]
                except:
                    continue
                self.items[setting] = SettingItem(setting)
                groupItem.insertRow(0, [labelItem, self.items[setting]])
            emptyItem = QStandardItem()
            emptyItem.setEditable(False)
            menusItem.appendRow([groupItem, emptyItem])

        self.tree.sortByColumn(0, Qt.AscendingOrder)
        self.adjustColumns()

    def accept(self):
        for setting in self.items.keys():
            if isinstance(setting.value, bool):
                setting.setValue(self.items[setting].checkState() == Qt.Checked)
            else:
                try:
                    setting.setValue(unicode(self.items[setting].text()))
                except ValueError as e:
                    QMessageBox.warning(self, self.tr('Wrong value'),
                                        self.tr('Wrong value for parameter "%s":\n\n%s' % (setting.description, unicode(e))))
                    return
            setting.save()
        Processing.updateAlgsList()
        updateMenus()

        QDialog.accept(self)

    def adjustColumns(self):
        self.tree.resizeColumnToContents(0)
        self.tree.resizeColumnToContents(1)
Пример #4
0
class ConfigDialog(BASE, WIDGET):

    def __init__(self, toolbox):
        super(ConfigDialog, self).__init__(None)
        self.setupUi(self)

        self.toolbox = toolbox
        self.groupIcon = QIcon()
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirClosedIcon), QIcon.Normal, QIcon.Off)
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirOpenIcon), QIcon.Normal, QIcon.On)

        if hasattr(self.searchBox, 'setPlaceholderText'):
            self.searchBox.setPlaceholderText(self.tr('Search...'))

        self.model = QStandardItemModel()
        self.tree.setModel(self.model)

        self.delegate = SettingDelegate()
        self.tree.setItemDelegateForColumn(1, self.delegate)

        self.searchBox.textChanged.connect(self.textChanged)

        self.fillTree()

        self.tree.expanded.connect(self.adjustColumns)

    def textChanged(self):
        text = unicode(self.searchBox.text().lower())
        self._filterItem(self.model.invisibleRootItem(), text)
        if text:
            self.tree.expandAll()
        else:
            self.tree.collapseAll()

    def _filterItem(self, item, text):
        if item.hasChildren():
            show = False
            for i in xrange(item.rowCount()):
                child = item.child(i)
                showChild = self._filterItem(child, text)
                show = (showChild or show)
            self.tree.setRowHidden(item.row(), item.index().parent(), not show)
            return show

        elif isinstance(item, QStandardItem):
            hide = bool(text) and (text not in item.text().lower())
            self.tree.setRowHidden(item.row(), item.index().parent(), hide)
            return not hide

    def fillTree(self):
        self.fillTreeUsingProviders()

    def fillTreeUsingProviders(self):
        self.items = {}
        self.model.clear()
        self.model.setHorizontalHeaderLabels([self.tr('Setting'),
                                              self.tr('Value')])

        settings = ProcessingConfig.getSettings()

        rootItem = self.model.invisibleRootItem()

        """
        Filter 'General', 'Models' and 'Scripts' items
        """
        priorityKeys = [self.tr('General'), self.tr('Models'), self.tr('Scripts')]
        for group in priorityKeys:
            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)
            emptyItem = QStandardItem()
            emptyItem.setEditable(False)

            rootItem.insertRow(0, [groupItem, emptyItem])
            # add menu item only if it has any search matches
            for setting in settings[group]:
                if setting.hidden or setting.name.startswith("MENU_"):
                    continue

                labelItem = QStandardItem(setting.description)
                labelItem.setIcon(icon)
                labelItem.setEditable(False)
                self.items[setting] = SettingItem(setting)
                groupItem.insertRow(0, [labelItem, self.items[setting]])

        """
        Filter 'Providers' items
        """
        providersItem = QStandardItem(self.tr('Providers'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'alg.png'))
        providersItem.setIcon(icon)
        providersItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)

        rootItem.insertRow(0, [providersItem, emptyItem])
        for group in settings.keys():
            if group in priorityKeys or group == menusSettingsGroup:
                continue

            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)

            for setting in settings[group]:
                if setting.hidden:
                    continue

                labelItem = QStandardItem(setting.description)
                labelItem.setIcon(icon)
                labelItem.setEditable(False)
                self.items[setting] = SettingItem(setting)
                groupItem.insertRow(0, [labelItem, self.items[setting]])

            emptyItem = QStandardItem()
            emptyItem.setEditable(False)
            providersItem.appendRow([groupItem, emptyItem])

