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GeezerVison is showing github.com — processing/java/src/processing/mode/java/ErrorBar.java at master · xeaser/processing Expand file tree/ Copy pathErrorBar.javaMore file actions 316 lines (271 loc) · 9.3 KB / Copy pathErrorBar.javaFile metadata and controls316 lines (271 loc) · 9.3 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 /* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */ /* Part of the Processing project - http://processing.org Copyright (c) 2012-15 The Processing Foundation This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package processing.mode.java; import java.awt.Color; import java.awt.Cursor; import java.awt.Dimension; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseMotionAdapter; import java.util.ArrayList; import java.util.List; import javax.swing.JPanel; import javax.swing.SwingWorker; import javax.swing.text.BadLocationException; import processing.app.Base; import processing.app.SketchCode; import processing.mode.java.pdex.ErrorCheckerService; import processing.mode.java.pdex.ErrorMarker; import processing.mode.java.pdex.Problem; import processing.app.Language; /** * The bar on the left of the text area which displays all errors as rectangles. <br> * <br> * All errors and warnings of a sketch are drawn on the bar, clicking on one, * scrolls to the tab and location. Error messages displayed on hover. Markers * are not in sync with the error line. Similar to eclipse's right error bar * which displays the overall errors in a document * * @author Manindra Moharana <[email protected]> * */ public class ErrorBar extends JPanel { /** * Preferred height of the component */ protected int preferredHeight; /** * Preferred height of the component */ protected int preferredWidth = 12; /** * Height of marker */ public static final int errorMarkerHeight = 4; /** * Color of Error Marker */ public Color errorColor; // = new Color(0xED2630); /** * Color of Warning Marker */ public Color warningColor; // = new Color(0xFFC30E); /** * Background color of the component */ public Color backgroundColor; // = new Color(0x2C343D); /** * JavaEditor instance */ protected JavaEditor editor; /** * ErrorCheckerService instance */ protected ErrorCheckerService errorCheckerService; /** * Stores error markers displayed PER TAB along the error bar. */ protected List<ErrorMarker> errorPoints = new ArrayList<ErrorMarker>(); /** * Stores previous list of error markers. */ protected ArrayList<ErrorMarker> errorPointsOld = new ArrayList<ErrorMarker>(); public void paintComponent(Graphics g) { Graphics2D g2d = (Graphics2D) g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g.setColor(backgroundColor); g.fillRect(0, 0, getWidth(), getHeight()); for (ErrorMarker emarker : errorPoints) { if (emarker.getType() == ErrorMarker.Error) { g.setColor(errorColor); } else { g.setColor(warningColor); } g.fillRect(2, emarker.getY(), (getWidth() - 3), errorMarkerHeight); } } public Dimension getPreferredSize() { return new Dimension(preferredWidth, preferredHeight); } public Dimension getMinimumSize() { return getPreferredSize(); } public ErrorBar(JavaEditor editor, int height, JavaMode mode) { this.editor = editor; this.preferredHeight = height; this.errorCheckerService = editor.errorCheckerService; errorColor = mode.getColor("errorbar.errorcolor"); //, errorColor); warningColor = mode.getColor("errorbar.warningcolor"); //, warningColor); //backgroundColor = mode.getColor("errorbar.backgroundcolor"); //, backgroundColor); backgroundColor = mode.getColor("gutter.bgcolor"); addListeners(); } /** * Update error markers in the error bar. * * @param problems * - List of problems. */ synchronized public void updateErrorPoints(final List<Problem> problems) { // NOTE TO SELF: ErrorMarkers are calculated for the present tab only // Error Marker index in the arraylist is LOCALIZED for current tab. // Also, need to do the update in the UI thread via SwingWorker to prevent // concurrency issues. final int fheight = this.getHeight(); SwingWorker<Object, Object> worker = new SwingWorker<Object, Object>() { protected Object doInBackground() throws Exception { SketchCode sc = editor.getSketch().getCurrentCode(); int totalLines = 0, currentTab = editor.getSketch() .getCurrentCodeIndex(); try { totalLines = Base.countLines(sc.getDocument() .getText(0, sc.getDocument().getLength())) + 1; } catch (BadLocationException e) { e.printStackTrace(); } // System.out.println("Total lines: " + totalLines); synchronized (errorPoints) { errorPointsOld.clear(); for (ErrorMarker marker : errorPoints) { errorPointsOld.add(marker); } errorPoints.clear(); // Each problem.getSourceLine() will have an extra line added // because of // class declaration in the beginning as well as default imports synchronized (problems) { for (Problem problem : problems) { if (problem.getTabIndex() == currentTab) { // Ratio of error line to total lines float y = (problem.getLineNumber() + 1) / ((float) totalLines); // Ratio multiplied by height of the error bar y *= fheight - 15; // -15 is just a vertical offset errorPoints .add(new ErrorMarker(problem, (int) y, problem.isError() ? ErrorMarker.Error : ErrorMarker.Warning)); // System.out.println("Y: " + y); } } } } return null; } protected void done() { repaint(); } }; try { worker.execute(); // I eat concurrency bugs for breakfast. } catch (Exception exp) { System.out.println("Errorbar update markers is slacking." + exp.getMessage()); // e.printStackTrace(); } } /** * Check if new errors have popped up in the sketch since the last check * * @return true - if errors have changed */ public boolean errorPointsChanged() { if (errorPointsOld.size() != errorPoints.size()) { editor.getTextArea().repaint(); // System.out.println("2 Repaint " + System.currentTimeMillis()); return true; } else { for (int i = 0; i < errorPoints.size(); i++) { if (errorPoints.get(i).getY() != errorPointsOld.get(i).getY()) { editor.getTextArea().repaint(); // System.out.println("3 Repaint " + // System.currentTimeMillis()); return true; } } } return false; } /** * Add various mouse listeners. */ protected void addListeners() { addMouseListener(new MouseAdapter() { // Find out which error/warning the user has clicked // and then scroll to that @Override public void mouseClicked(final MouseEvent e) { SwingWorker<Object, Object> worker = new SwingWorker<Object, Object>() { protected Object doInBackground() throws Exception { for (ErrorMarker eMarker : errorPoints) { // -2 and +2 are extra allowance, clicks in the // vicinity of the markers register that way if (e.getY() >= eMarker.getY() - 2 && e.getY() <= eMarker.getY() + 2 + errorMarkerHeight) { errorCheckerService.scrollToErrorLine(eMarker.getProblem()); return null; } } return null; } }; try { worker.execute(); } catch (Exception exp) { System.out.println("Errorbar mouseClicked is slacking." + exp.getMessage()); // e.printStackTrace(); } } }); // Tooltip on hover addMouseMotionListener(new MouseMotionAdapter() { public void mouseMoved(final MouseEvent evt) { SwingWorker<Object, Object> worker = new SwingWorker<Object, Object>() { protected Object doInBackground() throws Exception { for (ErrorMarker eMarker : errorPoints) { if (evt.getY() >= eMarker.getY() - 2 && evt.getY() <= eMarker.getY() + 2 + errorMarkerHeight) { Problem p = eMarker.getProblem(); String msg = ((p.isError() ? Language.text("editor.status.error") : Language.text("editor.status.warning")) + ": " + p.getMessage()); setToolTipText(msg); setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR)); break; } } return null; } }; try { worker.execute(); } catch (Exception exp) { System.out .println("Errorbar mousemoved Worker is slacking." + exp.getMessage()); // e.printStackTrace(); } } }); } } |
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