Example usage for org.eclipse.jface.dialogs Dialog convertWidthInCharsToPixels

List of usage examples for org.eclipse.jface.dialogs Dialog convertWidthInCharsToPixels

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Introduction

In this page you can find the example usage for org.eclipse.jface.dialogs Dialog convertWidthInCharsToPixels.

Prototype

public static int convertWidthInCharsToPixels(FontMetrics fontMetrics, int chars)

Source Link

Document

Returns the number of pixels corresponding to the width of the given number of characters.

Usage

From source file:org.eclipse.wst.jsdt.debug.internal.ui.breakpoints.editors.JavaScriptBreakpointConditionEditor.java

License:Open Source License

/**
 * Creates the condition editor widgets and returns the top level
 * control./* w ww  .  ja  v a 2  s. c  om*/
 * 
 * @param parent composite to embed the editor controls in
 * @return top level control
 */
public Control createControl(Composite parent) {
    Composite controls = SWTFactory.createComposite(parent, parent.getFont(), 2, 1, GridData.FILL_HORIZONTAL, 0,
            0);
    fConditional = SWTFactory.createCheckButton(controls, processMnemonics(Messages.conditional), null, false,
            1);
    fConditional.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
    fConditional.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            boolean checked = fConditional.getSelection();
            setEnabled(checked, true);
            setDirty(PROP_CONDITION_ENABLED);
        }
    });
    Composite radios = SWTFactory.createComposite(controls, controls.getFont(), 2, 1, GridData.FILL_HORIZONTAL,
            0, 0);
    fWhenTrue = SWTFactory.createRadioButton(radios, processMnemonics(Messages.suspend_when_true));
    fWhenTrue.setLayoutData(new GridData());
    fWhenChange = SWTFactory.createRadioButton(radios, processMnemonics(Messages.suspend_when_changed));
    fWhenChange.setLayoutData(new GridData());
    fWhenTrue.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            setDirty(PROP_CONDITION_SUSPEND_POLICY);
        }
    });
    fWhenChange.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            setDirty(PROP_CONDITION_SUSPEND_POLICY);
        }
    });

    fViewer = new JavaScriptSourceViewer(parent, null,
            SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.LEFT_TO_RIGHT);
    fViewer.setEditable(false);
    ControlDecoration decoration = new ControlDecoration(fViewer.getControl(), SWT.TOP | SWT.LEFT);
    decoration.setShowOnlyOnFocus(true);
    FieldDecoration dec = FieldDecorationRegistry.getDefault()
            .getFieldDecoration(FieldDecorationRegistry.DEC_CONTENT_PROPOSAL);
    decoration.setImage(dec.getImage());
    decoration.setDescriptionText(dec.getDescription());
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    // set height/width hints based on font
    GC gc = new GC(fViewer.getTextWidget());
    gc.setFont(fViewer.getTextWidget().getFont());
    FontMetrics fontMetrics = gc.getFontMetrics();
    //gd.heightHint = Dialog.convertHeightInCharsToPixels(fontMetrics, 10);
    gd.widthHint = Dialog.convertWidthInCharsToPixels(fontMetrics, 40);
    gc.dispose();
    fViewer.getControl().setLayoutData(gd);
    fHandler = new AbstractHandler() {
        public Object execute(ExecutionEvent event) throws org.eclipse.core.commands.ExecutionException {
            fViewer.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);
            return null;
        }
    };
    fHandlerService = (IHandlerService) PlatformUI.getWorkbench().getAdapter(IHandlerService.class);
    fViewer.getControl().addFocusListener(new FocusAdapter() {
        public void focusGained(FocusEvent e) {
            activateContentAssist();
        }

        public void focusLost(FocusEvent e) {
            deactivateContentAssist();
        }
    });
    parent.addDisposeListener(new DisposeListener() {
        public void widgetDisposed(DisposeEvent e) {
            dispose();
        }
    });
    return parent;
}

From source file:org.eclipse.wst.sse.ui.internal.preferences.ui.AbstractPreferenceTab.java

