Exemplo n.º 1
0
 protected void paintEvent(WPaintDevice paintDevice) {
   if (!(this.chart_ != null) || !this.chart_.cObjCreated_) {
     return;
   }
   if (this.chart_.getSeries(this.seriesColumn_).getType() != SeriesType.LineSeries
       && this.chart_.getSeries(this.seriesColumn_).getType() != SeriesType.CurveSeries) {
     if (this.getMethod() == WPaintedWidget.Method.HtmlCanvas) {
       StringBuilder ss = new StringBuilder();
       ss.append("jQuery.removeData(").append(this.getJsRef()).append(",'sobj');");
       ss.append("\nif (")
           .append(this.getObjJsRef())
           .append(") {")
           .append(this.getObjJsRef())
           .append(".canvas.style.cursor = 'auto';")
           .append("setTimeout(")
           .append(this.getObjJsRef())
           .append(".repaint,0);}\n");
       this.doJavaScript(ss.toString());
     }
     logger.error(
         new StringWriter()
             .append("WAxisSliderWidget is not associated with a line or curve series.")
             .toString());
     return;
   }
   WPainter painter = new WPainter(paintDevice);
   boolean horizontal = this.chart_.getOrientation() == Orientation.Vertical;
   double w = horizontal ? this.getWidth().getValue() : this.getHeight().getValue();
   double h = horizontal ? this.getHeight().getValue() : this.getWidth().getValue();
   boolean autoPadding = this.autoPadding_;
   if (autoPadding
       && EnumUtils.mask(paintDevice.getFeatures(), WPaintDevice.FeatureFlag.HasFontMetrics)
           .equals(0)
       && this.labelsEnabled_) {
     logger.error(
         new StringWriter()
             .append(
                 "setAutoLayout(): device does not have font metrics (not even server-side font metrics).")
             .toString());
     autoPadding = false;
   }
   if (autoPadding) {
     if (horizontal) {
       if (this.labelsEnabled_) {
         this.setSelectionAreaPadding(0, EnumSet.of(Side.Top));
         this.setSelectionAreaPadding(
             (int)
                 (this.chart_
                         .getAxis(Axis.XAxis)
                         .calcMaxTickLabelSize(paintDevice, Orientation.Vertical)
                     + 10),
             EnumSet.of(Side.Bottom));
         this.setSelectionAreaPadding(
             (int)
                 Math.max(
                     this.chart_
                             .getAxis(Axis.XAxis)
                             .calcMaxTickLabelSize(paintDevice, Orientation.Horizontal)
                         / 2,
                     10.0),
             EnumSet.of(Side.Left, Side.Right));
       } else {
         this.setSelectionAreaPadding(0, EnumSet.of(Side.Top));
         this.setSelectionAreaPadding(5, EnumSet.of(Side.Left, Side.Right, Side.Bottom));
       }
     } else {
       if (this.labelsEnabled_) {
         this.setSelectionAreaPadding(0, EnumSet.of(Side.Right));
         this.setSelectionAreaPadding(
             (int)
                 Math.max(
                     this.chart_
                             .getAxis(Axis.XAxis)
                             .calcMaxTickLabelSize(paintDevice, Orientation.Vertical)
                         / 2,
                     10.0),
             EnumSet.of(Side.Top, Side.Bottom));
         this.setSelectionAreaPadding(
             (int)
                 (this.chart_
                         .getAxis(Axis.XAxis)
                         .calcMaxTickLabelSize(paintDevice, Orientation.Horizontal)
                     + 10),
             EnumSet.of(Side.Left));
       } else {
         this.setSelectionAreaPadding(0, EnumSet.of(Side.Right));
         this.setSelectionAreaPadding(5, EnumSet.of(Side.Top, Side.Bottom, Side.Left));
       }
     }
   }
   double left =
       horizontal
           ? this.getSelectionAreaPadding(Side.Left)
           : this.getSelectionAreaPadding(Side.Top);
   double right =
       horizontal
           ? this.getSelectionAreaPadding(Side.Right)
           : this.getSelectionAreaPadding(Side.Bottom);
   double top =
       horizontal
           ? this.getSelectionAreaPadding(Side.Top)
           : this.getSelectionAreaPadding(Side.Right);
   double bottom =
       horizontal
           ? this.getSelectionAreaPadding(Side.Bottom)
           : this.getSelectionAreaPadding(Side.Left);
