Examples of org.eclipse.jface.text.source.SourceViewer

org.eclipse.jface.text.source.SourceViewer
SWT based implementation of {@link org.eclipse.jface.text.source.ISourceViewer} and its extensioninterfaces. The same rules apply as for {@link org.eclipse.jface.text.TextViewer}. A source viewer uses an IVerticalRuler as its annotation presentation area. The vertical ruler is a small strip shown left of the viewer's text widget. A source viewer uses an IOverviewRuler as its presentation area for the annotation overview. The overview ruler is a small strip shown right of the viewer's text widget.
Clients are supposed to instantiate a source viewer and subsequently to communicate with it exclusively using the ISourceViewer and its extension interfaces.

Clients may subclass this class but should expect some breakage by future releases.

  }


  @Override
  protected ISourceViewer createSourceViewer(Composite parent,
          org.eclipse.jface.text.source.IVerticalRuler ruler, int styles) {
    SourceViewer sourceViewer = new SourceViewer(parent, ruler, styles);


    sourceViewer.setEditable(false);


    mPainter = new AnnotationPainter(sourceViewer, new AnnotationAccess());


    sourceViewer.addPainter(mPainter);


    return sourceViewer;
  }

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  }


  @Override
  protected ISourceViewer createSourceViewer(Composite parent,
          org.eclipse.jface.text.source.IVerticalRuler ruler, int styles) {
    SourceViewer sourceViewer = new SourceViewer(parent, ruler, styles);


    sourceViewer.setEditable(false);


    mPainter = new AnnotationPainter(sourceViewer, new AnnotationAccess());


    sourceViewer.addPainter(mPainter);
    
    return sourceViewer;
  }

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      FillLayout fillLayout = new FillLayout();
      fillLayout.type = SWT.HORIZONTAL;
      fillLayout.spacing = 5;
      sourcePairComposite.setLayout(fillLayout);
    }
    SourceViewer sourceViewerLeft =
        new SourceViewer(sourcePairComposite, null, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sourceViewerLeft.getTextWidget().setEditable(false);
    SourceViewer sourceViewerRight =
        new SourceViewer(sourcePairComposite, null, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sourceViewerRight.getTextWidget().setEditable(false);


    {
      functionStatusText = new Text(composite, SWT.READ_ONLY | SWT.MULTI | SWT.WRAP | SWT.V_SCROLL);
      Display display = composite.getDisplay();
      functionStatusText.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));

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                    lockedEditors.remove(editorPart);
                    textViewer
                        .removeVerifyKeyListener(EditorAPI.this.keyVerifier);


                    // enable editing and undo-manager
                    SourceViewer sourceViewer = (SourceViewer) textViewer;
                    sourceViewer.setEditable(true);


                    // TODO use undoLevel from Preferences (TextEditorPlugin)
                    sourceViewer.getUndoManager().setMaximalUndoLevel(200);


                } else {
                    lockedEditors.add(editorPart);
                    textViewer
                        .prependVerifyKeyListener(EditorAPI.this.keyVerifier);


                    // disable editing and undo-manager
                    SourceViewer sourceViewer = (SourceViewer) textViewer;
                    sourceViewer.setEditable(false);
                    sourceViewer.getUndoManager().setMaximalUndoLevel(0);
                }
            }
        });
    }

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      public LineStyleProvider[] getLineStyleProviders(ISourceViewer sourceViewer, String partitionType) {
        return baseConfiguration.getLineStyleProviders(sourceViewer, partitionType);
      }
    };
    SourceViewer viewer = new StructuredTextViewer(parent, null, null, false, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    viewer.getTextWidget().setFont(JFaceResources.getFont("org.eclipse.wst.sse.ui.textfont")); //$NON-NLS-1$
    IStructuredModel scratchModel = StructuredModelManager.getModelManager().createUnManagedStructuredModelFor(ContentTypeIdForJSP.ContentTypeID_JSPTAG);
    IDocument document = scratchModel.getStructuredDocument();
    viewer.configure(sourceViewerConfiguration);
    viewer.setDocument(document);
    return viewer;
  }

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    label.setText(JSPUIMessages.NewTagTemplatesWizardPage_5);
    GridData data = new GridData();
    data.horizontalSpan = 2;
    label.setLayoutData(data);