License:Open Source License

/**
 * Returns the number of pixels corresponding to the width of the given
 * number of characters. This method was copied from
 * org.eclipse.jface.dialogs.DialogPage/*w w w  .  ja  va  2  s.c  om*/
 * <p>
 * 
 * @param a
 *            control in the page
 * @param chars
 *            the number of characters
 * @return the number of pixels
 */
private int convertWidthInCharsToPixels(Control testControl, int chars) {
    // Compute and store a font metric
    GC gc = new GC(testControl);
    gc.setFont(JFaceResources.getDialogFont());
    FontMetrics fontMetrics = gc.getFontMetrics();
    gc.dispose();

    // test for failure to initialize for backward compatibility
    if (fontMetrics == null)
        return 0;
    return Dialog.convertWidthInCharsToPixels(fontMetrics, chars);
}

From source file:org.eclipsetrader.ui.charts.BaseChartViewer.java

License:Open Source License

public BaseChartViewer(Composite parent, int style) {
    composite = new Composite(parent, style | SWT.H_SCROLL);
    GridLayout gridLayout = new GridLayout(2, false);
    gridLayout.marginWidth = gridLayout.marginHeight = 0;
    gridLayout.horizontalSpacing = gridLayout.verticalSpacing = 3;
    composite.setLayout(gridLayout);//from  ww w  . j ava 2s.c o m

    GC gc = new GC(composite);
    FontMetrics fontMetrics = gc.getFontMetrics();
    gc.dispose();

    sashForm = new SashForm(composite, SWT.VERTICAL | SWT.NO_FOCUS);
    sashForm.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));

    datesAxis = new DateValuesAxis();
    datesAxis.additionalSpace = 15;

    dateScaleCanvas = new DateScaleCanvas(composite);
    dateScaleCanvas.getControl().setVisible(false);
    ((GridData) dateScaleCanvas.getControl().getLayoutData()).exclude = true;
    dateScaleCanvas.getControl().addControlListener(new ControlAdapter() {

        @Override
        public void controlResized(ControlEvent e) {
            updateScrollbars();
            revalidate();
            redraw();
        }
    });

    verticalScaleLabel = new Label(composite, SWT.NONE);
    verticalScaleLabel
            .setLayoutData(new GridData(Dialog.convertWidthInCharsToPixels(fontMetrics, 12), SWT.DEFAULT));
    verticalScaleLabel.setVisible(false);
    ((GridData) verticalScaleLabel.getLayoutData()).exclude = true;

    Label label = new Label(sashForm, SWT.NONE);
    label.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_LIST_BACKGROUND));

    composite.getHorizontalBar().setVisible(false);
    composite.getHorizontalBar().addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            revalidate();
            redraw();
            composite.update();
        }
    });

    composite.addControlListener(new ControlAdapter() {

        @Override
        public void controlResized(ControlEvent e) {
            redraw();
        }
    });

    summaryDecorator = new SummaryBarDecorator();

    decorator = new CrosshairDecorator();
    decorator.createSummaryLabel(sashForm);
}

From source file:org.eclipsetrader.ui.charts.ChartCanvas.java

License:Open Source License

public ChartCanvas(Composite parent) {
    composite = new Composite(parent, SWT.NONE);
    GridLayout gridLayout = new GridLayout(2, false);
    gridLayout.marginWidth = gridLayout.marginHeight = 0;
    gridLayout.horizontalSpacing = 3;//from   w  w  w . j av a2s.  c o  m
    gridLayout.verticalSpacing = 0;
    composite.setLayout(gridLayout);
    composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    GC gc = new GC(composite);
    FontMetrics fontMetrics = gc.getFontMetrics();
    gc.dispose();

    summary = new SummaryBar(composite, SWT.NONE);
    summary.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));

    canvas = new Canvas(composite, SWT.DOUBLE_BUFFERED | SWT.NO_BACKGROUND);
    canvas.setData(this);
    canvas.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
    canvas.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    canvas.addControlListener(new ControlAdapter() {

        @Override
        public void controlResized(ControlEvent e) {
            if (image != null) {
                image.dispose();
                image = null;
            }
            redraw();
        }
    });
    canvas.addDisposeListener(new DisposeListener() {

