eclipse/plugins/org.argeo.slc.client.ui/src/main/java/org/argeo/slc/client/ui/views/ExecutionModulesView.java

   1 package org.argeo.slc.client.ui.views;
   2
   3 import java.io.ByteArrayOutputStream;
   4 import java.io.IOException;
   5 import java.util.ArrayList;
   6 import java.util.List;
   7 import java.util.Properties;
   8 import java.util.UUID;
   9
  10 import org.apache.commons.io.IOUtils;
  11 import org.apache.commons.logging.Log;
  12 import org.apache.commons.logging.LogFactory;
  13 import org.argeo.slc.SlcException;
  14 import org.argeo.slc.client.ui.SlcImages;
  15 import org.argeo.slc.client.ui.controllers.ProcessController;
  16 import org.argeo.slc.client.ui.providers.ExecutionModulesContentProvider;
  17 import org.argeo.slc.client.ui.providers.ExecutionModulesContentProvider.FlowNode;
  18 import org.argeo.slc.execution.ExecutionModuleDescriptor;
  19 import org.argeo.slc.process.RealizedFlow;
  20 import org.argeo.slc.process.SlcExecution;
  21 import org.eclipse.jface.viewers.DoubleClickEvent;
  22 import org.eclipse.jface.viewers.IContentProvider;
  23 import org.eclipse.jface.viewers.IDoubleClickListener;
  24 import org.eclipse.jface.viewers.IStructuredSelection;
  25 import org.eclipse.jface.viewers.ITableLabelProvider;
  26 import org.eclipse.jface.viewers.LabelProvider;
  27 import org.eclipse.jface.viewers.TreeViewer;
  28 import org.eclipse.swt.SWT;
  29 import org.eclipse.swt.dnd.DND;
  30 import org.eclipse.swt.dnd.DragSourceEvent;
  31 import org.eclipse.swt.dnd.DragSourceListener;
  32 import org.eclipse.swt.dnd.TextTransfer;
  33 import org.eclipse.swt.dnd.Transfer;
  34 import org.eclipse.swt.graphics.Image;
  35 import org.eclipse.swt.widgets.Composite;
  36 import org.eclipse.ui.ISharedImages;
  37 import org.eclipse.ui.PlatformUI;
  38 import org.eclipse.ui.part.ViewPart;
  39
  40 public class ExecutionModulesView extends ViewPart {
  41         private final static Log log = LogFactory
  42                         .getLog(ExecutionModulesView.class);
  43
  44         public static final String ID = "org.argeo.slc.client.ui.executionModulesView";
  45
  46         private TreeViewer viewer;
  47
  48         // Ioc
  49         private IContentProvider contentProvider;
  50         //private OxmInterface oxmBean;
  51         private ProcessController processController;
  52
  53         public void createPartControl(Composite parent) {
  54                 viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
  55                 viewer.setContentProvider(contentProvider);
  56                 viewer.setLabelProvider(new ViewLabelProvider());
  57                 viewer.setInput(getViewSite());
  58                 viewer.addDoubleClickListener(new ViewDoubleClickListener());
  59                 int operations = DND.DROP_COPY | DND.DROP_MOVE;
  60                 Transfer[] tt = new Transfer[] { TextTransfer.getInstance() };
  61                 viewer.addDragSupport(operations, tt, new ViewDragListener());
  62         }
  63
  64         public void setFocus() {
  65                 viewer.getControl().setFocus();
  66         }
  67
  68         public TreeViewer getViewer() {
  69                 return viewer;
  70         }
  71
  72         public void refreshView() {
  73                 viewer.setInput(getViewSite());
  74         }
  75
  76         class ViewLabelProvider extends LabelProvider implements
  77                         ITableLabelProvider {
  78                 public String getColumnText(Object obj, int index) {
  79                         if (obj instanceof ExecutionModulesContentProvider.ExecutionModuleNode) {
  80                                 ExecutionModuleDescriptor emd = ((ExecutionModulesContentProvider.ExecutionModuleNode) obj)
  81                                                 .getDescriptor();
  82                                 if (emd.getLabel() != null) {
  83                                         return emd.getLabel();
  84                                 } else {
  85                                         return getText(emd);
  86                                 }
  87                         } else
  88                                 return getText(obj);
  89                 }
  90
  91                 public Image getColumnImage(Object obj, int index) {
  92                         return getImage(obj);
  93                 }
  94
  95                 public Image getImage(Object obj) {
  96                         if (obj instanceof ExecutionModulesContentProvider.AgentNode)
  97                                 return SlcImages.AGENT;
  98                         else if (obj instanceof ExecutionModulesContentProvider.ExecutionModuleNode)
  99                                 return SlcImages.MODULE;
 100                         else if (obj instanceof ExecutionModulesContentProvider.FolderNode)
 101                                 return SlcImages.FOLDER;
 102                         else if (obj instanceof ExecutionModulesContentProvider.FlowNode)
 103                                 return SlcImages.FLOW;
 104                         else
 105                                 return PlatformUI.getWorkbench().getSharedImages()
 106                                                 .getImage(ISharedImages.IMG_OBJ_ELEMENT);
 107                 }
 108         }
 109
 110         class ViewDoubleClickListener implements IDoubleClickListener {
 111                 public void doubleClick(DoubleClickEvent evt) {
 112                         Object obj = ((IStructuredSelection) evt.getSelection())
 113                                         .getFirstElement();
 114                         if (obj instanceof ExecutionModulesContentProvider.FlowNode) {
 115                                 ExecutionModulesContentProvider.FlowNode fn = (ExecutionModulesContentProvider.FlowNode) obj;
 116
 117                                 List<RealizedFlow> realizedFlows = new ArrayList<RealizedFlow>();
