gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.sysdyn.ui.handlers;\r
  13 \r
  14 import java.util.Map;\r
  15 \r
  16 import org.eclipse.core.commands.AbstractHandler;\r
  17 import org.eclipse.core.commands.ExecutionEvent;\r
  18 import org.eclipse.core.commands.ExecutionException;\r
  19 import org.eclipse.jface.dialogs.IDialogSettings;\r
  20 import org.eclipse.jface.resource.ImageDescriptor;\r
  21 import org.eclipse.ui.IWorkbenchPart;\r
  22 import org.eclipse.ui.PlatformUI;\r
  23 import org.eclipse.ui.commands.ICommandService;\r
  24 import org.eclipse.ui.commands.IElementUpdater;\r
  25 import org.eclipse.ui.handlers.HandlerUtil;\r
  26 import org.eclipse.ui.menus.UIElement;\r
  27 import org.simantics.jfreechart.ChartPanel;\r
  28 import org.simantics.sysdyn.ui.Activator;\r
  29 \r
  30 /**\r
  31  * This handler changes the orientation of a {@link ChartPanel}\r
  32  * \r
  33  * @author Teemu Lempinen\r
  34  *\r
  35  */\r
  36 public class ChartPanelOrientationHandler extends AbstractHandler implements IElementUpdater {\r
  37 \r
  38     private static String COMMAND = "org.simantics.sysdyn.ui.chartPanelOrientation";\r
  39     \r
  40     /**\r
  41      * Read chart panel settings from IDialogSettings and change the orientation accordingly.\r
  42      * Finally order the element to update its appearance.\r
  43      */\r
  44     @Override\r
  45     public Object execute(ExecutionEvent event) throws ExecutionException {\r
  46         IWorkbenchPart part = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage().getActivePart();\r
  47         if(part instanceof ChartPanel) {\r
  48             IDialogSettings settings = Activator.getDefault().getDialogSettings().getSection(ChartPanel.CHART_PANEL_SETTINGS);\r
  49             if (settings == null) {\r
  50                 settings = Activator.getDefault().getDialogSettings().addNewSection(ChartPanel.CHART_PANEL_SETTINGS);\r
  51             }\r
  52             \r
  53             String orientation = settings.get(ChartPanel.CHART_PANEL_ORIENTATION);\r
  54             if(orientation == null)\r
  55                 settings.put(ChartPanel.CHART_PANEL_ORIENTATION, ChartPanel.CHART_PANEL_HORIZONTAL);\r
  56             \r
  57             if(ChartPanel.CHART_PANEL_VERTICAL.equals(orientation))\r
  58                 orientation = ChartPanel.CHART_PANEL_HORIZONTAL;\r
  59             else\r
  60                 orientation = ChartPanel.CHART_PANEL_VERTICAL;\r
  61             \r
  62             settings.put(ChartPanel.CHART_PANEL_ORIENTATION, orientation);\r
  63             ((ChartPanel)part).setOrientation(orientation);\r
  64             \r
  65             ICommandService commandService =\r
  66                     (ICommandService) PlatformUI.getWorkbench().getService(ICommandService.class);\r
  67             commandService.refreshElements(COMMAND, null);\r
  68         }\r
  69 \r
  70         return null;\r
  71     }\r
  72 \r
  73     /**\r
  74      * Update the icon of the element. The new icon and text are always opposite to the current situation.\r
  75      */\r
  76     @SuppressWarnings("rawtypes")\r
  77     @Override\r
  78     public void updateElement(UIElement element, Map parameters) {\r
  79         if(parameters == null)\r
  80             return;\r
  81         \r
  82         IDialogSettings settings = Activator.getDefault().getDialogSettings().getSection(ChartPanel.CHART_PANEL_SETTINGS);\r
  83         if(settings == null)\r
  84             return;\r
  85         \r
  86         String orientation = settings.get(ChartPanel.CHART_PANEL_ORIENTATION);\r
  87         if(orientation == null)\r
  88             return;\r
  89         \r
  90         // Show the opposite icon and text to indicate change when the button is pressed\r
  91         if(ChartPanel.CHART_PANEL_HORIZONTAL.equals(orientation)) {\r
  92             element.setIcon(ImageDescriptor.createFromURL(Activator.getDefault().getBundle().getResource("icons/page_white_text.png")));\r
  93             element.setTooltip("Vertical Orientation");\r
  94         } else if (ChartPanel.CHART_PANEL_VERTICAL.equals(orientation)) {\r
  95             element.setIcon(ImageDescriptor.createFromURL(Activator.getDefault().getBundle().getResource("icons/page_white_text_width.png")));\r
  96             element.setTooltip("Horizontal Orientation");\r
  97         }\r
  98     }\r
  99 \r
 100 }\r