private void doActionPerformed() {
   NumberValue newVal = kernel.getAlgebraProcessor().evaluateToNumeric(tfAnimStep.getText(), true);
   if (newVal != null && !Double.isNaN(newVal.getDouble())) {
     for (int i = 0; i < geos.length; i++) {
       GeoElement geo = (GeoElement) geos[i];
       geo.setAnimationStep(newVal);
       geo.updateRepaint();
     }
   }
   update(geos);
 }
Beispiel #2
0
  private static GeoElement updateOldValue(
      Kernel kernel, GeoElement oldValue, String name, String text) throws Exception {
    String text0 = text;
    if (text.charAt(0) == '=') {
      text = text.substring(1);
    }
    GeoElement newValue = null;
    try {
      // always redefine objects in spreadsheet, don't store undo info
      // here
      newValue =
          kernel
              .getAlgebraProcessor()
              .changeGeoElementNoExceptionHandling(oldValue, text, true, false);

      // newValue.setConstructionDefaults();
      newValue.setAllVisualProperties(oldValue, true);
      if (oldValue.isAuxiliaryObject()) {
        newValue.setAuxiliaryObject(true);
      }

      // Application.debug("GeoClassType = " +
      // newValue.getGeoClassType()+" " + newValue.getGeoClassType());
      if (newValue.getGeoClassType() == oldValue.getGeoClassType()) {
        // newValue.setVisualStyle(oldValue);
      } else {
        kernel.getApplication().refreshViews();
      }
    } catch (CircularDefinitionException cde) {
      kernel.getApplication().showError("CircularDefinition");
      return null;
    } catch (Throwable e) {
      // if exception is thrown treat the input as text and try to update
      // the cell as a GeoText
      {
        // reset the text string if old value is GeoText
        if (oldValue.isGeoText()) {
          ((GeoText) oldValue).setTextString(text0);
          oldValue.updateCascade();
        }

        // if not currently a GeoText and no children, redefine the cell
        // as new GeoText
        else if (!oldValue.hasChildren()) {
          oldValue.remove();

          // add input as text
          try {
            newValue = prepareNewValue(kernel, name, "\"" + text0 + "\"");
          } catch (Throwable t) {
            newValue = prepareNewValue(kernel, name, "");
          }
          newValue.setEuclidianVisible(false);
          newValue.update();
        }

        // otherwise throw an exception and let the cell revert to the
        // old value
        else {
          throw new Exception(e);
        }
      }
    }
    return newValue;
  }
Beispiel #3
0
  private static GeoElement prepareNewValue(Kernel kernel, String name, String inputText)
      throws Exception {
    String text = inputText;
    if (text == null) {
      return null;
    }

    // remove leading equal sign, e.g. "= A1 + A2"
    if (text.length() > 0 && text.charAt(0) == '=') {
      text = text.substring(1);
    }
    text = text.trim();

    // no equal sign in input
    GeoElement[] newValues = null;
    try {
      // check if input is same as name: circular definition
      if (text.equals(name)) {
        // circular definition
        throw new CircularDefinitionException();
      }

      // evaluate input text without an error dialog in case of unquoted
      // text
      newValues =
          kernel
              .getAlgebraProcessor()
              .processAlgebraCommandNoExceptionHandling(text, false, false, false);

      // check if text was the label of an existing geo
      // toUpperCase() added to fix bug A1=1, enter just 'a1' or 'A1' into
      // cell B1 -> A1 disappears
      if (StringUtil.toLowerCase(text).equals(newValues[0].getLabel(StringTemplate.defaultTemplate))
          // also need eg =a to work
          || text.equals(newValues[0].getLabel(StringTemplate.defaultTemplate))) {
        // make sure we create a copy of this existing or auto-created
        // geo
        // by providing the new cell name in the beginning
        text = name + " = " + text;
        newValues = kernel.getAlgebraProcessor().processAlgebraCommandNoExceptions(text, false);
      }

      // check if name was auto-created: if yes we could have a circular
      // definition
      GeoElement autoCreateGeo = kernel.lookupLabel(name);
      if (autoCreateGeo != null) {
        // check for circular definition: if newValue depends on
        // autoCreateGeo
        boolean circularDefinition = false;
        for (int i = 0; i < newValues.length; i++) {
          if (newValues[i].isChildOf(autoCreateGeo)) {
            circularDefinition = true;
            break;
          }
        }

        if (circularDefinition) {
          // remove the auto-created object and the result
          autoCreateGeo.remove();
          newValues[0].remove();

