| 63 | | PdfPTable table = new PdfPTable(1); |
| 64 | | table.setWidthPercentage(100f); |
| 65 | | |
| 66 | | Font layerPdfFont = getLayerPdfFont(); |
| 67 | | Font classPdfFont = getClassPdfFont(); |
| 68 | | |
| 69 | | PJsonArray legends = context.getGlobalParams().optJSONArray("legends"); |
| 70 | | if (legends != null && legends.size() > 0) { |
| 71 | | for (int i = 0; i < legends.size(); ++i) { |
| 72 | | PJsonObject layer = legends.getJSONObject(i); |
| 73 | | createLine(context, 0.0, layer, layerPdfFont, params, table, i == 0 ? layerSpace : 0); |
| 74 | | |
| 75 | | PJsonArray classes = layer.getJSONArray("classes"); |
| 76 | | for (int j = 0; j < classes.size(); ++j) { |
| 77 | | PJsonObject clazz = classes.getJSONObject(j); |
| 78 | | createLine(context, classIndentation, clazz, classPdfFont, params, table, classSpace); |
| 79 | | } |
| 80 | | } |
| | 74 | Renderer renderer = new Renderer(params, context); |
| | 75 | renderer.render(target); |
| | 76 | } |
| | 77 | |
| | 78 | /** |
| | 79 | * A renderer to render the legend block |
| | 80 | * @author Stéphane Brunner |
| | 81 | */ |
| | 82 | private class Renderer { |
| | 83 | private PJsonObject params; |
| | 84 | private RenderingContext context; |
| | 85 | |
| | 86 | // all the pdf columns |
| | 87 | private ArrayList<PdfPTable> columns = new ArrayList<PdfPTable>(); |
| | 88 | // all the columns width |
| | 89 | private ArrayList<Float> columnsWidth = new ArrayList<Float>(); |
| | 90 | // the current cell width |
| | 91 | private float cellWidth = 0; |
| | 92 | // the current column |
| | 93 | private PdfPTable column = new PdfPTable(1); |
| | 94 | // the curent title |
| | 95 | private PdfPCell title; |
| | 96 | // the current cell height |
| | 97 | private double currentCellHeight = 0; |
| | 98 | // the current column height |
| | 99 | private double currentColumnHeight = 0; |
| | 100 | |
| | 101 | /** |
| | 102 | * Construct |
| | 103 | * @param params the params |
| | 104 | * @param context the context |
| | 105 | */ |
| | 106 | public Renderer(PJsonObject params, RenderingContext context) { |
| | 107 | column.setWidthPercentage(100f); |
| | 108 | columns.add(column); |
| | 109 | currentCellHeight = 0; |
| | 110 | columnsWidth.add(0f); |
| | 111 | this.params = params; |
| | 112 | this.context = context; |
| 82 | | table.setSpacingAfter((float) spacingAfter); |
| 83 | | target.add(table); |
| 84 | | } |
| 85 | | |
| 86 | | private void createLine(RenderingContext context, double indent, PJsonObject node, Font pdfFont, PJsonObject params, |
| 87 | | PdfPTable table, float lineSpace) throws DocumentException { |
| 88 | | final String name = node.getString("name"); |
| 89 | | final String icon = node.optString("icon"); |
| 90 | | final PJsonArray icons = node.optJSONArray("icons"); |
| 91 | | |
| 92 | | Paragraph result = new Paragraph(); |
| 93 | | if (icon != null) { |
| | 114 | |
| | 115 | /** |
| | 116 | * Render |
| | 117 | * @param target the target element |
| | 118 | * @throws DocumentException |
| | 119 | */ |
| | 120 | public void render(PdfElement target) throws DocumentException { |
| | 121 | |
| | 122 | Font layerPdfFont = getLayerPdfFont(); |
