Examples of org.eclipse.jface.viewers.StyledString

org.eclipse.jface.viewers.StyledString
A mutable string with styled ranges. All ranges mark substrings of the string and do not overlap. Styles are applied using instances of {@link Styler} tocompute the result of {@link #getStyleRanges()}. The styled string can be built in the following two ways:
- new strings with stylers can be appended
- stylers can by applied to ranges of the existing string
This class may be instantiated; it is not intended to be subclassed.
@since 3.4

  // }
  @Test public void should_return_label_for_stream() {
    Stream stream = xtext.findFirst(Stream.class);
    Object label = labels.labelFor(stream);
    assertThat(label, instanceOf(StyledString.class));
    StyledString labelText = (StyledString) label;
    assertThat(labelText.getString(), equalTo("PersonStream (Person, Type)"));
  }

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  // }
  @Test public void should_return_label_for_stream_with_unresolved_client_message() {
    Stream stream = xtext.findFirst(Stream.class);
    Object label = labels.labelFor(stream);
    assertThat(label, instanceOf(StyledString.class));
    StyledString labelText = (StyledString) label;
    assertThat(labelText.getString(), equalTo("PersonStream (<unresolved>, Type)"));
  }

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  // }
  @Test public void should_return_label_for_stream_with_unresolved_server_message() {
    Stream stream = xtext.findFirst(Stream.class);
    Object label = labels.labelFor(stream);
    assertThat(label, instanceOf(StyledString.class));
    StyledString labelText = (StyledString) label;
    assertThat(labelText.getString(), equalTo("PersonStream (Person, <unresolved>)"));
  }

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    return (ProtobufScopeProvider) super.getScopeProvider();
  }


  @Override public ICompletionProposal createCompletionProposal(String proposal, String displayString, Image image,
      ContentAssistContext contentAssistContext) {
    StyledString styled = null;
    if (displayString != null) {
      styled = new StyledString(displayString);
    }
    int priority = getPriorityHelper().getDefaultPriority();
    String prefix = contentAssistContext.getPrefix();
    return createCompletionProposal(proposal, styled, image, priority, prefix, contentAssistContext);
  }

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  private Object labelFor(Import anImport) {
    return imports.uriAsEnteredByUser(anImport);
  }


  private Object labelFor(Literal literal) {
    StyledString text = new StyledString(nameResolver.nameOf(literal));
    String index = String.format(" [%d]", literal.getIndex());
    text.append(index, DECORATIONS_STYLER);
    return text;
  }

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    return text;
  }




  private Object labelFor(MessageField field) {
    StyledString text = new StyledString(nameResolver.nameOf(field));
    String typeName = messageFields.typeNameOf(field);
    if (typeName == null) {
      typeName = unresolved;
    }
    String indexAndType = String.format(" [%d] : %s", field.getIndex(), typeName);
    text.append(indexAndType, DECORATIONS_STYLER);
    return text;
  }

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    text.append(indexAndType, DECORATIONS_STYLER);
    return text;
  }


  private Object labelFor(Rpc rpc) {
    StyledString text = new StyledString(nameResolver.nameOf(rpc));
    String types = String.format(" : %s > %s", nameOf(rpc.getArgType()), nameOf(rpc.getReturnType()));
    text.append(types, DECORATIONS_STYLER);
    return text;
  }

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    text.append(types, DECORATIONS_STYLER);
    return text;
  }


  private Object labelFor(Stream stream) {
    StyledString text = new StyledString(nameResolver.nameOf(stream));
    String types = String.format(" (%s, %s)", nameOf(stream.getClientMessage()), nameOf(stream.getServerMessage()));
    text.append(types, DECORATIONS_STYLER);
    return text;
  }

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    return null;
  }
  
  @Override
  public StyledString getStyledText(Object element) {
    StyledString ss = super.getStyledText(element);
    if(element instanceof function){
      String text = ss.getString();
      if(isDefaultXVRFunc(text)){
        XVRStyler sty = new XVRStyler();
        ss.setStyle(0, text.length(), sty);
      }
    }
    return ss;
  }

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    public void update(ViewerCell cell) {
        Object element = cell.getElement();
        if (element != null && element instanceof ITreeElement) {
            ITreeElement treeElement = (ITreeElement) element;


            StyledString styledString = treeElement.getStyledText();
            if (styledString != null) {
                cell.setText(styledString.toString());
                cell.setStyleRanges(styledString.getStyleRanges());
            } else {
                cell.setText(null);
            }


            cell.setImage(treeElement.getImage());

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