Java fx smart code econ

Smart Code editors with JavaFX (and e4) Tom Schindl <tom.schindl@bestsolution.at> Twitter: @tomsontom Blog: http://tomsondev.bestsolution.at Website: http://www.bestsolution.at

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 About Me ‣ CTO BestSolution.at Systemhaus GmbH ‣ Eclipse Committer ‣ e4 ‣ Platform ‣ EMF ‣ Project lead ‣ e(fx)clipse ‣ Twitter: @tomsontom ‣ Blog: tomsondev.bestsolution.at ‣ Cooperate: http://bestsolution.at

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Today

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Today ‣ Current situation ‣ Eclipse 4 Application Platform does not support editors ‣ Eclipse IDE / Eclipse 3.x RCP is still required to get an editor framework

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Today ‣ Current situation ‣ Eclipse 4 Application Platform does not support editors ‣ Eclipse IDE / Eclipse 3.x RCP is still required to get an editor framework ‣ Future situation ‣ Eclipse 4 should support editors natively ‣ Loosely coupled components / services who work in Eclipse4, plain Java, jigsaw world

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 3.x Codeeditors ‣ Should we directly port the 3.x code-editor stuff to Eclipse 4?

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 3.x Codeeditors ‣ Should we directly port the 3.x code-editor stuff to Eclipse 4? EditorPart

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 3.x Codeeditors ‣ Should we directly port the 3.x code-editor stuff to Eclipse 4? EditorPart AbstractTextEditor

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 3.x Codeeditors ‣ Should we directly port the 3.x code-editor stuff to Eclipse 4? EditorPart AbstractTextEditor JavaEditor DartEditor …Editor

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Codeeditors the e4 way ‣ Editors in a DI/Service env

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Syntax-Highlighting Codeeditors the e4 way ‣ Editors in a DI/Service env

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Syntax-Highlighting Error Marker Codeeditors the e4 way ‣ Editors in a DI/Service env

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Syntax-Highlighting Documentation Info Error Marker Codeeditors the e4 way ‣ Editors in a DI/Service env

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Syntax-Highlighting Autocomplete Documentation Info Error Marker Codeeditors the e4 way ‣ Editors in a DI/Service env

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 IEditorInput replacement ‣ Basic API is named Input<O>

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 IEditorInput replacement ‣ Basic API is named Input<O> public interface Input<O> { public void dispose(); public O getData(); public void setData(O data); public void persist(); }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 IEditorInput replacement ‣ Basic API is named Input<O> public interface Input<O> { public void dispose(); public O getData(); public void setData(O data); public void persist(); } Input<O>

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 IEditorInput replacement ‣ Basic API is named Input<O> public interface Input<O> { public void dispose(); public O getData(); public void setData(O data); public void persist(); } Input<O> StringInput<String>

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 IEditorInput replacement ‣ Basic API is named Input<O> public interface Input<O> { public void dispose(); public O getData(); public void setData(O data); public void persist(); } Input<O> StringInput<String> SourceFileInput

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 IEditorInput replacement ‣ Basic API is named Input<O> public interface Input<O> { public void dispose(); public O getData(); public void setData(O data); public void persist(); } Input<O> StringInput<String> SourceFileInput NIOSourceFile EFSSourceFile

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Text Parsing/Highlighting

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Text Parsing/Highlighting ‣ Stay with Eclipse Text!

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Text Parsing/Highlighting ‣ Stay with Eclipse Text! ‣ many parts are UI-Toolkit agnostic

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Text Parsing/Highlighting ‣ Stay with Eclipse Text! ‣ many parts are UI-Toolkit agnostic ‣ Eclipse text does not require OSGi / 3.x APIs

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Text Parsing/Highlighting ‣ Stay with Eclipse Text! ‣ many parts are UI-Toolkit agnostic ‣ Eclipse text does not require OSGi / 3.x APIs ‣ It is fast

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Text Parsing/Highlighting ‣ Stay with Eclipse Text! ‣ many parts are UI-Toolkit agnostic ‣ Eclipse text does not require OSGi / 3.x APIs ‣ It is fast ‣ It does its job

