现学现玩一下…就来尝试下元素拖拽吧 如果使用非rxjs而是普通的js实现思路也不难。...const drag = document.getElementById("drag"); let isDrag = false; let initialX = null, initialY...= null; drag.addEventListener("mousedown", function(e) { isDrag = true; const { left, top } =...通过普通的 js 写拖拽我们知道我们开始肯定是需要获取鼠标点击区域到元素左上角的偏移距离,用于后面拖拽后设置元素的正确位置。这里用到了map操作符。...和 js 的数组 map 有点像,输入一系列的值然后处理返回一系列新的值,这个过程都是 immutable 的哦。
编写对象是否被拖动的函数; 第三:判断对象是否相对原先位置产生了位移; 第四:编写鼠标松开之后的代码; 完整代码如下: var timmerHandle = null; //先设置一个定时器处理; var isDrag...= false; //延迟100ms timmerHandle = setTimeout(setDragTrue,200); } function setDragTrue (){ isDrag...isDrag){ //先把doMouseDownTimmer清除,不然200毫秒后setGragTrue方法还是会被调用的 clearTimeout(timmerHandle); ...activity_id=" + activity_id; //活动路径 window.open(url); }else{ isDrag = false; console.log...自己整理了一份2018最全面前端学习资料,从最基础的HTML+CSS+JS到移动端HTML5到各种框架都有整理,送给每一位前端小伙伴,这里是小白聚集地,欢迎初学和进阶中的小伙伴!
这一部分的实现代码位置: 「plugins/treeDrag/js/jquery.treeDrag.js」 需要生成的dom规则如下: 中国...--树形拖拽插件--> <!...,渲染don结构为树形拖拽控件 /** * 渲染页面 * @param dataTree 需要渲染的树形JSON * @param DomNode 接收渲染结果的dom结点 * @param isDrag...*/ const renderPage = function(dataTree={},DomNode="#chart",isDrag=true){ // Dom字符串转Dom对象 const...dataTree)); // 渲染页面 return org.treeDrag({ chartElement: DomNode, dragAndDrop: isDrag
script type="text/javascript" charset="utf-8" src="http://apps.bdimg.com/libs/jquery/1.7.2/jquery.min.js...";> $(function() { var isdrag = false; var NowTop = 0,...("top",($("body").height()-120)) function thismousedown(e) { // debugger isdrag...function thismousemove(e) { var h=$(".wrap").height() if(isdrag...return false; } } } function thismouseup(e) { isdrag
private int mDragOutWidth;//完全侧滑出来的距离 private double mfraction = 0.75;//触发自动侧滑的临界点 private boolean isDrag...* 根据传递进来的事件,在此进行侧滑逻辑的判断,从而实现侧滑时删除按钮滑出的效果功能 */ public void onDragTouchEvent(MotionEvent event) { if (isDrag...= 0) {//手指正在横向滑动 isDrag = true; int newScrollX = scrollX - deltaX;//当这个值变小时,view视图向左滑动 if (newScrollX...* mfraction) { finalScrollX = mDragOutWidth; autoScrollToX(finalScrollX, 500); } else { rollBack(); isDrag...) { this.isDrag = isDrag; } /** * 自动回滚到封闭状态 */ public void rollBack() { if (getScrollX() !
定义滑动按钮的左边就是这个移动的距离 判断slideBtnLeft位于合理的位置,0到背景图的宽度-滑动按钮的宽度 调用invalidate()方法,刷新视图 onClick事件和onTouchEvent是有冲突 定义一个标志isDrag...//绘制滑动按钮 canvas.drawBitmap(bitmapBtn, slideBtnLeft, 0, paint); } private boolean isDrag...isDrag){ currentState = !...//解决与点击事件冲突 if(Math.abs(event.getX()-firstX)>5){ isDrag...); break; //手指抬起 case MotionEvent.ACTION_UP: if(isDrag
: float deltaX = event.getRawX() - mDownX; if (Math.abs(deltaX) > 50) { isDrag...isDrag && event.getRawX() <= mWidth - mBackWidth) { close();...return true; } isDrag = false; break; } 复制代码 当滑动距离大于 50 时,我就把它当做是一个滑动操作,这时候把滑动交给...isDrag && event.getRawX() <= mWidth - mBackWidth) { //展开状态下,点击左侧部分将其关闭...close(); return true; } isDrag = false;
mContext; private onLocationListener mLocationListener;/*listen to the Rect */ //是否拖动 private boolean isDrag...= false; public boolean isDrag() { return isDrag; } public DragView(Context context, AttributeSet attrs...super.onTouchEvent(event); if (this.isEnabled()) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: isDrag...l, r, t, b; //当水平或者垂直滑动距离大于10,才算是拖动事件 if (Math.abs(mXdistance) 10 || Math.abs(mYdistance) 10) { isDrag
private int screenWidth; private int screenHeight; private Context context; //是否拖动 private boolean isDrag...=false; public boolean isDrag() { return isDrag; } public DragView(Context context, AttributeSet attrs...super.onTouchEvent(event); if (this.isEnabled()) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: isDrag...当水平或者垂直滑动距离大于10,才算拖动事件 if (Math.abs(xDistance) 10 ||Math.abs(yDistance) 10) { Log.e("kid","Drag"); isDrag...iv_drag.isDrag()){ Toast.makeText(MainActivity.this, "响应点击", Toast.LENGTH_SHORT).show(); } } }); } }
dragLayerMask; //指定当前要拖动的对象 public Transform currentTransform; //是否可以拖动当前对象 public bool isDrag...表示当前对象可以被拖动 if (Physics.Raycast (ray, out hitinfo, 1000f, _dragLayerMask)) { isDrag...(Input.mousePosition.x, Input.mousePosition.y, screenPos.z)); } else { isDrag...= false; } } if (Input.GetMouseButton (0)) { if (isDrag == true...currentTransform.position = currentPos; } } if (Input.GetMouseButtonUp (0)) { isDrag
screenWidth; private int screenHeight; private Context context; //是否拖动 private boolean isDrag...=false; public boolean isDrag() { return isDrag; } public DragView(Context context...switch (event.getAction()) { case MotionEvent.ACTION_DOWN: isDrag...10 ||Math.abs(yDistance)>10) { Log.e("kid","Drag"); isDrag...iv_drag.isDrag()){ Toast.makeText(MainActivity.this, "响应点击", Toast.LENGTH_SHORT).