        """
        Filter 'Menus' items
        """
        menusItem = QStandardItem(self.tr('Menus (requires restart)'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'menu.png'))
        menusItem.setIcon(icon)
        menusItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)

        rootItem.insertRow(0, [menusItem, emptyItem])

        providers = Processing.providers
        for provider in providers:
            providerDescription = provider.getDescription()
            groupItem = QStandardItem(providerDescription)
            icon = provider.getIcon()
            groupItem.setIcon(icon)
            groupItem.setEditable(False)

            for alg in provider.algs:
                algItem = QStandardItem(alg.name)
                algItem.setIcon(icon)
                algItem.setEditable(False)
                try:
                    settingMenu = ProcessingConfig.settings["MENU_" + alg.commandLineName()]
                    settingButton = ProcessingConfig.settings["BUTTON_" + alg.commandLineName()]
                    settingIcon = ProcessingConfig.settings["ICON_" + alg.commandLineName()]
                except:
                    continue
                self.items[settingMenu] = SettingItem(settingMenu)
                self.items[settingButton] = SettingItem(settingButton)
                self.items[settingIcon] = SettingItem(settingIcon)
                menuLabelItem = QStandardItem("Menu path")
                menuLabelItem.setEditable(False)
                buttonLabelItem = QStandardItem("Add button in toolbar")
                buttonLabelItem.setEditable(False)
                iconLabelItem = QStandardItem("Icon")
                iconLabelItem.setEditable(False)
                emptyItem = QStandardItem()
                emptyItem.setEditable(False)
                algItem.insertRow(0, [menuLabelItem, self.items[settingMenu]])
                algItem.insertRow(0, [buttonLabelItem, self.items[settingButton]])
                algItem.insertRow(0, [iconLabelItem, self.items[settingIcon]])
                groupItem.insertRow(0, [algItem, emptyItem])

            emptyItem = QStandardItem()
            emptyItem.setEditable(False)

            menusItem.appendRow([groupItem, emptyItem])

        self.tree.sortByColumn(0, Qt.AscendingOrder)
        self.adjustColumns()

    def accept(self):
        for setting in self.items.keys():
            if isinstance(setting.value, bool):
                setting.setValue(self.items[setting].checkState() == Qt.Checked)
            else:
                try:
                    setting.setValue(unicode(self.items[setting].text()))
                except ValueError as e:
                    QMessageBox.warning(self, self.tr('Wrong value'),
                                        self.tr('Wrong value for parameter "%s":\n\n%s' % (setting.description, unicode(e))))
                    return
            setting.save()
        Processing.updateAlgsList()
        updateMenus()

        QDialog.accept(self)

    def adjustColumns(self):
        self.tree.resizeColumnToContents(0)
        self.tree.resizeColumnToContents(1)
Пример #5
0
class ConfigDialog(BASE, WIDGET):
    def __init__(self, toolbox):
        super(ConfigDialog, self).__init__(None)
        self.setupUi(self)

        self.toolbox = toolbox
        self.groupIcon = QIcon()
        self.groupIcon.addPixmap(
            self.style().standardPixmap(QStyle.SP_DirClosedIcon), QIcon.Normal,
            QIcon.Off)
        self.groupIcon.addPixmap(
            self.style().standardPixmap(QStyle.SP_DirOpenIcon), QIcon.Normal,
            QIcon.On)

        if hasattr(self.searchBox, 'setPlaceholderText'):
            self.searchBox.setPlaceholderText(self.tr('Search...'))

