mirror of
https://github.com/morrisjs/morris.js.git
synced 2024-09-21 10:41:32 +02:00
113 lines
3.2 KiB
CoffeeScript
113 lines
3.2 KiB
CoffeeScript
Morris.Hover =
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hoverConfigure: (options) ->
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@hoverOptions = $.extend {}, @hoverDefaults, options ? {}
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hoverInit: ->
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if @hoverOptions.enableHover
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@hover = @hoverBuild()
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@hoverBindEvents()
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@hoverShow(if @hoverOptions.hideHover then null else @data.length - 1)
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hoverDefaults:
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enableHover: true
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popupClass: "morris-popup"
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hideHover: false
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allowOverflow: false
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pointMargin: 10
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hoverFill: (index, row) -> @hoverFill(index, row)
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hoverBindEvents: ->
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@el.mousemove (evt) =>
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@hoverUpdate evt.pageX
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if @hoverOptions.hideHover
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@el.mouseout (evt) =>
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@hoverShow null
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touchHandler = (evt) =>
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touch = evt.originalEvent.touches[0] or evt.originalEvent.changedTouches[0]
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@hoverUpdate touch.pageX
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return touch
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@el.bind 'touchstart', touchHandler
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@el.bind 'touchmove', touchHandler
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@el.bind 'touchend', touchHandler
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@hover.mousemove (evt) -> evt.stopPropagation()
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@hover.mouseout (evt) -> evt.stopPropagation()
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@hover.bind 'touchstart', (evt) -> evt.stopPropagation()
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@hover.bind 'touchmove', (evt) -> evt.stopPropagation()
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@hover.bind 'touchend', (evt) -> evt.stopPropagation()
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hoverCalculateMargins: ->
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@hoverMargins = for i in [1...@data.length]
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@left + i * @width / @data.length
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hoverBuild: ->
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hover = $ "<div/>"
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hover.addClass "#{@hoverOptions.popupClass} js-morris-popup"
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hover.appendTo @el
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hover.hide()
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hover
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hoverUpdate: (x) ->
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x -= @el.offset().left
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for hoverIndex in [0...@hoverMargins.length]
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break if @hoverMargins[hoverIndex] > x
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@hoverShow hoverIndex
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hoverShow: (index) ->
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if index isnt null
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@hover.html("")
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@hoverOptions.hoverFill.call(@, index, @data[index])
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@hoverPosition(index)
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@fire "hover.show", index
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@hover.show()
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if not index?
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@hoverHide()
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hoverHide: ->
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@hover.hide()
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colorFor: (row, i, type) -> "inherit"
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yLabelFormat: (label) -> Morris.commas(label)
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hoverPosition: (index) ->
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[x, y] = @hoverGetPosition index
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@hover.css
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top: "#{@el.offset().top + y}px"
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left: "#{@el.offset().left + x}px"
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hoverGetPosition: (index) ->
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row = @data[index]
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@hoverWidth = @hover.outerWidth(true)
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@hoverHeight = @hover.outerHeight(true)
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miny = y = Math.min.apply(null, (y for y in row._y when y isnt null).concat(@bottom))
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x = row._x - @hoverWidth/2
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y = miny
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y = y - @hoverHeight - @hoverOptions.pointMargin
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unless @hoverOptions.allowOverflow
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if x < @left
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x = row._x + @hoverOptions.pointMargin
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else if x > @right - @hoverWidth
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x = row._x - @hoverWidth - @hoverOptions.pointMargin
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y = Math.max y, @top
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y = Math.min y, (@bottom - @hoverHeight - @hoverOptions.pointMargin)
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if y - miny < @hoverWidth + @hoverOptions.pointMargin
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y = miny + @hoverOptions.pointMargin
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[x, y]
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hoverFill: (index, row) ->
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xLabel = $ "<h4/>"
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xLabel.text row.label
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xLabel.appendTo @hover
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for y, i in row.y
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yLabel = $ "<p/>"
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yLabel.css "color", @colorFor(row, i, "hover")
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yLabel.text "#{@options.labels[i]}: #{@yLabelFormat(y)}"
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yLabel.appendTo @hover |