        @Override
        public void widgetDisposed(DisposeEvent e) {
            removeObservers();
            if (image != null) {
                image.dispose();
                image = null;
            }
        }
    });
    canvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent e) {
            if (chartObject != null) {
                onPaint(e);
            }
        }
    });

    verticalScaleCanvas = new Canvas(composite, SWT.DOUBLE_BUFFERED | SWT.NO_BACKGROUND);
    verticalScaleCanvas.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
    verticalScaleCanvas.setLayoutData(new GridData(SWT.BEGINNING, SWT.FILL, false, false));
    ((GridData) verticalScaleCanvas.getLayoutData()).widthHint = Dialog.convertWidthInCharsToPixels(fontMetrics,
            12);
    verticalScaleCanvas.addControlListener(new ControlAdapter() {

        @Override
        public void controlResized(ControlEvent e) {
            if (verticalScaleImage != null) {
                verticalScaleImage.dispose();
                verticalScaleImage = null;
            }
            redraw();
        }
    });
    verticalScaleCanvas.addDisposeListener(new DisposeListener() {

        @Override
        public void widgetDisposed(DisposeEvent e) {
            if (verticalScaleImage != null) {
                verticalScaleImage.dispose();
                verticalScaleImage = null;
            }
        }
    });
    verticalScaleCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent e) {
            if (chartObject != null) {
                onPaintVerticalScale(e);
            }
        }
    });

    label = new Label(verticalScaleCanvas, SWT.NONE);
    label.setBackground(verticalScaleCanvas.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
    label.setBounds(-200, 0, 0, 0);
}

From source file:org.eclipsetrader.ui.internal.trading.portfolio.PortfolioViewPart.java

License:Open Source License

protected void createViewer(Composite parent) {
    viewer = new TreeViewer(parent, SWT.FULL_SELECTION | SWT.MULTI);
    viewer.getTree().setHeaderVisible(true);
    viewer.getTree().setLinesVisible(false);
    viewer.setContentProvider(new PortfolioContentProvider());
    viewer.setSorter(new ViewerSorter());

    viewer.setInput(new PortfolioView());

    GC gc = new GC(parent);
    FontMetrics fontMetrics = gc.getFontMetrics();
    gc.dispose();/*from   www. java  2s  .c  om*/

    TreeViewerColumn viewerColumn = new TreeViewerColumn(viewer, SWT.RIGHT);
    viewerColumn.getColumn().setWidth(Dialog.convertWidthInCharsToPixels(fontMetrics, 40));
    viewerColumn.setLabelProvider(new ElementLabelProvider());

    viewerColumn = new TreeViewerColumn(viewer, SWT.RIGHT);
    viewerColumn.getColumn().setText(Messages.PortfolioViewPart_Position);
    viewerColumn.getColumn().setWidth(Dialog.convertWidthInCharsToPixels(fontMetrics, 15));
    viewerColumn.setLabelProvider(new PositionLabelProvider());

    viewerColumn = new TreeViewerColumn(viewer, SWT.RIGHT);
    viewerColumn.getColumn().setText(Messages.PortfolioViewPart_Price);
    viewerColumn.getColumn().setWidth(Dialog.convertWidthInCharsToPixels(fontMetrics, 15));
    viewerColumn.setLabelProvider(new PriceLabelProvider());

    viewerColumn = new TreeViewerColumn(viewer, SWT.RIGHT);
    viewerColumn.getColumn().setText(Messages.PortfolioViewPart_PL);
    viewerColumn.getColumn().setWidth(Dialog.convertWidthInCharsToPixels(fontMetrics, 30));
    viewerColumn.setLabelProvider(new GainLabelProvider());
}

From source file:org.eclipsetrader.ui.internal.views.Level2View.java

License:Open Source License

@Override
public void createPartControl(Composite parent) {
    Composite content = new Composite(parent, SWT.NONE);
    GridLayout gridLayout = new GridLayout(1, false);
    gridLayout.marginWidth = gridLayout.marginHeight = 0;
    gridLayout.verticalSpacing = 0;/*from  ww w  .j av  a 2s. c  o  m*/
    content.setLayout(gridLayout);

