Package org.opengis.filter.expression

Examples of org.opengis.filter.expression.Expression

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    /**
     * Called when a key is pressed to check if the filter has changed.
     */
    protected void changed() {
        Expression parsedFilter = validate();
        if (parsedFilter != null) {
            internalUpdate(parsedFilter);
        }
    }
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     * encountered.
     *
     * @return validated Expression provided by user or null if they are still editing
     */
    protected Expression validate() {
        Expression parsedExpr;
        try {
            parsedExpr = toExpression(text.getText());
        } catch (CQLException e) {
            feedback(e.getLocalizedMessage(), e);
            return null;
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        if (fill == null) {
            return null;
        }

        Expression color = fill.getColor();
        return color(color);
    }
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        // String fontStyle = font[0].getFontStyle().toString();
        // if(fontStyle == null) return null;
        // else if(fontStyle.equalsIgnoreCase("italic"))

        FontData[] tempFD = new FontData[1];
        Expression fontFamilyExpression = font.getFamily().get(0);
        Expression sizeExpression = font.getSize();
        if (sizeExpression == null || fontFamilyExpression == null)
            return null;

        Double size = sizeExpression.evaluate(null, Double.class);

        try {
            String fontFamily = fontFamilyExpression.evaluate(null, String.class);
            tempFD[0] = new FontData(fontFamily, size.intValue(), 1);
        } catch (NullPointerException ignore) {
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                if (fill != null) {
                    Color colour = color(fill.getColor());
                    if (colour == null) {
                        return null;
                    }
                    Expression opacity = fill.getOpacity();
                    if (opacity == null)
                        opacity = ff.literal(1.0);
                    float alpha = (float) Filters.asDouble(opacity);
                    colour = new Color(colour.getRed() / 255f, colour.getGreen() / 255f, colour.getBlue() / 255f, alpha);
                    if (colour != null) {
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                if (stroke != null) {
                    Color colour = color(stroke);
                    if (colour == null) {
                        return null;
                    }
                    Expression opacity = stroke.getOpacity();
                    if (opacity == null)
                        opacity = ff.literal(1.0);
                    float alpha = (float) Filters.asDouble(opacity);
                    colour = new Color(colour.getRed() / 255f, colour.getGreen() / 255f, colour.getBlue() / 255f, alpha);
                    if (colour != null) {
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            yOffset = DEFAULT_OFFSET;
        }

        stroke = lineSymbolizer.getStroke();
        if (stroke != null) {
            Expression color = stroke.getColor();
            strokeColor = expressionToString(color);
            Expression width = stroke.getWidth();
            strokeWidth = expressionToString(width);
            Expression opacity = stroke.getOpacity();
            strokeOpacity = expressionToString(opacity);

            if (strokeColor == null) {
                strokeColor = DEFAULT_COLOR;
                stroke.setColor(ff.literal(DEFAULT_COLOR));
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                FontData fd = fontData[0];
                String name = fd.getName();
                String style = String.valueOf(fd.getStyle());
                String height = String.valueOf(fd.getHeight());
                Color color = fontEditor.getAWTColor();
                Expression colorExpr = ff.literal(color);
                String fontColor = colorExpr.evaluate(null, String.class);

                notifyListeners(new String[]{name, style, height, fontColor}, false, STYLEEVENTTYPE.LABELFONT);
            }
        } else if (source.equals(fontColorButton)) {
            Color color = fontColorEditor.getColor();
            Expression colorExpr = ff.literal(color);
            String fontColor = colorExpr.evaluate(null, String.class);

            notifyListeners(fontColor, false, STYLEEVENTTYPE.LABELCOLOR);
        } else if (source.equals(haloColorButton)) {
            Color color = haloColorEditor.getColor();
            Expression colorExpr = ff.literal(color);
            String haloColor = colorExpr.evaluate(null, String.class);

            notifyListeners(haloColor, false, STYLEEVENTTYPE.LABELHALOCOLOR);
        } else if (source.equals(haloRadiusSpinner)) {
            int radius = haloRadiusSpinner.getSelection();
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        PointSymbolizer pointSymbolizer = (PointSymbolizer) symbolizer;
        graphic = pointSymbolizer.getGraphic();
        List<ExternalGraphic> externalGraphicsList = externalGraphicsFromGraphic(graphic);

        // size
        Expression sizeExpr = graphic.getSize();
        String tmp = expressionToString(sizeExpr);
        if (tmp != null) {
            size = tmp;
        } else {
            size = DEFAULT_WIDTH;
        }
        // rotation
        Expression rotationExpr = graphic.getRotation();
        tmp = expressionToString(rotationExpr);
        if (tmp != null) {
            rotation = tmp;
        } else {
            rotation = DEFAULT_ROTATION;
        }
        // offset
        Point2D offset = Utilities.getOffset(pointSymbolizer);
        if (offset != null) {
            xOffset = String.valueOf(offset.getX());
            yOffset = String.valueOf(offset.getY());
        } else {
            xOffset = DEFAULT_OFFSET;
            yOffset = DEFAULT_OFFSET;
        }

        if (externalGraphicsList.size() == 0) {
            mark = SLDs.mark(pointSymbolizer);
            if (mark == null) {
                return;
            }
            markName = mark.getWellKnownName().evaluate(null, String.class);
            if (markName == null || markName.equals("")) { //$NON-NLS-1$
                markName = "circle"; //$NON-NLS-1$
                mark.setWellKnownName(ff.literal(markName));
            }

            fill = mark.getFill();
            if (fill != null) {
                fillColor = fill.getColor().evaluate(null, String.class);
                Expression opacityExpr = fill.getOpacity();
                fillOpacity = expressionToString(opacityExpr);
                hasFill = true;
            } else {
                hasFill = false;
            }

            stroke = mark.getStroke();
            if (stroke != null) {
                Expression color = stroke.getColor();
                tmp = color.evaluate(null, String.class);
                if (tmp != null) {
                    strokeColor = tmp;
                } else {
                    strokeColor = DEFAULT_COLOR;
                }

                Expression opacity = stroke.getOpacity();
                tmp = expressionToString(opacity);
                if (tmp != null) {
                    strokeOpacity = tmp;
                } else {
                    strokeOpacity = DEFAULT_OPACITY;
                }

                Expression width = stroke.getWidth();
                tmp = expressionToString(width);
                if (tmp != null) {
                    strokeWidth = tmp;
                } else {
                    strokeWidth = DEFAULT_WIDTH;
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            }
        } else if (source.equals(borderColorButton) || source.equals(borderColorAttributecombo)) {
            boolean comboIsNone = comboIsNone(borderColorAttributecombo);
            if (comboIsNone) {
                Color color = borderColorEditor.getColor();
                Expression colorExpr = ff.literal(color);
                String strokeColor = colorExpr.evaluate(null, String.class);
                notifyListeners(strokeColor, false, STYLEEVENTTYPE.BORDERCOLOR);
            } else {
                int index = borderColorAttributecombo.getSelectionIndex();
                String field = borderColorAttributecombo.getItem(index);
                if (field.length() == 0) {
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Related Classes of org.opengis.filter.expression.Expression

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  • org.geoserver.kml.KMLWriter
  • org.geoserver.wms.dynamic.legendgraphic.DynamicGetLegendGraphicDispatcherCallback
  • org.geoserver.wms.featureinfo.DynamicBufferEstimator
  • org.geoserver.wms.featureinfo.DynamicSizeStyleExtractor
  • org.geoserver.wms.legendgraphic.BufferedImageLegendGraphicBuilder
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