   double maxW = w - left - right;
   WRectF drawArea = new WRectF(left, 0, maxW, h);
   List<WAxis.Segment> segmentsBak =
       new ArrayList<WAxis.Segment>(this.chart_.getAxis(Axis.XAxis).segments_);
   double renderIntervalBak = this.chart_.getAxis(Axis.XAxis).renderInterval_;
   this.chart_
       .getAxis(Axis.XAxis)
       .prepareRender(
           horizontal ? Orientation.Horizontal : Orientation.Vertical, drawArea.getWidth());
   final WRectF chartArea = this.chart_.chartArea_;
   WRectF selectionRect = null;
   {
     double u =
         -this.chart_.xTransformHandle_.getValue().getDx()
             / (chartArea.getWidth() * this.chart_.xTransformHandle_.getValue().getM11());
     selectionRect = new WRectF(0, top, maxW, h - (top + bottom));
     this.transform_.setValue(
         new WTransform(
             1 / this.chart_.xTransformHandle_.getValue().getM11(), 0, 0, 1, u * maxW, 0));
   }
   WRectF seriesArea = new WRectF(left, top + 5, maxW, h - (top + bottom + 5));
   WTransform selectionTransform =
       this.hv(new WTransform(1, 0, 0, 1, left, 0).multiply(this.transform_.getValue()));
   WRectF rect = selectionTransform.map(this.hv(selectionRect));
   painter.fillRect(this.hv(new WRectF(left, top, maxW, h - top - bottom)), this.background_);
   painter.fillRect(rect, this.selectedAreaBrush_);
   final double TICK_LENGTH = 5;
   final double ANGLE1 = 15;
   final double ANGLE2 = 80;
   double tickStart = 0.0;
   double tickEnd = 0.0;
   double labelPos = 0.0;
   AlignmentFlag labelHFlag = AlignmentFlag.AlignCenter;
   AlignmentFlag labelVFlag = AlignmentFlag.AlignMiddle;
   final WAxis axis = this.chart_.getAxis(Axis.XAxis);
   if (horizontal) {
     tickStart = 0;
     tickEnd = TICK_LENGTH;
     labelPos = TICK_LENGTH;
     labelVFlag = AlignmentFlag.AlignTop;
   } else {
     tickStart = -TICK_LENGTH;
     tickEnd = 0;
     labelPos = -TICK_LENGTH;
     labelHFlag = AlignmentFlag.AlignRight;
   }
   if (horizontal) {
     if (axis.getLabelAngle() > ANGLE1) {
       labelHFlag = AlignmentFlag.AlignRight;
       if (axis.getLabelAngle() > ANGLE2) {
         labelVFlag = AlignmentFlag.AlignMiddle;
       }
     } else {
       if (axis.getLabelAngle() < -ANGLE1) {
         labelHFlag = AlignmentFlag.AlignLeft;
         if (axis.getLabelAngle() < -ANGLE2) {
           labelVFlag = AlignmentFlag.AlignMiddle;
         }
       }
     }
   } else {
     if (axis.getLabelAngle() > ANGLE1) {
       labelVFlag = AlignmentFlag.AlignBottom;
       if (axis.getLabelAngle() > ANGLE2) {
         labelHFlag = AlignmentFlag.AlignCenter;
       }
     } else {
       if (axis.getLabelAngle() < -ANGLE1) {
         labelVFlag = AlignmentFlag.AlignTop;
         if (axis.getLabelAngle() < -ANGLE2) {
           labelHFlag = AlignmentFlag.AlignCenter;
         }
       }
     }
   }
   EnumSet<AxisProperty> axisProperties = EnumSet.of(AxisProperty.Line);
   if (this.labelsEnabled_) {
     axisProperties.add(AxisProperty.Labels);
   }
   if (horizontal) {
     axis.render(
         painter,
         axisProperties,
         new WPointF(drawArea.getLeft(), h - bottom),
         new WPointF(drawArea.getRight(), h - bottom),
         tickStart,
         tickEnd,
         labelPos,
         EnumSet.of(labelHFlag, labelVFlag));
     WPainterPath line = new WPainterPath();
     line.moveTo(drawArea.getLeft() + 0.5, h - (bottom - 0.5));
     line.lineTo(drawArea.getRight(), h - (bottom - 0.5));
     painter.strokePath(line, this.chart_.getAxis(Axis.XAxis).getPen());
   } else {
     axis.render(
         painter,
         axisProperties,
         new WPointF(this.getSelectionAreaPadding(Side.Left) - 1, drawArea.getLeft()),
         new WPointF(this.getSelectionAreaPadding(Side.Left) - 1, drawArea.getRight()),
         tickStart,
         tickEnd,
         labelPos,
         EnumSet.of(labelHFlag, labelVFlag));
     WPainterPath line = new WPainterPath();
     line.moveTo(this.getSelectionAreaPadding(Side.Left) - 0.5, drawArea.getLeft() + 0.5);
     line.lineTo(this.getSelectionAreaPadding(Side.Left) - 0.5, drawArea.getRight());
     painter.strokePath(line, this.chart_.getAxis(Axis.XAxis).getPen());
   }
   WPainterPath curve = new WPainterPath();
   {
     WTransform t =
         new WTransform(1, 0, 0, 1, seriesArea.getLeft(), seriesArea.getTop())