this.context = canvas.getContext('2d') // 初始化画布 this.eraserSize = eraserSize // 设置擦除大小 this.isDrag...this.canvas.addEventListener('touchstart', e => { let position = this.getCurPosition(e) this.isDrag...this.canvas.addEventListener('touchmove', e => { let position if (this.isDrag...position) } }) this.canvas.addEventListener('touchend', e => { this.isDrag
** * view的宽度|高度 */ int mWidth, mHeight; /** * 是否在拖拽过程中 */ boolean isDrag...int dy = y - mLastY; if (Math.abs(dx) > mTouchSlop) { isDrag...) { startAnim(); isDrag = false; }...mScreenHeight; //view高宽 int mWidth, mHeight; /** * 是否在拖拽过程中 */ boolean isDrag...; if (Math.abs(dx) > mTouchSlop || Math.abs(dy) > mTouchSlop) { isDrag
; /** * view的宽度|高度 */ int mWidth, mHeight; /** * 是否在拖拽过程中 */ boolean isDrag...int dy = y - mLastY; if (Math.abs(dx) > mTouchSlop) { isDrag...) { startAnim(); isDrag = false; }...mLastY; if (Math.abs(dx) > mTouchSlop || Math.abs(dy) > mTouchSlop) { isDrag...) { //执行贴边 startAnim(); isDrag = false;
else { return NSDragOperation.generic } if type.contains(NSStringPboardType) { isDrag...{ isDrag = false self.isHighlighted = true } override func prepareForDragOperation(_ sender:...NSDraggingInfo) -> Bool { isDrag = false; self.isHighlighted = true return true; } override
dragImageView, windowParams); } static abstract class Adapter extends BaseAdapter { protected boolean isDrag...; protected int holdPosition = -1; public void setIsDrag(boolean isDrag) { this.isDrag = isDrag; } public...false); // } ((TextView) convertView.findViewById(R.id.tv)).setText(getItem(position)); if (isDrag
-------------------------- // ...按住说话 var _voiceObj = $(".J__wdtVoice"), eY1 = 0, eY2 = 0, eY3 = 0, isDrag...isDrag) return; isDrag = false; eY1 = e.originalEvent.targetTouches[0].pageY; _voiceObj.text("松开...console.log("cancel"); } } // 关闭弹窗 setTimeout(function(){ wcPop.close(voiceIdx); }, 500); isDrag
dragResponseMS = 700; // item长按响应的时间 private int mDragPosition;// 正在拖拽的position private boolean isDrag...canDrag) { return; } isDrag = true; // 设置可以拖拽 moved...OnDeleteListener l) { this.deleteListener = l; } public void setDragEnable(boolean isDrag...) { this.canDrag = isDrag; if (canDrag) { mHandler.removeCallbacks(mLongClickRunnable...; case MotionEvent.ACTION_UP: onStopDrag(); isDrag
public float smoothing = 4; public float sensitivity = 0; ScrollRect rect; bool isDrag...isDrag && !...widthNotShow); } } public void OnBeginDrag(PointerEventData eventData) { isDrag...GetIndex(index); targetHorizontal = posList[index]; startTime = 0; isDrag
onDragCancel、onDragEnd 中取消拖动标识,实现如下: bool isDrag = false; @override void onDragStart(int pointerId...target.radius || eventPosition.y > canvasSize.y - target.radius) { return; } if(isDrag...} } @override void onDragCancel(int pointerId) { super.onDragCancel(pointerId); isDrag...= false; } 在 onDragStart 中判断拖动的点是否在游戏主角圆内,使用的是 Path 的 contains 方法判断,如果是则将 isDrag 设置为 true,并在 onDragCancel...、onDragEnd 中将 isDrag 设置为 false。
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