Class: DomUtil

DomUtil

  • new DomUtil() [source]

    • DOM utilities used internally. Learned a lot from Leaflet.DomUtil

    Members

  • (static, constant) exports.TRANSFORM :String

    • Vendor-prefixed fransform style name (e.g. `'webkitTransform'` for WebKit).
    Type:
    • String
    Properties:
    Name Type Description
    TRANSFORM String
    Source:

  • (static, constant) exports.TRANSFORMORIGIN :String

    • Vendor-prefixed tfransform-origin name (e.g. `'webkitTransformOrigin'` for WebKit).
    Type:
    • String
    Properties:
    Name Type Description
    TRANSFORMORIGIN String
    Source:

  • (static, constant) exports.TRANSITION :String

    • Vendor-prefixed transition name (e.g. `'WebkitTransition'` for WebKit).
    Type:
    • String
    Properties:
    Name Type Description
    TRANSITION String
    Source:

  • (static, constant) exports.CSSFILTER :String

    • Vendor-prefixed filter name (e.g. `'WebkitFilter'` for WebKit).
    Type:
    • String
    Properties:
    Name Type Description
    FILTER String
    Source:

    Static Methods

  • (static) exports.createEl(tagName) [source]

    • Create a html element.
    Parameter Type Description
    tagName String
    Returns:
    HTMLElement:

  • (static) exports.createElOn(tagName, style, container) [source]

    • Create a html element on the specified container
    Parameter Type Description
    tagName String
    style String css styles
    container HTMLElement
    Returns:
    HTMLElement:

  • (static) exports.removeDomNode(node) [source]

    • Removes a html element.
    Parameter Type Description
    node HTMLElement

  • (static) exports.addDomEvent(obj, typeArr, handler, context) [source]

    • Adds a event listener to the dom element.
    Parameter Type Description
    obj HTMLElement dom element to listen on
    typeArr String event types, seperated by space
    handler function listener function
    context Object function context

  • (static) exports.removeDomEvent(obj, typeArr, handler) [source]

    • Removes event listener from a dom element
    Parameter Type Description
    obj HTMLElement dom element
    typeArr String event types, separated by space
    handler function listening function

  • (static) exports.listensDomEvent(obj, typeArr, handler) [source]

    • Check if event type of the dom is listened by the handler
    Parameter Type Description
    obj HTMLElement dom element to check
    typeArr String event
    handler function the listening function
    Returns:
    Number: - the handler's index in the listener chain, returns -1 if not.

  • (static) exports.preventDefault(event) [source]

    • Prevent default behavior of the browser.
    preventDefault Cancels the event if it is cancelable, without stopping further propagation of the event.
    Parameter Type Description
    event Event browser event

  • (static) exports.stopPropagation(e) [source]

    • Stop browser event propagation
    Parameter Type Description
    e Event browser event.

  • (static) exports.offsetDom(dom, offsetopt) [source]

    • Get the dom element's current position or offset its position by offset
    Parameter Type Default Description
    dom HTMLElement HTMLElement
    offset opt Point null position to set.
    Returns:
    Point: - dom element's current position if offset is null.

  • (static) exports.getPagePosition(obj) [source]

    • 获取dom对象在页面上的屏幕坐标
    Parameter Type Description
    obj HTMLElement Dom对象
    Returns:
    Object: 屏幕坐标

  • (static) exports.getEventContainerPoint(ev) [source]

    • 获取鼠标在容器上相对容器左上角的坐标值
    Parameter Type Description
    ev Event 触发的事件
    Returns:
    Point: left:鼠标在页面上的横向位置, top:鼠标在页面上的纵向位置

  • (static) exports.setStyle(dom, strCss) [source]

    • 为dom设置样式
    Parameter Type Description
    dom HTMLElement dom节点
    strCss String 样式字符串

  • (static) exports.removeStyle(dom) [source]

    • 清空dom样式
    Parameter Type Description
    dom HTMLElement dom节点

  • (static) exports.addStyle(dom, attr, value) [source]

    • 为dom添加样式
    Parameter Type Description
    dom HTMLElement dom节点
    attr String 样式标签
    value String 样式值

  • (static) exports.hasClass(el, name) [source]

    • 判断元素是否包含class
    Parameter Type Description
    el HTMLElement html元素
    name String class名称

  • (static) exports.addClass(el, name) [source]

    • 为dom添加class
    Parameter Type Description
    el HTMLElement html元素
    name String class名称

  • (static) exports.removeClass(el, name) [source]

    • 移除dom class
    Parameter Type Description
    el HTMLElement html元素
    name String class名称

  • (static) exports.setClass(el, name) [source]

    • 设置dom class
    Parameter Type Description
    el HTMLElement html元素
    name String class名称

  • (static) exports.getClass(name) [source]

    • 获取dom class
    Parameter Type Description
    name String class名称

  • (static) exports.copyCanvas(src) [source]

    • Copy the source canvas
    Parameter Type Description
    src Element | Canvas source canvas
    Returns:
    Element|Canvas: target canvas

  • (static) exports.setTransform(el, offset) [source]

    • Resets the 3D CSS transform of `el` so it is translated by `offset` pixels
    Parameter Type Description
    el HTMLElement
    offset Point