Add initial version of regions to source control

[simantics/district.git] / org.simantics.district.region.ui / src / org / simantics / district / region / ui / DiagramRegionsTableUI.java

diff --git a/org.simantics.district.region.ui/src/org/simantics/district/region/ui/DiagramRegionsTableUI.java b/org.simantics.district.region.ui/src/org/simantics/district/region/ui/DiagramRegionsTableUI.java
new file mode 100644 (file)
index 0000000..f4b6397
--- /dev/null
+++ b/org.simantics.district.region.ui/src/org/simantics/district/region/ui/DiagramRegionsTableUI.java
@@ -0,0 +1,170 @@
+package org.simantics.district.region.ui;
+
+import java.awt.geom.Rectangle2D;
+import java.text.DecimalFormat;
+import java.util.Collection;
+import java.util.Set;
+
+import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+import org.eclipse.jface.viewers.ColumnViewerToolTipSupport;
+import org.eclipse.jface.viewers.DoubleClickEvent;
+import org.eclipse.jface.viewers.IDoubleClickListener;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.TreeSelection;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.TreeViewerColumn;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Tree;
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.common.procedure.adapter.SyncListenerAdapter;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.district.region.DiagramRegions;
+import org.simantics.district.region.DiagramRegions.DiagramRegion;
+import org.simantics.district.region.ui.handlers.ZoomToRegionHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class DiagramRegionsTableUI extends Composite {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(DiagramRegionsTableUI.class);
+    
+    private TreeViewer viewer;
+    private TreeViewerColumn column1;
+    private TreeViewerColumn column2;
+
+    private ESelectionService selectionService;
+
+    public DiagramRegionsTableUI(ESelectionService selectionService, Composite parent, int style) {
+        super(parent, style);
+        this.selectionService = selectionService;
+        parent.setLayout(new FillLayout());
+//        GridDataFactory.fillDefaults().grab(true, true).applyTo(this);
+//        GridLayoutFactory.fillDefaults().numColumns(1).applyTo(this);
+        this.setLayout(new FillLayout());
+        Simantics.getSession().asyncRequest(new DiagramRegions.DiagramRegionsRequest(), new SyncListenerAdapter<Collection<DiagramRegion>>() {
+
+            public void execute(ReadGraph graph, Collection<DiagramRegion> result) {
+                parent.getDisplay().asyncExec(() -> {
+                    viewer.setInput(result);
+                });
+            }
+            
+            @Override
+            public void exception(ReadGraph graph, Throwable t) throws DatabaseException {
+                LOGGER.error("Could not listen", t);
+            }
+
+            @Override
+            public boolean isDisposed() {
+                return DiagramRegionsTableUI.this.isDisposed();
+            }
+        });
+        
+        viewer = new TreeViewer(this, SWT.FULL_SELECTION);
+        viewer.addSelectionChangedListener(new ISelectionChangedListener() {
+            
+            @Override
+            public void selectionChanged(SelectionChangedEvent event) {
+                DiagramRegionsTableUI.this.selectionService.setSelection(event.getSelection());
+            }
+        });
+        viewer.addDoubleClickListener(new IDoubleClickListener() {
+            
+            @Override
+            public void doubleClick(DoubleClickEvent event) {
+                LOGGER.info("event " +  event);
+                TreeSelection selection = (TreeSelection) viewer.getSelection();
+                DiagramRegion region = (DiagramRegion) selection.getFirstElement();
+                ZoomToRegionHandler.zoomTo(viewer.getControl(), getDisplay(), region.getResource());
+            }
+        });
+        viewer.setContentProvider(new ITreeContentProvider() {
+            
+            @Override
+            public boolean hasChildren(Object element) {
+                return false;
+            }
+            
+            @Override
+            public Object getParent(Object element) {
+                return null;
+            }
+            
+            @Override
+            public Object[] getElements(Object inputElement) {
+                if (inputElement == null && (!(inputElement instanceof Collection)))
+                    return new Object[0];
+                Set<DiagramRegion> set = (Set) inputElement;
+                return set.toArray();
+            }
+            
+            @Override
+            public Object[] getChildren(Object parentElement) {
+                return null;
+            }
+            
+            @Override
+            public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+                ITreeContentProvider.super.inputChanged(viewer, oldInput, newInput);
+            }
+        });
+
+        ColumnViewerToolTipSupport.enableFor(viewer);
+
+        Tree table = viewer.getTree();
+        table.setHeaderVisible(true);
+        table.setLinesVisible(true);
+
+        column1 = new TreeViewerColumn(viewer, SWT.NONE);
+        column1.getColumn().setText("Region");
+        column1.getColumn().setWidth(200);
+        column1.getColumn().setResizable(true);
+        column1.setLabelProvider(new ColumnLabelProvider() {
+            @Override
+            public String getText(Object element) {
+                DiagramRegion region = (DiagramRegion) element;
+                return region.getLabel();
+            }
+            @Override
+            public Image getImage(Object element) {
+                return null;
+            }
+        });
+        
+        column2 = new TreeViewerColumn(viewer, SWT.NONE);
+        column2.getColumn().setText("Coordinates");
+        column2.getColumn().setWidth(200);
+        column2.getColumn().setResizable(true);
+        column2.setLabelProvider(new ColumnLabelProvider() {
+            @Override
+            public String getText(Object element) {
+                DiagramRegion region = (DiagramRegion) element;
+                Rectangle2D rect = region.getShape().getBounds2D();
+                DecimalFormat df = new DecimalFormat("0.00");
+                String x = df.format(rect.getX());
+                String y = df.format(rect.getY());
+                String width = df.format(rect.getWidth());
+                String height = df.format(rect.getHeight());
+                return "[x=" + x + ", y=" + y + ", width=" + width + ", height=" + height + "]";
+            }
+            @Override
+            public Image getImage(Object element) {
+                return null;
+            }
+        });
+
+    }
+
+    public Tree getTree() {
+        return viewer.getTree();
+    }
+
+}