Java SWTUtils类代码示例

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
/**
 * Sets the properties of the specified title to match the properties
 * defined on this panel.
 *
 * @param chart  the chart whose title is to be modified.
 */
public void setTitleProperties(JFreeChart chart) {
    if (this.showTitle) {
        TextTitle title = chart.getTitle();
        if (title == null) {
            title = new TextTitle();
            chart.setTitle(title);
        }
        title.setText(getTitleText());
        title.setFont(SWTUtils.toAwtFont(getDisplay(), getTitleFont(),
                true));
        title.setPaint(SWTUtils.toAwtColor(getTitleColor()));
    }
    else {
        chart.setTitle((TextTitle) null);
    }
}
 

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
/**
 * Restores the auto-range calculation on the domain axis.
 */
public void restoreAutoDomainBounds() {
    Plot p = this.chart.getPlot();
    if (p instanceof Zoomable) 
    {
        Zoomable z = (Zoomable) p;
        z.zoomDomainAxes(0.0, this.info.getPlotInfo(), SWTUtils.toAwtPoint(this.zoomPoint));
    }
}
 

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
/**
 * Restores the auto-range calculation on the range axis.
 */
public void restoreAutoRangeBounds() {
    Plot p = this.chart.getPlot();
    if (p instanceof ValueAxisPlot)
    {
        Zoomable z = (Zoomable) p;
        z.zoomRangeAxes(0.0, this.info.getPlotInfo(), SWTUtils.toAwtPoint(this.zoomPoint)); 
    }
}
 

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
/**
 * Updates the chart.
 * 
 * @param chart  the chart.
 */
public void updateChartProperties(JFreeChart chart) {
    chart.setAntiAlias(this.antialias.getSelection());
    chart.setBackgroundPaint(SWTUtils.toAwtColor(
            this.backgroundPaintCanvas.getColor()));        
}
 

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
/**
 * Restores the auto-range calculation on the domain axis.
 */
public void restoreAutoDomainBounds() {
    Plot p = this.chart.getPlot();
    if (p instanceof Zoomable) {
        Zoomable z = (Zoomable) p;
        // we need to guard against this.zoomPoint being null
        org.eclipse.swt.graphics.Point zp =
                (this.zoomPoint != null ? this.zoomPoint
                : new org.eclipse.swt.graphics.Point(0, 0));
        z.zoomDomainAxes(0.0, this.info.getPlotInfo(),
                SWTUtils.toAwtPoint(zp));
    }
}
 

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
/**
 * Restores the auto-range calculation on the range axis.
 */
public void restoreAutoRangeBounds() {
    Plot p = this.chart.getPlot();
    if (p instanceof ValueAxisPlot) {
        Zoomable z = (Zoomable) p;
        // we need to guard against this.zoomPoint being null
        org.eclipse.swt.graphics.Point zp =
                (this.zoomPoint != null ? this.zoomPoint
                : new org.eclipse.swt.graphics.Point(0, 0));
        z.zoomRangeAxes(0.0, this.info.getPlotInfo(),
                SWTUtils.toAwtPoint(zp));
    }
}
 

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
/**
 * Creates a new instance.
 * 
 * @param parent  the parent.
 * @param style  the style.
 * @param chart  the chart.
 */
public SWTOtherEditor(Composite parent, int style, JFreeChart chart)
{
    super(parent, style);
    FillLayout layout = new FillLayout();
    layout.marginHeight = layout.marginWidth = 4;
    setLayout(layout);

    Group general = new Group(this, SWT.NONE);
    general.setLayout(new GridLayout(3, false));
    general.setText(localizationResources.getString("General"));
    
    // row 1: antialiasing
    antialias = new Button(general, SWT.CHECK);
    antialias.setText(localizationResources.getString("Draw_anti-aliased"));
    antialias.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false,
            3, 1));
    antialias.setSelection(chart.getAntiAlias());
    