        self.model = QStandardItemModel()
        self.tree.setModel(self.model)

        self.delegate = SettingDelegate()
        self.tree.setItemDelegateForColumn(1, self.delegate)

        self.searchBox.textChanged.connect(self.textChanged)

        self.fillTree()

        self.tree.expanded.connect(self.adjustColumns)

    def textChanged(self):
        text = unicode(self.searchBox.text().lower())
        self._filterItem(self.model.invisibleRootItem(), text)
        if text:
            self.tree.expandAll()
        else:
            self.tree.collapseAll()

    def _filterItem(self, item, text):
        if item.hasChildren():
            show = False
            for i in xrange(item.rowCount()):
                child = item.child(i)
                showChild = self._filterItem(child, text)
                show = (showChild or show)
            self.tree.setRowHidden(item.row(), item.index().parent(), not show)
            return show

        elif isinstance(item, QStandardItem):
            hide = bool(text) and (text not in item.text().lower())
            self.tree.setRowHidden(item.row(), item.index().parent(), hide)
            return not hide

    def fillTree(self):
        self.fillTreeUsingProviders()

    def fillTreeUsingProviders(self):
        self.items = {}
        self.model.clear()
        self.model.setHorizontalHeaderLabels(
            [self.tr('Setting'), self.tr('Value')])

        settings = ProcessingConfig.getSettings()

        rootItem = self.model.invisibleRootItem()
        """
        Filter 'General', 'Models' and 'Scripts' items
        """
        priorityKeys = [
            self.tr('General'),
            self.tr('Models'),
            self.tr('Scripts')
        ]
        for group in priorityKeys:
            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)
            emptyItem = QStandardItem()
            emptyItem.setEditable(False)

            rootItem.insertRow(0, [groupItem, emptyItem])
            # add menu item only if it has any search matches
            for setting in settings[group]:
                if setting.hidden or setting.name.startswith("MENU_"):
                    continue

                labelItem = QStandardItem(setting.description)
                labelItem.setIcon(icon)
                labelItem.setEditable(False)
                self.items[setting] = SettingItem(setting)
                groupItem.insertRow(0, [labelItem, self.items[setting]])
        """
        Filter 'Providers' items
        """
        providersItem = QStandardItem(self.tr('Providers'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'alg.png'))
        providersItem.setIcon(icon)
        providersItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)

        rootItem.insertRow(0, [providersItem, emptyItem])
        for group in settings.keys():
            if group in priorityKeys or group == menusSettingsGroup:
                continue

            groupItem = QStandardItem(group)
            icon = ProcessingConfig.getGroupIcon(group)
            groupItem.setIcon(icon)
            groupItem.setEditable(False)

            for setting in settings[group]:
                if setting.hidden:
                    continue

                labelItem = QStandardItem(setting.description)
                labelItem.setIcon(icon)
                labelItem.setEditable(False)
                self.items[setting] = SettingItem(setting)
                groupItem.insertRow(0, [labelItem, self.items[setting]])

            emptyItem = QStandardItem()
            emptyItem.setEditable(False)
            providersItem.appendRow([groupItem, emptyItem])
        """
        Filter 'Menus' items
        """
        menusItem = QStandardItem(self.tr('Menus (requires restart)'))
        icon = QIcon(os.path.join(pluginPath, 'images', 'menu.png'))
        menusItem.setIcon(icon)
        menusItem.setEditable(False)
        emptyItem = QStandardItem()
        emptyItem.setEditable(False)

        rootItem.insertRow(0, [menusItem, emptyItem])

        providers = Processing.providers
        for provider in providers:
            providerDescription = provider.getDescription()
            groupItem = QStandardItem(providerDescription)
            icon = provider.getIcon()
            groupItem.setIcon(icon)
            groupItem.setEditable(False)

            for alg in provider.algs:
                algItem = QStandardItem(alg.name)
                algItem.setIcon(icon)
                algItem.setEditable(False)
                try:
                    settingMenu = ProcessingConfig.settings[
                        "MENU_" + alg.commandLineName()]
                    settingButton = ProcessingConfig.settings[
                        "BUTTON_" + alg.commandLineName()]
                    settingIcon = ProcessingConfig.settings[
                        "ICON_" + alg.commandLineName()]
                except:
                    continue
                self.items[settingMenu] = SettingItem(settingMenu)
                self.items[settingButton] = SettingItem(settingButton)
                self.items[settingIcon] = SettingItem(settingIcon)
                menuLabelItem = QStandardItem("Menu path")
                menuLabelItem.setEditable(False)
                buttonLabelItem = QStandardItem("Add button in toolbar")
                buttonLabelItem.setEditable(False)
                iconLabelItem = QStandardItem("Icon")
                iconLabelItem.setEditable(False)
                emptyItem = QStandardItem()
                emptyItem.setEditable(False)
                algItem.insertRow(0, [menuLabelItem, self.items[settingMenu]])
                algItem.insertRow(0,
                                  [buttonLabelItem, self.items[settingButton]])
                algItem.insertRow(0, [iconLabelItem, self.items[settingIcon]])
                groupItem.insertRow(0, [algItem, emptyItem])

