BUG: Make more strings translatable

Marked strings that were found to be non-translatable in Slicer/SlicerLanguagePacks#41

Extensions/Testing/ScriptedLoadableExtensionTemplate/ScriptedLoadableModuleTemplate/ScriptedLoadableModuleTemplate.py

@@ -4,6 +4,8 @@
 import qt
 
 import slicer
+from slicer.i18n import tr as _
+from slicer.i18n import translate
 from slicer.ScriptedLoadableModule import *
 from slicer.util import TESTING_DATA_URL
 
@@ -19,19 +21,20 @@ class ScriptedLoadableModuleTemplate(ScriptedLoadableModule):
 
     def __init__(self, parent):
         ScriptedLoadableModule.__init__(self, parent)
-        self.parent.title = "ScriptedLoadableModuleTemplate"  # TODO make this more human readable by adding spaces
-        self.parent.categories = ["Examples"]
+        self.parent.title = _("ScriptedLoadableModuleTemplate")  # TODO make this more human readable by adding spaces
+        self.parent.categories = [translate("qSlicerAbstractCoreModule", "Examples")]
         self.parent.dependencies = []
         self.parent.contributors = ["John Doe (AnyWare Corp.)"]  # replace with "Firstname Lastname (Organization)"
-        self.parent.helpText = """
+        # _() function marks text as translatable to other languages
+        self.parent.helpText = _("""
 This is an example of scripted loadable module bundled in an extension.
 It performs a simple thresholding on the input volume and optionally captures a screenshot.
-"""
+""")
         self.parent.helpText += self.getDefaultModuleDocumentationLink()
-        self.parent.acknowledgementText = """
+        self.parent.acknowledgementText = _("""
 This file was originally developed by Jean-Christophe Fillion-Robin, Kitware Inc.
 and Steve Pieper, Isomics, Inc. and was partially funded by NIH grant 3P41RR013218-12S1.
-"""  # replace with organization, grant and thanks.
+""")  # replace with organization, grant and thanks.
 
 #
 # ScriptedLoadableModuleTemplateWidget
@@ -70,8 +73,8 @@ def setup(self):
         self.inputSelector.showHidden = False
         self.inputSelector.showChildNodeTypes = False
         self.inputSelector.setMRMLScene(slicer.mrmlScene)
-        self.inputSelector.setToolTip("Pick the input to the algorithm.")
-        parametersFormLayout.addRow("Input Volume: ", self.inputSelector)
+        self.inputSelector.setToolTip(_("Pick the input to the algorithm."))
+        parametersFormLayout.addRow(_("Input Volume: "), self.inputSelector)
 
         #
         # output volume selector
@@ -85,8 +88,8 @@ def setup(self):
         self.outputSelector.showHidden = False
         self.outputSelector.showChildNodeTypes = False
         self.outputSelector.setMRMLScene(slicer.mrmlScene)
-        self.outputSelector.setToolTip("Pick the output to the algorithm.")
-        parametersFormLayout.addRow("Output Volume: ", self.outputSelector)
+        self.outputSelector.setToolTip(_("Pick the output to the algorithm."))
+        parametersFormLayout.addRow(_("Output Volume: "), self.outputSelector)
 
         #
         # threshold value
@@ -96,22 +99,23 @@ def setup(self):
         self.imageThresholdSliderWidget.minimum = -100
         self.imageThresholdSliderWidget.maximum = 100
         self.imageThresholdSliderWidget.value = 0.5
-        self.imageThresholdSliderWidget.setToolTip("Set threshold value for computing the output image. Voxels that have intensities lower than this value will set to zero.")
-        parametersFormLayout.addRow("Image threshold", self.imageThresholdSliderWidget)
+        self.imageThresholdSliderWidget.setToolTip(
+            _("Set threshold value for computing the output image. Voxels that have intensities lower than this value will set to zero."))
+        parametersFormLayout.addRow(_("Image threshold"), self.imageThresholdSliderWidget)
 