    SourceViewer viewer = createViewer(parent);
    viewer.setEditable(false);


    Control control = viewer.getControl();
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 2;
    data.heightHint = convertHeightInCharsToPixels(5);
    // [261274] - source viewer was growing to fit the max line width of the template
    data.widthHint = convertWidthInCharsToPixels(2);

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    Composite sampleArea = createComposite(editor, 1);


    ((GridLayout) sampleArea.getLayout()).marginLeft = 5;
    ((GridLayout) sampleArea.getLayout()).marginTop = 5;
    createLabel(sampleArea, SSEUIMessages.Sample_text__UI_); //$NON-NLS-1$ = "&Sample text:"
    SourceViewer viewer = new SourceViewer(sampleArea, null, SWT.BORDER | SWT.LEFT_TO_RIGHT | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.READ_ONLY);
    fText = viewer.getTextWidget();
    GridData gridData3 = new GridData(SWT.FILL, SWT.FILL, true, true);
    gridData3.widthHint = convertWidthInCharsToPixels(20);
    gridData3.heightHint = convertHeightInCharsToPixels(5);
    gridData3.horizontalSpan = 2;
    fText.setLayoutData(gridData3);
    fText.setEditable(false);
    fText.setFont(JFaceResources.getFont("org.eclipse.wst.sse.ui.textfont")); //$NON-NLS-1$
    fText.addKeyListener(getTextKeyListener());
    fText.addSelectionListener(getTextSelectionListener());
    fText.addMouseListener(getTextMouseListener());
    fText.addTraverseListener(getTraverseListener());
    setAccessible(fText, SSEUIMessages.Sample_text__UI_);
    fDocument = StructuredModelManager.getModelManager().createStructuredDocumentFor(ContentTypeIdForJSP.ContentTypeID_JSP);
    fDocument.set(getExampleText());
    viewer.setDocument(fDocument);


    top.setWeights(new int[]{1, 1});
    editor.setWeights(new int[]{1, 1});
    PlatformUI.getWorkbench().getHelpSystem().setHelp(pageComponent, IHelpContextIds.JSP_PREFWEBX_STYLES_HELPID);

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      public LineStyleProvider[] getLineStyleProviders(ISourceViewer sourceViewer, String partitionType) {
        return baseConfiguration.getLineStyleProviders(sourceViewer, partitionType);
      }
    };
    SourceViewer viewer = new StructuredTextViewer(parent, null, null, false, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    viewer.getTextWidget().setFont(JFaceResources.getFont("org.eclipse.wst.sse.ui.textfont")); //$NON-NLS-1$
    IStructuredModel scratchModel = StructuredModelManager.getModelManager().createUnManagedStructuredModelFor(ContentTypeIdForJSP.ContentTypeID_JSP);
    IDocument document = scratchModel.getStructuredDocument();
    viewer.configure(sourceViewerConfiguration);
    viewer.setDocument(document);
    return viewer;
  }

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    label.setText(JSPUIMessages.NewJSPTemplatesWizardPage_5);
    GridData data = new GridData();
    data.horizontalSpan = 2;
    label.setLayoutData(data);


    SourceViewer viewer = createViewer(parent);
    viewer.setEditable(false);


    Control control = viewer.getControl();
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 2;
    data.heightHint = convertHeightInCharsToPixels(5);
    // [261274] - source viewer was growing to fit the max line width of the template
    data.widthHint = convertWidthInCharsToPixels(2);

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    };
    return doCreateViewer(parent, sourceViewerConfiguration);
  }


  SourceViewer doCreateViewer(Composite parent, SourceViewerConfiguration viewerConfiguration) {
    SourceViewer viewer = null;
    String contentTypeID = ContentTypeIdForJSP.ContentTypeID_JSP;
    viewer = new StructuredTextViewer(parent, null, null, false, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    viewer.getTextWidget().setFont(JFaceResources.getFont("org.eclipse.wst.sse.ui.textfont")); //$NON-NLS-1$
    IStructuredModel scratchModel = StructuredModelManager.getModelManager().createUnManagedStructuredModelFor(contentTypeID);
    IDocument document = scratchModel.getStructuredDocument();
    viewer.configure(viewerConfiguration);
    viewer.setDocument(document);
    return viewer;
  }

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