/**
* Method that returns the target view for the current resize frame
*
* @return The target view
*/
View findTargetFromResizeFrame() {
int count = getChildCount();
for (int i = 0; i < count; i++) {
View v = getChildAt(i);
if (v.getX() < (mResizeFrame.getX() + (mResizeFrame.getWidth() / 2))
&& (v.getX() + v.getWidth()) > (mResizeFrame.getX() + (mResizeFrame.getWidth() / 2))
&& v.getY() < (mResizeFrame.getY() + (mResizeFrame.getHeight() / 2))
&& (v.getY() + v.getHeight()) > (mResizeFrame.getY() + (mResizeFrame.getHeight() / 2))) {
return v;
}
}
return null;
}
@Override
public void onResize(int mode, int delta) {
if (mTarget == null) return;
if (mResizeFrame == null) return;
int w = getMeasuredWidth() - (getPaddingLeft() + getPaddingRight());
int h = getMeasuredHeight() - (getPaddingTop() + getPaddingBottom());
int minWidth = (w / mCols) + (w / mCols) / 2;
int minHeight = (h / mRows) + (h / mRows) / 2;
FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) mResizeFrame.getLayoutParams();
switch (mode) {
case Gravity.LEFT:
float newpos = mResizeFrame.getX() + delta;
if ((delta < 0 && newpos < (getPaddingLeft() * -1))
|| (delta > 0 && newpos > (mResizeFrame.getX() + params.width - minWidth))) {
return;
}
mResizeFrame.setX(newpos);
params.width -= delta;
break;
case Gravity.RIGHT:
if ((delta < 0 && ((params.width + delta) < minWidth))
|| (delta > 0
&& (mResizeFrame.getX() + delta + params.width)
> (getPaddingLeft() + getMeasuredWidth()))) {
return;
}
params.width += delta;
break;
case Gravity.TOP:
newpos = mResizeFrame.getY() + delta;
if ((delta < 0 && newpos < (getPaddingTop() * -1))
|| (delta > 0 && newpos > (mResizeFrame.getY() + params.height - minHeight))) {
return;
}
mResizeFrame.setY(newpos);
params.height -= delta;
break;
case Gravity.BOTTOM:
if ((delta < 0 && ((params.height + delta) < minHeight))
|| (delta > 0
&& (mResizeFrame.getY() + delta + params.height)
> (getPaddingTop() + getMeasuredHeight()))) {
return;
}
params.height += delta;
break;
default:
break;
}
mResizeFrame.setLayoutParams(params);
}
/**
* Method that converts the resize frame to a dispostion reference
*
* @return Disposition The disposition reference
*/
private Disposition resizerToDisposition() {
int w = getMeasuredWidth() - (getPaddingLeft() + getPaddingRight());
int h = getMeasuredHeight() - (getPaddingTop() + getPaddingBottom());
int cw = w / mCols;
int ch = h / mRows;
// Remove overlapped areas
Disposition resizer = new Disposition();
resizer.x = Math.round(mResizeFrame.getX() / cw);
resizer.y = Math.round(mResizeFrame.getY() / ch);
resizer.w = Math.round(mResizeFrame.getWidth() / cw);
resizer.h = Math.round(mResizeFrame.getHeight() / ch);
// Fix disposition (limits)
resizer.x = Math.max(resizer.x, 0);
resizer.y = Math.max(resizer.y, 0);
resizer.w = Math.min(resizer.w, mCols - resizer.x);
resizer.h = Math.min(resizer.h, mRows - resizer.y);
return resizer;
}
