Add TestBuilder Layer List Zoom buitton

Author: dr-jts

modules/app/src/main/java/org/locationtech/jtstest/testbuilder/LayerListPanel.java

@@ -64,6 +64,7 @@ public class LayerListPanel extends JPanel {
   private JButton btnDown;
   private JButton btnDelete;
   private JButton btnPaste;
+  private JButton btnZoom;
 
   private Layer focusLayer;
 
@@ -106,6 +107,15 @@ public void actionPerformed(ActionEvent e) {
         });
     buttonPanel.add(btnCopy);
 
+    btnZoom = SwingUtil.createButton(AppIcons.ZOOM, 
+        "Zoom to layer",
+            new ActionListener() {
+          public void actionPerformed(ActionEvent e) {
+            layerZoom();
+          }
+        });
+    buttonPanel.add(btnZoom);
+    
     btnInspect = SwingUtil.createButton(AppIcons.GEOM_INSPECT, 
         "Inspect layer geometry",
             new ActionListener() {
@@ -227,6 +237,7 @@ private void updateButtons(Layer lyr) {
     // every layer is copyable
     btnCopy.setEnabled(true);
     btnPaste.setEnabled(isModifiable && ! lyr.hasGeometry());
+    btnZoom.setEnabled(lyr.hasGeometry());
     btnUp.setEnabled(isModifiable);
     btnDown.setEnabled(isModifiable);
     btnDelete.setEnabled(isModifiable);
@@ -243,6 +254,10 @@ private void layerInspect() {
     JTSTestBuilder.controller().inspectGeometry(focusLayer.getName(), focusLayer.getGeometry());
   }
 
+  private void layerZoom() {
+    JTSTestBuilder.controller().zoomToGeometry(focusLayer.getGeometry());
+  }
+  
   private void layerDelete(Layer lyr) {
     // don't remove if non-empty
     if (lyr.hasGeometry()) return;

modules/app/src/main/java/org/locationtech/jtstest/testbuilder/controller/JTSTestBuilderController.java

@@ -352,6 +352,10 @@ public void zoomToInputB() {
     editPanel().zoomToGeometry(1);
   }
 
+  public void zoomToGeometry(Geometry geom) {
+    editPanel().zoom(geom);
+  }
+  
   public void caseMoveTo(int dir, boolean isZoom) {
     if (dir < 1) {
       model().cases().prevCase();