orphans in its own page

src/net/sourceforge/schemaspy/view/HtmlOrphansPage.java

@@ -0,0 +1,98 @@
+package net.sourceforge.schemaspy.view;
+
+import java.io.*;
+import java.util.*;
+import net.sourceforge.schemaspy.model.*;
+import net.sourceforge.schemaspy.util.*;
+
+public class HtmlOrphansPage extends HtmlGraphFormatter {
+    private static HtmlOrphansPage instance = new HtmlOrphansPage();
+
+    private HtmlOrphansPage() {
+    }
+
+    public static HtmlOrphansPage getInstance() {
+        return instance;
+    }
+
+    public boolean write(Database db, List orphanTables, boolean hasRelationships, File graphDir, LineWriter html) throws IOException {
+        Dot dot = getDot();
+        if (dot == null)
+            return false;
+
+        Set orphansWithImpliedRelationships = new HashSet();
+        Iterator iter = orphanTables.iterator();
+        while (iter.hasNext()) {
+            Table table = (Table)iter.next();
+            if (!table.isOrphan(true)){
+                orphansWithImpliedRelationships.add(table);
+            }
+        }
+
+        writeHeader(db, "Utility Tables Graph", hasRelationships, !orphansWithImpliedRelationships.isEmpty(), html);
+
+        html.writeln("<a name='graph'>");
+        try {
+            iter = orphanTables.iterator();
+            while (iter.hasNext()) {
+                Table table = (Table)iter.next();
+                String dotBaseFilespec = table.getName();
+
+                File dotFile = new File(graphDir, dotBaseFilespec + ".1degree.dot");
+                File graphFile = new File(graphDir, dotBaseFilespec + ".1degree.png");
+
+                LineWriter dotOut = new LineWriter(new FileOutputStream(dotFile));
+                DotFormatter.getInstance().writeOrphan(table, dotOut);
+                dotOut.close();
+                try {
+                    dot.generateGraph(dotFile, graphFile);
+                } catch (Dot.DotFailure dotFailure) {
+                    System.err.println(dotFailure);
+                    return false;
+                }
+
+                html.write("  <img src='graphs/summary/" + graphFile.getName() + "' usemap='#" + table + "' border='0' alt='' align='top'");
+                if (orphansWithImpliedRelationships.contains(table))
+                    html.write(" class='impliedNotOrphan'");
+                html.writeln(">");
+            }
+
+            iter = orphanTables.iterator();
+            while (iter.hasNext()) {
+                Table table = (Table)iter.next();
+                String dotBaseFilespec = table.getName();
+
+                File dotFile = new File(graphDir, dotBaseFilespec + ".1degree.dot");
+                dot.writeMap(dotFile, html);
+            }
+
+            return true;
+        } finally {
+            html.writeln("</a>");
+            writeFooter(html);
+        }
+    }
+
+    private void writeHeader(Database db, String title, boolean hasRelationships, boolean hasImpliedRelationships, LineWriter html) throws IOException {
+        writeHeader(db, null, title, hasRelationships, true, html);
+        html.writeln("<table class='container' width='100%'>");
+        html.writeln("<tr><td class='container'>");
+        writeGeneratedBy(db.getConnectTime(), html);
+        html.writeln("</td>");
+        html.writeln("<td class='container' align='right' valign='top' rowspan='2'>");
+        writeLegend(false, html);
+        html.writeln("</td></tr>");
+        html.writeln("<tr><td class='container' align='left' valign='top'>");
+        if (hasImpliedRelationships) {
+            html.writeln("<form action=''>");
+            html.writeln(" <input type=checkbox onclick=\"toggle(" + StyleSheet.getInstance().getOffsetOf(".impliedNotOrphan") + ");\" id=removeImpliedOrphans>");
+            html.writeln("  Hide tables with implied relationships");
+            html.writeln("</form>");
+        }
+        html.writeln("</td></tr></table>");
+    }
+
+    protected boolean isOrphansPage() {
+        return true;
+    }
+}