70 lines
1.7 KiB
Java
70 lines
1.7 KiB
Java
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Component({
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externalClasses: ['i-class'],
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properties : {
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count : {
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type : Number,
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value : 5
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},
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value : {
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type : Number,
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value : 0
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},
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disabled : {
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type : Boolean,
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value : false
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},
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size : {
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type : Number,
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value : 20
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},
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name : {
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type : String,
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value : ''
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}
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},
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data : {
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touchesStart : {
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pageX : 0
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}
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},
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methods : {
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handleClick(e){
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const data = this.data;
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if( data.disabled ){
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return;
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}
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const index = e.currentTarget.dataset.index;
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this.triggerEvent('change',{
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index : index + 1
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})
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},
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handleTouchMove(e){
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const data = this.data;
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if( data.disabled ){
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return;
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}
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if( !e.changedTouches[0] ){
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return;
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}
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const movePageX = e.changedTouches[0].pageX;
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const space = movePageX - data.touchesStart.pageX;
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if( space <= 0 ){
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return;
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}
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let setIndex = Math.ceil( space/data.size );
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setIndex = setIndex > data.count ? data.count : setIndex ;
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this.triggerEvent('change',{
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index : setIndex
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})
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}
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},
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ready(){
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const className = '.i-rate';
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var query = wx.createSelectorQuery().in(this)
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query.select( className ).boundingClientRect((res)=>{
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this.data.touchesStart.pageX = res.left || 0;
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}).exec()
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}
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});
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