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Text Parsing/Highlighting ‣ Stay with Eclipse Text! ‣ many parts are UI-Toolkit agnostic ‣ Eclipse text does not require OSGi / 3.x APIs ‣ It is fast ‣ It does its job ‣ It is insanely fast

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse Text Performance ‣ In JavaFX world there are 2 opensource controls for StyledTextArea (from e(fx)clipse), RichTextArea on github ‣ Both Frameworks have a pluggable Parser Infrastructure and provide default/sample parsers

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse Text Performance StyleText (Eclipse Text) RichText (regex) ‣ In JavaFX world there are 2 opensource controls for StyledTextArea (from e(fx)clipse), RichTextArea on github ‣ Both Frameworks have a pluggable Parser Infrastructure and provide default/sample parsers

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse Text Performance StyleText (Eclipse Text) RichText (regex) init - 10 000 Loc 327ms 400ms ‣ In JavaFX world there are 2 opensource controls for StyledTextArea (from e(fx)clipse), RichTextArea on github ‣ Both Frameworks have a pluggable Parser Infrastructure and provide default/sample parsers

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse Text Performance StyleText (Eclipse Text) RichText (regex) init - 10 000 Loc 327ms 400ms init - 150 000 Loc 1100ms 3300ms ‣ In JavaFX world there are 2 opensource controls for StyledTextArea (from e(fx)clipse), RichTextArea on github ‣ Both Frameworks have a pluggable Parser Infrastructure and provide default/sample parsers

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse Text Performance StyleText (Eclipse Text) RichText (regex) init - 10 000 Loc 327ms 400ms init - 150 000 Loc 1100ms 3300ms change - 10 000 Loc 30ms 110ms (*) ‣ In JavaFX world there are 2 opensource controls for StyledTextArea (from e(fx)clipse), RichTextArea on github ‣ Both Frameworks have a pluggable Parser Infrastructure and provide default/sample parsers

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse Text Performance StyleText (Eclipse Text) RichText (regex) init - 10 000 Loc 327ms 400ms init - 150 000 Loc 1100ms 3300ms change - 10 000 Loc 30ms 110ms (*) change - 150 000 Loc 50ms 1800ms (*) ‣ In JavaFX world there are 2 opensource controls for StyledTextArea (from e(fx)clipse), RichTextArea on github ‣ Both Frameworks have a pluggable Parser Infrastructure and provide default/sample parsers

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse Text Performance * Potential Bug: numbers might be devided by 2 StyleText (Eclipse Text) RichText (regex) init - 10 000 Loc 327ms 400ms init - 150 000 Loc 1100ms 3300ms change - 10 000 Loc 30ms 110ms (*) change - 150 000 Loc 50ms 1800ms (*) ‣ In JavaFX world there are 2 opensource controls for StyledTextArea (from e(fx)clipse), RichTextArea on github ‣ Both Frameworks have a pluggable Parser Infrastructure and provide default/sample parsers

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse Text in a nutshell ‣ Two step process

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse Text in a nutshell ‣ Two step process ‣ Step 1: Partitioning done by the org.eclipse.jface.text.IDocumentPartitioner

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse Text in a nutshell ‣ Two step process ‣ Step 1: Partitioning done by the org.eclipse.jface.text.IDocumentPartitioner ‣ Step 2: Tokenizing done by the org.eclipse.jface.text.presentation.IPresentationReconc iler

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning /** * This is a sample class */ class Sample { //Some information public void test() { /* * Some more information */ var s = "Hello World" ; print(s); } }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning /** * This is a sample class */ class Sample { //Some information public void test() { /* * Some more information */ var s = "Hello World" ; print(s); } } __dart_dartdoc

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning /** * This is a sample class */ class Sample { //Some information public void test() { /* * Some more information */ var s = "Hello World" ; print(s); } } __dart_dartdoc __dart_sl_comment

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning /** * This is a sample class */ class Sample { //Some information public void test() { /* * Some more information */ var s = "Hello World" ; print(s); } } __dart_dartdoc __dart_sl_comment __dart_ml_comment

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning /** * This is a sample class */ class Sample { //Some information public void test() { /* * Some more information */ var s = "Hello World" ; print(s); } } __dart_dartdoc __dart_sl_comment __dart_ml_comment __dart_string

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning /** * This is a sample class */ class Sample { //Some information public void test() { /* * Some more information */ var s = "Hello World" ; print(s); } } __dart_dartdoc __dart_sl_comment __dart_ml_comment __dart_string __dftl_partitioning

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning Rules

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning Rules Start End MultiLine

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning Rules Start End MultiLine dartdoc /** */ !

