bc518174
 王天杨
提交两个项目文件
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export class NativeDragSource {
initializeExposedProperties() {
Object.keys(this.config.exposeProperties).forEach((property)=>{
Object.defineProperty(this.item, property, {
configurable: true,
enumerable: true,
get () {
// eslint-disable-next-line no-console
console.warn(`Browser doesn't allow reading "${property}" until the drop event.`);
return null;
}
});
});
}
loadDataTransfer(dataTransfer) {
if (dataTransfer) {
const newProperties = {};
Object.keys(this.config.exposeProperties).forEach((property)=>{
const propertyFn = this.config.exposeProperties[property];
if (propertyFn != null) {
newProperties[property] = {
value: propertyFn(dataTransfer, this.config.matchesTypes),
configurable: true,
enumerable: true
};
}
});
Object.defineProperties(this.item, newProperties);
}
}
canDrag() {
return true;
}
beginDrag() {
return this.item;
}
isDragging(monitor, handle) {
return handle === monitor.getSourceId();
}
endDrag() {
// empty
}
constructor(config){
this.config = config;
this.item = {};
this.initializeExposedProperties();
}
}
//# sourceMappingURL=NativeDragSource.js.map
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