Examples with SelectionChangedEvent org.eclipse.jface.viewers.SelectionChangedEvent used on opensource projects

Example 66 with SelectionChangedEvent

use of org.eclipse.jface.viewers.SelectionChangedEvent in project eclipse.platform.text by eclipse.

the class TemplatePreferencePage method createContents.

@Override
protected Control createContents(Composite ancestor) {
    Composite parent = new Composite(ancestor, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    parent.setLayout(layout);
    Composite innerParent = new Composite(parent, SWT.NONE);
    GridLayout innerLayout = new GridLayout();
    innerLayout.numColumns = 2;
    innerLayout.marginHeight = 0;
    innerLayout.marginWidth = 0;
    innerParent.setLayout(innerLayout);
    GridData gd = new GridData(GridData.FILL_BOTH);
    gd.horizontalSpan = 2;
    innerParent.setLayoutData(gd);
    Composite tableComposite = new Composite(innerParent, SWT.NONE);
    GridData data = new GridData(GridData.FILL_BOTH);
    data.widthHint = 360;
    data.heightHint = convertHeightInCharsToPixels(10);
    tableComposite.setLayoutData(data);
    ColumnLayout columnLayout = new ColumnLayout();
    tableComposite.setLayout(columnLayout);
    Table table = new Table(tableComposite, SWT.CHECK | SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL);
    table.setHeaderVisible(true);
    table.setLinesVisible(true);
    GC gc = new GC(getShell());
    gc.setFont(JFaceResources.getDialogFont());
    TemplateViewerComparator viewerComparator = new TemplateViewerComparator();
    TableColumn column1 = new TableColumn(table, SWT.NONE);
    column1.setText(TemplatesMessages.TemplatePreferencePage_column_name);
    int minWidth = computeMinimumColumnWidth(gc, TemplatesMessages.TemplatePreferencePage_column_name);
    columnLayout.addColumnData(new ColumnWeightData(2, minWidth, true));
    column1.addSelectionListener(new TemplateColumnSelectionAdapter(column1, 0, viewerComparator));
    TableColumn column2 = new TableColumn(table, SWT.NONE);
    column2.setText(TemplatesMessages.TemplatePreferencePage_column_context);
    minWidth = computeMinimumContextColumnWidth(gc);
    columnLayout.addColumnData(new ColumnWeightData(1, minWidth, true));
    column2.addSelectionListener(new TemplateColumnSelectionAdapter(column2, 1, viewerComparator));
    TableColumn column3 = new TableColumn(table, SWT.NONE);
    column3.setText(TemplatesMessages.TemplatePreferencePage_column_description);
    minWidth = computeMinimumColumnWidth(gc, TemplatesMessages.TemplatePreferencePage_column_description);
    columnLayout.addColumnData(new ColumnWeightData(3, minWidth, true));
    column3.addSelectionListener(new TemplateColumnSelectionAdapter(column3, 2, viewerComparator));
    TableColumn column4 = new TableColumn(table, SWT.NONE);
    column4.setAlignment(SWT.CENTER);
    column4.setText(TemplatesMessages.TemplatePreferencePage_column_autoinsert);
    minWidth = computeMinimumColumnWidth(gc, TemplatesMessages.TemplatePreferencePage_column_autoinsert);
    minWidth = Math.max(minWidth, computeMinimumColumnWidth(gc, TemplatesMessages.TemplatePreferencePage_on));
    columnLayout.addColumnData(new ColumnPixelData(minWidth, false, false));
    column4.addSelectionListener(new TemplateColumnSelectionAdapter(column4, 3, viewerComparator));
    gc.dispose();
    fTableViewer = new CheckboxTableViewer(table);
    fTableViewer.setLabelProvider(new TemplateLabelProvider());
    fTableViewer.setContentProvider(new TemplateContentProvider());
    fTableViewer.setComparator(viewerComparator);
    // Specify default sorting
    table.setSortColumn(column1);
    table.setSortDirection(viewerComparator.getDirection());
    fTableViewer.addDoubleClickListener(new IDoubleClickListener() {

        @Override
        public void doubleClick(DoubleClickEvent e) {
            edit();
        }
    });
    fTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent e) {
            selectionChanged1();
        }
    });
    fTableViewer.addCheckStateListener(new ICheckStateListener() {

