/**
* 绘制选单
*
* @param g
* @param color1
* @param color2
*/
public void drawChoice(LGraphics g) {
if (!visible) {
return;
}
int x1 = this.getX() - 5;
int y1 = this.getY();
int x2 = this.getWidth() + 20;
int y2 = this.getAllHeight() + 10;
int w = x2 + 15;
int h = y2 + 10;
if (dialogImage == null) {
dialogImage = createDefaultDialog(w, h);
}
Font font = g.getFont();
try {
g.setFont(defFont);
// 选中项
int i = getDrawContent();
g.drawImage(dialogImage, x1, y1 - 5);
if (i >= 0 && i < maxSize) {
LGradation.getInstance(Color.white, Color.black, getWidth() + 6, getSpace())
.drawHeight(g, x1 + 14, y1 + getSpace() * getDrawContent() + 2);
g.setColor(Color.darkGray);
g.drawRect(x1 + 14, y1 + getSpace() * getDrawContent() + 2, getWidth() + 6, getSpace());
}
int index = 0;
// 遍历文字与颜色信息
for (; ; ) {
if (index >= maxSize) {
break;
}
int viewIndex = index + view;
if (viewIndex >= choice.length) {
break;
}
Color nColor;
if (colors[viewIndex] != null) {
nColor = colors[viewIndex];
} else {
nColor = Color.white;
}
int i1 = 0;
for (int j1 = 0; j1 < choice[viewIndex].length; j1++) {
g.drawStyleString(
choice[viewIndex][j1],
posX + i1 + 14,
posY + index * getSpace() + getHeight(),
Color.darkGray,
nColor);
i1 += mesList[j1] + tab;
}
index++;
}
} finally {
g.setFont(font);
}
}
/**
* 创建默认的选择器背景图片
*
* @param w
* @param h
* @return
*/
private LImage createDefaultDialog(int w, int h) {
if (lazyDialog == null) {
lazyDialog = new HashMap<String, LImage>(10);
}
int hash = 1;
hash = LSystem.unite(hash, w);
hash = LSystem.unite(hash, h);
String key = String.valueOf(hash);
LImage o = (LImage) lazyDialog.get(key);
if (o == null) {
o = LImage.createImage(w, h, true);
LGraphics g = o.getLGraphics();
LGradation.getInstance(Color.white, Color.black, w, h).drawHeight(g, 0, 0);
g.setColor(Color.black);
g.drawRect(0, 0, w - 1, h - 1);
g.dispose();
lazyDialog.put(key, o);
}
return o;
}