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning Rules Start End MultiLine dartdoc /** */ ! comment single // "

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning Rules Start End MultiLine dartdoc /** */ ! comment single // " comment multi /* */ !

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning Rules Start End MultiLine dartdoc /** */ ! comment single // " comment multi /* */ ! string " " "

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Partitioning Rules Start End MultiLine dartdoc /** */ ! comment single // " comment multi /* */ ! string " " " character ' ' "

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣ Base interface org.eclipse.jface.text.rules.IRule ‣ 2 Basic implementations ‣ SingleLineRule ‣ MultiLineRule Rules in Eclipse Text

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣ Base interface org.eclipse.jface.text.rules.IRule ‣ 2 Basic implementations ‣ SingleLineRule ‣ MultiLineRule Rules in Eclipse Text new SingleLineRule("//", null, new Token("__dart_sl_comment")); new MultiLineRule("/**", "*/", new Token("__dart_dartdoc");

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣ Eclipse Text provides a default implementation for the IDocumentParitioner named FastPartitioner ‣ FastPartitioner delegates the real partitioning to an IPartitionTokenScanner ‣ Eclipse Text provides a default implementation for IPartitionScanner named RuleBasedPartitionScanner ‣ RuleBasedPartitionScanner use IRule definitions to detect partitions From Rules to Partitioner

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 From Rules to Partitioner

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 From Rules to Partitioner public class DartPartitionScanner extends RuleBasedPartitionScanner {  IPredicateRule[] pr = new org.eclipse.jface.text.rules.IPredicateRule[6];  pr[0] = new SingleLineRule("//", null, new Token("__dart_sl_comment");  // …   }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 From Rules to Partitioner public class DartPartitionScanner extends RuleBasedPartitionScanner {  IPredicateRule[] pr = new org.eclipse.jface.text.rules.IPredicateRule[6];  pr[0] = new SingleLineRule("//", null, new Token("__dart_sl_comment");  // …   }  public class DartPartitioner extends FastPartitioner {  public DartPartitioner() {  super(new DartPartitionScanner(), new String[] {  "__dart_singlelinedoc_comment"  ,"__dart_dartdoc"  ,"__dart_sl_comment"  ,"__dart_multiline_comment"  ,"__dart_string"  });  }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 From Rules to Partitioner public class DartPartitionScanner extends RuleBasedPartitionScanner {  IPredicateRule[] pr = new org.eclipse.jface.text.rules.IPredicateRule[6];  pr[0] = new SingleLineRule("//", null, new Token("__dart_sl_comment");  // …   }  public class DartPartitioner extends FastPartitioner {  public DartPartitioner() {  super(new DartPartitionScanner(), new String[] {  "__dart_singlelinedoc_comment"  ,"__dart_dartdoc"  ,"__dart_sl_comment"  ,"__dart_multiline_comment"  ,"__dart_string"  });  } }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Express Partitions in a DSL ‣ Instead of writing a bunch of Java configuration code we could define a DSL and generate the code

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Express Partitions in a DSL ‣ Instead of writing a bunch of Java configuration code we could define a DSL and generate the code package langs dart { partitioning { partition __dftl_partition_content_type partition __dart_singlelinedoc_comment partition __dart_dartdoc partition __dart_sl_comment partition __dart_multiline_comment partition __dart_string rule { single_line __dart_string "'" => "'" escaped by "" single_line __dart_string '"' => '"' escaped by "" single_line __dart_singlelinedoc_comment '///' single_line __dart_sl_comment '//' multi_line __dart_dartdoc '/**' => '*/' multi_line __dart_multiline_comment '/*' => '*/' } } … }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Tokenizing a Partition /** * This is a sample class */ class Sample { public void test(String s) { print(s); } }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Tokenizing a Partition /** * This is a sample class */ class Sample { public void test(String s) { print(s); } } tk(dart_doc,0,25)

