#60 - add snippets for annotations and expectations

sqldev/src/main/java/org/utplsql/sqldev/model/XMLTools.xtend

@@ -14,6 +14,11 @@
  */
 package org.utplsql.sqldev.model
 
+import java.io.StringWriter
+import javax.xml.transform.OutputKeys
+import javax.xml.transform.TransformerFactory
+import javax.xml.transform.dom.DOMSource
+import javax.xml.transform.stream.StreamResult
 import javax.xml.xpath.XPathConstants
 import javax.xml.xpath.XPathFactory
 import org.w3c.dom.Node
@@ -34,4 +39,29 @@ class XMLTools {
 		val Node node = expr.evaluate(doc, XPathConstants.NODE) as Node
 		return node 
 	}
-}
+
+	def void trimWhitespace(Node node) {
+		val children = node.childNodes
+		for (i : 0 ..< children.length) {
+			val child = children.item(i)
+			if (child.nodeType == Node.TEXT_NODE) {
+				child.textContent = child.textContent.trim
+			}
+			trimWhitespace(child);
+		}
+	}
+
+	def nodeToString(Node node, String cdataSectionElements) {
+		node.trimWhitespace
+		val writer = new StringWriter()
+		val factory = TransformerFactory.newInstance().newTransformer()
+		factory.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes")
+		factory.setOutputProperty(OutputKeys.INDENT, "yes")
+		factory.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "3");
+		factory.setOutputProperty(OutputKeys.CDATA_SECTION_ELEMENTS, cdataSectionElements)
+		factory.transform(new DOMSource(node), new StreamResult(writer))
+		val result = writer.toString()
+		val fixedResult = result.replaceAll('''<!\[CDATA\[\s*\]\]>''',"")
+		return fixedResult
+	}
+}

sqldev/src/main/java/org/utplsql/sqldev/snippet/SnippetMerger.xtend

@@ -0,0 +1,90 @@
+/*
+ * Copyright 2019 Philipp Salvisberg <philipp.salvisberg@trivadis.com>
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.utplsql.sqldev.snippet
+
+import java.io.BufferedReader
+import java.io.File
+import java.io.IOException
+import java.io.InputStreamReader
+import java.io.StringReader
+import java.nio.charset.Charset
+import java.nio.file.Files
+import java.nio.file.Paths
+import java.util.stream.Collectors
+import javax.xml.parsers.DocumentBuilderFactory
+import oracle.dbtools.util.Resource
+import org.utplsql.sqldev.model.XMLTools
+import org.xml.sax.InputSource
+
+class SnippetMerger {
+	val extension XMLTools xmlTools = new XMLTools
+	File userSnippetsFile 
+	String utplsqlSnippets 
+
+	def getUtplsqlSnippetsAsString() throws IOException {
+		val stream = class.getResourceAsStream("/org/utplsql/sqldev/resources/UtplsqlSnippets.xml")
+		val reader = new BufferedReader(new InputStreamReader(stream, Charset.defaultCharset))
+		return reader.lines.collect(Collectors.joining(System.lineSeparator))
+	}
+
+	new() {
+		// works in SQL Developer only, otherwise a ExceptionInInitializerError is thrown
+		this (new File(Resource.RAPTOR_USER.absolutePath + File.separator + "UserSnippets.xml"))
+	}
+
+	new(File file) {
+		utplsqlSnippets = utplsqlSnippetsAsString 
+		userSnippetsFile = file		
+	}
+
+	def merge() {
+		var String result
+		if (userSnippetsFile.exists) {
+			// file exists, proper merge required
+			val userSnippets = new String(Files.readAllBytes(Paths.get(userSnippetsFile.absolutePath)))
+			val docBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder()
+			val	userSnippetsDoc = docBuilder.parse(new InputSource(new StringReader(userSnippets)))
+			val userSnippetsGroups = userSnippetsDoc.getNodeList('''/snippets/group[not(@category="utPLSQL Annotations" or @category="utPLSQL Expectations")]''')
+			val	utplsqlSnippetsDoc = docBuilder.parse(new InputSource(new StringReader(utplsqlSnippets)))
+			val utplsqlSnippetsGroups = utplsqlSnippetsDoc.getNodeList('''/snippets/group''')			
+			result = '''
+				<?xml version = '1.0' encoding = 'UTF-8'?>
+				<snippets>
+				   «FOR i : 0 ..< userSnippetsGroups.length»
+				      «userSnippetsGroups.item(i).nodeToString("code")»
+				   «ENDFOR»
+				   «FOR i : 0 ..< utplsqlSnippetsGroups.length»
+				      «utplsqlSnippetsGroups.item(i).nodeToString("code")»
+				   «ENDFOR»
+				</snippets>
+			'''
+		} else {
+			// just copy
+			result = utplsqlSnippets
+
+		}
+		Files.write(Paths.get(userSnippetsFile.absolutePath), result.bytes)
+	}
+
+	def getTemplate() {
+		return utplsqlSnippets
+	}
+
+	def getFile() {
+		return userSnippetsFile
+	}
+
+}

