plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/launch/MainMachineLaunchConfigTab.java

   1 package net.mograsim.plugin.launch;
   2
   3 import java.util.Arrays;
   4 import java.util.HashSet;
   5 import java.util.Set;
   6 import java.util.function.Supplier;
   7
   8 import org.eclipse.core.resources.IProject;
   9 import org.eclipse.core.resources.IResource;
  10 import org.eclipse.core.resources.IWorkspace;
  11 import org.eclipse.core.resources.ResourcesPlugin;
  12 import org.eclipse.core.runtime.CoreException;
  13 import org.eclipse.core.runtime.IStatus;
  14 import org.eclipse.debug.core.ILaunchConfiguration;
  15 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
  16 import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
  17 import org.eclipse.jface.dialogs.IDialogConstants;
  18 import org.eclipse.jface.layout.PixelConverter;
  19 import org.eclipse.jface.resource.ImageDescriptor;
  20 import org.eclipse.jface.window.Window;
  21 import org.eclipse.osgi.util.NLS;
  22 import org.eclipse.swt.SWT;
  23 import org.eclipse.swt.graphics.Point;
  24 import org.eclipse.swt.layout.FillLayout;
  25 import org.eclipse.swt.layout.GridData;
  26 import org.eclipse.swt.layout.GridLayout;
  27 import org.eclipse.swt.widgets.Button;
  28 import org.eclipse.swt.widgets.Composite;
  29 import org.eclipse.swt.widgets.Control;
  30 import org.eclipse.swt.widgets.Group;
  31 import org.eclipse.swt.widgets.Text;
  32 import org.eclipse.ui.dialogs.ElementListSelectionDialog;
  33 import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
  34 import org.eclipse.ui.model.WorkbenchContentProvider;
  35 import org.eclipse.ui.model.WorkbenchLabelProvider;
  36
  37 import net.mograsim.plugin.nature.MograsimNature;
  38 import net.mograsim.plugin.util.FileExtensionViewerFilter;
  39 import net.mograsim.plugin.util.ImageDescriptorWithMargins;
  40
  41 //a big part of this class is stolen from org.eclipse.jdt.debug.ui
  42 public class MainMachineLaunchConfigTab extends AbstractLaunchConfigurationTab
  43 {
  44         private Text projSelText;
  45         private Text mpmFileSelText;
  46
  47         @Override
  48         public void createControl(Composite parent)
  49         {
  50                 parent.setLayout(new FillLayout());
  51                 Composite innerParent = new Composite(parent, SWT.NONE);
  52                 setControl(innerParent);
  53
  54                 innerParent.setLayout(new GridLayout());
  55
  56                 this.projSelText = createResourceSelectorGroup(innerParent, this::chooseMograsimProject);
  57
  58                 this.mpmFileSelText = createResourceSelectorGroup(innerParent, this::chooseMPMFile);
  59
  60                 // TODO RAM selector
  61         }
  62
  63         private Text createResourceSelectorGroup(Composite innerParent, Supplier<String> chooser)
  64         {
  65                 Group projSelGroup = new Group(innerParent, SWT.NONE);
  66                 projSelGroup.setLayout(new GridLayout(2, false));
  67                 projSelGroup.setText("&Project:");
  68                 projSelGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  69                 Text projSelText = new Text(projSelGroup, SWT.BORDER);
  70                 projSelText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
  71                 projSelText.addModifyListener(e -> updateLaunchConfigurationDialog());
  72                 Button projSelButton = new Button(projSelGroup, SWT.PUSH);
  73                 GridData projSelButtonData = new GridData();
  74                 projSelButtonData.widthHint = calculateWidthHint(projSelButton);
  75                 projSelButtonData.horizontalAlignment = SWT.FILL;
  76                 projSelButton.setLayoutData(projSelButtonData);
  77                 projSelButton.setText("&Browse...");
  78                 projSelButton.addListener(SWT.Selection, e ->
  79                 {
  80                         String chosen = chooser.get();
  81                         if (chosen != null)
  82                                 projSelText.setText(chosen);
  83                 });
  84                 return projSelText;
  85         }
  86
  87         private static int calculateWidthHint(Control c)
  88         {
  89                 int wHint = new PixelConverter(c).convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
  90                 return Math.max(wHint, c.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
  91         }
  92
  93         private String chooseMograsimProject()
  94         {
  95                 WorkbenchLabelProvider renderer = new WorkbenchLabelProvider()
  96                 {
  97                         @Override
  98                         protected ImageDescriptor decorateImage(ImageDescriptor input, Object element)
  99                         {
 100                                 return new ImageDescriptorWithMargins(input, new Point(22, 16));
 101                         }
 102                 };
 103                 ElementListSelectionDialog dialog = new ElementListSelectionDialog(getShell(), renderer);
 104                 dialog.setTitle("Project Selection");
 105                 dialog.setMessage("Select a Mograsim project");
 106                 dialog.setElements(filterOpenMograsimProjects(ResourcesPlugin.getWorkspace().getRoot().getProjects()));
 107                 if (dialog.open() == Window.OK)
 108                         return ((IProject) dialog.getFirstResult()).getName();
 109                 return null;
 110         }
 111
 112         private String chooseMPMFile()
 113         {
 114                 WorkbenchLabelProvider renderer = new WorkbenchLabelProvider()
 115                 {
 116                         @Override
 117                         protected ImageDescriptor decorateImage(ImageDescriptor input, Object element)
 118                         {
 119                                 return new ImageDescriptorWithMargins(input, new Point(22, 16));
 120                         }
 121                 };
 122                 ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(getShell(), renderer, new WorkbenchContentProvider());
 123                 dialog.setInput(getSelectedProject());
 124                 dialog.addFilter(new FileExtensionViewerFilter("mpm"));
 125
 126                 if (dialog.open() == Window.OK)
 127                         return ((IResource) dialog.getResult()[0]).getProjectRelativePath().toPortableString();
