Example usage for org.eclipse.jface.viewers ViewerComparator ViewerComparator

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers ViewerComparator ViewerComparator.

Prototype

public ViewerComparator() 

Source Link

Document

Creates a new ViewerComparator , which uses the default comparator to sort strings.

Usage

From source file:org.eclipse.ui.views.markers.internal.DialogMarkerFilter.java

License:Open Source License

/**
 * Return the sorter for the receiver./*from  w  w  w . ja  v  a2 s.  co m*/
 * 
 * @return ViewerSorter
 */
protected ViewerComparator getComparator() {
    return new ViewerComparator() {
        /*
         * (non-Javadoc)
         * 
         * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer,
         *      java.lang.Object, java.lang.Object)
         */
        public int compare(Viewer viewer, Object e1, Object e2) {
            return getComparator().compare(((AbstractNode) e1).getName(), ((AbstractNode) e2).getName());
        }
    };
}

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From source file:org.eclipse.ui.views.markers.internal.MarkerResolutionDialog.java

License:Open Source License

/**
 * Create the resolutions sorter./*from ww w  .  ja  v a  2 s. c om*/
 */
private void initializeResolutionsSorter() {
    resolutionsComparator = new ViewerComparator() {
        /*
         * (non-Javadoc)
         * 
         * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer,
         *      java.lang.Object, java.lang.Object)
         */
        public int compare(Viewer viewer, Object e1, Object e2) {
            return ((IMarkerResolution) e1).getLabel().compareTo(((IMarkerResolution) e1).getLabel());
        }
    };
}

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From source file:org.eclipse.ui.views.tasklist.FiltersDialog.java

License:Open Source License

private ViewerComparator getViewerComparator() {
    return new ViewerComparator() {
        public int compare(Viewer viewer, Object e1, Object e2) {
            MarkerType t1 = (MarkerType) e1;
            MarkerType t2 = (MarkerType) e2;
            return getComparator().compare(t1.getLabel(), t2.getLabel());
        }//w w  w.j  a  va2s.com
    };
}

---

From source file:org.eclipse.umlgen.dsl.eth.presentation.components.ComponentsEditorDialog.java

License:Open Source License

/**
 * {@inheritDoc}// w w  w.  j a  va 2s  . com
 *
 * @see org.eclipse.emf.edit.ui.celleditor.FeatureEditorDialog#createDialogArea(org.eclipse.swt.widgets.Composite)
 */
@Override
protected Control createDialogArea(Composite parent) {
    Composite contents = new Composite(parent, SWT.NONE);
    {
        GridLayout layout = new GridLayout();
        layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
        layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
        layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
        layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
        contents.setLayout(layout);
        contents.setLayoutData(new GridData(GridData.FILL_BOTH));
        applyDialogFont(contents);
    }

    GridLayout contentsGridLayout = (GridLayout) contents.getLayout();
    contentsGridLayout.numColumns = 3;

    GridData contentsGridData = (GridData) contents.getLayoutData();
    contentsGridData.horizontalAlignment = SWT.FILL;
    contentsGridData.verticalAlignment = SWT.FILL;

    Text patternText = null;

    if (choiceOfValues != null) {
        Group filterGroupComposite = new Group(contents, SWT.NONE);
        filterGroupComposite.setText(EMFEditUIPlugin.INSTANCE.getString("_UI_Choices_pattern_group"));
        filterGroupComposite.setLayout(new GridLayout(2, false));
        filterGroupComposite.setLayoutData(new GridData(SWT.FILL, SWT.DEFAULT, true, false, 3, 1));

        Label label = new Label(filterGroupComposite, SWT.NONE);
        label.setText(EMFEditUIPlugin.INSTANCE.getString("_UI_Choices_pattern_label"));

        patternText = new Text(filterGroupComposite, SWT.BORDER);
        patternText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    }

    Composite choiceComposite = new Composite(contents, SWT.NONE);
    {
        GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
        data.horizontalAlignment = SWT.END;
        choiceComposite.setLayoutData(data);

        GridLayout layout = new GridLayout();
        data.horizontalAlignment = SWT.FILL;
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        layout.numColumns = 1;
        choiceComposite.setLayout(layout);

