Playground for Antti.

[simantics/platform.git] / bundles / org.simantics.document.swt.core / src / org / simantics / document / swt / core / widget / Explorer.java

diff --git a/bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/Explorer.java b/bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/Explorer.java
index deabd7573d3196eb9a0cd2a059f1c1bb20c64ae4..e85d08f47f926282e2d70a3d1a4758390a961347 100644 (file)
--- a/bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/Explorer.java
+++ b/bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/Explorer.java
@@ -1,16 +1,24 @@
 package org.simantics.document.swt.core.widget;
 
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionProvider;
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeItem;
 import org.eclipse.ui.IWorkbenchSite;
 import org.simantics.Simantics;
 import org.simantics.browsing.ui.Column;
@@ -22,15 +30,28 @@ import org.simantics.browsing.ui.swt.widgets.ModelBrowser;
 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupportImpl;
 import org.simantics.db.layer0.variable.VariableBean;
 import org.simantics.db.management.ISessionContext;
+import org.simantics.document.server.IEventCommand;
 import org.simantics.document.server.JSONObject;
+import org.simantics.document.server.bean.Command;
+import org.simantics.document.server.client.CommandManager;
+import org.simantics.document.server.client.WidgetData;
+import org.simantics.document.server.handler.AbstractEventHandler;
+import org.simantics.document.server.io.CommandContext;
+import org.simantics.document.server.io.CommandContextImpl;
+import org.simantics.document.server.io.CommandContextMutable;
+import org.simantics.document.server.io.ICommand;
+import org.simantics.document.server.io.JSONObjectUtils;
 import org.simantics.document.swt.core.SWTDocument;
 import org.simantics.document.swt.core.SWTViews;
 import org.simantics.document.swt.core.base.LeafWidgetManager;
+import org.simantics.document.swt.core.base.PostEventCommand;
 import org.simantics.document.swt.core.base.WidgetContainer;
 import org.simantics.document.swt.core.bean.ColumnBean;
 import org.simantics.document.swt.core.bean.ColumnsBean;
 import org.simantics.scl.runtime.function.Function1;
+import org.simantics.scl.runtime.function.Function2;
 import org.simantics.ui.selection.WorkbenchSelectionUtils;
+import org.simantics.utils.datastructures.Pair;
 
 public class Explorer extends LeafWidgetManager<ModelBrowser> {
 
@@ -74,9 +95,15 @@ public class Explorer extends LeafWidgetManager<ModelBrowser> {
         if(Boolean.TRUE.equals(noscroll))
             style |= SWT.NO_SCROLL;
                
-               StatePersistor persistor = object.getJSONField("persistor");
+        Boolean check = object.getJSONFieldDefault("Check", false);
+        if(Boolean.TRUE.equals(check))
+            style |= SWT.CHECK;
+
+        StatePersistor persistor = object.getJSONField("persistor");
                final Function1<Object, Boolean> selectionListener = object.getJSONField("selectionListener");
 
+               final Function2<Object, Boolean, Boolean> checkStateListener = object.getJSONField("checkStateListener");
+
                DragSourceListenerFactory dragSourceListenerFactory = object.getJSONField("dragSourceListenerFactory");
                
                final IWorkbenchSite site = document.getSite();
@@ -147,6 +174,17 @@ public class Explorer extends LeafWidgetManager<ModelBrowser> {
 
                        @Override
                        public void handleEvent(Event event) {
+                           
+                           switch (event.type) {
+                           case SWT.Selection:
+                               if (event.detail == SWT.CHECK && event.item != null) {
+                                   TreeItem item = (TreeItem) event.item;
+                                   boolean checked = item.getChecked();
+                               if(checkStateListener != null)
+                                   selectionListener.apply(event);
+                               }
+                               break;
+                           }
 
                                if(selectionListener != null)
                                        selectionListener.apply(event);
@@ -183,4 +221,46 @@ public class Explorer extends LeafWidgetManager<ModelBrowser> {
            return null;
        }
 
+    public static class ExplorerCommandManager implements CommandManager<SWTDocument, WidgetContainer<ModelBrowser>> {
+
+        @Override
+        public Collection<Object> updateCommandListeners(final SWTDocument document, final JSONObject object,
+                WidgetContainer<ModelBrowser> container) {
+            
+            WidgetData wd = document.getWidget(JSONObjectUtils.getId(object));
+            List<ICommand> commands = object.getJSONField("commands");
+            HashSet<Object> listeners = new HashSet<Object>();
+            List<Pair<WidgetData, ICommand>> data = new ArrayList<>();
+            data.addAll(SWTViews.getTriggeredCommands(document, commands, "eventOut"));
+            data.add(new Pair<WidgetData, ICommand>(wd, new Command("onCheck")));
+            Listener listener = new ExplorerListener(wd, data);
+            ModelBrowser browser = container.getControl();
+            if(!browser.isDisposed()) {
+                browser.addListenerToControl(SWT.Selection, listener); 
+                listeners.add(listener);
+            }
+            
+            return listeners;
+            
+        }
+
+        @Override
+        public void removeListener(WidgetContainer<ModelBrowser> container, Object listener) {
+            if(container.getControl().isDisposed()) return;
+            if(listener instanceof ExplorerListener)
+                container.getControl().removeListenerFromControl(SWT.Selection, (Listener)listener);
+        }
+
+    }
+
+    @Override
+    public IEventCommand eventCommand(SWTDocument document, JSONObject object, WidgetContainer widget, ICommand command, CommandContext p) {
+        if("onCheck".equals(command.getCommand())) {
+            CommandContextMutable context = new CommandContextImpl().merge(p);
+            AbstractEventHandler onCheck = object.getJSONField("onCheck");
+            return new PostEventCommand(document, onCheck, context);
+        }
+        return null;
+    }   
+       
 }