plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/nature/properties/MograsimNaturePropertyPage.java

   1 package net.mograsim.plugin.nature.properties;
   2
   3 import java.util.Optional;
   4
   5 import org.eclipse.jface.preference.PreferencePage;
   6 import org.eclipse.swt.SWT;
   7 import org.eclipse.swt.layout.GridData;
   8 import org.eclipse.swt.layout.GridLayout;
   9 import org.eclipse.swt.widgets.Composite;
  10 import org.eclipse.swt.widgets.Control;
  11 import org.eclipse.swt.widgets.Label;
  12 import org.eclipse.ui.dialogs.PropertyPage;
  13
  14 import net.mograsim.machine.MachineDefinition;
  15 import net.mograsim.machine.MachineRegistry;
  16 import net.mograsim.plugin.nature.MachineContext;
  17 import net.mograsim.plugin.nature.MachineContextSwtTools;
  18 import net.mograsim.plugin.nature.MachineContextSwtTools.MachineCombo;
  19 import net.mograsim.plugin.nature.ProjectMachineContext;
  20
  21 public class MograsimNaturePropertyPage extends PropertyPage
  22 {
  23         // TODO i10n
  24         private static final String WARNING = "Changing the Mograsim machine can completely break your project. Be careful.";
  25         private static final String MACHINE_LABEL = "Machine definition";
  26         private static final String MACHINE_PROPERTY = "net.mograsim.projectMachineId";
  27         private static final String DEFAULT_MACHINE = "Am2900Simple";// TODO don't hardcode that here!
  28
  29         private MachineCombo machineSelect;
  30         private MachineDefinition defaultMachineDefinition;
  31
  32         private MachineContext machineContext;
  33
  34         /**
  35          * Constructor for SamplePropertyPage.
  36          */
  37         public MograsimNaturePropertyPage()
  38         {
  39                 super();
  40         }
  41
  42         private void addFirstSection(Composite parent)
  43         {
  44                 Composite composite = createDefaultComposite(parent);
  45
  46                 // Label for path field
  47                 Label pathLabel = new Label(composite, SWT.NONE);
  48                 pathLabel.setText(WARNING);
  49         }
  50
  51         private void addSeparator(Composite parent)
  52         {
  53                 Label separator = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL);
  54                 GridData gridData = new GridData();
  55                 gridData.horizontalAlignment = GridData.FILL;
  56                 gridData.grabExcessHorizontalSpace = true;
  57                 separator.setLayoutData(gridData);
  58         }
  59
  60         private void addSecondSection(Composite parent)
  61         {
  62                 Composite composite = createDefaultComposite(parent);
  63
  64                 // Label for machine
  65                 Label ownerLabel = new Label(composite, SWT.NONE);
  66                 ownerLabel.setText(MACHINE_LABEL);
  67
  68                 // Machine choice
  69                 machineSelect = MachineContextSwtTools.createMachineSelector(composite, SWT.NONE);
  70
  71                 if (currentId.isPresent())
  72                         machineSelect.add(currentId.get());
  73
  74                 Optional<MachineDefinition> currentMachineDefinition = machineContext.getMachineDefinition();
  75
  76                 if (currentMachineDefinition.isPresent())
  77                         machineSelect.setSelection(currentMachineDefinition.get());
  78
  79                 defaultMachineDefinition = currentMachineDefinition.orElseGet(() -> MachineRegistry.getMachine(DEFAULT_MACHINE));
  80         }
  81
  82         /**
  83          * @see PreferencePage#createContents(Composite)
  84          */
  85         protected Control createContents(Composite parent)
  86         {
  87                 machineContext = ProjectMachineContext.getMachineContextOf(getElement());
  88
  89                 Composite composite = new Composite(parent, SWT.NONE);
  90                 GridLayout layout = new GridLayout();
  91                 composite.setLayout(layout);
  92                 GridData data = new GridData(GridData.FILL);
  93                 data.grabExcessHorizontalSpace = true;
  94                 composite.setLayoutData(data);
  95
  96                 addFirstSection(composite);
  97                 addSeparator(composite);
  98                 addSecondSection(composite);
  99                 return composite;
 100         }
 101
 102         private Composite createDefaultComposite(Composite parent)
 103         {
 104                 Composite composite = new Composite(parent, SWT.NULL);
 105                 GridLayout layout = new GridLayout();
 106                 layout.numColumns = 2;
 107                 composite.setLayout(layout);
 108
 109                 GridData data = new GridData();
 110                 data.verticalAlignment = GridData.FILL;
 111                 data.horizontalAlignment = GridData.FILL;
 112                 composite.setLayoutData(data);
 113
 114                 return composite;
 115         }
 116
 117         protected void performDefaults()
 118         {
 119                 super.performDefaults();
 120                 // Populate the owner text field with the default value
 121                 machineSelect.setSelection(defaultMachineDefinition);
 122         }
 123
 124         public boolean performOk()
 125         {
 126                 return machineContext.setMachineId(machineSelect.getSelection().getId());
 127         }
 128
 129 }