    }

    Label choiceLabel = new Label(choiceComposite, SWT.NONE);
    choiceLabel.setText(choiceOfValues == null ? EMFEditUIPlugin.INSTANCE.getString("_UI_Value_label")
            : EMFEditUIPlugin.INSTANCE.getString("_UI_Choices_label"));
    GridData choiceLabelGridData = new GridData();
    choiceLabelGridData.verticalAlignment = SWT.FILL;
    choiceLabelGridData.horizontalAlignment = SWT.FILL;
    choiceLabel.setLayoutData(choiceLabelGridData);

    final Tree choiceTable = choiceOfValues == null ? null : new Tree(choiceComposite, SWT.MULTI | SWT.BORDER);
    if (choiceTable != null) {
        GridData choiceTableGridData = new GridData();
        choiceTableGridData.widthHint = Display.getCurrent().getBounds().width / 5;
        choiceTableGridData.heightHint = Display.getCurrent().getBounds().height / 3;
        choiceTableGridData.verticalAlignment = SWT.FILL;
        choiceTableGridData.horizontalAlignment = SWT.FILL;
        choiceTableGridData.grabExcessHorizontalSpace = true;
        choiceTableGridData.grabExcessVerticalSpace = true;
        choiceTable.setLayoutData(choiceTableGridData);
    }

    final TreeViewer choiceTreeViewer = choiceOfValues == null ? null : new TreeViewer(choiceTable);
    if (choiceOfValues != null) {
        choiceTreeViewer.setContentProvider(new ComponentsChoiceAdapterFactoryContentProvider(
                new TreeItemProviderAdapterFactory(), values.getChildren(), object));
        choiceTreeViewer.setLabelProvider(labelProvider);
        final PatternFilter filter = new PatternFilter() {
            @Override
            protected boolean isParentMatch(Viewer viewer, Object element) {
                return viewer instanceof AbstractTreeViewer && super.isParentMatch(viewer, element);
            }
        };
        choiceTreeViewer.addFilter(filter);
        choiceTreeViewer.setComparator(new ViewerComparator());
        assert patternText != null;
        patternText.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                filter.setPattern(((Text) e.widget).getText());
                choiceTreeViewer.refresh();
            }
        });
        choiceTreeViewer.setInput(new ItemProvider(choiceOfValues));

    }

    // We use multi even for a single line because we want to respond to the
    // enter key.
    //
    int style = multiLine ? SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER : SWT.MULTI | SWT.BORDER;
    final Text choiceText = choiceOfValues == null ? new Text(choiceComposite, style) : null;
    if (choiceText != null) {
        GridData choiceTextGridData = new GridData();
        choiceTextGridData.widthHint = Display.getCurrent().getBounds().width / 5;
        choiceTextGridData.verticalAlignment = SWT.BEGINNING;
        choiceTextGridData.horizontalAlignment = SWT.FILL;
        choiceTextGridData.grabExcessHorizontalSpace = true;
        if (multiLine) {
            choiceTextGridData.verticalAlignment = SWT.FILL;
            choiceTextGridData.grabExcessVerticalSpace = true;
        }
        choiceText.setLayoutData(choiceTextGridData);
    }

    Composite controlButtons = new Composite(contents, SWT.NONE);
    GridData controlButtonsGridData = new GridData();
    controlButtonsGridData.verticalAlignment = SWT.FILL;
    controlButtonsGridData.horizontalAlignment = SWT.FILL;
    controlButtons.setLayoutData(controlButtonsGridData);

    GridLayout controlsButtonGridLayout = new GridLayout();
    controlButtons.setLayout(controlsButtonGridLayout);

    new Label(controlButtons, SWT.NONE);

    final Button addButton = new Button(controlButtons, SWT.PUSH);
    addButton.setText(EMFEditUIPlugin.INSTANCE.getString("_UI_Add_label"));
    GridData addButtonGridData = new GridData();
    addButtonGridData.verticalAlignment = SWT.FILL;
    addButtonGridData.horizontalAlignment = SWT.FILL;
    addButton.setLayoutData(addButtonGridData);

    final Button removeButton = new Button(controlButtons, SWT.PUSH);
    removeButton.setText(EMFEditUIPlugin.INSTANCE.getString("_UI_Remove_label"));
    GridData removeButtonGridData = new GridData();
    removeButtonGridData.verticalAlignment = SWT.FILL;
    removeButtonGridData.horizontalAlignment = SWT.FILL;
    removeButton.setLayoutData(removeButtonGridData);

    Label spaceLabel = new Label(controlButtons, SWT.NONE);
    GridData spaceLabelGridData = new GridData();
    spaceLabelGridData.verticalSpan = 2;
    spaceLabel.setLayoutData(spaceLabelGridData);

    Composite featureComposite = new Composite(contents, SWT.NONE);
    {
        GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
        data.horizontalAlignment = SWT.END;
        featureComposite.setLayoutData(data);

        GridLayout layout = new GridLayout();
        data.horizontalAlignment = SWT.FILL;
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        layout.numColumns = 1;
        featureComposite.setLayout(layout);
    }