| | 123 | Font classPdfFont = getClassPdfFont(); |
| | 124 | |
| | 125 | // create the legend |
| | 126 | PJsonArray legends = context.getGlobalParams().optJSONArray("legends"); |
| | 127 | if (legends != null && legends.size() > 0) { |
| | 128 | for (int i = 0; i < legends.size(); ++i) { |
| | 129 | PJsonObject layer = legends.getJSONObject(i); |
| | 130 | createLine(0.0, layer, layerPdfFont, i == 0 ? 0 : layerSpace, true); |
| | 131 | |
| | 132 | PJsonArray classes = layer.getJSONArray("classes"); |
| | 133 | for (int j = 0; j < classes.size(); ++j) { |
| | 134 | PJsonObject clazz = classes.getJSONObject(j); |
| | 135 | createLine(classIndentation, clazz, classPdfFont, classSpace, false); |
| | 136 | } |
| | 137 | } |
| | 138 | } |
| | 139 | |
| | 140 | // complete the width of the last column |
| | 141 | { |
| | 142 | int index = columnsWidth.size() - 1; |
| | 143 | columnsWidth.set(index, Math.max(columnsWidth.get(index), cellWidth)); |
| | 144 | } |
| | 145 | if (title != null) { |
| | 146 | column.addCell(title); |
| | 147 | } |
| | 148 | |
| | 149 | // calculate the fullWidth (sum of width of visible column with margin) |
| | 150 | int len = columns.size(); |
| | 151 | float fullWidth = 0; |
| | 152 | for (int i = 0 ; i < len ; i++) { |
| | 153 | float width = columnsWidth.get(i); |
| | 154 | if (fullWidth + width < maxWidth) { |
| | 155 | fullWidth += width + columnMargin; |
| | 156 | } |
| | 157 | else { |
| | 158 | len = i + 1; |
| | 159 | } |
| | 160 | } |
| | 161 | |
| | 162 | // create the column with array for the table |
| | 163 | float[] pdfWidths = new float[len + 1]; |
| | 164 | for (int i = 0 ; i < len ; i++) { |
| | 165 | pdfWidths[i] = columnsWidth.get(i); |
| | 166 | } |
| | 167 | // for empty column |
| | 168 | pdfWidths[len] = Math.max(0f, (float)maxWidth - fullWidth); |
| | 169 | |
| | 170 | // table used for column |
| | 171 | PdfPTable table = new PdfPTable(pdfWidths); |
| | 172 | table.setWidthPercentage(100f); |
| | 173 | table.getDefaultCell().setBorder(PdfPCell.NO_BORDER); |
| | 174 | table.getDefaultCell().setPadding(0f); |
| | 175 | table.setSpacingAfter((float) spacingAfter); |
| | 176 | |
| | 177 | // add columns |
| | 178 | for (int i = 0 ; i < len ; i++) { |
| | 179 | table.addCell(columns.get(i)); |
| | 180 | } |
| | 181 | // create empty column |
| | 182 | table.addCell(""); |
| | 183 | |
| | 184 | // add to result |
| | 185 | target.add(table); |
| | 186 | } |
| | 187 | |
| | 188 | /** |
| | 189 | * Display a legend or class block (name and icon(s) ). |
| | 190 | * In not inline mode it's a line. |
| | 191 | * @param indent left indentation |
| | 192 | * @param node the json node |
| | 193 | * @param pdfFont the font used for the title |
| | 194 | * @param lineSpace the top indent for the icons |
| | 195 | * @param escapeOrphanTitle don't have orphan title |
| | 196 | * @throws DocumentException |
| | 197 | */ |
| | 198 | private void createLine(double indent, PJsonObject node, Font pdfFont, |
| | 199 | float lineSpace, boolean escapeOrphanTitle) throws DocumentException { |
| | 200 | final String name = node.getString("name"); |
| | 201 | final String icon = node.optString("icon"); |
