Improvements to modelled SWT documents

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

diff --git a/bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/ExplorerListener.java b/bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/ExplorerListener.java
new file mode 100644 (file)
index 0000000..0c63957
--- /dev/null
+++ b/bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/ExplorerListener.java
@@ -0,0 +1,67 @@
+/*******************************************************************************
+ * Copyright (c) 2019 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.document.swt.core.widget;
+
+import java.util.List;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.TreeItem;
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.document.server.client.WidgetData;
+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.swt.core.SWTDocument;
+import org.simantics.document.swt.core.base.PropertyWidgetManager;
+import org.simantics.utils.datastructures.Pair;
+
+public class ExplorerListener implements Listener {
+
+    private WidgetData wd;
+    private List<Pair<WidgetData, ICommand>> data;
+
+    public ExplorerListener(WidgetData wd, List<Pair<WidgetData, ICommand>> data) {
+        this.wd = wd;
+        this.data = data;
+    }
+
+    @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;
+                NodeContext ctx = (NodeContext)item.getData();
+                Object value = ctx.getConstant(BuiltinKeys.INPUT);
+
+                boolean checked = item.getChecked();
+
+                CommandContextMutable context = new CommandContextImpl();
+                context.putValue("event", "onCheck");
+                context.putValue("checked", checked);
+                context.putValue("item", value);
+
+                if (!data.isEmpty()) {
+                    ((SWTDocument)wd.document).handleCommands(data, context, event.widget);
+                }
+
+                CommandContext ret = PropertyWidgetManager.sendEvent((SWTDocument)wd.document, wd, "onCheck", event.widget, context);
+            }
+            break;
+        }
+    }
+
+}
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