[processing][feature] load default script from template

Author: ghtmtt

images/themes/default/mActionOpenFromTemplate.svg

@@ -72,6 +72,8 @@ def __init__(self, filePath=None, parent=None):
             QgsApplication.getThemeIcon('/mActionFileSave.svg'))
         self.actionSaveScriptAs.setIcon(
             QgsApplication.getThemeIcon('/mActionFileSaveAs.svg'))
+        self.actionLoadFromTemplate.setIcon(
+            QgsApplication.getThemeIcon('/mActionOpenFromTemplate.svg'))
         self.actionRunScript.setIcon(
             QgsApplication.getThemeIcon('/mActionStart.svg'))
         self.actionCut.setIcon(
@@ -95,6 +97,7 @@ def __init__(self, filePath=None, parent=None):
         self.actionOpenScript.triggered.connect(self.openScript)
         self.actionSaveScript.triggered.connect(self.save)
         self.actionSaveScriptAs.triggered.connect(self.saveAs)
+        self.actionLoadFromTemplate.triggered.connect(self.loadFrom)
         self.actionRunScript.triggered.connect(self.runAlgorithm)
         self.actionCut.triggered.connect(self.editor.cut)
         self.actionCopy.triggered.connect(self.editor.copy)
@@ -166,6 +169,22 @@ def save(self):
     def saveAs(self):
         self.saveScript(True)
 
+    def loadFrom(self):
+        if self.hasChanged:
+            ret = QMessageBox.warning(self,
+                                      self.tr("Unsaved changes"),
+                                      self.tr("There are unsaved changes in the script. Continue?"),
+                                      QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
+            if ret == QMessageBox.No:
+                return
+
+        templatePath = os.path.join(
+            pluginPath, 'script', 'script_template.py')
+
+        with codecs.open(templatePath, 'r', encoding='utf-8') as f:
+            templateTxt = f.read()
+            self.editor.setText(templateTxt)
+
     def saveScript(self, saveAs):
         newPath = None
         if self.filePath is None or saveAs:

python/plugins/processing/script/ScriptEditorDialog.py

@@ -106,6 +106,7 @@
    <addaction name="actionOpenScript"/>
    <addaction name="actionSaveScript"/>
    <addaction name="actionSaveScriptAs"/>
+   <addaction name="actionLoadFromTemplate"/>
    <addaction name="separator"/>
    <addaction name="separator"/>
    <addaction name="actionRunScript"/>
@@ -155,6 +156,17 @@
     <string>Ctrl+Shift+S</string>
    </property>
   </action>
+  <action name="actionLoadFromTemplate">
+   <property name="text">
+    <string>Load script from template...</string>
+   </property>
+   <property name="toolTip">
+    <string>oad script from template...</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Shift+M</string>
+   </property>
+  </action>
   <action name="actionRunScript">
    <property name="text">
     <string>Run script</string>