add skeletons for all Mathjax classes

frontend/src/mathjax-unification.ts

@@ -0,0 +1,18 @@
+import {MathjaxAdapter} from "./mathjax-adapter";
+import {TemplateResult} from "lit-html";
+
+class MathjaxUnification extends MathjaxAdapter {
+
+    render(): TemplateResult {
+        return super.render();
+    }
+
+
+    protected showStep(_n: number): void {
+    }
+
+    protected calculateSteps(): void {
+    }
+}
+
+customElements.define('tc-unification', MathjaxUnification);

src/main/java/edu/kit/typicalc/view/MathjaxAdapter.java

@@ -1,20 +1,15 @@
 package edu.kit.typicalc.view;
 
-import com.vaadin.flow.component.littemplate.LitTemplate;
-
 /**
  * Represents an HTML element that uses MathJax and custom JavaScript classes to render its contents.
  * Provides an interface between Java code and said JavaScript classes. Allows to reveal parts of the
  * rendered LaTeX step-by-step. Allows for scaling of the rendered LaTeX.
  */
-public abstract class MathjaxAdapter extends LitTemplate {
+public interface MathjaxAdapter {
 
-    /**
-     * Creates a new HTML element that renders the LaTeX string passed as parameter using MathJax. Because
-     * MathJax is used to render the String, all LaTeX commands used must be MathJax compatible.
-     * @param latex the LaTex string to render with MathJax
-     */
-    protected MathjaxAdapter(String latex) {
+    int getStepCount();
 
-    }
+    void showStep(int n);
+
+    void scale(double newScaling);
 }

src/main/java/edu/kit/typicalc/view/content/infocontent/StartPageView.java

@@ -7,6 +7,7 @@ import com.vaadin.flow.router.PageTitle;
 import com.vaadin.flow.router.Route;
 import com.vaadin.flow.router.RouteAlias;
 import edu.kit.typicalc.view.content.typeinferencecontent.MathjaxProofTree;
+import edu.kit.typicalc.view.content.typeinferencecontent.MathjaxUnification;
 import edu.kit.typicalc.view.main.MainViewImpl;
 import edu.kit.typicalc.view.main.MathjaxDisplay;
 
@@ -21,8 +22,9 @@ public class StartPageView extends VerticalLayout {
     public StartPageView() {
         // todo implement correctly
         setId("start-page");
-        add(new MathjaxDisplay());
-        add(new MathjaxProofTree());
+        add(new MathjaxDisplay(getTranslation("abs-rule")));
+        add(new MathjaxUnification("\\(constraint test \\vdash \\)"));
+        add(new MathjaxProofTree(getTranslation("demo-tree")));
         sayHello = new Button("Say hello");
         add(sayHello);
     }

src/main/java/edu/kit/typicalc/view/content/typeinferencecontent/MathjaxProofTree.java

@@ -5,18 +5,43 @@ import com.vaadin.flow.component.dependency.JsModule;
 import com.vaadin.flow.component.html.Div;
 import com.vaadin.flow.component.littemplate.LitTemplate;
 import com.vaadin.flow.component.template.Id;
+import edu.kit.typicalc.view.MathjaxAdapter;
 
+/**
+ * Renders a tree from LaTeX using MathJax and allows for step-by-step-revealing for
+ * proof trees that use the bussproofs package. Relies on MathjaxProofTreeJS to interact
+ * with MathJax.
+ */
 @Tag("tc-proof-tree")
 @JsModule("./src/mathjax-proof-tree.ts")
-public class MathjaxProofTree extends LitTemplate {
+public class MathjaxProofTree extends LitTemplate implements MathjaxAdapter {
 
     @Id("tc-content")
     private Div content;
+
     /**
-     * todo Creates the hello world template.
+     * Creates a new HTML element that renders the proof tree and cuts it into steps.
+     * The latex String must consist of exactly one proof tree environment in order for
+     * this element to work. In other cases the expected behaviour is undefined.
+     * @param latex the LaTeX-String to render with MathJax
      */
-    public MathjaxProofTree() {
-        content.add(getTranslation("demo-tree"));
+    public MathjaxProofTree(String latex) {
+        content.add(latex);
+    }
+
+    @Override
+    public int getStepCount() {
+        return 0;
+    }
+
+    @Override
+    public void showStep(int n) {
+
+    }
+
+    @Override
+    public void scale(double newScaling) {
+
     }
 }
 

src/main/java/edu/kit/typicalc/view/content/typeinferencecontent/MathjaxUnification.java

@@ -0,0 +1,46 @@
+package edu.kit.typicalc.view.content.typeinferencecontent;
+
+import com.vaadin.flow.component.Tag;
+import com.vaadin.flow.component.dependency.JsModule;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.component.littemplate.LitTemplate;
+import com.vaadin.flow.component.template.Id;
+import edu.kit.typicalc.view.MathjaxAdapter;
+
+/**
+ * Renders the constraints and unification from LaTeX using MathJax and allows step-by-
+ * step-revealing capabilities. Relies on MathjaxUnificationJS to interact with MathJax.
+ */
+@Tag("tc-unification")
+@JsModule("./src/mathjax-unification.ts")
+public class MathjaxUnification extends LitTemplate implements MathjaxAdapter {
+
+    @Id("tc-content")
+    private Div content;
+
+    /**
+     * Creates a new HTML element that renders the constraints and unification and
+     * calculates the steps.
+     * @param latex the LaTeX-String to render with MathJax
+     */
+    public MathjaxUnification(String latex) {
+        content.add(latex);
+    }
+
+    @Override
+    public int getStepCount() {
+        // todo implement
+        return 0;
+    }
+
+    @Override
+    public void showStep(int n) {
+        // todo implement
+    }
+
+    @Override
+    public void scale(double newScaling) {
+        // todo implement
+    }
+}
+

src/main/java/edu/kit/typicalc/view/main/MathjaxDisplay.java

@@ -5,18 +5,40 @@ import com.vaadin.flow.component.dependency.JsModule;
 import com.vaadin.flow.component.html.Div;
 import com.vaadin.flow.component.littemplate.LitTemplate;
 import com.vaadin.flow.component.template.Id;
+import edu.kit.typicalc.view.MathjaxAdapter;
 
+/**
+ * Renders static LaTeX content using MathJax. Relies on MathjaxDisplayJS to interact
+ * with MathJax.
+ */
 @Tag("tc-display")
 @JsModule("./src/mathjax-display.ts")
-public class MathjaxDisplay extends LitTemplate {
+public class MathjaxDisplay extends LitTemplate implements MathjaxAdapter {
 
     @Id("tc-content")
     private Div content;
     /**
-     * todo Creates the hello world template.
+     * Creates a new HTML element that renders the LaTeX code.
+     *
+     * @param latex the LaTeX string to render with MathJax
      */
-    public MathjaxDisplay() {
-        content.add(getTranslation("abs-rule"));
+    public MathjaxDisplay(String latex) {
+        content.add(latex);
+    }
+
+    @Override
+    public int getStepCount() {
+        return 0;
+    }
+
+    @Override
+    public void showStep(int n) {
+        // do nothing
+    }
+
+    @Override
+    public void scale(double newScaling) {
+        // todo implement
     }
 }