item.value">请选择<text class='area-cascader_box-nav-item--result' v-else-if="this.data.<em>selectIndex</em>...:0,selectArea:[]}},methods: {setSelectItem(e){if(this.data.<em>selectIndex</em><3){this.data.result[this.data.<em>selectIndex</em>...].value=e.currentTarget.dataset.value;this.data.result[this.data.<em>selectIndex</em>].text=e.currentTarget.dataset.text...;//追加下一级this.data.<em>selectIndex</em>+=1;if(this.data.<em>selectIndex</em><3){this.data.result[this.data.<em>selectIndex</em>]=...=e.currentTarget.dataset.index;if(this.data.<em>selectIndex</em>==0){this.data.selectArea = this.props.options
= PatrolExportEnum.getWaterInCondition(vo.getWaterInCondition()); if(selectIndex...} selectIndex = null; } selectIndex =...} selectIndex = null; } selectIndex...= PatrolExportEnum.getLiveCondition(vo.getIsSame()); if(selectIndex !...= PatrolExportEnum.getWaterCondition(vo.getWaterSupport()); if(selectIndex !
private int marginTop; /** * 两个节点之间的距离 */ private int dividWidth; /** * 选中位置 */ private int selectIndex...= null){ nodeList = nodeDatas; } //测量文字所占用的空间 measureText(); } /** * 设置选中位置 * @param selectIndex...*/ public void setSelectIndex(int selectIndex){ this.selectIndex = selectIndex; invalidate(); }...() - 1); forePaint.setStrokeWidth(radius/2); for (int i = 0; i < nodeList.size(); i++) { if(i == selectIndex...只需要修改onDraw中绘制节点圆和文字的方法就可以了 for (int i=0; i < nodeList.size();i++) { if (i==selectIndex){ canvas.drawCircle
extends PureComponent { state = { compiler: 'PageSetting', pagename: '页面标题', selectIndex...setState({ previewData: [...previewData], selectIndex...0, previewData[dragIndex]], ], }), selectIndex...: dragIndex === selectIndex ?...={selectIndex} {...item} onClick={() => setState({ selectIndex
移动指针到指定位置： (1).移至首条 //将被选中项的索引设置为0就OK了 ListBox.SelectIndex=0; (2).移至尾条... //将被选中项的索引设置为ListBox.Items.Count-1就OK了 ListBox.SelectIndex=ListBox.Items.Count-1...; (3).上一条 //用当前被选中的索引去减 1 ListBox.SelectIndex=ListBox.SelectIndex - 1; ...(4).下一条 //用当前被选中的索引去加 1 ListBox.SelectIndex=ListBox.SelectIndex + 1;
_selectIndex 选中的色块索引，用于删除色块。 [3]. FlexAttr 数据，决定 Flex 组件的展示效果。...TextBaseline.alphabetic, children: items.asMap().keys.map((int index) { bool active = selectIndex...: selectIndex, iconSize: 16, height: 25, width: 110,...= _data.length) { $message.warning(message: '请先选择删除的色块!')...; return; } _data.removeAt(_selectIndex); _selectIndex = -1; setState(() {}); } 当属性数据变化，通过
SYPageControlIndexDelegate> delegate; /** 当前选中标题索引，默认0 */ @property (nonatomic, assign) NSInteger selectIndex...menuBtnWidth, self.btnViewHeight); [_btnView addSubview:btn]; if (i==self.selectIndex...titleSelectFont; _seletedBtn.titleLabel.font = titleSelectFont; } -(void)setSelectIndex:(NSInteger)selectIndex...{ _selectIndex = selectIndex; self.pageScroll.contentOffset = CGPointMake(self.width*selectIndex...]; } UIButton *btn = (UIButton *)[self.btnView viewWithTag:selectIndex+10]; if (_seletedBtn
CD: //CD rom drives // imageIndex = 7; // selectIndex...Network: //Network drives // imageIndex = 8; // selectIndex...//defalut to folder // imageIndex = 2; // selectIndex...//创建新的驱动器节点 nodeTreeNode = new TreeNode(mo.PathSuffix, imageIndex, selectIndex...{ TreeNode nodeDir; var imageIndex = 2; //未选择的图像索引 var selectIndex
= selectTest.selectedIndex; 这样就可以通过索引来获取选中项的 选中值和文本值: var selectValue = selectTest.options[selectIndex...].value; var selectText = selectTest.options[selectIndex].text; ---- 完整示例测试demo： <!...= selectTest.selectedIndex; var selectValue = selectTest.options[selectIndex].value; var selectText...= selectTest.options[selectIndex].text; var selectArr = [{ "selectTest": JSON.stringify...(selectTest), "selectIndex": selectIndex, "selectValue": selectValue,
List clients, StreamData streamData) { int size = clients.size(); int selectIndex...实现了RemoteClientSelector接口，它通过Math.abs(streamData.remoteHashCode()) % size来选择selectIndex RollingSelector...> clients, StreamData streamData) { int size = clients.size(); index++; int selectIndex...if (index == Integer.MAX_VALUE) { index = 0; } return clients.get(selectIndex...); } } RollingSelector实现了RemoteClientSelector接口，它通过每次递增index然后根据Math.abs(index) % size选择selectIndex
