bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/browser/SCLDefinitionSelectionDialog.java

   1 package org.simantics.scl.ui.browser;\r
   2 \r
   3 import java.util.Comparator;\r
   4 \r
   5 import org.eclipse.core.runtime.CoreException;\r
   6 import org.eclipse.core.runtime.IProgressMonitor;\r
   7 import org.eclipse.core.runtime.IStatus;\r
   8 import org.eclipse.core.runtime.Status;\r
   9 import org.eclipse.jface.dialogs.IDialogSettings;\r
  10 import org.eclipse.jface.viewers.LabelProvider;\r
  11 import org.eclipse.swt.widgets.Composite;\r
  12 import org.eclipse.swt.widgets.Control;\r
  13 import org.eclipse.swt.widgets.Shell;\r
  14 import org.eclipse.ui.IMemento;\r
  15 import org.eclipse.ui.dialogs.FilteredItemsSelectionDialog;\r
  16 import org.eclipse.ui.dialogs.SearchPattern;\r
  17 import org.simantics.scl.compiler.common.names.Name;\r
  18 import org.simantics.scl.compiler.elaboration.modules.SCLValue;\r
  19 import org.simantics.scl.compiler.module.repository.ModuleRepositories;\r
  20 import org.simantics.scl.compiler.types.Types;\r
  21 import org.simantics.scl.osgi.SCLOsgi;\r
  22 import org.simantics.scl.ui.Activator;\r
  23 \r
  24 public class SCLDefinitionSelectionDialog extends FilteredItemsSelectionDialog {\r
  25     private static final String DIALOG_SETTINGS = "SCLDefinitionSelectionDialogSettings";\r
  26 \r
  27     public SCLDefinitionSelectionDialog(Shell shell) {\r
  28         super(shell, false);\r
  29         setTitle("Choose an SCL definition");\r
  30         setSelectionHistory(new DefinitionSelectionHistory());\r
  31         setListLabelProvider(new LabelProvider() {\r
  32             @Override\r
  33             public String getText(Object element) {\r
  34                 if(element instanceof String)\r
  35                     return (String)element;\r
  36                 SCLValue value = (SCLValue)element;\r
  37                 if(element == null)\r
  38                     return "";\r
  39                 Name name = value.getName();\r
  40                 return name.name + " (" + name.module + ") :: " + value.getType();\r
  41             }\r
  42         });\r
  43     }\r
  44 \r
  45     private class DefinitionSelectionHistory extends SelectionHistory {\r
  46         protected Object restoreItemFromMemento(IMemento element) {\r
  47             //return element.getString("resource"); //$NON-NLS-1$\r
  48             return null;\r
  49         }\r
  50         protected void storeItemToMemento(Object item, IMemento element) {\r
  51             //element.putString("resource", item.toString()); //$NON-NLS-1$\r
  52         }\r
  53     }\r
  54 \r
  55     @Override\r
  56     protected Control createExtendedContentArea(Composite parent) {\r
  57         return null;\r
  58     }\r
  59 \r
  60     protected IDialogSettings getDialogSettings() {\r
  61          IDialogSettings settings = Activator.getInstance().getDialogSettings().getSection(DIALOG_SETTINGS);\r
  62          if (settings == null)\r
  63              settings = Activator.getInstance().getDialogSettings().addNewSection(DIALOG_SETTINGS);\r
  64          return settings;\r
  65     }\r
  66 \r
  67     @Override\r
  68     protected IStatus validateItem(Object item) {\r
  69         return Status.OK_STATUS;\r
  70     }\r
  71 \r
  72     @Override\r
  73     protected ItemsFilter createFilter() {\r
  74         return new ItemsFilter() {\r
  75             {\r
  76                 String patternText = getPattern();\r
  77                 patternMatcher = new SearchPattern();\r
  78                 if(patternText != null && patternText.length() > 0)\r
  79                     patternMatcher.setPattern(patternText);\r
  80                 else \r
  81                     patternMatcher.setPattern("*");\r
  82             }\r
  83             \r
  84             @Override\r
  85             public boolean matchItem(Object item) {\r
  86                 String text = item.toString();\r
  87                 if(getPattern().contains("/"))\r
  88                     return matches(text);\r
  89                 else {\r
  90                     int p = text.lastIndexOf('/');\r
  91                     if(p >= 0)\r
  92                         text = text.substring(p+1);\r
  93                     return matches(text);\r
  94                 }\r
  95             }\r
  96 \r
  97             @Override\r
  98             public boolean isConsistentItem(Object item) {\r
  99                 return true;\r
 100             }\r
 101             \r
 102         };\r
 103     }\r
 104 \r
 105     @SuppressWarnings("rawtypes")\r
 106     @Override\r
 107     protected Comparator getItemsComparator() {\r
 108         return new Comparator() {\r
 109             public int compare(Object arg0, Object arg1) {\r
 110                 SCLValue a = (SCLValue)arg0;\r
 111                 SCLValue b = (SCLValue)arg1;\r
 112                 int cmp = a.getName().name.compareTo(b.getName().name);\r
 113                 if(cmp != 0)\r
 114                     return cmp;\r
 115                 return a.getName().module.compareTo(b.getName().module);\r
 116             }\r
 117         };\r
 118     }\r
 119 \r
 120     @Override\r
 121     protected void fillContentProvider(AbstractContentProvider contentProvider,\r
 122             ItemsFilter itemsFilter, IProgressMonitor progressMonitor)\r
 123                     throws CoreException {\r
 124         progressMonitor.beginTask("Searching", 1); //$NON-NLS-1$\r
 125         for(SCLValue value : ModuleRepositories.allValues(SCLOsgi.MODULE_REPOSITORY)) {\r
 126             if(isTupleValue(value.getName()))\r
 127                 continue;\r
 128             contentProvider.add(value, itemsFilter);\r
 129         }\r
 130         progressMonitor.worked(1);\r
 131         progressMonitor.done();\r
 132     }\r
 133 \r
 134     private boolean isTupleValue(Name name) {\r
 135         return name.module.equals(Types.BUILTIN) && name.name.startsWith("(") &&\r
 136                 (name.name.equals("()") || name.name.charAt(1) == ',');\r
 137     }\r
 138 \r
 139     @Override\r
 140     public String getElementName(Object item) {\r
 141         return item.toString();\r
 142     }\r
 143 \r
 144 }\r