#70 Added GH buttons and CTA

Couldn't figure out how to render "async defer" as part of the script import, but the buttons seem to work ok without those two keywords.

Author: jimbethancourt

refactor-first-maven-plugin/src/main/java/org/hjug/mavenreport/RefactorFirstRealMavenReport.java

@@ -126,11 +126,21 @@ public void executeReport(Locale locale) throws MavenReportException {
         /**
          * @See https://maven.apache.org/doxia/developers/sink.html#How_to_inject_javascript_code_into_HTML
          */
+
+        SinkEventAttributeSet githubButtonJS = new SinkEventAttributeSet();
+        // githubButtonJS.addAttribute(SinkEventAttributes.TYPE, "text/javascript");
+        // githubButtonJS.addAttribute("async", "");
+        // githubButtonJS.addAttribute("defer", "");
+        githubButtonJS.addAttribute(SinkEventAttributes.SRC, "https://buttons.github.io/buttons.js");
+
+        String script = "script";
+        mainSink.unknown(script, new Object[] {HtmlMarkup.TAG_TYPE_START}, githubButtonJS);
+        mainSink.unknown(script, new Object[] {HtmlMarkup.TAG_TYPE_END}, null);
+
         SinkEventAttributeSet googleChartImport = new SinkEventAttributeSet();
         googleChartImport.addAttribute(SinkEventAttributes.TYPE, "text/javascript");
         googleChartImport.addAttribute(SinkEventAttributes.SRC, "https://www.gstatic.com/charts/loader.js");
 
-        String script = "script";
         mainSink.unknown(script, new Object[] {HtmlMarkup.TAG_TYPE_START}, googleChartImport);
         mainSink.unknown(script, new Object[] {HtmlMarkup.TAG_TYPE_END}, null);
 
@@ -154,7 +164,7 @@ public void executeReport(Locale locale) throws MavenReportException {
         // Heading 1
         mainSink.section1();
         mainSink.sectionTitle1();
-        mainSink.text("God Class Report for " + projectName + " " + projectVersion);
+        mainSink.text("RefactorFirst Report for " + projectName + " " + projectVersion);
         mainSink.sectionTitle1_();
 
         GitLogReader gitLogReader = new GitLogReader();
@@ -257,6 +267,8 @@ public void executeReport(Locale locale) throws MavenReportException {
             mainSink.division(seriesChartDiv);
             mainSink.division_();
 
+            renderGitHubButtons(mainSink);
+
             String legendHeading = "God Class Chart Legend:";
             String xAxis = "Effort to refactor to a non-God class";
             renderLegend(mainSink, legendHeading, xAxis);
@@ -365,6 +377,8 @@ public void executeReport(Locale locale) throws MavenReportException {
             mainSink.division_();
             writeGCBOGchartJs(rankedCBODisharmonies, cboPriority - 1);
 
+            renderGitHubButtons(mainSink);
+
             String legendHeading = "Highly Coupled Classes Chart Legend:";
             String xAxis = "Number of objects the class is coupled to";
             renderLegend(mainSink, legendHeading, xAxis);
@@ -446,7 +460,6 @@ private static void legendRow(Sink mainSink, String boldText, String explanation
     }
 
     void drawTableHeaderCell(String cellText, Sink mainSink) {
-        // TODO may need to use mainSink.tableHeaderCell(sinkAttributes)
         mainSink.tableHeaderCell();
         mainSink.text(cellText);
         mainSink.tableHeaderCell_();
@@ -471,6 +484,79 @@ void drawTableCell(Object cellText, Sink mainSink) {
         mainSink.tableCell_();
     }
 
+    /*
+    <a class="github-button" href="https://github.com/jimbethancourt/refactorfirst" data-icon="octicon-star" data-size="large" data-show-count="true" aria-label="Star jimbethancourt/refactorfirst on GitHub">Star</a>
+    <a class="github-button" href="https://github.com/jimbethancourt/refactorfirst/fork" data-icon="octicon-repo-forked" data-size="large" data-show-count="true" aria-label="Fork jimbethancourt/refactorfirst on GitHub">Fork</a>
+    <a class="github-button" href="https://github.com/jimbethancourt/refactorfirst/subscription" data-icon="octicon-eye" data-size="large" data-show-count="true" aria-label="Watch jimbethancourt/refactorfirst on GitHub">Watch</a>
+    <a class="github-button" href="https://github.com/jimbethancourt/refactorfirst/issues" data-icon="octicon-issue-opened" data-size="large" data-show-count="false" aria-label="Issue jimbethancourt/refactorfirst on GitHub">Issue</a>
+    <a class="github-button" href="https://github.com/sponsors/jimbethancourt" data-icon="octicon-heart" data-size="large" aria-label="Sponsor @jimbethancourt on GitHub">Sponsor</a>
+    */
+    void renderGitHubButtons(Sink mainSink) {
+        SinkEventAttributeSet alignCenter = new SinkEventAttributeSet();
+        alignCenter.addAttribute(SinkEventAttributes.ALIGN, "center");
+
+        mainSink.division(alignCenter);
+        mainSink.text("Show RefactorFirst some &#10084;&#65039;");
+        mainSink.lineBreak();
+
+        renderGitHubButton(
+                mainSink,
+                "https://github.com/jimbethancourt/refactorfirst",
+                "octicon-star",
+                "true",
+                "Star jimbethancourt/refactorfirst on GitHub",
+                "Star");
+        renderGitHubButton(
+                mainSink,
+                "https://github.com/jimbethancourt/refactorfirst/fork",
+                "octicon-repo-forked",
+                "true",
+                "Fork jimbethancourt/refactorfirst on GitHub",
+                "Fork");
+        renderGitHubButton(
+                mainSink,
+                "https://github.com/jimbethancourt/refactorfirst/subscription",
+                "octicon-eye",
+                "true",
+                "Watch jimbethancourt/refactorfirst on GitHub",
+                "Watch");
+        renderGitHubButton(
+                mainSink,
+                "https://github.com/jimbethancourt/refactorfirst/issue",
+                "octicon-issue-opened",
+                "false",
+                "Issue jimbethancourt/refactorfirst on GitHub",
+                "Issue");
+        renderGitHubButton(
+                mainSink,
+                "https://github.com/jimbethancourt/refactorfirst/issue",
+                "octicon-heart",
+                "false",
+                "Sponsor @jimbethancourt on GitHub",
+                "Sponsor");
+
+        mainSink.division_();
+    }
+
+    private static void renderGitHubButton(
+            Sink mainSink,
+            String url,
+            String dataIconValue,
+            String dataShowCount,
+            String ariaLabel,
+            String anchorText) {
+        SinkEventAttributeSet starButton = new SinkEventAttributeSet();
+        starButton.addAttribute(SinkEventAttributes.HREF, url);
+        starButton.addAttribute("class", "github-button");
+        starButton.addAttribute("data-icon", dataIconValue);
+        starButton.addAttribute("data-size", "large");
+        starButton.addAttribute("data-show-count", dataShowCount);
+        starButton.addAttribute("aria-label", ariaLabel);
+        mainSink.unknown("a", new Object[] {HtmlMarkup.TAG_TYPE_START}, starButton);
+        mainSink.text(anchorText);
+        mainSink.unknown("a", new Object[] {HtmlMarkup.TAG_TYPE_END}, null);
+    }
+
     // TODO: Move to another class to allow use by Gradle plugin
     void writeGodClassGchartJs(List<RankedDisharmony> rankedDisharmonies, int maxPriority) {
         GraphDataGenerator graphDataGenerator = new GraphDataGenerator();