package com.zipingfang.app.yawan.base;

import java.util.Stack;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;

/**
* @category View管理
* @author yuepengfei
* */
public class ViewUtil implements ViewUtilInterface {

private Stack<View> mViews;

@Override
public void addView(View view, ViewGroup layout) {
layout.addView(view);
}

@Override
public void updateView(Context context,View view, ViewGroup layout) {
boolean isHas = false;
if (null == mViews) {
mViews = new Stack<View>();
}

if (mViews.size() > 0) {
for (int i = 0; i < mViews.size(); i++) {
if (view == mViews.get(i)) {
isHas = true;
mViews.get(i).setVisibility(View.VISIBLE);
} else {
mViews.get(i).setVisibility(View.GONE);
}
}
}

if (!isHas) {
layout.addView(view);
mViews.add(view);
}
}

public int getViewNum() {
return null == mViews ? 0 : mViews.size();
}

public void removeTopView(ViewGroup layout) {
if (null != mViews) {
if (mViews.size() > 1) {
layout.removeView(mViews.get(mViews.size() - 1));
mViews.remove(mViews.size() - 1);
mViews.get(mViews.size() - 1).setVisibility(View.VISIBLE);
}
}
}

@Override
public void removeView(View view, ViewGroup layout) {
layout.removeView(view);
mViews.remove(view);
}

@Override
public void removeAllviews(ViewGroup layout) {
layout.removeAllViews();
mViews.clear();

}
}

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