Examples with TextHoverDescriptor org.eclipse.wst.sse.ui.internal.taginfo.TextHoverManager.TextHoverDescriptor used on opensource projects

Example 1 with TextHoverDescriptor

use of org.eclipse.wst.sse.ui.internal.taginfo.TextHoverManager.TextHoverDescriptor in project webtools.sourceediting by eclipse.

the class TextHoverPreferenceTab method createContents.

/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.wst.sse.ui.preferences.ui.IPreferenceTab#createContents(org.eclipse.swt.widgets.Composite)
	 */
public Control createContents(Composite tabFolder) {
    Composite hoverComposite = new Composite(tabFolder, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;
    hoverComposite.setLayout(layout);
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    hoverComposite.setLayoutData(gd);
    // commented out until these preferences are actually handled in some
    // way
    // String rollOverLabel=
    // ResourceHandler.getString("TextHoverPreferenceTab.annotationRollover");
    // //$NON-NLS-1$
    // addCheckBox(hoverComposite, rollOverLabel,
    // CommonEditorPreferenceNames.EDITOR_ANNOTATION_ROLL_OVER, 0);
    // 
    // // Affordance checkbox
    // String showAffordanceLabel =
    // ResourceHandler.getString("TextHoverPreferenceTab.showAffordance");
    // //$NON-NLS-1$
    // addCheckBox(hoverComposite, showAffordanceLabel,
    // CommonEditorPreferenceNames.EDITOR_SHOW_TEXT_HOVER_AFFORDANCE, 0);
    Label label = new Label(hoverComposite, SWT.NONE);
    // $NON-NLS-1$
    label.setText(SSEUIMessages.TextHoverPreferenceTab_hoverPreferences);
    gd = new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1);
    gd.horizontalAlignment = GridData.BEGINNING;
    label.setLayoutData(gd);
    fHoverTableViewer = CheckboxTableViewer.newCheckList(hoverComposite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION);
    // Hover table
    fHoverTable = fHoverTableViewer.getTable();
    fHoverTable.setHeaderVisible(true);
    fHoverTable.setLinesVisible(true);
    gd = new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1);
    // https://bugs.eclipse.org/bugs/show_bug.cgi?id=104507
    GC gc = new GC(fHoverTable);
    gc.setFont(fHoverTable.getFont());
    FontMetrics fontMetrics = gc.getFontMetrics();
    gc.dispose();
    int heightHint = Dialog.convertHeightInCharsToPixels(fontMetrics, 7);
    gd.heightHint = heightHint;
    fHoverTable.setLayoutData(gd);
    TableLayout tableLayout = new TableLayout();
    tableLayout.addColumnData(new ColumnWeightData(1, 140, true));
    tableLayout.addColumnData(new ColumnWeightData(1, 140, true));
    fHoverTable.setLayout(tableLayout);
    fHoverTable.addSelectionListener(new SelectionListener() {

        public void widgetDefaultSelected(SelectionEvent e) {
        }

        public void widgetSelected(SelectionEvent e) {
            handleHoverListSelection();
        }
    });
    fNameColumn = new TableColumn(fHoverTable, SWT.NONE);
    // $NON-NLS-1$
    fNameColumn.setText(SSEUIMessages.TextHoverPreferenceTab_nameColumnTitle);
    fNameColumn.setResizable(true);
    fModifierColumn = new TableColumn(fHoverTable, SWT.NONE);
    // $NON-NLS-1$
    fModifierColumn.setText(SSEUIMessages.TextHoverPreferenceTab_modifierColumnTitle);
    fModifierColumn.setResizable(true);
    fHoverTableViewer.setUseHashlookup(true);
    fHoverTableViewer.setContentProvider(new ArrayContentProvider());
    fHoverTableViewer.setLabelProvider(new InternalTableLabelProvider());
    ((CheckboxTableViewer) fHoverTableViewer).addCheckStateListener(new ICheckStateListener() {

