private void moveCursor(int step) {
int top = getTopOffset();
int visible = getContentHeight();
// #sijapp cond.if modules_TOUCH is "true"#
if (touchUsed) {
touchUsed = false;
int curr = getCurrItem();
int current = getOffset(curr);
if ((current + getItemHeight(curr) < top) || (top + visible < current)) {
int offset = (step < 0) ? (top + visible - 1) : (top + 1);
setCurrentItemIndex(getItemByOffset(offset));
return;
}
}
// #sijapp cond.end#
int next = getCurrItem() + step;
if (VirtualList.MP_SELECTABLE_ONLY == getMovingPolicy()) {
while (!isItemSelectable(next)) {
next += step;
if ((next < 0) || (getSize() <= next)) {
break;
}
}
}
next = Math.max(-1, Math.min(next, getSize()));
if (0 < step) {
if (getSize() == next) {
int end = getFullSize() - visible;
if (top < end) {
setTopByOffset(Math.min(end, top + visible / 3));
return;
}
} else {
int nextOffset = getOffset(next);
if (top + visible < nextOffset) {
setTopByOffset(top + visible / 3);
return;
}
}
} else {
if (-1 == next) {
if (0 < top) {
setTopByOffset(Math.max(0, top - visible / 3));
return;
}
} else {
if (getOffset(next) + getItemHeight(next) < top) {
setTopByOffset(top - visible / 3);
return;
}
}
}
if ((next < 0) || (getSize() <= next)) {
return;
}
setCurrentItemIndex(next);
}
private void setOptimalTopItem() {
int size = getSize();
if (0 == size) {
setTopByOffset(0);
return;
}
int current = Math.max(0, getCurrItem());
int top = get_Top();
int topOffset = get_TopOffset();
if (current <= top) {
top = current;
final int contentHeight = getContentHeight();
int maxTopHeight = getOffset(size) - contentHeight;
top = Math.min(top, getItemByOffset(maxTopHeight));
setTop(top, Math.max(0, getItemHeight(top) - contentHeight));
} else {
top = Math.min(top, size - 1);
int height;
int offset = getContentHeight();
for (int item = current; top <= item; --item) {
height = getItemHeight(item);
offset -= height;
if (offset <= 0) {
offset = -offset;
if (item == current) {
offset = 0;
}
if (item < top) {
} else if ((item == top) && (offset < topOffset)) {
} else {
setTop(item, offset);
}
return;
}
}
}
}
private void setCurrItem(int cItem) {
currItem = Math.max(0, Math.min(cItem, getSize() - 1));
}
private void drawItems(GraphicsEx g, int top_y, int itemWidth, int height) {
int size = getSize();
int bottom = height + top_y;
if (0 == size) {
drawEmptyItems(g, top_y);
return;
}
boolean showCursor = false;
int currentY = 0;
int currentIndex = isCurrentItemSelectable() ? getCurrItem() : -1;
// #sijapp cond.if modules_TOUCH is "true"#
if (touchUsed && !touchPressed) currentIndex = -1;
// #sijapp cond.end#
{ // background
int offset = topOffset;
int y = top_y;
for (int i = topItem; i < size; ++i) {
int itemHeight = getItemHeight(i);
int realHeight = Math.min(itemHeight - offset, bottom - y + 1);
g.setClip(0, y, itemWidth, realHeight + 1);
g.setStrokeStyle(Graphics.SOLID);
if (i == currentIndex) {
currentY = y - offset;
if (g.notEqualsColor(CanvasEx.THEME_BACKGROUND, CanvasEx.THEME_SELECTION_BACK)) {
g.setThemeColor(CanvasEx.THEME_SELECTION_BACK);
g.fillRect(0, currentY, itemWidth - 1, itemHeight);
}
drawItemBack(g, i, 2, y - offset, itemWidth - 4, itemHeight, offset, realHeight);
showCursor = true;
} else {
drawItemBack(g, i, 2, y - offset, itemWidth - 4, itemHeight, offset, realHeight);
}
y += itemHeight - offset;
if (y >= bottom) break;
offset = 0;
}
if (0 < MyScrollBar.showScroll) {
g.setClip(0, top_y, itemWidth, bottom - top_y);
MyScrollBar.paint(g, this, CanvasEx.THEME_SCROLL_BACK);
}
}
{ // Draw items
g.setColor(0);
int offset = topOffset;
int y = top_y;
for (int i = topItem; i < size; ++i) {
int itemHeight = getItemHeight(i);
int realHeight = Math.min(itemHeight, bottom - y + 1);
g.setClip(0, y, itemWidth, realHeight + 1);
g.setStrokeStyle(Graphics.SOLID);
drawItemData(g, i, 2, y - offset, itemWidth - 4, itemHeight, offset, realHeight);
y += itemHeight - offset;
if (y >= bottom) break;
offset = 0;
}
}
if (showCursor) {
int itemHeight = getItemHeight(currentIndex);
g.setClip(0, currentY, itemWidth, itemHeight + 1);
g.setThemeColor(CanvasEx.THEME_SELECTION_RECT);
g.setStrokeStyle(Graphics.SOLID);
g.drawSimpleRect(0, currentY, itemWidth - 1, itemHeight);
}
}
public final void setTopByOffset(int offset) {
offset = Math.max(0, Math.min(offset, getFullSize() - getContentHeight()));
int top = getItemByOffset(offset);
setTop(top, offset - getOffset(top));
}