FileChooserDialog extends DialogFragment{ private final static String TAG = "FileChooserDialog"; private int selectIndex...holder.setItemOnClickListener(v -> { if (data.name.equals("../")) { selectIndex...= -1; refreshData(mFileProvider.gotoParent()); } else { selectIndex...View.VISIBLE : View.GONE); checkBox.setTag(position); checkBox.setChecked(selectIndex...== position); if (selectIndex == position) { weakCheckBox = new WeakReference
currentIndex, 3, Icons.person, "我的"), ], ), ), )); } // ignore: slash_for_doc_comments /** * @param selectIndex...* @param index 每个条目对应的角标 * @param iconData 每个条目对就的图标 * @param title 每个条目对应的标题 */ buildBotomItem(int selectIndex...iconColor = Colors.grey; double iconSize=20; EdgeInsetsGeometry padding = EdgeInsets.only(top: 8.0); if(selectIndex
create("selected.png"); selected->setScale(0.75); selected->setVisible(false); addChild(selected); selectIndex...>getInitPos(); pane[(int)pos.x][(int)pos.y] = index; ++index; } selected->setVisible(false); selectIndex...1) chesses[step.killnum]->setVisible(true); steps.pop_back(); selected->setVisible(false); selectIndex...20 + 18) / 36; CCLOG("x=%d,y=%d", x, y); if (x9 || y10) return false; moveChess(selectIndex...点中棋子是我方 { selected->setVisible(true); selected->setPosition(35 + 36 * pos.x, 20 + 36 * pos.y); selectIndex
} } } updayeSelectIndex(downX, downY);//更新selectIndex...mArrayBoxes.size()) { mArrayBoxes.get(indexOfData).color = ColUtils.randomRGB(); selectIndex...) { mArrayBoxes.get(i).index -= 1; } mArrayBoxes.remove(index); selectIndex...)更新选中单体信息：updateBall /** * 更新小球 */ private void updateBall() { if (mArrayBoxes.size() <= 0 && selectIndex...< 0) { return; } ArrayBox ball = mArrayBoxes.get(selectIndex); ball.x += ball.vX
单选demo如下： int _selectIndex = 0; Wrap( spacing: 15, children: List.generate(10, (index) { return...ChoiceChip( label: Text('老孟 $index'), selected: _selectIndex == index, onSelected:...(v) { setState(() { _selectIndex = index; }); }, ); }).toList(
如果需要滚动到某一页，可以直接修改contentOffset self.mContainerScrollView.contentOffset = CGPointMake(self.mSegControl.selectIndex...* self.view.width, self.mContainerScrollView.contentOffset.y); 最后是监听滚动结束，修改selectIndex - (void)scrollViewDidEndDecelerating...= self.mSegControl.selectIndex) { [self.mSegControl setSelectIndex:index]; }
yOri - yOri * (1 - 0.1f) * value.get(xValue.get(i)) / yValue.get(yValue.size() - 1); //绘制选中的点 if (i == selectIndex...xyPaint); //绘制X轴文本 String text = xValue.get(i); Rect rect = getTextBounds(text, xyTextPaint); if (i == selectIndex...= i + 1) {//每个节点周围8dp都是可点击区域 selectIndex = i + 1; invalidate(); return; } //X轴刻度 String text = xValue.get...& eventX <= x + rect.width() + dp8 / 2 && eventY = y - dp8 && eventY <= y + rect.height() + dp8 && selectIndex...= i + 1) { selectIndex = i + 1; invalidate(); return; } } } 处理滑动的原理，就是通过改变第一个点的X坐标，通过改变这个基本点，依次改变后面的X
这里通过 ValueListenableBuilder 来监听 _selectIndex 实现局部更新构建，如下 tag2 处，只要更新 _selectIndex 的值，就可以通知 ValueListenableBuilder...State { final PageController _controller = PageController(); final ValueNotifier _selectIndex...body: Row( children: [ ValueListenableBuilder( valueListenable: _selectIndex...... } void _onDestinationSelected(int value) { _controller.jumpToPage(value); // tag1 _selectIndex.value...= value; //tag2 } @override void dispose(){ _controller.dispose(); _selectIndex.dispose
，我们需要定义一个flag记录当前选中的， constructor(props) { super(props); // 初始状态 this.state = { selectIndex...icon={{uri: 'tabbar_home_select' , scale: 3}} onPress={()=>{ this.setState({ selectIndex...:0 }) }} selected={0==this.state.selectIndex} > 我们会发现，创建3个TabBarIOS.Item的代码是一样的，避免写重复代码...iconName, scale: 3}} onPress={()=>{ this.setState({ selectIndex...}) }} badge={badgeNumber} selected={this.state.selectIndex
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