    //row 2: background paint for the chart
    new Label(general, SWT.NONE).setText(localizationResources.getString(
            "Background_paint"));
    backgroundPaintCanvas = new SWTPaintCanvas(general, SWT.NONE, 
            SWTUtils.toSwtColor(getDisplay(), chart.getBackgroundPaint()));
    GridData bgGridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
    bgGridData.heightHint = 20;
    backgroundPaintCanvas.setLayoutData(bgGridData);
    Button selectBgPaint = new Button(general, SWT.PUSH);
    selectBgPaint.setText(localizationResources.getString("Select..."));
    selectBgPaint.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false,
            false));
    selectBgPaint.addSelectionListener(
            new SelectionAdapter() {
                public void widgetSelected(SelectionEvent event) {
                    ColorDialog dlg = new ColorDialog(getShell());
                    dlg.setText(localizationResources.getString(
                            "Background_paint"));
                    dlg.setRGB(backgroundPaintCanvas.getColor().getRGB());
                    RGB rgb = dlg.open();
                    if (rgb != null) {
                        backgroundPaintCanvas.setColor(
                                new Color(getDisplay(), rgb));
                    }
                }
            }
    );
}
 

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
/**
 * Creates a new instance.
 *
 * @param parent  the parent.
 * @param style  the style.
 * @param chart  the chart.
 */
public SWTOtherEditor(Composite parent, int style, JFreeChart chart) {
    super(parent, style);
    FillLayout layout = new FillLayout();
    layout.marginHeight = layout.marginWidth = 4;
    setLayout(layout);

    Group general = new Group(this, SWT.NONE);
    general.setLayout(new GridLayout(3, false));
    general.setText(localizationResources.getString("General"));

    // row 1: antialiasing
    this.antialias = new Button(general, SWT.CHECK);
    this.antialias.setText(localizationResources.getString(
            "Draw_anti-aliased"));
    this.antialias.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true,
            false, 3, 1));
    this.antialias.setSelection(chart.getAntiAlias());

    //row 2: background paint for the chart
    new Label(general, SWT.NONE).setText(localizationResources.getString(
            "Background_paint"));
    this.backgroundPaintCanvas = new SWTPaintCanvas(general, SWT.NONE,
            SWTUtils.toSwtColor(getDisplay(), chart.getBackgroundPaint()));
    GridData bgGridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
    bgGridData.heightHint = 20;
    this.backgroundPaintCanvas.setLayoutData(bgGridData);
    Button selectBgPaint = new Button(general, SWT.PUSH);
    selectBgPaint.setText(localizationResources.getString("Select..."));
    selectBgPaint.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false,
            false));
    selectBgPaint.addSelectionListener(
            new SelectionAdapter() {
                public void widgetSelected(SelectionEvent event) {
                    ColorDialog dlg = new ColorDialog(getShell());
                    dlg.setText(localizationResources.getString(
                            "Background_paint"));
                    dlg.setRGB(SWTOtherEditor.this.backgroundPaintCanvas
                            .getColor().getRGB());
                    RGB rgb = dlg.open();
                    if (rgb != null) {
                        SWTOtherEditor.this.backgroundPaintCanvas.setColor(
                                new Color(getDisplay(), rgb));
                    }
                }
            }
    );
}
 

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
/**
 * Updates the chart.
 *
 * @param chart  the chart.
 */
public void updateChartProperties(JFreeChart chart) {
    chart.setAntiAlias(this.antialias.getSelection());
    chart.setBackgroundPaint(SWTUtils.toAwtColor(
            this.backgroundPaintCanvas.getColor()));
}
 

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
/**
 * Creates the chart below the statistics table
 */
private void createChart() {
    mAllocCountDataSet = new DefaultCategoryDataset();
    mChart = ChartFactory.createBarChart(null, "Size", "Count", mAllocCountDataSet,
            PlotOrientation.VERTICAL, false, true, false);

    // get the font to make a proper title. We need to convert the swt font,
    // into an awt font.
    Font f = mStatisticsBase.getFont();
    FontData[] fData = f.getFontData();

    // event though on Mac OS there could be more than one fontData, we'll only use
    // the first one.
    FontData firstFontData = fData[0];

    java.awt.Font awtFont = SWTUtils.toAwtFont(mStatisticsBase.getDisplay(),
            firstFontData, true /* ensureSameSize */);

    mChart.setTitle(new TextTitle("Allocation count per size", awtFont));

    Plot plot = mChart.getPlot();
    if (plot instanceof CategoryPlot) {
        // get the plot
        CategoryPlot categoryPlot = (CategoryPlot)plot;