            emptyItem = QStandardItem()
            emptyItem.setEditable(False)

            menusItem.appendRow([groupItem, emptyItem])

        self.tree.sortByColumn(0, Qt.AscendingOrder)
        self.adjustColumns()

    def accept(self):
        for setting in self.items.keys():
            if isinstance(setting.value, bool):
                setting.setValue(
                    self.items[setting].checkState() == Qt.Checked)
            else:
                try:
                    setting.setValue(unicode(self.items[setting].text()))
                except ValueError as e:
                    QMessageBox.warning(
                        self, self.tr('Wrong value'),
                        self.tr('Wrong value for parameter "%s":\n\n%s' %
                                (setting.description, unicode(e))))
                    return
            setting.save()
        Processing.updateAlgsList()
        updateMenus()

        QDialog.accept(self)

    def adjustColumns(self):
        self.tree.resizeColumnToContents(0)
        self.tree.resizeColumnToContents(1)
Пример #6
0
class HistoryDialog(BASE, WIDGET):
    def __init__(self):
        super(HistoryDialog, self).__init__(None)
        self.setupUi(self)

        self.groupIcon = QIcon()
        self.groupIcon.addPixmap(
            self.style().standardPixmap(QStyle.SP_DirClosedIcon), QIcon.Normal,
            QIcon.Off)
        self.groupIcon.addPixmap(
            self.style().standardPixmap(QStyle.SP_DirOpenIcon), QIcon.Normal,
            QIcon.On)

        self.keyIcon = QIcon()
        self.keyIcon.addPixmap(self.style().standardPixmap(QStyle.SP_FileIcon))

        self.clearButton = QPushButton(self.tr('Clear'))
        self.clearButton.setToolTip(self.tr('Clear history'))
        self.buttonBox.addButton(self.clearButton, QDialogButtonBox.ActionRole)

        self.saveButton = QPushButton(self.tr('Save As...'))
        self.saveButton.setToolTip(self.tr('Save history'))
        self.buttonBox.addButton(self.saveButton, QDialogButtonBox.ActionRole)

        self.tree.doubleClicked.connect(self.executeAlgorithm)
        self.tree.currentItemChanged.connect(self.changeText)
        self.clearButton.clicked.connect(self.clearLog)
        self.saveButton.clicked.connect(self.saveLog)

        self.tree.setContextMenuPolicy(Qt.CustomContextMenu)
        self.tree.customContextMenuRequested.connect(self.showPopupMenu)

        self.fillTree()

    def clearLog(self):
        reply = QMessageBox.question(
            self, self.tr('Confirmation'),
            self.tr('Are you sure you want to clear the history?'),
            QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
        if reply == QMessageBox.Yes:
            ProcessingLog.clearLog()
            self.fillTree()

    def saveLog(self):
        fileName = QFileDialog.getSaveFileName(
            self, self.tr('Save file'), '.',
            self.tr('Log files (*.log *.LOG)'))

        if fileName == '':
            return

        if not fileName.lower().endswith('.log'):
            fileName += '.log'

        ProcessingLog.saveLog(fileName)

    def fillTree(self):
        self.tree.clear()
        elements = ProcessingLog.getLogEntries()
        for category in elements.keys():
            groupItem = QTreeWidgetItem()
            groupItem.setText(0, category)
            groupItem.setIcon(0, self.groupIcon)
            for entry in elements[category]:
                item = TreeLogEntryItem(
                    entry, category == ProcessingLog.LOG_ALGORITHM)
                item.setIcon(0, self.keyIcon)
                groupItem.insertChild(0, item)
            self.tree.addTopLevelItem(groupItem)

    def executeAlgorithm(self):
        item = self.tree.currentItem()
        if isinstance(item, TreeLogEntryItem):
            if item.isAlg:
                script = 'import processing\n'
                script += item.entry.text.replace('runalg(', 'runandload(')
                exec(script)

    def changeText(self):
        item = self.tree.currentItem()
        if isinstance(item, TreeLogEntryItem):
            self.text.setText(item.entry.text.replace('|', '\n'))