        /*
			 * @see org.eclipse.jface.viewers.ICheckStateListener#checkStateChanged(org.eclipse.jface.viewers.CheckStateChangedEvent)
			 */
        public void checkStateChanged(CheckStateChangedEvent event) {
            String id = ((TextHoverDescriptor) event.getElement()).getId();
            if (id == null)
                return;
            TextHoverManager.TextHoverDescriptor[] descriptors = getTextHoverManager().getTextHovers();
            TextHoverManager.TextHoverDescriptor hoverConfig = null;
            int i = 0, length = fTextHovers.length;
            while (i < length) {
                if (id.equals(descriptors[i].getId())) {
                    hoverConfig = fTextHovers[i];
                    hoverConfig.setEnabled(event.getChecked());
                    fModifierEditor.setEnabled(event.getChecked());
                    fHoverTableViewer.setSelection(new StructuredSelection(descriptors[i]));
                }
                i++;
            }
            handleHoverListSelection();
            updateStatus(hoverConfig);
        }
    });
    // Text field for modifier string
    label = new Label(hoverComposite, SWT.LEFT);
    // $NON-NLS-1$
    label.setText(SSEUIMessages.TextHoverPreferenceTab_keyModifier);
    fModifierEditor = new Text(hoverComposite, SWT.BORDER);
    gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
    fModifierEditor.setLayoutData(gd);
    fModifierEditor.addKeyListener(new KeyListener() {

        private boolean isModifierCandidate;

        public void keyPressed(KeyEvent e) {
            isModifierCandidate = e.keyCode > 0 && e.character == 0 && e.stateMask == 0;
        }

        public void keyReleased(KeyEvent e) {
            if (isModifierCandidate && e.stateMask > 0 && e.stateMask == e.stateMask && e.character == 0) {
                // &&
                // e.time
                // -time
                // <
                // 1000)
                // {
                String text = fModifierEditor.getText();
                Point selection = fModifierEditor.getSelection();
                int i = selection.x - 1;
                while (i > -1 && Character.isWhitespace(text.charAt(i))) {
                    i--;
                }
                boolean needsPrefixDelimiter = i > -1 && !String.valueOf(text.charAt(i)).equals(DELIMITER);
                i = selection.y;
                while (i < text.length() && Character.isWhitespace(text.charAt(i))) {
                    i++;
                }
                boolean needsPostfixDelimiter = i < text.length() && !String.valueOf(text.charAt(i)).equals(DELIMITER);
                String insertString;
                if (needsPrefixDelimiter && needsPostfixDelimiter)
                    insertString = NLS.bind(SSEUIMessages.TextHoverPreferenceTab_insertDelimiterAndModifierAndDelimiter, new String[] { Action.findModifierString(e.stateMask) });
                else if (needsPrefixDelimiter)
                    insertString = NLS.bind(SSEUIMessages.TextHoverPreferenceTab_insertDelimiterAndModifier, new String[] { Action.findModifierString(e.stateMask) });
                else if (needsPostfixDelimiter)
                    insertString = NLS.bind(SSEUIMessages.TextHoverPreferenceTab_insertModifierAndDelimiter, new String[] { Action.findModifierString(e.stateMask) });
                else
                    insertString = Action.findModifierString(e.stateMask);
                if (insertString != null)
                    fModifierEditor.insert(insertString);
            }
        }
    });
    fModifierEditor.addModifyListener(new ModifyListener() {

        public void modifyText(ModifyEvent e) {
            handleModifierModified();
        }
    });
    // Description
    Label descriptionLabel = new Label(hoverComposite, SWT.LEFT);
    // $NON-NLS-1$
    descriptionLabel.setText(SSEUIMessages.TextHoverPreferenceTab_description);
    gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
    gd.horizontalSpan = 2;
    descriptionLabel.setLayoutData(gd);
    fDescription = new Text(hoverComposite, SWT.LEFT | SWT.WRAP | SWT.MULTI | SWT.READ_ONLY | SWT.BORDER);
    gd = new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1);
    gd.horizontalSpan = 2;
    fDescription.setLayoutData(gd);
    initialize();
    Dialog.applyDialogFont(hoverComposite);
    PlatformUI.getWorkbench().getHelpSystem().setHelp(hoverComposite, IHelpContextIds.PREFSTE_HOVERS_HELPID);
    return hoverComposite;
}