         #
         # check box to trigger taking screen shots for later use in tutorials
         #
         self.enableScreenshotsFlagCheckBox = qt.QCheckBox()
         self.enableScreenshotsFlagCheckBox.checked = 0
-        self.enableScreenshotsFlagCheckBox.setToolTip("If checked, take screen shots for tutorials. Use Save Data to write them to disk.")
-        parametersFormLayout.addRow("Enable Screenshots", self.enableScreenshotsFlagCheckBox)
+        self.enableScreenshotsFlagCheckBox.setToolTip(_("If checked, take screen shots for tutorials. Use Save Data to write them to disk."))
+        parametersFormLayout.addRow(_("Enable Screenshots"), self.enableScreenshotsFlagCheckBox)
 
         #
         # Apply Button
         #
-        self.applyButton = qt.QPushButton("Apply")
-        self.applyButton.toolTip = "Run the algorithm."
+        self.applyButton = qt.QPushButton(_("Apply"))
+        self.applyButton.toolTip = _("Run the algorithm.")
         self.applyButton.enabled = False
         parametersFormLayout.addRow(self.applyButton)
 
@@ -186,7 +190,7 @@ def run(self, inputVolume, outputVolume, imageThreshold):
         """
 
         if not self.isValidInputOutputData(inputVolume, outputVolume):
-            slicer.util.errorDisplay('Input volume is the same as output volume. Choose a different output volume.')
+            slicer.util.errorDisplay(_('Input volume is the same as output volume. Choose a different output volume.'))
             return False
 
         logging.info('Processing started')

Extensions/Testing/ScriptedSegmentEditorEffectExtensionTemplate/ScriptedSegmentEditorEffectModuleTemplate/SegmentEditorScriptedSegmentEditorEffectModuleTemplate.py

@@ -2,6 +2,8 @@
 import vtk
 
 import slicer
+from slicer.i18n import tr as _
+from slicer.i18n import translate
 from slicer.ScriptedLoadableModule import *
 
 
@@ -12,14 +14,14 @@ class SegmentEditorScriptedSegmentEditorEffectModuleTemplate(ScriptedLoadableMod
 
     def __init__(self, parent):
         ScriptedLoadableModule.__init__(self, parent)
-        self.parent.title = "SegmentEditorScriptedSegmentEditorEffectModuleTemplate"
-        self.parent.categories = ["Segmentation"]
+        self.parent.title = _("SegmentEditorScriptedSegmentEditorEffectModuleTemplate")
+        self.parent.categories = [translate("qSlicerAbstractCoreModule", "Segmentation")]
         self.parent.dependencies = ["Segmentations"]
         self.parent.contributors = ["Andras Lasso (PerkLab)"]
         self.parent.hidden = True
-        self.parent.helpText = "This hidden module registers the segment editor effect"
+        self.parent.helpText = _("This hidden module registers the segment editor effect")
         self.parent.helpText += self.getDefaultModuleDocumentationLink()
-        self.parent.acknowledgementText = "Supported by NA-MIC, NAC, BIRN, NCIGT, and the Slicer Community. See https://www.slicer.org for details."
+        self.parent.acknowledgementText = _("Supported by NA-MIC, NAC, BIRN, NCIGT, and the Slicer Community. See https://www.slicer.org for details.")
         slicer.app.connect("startupCompleted()", self.registerEditorEffect)
 
     def registerEditorEffect(self):

Modules/Loadable/Models/qSlicerModelsModule.cxx

@@ -71,7 +71,7 @@ qSlicerModelsModule::~qSlicerModelsModule() = default;
 //-----------------------------------------------------------------------------
 QString qSlicerModelsModule::helpText()const
 {
-  QString help =
+  QString help = tr(
     "The Models Module loads and adjusts display parameters of models such as Color, Transparency, and Clipping.<br>"
     "Save models via the File menu, Save button.<br>"
     "The Add 3D model or a model directory button will allow you to load any "
@@ -86,7 +86,7 @@ QString qSlicerModelsModule::helpText()const
     "Clipping is turned on for a model in the Display pane, and the slice "
     "planes that will clip the model are selected in the Clipping pane.<br>"
     "The Model Hierarchy pane allows you to group models together and set the "
-    "group's properties.";
+    "group's properties.");
   help += this->defaultDocumentationLink();
   return help;
 }