    def createTest(self):
        item = self.tree.currentItem()
        if isinstance(item, TreeLogEntryItem):
            if item.isAlg:
                TestTools.createTest(item.entry.text)

    def showPopupMenu(self, point):
        item = self.tree.currentItem()
        if isinstance(item, TreeLogEntryItem):
            if item.isAlg:
                popupmenu = QMenu()
                createTestAction = QAction(self.tr('Create test'), self.tree)
                createTestAction.triggered.connect(self.createTest)
                popupmenu.addAction(createTestAction)
                popupmenu.exec_(self.tree.mapToGlobal(point))
Пример #7
0
class HistoryDialog(BASE, WIDGET):

    def __init__(self):
        super(HistoryDialog, self).__init__(None)
        self.setupUi(self)

        self.groupIcon = QIcon()
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirClosedIcon), QIcon.Normal, QIcon.Off)
        self.groupIcon.addPixmap(self.style().standardPixmap(
            QStyle.SP_DirOpenIcon), QIcon.Normal, QIcon.On)

        self.keyIcon = QIcon()
        self.keyIcon.addPixmap(self.style().standardPixmap(QStyle.SP_FileIcon))

        self.clearButton = QPushButton(self.tr('Clear'))
        self.clearButton.setToolTip(self.tr('Clear history'))
        self.buttonBox.addButton(self.clearButton, QDialogButtonBox.ActionRole)

        self.saveButton = QPushButton(self.tr('Save As...'))
        self.saveButton.setToolTip(self.tr('Save history'))
        self.buttonBox.addButton(self.saveButton, QDialogButtonBox.ActionRole)

        self.tree.doubleClicked.connect(self.executeAlgorithm)
        self.tree.currentItemChanged.connect(self.changeText)
        self.clearButton.clicked.connect(self.clearLog)
        self.saveButton.clicked.connect(self.saveLog)

        self.tree.setContextMenuPolicy(Qt.CustomContextMenu)
        self.tree.customContextMenuRequested.connect(self.showPopupMenu)

        self.fillTree()

    def clearLog(self):
        reply = QMessageBox.question(self,
                                     self.tr('Confirmation'),
                                     self.tr('Are you sure you want to clear the history?'),
                                     QMessageBox.Yes | QMessageBox.No,
                                     QMessageBox.No
                                     )
        if reply == QMessageBox.Yes:
            ProcessingLog.clearLog()
            self.fillTree()

    def saveLog(self):
        fileName = QFileDialog.getSaveFileName(self,
                                               self.tr('Save file'), '.', self.tr('Log files (*.log *.LOG)'))

        if fileName == '':
            return

        if not fileName.lower().endswith('.log'):
            fileName += '.log'

        ProcessingLog.saveLog(fileName)

    def fillTree(self):
        self.tree.clear()
        elements = ProcessingLog.getLogEntries()
        for category in elements.keys():
            groupItem = QTreeWidgetItem()
            groupItem.setText(0, category)
            groupItem.setIcon(0, self.groupIcon)
            for entry in elements[category]:
                item = TreeLogEntryItem(entry, category
                                        == ProcessingLog.LOG_ALGORITHM)
                item.setIcon(0, self.keyIcon)
                groupItem.insertChild(0, item)
            self.tree.addTopLevelItem(groupItem)

    def executeAlgorithm(self):
        item = self.tree.currentItem()
        if isinstance(item, TreeLogEntryItem):
            if item.isAlg:
                script = 'import processing\n'
                script += item.entry.text.replace('runalg(', 'runandload(')
                exec(script)

    def changeText(self):
        item = self.tree.currentItem()
        if isinstance(item, TreeLogEntryItem):
            self.text.setText(item.entry.text.replace('|', '\n'))

    def createTest(self):
        item = self.tree.currentItem()
        if isinstance(item, TreeLogEntryItem):
            if item.isAlg:
                TestTools.createTest(item.entry.text)

    def showPopupMenu(self, point):
        item = self.tree.currentItem()
        if isinstance(item, TreeLogEntryItem):
            if item.isAlg:
                popupmenu = QMenu()
                createTestAction = QAction(self.tr('Create test'), self.tree)
                createTestAction.triggered.connect(self.createTest)
                popupmenu.addAction(createTestAction)
                popupmenu.exec_(self.tree.mapToGlobal(point))