@Override
public int viewToModel(float x, float y, Shape a, Position.Bias[] bias) {
int offs = -1;
if (!isAllocationValid()) {
Rectangle alloc = a.getBounds();
setSize(alloc.width, alloc.height);
}
// Get the child view for the line at (x,y), and ask it for the
// specific offset.
Rectangle alloc = getInsideAllocation(a);
View v = getViewAtPoint((int) x, (int) y, alloc);
if (v != null) {
offs = v.viewToModel(x, y, alloc, bias);
}
// Code folding may have hidden the last line. If so, return the last
// visible offset instead of the last offset.
if (host.isCodeFoldingEnabled()
&& v == getView(getViewCount() - 1)
&& offs == v.getEndOffset() - 1) {
offs = host.getLastVisibleOffset();
}
return offs;
}
/**
* Provides a mapping from the view coordinate space to the logical coordinate space of the model.
*
* @param x x coordinate of the view location to convert >= 0
* @param y y coordinate of the view location to convert >= 0
* @param a the allocated region to render into
* @param bias either <code>Position.Bias.Forward</code> or <code>Position.Bias.Backward</code>
* @return the location within the model that best represents the given point in the view >= 0
* @see View#viewToModel
*/
public int viewToModel(float x, float y, Shape a, Position.Bias[] bias) {
Rectangle alloc = getInsideAllocation(a);
if (isBefore((int) x, (int) y, alloc)) {
// point is before the range represented
int retValue = -1;
try {
retValue = getNextVisualPositionFrom(-1, Position.Bias.Forward, a, EAST, bias);
} catch (BadLocationException ble) {
} catch (IllegalArgumentException iae) {
}
if (retValue == -1) {
retValue = getStartOffset();
bias[0] = Position.Bias.Forward;
}
return retValue;
} else if (isAfter((int) x, (int) y, alloc)) {
// point is after the range represented.
int retValue = -1;
try {
retValue = getNextVisualPositionFrom(-1, Position.Bias.Forward, a, WEST, bias);
} catch (BadLocationException ble) {
} catch (IllegalArgumentException iae) {
}
if (retValue == -1) {
// NOTE: this could actually use end offset with backward.
retValue = getEndOffset() - 1;
bias[0] = Position.Bias.Forward;
}
return retValue;
} else {
// locate the child and pass along the request
View v = getViewAtPoint((int) x, (int) y, alloc);
if (v != null) {
return v.viewToModel(x, y, alloc, bias);
}
}
return -1;
}