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Tokenizing a Partition /** * This is a sample class */ class Sample { public void test(String s) { print(s); } } tk(dart_doc,0,25) tk(dart_keyword,27,31) tk(dart_keyword,41,45)

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Tokenizing a Partition /** * This is a sample class */ class Sample { public void test(String s) { print(s); } } tk(dart_doc,0,25) tk(dart_keyword,27,31) tk(dart_keyword,41,45) tk(dart_default,28,34)

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣ Uses same IRules APIs as for partitioning ‣ Prebuilt rules useable for Tokenizing ‣ CombinedWordRule: Used for keywords ‣ CharacterRule: Used for single chars eg braces, operators ‣ SingleLineRule, MultiLineRule, PatternRule, … Tokenizing Rules

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 From Rules to Reconciler ‣ Eclipse Text provides a default implementation for IPresentationReconciler named PresentationReconciler ‣ PresentationReconciler requires an IPresentationDamager and IPresentationRepairer / Partition ‣ Eclipse Text provides a default implementation for IPresentationDamager & IPresentationRepairer named DefaultDamagerRepairer ‣ DefaultDamagerRepairer uses an ITokenScanner ‣ Eclipse Text provide a default implementation ITokenScanner named RuleBasedScanner who uses IRule

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 From Rules to Reconciler

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 From Rules to Reconciler public class DartDefPartitionScanner extends RuleBasedScanner {  public DartDefPartitionScanner() {  Token dart_defaultToken = new Token(new TextAttribute("dart.dart_default"));  setDefaultReturnToken(dart_defaultToken);  Token dart_keywordToken = new Token(new TextAttribute("dart.dart_keyword"));    JavaLikeWordDetector wordDetector= new JavaLikeWordDetector();  CombinedWordRule combinedWordRule= new CombinedWordRule(wordDetector, dart_defaultToken);  CombinedWordRule.WordMatcher dart_keywordWordRule = new CombinedWordRule.WordMatcher();  dart_keywordWordRule.addWord("break", dart_keywordToken);  // …   combinedWordRule.addWordMatcher(dart_keywordWordRule);  }   }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 From Rules to Reconciler public class DartDefPartitionScanner extends RuleBasedScanner {  public DartDefPartitionScanner() {  Token dart_defaultToken = new Token(new TextAttribute("dart.dart_default"));  setDefaultReturnToken(dart_defaultToken);  Token dart_keywordToken = new Token(new TextAttribute("dart.dart_keyword"));    JavaLikeWordDetector wordDetector= new JavaLikeWordDetector();  CombinedWordRule combinedWordRule= new CombinedWordRule(wordDetector, dart_defaultToken);  CombinedWordRule.WordMatcher dart_keywordWordRule = new CombinedWordRule.WordMatcher();  dart_keywordWordRule.addWord("break", dart_keywordToken);  // …   combinedWordRule.addWordMatcher(dart_keywordWordRule);  }   }  public class DartPresentationReconciler extends PresentationReconciler {  public DartPresentationReconciler() {  DefaultDamagerRepairer defDamageRepairer = new DefaultDamagerRepairer(new DartDefPartitionScanner());  setDamager(defDamageRepairer, "__dftl_partition_content_type");  setRepairer(defDamageRepairer, "__dftl_partition_content_type");    DefaultDamagerRepairer docDamageRepairer = new DefaultDamagerRepairer(new DartDocPartitionScanner());  setDamager(docDamageRepairer, "__dart_dartdoc");  setRepairer(docDamageRepairer, "__dart_dartdoc");  // …  }  }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Express Tokens in the DSL

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Express Tokens in the DSL package langs    dart {  partitioning {  partition __dftl_partition_content_type  partition __dart_dartdoc  // …  }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Express Tokens in the DSL package langs    dart {  partitioning {  partition __dftl_partition_content_type  partition __dart_dartdoc  // …  } lexical_highlighting {  rule __dftl_partition_content_type {  default dart_default  dart_keyword {  keywords [ "break", "case", /* … */ ]  }  }  rule __dart_dartdoc {  default dart_doc  dart_doc_reference {  single_line "[" => "]"  }   }  }  }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Visual representation