        @Override
        public void checkStateChanged(CheckStateChangedEvent event) {
            TemplatePersistenceData d = (TemplatePersistenceData) event.getElement();
            d.setEnabled(event.getChecked());
        }
    });
    BidiUtils.applyTextDirection(fTableViewer.getControl(), BidiUtils.BTD_DEFAULT);
    Composite buttons = new Composite(innerParent, SWT.NONE);
    buttons.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
    layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    buttons.setLayout(layout);
    fAddButton = new Button(buttons, SWT.PUSH);
    fAddButton.setText(TemplatesMessages.TemplatePreferencePage_new);
    fAddButton.setLayoutData(getButtonGridData(fAddButton));
    fAddButton.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(Event e) {
            add();
        }
    });
    fEditButton = new Button(buttons, SWT.PUSH);
    fEditButton.setText(TemplatesMessages.TemplatePreferencePage_edit);
    fEditButton.setLayoutData(getButtonGridData(fEditButton));
    fEditButton.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(Event e) {
            edit();
        }
    });
    fRemoveButton = new Button(buttons, SWT.PUSH);
    fRemoveButton.setText(TemplatesMessages.TemplatePreferencePage_remove);
    fRemoveButton.setLayoutData(getButtonGridData(fRemoveButton));
    fRemoveButton.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(Event e) {
            remove();
        }
    });
    createSeparator(buttons);
    fRestoreButton = new Button(buttons, SWT.PUSH);
    fRestoreButton.setText(TemplatesMessages.TemplatePreferencePage_restore);
    fRestoreButton.setLayoutData(getButtonGridData(fRestoreButton));
    fRestoreButton.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(Event e) {
            restoreDeleted();
        }
    });
    fRevertButton = new Button(buttons, SWT.PUSH);
    fRevertButton.setText(TemplatesMessages.TemplatePreferencePage_revert);
    fRevertButton.setLayoutData(getButtonGridData(fRevertButton));
    fRevertButton.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(Event e) {
            revert();
        }
    });
    createSeparator(buttons);
    fImportButton = new Button(buttons, SWT.PUSH);
    fImportButton.setText(TemplatesMessages.TemplatePreferencePage_import);
    fImportButton.setLayoutData(getButtonGridData(fImportButton));
    fImportButton.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(Event e) {
            import_();
        }
    });
    fExportButton = new Button(buttons, SWT.PUSH);
    fExportButton.setText(TemplatesMessages.TemplatePreferencePage_export);
    fExportButton.setLayoutData(getButtonGridData(fExportButton));
    fExportButton.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(Event e) {
            export();
        }
    });
    fPatternViewer = doCreateViewer(parent);
    if (isShowFormatterSetting()) {
        fFormatButton = new Button(parent, SWT.CHECK);
        fFormatButton.setText(TemplatesMessages.TemplatePreferencePage_use_code_formatter);
        GridData gd1 = new GridData();
        gd1.horizontalSpan = 2;
        fFormatButton.setLayoutData(gd1);
        fFormatButton.setSelection(getPreferenceStore().getBoolean(getFormatterPreferenceKey()));
    }
    fTableViewer.setInput(fTemplateStore);
    fTableViewer.setAllChecked(false);
    fTableViewer.setCheckedElements(getEnabledTemplates());
    updateButtons();
    Dialog.applyDialogFont(parent);
    innerParent.layout();
    return parent;
}

Example 67 with SelectionChangedEvent

use of org.eclipse.jface.viewers.SelectionChangedEvent in project eclipse.platform.text by eclipse.

the class SpellingConfigurationBlock method createProviderViewer.

private ComboViewer createProviderViewer() {
    /* list viewer */
    final ComboViewer viewer = new ComboViewer(fProviderCombo);
    viewer.setContentProvider(new IStructuredContentProvider() {

        @Override
        public void dispose() {
        }

        @Override
        public void inputChanged(Viewer v, Object oldInput, Object newInput) {
        }

        @Override
        public Object[] getElements(Object inputElement) {
            return fProviderDescriptors.values().toArray();
        }
    });
    viewer.setLabelProvider(new LabelProvider() {

        @Override
        public Image getImage(Object element) {
            return null;
        }