| | 202 | final PJsonArray icons = node.optJSONArray("icons"); |
| | 203 | |
| | 204 | Paragraph result = new Paragraph(); |
| | 205 | if (icon != null) { |
| | 206 | result = createIcon(indent, lineSpace, icon, result); |
| | 207 | } |
| | 208 | if (icons != null) { |
| | 209 | for (int i = 0; i < icons.size(); ++i) { |
| | 210 | String iconItem = icons.getString(i); |
| | 211 | result = createIcon(indent, i == 0 ? lineSpace : 0, |
| | 212 | iconItem, result); |
| | 213 | } |
| | 214 | } |
| | 215 | |
| | 216 | if (title != null) { |
| | 217 | column.addCell(title); |
| | 218 | } |
| | 219 | title = new PdfPCell(result); |
| | 220 | title.setBorder(PdfPCell.NO_BORDER); |
| | 221 | title.setPadding(0f); |
| | 222 | title.setPaddingLeft((float)indent); |
| | 223 | if (inline) { |
| | 224 | title.setPaddingTop(lineSpace); |
| | 225 | } |
| | 226 | |
| | 227 | result.setFont(pdfFont); |
| | 228 | result.add(name); |
| | 229 | if (name.trim().length() > 0) { |
| | 230 | float width = pdfFont.getBaseFont().getWidthPoint(name, pdfFont.getSize()); |
| | 231 | if (escapeOrphanTitle) { |
| | 232 | currentCellHeight += pdfFont.getSize(); |
| | 233 | cellWidth = Math.max(cellWidth, width); |
| | 234 | } |
| | 235 | else { |
| | 236 | currentColumnHeight += pdfFont.getSize(); |
| | 237 | int index = columnsWidth.size() - 1; |
| | 238 | columnsWidth.set(index, Math.max(columnsWidth.get(index), width)); |
| | 239 | } |
| | 240 | } |
| | 241 | |
| | 242 | if (getBackgroundColorVal(context, params) != null) { |
| | 243 | title.setBackgroundColor(getBackgroundColorVal(context, params)); |
| | 244 | } |
| | 245 | if (!escapeOrphanTitle) { |
| | 246 | column.addCell(title); |
| | 247 | title = null; |
| | 248 | } |
| | 249 | } |
| | 250 | |
| | 251 | /** |
| | 252 | * Creates a legend icon |
| | 253 | * @param indent left indentation |
| | 254 | * @param lineSpace the top indent for the icons |
| | 255 | * @param icon the icon to display |
| | 256 | * @param result the element to add to |
| | 257 | * @return the result for the next elements |
| | 258 | * @throws DocumentException |
| | 259 | */ |
| | 260 | private Paragraph createIcon(double indent, float lineSpace, |
| | 261 | final String icon, Paragraph result) throws DocumentException { |
| 114 | | if (icons != null) { |
| 115 | | for (int i = 0; i < icons.size(); ++i) { |
| 116 | | String iconItem = icons.getString(i); |
| 117 | | try { |
| 118 | | if (iconItem.indexOf("image%2Fsvg%2Bxml") != -1) { // TODO: make this cleaner |
| 119 | | result.add(PDFUtils.createImageChunkFromSVG(context, iconItem, maxIconWidth, maxIconHeight)); |
| 120 | | } else { |
| 121 | | result.add(PDFUtils.createImageChunk(context, maxIconWidth, maxIconHeight, scale, URI.create(iconItem), 0f)); |
| 122 | | } |
| 123 | | if (!inline) { |
| 124 | | addCell(context, indent, params, table, 0, result); |
| 125 | | result = new Paragraph(); |
| 126 | | result.setFont(pdfFont); |
| 127 | | } |
| 128 | | else { |
| 129 | | result.add(" "); |
| 130 | | } |
| 131 | | } catch (IOException ioe) { |
| 132 | | LOGGER.warn("Failed to load " + iconItem + " with " + ioe.getMessage()); |
| 133 | | } catch (InvalidValueException e) { |