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Visual representation public class DartDefPartitionScanner extends RuleBasedScanner {  public DartDefPartitionScanner() {  Token dart_defaultToken = new Token(new TextAttribute("dart.dart_default"));  setDefaultReturnToken(dart_defaultToken);  Token dart_keywordToken = new Token(new TextAttribute("dart.dart_keyword"));    // …

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Visual representation public class DartDefPartitionScanner extends RuleBasedScanner {  public DartDefPartitionScanner() {  Token dart_defaultToken = new Token(new TextAttribute("dart.dart_default"));  setDefaultReturnToken(dart_defaultToken);  Token dart_keywordToken = new Token(new TextAttribute("dart.dart_keyword"));    // … // … somewhere in StyledTextArea StyledTextNode s = new StyledTextNode("public"); s.getStyleClass().setAll("dart","dart_keyword"); // … somewhere in StyledTextArea

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Visual representation public class DartDefPartitionScanner extends RuleBasedScanner {  public DartDefPartitionScanner() {  Token dart_defaultToken = new Token(new TextAttribute("dart.dart_default"));  setDefaultReturnToken(dart_defaultToken);  Token dart_keywordToken = new Token(new TextAttribute("dart.dart_keyword"));    // … // … somewhere in StyledTextArea StyledTextNode s = new StyledTextNode("public"); s.getStyleClass().setAll("dart","dart_keyword"); // … somewhere in StyledTextArea .styled-text-area .dart.dart_keyword { -styled-text-color: rgb(127, 0, 85); -fx-font-weight: bold; }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Visual representation public class DartDefPartitionScanner extends RuleBasedScanner {  public DartDefPartitionScanner() {  Token dart_defaultToken = new Token(new TextAttribute("dart.dart_default"));  setDefaultReturnToken(dart_defaultToken);  Token dart_keywordToken = new Token(new TextAttribute("dart.dart_keyword"));    // … // … somewhere in StyledTextArea StyledTextNode s = new StyledTextNode("public"); s.getStyleClass().setAll("dart","dart_keyword"); // … somewhere in StyledTextArea .styled-text-area .dart.dart_keyword { -styled-text-color: rgb(127, 0, 85); -fx-font-weight: bold; } .styled-text-area .dart.dart_keyword { -styled-text-color: -source-editor-keyword; -fx-font-weight: bold; }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Live Demo (Lexicalhighlighting)

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 4 Architecture

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 4 Architecture Java VM

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 4 Architecture Java VM OSGi

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 4 Architecture Java VM OSGi Eclipse 4 Application Platform (Core)

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 4 Architecture Java VM OSGi Eclipse 4 Application Platform (Core) Eclipse 4 SWT Rendering SWT/JFace

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 4 Architecture Java VM OSGi Eclipse 4 Application Platform (Core) Eclipse 4 SWT Rendering SWT/JFace Application Code

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 4 Architecture Java VM OSGi Eclipse 4 Application Platform (Core) Application Code

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 4 Architecture Java VM OSGi Eclipse 4 Application Platform (Core) Application Code Eclipse 4 FX Rendering JavaFX 8

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Eclipse 4 Architecture Java VM OSGi Eclipse 4 Application Platform (Core) Application Code Eclipse 4 FX Rendering JavaFX 8 e(fx)clipse code framework

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Integration in Eclipse 4 ‣ The task: We need to create the correct IDocumentPartitioner and IPresentationReconciler for a given Source-File ‣ e(fx)clipse defines a TypeProviderService Service-API who is consulted to find a type for a given Input (=SourceFile) ‣ ALL TypeProviderService-Instances are registered in the OSGi-Service-Registry and consulted by the framework when it requires an instance of IDocumentPartitioner or IPresentationReconciler

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Integration into e4 ‣ The TypeProviderService APIs

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Integration into e4 ‣ The TypeProviderService APIs /** * A service who provides a type based upon a selector value * * @param <S> * the selector value type * @param <T> * the type * @since 2.1 */ public interface TypeProviderService<S, T> extends Predicate<S> { @Override boolean test(S t); public Class<? extends T> getType(S s); } interface InputDependentTypeProviderService<T> extends TypeProviderService<Input<?>, T> { } interface DocumentPartitionerTypeProvider extends InputDependentTypeProviderService<IDocumentPartitioner> { }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Integration in e4