          // circular definition
          throw new CircularDefinitionException();
        }
      }

      for (int i = 0; i < newValues.length; i++) {
        newValues[i].setAuxiliaryObject(true);
        if (newValues[i].isGeoText()) {
          newValues[i].setEuclidianVisible(false);
        }
      }

      GeoElement.setLabels(name, newValues); // set names to be D1,
      // E1,
      // F1, etc for multiple
      // objects
    } catch (CircularDefinitionException ce) {
      // circular definition
      kernel.getApplication().showError("CircularDefinition");
      return null;
    } catch (Exception e) {
      // create text if something went wrong
      if (text.startsWith("\"")) text = text.substring(1, text.length() - 2);
      text = "\"" + (text.replace("\"", "\"+UnicodeToLetter[34]+\"")) + "\"";
      newValues = kernel.getAlgebraProcessor().processAlgebraCommandNoExceptions(text, false);
      newValues[0].setLabel(name);
      newValues[0].setEuclidianVisible(false);
      newValues[0].update();
    }
    return newValues[0];
  }
Beispiel #4
0
  public static GeoElement doCopyNoStoringUndoInfo0(
      Kernel kernel, App app, GeoElement value, GeoElement oldValue, int dx, int dy)
      throws Exception {
    if (value == null) {
      if (oldValue != null) {
        MatchResult matcher =
            GeoElementSpreadsheet.spreadsheetPatternPart.exec(
                oldValue.getLabel(StringTemplate.defaultTemplate));
        int column = GeoElementSpreadsheet.getSpreadsheetColumn(matcher);
        int row = GeoElementSpreadsheet.getSpreadsheetRow(matcher);

        prepareAddingValueToTableNoStoringUndoInfo(kernel, app, null, oldValue, column, row);
      }
      return null;
    }
    String text = null;

    // make sure a/0.001 doesn't become a/0

    StringTemplate highPrecision = StringTemplate.maxPrecision;
    if (value.isPointOnPath() || value.isPointInRegion()) {
      text = value.getCommandDescription(highPrecision);
    } else if (value.isChangeable()) {
      text = value.toValueString(highPrecision);
    } else {
      text = value.getCommandDescription(highPrecision);
    }

    // handle GeoText source value
    if (value.isGeoText() && !((GeoText) value).isTextCommand()) {
      // enclose text in quotes if we are copying an independent GeoText,
      // e.g. "2+3"
      if (value.isIndependent()) {
        text = "\"" + text + "\"";
      } else {

        // check if 'text' parses to a GeoText
        GeoText testGeoText = kernel.getAlgebraProcessor().evaluateToText(text, false, false);

        // if it doesn't then force it to by adding +"" on the end
        if (testGeoText == null) {
          text = text + "+\"\"";
        }
      }
    }

    // for E1 = Polynomial[D1] we need value.getCommandDescription();
    // even though it's a GeoFunction
    if (value.isGeoFunction() && text.equals("")) {
      // we need the definition without A1(x)= on the front
      text = ((GeoFunction) value).toSymbolicString(highPrecision);
    }

    boolean freeImage = false;

    if (value.isGeoImage()) {
      GeoImage image = (GeoImage) value;
      if (image.getParentAlgorithm() == null) {
        freeImage = true;
      }
    }

    // Application.debug("before:"+text);
    text = updateCellReferences(value, text, dx, dy);
    // Application.debug("after:"+text);

    // condition to show object
    GeoBoolean bool = value.getShowObjectCondition();
    String boolText = null, oldBoolText = null;
    if (bool != null) {
      if (bool.isChangeable()) {
        oldBoolText = bool.toValueString(highPrecision);
      } else {
        oldBoolText = bool.getCommandDescription(highPrecision);
      }
    }

    if (oldBoolText != null) {
      boolText = updateCellReferences(bool, oldBoolText, dx, dy);
    }

    String startPoints[] = null;
    if (value instanceof Locateable) {
      Locateable loc = (Locateable) value;

      GeoPointND[] pts = loc.getStartPoints();

      startPoints = new String[pts.length];

      for (int i = 0; i < pts.length; i++) {
        startPoints[i] = ((GeoElement) pts[i]).getLabel(highPrecision);
        startPoints[i] = updateCellReferences((GeoElement) pts[i], startPoints[i], dx, dy);
      }
    }