Modules/Loadable/VolumeRendering/qSlicerVolumeRenderingModule.cxx

@@ -93,15 +93,15 @@ QString qSlicerVolumeRenderingModule::helpText()const
 QString qSlicerVolumeRenderingModule::acknowledgementText()const
 {
   QString acknowledgement =
-    tr("<center><table border=\"0\"><tr>"
+    "<center><table border=\"0\"><tr>"
     "<td><img src=\":Logos/NAMIC.png\" alt\"NA-MIC\"></td>"
     "<td><img src=\":Logos/NAC.png\" alt\"NAC\"></td>"
     "</tr><tr>"
     "<td><img src=\":Logos/BIRN-NoText.png\" alt\"BIRN\"></td>"
     "<td><img src=\":Logos/NCIGT.png\" alt\"NCIGT\"></td>"
     "</tr></table></center>"
-    "This work is supported by NA-MIC, NAC, BIRN, NCIGT, and the Slicer Community."
-    "Some of the transfer functions were contributed by Kitware Inc. (VolView)");
+    + tr("This work is supported by NA-MIC, NAC, BIRN, NCIGT, and the Slicer Community."
+      " Some of the transfer functions were contributed by Kitware Inc. (VolView)");
   return acknowledgement;
 }
 

Modules/Scripted/CropVolumeSequence/CropVolumeSequence.py

@@ -5,6 +5,8 @@
 import vtk
 
 import slicer
+from slicer.i18n import tr as _
+from slicer.i18n import translate
 from slicer.ScriptedLoadableModule import *
 
 
@@ -20,14 +22,14 @@ class CropVolumeSequence(ScriptedLoadableModule):
     def __init__(self, parent):
         ScriptedLoadableModule.__init__(self, parent)
         self.parent.title = "Crop volume sequence"
-        self.parent.categories = ["Sequences"]
+        self.parent.categories = [translate("qSlicerAbstractCoreModule", "Sequences")]
         self.parent.dependencies = []
         self.parent.contributors = ["Andras Lasso (PerkLab, Queen's University)"]
-        self.parent.helpText = """This module can crop and resample a volume sequence to reduce its size for faster rendering and processing."""
+        self.parent.helpText = _("""This module can crop and resample a volume sequence to reduce its size for faster rendering and processing.""")
         self.parent.helpText += self.getDefaultModuleDocumentationLink()
-        self.parent.acknowledgementText = """
+        self.parent.acknowledgementText = _("""
 This file was originally developed by Andras Lasso
-"""
+""")
 
 
 #
@@ -48,7 +50,7 @@ def setup(self):
         # Parameters Area
         #
         parametersCollapsibleButton = ctk.ctkCollapsibleButton()
-        parametersCollapsibleButton.text = "Parameters"
+        parametersCollapsibleButton.text = _("Parameters")
         self.layout.addWidget(parametersCollapsibleButton)
 
         # Layout within the dummy collapsible button
@@ -65,8 +67,8 @@ def setup(self):
         self.inputSelector.showHidden = False
         self.inputSelector.showChildNodeTypes = False
         self.inputSelector.setMRMLScene(slicer.mrmlScene)
-        self.inputSelector.setToolTip("Pick a sequence node of volumes that will be cropped and resampled.")
-        parametersFormLayout.addRow("Input volume sequence: ", self.inputSelector)
+        self.inputSelector.setToolTip(_("Pick a sequence node of volumes that will be cropped and resampled."))
+        parametersFormLayout.addRow(_("Input volume sequence: "), self.inputSelector)
 
         #
         # output volume selector
@@ -77,12 +79,12 @@ def setup(self):
         self.outputSelector.addEnabled = True
         self.outputSelector.removeEnabled = True
         self.outputSelector.noneEnabled = True
-        self.outputSelector.noneDisplay = "(Overwrite input)"
+        self.outputSelector.noneDisplay = _("(Overwrite input)")
         self.outputSelector.showHidden = False
         self.outputSelector.showChildNodeTypes = False
         self.outputSelector.setMRMLScene(slicer.mrmlScene)
-        self.outputSelector.setToolTip("Pick a sequence node where the cropped and resampled volumes will be stored.")
-        parametersFormLayout.addRow("Output volume sequence: ", self.outputSelector)
+        self.outputSelector.setToolTip(_("Pick a sequence node where the cropped and resampled volumes will be stored."))
+        parametersFormLayout.addRow(_("Output volume sequence: "), self.outputSelector)
 