 118                                 RealizedFlow realizedFlow = new RealizedFlow();
 119                                 realizedFlow.setModuleName(fn.getExecutionModuleNode()
 120                                                 .getDescriptor().getName());
 121                                 realizedFlow.setModuleVersion(fn.getExecutionModuleNode()
 122                                                 .getDescriptor().getVersion());
 123                                 realizedFlow.setFlowDescriptor(fn.getExecutionModuleNode()
 124                                                 .getFlowDescriptors().get(fn.getFlowName()));
 125                                 realizedFlows.add(realizedFlow);
 126
 127                                 SlcExecution slcExecution = new SlcExecution();
 128                                 slcExecution.setUuid(UUID.randomUUID().toString());
 129                                 slcExecution.setRealizedFlows(realizedFlows);
 130                                 slcExecution.setHost(fn.getExecutionModuleNode().getAgentNode()
 131                                                 .getAgent().toString());
 132                                 processController.execute(fn.getExecutionModuleNode()
 133                                                 .getAgentNode().getAgent(), slcExecution);
 134                         }
 135                 }
 136
 137         }
 138
 139         class ViewDragListener implements DragSourceListener {
 140
 141                 public void dragStart(DragSourceEvent event) {
 142                         System.out.println("Start Drag");
 143                 }
 144
 145                 public void dragSetData(DragSourceEvent event) {
 146
 147                         // System.out.println("dragSetData: " + event);
 148
 149                         IStructuredSelection selection = (IStructuredSelection) viewer
 150                                         .getSelection();
 151                         if (selection.getFirstElement() instanceof ExecutionModulesContentProvider.FlowNode) {
 152
 153                                 if (TextTransfer.getInstance().isSupportedType(event.dataType)) {
 154                                         ExecutionModulesContentProvider.FlowNode flowNode = (ExecutionModulesContentProvider.FlowNode) selection
 155                                                         .getFirstElement();
 156
 157                                         Properties props = new Properties();
 158                                         flowNodeAsProperties(props, flowNode);
 159                                         props.setProperty("agentId", flowNode
 160                                                         .getExecutionModuleNode().getAgentNode().getAgent()
 161                                                         .getAgentUuid());
 162                                         props.setProperty("host", flowNode.getExecutionModuleNode()
 163                                                         .getAgentNode().getAgent().toString());
 164
 165                                         ByteArrayOutputStream out = new ByteArrayOutputStream();
 166                                         try {
 167                                                 props.store(out, "");
 168                                                 event.data = new String(out.toByteArray());
 169                                         } catch (IOException e) {
 170                                                 throw new SlcException(
 171                                                                 "Cannot transform realized flow", e);
 172                                         } finally {
 173                                                 IOUtils.closeQuietly(out);
 174                                         }
 175                                 }
 176                         }
 177                 }
 178
 179                 public void dragFinished(DragSourceEvent event) {
 180                         System.out.println("Finished Drag");
 181                 }
 182
 183                 protected void flowNodeAsProperties(Properties props, FlowNode fn) {
 184
 185                         RealizedFlow realizedFlow = new RealizedFlow();
 186                         realizedFlow.setModuleName(fn.getExecutionModuleNode()
 187                                         .getDescriptor().getName());
 188                         realizedFlow.setModuleVersion(fn.getExecutionModuleNode()
 189                                         .getDescriptor().getVersion());
 190                         realizedFlow.setFlowDescriptor(fn.getExecutionFlowDescriptor());
 191
 192                         // As we want to have the effective ExecutionSpec and not a
 193                         // reference; we store it at the RealizeFlow level : thus the
 194                         // marshaller will store the object and not only a reference.
 195                         realizedFlow.setExecutionSpec(fn.getExecutionFlowDescriptor()
 196                                         .getExecutionSpec());
 197
 198 //                      props.setProperty("RealizedFlowAsXml",
 199 //                                      oxmBean.marshal(realizedFlow));
 200 //                      System.out
 201 //                                      .println(oxmBean.marshal(fn.getExecutionFlowDescriptor()));
 202
 203                 }
 204
 205         }
 206
 207         // IoC
 208         public void setContentProvider(IContentProvider contentProvider) {
 209                 this.contentProvider = contentProvider;
 210         }
 211
 212         public void setProcessController(ProcessController processController) {
 213                 this.processController = processController;
 214         }
 215
 216 //      public void setOxmBean(OxmInterface oxmBean) {
 217 //              this.oxmBean = oxmBean;
 218 //      }
 219
 220 }