private boolean onArrowLeft(KeyboardEvent event) {
if (noContentCheck()) return true;
final int count = model.getRowCount();
if (hotPointY < 0 || hotPointY >= count) {
environment.hint(Hints.EMPTY_LINE);
return true;
}
if (hotPointX < initialHotPointX) hotPointX = initialHotPointX;
if (getColUnderPos(hotPointX) < 0) hotPointX = initialHotPointX;
final int currentCol = getColUnderPos(hotPointX);
final int currentColWidth = colWidth[currentCol];
final int colStartPos = getColStartPos(currentCol);
final TableCell c =
new TableCell(
hotPointX - colStartPos,
cellShift,
currentColWidth,
appearance.getCellText(model, currentCol, hotPointY));
if (!c.movePrev()) {
if (currentCol <= 0) {
environment.hint(Hints.TABLE_BEGIN_OF_ROW);
return true;
}
final String prevColText = appearance.getCellText(model, currentCol - 1, hotPointY);
final int prevColWidth = colWidth[currentCol - 1];
final int prevColStartPos = getColStartPos(currentCol - 1);
if (prevColText.length() > prevColWidth) {
hotPointX = prevColStartPos + prevColWidth;
cellShift = prevColText.length() - prevColWidth;
} else {
cellShift = 0;
hotPointX = prevColStartPos + prevColText.length();
}
environment.hint(Hints.TABLE_END_OF_COL);
environment.onAreaNewContent(this);
environment.onAreaNewHotPoint(this);
return true;
}
cellShift = c.shift;
hotPointX = c.pos + colStartPos;
if (c.pos == c.width) // Should never happen;
environment.hint(Hints.TABLE_END_OF_COL);
else environment.sayLetter(c.line.charAt(c.pos + c.shift));
environment.onAreaNewContent(this);
environment.onAreaNewHotPoint(this);
return true;
}
private boolean onArrowRight(KeyboardEvent event) {
if (noContentCheck()) return true;
final int count = model.getRowCount();
if (hotPointY < 0 || hotPointY >= count) {
environment.hint(Hints.EMPTY_LINE);
return true;
}
// Checking that hot point not before proper line begin;
if (hotPointX < initialHotPointX) hotPointX = initialHotPointX;
if (getColUnderPos(hotPointX) < 0) hotPointX = initialHotPointX;
final int currentCol = getColUnderPos(hotPointX);
final int currentColWidth = colWidth[currentCol];
final int colStartPos = getColStartPos(currentCol);
final int nextColStartPos = colStartPos + colWidth[currentCol] + 1;
final TableCell c =
new TableCell(
hotPointX - colStartPos,
cellShift,
currentColWidth,
appearance.getCellText(model, currentCol, hotPointY));
if (!c.moveNext()) {
if (currentCol + 1 >= colWidth.length) {
environment.hint(Hints.TABLE_END_OF_ROW);
return true;
}
cellShift = 0;
hotPointX = nextColStartPos;
final String nextColText = appearance.getCellText(model, currentCol + 1, hotPointY);
if (!nextColText.isEmpty()) environment.sayLetter(nextColText.charAt(0));
else
environment.hint(
currentCol + 2 < colWidth.length ? Hints.TABLE_END_OF_COL : Hints.TABLE_END_OF_ROW);
environment.onAreaNewContent(this);
environment.onAreaNewHotPoint(this);
return true;
}
cellShift = c.shift;
hotPointX = c.pos + colStartPos;
if (c.pos + c.shift >= c.line.length())
environment.hint(
currentCol + 1 < colWidth.length ? Hints.TABLE_END_OF_COL : Hints.TABLE_END_OF_ROW);
else environment.sayLetter(c.line.charAt(c.pos + c.shift));
environment.onAreaNewContent(this);
environment.onAreaNewHotPoint(this);
return true;
}