/**
* Prepares a spreadsheet cell editor string for processing in the kernel and returns either (1) a
* new GeoElement for the cell or (2) null.
*
* @param kernel kernel
* @param app application
* @param inputText string representation of the new GeoElement
* @param oldValue current cell GeoElement
* @param column cell column
* @param row cell row
* @return either (1) a new GeoElement for the cell or (2) null
* @throws Exception
*/
public static GeoElement prepareAddingValueToTableNoStoringUndoInfo(
Kernel kernel, App app, String inputText, GeoElement oldValue, int column, int row)
throws Exception {
String text = inputText;
// get the cell name
String name = GeoElementSpreadsheet.getSpreadsheetCellName(column, row);
// trim the text
if (text != null) {
text = text.trim();
if (text.length() == 0) {
text = null;
}
}
// if "=" is required before commands and text is not a number
// or does not begin with "=" then surround it with quotes.
// This will force the cell to become GeoText.
if (app.getSettings().getSpreadsheet().equalsRequired() && text != null) {
if (!((text.charAt(0) == '=') || isNumber(text))) {
text = "\"" + text + "\"";
}
}
// if the cell is currently GeoText then prepare it for changes
// make sure it can be changed to something else
// eg (2,3 can be overwritten as (2,3)
// if (oldValue != null && oldValue.isGeoText() &&
// !oldValue.hasChildren()) {
// oldValue.remove();
// oldValue = null;
// }
// if the text is null then remove the current cell geo and return null
if (text == null) {
if (oldValue != null) {
oldValue.remove();
}
return null;
// else if the target cell is empty, try to create a new GeoElement
// for this cell
} else if (oldValue == null) {
try {
// this will be a new geo
return prepareNewValue(kernel, name, text);
} catch (Throwable t) {
return prepareNewValue(kernel, name, "");
}
// else the target cell is an existing GeoElement, so redefine it
} else {
return updateOldValue(kernel, oldValue, name, text);
}
}
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;
}