package MyJar.PickerView;
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import java.util.ArrayList;
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import android.view.View;
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import com.example.ios_pickerview.R;
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public class WheelOptions {
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private View view;
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private WheelView wv_option1;
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private WheelView wv_option2;
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private WheelView wv_option3;
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private ArrayList<String> mOptions1Items;
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private ArrayList<ArrayList<String>> mOptions2Items;
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private ArrayList<ArrayList<ArrayList<String>>> mOptions3Items;
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public int screenheight;
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public View getView() {
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return view;
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}
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public void setView(View view) {
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this.view = view;
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}
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public WheelOptions(View view) {
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super();
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this.view = view;
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setView(view);
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}
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public void setPicker(ArrayList<String> optionsItems) {
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setPicker(optionsItems, null, null, false);
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}
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public void setPicker(ArrayList<String> options1Items,
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ArrayList<ArrayList<String>> options2Items, boolean linkage) {
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setPicker(options1Items, options2Items, null, linkage);
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}
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public void setPicker(ArrayList<String> options1Items,
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ArrayList<ArrayList<String>> options2Items,
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ArrayList<ArrayList<ArrayList<String>>> options3Items,
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boolean linkage) {
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this.mOptions1Items = options1Items;
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this.mOptions2Items = options2Items;
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this.mOptions3Items = options3Items;
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int len = ArrayWheelAdapter.DEFAULT_LENGTH;
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if (this.mOptions3Items == null)
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len = 8;
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if (this.mOptions2Items == null)
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len = 12;
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// 选项1
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wv_option1 = (WheelView) view.findViewById(R.id.options1);
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wv_option1.setAdapter(new ArrayWheelAdapter(mOptions1Items, len));// 设置显示数据
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wv_option1.setCurrentItem(0);// 初始化时显示的数据
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// 选项2
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wv_option2 = (WheelView) view.findViewById(R.id.options2);
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if (mOptions2Items != null)
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wv_option2.setAdapter(new ArrayWheelAdapter(mOptions2Items.get(0)));// 设置显示数据
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wv_option2.setCurrentItem(wv_option1.getCurrentItem());// 初始化时显示的数据
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// 选项3
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wv_option3 = (WheelView) view.findViewById(R.id.options3);
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if (mOptions3Items != null)
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wv_option3.setAdapter(new ArrayWheelAdapter(mOptions3Items.get(0)
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.get(0)));// 设置显示数据
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wv_option3.setCurrentItem(wv_option3.getCurrentItem());// 初始化时显示的数据
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// 根据屏幕密度来指定选择器字体的大小(不同屏幕可能不同)
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int textSize = (screenheight / 100) * 4;
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wv_option1.TEXT_SIZE = textSize;
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wv_option2.TEXT_SIZE = textSize;
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wv_option3.TEXT_SIZE = textSize;
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if (this.mOptions2Items == null)
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wv_option2.setVisibility(View.GONE);
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if (this.mOptions3Items == null)
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wv_option3.setVisibility(View.GONE);
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// 联动监听器
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OnWheelChangedListener wheelListener_option1 = new OnWheelChangedListener() {
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@Override
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public void onChanged(WheelView wheel, int oldValue, int newValue) {
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if (mOptions2Items != null) {
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wv_option2.setAdapter(new ArrayWheelAdapter(mOptions2Items
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.get(wv_option1.getCurrentItem())));
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wv_option2.setCurrentItem(0);
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}
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if (mOptions3Items != null) {
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wv_option3.setAdapter(new ArrayWheelAdapter(mOptions3Items
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.get(wv_option1.getCurrentItem()).get(
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wv_option2.getCurrentItem())));
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wv_option3.setCurrentItem(0);
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}
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}
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};
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OnWheelChangedListener wheelListener_option2 = new OnWheelChangedListener() {
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@Override
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public void onChanged(WheelView wheel, int oldValue, int newValue) {
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if (mOptions3Items != null) {
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wv_option3.setAdapter(new ArrayWheelAdapter(mOptions3Items
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.get(wv_option1.getCurrentItem()).get(
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wv_option2.getCurrentItem())));
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wv_option3.setCurrentItem(0);
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}
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}
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};
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// 添加联动监听
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if (options2Items != null && linkage)
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wv_option1.addChangingListener(wheelListener_option1);
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if (options3Items != null && linkage)
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wv_option2.addChangingListener(wheelListener_option2);
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}
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/**
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* 设置选项的单位
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*
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* @param label1
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* @param label2
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* @param label3
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*/
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public void setLabels(String label1, String label2, String label3) {
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if (label1 != null)
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wv_option1.setLabel(label1);
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if (label2 != null)
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wv_option2.setLabel(label2);
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if (label3 != null)
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wv_option3.setLabel(label3);
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}
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/**
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* 设置是否循环滚动
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*
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* @param cyclic
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*/
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public void setCyclic(boolean cyclic) {
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wv_option1.setCyclic(cyclic);
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wv_option2.setCyclic(cyclic);
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wv_option3.setCyclic(cyclic);
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}
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/**
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* 返回当前选中的结果对应的位置数组 因为支持三级联动效果，分三个级别索引，0，1，2
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*
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* @return
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*/
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public int[] getCurrentItems() {
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int[] currentItems = new int[3];
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currentItems[0] = wv_option1.getCurrentItem();
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currentItems[1] = wv_option2.getCurrentItem();
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currentItems[2] = wv_option3.getCurrentItem();
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return currentItems;
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}
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public void setCurrentItems(int option1, int option2, int option3) {
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wv_option1.setCurrentItem(option1);
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wv_option2.setCurrentItem(option2);
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wv_option3.setCurrentItem(option3);
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}
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}
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