    Label featureLabel = new Label(featureComposite, SWT.NONE);
    featureLabel.setText(EMFEditUIPlugin.INSTANCE.getString("_UI_Feature_label"));
    GridData featureLabelGridData = new GridData();
    featureLabelGridData.horizontalSpan = 2;
    featureLabelGridData.horizontalAlignment = SWT.FILL;
    featureLabelGridData.verticalAlignment = SWT.FILL;
    featureLabel.setLayoutData(featureLabelGridData);

    final Tree featureTable = new Tree(featureComposite, SWT.MULTI | SWT.BORDER);
    GridData featureTableGridData = new GridData();
    featureTableGridData.widthHint = Display.getCurrent().getBounds().width / 5;
    featureTableGridData.heightHint = Display.getCurrent().getBounds().height / 3;
    featureTableGridData.verticalAlignment = SWT.FILL;
    featureTableGridData.horizontalAlignment = SWT.FILL;
    featureTableGridData.grabExcessHorizontalSpace = true;
    featureTableGridData.grabExcessVerticalSpace = true;
    featureTable.setLayoutData(featureTableGridData);

    final TreeViewer featureTableViewer = new TreeViewer(featureTable);
    featureTableViewer.setContentProvider(contentProvider);
    featureTableViewer.setLabelProvider(labelProvider);
    featureTableViewer.setComparator(new ViewerComparator());
    featureTableViewer.setInput(values);
    if (!values.getChildren().isEmpty()) {
        featureTableViewer.setSelection(new StructuredSelection(values.getChildren().get(0)));
    }

    if (choiceTreeViewer != null) {
        choiceTreeViewer.addDoubleClickListener(new IDoubleClickListener() {
            public void doubleClick(DoubleClickEvent event) {
                if (addButton.isEnabled()) {
                    addButton.notifyListeners(SWT.Selection, null);
                }
            }
        });

        featureTableViewer.addDoubleClickListener(new IDoubleClickListener() {
            public void doubleClick(DoubleClickEvent event) {
                if (removeButton.isEnabled()) {
                    removeButton.notifyListeners(SWT.Selection, null);
                }
            }
        });
    }

    if (choiceText != null) {
        choiceText.addKeyListener(new KeyAdapter() {
            @Override
            public void keyPressed(KeyEvent event) {
                if (!multiLine && (event.character == '\r' || event.character == '\n')) {
                    try {
                        Object value = EcoreUtil.createFromString((EDataType) eClassifier,
                                choiceText.getText());
                        values.getChildren().add(value);
                        choiceText.setText("");
                        featureTableViewer.setSelection(new StructuredSelection(value));
                        event.doit = false;
                    } catch (RuntimeException exception) {
                        // Ignore
                    }
                } else if (event.character == '\33') {
                    choiceText.setText("");
                    event.doit = false;
                }
            }
        });
    }

    addButton.addSelectionListener(new SelectionAdapter() {
        // event is null when choiceTableViewer is double clicked
        @Override
        public void widgetSelected(SelectionEvent event) {
            if (choiceTreeViewer != null) {
                IStructuredSelection selection = (IStructuredSelection) choiceTreeViewer.getSelection();
                for (Iterator<?> i = selection.iterator(); i.hasNext();) {
                    Object value = i.next();
                    if (isCandidateValue(value)) {
                        values.getChildren().add(value);
                    }
                }
                featureTableViewer.setSelection(selection);
                choiceTreeViewer.refresh();
            } else if (choiceText != null) {
                try {
                    Object value = EcoreUtil.createFromString((EDataType) eClassifier, choiceText.getText());
                    if (isCandidateValue(value)) {
                        values.getChildren().add(value);
                        choiceText.setText("");
                    }
                    featureTableViewer.setSelection(new StructuredSelection(value));
                } catch (RuntimeException exception) {
                    // Ignore
                }
            }
            choiceTreeViewer.refresh();
        }
    });

    removeButton.addSelectionListener(new SelectionAdapter() {
        // event is null when featureTableViewer is double clicked
        @Override
        public void widgetSelected(SelectionEvent event) {
            IStructuredSelection selection = (IStructuredSelection) featureTableViewer.getSelection();
            Object firstValue = null;
            for (Iterator<?> i = selection.iterator(); i.hasNext();) {
                Object value = i.next();
                if (firstValue == null) {
                    firstValue = value;
                }
                values.getChildren().remove(value);
            }

            if (!values.getChildren().isEmpty()) {
                featureTableViewer.setSelection(new StructuredSelection(values.getChildren().get(0)));
            }

            if (choiceTreeViewer != null) {
                choiceTreeViewer.setSelection(selection);
            } else if (choiceText != null) {
                if (firstValue != null) {
                    String value = EcoreUtil.convertToString((EDataType) eClassifier, firstValue);
                    choiceText.setText(value);
                }
            }
            choiceTreeViewer.refresh();
        }
    });

    return contents;
}

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