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Integration in e4 package org.eclipse.fx.code.editor.fx; /** * Component setting up a JavaFX text editor */ @SuppressWarnings("restriction") public class TextEditor { @Inject public void setPartitioner(IDocumentPartitioner partitioner) { } }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Integration in e4 package org.eclipse.fx.code.editor.fx; /** * Component setting up a JavaFX text editor */ @SuppressWarnings("restriction") public class TextEditor { @Inject public void setPartitioner(IDocumentPartitioner partitioner) { } } ContextFunction IEclipseContext#get("org.eclipse.jface.text.IDocumentPartitioner")

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Integration in e4 package org.eclipse.fx.code.editor.fx; /** * Component setting up a JavaFX text editor */ @SuppressWarnings("restriction") public class TextEditor { @Inject public void setPartitioner(IDocumentPartitioner partitioner) { } } DocumentPartitionerTypeProvider test(NIOSourceFile("sample.dart")) ContextFunction IEclipseContext#get("org.eclipse.jface.text.IDocumentPartitioner")

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Integration in e4 @Component  public class DartDocumentPartitionerTypeProvider implements DocumentPartitionerTypeProvider {    public Class<? extends IDocumentPartitioner> getType(Input<?> s) {  return DartPartitioner.class;  }    public boolean test(Input<?> t) {  return (t instanceof URIProvider) && ((URIProvider)t).getURI().lastSegment().endsWith(".dart");  }  }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Integration in e4 @Component  public class DartDocumentPartitionerTypeProvider implements DocumentPartitionerTypeProvider {    public Class<? extends IDocumentPartitioner> getType(Input<?> s) {  return DartPartitioner.class;  }    public boolean test(Input<?> t) {  return (t instanceof URIProvider) && ((URIProvider)t).getURI().lastSegment().endsWith(".dart");  }  }  @Component  public class DartPresentationReconcilerTypeProvider implements PresentationReconcilerTypeProvider {    public Class<? extends PresentationReconciler> getType(Input<?> s) {  return DartPresentationReconciler.class;  }    public boolean test(Input<?> t) {  return (t instanceof URIProvider) && ((URIProvider)t).getURI().lastSegment().endsWith(".dart");  }  }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Autocomplete ‣ There’s a trend of having headless applications providing things like autocomplete, error reporting, … ‣ Dart: DartAnalysis Server ‣ Typescript: LanguageService in tsserver ‣ Java: ‣ Eclipse Flux, Eclipse Che (Cloudbased) ‣ CodeSurf: internal research project

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣ Communication with DartAnalysisServer is via JSON on STDIN/STDOUT ‣ 2 Interaction Types: ‣ Requests with a direct response (client driven) ‣ Notification informing about things (server driven) Autocomplete for Dart

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Interact with Dart Server 1. Step  Inform DartServer about the source dir { "id" : "default_1", "method" : "analysis.setAnalysisRoots" , "params" : { "included":["/Users/tomschindl/dart-samples/"], "excluded":[] } }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Interact with Dart Server 2. Step  Request autocompletion { "id" : "default_2", "method" : "completion.getSuggestions" , "params" : { "file":"/Users/tomschindl/dart-samples/test.dart", "offset":367 } }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 { "event":"completion.results", "params":{ "id":"0", "replacementOffset":367, "replacementLength":0, "results": [ { "kind":"INVOCATION", "relevance":1000, "completion":"left", "selectionOffset":4, "selectionLength":0, "isDeprecated":false, "isPotential":false, "declaringType":"Rectangle", "element":{ "kind":"FIELD", "name":"left", "location":{ "file":"/Users/tomschindl/dart-samples/test.dart", "offset":24, "length":4, "startLine":2, "startColumn":7 }, "flags":0, "returnType":"num" },"returnType":"num" }, // Many more … "isLast":true } } Interact with Dart Server 3. Step  Server asynchronously delivers completion results

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣ Interaction with Java Code Interact with Dart Server

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣ Interaction with Java Code Interact with Dart Server DartServerFactory serverFactory = Util.lookupService(DartServerFactory.class);  DartServer server = serverFactory.getServer("server");

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣ Interaction with Java Code Interact with Dart Server DartServerFactory serverFactory = Util.lookupService(DartServerFactory.class);  DartServer server = serverFactory.getServer("server");  ServiceAnalysis analysisService = server.getService(ServiceAnalysis.class);  ServiceCompletion completionService = server.getService(ServiceCompletion.class);

