/** Select or grow image when clicked. */
public void mousePressed(MouseEvent e) {
Dimension size = fComponent.getSize();
if (e.getX() >= size.width - 7 && e.getY() >= size.height - 7 && getSelectionState() == 2) {
// Click in selected grow-box:
if (DEBUG) System.out.println("ImageView: grow!!! Size=" + fWidth + "x" + fHeight);
Point loc = fComponent.getLocationOnScreen();
fGrowBase = new Point(loc.x + e.getX() - fWidth, loc.y + e.getY() - fHeight);
fGrowProportionally = e.isShiftDown();
} else {
// Else select image:
fGrowBase = null;
JTextComponent comp = (JTextComponent) fContainer;
int start = fElement.getStartOffset();
int end = fElement.getEndOffset();
int mark = comp.getCaret().getMark();
int dot = comp.getCaret().getDot();
if (e.isShiftDown()) {
// extend selection if shift key down:
if (mark <= start) comp.moveCaretPosition(end);
else comp.moveCaretPosition(start);
} else {
// just select image, without shift:
if (mark != start) comp.setCaretPosition(start);
if (dot != end) comp.moveCaretPosition(end);
}
}
}
/**
* Provides a way to determine the next visually represented model location at which one might
* place a caret. Some views may not be visible, they might not be in the same order found in the
* model, or they just might not allow access to some of the locations in the model.
*
* @param pos the position to convert >= 0
* @param a the allocated region in which to render
* @param direction the direction from the current position that can be thought of as the arrow
* keys typically found on a keyboard. This will be one of the following values:
* <ul>
* <li>SwingConstants.WEST
* <li>SwingConstants.EAST
* <li>SwingConstants.NORTH
* <li>SwingConstants.SOUTH
* </ul>
*
* @return the location within the model that best represents the next location visual position
* @exception BadLocationException
* @exception IllegalArgumentException if <code>direction</code> doesn't have one of the legal
* values above
*/
public int getNextVisualPositionFrom(
int pos, Position.Bias b, Shape a, int direction, Position.Bias[] biasRet)
throws BadLocationException {
biasRet[0] = Position.Bias.Forward;
switch (direction) {
case NORTH:
case SOUTH:
{
if (pos == -1) {
pos = (direction == NORTH) ? Math.max(0, getEndOffset() - 1) : getStartOffset();
break;
}
JTextComponent target = (JTextComponent) getContainer();
Caret c = (target != null) ? target.getCaret() : null;
// YECK! Ideally, the x location from the magic caret position
// would be passed in.
Point mcp;
if (c != null) {
mcp = c.getMagicCaretPosition();
} else {
mcp = null;
}
int x;
if (mcp == null) {
Rectangle loc = target.modelToView(pos);
x = (loc == null) ? 0 : loc.x;
} else {
x = mcp.x;
}
if (direction == NORTH) {
pos = Utilities.getPositionAbove(target, pos, x);
} else {
pos = Utilities.getPositionBelow(target, pos, x);
}
}
break;
case WEST:
if (pos == -1) {
pos = Math.max(0, getEndOffset() - 1);
} else {
pos = Math.max(0, pos - 1);
}
break;
case EAST:
if (pos == -1) {
pos = getStartOffset();
} else {
pos = Math.min(pos + 1, getDocument().getLength());
}
break;
default:
throw new IllegalArgumentException("Bad direction: " + direction);
}
return pos;
}