    // dynamic color function
    GeoList dynamicColorList = value.getColorFunction();
    String colorText = null, oldColorText = null;
    if (dynamicColorList != null) {
      if (dynamicColorList.isChangeable()) {
        oldColorText = dynamicColorList.toValueString(highPrecision);
      } else {
        oldColorText = dynamicColorList.getCommandDescription(highPrecision);
      }
    }

    if (oldColorText != null) {
      colorText = updateCellReferences(dynamicColorList, oldColorText, dx, dy);
    }

    // allow pasting blank strings
    if (text.equals("")) {
      text = "\"\"";
    }

    // make sure that non-GeoText elements are copied when the
    // equalsRequired option is set
    if (!value.isGeoText() && app.getSettings().getSpreadsheet().equalsRequired()) {
      text = "=" + text;
    }

    // Application.debug("add text = " + text + ", name = " + (char)('A' +
    // column + dx) + (row + dy + 1));

    // create the new cell geo
    MatchResult matcher =
        GeoElementSpreadsheet.spreadsheetPatternPart.exec(
            value.getLabel(StringTemplate.defaultTemplate));
    int column0 = GeoElementSpreadsheet.getSpreadsheetColumn(matcher);
    int row0 = GeoElementSpreadsheet.getSpreadsheetRow(matcher);
    GeoElement value2;
    if (freeImage || value.isGeoButton()) {
      value2 = value.copy();
      if (oldValue != null) {
        oldValue.remove();
      }
      // value2.setLabel(table.getModel().getColumnName(column0 + dx)
      //		+ (row0 + dy + 1));
      value2.setLabel(GeoElementSpreadsheet.getSpreadsheetCellName(column0 + dx, row0 + dy + 1));
      value2.updateRepaint();
    } else {
      value2 =
          prepareAddingValueToTableNoStoringUndoInfo(
              kernel, app, text, oldValue, column0 + dx, row0 + dy);
    }
    value2.setAllVisualProperties(value, false);

    value2.setAuxiliaryObject(true);

    // attempt to set updated condition to show object (if it's changed)
    if ((boolText != null)) {
      // removed as doesn't work for eg "random()<0.5" #388
      // && !boolText.equals(oldBoolText)) {
      try {
        // Application.debug("new condition to show object: "+boolText);
        GeoBoolean newConditionToShowObject =
            kernel.getAlgebraProcessor().evaluateToBoolean(boolText);
        value2.setShowObjectCondition(newConditionToShowObject);
        value2.update(); // needed to hide/show object as appropriate
      } catch (Exception e) {
        e.printStackTrace();
        return null;
      }
    }

    // attempt to set updated dynamic color function (if it's changed)
    if ((colorText != null)) {
      // removed as doesn't work for eg "random()" #388
      // && !colorText.equals(oldColorText)) {
      try {
        // Application.debug("new color function: "+colorText);
        GeoList newColorFunction = kernel.getAlgebraProcessor().evaluateToList(colorText);
        value2.setColorFunction(newColorFunction);
        // value2.update();
      } catch (Exception e) {
        e.printStackTrace();
        return null;
      }
    }

    if (startPoints != null) {
      for (int i = 0; i < startPoints.length; i++) {
        ((Locateable) value2)
            .setStartPoint(
                kernel.getAlgebraProcessor().evaluateToPoint(startPoints[i], false, true), i);
      }

      value2.update();
    }

    // Application.debug((row + dy) + "," + column);
    // Application.debug("isGeoFunction()=" + value2.isGeoFunction());
    // Application.debug("row0 ="+row0+" dy="+dy+" column0= "+column0+" dx="+dx);

    return value2;
  }
Beispiel #5
0
 /**
  * Create a new text object
  *
  * @param text the text
  * @return new Geo text
  */
 public GeoText geoText(String text) {
   return kernel.getAlgebraProcessor().Text(null, text);
 }
Beispiel #6
0
 /**
  * Create a new PythonAPI instance
  *
  * @param app the running application instance
  */
 public PythonFlatAPI(AppD app) {
   this.app = app;
   this.kernel = app.getKernel();
   this.cons = kernel.getConstruction();
   this.algProcessor = kernel.getAlgebraProcessor();
 }