 128                 return null;
 129         }
 130
 131         private IProject getSelectedProject()
 132         {
 133                 String projName = projSelText.getText().trim();
 134                 IWorkspace workspace = ResourcesPlugin.getWorkspace();
 135                 if (workspace.validateName(projName, IResource.PROJECT).isOK())
 136                         return workspace.getRoot().getProject(projName);
 137                 return null;
 138         }
 139
 140         private static IProject[] filterOpenMograsimProjects(IProject[] projects)
 141         {
 142                 return Arrays.stream(projects).filter(p ->
 143                 {
 144                         try
 145                         {
 146                                 return p.isAccessible() && p.hasNature(MograsimNature.NATURE_ID);
 147                         }
 148                         catch (CoreException e)
 149                         {
 150                                 throw new RuntimeException(e);
 151                         }
 152                 }).toArray(IProject[]::new);
 153         }
 154
 155         @Override
 156         public void setDefaults(ILaunchConfigurationWorkingCopy configuration)
 157         {
 158                 // TODO don't let the user have to specify everything
 159         }
 160
 161         @Override
 162         public void initializeFrom(ILaunchConfiguration configuration)
 163         {
 164                 String projName = "";
 165                 try
 166                 {
 167                         projName = configuration.getAttribute(MachineLaunchConfigType.PROJECT_ATTR, "");
 168                 }
 169                 catch (CoreException e)
 170                 {
 171                         setErrorMessage(e.getStatus().getMessage());
 172                 }
 173                 projSelText.setText(projName);
 174         }
 175
 176         @Override
 177         public void performApply(ILaunchConfigurationWorkingCopy configuration)
 178         {
 179                 String projName = projSelText.getText().trim();
 180                 String mpmFileName = mpmFileSelText.getText().trim();
 181
 182                 Set<IResource> associatedResources = new HashSet<>();
 183                 IWorkspace workspace = ResourcesPlugin.getWorkspace();
 184                 if (workspace.validateName(projName, IResource.PROJECT).isOK())
 185                 {
 186                         IProject project = workspace.getRoot().getProject(projName);
 187                         try
 188                         {
 189                                 if (project != null && project.isAccessible() && project.hasNature(MograsimNature.NATURE_ID))
 190                                 {
 191                                         IResource mpmFile = project.findMember(mpmFileName);
 192                                         if (mpmFile != null && mpmFile.exists() && mpmFile.getType() == IResource.FILE)
 193                                                 associatedResources.add(mpmFile);
 194                                         else
 195                                                 associatedResources.add(project);
 196                                 }
 197                         }
 198                         catch (CoreException e)
 199                         {
 200                                 setErrorMessage(e.getStatus().getMessage());
 201                         }
 202                 }
 203                 configuration.setMappedResources(associatedResources.toArray(IResource[]::new));
 204                 configuration.setAttribute(MachineLaunchConfigType.PROJECT_ATTR, projName);
 205                 configuration.setAttribute(MachineLaunchConfigType.MPM_FILE_ATTR, mpmFileName);
 206         }
 207
 208         @Override
 209         public boolean isValid(ILaunchConfiguration launchConfig)
 210         {
 211                 setErrorMessage(null);
 212                 setMessage(null);
 213                 String projName = projSelText.getText().trim();
 214                 if (projName.length() == 0)
 215                         return setErrorAndReturnFalse("No project specified");
 216
 217                 IWorkspace workspace = ResourcesPlugin.getWorkspace();
 218                 IStatus status = workspace.validateName(projName, IResource.PROJECT);
 219                 if (!status.isOK())
 220                         return setErrorAndReturnFalse("Illegal project name: {0}: {1}", projName, status.getMessage());
 221
 222                 IProject project = workspace.getRoot().getProject(projName);
 223                 if (!project.exists())
 224                         return setErrorAndReturnFalse("Project {0} does not exist", projName);
 225                 if (!project.isOpen())
 226                         return setErrorAndReturnFalse("Project {0} is closed", projName);
 227                 try
 228                 {
 229                         if (!project.hasNature(MograsimNature.NATURE_ID))
 230                                 return setErrorAndReturnFalse("Project {0} is not a Mograsim project", projName);
 231                 }
 232                 catch (CoreException e)
 233                 {
 234                         return setErrorAndReturnFalse(e.getStatus().getMessage());
 235                 }
 236
 237                 String mpmFileName = mpmFileSelText.getText().trim();
 238                 if (mpmFileName.length() == 0)
 239                         return setErrorAndReturnFalse("No MPM file specified");
 240                 IResource mpmResource = project.findMember(mpmFileName);
 241                 if (mpmResource == null || !mpmResource.exists())
 242                         return setErrorAndReturnFalse("MPM file {0} does not exist", mpmFileName);
 243                 if (mpmResource.getType() != IResource.FILE)
 244                         return setErrorAndReturnFalse("MPM file {0} is not a file", mpmFileName);
 245
 246                 return true;
 247         }
 248
 249         private boolean setErrorAndReturnFalse(String message, String... params)
 250         {
 251                 setErrorMessage(NLS.bind(message, params));
 252                 return false;
 253         }
 254
 255         @Override
 256         public String getName()
 257         {
 258                 return "testlaunchconfigtabname";
 259         }
 260 }