/**
* Performs spreadsheet drag-copy operation.
*
* @param sx1 source minimum column
* @param sy1 source minimum row
* @param sx2 source maximum column
* @param sy2 source maximum row
* @param dx1 destination minimum column
* @param dy1 destination minimum row
* @param dx2 destination maximum column
* @param dy2 destination maximum row
* @return
*/
public boolean doDragCopy(
int sx1, int sy1, int sx2, int sy2, int dx1, int dy1, int dx2, int dy2) {
// -|1|-
// 2|-|3
// -|4|-
app.setWaitCursor();
Construction cons = kernel.getConstruction();
try {
boolean success = false;
// collect all redefine operations
cons.startCollectingRedefineCalls();
boolean patternOK = isPatternSource(new CellRange(app, sx1, sy1, sx2, sy2));
// ==============================================
// vertical drag
// ==============================================
if ((sx1 == dx1) && (sx2 == dx2)) {
if (dy2 < sy1) { // 1 ----- drag up
if (((sy1 + 1) == sy2) && patternOK) {
// two row source, so drag copy a linear pattern
for (int x = sx1; x <= sx2; ++x) {
GeoElement v1 = getValue(app, x, sy1);
GeoElement v2 = getValue(app, x, sy2);
if ((v1 == null) || (v2 == null)) {
continue;
}
for (int y = dy2; y >= dy1; --y) {
GeoElement v3 = getValue(app, x, y + 2);
GeoElement v4 = getValue(app, x, y + 1);
String vs1 = v3.isGeoFunction() ? "(x)" : "";
String vs2 = v4.isGeoFunction() ? "(x)" : "";
String d0 = GeoElementSpreadsheet.getSpreadsheetCellName(x, y + 2) + vs1;
String d1 = GeoElementSpreadsheet.getSpreadsheetCellName(x, y + 1) + vs2;
String text = "=2*" + d1 + "-" + d0;
doCopyNoStoringUndoInfo1(kernel, app, text, v4, x, y);
}
}
} else { // not two row source, so drag-copy the first row
// of the source
doCopyVerticalNoStoringUndoInfo1(sx1, sx2, sy1, dy1, dy2);
}
success = true;
} else if (dy1 > sy2) { // 4 ---- drag down
if (((sy1 + 1) == sy2) && patternOK) {
// two row source, so drag copy a linear pattern
for (int x = sx1; x <= sx2; ++x) {
GeoElement v1 = getValue(app, x, sy1);
GeoElement v2 = getValue(app, x, sy2);
if ((v1 == null) || (v2 == null)) {
continue;
}
for (int y = dy1; y <= dy2; ++y) {
GeoElement v3 = getValue(app, x, y - 2);
GeoElement v4 = getValue(app, x, y - 1);
String vs1 = v3.isGeoFunction() ? "(x)" : "";
String vs2 = v4.isGeoFunction() ? "(x)" : "";
String d0 = GeoElementSpreadsheet.getSpreadsheetCellName(x, y - 2) + vs1;
String d1 = GeoElementSpreadsheet.getSpreadsheetCellName(x, y - 1) + vs2;
String text = "=2*" + d1 + "-" + d0;
doCopyNoStoringUndoInfo1(kernel, app, text, v4, x, y);
}
}
} else {
// not two row source, so drag-copy the last row of the
// source
doCopyVerticalNoStoringUndoInfo1(sx1, sx2, sy2, dy1, dy2);
}
success = true;
}
}
// ==============================================
// horizontal drag
// ==============================================
else if ((sy1 == dy1) && (sy2 == dy2)) {
if (dx2 < sx1) { // 2 ---- drag left
if (((sx1 + 1) == sx2) && patternOK) {
// two column source, so drag copy a linear pattern
for (int y = sy1; y <= sy2; ++y) {
GeoElement v1 = getValue(app, sx1, y);
GeoElement v2 = getValue(app, sx2, y);
if ((v1 == null) || (v2 == null)) {
continue;
}
for (int x = dx2; x >= dx1; --x) {
GeoElement v3 = getValue(app, x + 2, y);
GeoElement v4 = getValue(app, x + 1, y);
String vs1 = v3.isGeoFunction() ? "(x)" : "";
String vs2 = v4.isGeoFunction() ? "(x)" : "";
String d0 = GeoElementSpreadsheet.getSpreadsheetCellName(x + 2, y) + vs1;
String d1 = GeoElementSpreadsheet.getSpreadsheetCellName(x + 1, y) + vs2;
String text = "=2*" + d1 + "-" + d0;
doCopyNoStoringUndoInfo1(kernel, app, text, v4, x, y);
}
}
} else {
// not two column source, so drag-copy the first column
// of the source
doCopyHorizontalNoStoringUndoInfo1(sy1, sy2, sx1, dx1, dx2);
}
success = true;
} else if (dx1 > sx2) { // 4 --- drag right
if (((sx1 + 1) == sx2) && patternOK) {
// two column source, so drag copy a linear pattern
for (int y = sy1; y <= sy2; ++y) {
GeoElement v1 = getValue(app, sx1, y);
GeoElement v2 = getValue(app, sx2, y);
if ((v1 == null) || (v2 == null)) {
continue;
}
for (int x = dx1; x <= dx2; ++x) {
GeoElement v3 = getValue(app, x - 2, y);
GeoElement v4 = getValue(app, x - 1, y);
String vs1 = v3.isGeoFunction() ? "(x)" : "";
String vs2 = v4.isGeoFunction() ? "(x)" : "";
String d0 = GeoElementSpreadsheet.getSpreadsheetCellName(x - 2, y) + vs1;
String d1 = GeoElementSpreadsheet.getSpreadsheetCellName(x - 1, y) + vs2;
String text = "=2*" + d1 + "-" + d0;
doCopyNoStoringUndoInfo1(kernel, app, text, v4, x, y);
}
}
} else {
// not two column source, so drag-copy the last column
// of the source
doCopyHorizontalNoStoringUndoInfo1(sy1, sy2, sx2, dx1, dx2);
}
success = true;
}
}
// now do all redefining and build new construction
cons.processCollectedRedefineCalls();
if (success) {
return true;
}
String msg =
"sx1 = " + sx1 + "\r\n" + "sy1 = " + sy1 + "\r\n" + "sx2 = " + sx2 + "\r\n" + "sy2 = "
+ sy2 + "\r\n" + "dx1 = " + dx1 + "\r\n" + "dy1 = " + dy1 + "\r\n" + "dx2 = " + dx2
+ "\r\n" + "dy2 = " + dy2 + "\r\n";
throw new RuntimeException("Error from RelativeCopy.doCopy:\r\n" + msg);
} catch (Exception ex) {
// kernel.getApplication().showError(ex.getMessage());
ex.printStackTrace();
return false;
} finally {
cons.stopCollectingRedefineCalls();
app.setDefaultCursor();
}
}