sqldev/src/main/java/org/utplsql/sqldev/ui/preference/PreferencePanel.xtend

@@ -20,6 +20,7 @@ import java.awt.event.ActionListener
 import java.util.Map
 import javax.swing.JButton
 import javax.swing.JCheckBox
+import javax.swing.JOptionPane
 import javax.swing.JPanel
 import javax.swing.JSpinner
 import javax.swing.JTabbedPane
@@ -33,6 +34,7 @@ import oracle.ide.panels.TraversalException
 import oracle.javatools.ui.layout.FieldLayoutBuilder
 import org.utplsql.sqldev.model.preference.PreferenceModel
 import org.utplsql.sqldev.resources.UtplsqlResources
+import org.utplsql.sqldev.snippet.SnippetMerger
 import org.utplsql.sqldev.ui.common.DirectoryChooser
 
 class PreferencePanel extends DefaultTraversablePanel {
@@ -43,6 +45,7 @@ class PreferencePanel extends DefaultTraversablePanel {
 	val JCheckBox clearScreenCheckBox = new JCheckBox
 	val JCheckBox autoExecuteCheckBox = new JCheckBox
 	val JCheckBox checkRunUtplsqlTestCheckBox = new JCheckBox
+	val JButton importSnippetsButton = new JButton(UtplsqlResources.getString("PREF_IMPORT_SNIPPETS_BUTTON_LABEL"))
 	val JPanel realtimeReporterPanel = new JPanel
 	val SpinnerNumberModel numberOfRunsInHistoryModel = new SpinnerNumberModel(1, 1, 100, 1);
 	val JSpinner numberOfRunsInHistorySpinner = new JSpinner(numberOfRunsInHistoryModel);
@@ -101,6 +104,7 @@ class PreferencePanel extends DefaultTraversablePanel {
 		runTab.add(
 			runTab.field.label.withText(UtplsqlResources.getString("PREF_CHECK_RUN_UTPLSQL_TEST_LABEL")).component(
 				checkRunUtplsqlTestCheckBox))
+		runTab.addRow(importSnippetsButton)
 		runTab.addVerticalSpring
 
 		// realtime reporter group
@@ -200,6 +204,13 @@ class PreferencePanel extends DefaultTraversablePanel {
 		builder.addVerticalField("", tabbedPane)
 		builder.addVerticalSpring
 
+		// register action listener for import snippets button 
+		importSnippetsButton.addActionListener(new ActionListener() {
+			override actionPerformed(ActionEvent event) {
+				importSnippets
+			}			
+		})
+
 		// register action listener for create code template button 
 		createCodeTemplatesButton.addActionListener(new ActionListener() {
 			override actionPerformed(ActionEvent event) {
@@ -216,6 +227,15 @@ class PreferencePanel extends DefaultTraversablePanel {
 		})		
 	}
 