        @Override
        public String getText(Object element) {
            return ((SpellingEngineDescriptor) element).getLabel();
        }
    });
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection sel = (IStructuredSelection) event.getSelection();
            if (sel.isEmpty())
                return;
            if (fCurrentBlock != null && fStatusMonitor.getStatus() != null && fStatusMonitor.getStatus().matches(IStatus.ERROR))
                if (isPerformRevert()) {
                    ISafeRunnable runnable = new ISafeRunnable() {

                        @Override
                        public void run() throws Exception {
                            fCurrentBlock.performRevert();
                        }

                        @Override
                        public void handleException(Throwable x) {
                        }
                    };
                    SafeRunner.run(runnable);
                } else {
                    revertSelection();
                    return;
                }
            fStore.setValue(SpellingService.PREFERENCE_SPELLING_ENGINE, ((SpellingEngineDescriptor) sel.getFirstElement()).getId());
            updateListDependencies();
        }

        private boolean isPerformRevert() {
            Shell shell = viewer.getControl().getShell();
            MessageDialog dialog = new MessageDialog(shell, TextEditorMessages.SpellingConfigurationBlock_error_title, null, TextEditorMessages.SpellingConfigurationBlock_error_message, MessageDialog.QUESTION, new String[] { IDialogConstants.YES_LABEL, IDialogConstants.NO_LABEL }, 1);
            return dialog.open() == 0;
        }

        private void revertSelection() {
            try {
                viewer.removeSelectionChangedListener(this);
                SpellingEngineDescriptor desc = EditorsUI.getSpellingService().getActiveSpellingEngineDescriptor(fStore);
                if (desc != null)
                    viewer.setSelection(new StructuredSelection(desc), true);
            } finally {
                viewer.addSelectionChangedListener(this);
            }
        }
    });
    viewer.setInput(fProviderDescriptors);
    viewer.refresh();
    return viewer;
}

Example 68 with SelectionChangedEvent

use of org.eclipse.jface.viewers.SelectionChangedEvent in project eclipse.platform.text by eclipse.

the class RevisionSelectionProvider method fireSelectionEvent.

private void fireSelectionEvent() {
    fIgnoreEvents = true;
    try {
        ISelection selection = getSelection();
        SelectionChangedEvent event = new SelectionChangedEvent(this, selection);
        for (ISelectionChangedListener listener : fListeners) {
            listener.selectionChanged(event);
        }
    } finally {
        fIgnoreEvents = false;
    }
}

Example 69 with SelectionChangedEvent

use of org.eclipse.jface.viewers.SelectionChangedEvent in project eclipse.platform.text by eclipse.

the class TextViewer method fireSelectionChanged.

/**
 * Sends out a text selection changed event to all registered listeners.
 *
 * @param offset the offset of the newly selected range in the visible document
 * @param length the length of the newly selected range in the visible document
 * @since 3.0
 */
protected void fireSelectionChanged(int offset, int length) {
    if (redraws()) {
        if (length < 0) {
            length = -length;
            offset = offset + length;
        }
        IRegion r = widgetRange2ModelRange(new Region(offset, length));
        if ((r != null && !r.equals(fLastSentSelectionChange)) || r == null) {
            fLastSentSelectionChange = r;
            ISelection selection = r != null ? new TextSelection(getDocument(), r.getOffset(), r.getLength()) : TextSelection.emptySelection();
            SelectionChangedEvent event = new SelectionChangedEvent(this, selection);
            fireSelectionChanged(event);
        }
    }
}

Example 70 with SelectionChangedEvent

use of org.eclipse.jface.viewers.SelectionChangedEvent in project eclipse.platform.text by eclipse.

the class TextViewer method firePostSelectionChanged.

/**
 * Sends out a text selection changed event to all registered post selection changed listeners.
 *
 * @param offset the offset of the newly selected range in the visible document
 * @param length the length of the newly selected range in the visible document
 * @since 3.0
 */
protected void firePostSelectionChanged(int offset, int length) {
    if (redraws()) {
        IRegion r = widgetRange2ModelRange(new Region(offset, length));
        ISelection selection = r != null ? new TextSelection(getDocument(), r.getOffset(), r.getLength()) : TextSelection.emptySelection();
        SelectionChangedEvent event = new SelectionChangedEvent(this, selection);
        firePostSelectionChanged(event);
    }
}