| 134 | | LOGGER.warn("Failed to create image chunk: " + e.getMessage()); |
| 135 | | } |
| 136 | | } |
| | 287 | |
| | 288 | /** |
| | 289 | * Add an icon in the column as a cell. |
| | 290 | * @param indent left indentation |
| | 291 | * @param lineSpace the top indent for the icons |
| | 292 | * @param icon the icon element to add |
| | 293 | */ |
| | 294 | private void addCell(double indent, float lineSpace, final Paragraph icon) { |
| | 295 | final PdfPCell cell = new PdfPCell(icon); |
| | 296 | cell.setBorder(PdfPCell.NO_BORDER); |
| | 297 | cell.setPadding(0f); |
| | 298 | cell.setPaddingLeft((float) indent); |
| | 299 | |
| | 300 | if (getBackgroundColorVal(context, params) != null) { |
| | 301 | cell.setBackgroundColor(getBackgroundColorVal(context, params)); |
| | 302 | } |
| | 303 | |
| | 304 | cell.setPaddingTop(lineSpace); |
| | 305 | currentCellHeight += lineSpace; |
| | 306 | if (!inline && maxHeight != 0 && (currentColumnHeight + currentCellHeight > maxHeight)) { |
| | 307 | column = new PdfPTable(1); |
| | 308 | column.setWidthPercentage(100f); |
| | 309 | columns.add(column); |
| | 310 | currentColumnHeight = 0; |
| | 311 | columnsWidth.add(cellWidth); |
| | 312 | } |
| | 313 | else { |
| | 314 | int index = columnsWidth.size() - 1; |
| | 315 | columnsWidth.set(index, Math.max(columnsWidth.get(index), cellWidth)); |
| | 316 | } |
| | 317 | cellWidth = 0; |
| | 318 | currentColumnHeight += currentCellHeight; |
| | 319 | currentCellHeight = 0; |
| | 320 | if (title != null) { |
| | 321 | column.addCell(title); |
| | 322 | title = null; |
| | 323 | } |
| | 324 | column.addCell(cell); |
| 138 | | result.add(name); |
| 139 | | |
| 140 | | final PdfPCell cell = new PdfPCell(result); |
| 141 | | cell.setBorder(PdfPCell.NO_BORDER); |
| 142 | | cell.setPadding(0f); |
| 143 | | cell.setPaddingLeft((float) indent); |
| 144 | | |
| 145 | | result.setFont(pdfFont); |
| 146 | | result.add(name); |
| 147 | | |
| 148 | | if (getBackgroundColorVal(context, params) != null) { |
| 149 | | cell.setBackgroundColor(getBackgroundColorVal(context, params)); |
| 150 | | } |
| 151 | | table.addCell(cell); |
| 152 | | } |
| 153 | | |
| 154 | | private void addCell(RenderingContext context, double indent, PJsonObject params, PdfPTable table, |
| 155 | | float lineSpace, final Paragraph result) { |
| 156 | | final PdfPCell cell = new PdfPCell(result); |
| 157 | | cell.setBorder(PdfPCell.NO_BORDER); |
| 158 | | cell.setPadding(0f); |
| 159 | | cell.setPaddingLeft((float) indent); |
| 160 | | |
| 161 | | if (getBackgroundColorVal(context, params) != null) { |
| 162 | | cell.setBackgroundColor(getBackgroundColorVal(context, params)); |
| 163 | | } |
| 164 | | |
| 165 | | cell.setPaddingTop(lineSpace); |
| 166 | | table.addCell(cell); |
| | 326 | } |
| | 327 | |
| | 328 | public void setMaxWidth(double maxWidth) { |
| | 329 | this.maxWidth = maxWidth; |
| | 330 | if (maxWidth < 0.0) throw new InvalidValueException("maxWidth", maxWidth); |
| | 331 | } |
| | 332 | |
| | 333 | public void setMaxHeight(double maxHeight) { |
| | 334 | this.maxHeight = maxHeight; |
| | 335 | if (maxHeight < 0.0) throw new InvalidValueException("maxHeight", maxHeight); |