+	private def importSnippets() {
+		val snippetMerger = new SnippetMerger
+		snippetMerger.merge
+		val file = snippetMerger.file.absolutePath
+		val message = String.format(UtplsqlResources.getString("PREF_CONFIRM_IMPORT_MESSAGE"), file)
+		JOptionPane.showMessageDialog(null, message, UtplsqlResources.getString("PREF_CONFIRM_IMPORT_TITLE"),
+			JOptionPane.INFORMATION_MESSAGE);
+	}
+
 	private def loadCodeTemplates() {
 		val Map<String, String> map = CodeTemplateUtil.loadFiles()
 		for (key : map.keySet) {

sqldev/src/main/resources/org/utplsql/sqldev/resources/UtplsqlResources.properties

@@ -31,6 +31,7 @@ PREF_RESET_PACKAGE_LABEL=Reset package before running utPLSQL?
 PREF_CLEAR_SCREEN_LABEL=Clear script output panel before running utPLSQL?
 PREF_AUTO_EXECUTE_LABEL=Execute unit test automatically?
 PREF_CHECK_RUN_UTPLSQL_TEST_LABEL=Check availability of menu option?
+PREF_IMPORT_SNIPPETS_BUTTON_LABEL=Import Snippets
 MENU_REALTIME_REPORTER_LABEL=Realtime Reporter
 PREF_NUMBER_OF_RUNS_IN_HISTORY_LABEL=Number of runs in history
 PREF_SHOW_DISABLED_COUNTER_LABEL=Show disabled counter?
@@ -56,6 +57,8 @@ PREF_GENERATE_FILES_LABEL=Generate files?
 PREF_OUTPUT_DIRECTORY_LABEL=Output directory
 PREF_OUTPUT_DIRECTORY_BUTTON_LABEL=Browse
 PREF_DELETE_EXISTING_FILES_LABEL=Delete existing files in output directory?
+PREF_CONFIRM_IMPORT_TITLE=Snippets imported
+PREF_CONFIRM_IMPORT_MESSAGE=Snippets imported into %s. Please restart SQL Developer for this change to take effect.
 MENU_RUN_TEST_LABEL=Run utPLSQL test
 MENU_CODE_COVERAGE_LABEL=Code coverage...
 MENU_GENERATE_TEST_LABEL=Generate utPLSQL test

sqldev/src/main/resources/org/utplsql/sqldev/resources/UtplsqlResources_de.properties

@@ -8,6 +8,7 @@ PREF_RESET_PACKAGE_LABEL=Package vor der Ausf
 PREF_CLEAR_SCREEN_LABEL=Skriptausgabe-Fenster vor der Ausführung von utPLSQL leeren?
 PREF_AUTO_EXECUTE_LABEL=Unit Test automatisch ausführen?
 PREF_CHECK_RUN_UTPLSQL_TEST_LABEL=Verfügbarkeit der Menüoption prüfen?
+PREF_IMPORT_SNIPPETS_BUTTON_LABEL=Code-Schnipsel importieren
 MENU_REALTIME_REPORTER_LABEL=Realtime Reporter
 PREF_NUMBER_OF_RUNS_IN_HISTORY_LABEL=Anzahl Ausführungen in der Historie
 PREF_SHOW_DISABLED_COUNTER_LABEL=Deaktiviert-Zähler  anzeigen?
@@ -33,6 +34,8 @@ PREF_GENERATE_FILES_LABEL=Dateien generieren?
 PREF_OUTPUT_DIRECTORY_LABEL=Ausgabeverzeichnis
 PREF_OUTPUT_DIRECTORY_BUTTON_LABEL=Auswählen
 PREF_DELETE_EXISTING_FILES_LABEL=Bestehende Dateien im Ausgabeverzeichnis löschen?
+PREF_CONFIRM_IMPORT_TITLE=Code-Schnipsel importiert
+PREF_CONFIRM_IMPORT_MESSAGE=Code-Schnipsel in %s importiert. Bitte starten Sie den SQL Developer neu, um diese Änderung zu aktivieren.
 MENU_RUN_TEST_LABEL=utPLSQL Test ausführen
 MENU_CODE_COVERAGE_LABEL=Codeabdeckung...
 MENU_GENERATE_TEST_LABEL=utPLSQL Test generieren