        // set the domain axis to draw labels that are displayed even with many values.
        CategoryAxis domainAxis = categoryPlot.getDomainAxis();
        domainAxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_90);

        CategoryItemRenderer renderer = categoryPlot.getRenderer();
        renderer.setBaseToolTipGenerator(new CategoryToolTipGenerator() {
            @Override
            public String generateToolTip(CategoryDataset dataset, int row, int column) {
                // get the key for the size of the allocation
                ByteLong columnKey = (ByteLong)dataset.getColumnKey(column);
                String rowKey = (String)dataset.getRowKey(row);
                Number value = dataset.getValue(rowKey, columnKey);

                return String.format("%1$d %2$s of %3$d bytes", value.intValue(), rowKey,
                        columnKey.getValue());
            }
        });
    }
    mChartComposite = new ChartComposite(mStatisticsBase, SWT.BORDER, mChart,
            ChartComposite.DEFAULT_WIDTH,
            ChartComposite.DEFAULT_HEIGHT,
            ChartComposite.DEFAULT_MINIMUM_DRAW_WIDTH,
            ChartComposite.DEFAULT_MINIMUM_DRAW_HEIGHT,
            3000, // max draw width. We don't want it to zoom, so we put a big number
            3000, // max draw height. We don't want it to zoom, so we put a big number
            true,  // off-screen buffer
            true,  // properties
            true,  // save
            true,  // print
            false,  // zoom
            true);   // tooltips

    mChartComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
}
 

import org.jfree.experimental.swt.SWTUtils; //导入依赖的package包/类
Control createCompositeChart(final Composite parent, EventLogParser logParser,
        String title) {
    mChart = ChartFactory.createTimeSeriesChart(
            null,
            null /* timeAxisLabel */,
            null /* valueAxisLabel */,
            null, /* dataset. set below */
            true /* legend */,
            false /* tooltips */,
            false /* urls */);

    // get the font to make a proper title. We need to convert the swt font,
    // into an awt font.
    Font f = parent.getFont();
    FontData[] fData = f.getFontData();

    // event though on Mac OS there could be more than one fontData, we'll only use
    // the first one.
    FontData firstFontData = fData[0];

    java.awt.Font awtFont = SWTUtils.toAwtFont(parent.getDisplay(),
            firstFontData, true /* ensureSameSize */);


    mChart.setTitle(new TextTitle(title, awtFont));

    final XYPlot xyPlot = mChart.getXYPlot();
    xyPlot.setRangeCrosshairVisible(true);
    xyPlot.setRangeCrosshairLockedOnData(true);
    xyPlot.setDomainCrosshairVisible(true);
    xyPlot.setDomainCrosshairLockedOnData(true);

    mChart.addChangeListener(new ChartChangeListener() {
        @Override
        public void chartChanged(ChartChangeEvent event) {
            ChartChangeEventType type = event.getType();
            if (type == ChartChangeEventType.GENERAL) {
                // because the value we need (rangeCrosshair and domainCrosshair) are
                // updated on the draw, but the notification happens before the draw,
                // we process the click in a future runnable!
                parent.getDisplay().asyncExec(new Runnable() {
                    @Override
                    public void run() {
                        processClick(xyPlot);
                    }
                });
            }
        }
    });

    mChartComposite = new ChartComposite(parent, SWT.BORDER, mChart,
            ChartComposite.DEFAULT_WIDTH,
            ChartComposite.DEFAULT_HEIGHT,
            ChartComposite.DEFAULT_MINIMUM_DRAW_WIDTH,
            ChartComposite.DEFAULT_MINIMUM_DRAW_HEIGHT,
            3000, // max draw width. We don't want it to zoom, so we put a big number
            3000, // max draw height. We don't want it to zoom, so we put a big number
            true,  // off-screen buffer
            true,  // properties
            true,  // save
            true,  // print
            true,  // zoom
            true);   // tooltips

    mChartComposite.addDisposeListener(new DisposeListener() {
        @Override
        public void widgetDisposed(DisposeEvent e) {
            mValueTypeDataSetMap.clear();
            mDataSetCount = 0;
            mOccurrenceDataSet = null;
            mChart = null;
            mChartComposite = null;
            mValueDescriptorSeriesMap.clear();
            mOcurrenceDescriptorSeriesMap.clear();
        }
    });

    return mChartComposite;

}