    GC gc = new GC(content);
    gc.setFont(JFaceResources.getDialogFont());
    FontMetrics fontMetrics = gc.getFontMetrics();
    gc.dispose();

    Composite group = new Composite(content, SWT.NONE);
    group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    group.setLayout(new GridLayout(4, false));

    Label label = new Label(group, SWT.NONE);
    label.setText(Messages.Level2View_Symbol);
    symbol = new Text(group, SWT.BORDER);
    symbol.setLayoutData(new GridData(Dialog.convertWidthInCharsToPixels(fontMetrics, 15), SWT.DEFAULT));
    symbol.addFocusListener(new FocusAdapter() {

        @Override
        public void focusLost(FocusEvent e) {
            onSetSymbol();
        }
    });
    symbol.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            onSetSymbol();
        }
    });

    final ImageHyperlink connectorButton = new ImageHyperlink(group, SWT.NONE);
    connectorButton.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
    connectorButton.setImage(UIActivator.getDefault().getImageRegistry().get(UIConstants.TOOLBAR_ARROW_RIGHT));
    connectorButton.setToolTipText(Messages.Level2View_SelectDataSource);
    connectorButton.addHyperlinkListener(new IHyperlinkListener() {

        private Menu dropDownMenu;

        @Override
        public void linkActivated(HyperlinkEvent e) {
            if (dropDownMenu != null) {
                dropDownMenu.dispose();
            }

            dropDownMenu = new Menu(connectorButton);
            List<IFeedConnector> c = Arrays.asList(feedService.getConnectors());
            Collections.sort(c, new Comparator<IFeedConnector>() {

                @Override
                public int compare(IFeedConnector o1, IFeedConnector o2) {
                    return o1.getName().compareTo(o2.getName());
                }
            });
            for (IFeedConnector connector : c) {
                if (connector instanceof IFeedConnector2) {
                    MenuItem menuItem = new MenuItem(dropDownMenu, SWT.CHECK);
                    menuItem.setText(connector.getName());
                    menuItem.setData(connector);
                    menuItem.setSelection(Level2View.this.connector == connector);
                    menuItem.addSelectionListener(connectionSelectionListener);
                }
            }
            dropDownMenu.setVisible(true);
        }

        @Override
        public void linkEntered(HyperlinkEvent e) {
        }

        @Override
        public void linkExited(HyperlinkEvent e) {
        }
    });

    activeConnector = new Label(group, SWT.NONE);
    activeConnector.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

    summaryGroup = createSummary(content);
    if (hideSummaryAction != null) {
        summaryGroup.setVisible(!hideSummaryAction.isChecked());
        ((GridData) summaryGroup.getLayoutData()).exclude = hideSummaryAction.isChecked();
    }

    pressureBar = new PressureBar(content, SWT.NONE);
    GridData gridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
    gridData.heightHint = 16;
    pressureBar.getControl().setLayoutData(gridData);

    createBookViewer(content);

    if (memento != null) {
        String s = memento.getString("symbol"); //$NON-NLS-1$
        if (s != null) {
            symbol.setText(s);
            ISecurity security = getSecurityFromSymbol(s);
            if (security != null) {
                getSite().getSelectionProvider().setSelection(new StructuredSelection(security));
                setPartName(security.getName());
                setTitleToolTip(NLS.bind(VIEW_TITLE_TOOLTIP, new Object[] { security.getName() }));
            }
        }

        String id = memento.getString("connector"); //$NON-NLS-1$
        if (id != null) {
            IFeedConnector connector = feedService.getConnector(id);
            if (connector == null) {
                connector = CoreActivator.getDefault().getDefaultConnector();
            }
            if (connector instanceof IFeedConnector2) {
                this.connector = (IFeedConnector2) connector;
                activeConnector.setText(this.connector.getName());
            }
        }

        if (s != null && connector != null) {
            subscription = this.connector.subscribeLevel2(s);

            subscription.addSubscriptionListener(subscriptionListener);

            lastClose = subscription.getLastClose();
            lastTrade = subscription.getTrade();
            update(subscription.getTodayOHL());
            update();
        }
    }