         #
         # Crop parameters selector
@@ -97,23 +99,23 @@ def setup(self):
         self.cropParametersSelector.showHidden = True
         self.cropParametersSelector.showChildNodeTypes = False
         self.cropParametersSelector.setMRMLScene(slicer.mrmlScene)
-        self.cropParametersSelector.setToolTip("Select a crop volumes parameters.")
+        self.cropParametersSelector.setToolTip(_("Select a crop volumes parameters."))
 
         self.editCropParametersButton = qt.QPushButton()
         self.editCropParametersButton.setIcon(qt.QIcon(':Icons/Go.png'))
         # self.editCropParametersButton.setMaximumWidth(60)
         self.editCropParametersButton.enabled = True
-        self.editCropParametersButton.toolTip = "Go to Crop Volume module to edit cropping parameters."
+        self.editCropParametersButton.toolTip = _("Go to Crop Volume module to edit cropping parameters.")
         hbox = qt.QHBoxLayout()
         hbox.addWidget(self.cropParametersSelector)
         hbox.addWidget(self.editCropParametersButton)
-        parametersFormLayout.addRow("Crop volume settings: ", hbox)
+        parametersFormLayout.addRow(_("Crop volume settings: "), hbox)
 
         #
         # Apply Button
         #
-        self.applyButton = qt.QPushButton("Apply")
-        self.applyButton.toolTip = "Run the algorithm."
+        self.applyButton = qt.QPushButton(_("Apply"))
+        self.applyButton.toolTip = _("Run the algorithm.")
         self.applyButton.enabled = False
         parametersFormLayout.addRow(self.applyButton)
 

Modules/Scripted/DMRIInstall/DMRIInstall.py

@@ -4,6 +4,8 @@
 import qt
 
 import slicer
+from slicer.i18n import tr as _
+from slicer.i18n import translate
 from slicer.ScriptedLoadableModule import *
 
 
@@ -64,18 +66,18 @@ def __init__(self, parent):
 
         ScriptedLoadableModule.__init__(self, parent)
 
-        self.parent.categories = ["Diffusion"]
-        self.parent.title = "Install Slicer Diffusion Tools (SlicerDMRI)"
+        self.parent.categories = [translate("qSlicerAbstractCoreModule", "Diffusion")]
+        self.parent.title = _("Install Slicer Diffusion Tools (SlicerDMRI)")
         self.parent.dependencies = []
         self.parent.contributors = ["Isaiah Norton (BWH), Lauren O'Donnell (BWH)"]
         self.parent.helpText = DMRIInstall.helpText
         self.parent.helpText += self.getDefaultModuleDocumentationLink()
         self.parent.acknowledgementText = textwrap.dedent(
-            """
+            _("""
     SlicerDMRI supported by NIH NCI ITCR U01CA199459 (Open Source Diffusion MRI
     Technology For Brain Cancer Research), and made possible by NA-MIC, NAC,
     BIRN, NCIGT, and the Slicer Community.
-    """)
+    """))
 
 
 class DMRIInstallWidget(ScriptedLoadableModuleWidget):
@@ -94,8 +96,8 @@ def setup(self):
         #
         # Apply Button
         #
-        self.applyButton = qt.QPushButton("Install SlicerDMRI")
-        self.applyButton.toolTip = 'Installs the "SlicerDMRI" extension from the Diffusion category.'
+        self.applyButton = qt.QPushButton(_("Install SlicerDMRI"))
+        self.applyButton.toolTip = _('Installs the "SlicerDMRI" extension from the Diffusion category.')
         self.applyButton.icon = qt.QIcon(":/Icons/ExtensionDefaultIcon.png")
         self.applyButton.enabled = True
         self.applyButton.connect('clicked()', self.onApply)
@@ -112,7 +114,7 @@ def onApply(self):
         emm = slicer.app.extensionsManagerModel()
 
         if emm.isExtensionInstalled("SlicerDMRI"):
-            self.textBox.setHtml("<h4>SlicerDMRI is already installed.<h4>")
+            self.textBox.setHtml("<h4>" + _("SlicerDMRI is already installed.") + "<h4>")
             self.applyButton.enabled = False
             return
 
@@ -122,4 +124,4 @@ def onApply(self):
         if not emm.downloadAndInstallExtensionByName(extensionName, True, True):  # install dependencies, wait for installation to finish
             return self.onError()
 
-        slicer.app.confirmRestart("Restart to complete SlicerDMRI installation?")
+        slicer.app.confirmRestart(_("Restart to complete SlicerDMRI installation?"))