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣ Interaction with Java Code Interact with Dart Server DartServerFactory serverFactory = Util.lookupService(DartServerFactory.class);  DartServer server = serverFactory.getServer("server");  ServiceAnalysis analysisService = server.getService(ServiceAnalysis.class);  ServiceCompletion completionService = server.getService(ServiceCompletion.class);  analysisService.setAnalysisRoots(new String[] {"/Users/tomschindl/dart-samples/"}, new String[0], null);

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣ Interaction with Java Code Interact with Dart Server DartServerFactory serverFactory = Util.lookupService(DartServerFactory.class);  DartServer server = serverFactory.getServer("server");  ServiceAnalysis analysisService = server.getService(ServiceAnalysis.class);  ServiceCompletion completionService = server.getService(ServiceCompletion.class);  analysisService.setAnalysisRoots(new String[] {"/Users/tomschindl/dart-samples/"}, new String[0], null);   Registration proposalRegistration = completionService.results(this::handleHandleResults);  completionService.getSuggestions("/Users/tomschindl/dart-samples/test.dart", 367);    private static void handleHandleResults(CompletionResultsNotification notification) {  Stream.of(notification.getResults()).forEach( c -> System.err.println(c.getCompletion()));  }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Code Editor Autocomplete

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Code Editor Autocomplete ‣ Autocomplete is implemented by a service of type org.eclipse.fx.code.editor.fx.services.ProposalComputer

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Code Editor Autocomplete ‣ Autocomplete is implemented by a service of type org.eclipse.fx.code.editor.fx.services.ProposalComputer ‣ and registered in the OSGi-Service registry through org.eclipse.fx.code.editor.fx.services.ProposalComputerTyp eProvider

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Code Editor Autocomplete ‣ Autocomplete is implemented by a service of type org.eclipse.fx.code.editor.fx.services.ProposalComputer ‣ and registered in the OSGi-Service registry through org.eclipse.fx.code.editor.fx.services.ProposalComputerTyp eProvider public class DartProposalComputer implements ProposalComputer { //… @Override public Future<List<ICompletionProposal>> compute(ProposalContext context) { URIProvider p = (URIProvider) context.input; Path file = Paths.get(java.net.URI.create(p.getURI().toString())).toAbsolutePath(); CompletionGetSuggestionsResult result = completionService.getSuggestions(file.toString(), context.location); requestId = result.getId(); future = new CompletableFuture<>(); return future; } }

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Live Demo (Autocomplete)

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 ‣Syntax Highlighting ‣Autocomplete ‣Error Reporting

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Error Markers ‣ DartServer provides the possibility to ‣ subscribe to error notifications ‣ fetch the current list of errors

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Error Markers ‣ DartServer provides the possibility to ‣ subscribe to error notifications ‣ fetch the current list of errors ServiceAnalysis service = server.getService(ServiceAnalysis.class); subscription = service.errors(this::accept); CompletableFuture.supplyAsync( () -> service.getErrors(file.toString())).thenAccept(this::accept);

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Code Editor Markers ‣ Code editor consults to services for error support: ‣ org.eclipse.jface.text.source.IAnnotationModel: Collects all errors and stores them for later useage ‣ org.eclipse.jface.text.source.AnnotationPresenter: Presents the errors in the TextEditor (eg as markers in the line ruler) ‣ services are contributed through org.eclipse.fx.code.editor.services.AnnotationModelTypePr ovider and org.eclipse.fx.code.editor.fx.services.AnnotationPresente rTypeProvider

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Live Demo (Error Marker)

(c) BestSolution.at - Licensed under Creative Commons Attribution-NonCommerical-ShareAlike 3.0 Language Support ‣ Syntaxhighlighting: ‣ Opensource: asciidoc, ceylon, dart, go, groovy, java, js, kotlin, lua, php, python, rust, swift, xml ‣ Internal research: Typescript ‣ Autocomplete: ‣ Opensource: Dart ‣ Internal research: Java, JavaScript, Typescript ‣ Outline: ‣ Opensource: Dart ‣ Internal research: JavaScript, Java, Typescript

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