    Display.getDefault().timerExec(100, bookUpdateRunnable);
}

From source file:org.elbe.relations.internal.forms.AbstractEditForm.java

License:Open Source License

protected int convertWidthInCharsToPixels(final Control inTestControl, final int inCharsNumber) {
    if (fontMetrics == null) {
        final GC lGC = new GC(inTestControl);
        lGC.setFont(JFaceResources.getDialogFont());
        fontMetrics = lGC.getFontMetrics();
        lGC.dispose();/*from   w w  w .  j  a  v a2 s  . co  m*/
    }
    return Dialog.convertWidthInCharsToPixels(fontMetrics, inCharsNumber);
}

From source file:org.erlide.ui.util.PixelConverter.java

License:Open Source License

/**
 * @see org.eclipse.jface.dialogs.DialogPage#convertWidthInCharsToPixels(int)
 *///w  ww.jav a2s.  co m
public int convertWidthInCharsToPixels(final int chars) {
    return Dialog.convertWidthInCharsToPixels(fFontMetrics, chars);
}

From source file:org.gemoc.execution.concurrent.ccsljavaxdsml.ui.dashboard.form.FormHelper.java

License:Open Source License

/**
 * Force control size.//w  ww  . ja v a 2 s .co m
 * 
 * @param control_p
 * @param widthInChars_p
 *            The expected width, in number of chars to display.
 * @param heightInChars_p
 *            The expected height, in number of chars to display.
 */
public static void forceControlSize(Control control_p, int widthInChars_p, int heightInChars_p) {
    // Preconditions.
    if ((null == control_p) || (0 >= widthInChars_p) || (0 >= heightInChars_p)) {
        return;
    }
    // Get font metrics.
    GC gc = new GC(control_p);
    FontMetrics fontMetrics = gc.getFontMetrics();
    gc.dispose();
    // Get layout data.
    Object layoutData = control_p.getLayoutData();
    if (layoutData instanceof GridData) {
        GridData data = (GridData) layoutData;
        data.widthHint = Dialog.convertWidthInCharsToPixels(fontMetrics, widthInChars_p);
        data.heightHint = Dialog.convertHeightInCharsToPixels(fontMetrics, heightInChars_p);
    } else if (layoutData instanceof TableWrapData) {
        TableWrapData data = (TableWrapData) layoutData;
        data.heightHint = Dialog.convertHeightInCharsToPixels(fontMetrics, heightInChars_p);
    }
}

From source file:org.geotools.swt.styling.simple.AbstractSimpleConfigurator.java

License:Open Source License

/**
 * Construct a subpart labeled with the provided tag.
 * <p>//w  w  w  .  ja  v  a  2s .c  om
 * Creates a composite with a grid layout of the specifed columns,
 * and a label with text from label.
 * </p>
 * @param parent
 * @param label
 * @return Composite with one label 
 */
public static Composite subpart(Composite parent, String label) {
    Composite subpart = new Composite(parent, SWT.NONE);
    RowLayout across = new RowLayout();
    across.type = SWT.HORIZONTAL;
    across.wrap = true;
    across.pack = true;
    across.fill = true;
    across.marginBottom = 1;
    across.marginRight = 2;

    subpart.setLayout(across);

    Label labell = new Label(subpart, SWT.LEFT);
    labell.setText(label);

    RowData data = new RowData();
    data.width = 40;
    // check to see if width is not enough space
    GC gc = new GC(parent.getParent());
    gc.setFont(parent.getParent().getFont());
    FontMetrics fontMetrics = gc.getFontMetrics();
    gc.dispose();
    int labelWidth = Dialog.convertWidthInCharsToPixels(fontMetrics, labell.getText().length() + 1);
    if (labelWidth > data.width) {
        data.width = labelWidth;
    }
    // TODO: adjust the methods that call this one to keep a consistent
    // width (otherwise they're misaligned)
    data.height = 10;
    labell.setLayoutData(data);

    return subpart;
}