83 lines
2.5 KiB
JavaScript
83 lines
2.5 KiB
JavaScript
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class WdeScrollBar{
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// max = 0
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// isDragged = false
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/**
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* @param {HTMLElement} handler
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*/
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constructor(handler){
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console.log( handler.clientHeight)
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let max = handler.parentElement.clientHeight - handler.clientHeight
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let yOffset = null
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let yPosInit = 0
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handler.addEventListener('mousedown', (event) => {
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// yOffset = event.offsetY
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yPosInit = event.clientY - Number(handler.style.top.replace('px','' ))
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// console.log()
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document.addEventListener('mousemove', drag);
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document.addEventListener('mouseup', stop)
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//TODO Document dissallow select
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})
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function drag() {
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console.log(event.clientY - yPosInit, Number(handler.style.top.replace('px','' )))
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let pos = event.clientY - yPosInit
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let clampPos = Math.min(Math.max(pos, 0), max)
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handler.style.top = clampPos + "px";
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// let yPos = Number(handler.style.top.replace('px', 0))
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// console.log(event)
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// console.log(yOffset)
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// console.log(event.movementY)
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// let pos = event.clientY - handler.clientHeight
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// console.log(pos)
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// let pos2 = yPos + event.movementY
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// console.log(event.clientY - yPosInit)
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// console.log(event.offsetY)
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// yPos += event.yOffset
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// handler.style.top = event.clientY - yPosInit + 'px'
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// console.log(handler.Y)
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// let pos = yPosInit - event.clientY
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// let newPos = Math.min(Math.max(pos, 0), max)
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// console.log(handler.style.top , event.offsetY)
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// handler.style.top = event.clientY+ "px";
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}
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function stop() {
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console.log("stop")
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document.removeEventListener('mousemove', drag);
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document.removeEventListener('mouseup', stop)
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}
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}
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// /**
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// * @param {HTMLElement} element
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// */
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// BindHandler(element) {
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// element.addEventListener('mousedown', (event) => {
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// this.isDragged =
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// element.addEventListener('mouseup', this.stop);
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// });
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// element.removeEventListener
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// }
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// drag(){
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// }
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// stop(doc){
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// console.log("stop")
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// doc.removeEventListener('mouseup', (event) => {
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// this.stop(document)
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// });
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// }
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// MoveHandler(param) {
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// console.log("Move")
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// }
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}
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