Examples with Node org.eclipse.swtchart.model.Node used on opensource projects

Example 1 with Node

use of org.eclipse.swtchart.model.Node in project portfolio by buchen.

the class PieChart method renderLabels.

protected void renderLabels(PaintEvent e) {
    for (ISeries<?> series : getSeriesSet().getSeries()) {
        if (series instanceof ICircularSeries) {
            IAxis xAxis = getAxisSet().getXAxis(series.getXAxisId());
            IAxis yAxis = getAxisSet().getYAxis(series.getYAxisId());
            List<Node> nodes = ((ICircularSeries<?>) series).getRootNode().getChildren();
            if (!nodes.isEmpty()) {
                for (Node node : nodes) {
                    renderNodeLabel(node, (ICircularSeries<?>) series, e.gc, xAxis, yAxis);
                }
            }
        }
    }
}

Example 2 with Node

use of org.eclipse.swtchart.model.Node in project portfolio by buchen.

the class PieChart method getNodeAt.

/**
 * Find the node at position
 */
public Node getNodeAt(int x, int y) {
    Node node = null;
    for (ISeries<?> series : getSeriesSet().getSeries()) {
        if (!(series instanceof ICircularSeries)) {
            continue;
        }
        ICircularSeries<?> circularSeries = (ICircularSeries<?>) series;
        double primaryValueX = getSelectedPrimaryAxisValue(x, PieChart.Orientation.X_AXIS);
        double primaryValueY = getSelectedPrimaryAxisValue(y, PieChart.Orientation.Y_AXIS);
        node = circularSeries.getPieSliceFromPosition(primaryValueX, primaryValueY);
        circularSeries.setHighlightedNode(node);
    }
    return node;
}

Example 3 with Node

use of org.eclipse.swtchart.model.Node in project portfolio by buchen.

the class PieChart method renderNodeLabel.

protected void renderNodeLabel(Node node, ICircularSeries<?> series, GC gc, IAxis xAxis, IAxis yAxis) {
    // children drawn first as parent overrides it's section of drawing
    if (!node.getChildren().isEmpty()) {
        for (Node childNode : node.getChildren()) {
            renderNodeLabel(childNode, series, gc, xAxis, yAxis);
        }
    }
    if (!node.isVisible())
        return;
    int level = node.getLevel() - series.getRootNode().getLevel() + (chartType == IPieChart.ChartType.PIE ? 0 : 1);
    Font oldFont = gc.getFont();
    gc.setForeground(Colors.WHITE);
    int angleStart = node.getAngleBounds().x;
    int angleWidth = (int) (node.getAngleBounds().y * 0.5);
    Point outerEnd = calcPixelCoord(xAxis, yAxis, level * 0.85, angleStart + angleWidth);
    FontDescriptor boldDescriptor = FontDescriptor.createFrom(gc.getFont()).setHeight(9);
    gc.setFont(boldDescriptor.createFont(getDisplay()));
    String label = labelProvider.getLabel(node);
    if (label != null) {
        Point textSize = gc.textExtent(label);
        gc.drawString(label, outerEnd.x - (textSize.x / 2), outerEnd.y - (textSize.y / 2), true);
    }
    gc.setFont(oldFont);
}

Example 4 with Node

use of org.eclipse.swtchart.model.Node in project portfolio by buchen.

the class HoldingsPieChartSWT method createControl.

@Override
public Control createControl(Composite parent) {
    chart = new PieChart(parent, IPieChart.ChartType.DONUT, this::getNodeLabel);
    // set customized tooltip builder
    chart.getToolTip().setToolTipBuilder((container, currentNode) -> {
        RowLayout layout = new RowLayout(SWT.VERTICAL);
        layout.center = true;
        container.setLayout(layout);
        Composite data = new Composite(container, SWT.NONE);
        GridLayoutFactory.swtDefaults().numColumns(2).applyTo(data);
        Label assetLabel = new Label(data, SWT.NONE);
        FontDescriptor boldDescriptor = FontDescriptor.createFrom(assetLabel.getFont()).setStyle(SWT.BOLD);
        assetLabel.setFont(boldDescriptor.createFont(assetLabel.getDisplay()));
        assetLabel.setText(currentNode.getId());
        NodeData nodeData = nodeDataMap.get(currentNode.getId());
        if (nodeData != null) {
            Label right = new Label(data, SWT.NONE);
            // $NON-NLS-1$ //$NON-NLS-2$
            right.setText("(" + nodeData.percentageString + ")");
            Label info = new Label(container, SWT.NONE);
            info.setText(// $NON-NLS-1$
            String.format(// $NON-NLS-1$
            "%s x %s = %s", nodeData.shares, nodeData.valueSingle, nodeData.value));
        }
    });
    // Listen on mouse clicks to update information pane
    ((Composite) chart.getPlotArea()).addListener(SWT.MouseUp, event -> {
        Node node = chart.getNodeAt(event.x, event.y);
        if (node == null)
            return;
        NodeData nodeData = nodeDataMap.get(node.getId());
        if (nodeData != null) {
            financeView.setInformationPaneInput(nodeData.position.getInvestmentVehicle());
        }
    });
    chart.getTitle().setVisible(false);
    chart.getLegend().setPosition(SWT.RIGHT);
    updateChart();
    return chart;
}

Example 5 with Node

use of org.eclipse.swtchart.model.Node in project portfolio by buchen.

the class HoldingsPieChartSWT method updateChart.

private void updateChart() {
    List<Double> values = new ArrayList<>();
    List<String> labels = new ArrayList<>();
    nodeDataMap.clear();
    // 
    snapshot.getAssetPositions().filter(// 
    p -> p.getValuation().getAmount() > 0).sorted(// 
    (l, r) -> Long.compare(r.getValuation().getAmount(), l.getValuation().getAmount())).forEach(p -> {
        String nodeId = JSONObject.escape(p.getDescription());
        labels.add(nodeId);
        values.add(p.getValuation().getAmount() / Values.Amount.divider());
        NodeData data = new NodeData();
        data.position = p;
        data.percentage = p.getShare();
        data.percentageString = Values.Percent2.format(p.getShare());
        data.shares = Values.Share.format(p.getPosition().getShares());
        data.value = Values.Money.format(p.getValuation());
        data.valueSingle = Values.Money.format(p.getValuation().multiply((long) Values.Share.divider()).divide(p.getPosition().getShares()));
        nodeDataMap.put(nodeId, data);
    });
    ICircularSeries<?> circularSeries = (ICircularSeries<?>) chart.getSeriesSet().getSeries(Messages.LabelStatementOfAssetsHoldings);
    if (circularSeries == null) {
        circularSeries = createSeries(values, labels);
    } else {
        if (hasDataSetChanged(labels)) {
            // refresh values only for smoother update
            ListIterator<String> iter = labels.listIterator();
            while (iter.hasNext()) {
                int idx = iter.nextIndex();
                String label = iter.next();
                Node node = circularSeries.getNodeById(label);
                if (node != null) {
                    node.setValue(values.get(idx));
                }
            }
        } else {
            circularSeries = createSeries(values, labels);
        }
    }
    setColors(circularSeries, values.size());
    chart.redraw();
}