X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.charts%2Fsrc%2Forg%2Fsimantics%2Fcharts%2Fui%2FLinkTimeHandler.java;fp=bundles%2Forg.simantics.charts%2Fsrc%2Forg%2Fsimantics%2Fcharts%2Fui%2FLinkTimeHandler.java;h=ce08eddcb531c6b8ea85a5646776781a43f81fbd;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.charts/src/org/simantics/charts/ui/LinkTimeHandler.java b/bundles/org.simantics.charts/src/org/simantics/charts/ui/LinkTimeHandler.java
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index 000000000..ce08eddcb
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+++ b/bundles/org.simantics.charts/src/org/simantics/charts/ui/LinkTimeHandler.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2011 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.charts.ui;
+
+import java.util.Map;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.Command;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.commands.IHandler;
+import org.eclipse.core.commands.State;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IEditorReference;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.commands.ICommandService;
+import org.eclipse.ui.commands.IElementUpdater;
+import org.eclipse.ui.handlers.HandlerUtil;
+import org.eclipse.ui.menus.UIElement;
+import org.simantics.charts.editor.TimeSeriesEditor;
+
+public class LinkTimeHandler extends AbstractHandler implements IHandler, IElementUpdater {
+
+    public static final String COMMAND_ID = "org.simantics.charts.linktime";
+    public static final String STATE_ID = "org.simantics.charts.linktime.state";
+
+    @Override
+    public Object execute(ExecutionEvent event) throws ExecutionException {
+        ICommandService service = (ICommandService) PlatformUI.getWorkbench().getService(ICommandService.class);
+        Command command = service.getCommand( COMMAND_ID );
+        State state = command.getState( STATE_ID );
+        if (state != null) {
+            ChartLinkData oldData = (ChartLinkData) state.getValue();
+            if (oldData == null) {
+                TimeSeriesEditor editor = getEditor( event );
+                ChartLinkData currentData = new ChartLinkData();
+                if (editor != null) {
+                    editor.getFromEnd(currentData);
+                }
+                state.setValue( currentData );
+            } else {
+                state.setValue(null);
+            }
+        }
+
+        service.refreshElements(COMMAND_ID, null);
+        return null;
+    }
+
+    /**
+     * Get active editor or first one
+     * @return
+     */
+    TimeSeriesEditor getEditor(ExecutionEvent event) {
+        IWorkbenchPart ap = HandlerUtil.getActivePart(event);
+        if ( ap instanceof TimeSeriesEditor ) return (TimeSeriesEditor) ap;
+
+        IWorkbenchWindow win = HandlerUtil.getActiveWorkbenchWindow(event);
+        if (win==null) return null;
+        for (IWorkbenchPage page : win.getPages()) {
+            for (IEditorReference ref : page.getEditorReferences()) {
+                if (ref.getId().equals(TimeSeriesEditor.ID)) {
+                    IEditorPart part = ref.getEditor(false);
+                    return (TimeSeriesEditor) part;
+                }
+            }
+        }
+
+        return null;
+    }
+
+    @Override
+    public void updateElement(UIElement element, @SuppressWarnings("rawtypes") Map parameters) {
+        ICommandService service = (ICommandService) PlatformUI.getWorkbench().getService(ICommandService.class);
+        Command command = service.getCommand( COMMAND_ID );
+        State state = command.getState( STATE_ID );
+        element.setChecked( state != null && state.getValue()!=null );
+    }
+
+}