Add support for more common commands in Chen EER diagrams

Fixes #1729

src/net/sourceforge/plantuml/cheneer/ChenEerDiagramFactory.java

@@ -46,6 +46,7 @@ import net.sourceforge.plantuml.cheneer.command.CommandEndGroup;
 import net.sourceforge.plantuml.cheneer.command.CommandMultiSubclass;
 import net.sourceforge.plantuml.cheneer.command.CommandSimpleSubclass;
 import net.sourceforge.plantuml.command.Command;
+import net.sourceforge.plantuml.command.CommandRankDir;
 import net.sourceforge.plantuml.command.CommonCommands;
 import net.sourceforge.plantuml.command.PSystemCommandFactory;
 import net.sourceforge.plantuml.core.DiagramType;
@@ -59,8 +60,8 @@ public class ChenEerDiagramFactory extends PSystemCommandFactory {
 
 	@Override
 	protected void initCommandsList(List<Command> cmds) {
-		CommonCommands.addTitleCommands(cmds);
-		CommonCommands.addCommonCommands2(cmds);
+		CommonCommands.addCommonCommands1(cmds);
+		cmds.add(new CommandRankDir());
 
 		cmds.add(new CommandCreateEntity());
 		cmds.add(new CommandCreateAttribute());

test/nonreg/simple/ChenRankDir_Test.java

@@ -0,0 +1,38 @@
+package nonreg.simple;
+
+import java.io.IOException;
+
+import org.junit.jupiter.api.Test;
+
+import nonreg.BasicTest;
+
+/*
+
+Test diagram MUST be put between triple quotes
+
+"""
+@startchen
+left to right direction
+
+entity Person {
+}
+entity Location {
+}
+relationship Birthplace {
+}
+
+Person -N- Birthplace
+Birthplace -1- Location
+
+@endchen
+"""
+
+ */
+public class ChenRankDir_Test extends BasicTest {
+
+	@Test
+	void testSimple() throws IOException {
+		checkImage("(3 entities)");
+	}
+
+}

test/nonreg/simple/ChenRankDir_TestResult.java

@@ -0,0 +1,119 @@
+package nonreg.simple;
+
+public class ChenRankDir_TestResult {
+}
+/*
+"""
+DPI: 96
+dimension: [ 644.3264 ; 111.8193 ]
+scaleFactor: 1.0000
+seed: -4308824771398432496
+svgLinkTarget: _top
+hoverPathColorRGB: null
+preserveAspectRatio: none
+
+RECTANGLE:
+  pt1: [ 6.0000 ; 42.0000 ]
+  pt2: [ 119.9805 ; 76.0000 ]
+  xCorner: 0
+  yCorner: 0
+  stroke: 0.0-0.0-0.5
+  shadow: 0
+  color: ff181818
+  backcolor: fff1f1f1
+
+TEXT:
+  text: Person
+  position: [ 16.0000 ; 62.8889 ]
+  orientation: 0
+  font: SansSerif.plain/14 []
+  color: ff000000
+  extendedColor: NULL_COLOR
+
+RECTANGLE:
+  pt1: [ 480.0000 ; 42.0000 ]
+  pt2: [ 639.3264 ; 76.0000 ]
+  xCorner: 0
+  yCorner: 0
+  stroke: 0.0-0.0-0.5
+  shadow: 0
+  color: ff181818
+  backcolor: fff1f1f1
+
+TEXT:
+  text: Location
+  position: [ 490.0000 ; 62.8889 ]
+  orientation: 0
+  font: SansSerif.plain/14 []
+  color: ff000000
+  extendedColor: NULL_COLOR
+
+POLYGON:
+  points:
+   - [ 206.0000 ; 58.9096 ]
+   - [ 299.8193 ; 12.0000 ]
+   - [ 393.6386 ; 58.9096 ]
+   - [ 299.8193 ; 105.8193 ]
+  stroke: 0.0-0.0-0.5
+  shadow: 0
+  color: ff181818
+  backcolor: fff1f1f1
+
+TEXT:
+  text: Birthplace
+  position: [ 231.1803 ; 62.7985 ]
+  orientation: 0
+  font: SansSerif.plain/14 []
+  color: ff000000
+  extendedColor: NULL_COLOR
+
+PATH:
+   - type: SEG_MOVETO
+     pt1: [ 114.2884 ; 53.0000 ]
+   - type: SEG_CUBICTO
+     pt1: [ 139.8162 ; 53.0000 ]
+     pt2: [ 170.6921 ; 53.0000 ]
+     pt3: [ 199.5468 ; 53.0000 ]
+  stroke: 0.0-0.0-1.0
+  shadow: 0
+  color: ff181818
+  backcolor: NULL_COLOR
+
+EMPTY:
+  pt1: [ 157.0000 ; 46.0000 ]
+  pt2: [ 169.5088 ; 59.0000 ]
+
+TEXT:
+  text: N
+  position: [ 158.0000 ; 55.5556 ]
+  orientation: 0
+  font: SansSerif.plain/11 []
+  color: ff000000
+  extendedColor: NULL_COLOR
+
+PATH:
+   - type: SEG_MOVETO
+     pt1: [ 388.3275 ; 53.0000 ]
+   - type: SEG_CUBICTO
+     pt1: [ 416.3938 ; 53.0000 ]
+     pt2: [ 446.8953 ; 53.0000 ]
+     pt3: [ 473.9060 ; 53.0000 ]
+  stroke: 0.0-0.0-1.0
+  shadow: 0
+  color: ff181818
+  backcolor: NULL_COLOR
+
+EMPTY:
+  pt1: [ 431.0000 ; 46.0000 ]
+  pt2: [ 443.3969 ; 59.0000 ]
+
+TEXT:
+  text: 1
+  position: [ 432.0000 ; 55.5556 ]
+  orientation: 0
+  font: SansSerif.plain/11 []
+  color: ff000000
+  extendedColor: NULL_COLOR
+
+"""
+*/