Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/ButtonSelectionListener.java b/bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/ButtonSelectionListener.java
new file mode 100644 (file)
index 0000000..021ba71
--- /dev/null
+++ b/bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/ButtonSelectionListener.java
@@ -0,0 +1,50 @@
+package org.simantics.document.swt.core.widget;\r
+\r
+import java.util.ArrayList;\r
+import java.util.LinkedHashMap;\r
+\r
+import org.eclipse.swt.events.SelectionEvent;\r
+import org.eclipse.swt.events.SelectionListener;\r
+import org.simantics.document.server.IEventCommand;\r
+import org.simantics.document.server.client.WidgetData;\r
+import org.simantics.document.swt.core.SWTDocument;\r
+\r
+public class ButtonSelectionListener implements SelectionListener {\r
+    \r
+    private LinkedHashMap<WidgetData, String> data;\r
+    \r
+    public ButtonSelectionListener(LinkedHashMap<WidgetData, String> data) {\r
+        this.data = data;\r
+    }\r
+\r
+    @Override\r
+    public void widgetSelected(SelectionEvent e) {\r
+        widgetDefaultSelected(e);\r
+    }\r
+\r
+    @Override\r
+    public void widgetDefaultSelected(SelectionEvent e) {\r
+        SWTDocument document = null;\r
+        // Build a linked list of commands\r
+        ArrayList<IEventCommand> commands = new ArrayList<IEventCommand>();\r
+        for(WidgetData d : data.keySet()) {\r
+            document = (SWTDocument)d.document; // assume that all widgets are from the same document\r
+            IEventCommand p = d.eventCommand(data.get(d));\r
+            if(p != null) {\r
+                if(!commands.isEmpty())\r
+                    commands.get(commands.size()-1).setNext(p);\r
+                commands.add(p);\r
+            }\r
+        }\r
+\r
+        // empty errors\r
+//        if(document != null)\r
+//            document.displayError("");\r
+\r
+        // Execute the first command, the linked list handles the rest of them\r
+        if(!commands.isEmpty())\r
+            commands.get(0).handleCommand();\r
+    \r
+    }\r
+    \r
+}
\ No newline at end of file