             .multiply(
                 new WTransform(
                     seriesArea.getWidth() / chartArea.getWidth(),
                     0,
                     0,
                     seriesArea.getHeight() / chartArea.getHeight(),
                     0,
                     0))
             .multiply(new WTransform(1, 0, 0, 1, -chartArea.getLeft(), -chartArea.getTop()));
     if (!horizontal) {
       t.assign(
           new WTransform(
                   0,
                   1,
                   1,
                   0,
                   this.getSelectionAreaPadding(Side.Left)
                       - this.getSelectionAreaPadding(Side.Right)
                       - 5,
                   0)
               .multiply(t)
               .multiply(new WTransform(0, 1, 1, 0, 0, 0)));
     }
     curve.assign(t.map(this.chart_.pathForSeries(this.seriesColumn_)));
   }
   {
     WRectF leftHandle = this.hv(new WRectF(-5, top, 5, h - top - bottom));
     WTransform t =
         new WTransform(1, 0, 0, 1, left, -top)
             .multiply(
                 new WTransform()
                     .translate(this.transform_.getValue().map(selectionRect.getTopLeft())));
     painter.fillRect(this.hv(t).map(leftHandle), this.handleBrush_);
   }
   {
     WRectF rightHandle = this.hv(new WRectF(0, top, 5, h - top - bottom));
     WTransform t =
         new WTransform(1, 0, 0, 1, left, -top)
             .multiply(
                 new WTransform()
                     .translate(this.transform_.getValue().map(selectionRect.getTopRight())));
     painter.fillRect(this.hv(t).map(rightHandle), this.handleBrush_);
   }
   if (this.selectedSeriesPen_ != this.seriesPen_
       && !this.selectedSeriesPen_.equals(this.seriesPen_)) {
     WPainterPath clipPath = new WPainterPath();
     clipPath.addRect(this.hv(selectionRect));
     painter.setClipPath(selectionTransform.map(clipPath));
     painter.setClipping(true);
     painter.setPen(this.getSelectedSeriesPen());
     painter.drawPath(curve);
     WPainterPath leftClipPath = new WPainterPath();
     leftClipPath.addRect(
         this.hv(new WTransform(1, 0, 0, 1, -selectionRect.getWidth(), 0).map(selectionRect)));
     painter.setClipPath(
         this.hv(
                 new WTransform(1, 0, 0, 1, left, -top)
                     .multiply(
                         new WTransform()
                             .translate(
                                 this.transform_.getValue().map(selectionRect.getTopLeft()))))
             .map(leftClipPath));
     painter.setPen(this.getSeriesPen());
     painter.drawPath(curve);
     WPainterPath rightClipPath = new WPainterPath();
     rightClipPath.addRect(
         this.hv(new WTransform(1, 0, 0, 1, selectionRect.getWidth(), 0).map(selectionRect)));
     painter.setClipPath(
         this.hv(
                 new WTransform(1, 0, 0, 1, left - selectionRect.getRight(), -top)
                     .multiply(
                         new WTransform()
                             .translate(
                                 this.transform_.getValue().map(selectionRect.getTopRight()))))
             .map(rightClipPath));
     painter.drawPath(curve);
     painter.setClipping(false);
   } else {
     painter.setPen(this.getSeriesPen());
     painter.drawPath(curve);
   }
   if (this.getMethod() == WPaintedWidget.Method.HtmlCanvas) {
     WApplication app = WApplication.getInstance();
     StringBuilder ss = new StringBuilder();
     ss.append("new Wt3_3_5.WAxisSliderWidget(")
         .append(app.getJavaScriptClass())
         .append(",")
         .append(this.getJsRef())
         .append(",")
         .append(this.getObjJsRef())
         .append(",")
         .append("{chart:")
         .append(this.chart_.getCObjJsRef())
         .append(",transform:")
         .append(this.transform_.getJsRef())
         .append(",rect:function(){return ")
         .append(rect.getJsRef())
         .append("},drawArea:")
         .append(drawArea.getJsRef())
         .append(",series:")
         .append(this.seriesColumn_)
         .append("});");
     this.doJavaScript(ss.toString());
   }
   Utils.copyList(segmentsBak, this.chart_.getAxis(Axis.XAxis).segments_);
   this.chart_.getAxis(Axis.XAxis).renderInterval_ = renderIntervalBak;
 }