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feature:sticky hover

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sudodoki 2013-10-21 08:34:50 +03:00
parent a738317adb
commit af0473fef1
1 changed files with 36 additions and 12 deletions
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48
lib/morris.bar.coffee
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@ -129,25 +129,25 @@ class Morris.Bar extends Morris.Grid
# hit test - returns the index of the row at the given x-coordinate # hit test - returns the index of the row at the given x-coordinate
# #
hitTest: (x) -> hitTest: (x, y) ->
return null if @data.length == 0 return null if @data?.length is 0 or x <= @left or x > @left + @width
x = Math.max(Math.min(x, @right), @left) x = Math.max(Math.min(x, @right - @options.padding), @left + @options.padding)
Math.min(@data.length - 1, Math.min(@data.length - 1, Math.floor((x - @left) / (@width / @data.length)))
Math.floor((x - @left) / (@width / @data.length)))
# click on grid event handler # click on grid event handler
# #
# @private # @private
onGridClick: (x, y) => onGridClick: (x, y) =>
index = @hitTest(x) if (index = @hitTest(x, y))?
@fire 'click', index, @options.data[index], x, y @fire 'click', index, @options.data[index], x, y
# hover movement event handler # hover movement event handler
# #
# @private # @private
onHoverMove: (x, y) => onHoverMove: (x, y) =>
index = @hitTest(x) if (index = @hitTest(x, y))?
@hover.update(@hoverContentForRow(index)...) console.log('index=',index)
@hover.update(@hoverContentForRow(index, x, y)...)
# hover out event handler # hover out event handler
# #
@ -159,7 +159,8 @@ class Morris.Bar extends Morris.Grid
# hover content for a point # hover content for a point
# #
# @private # @private
hoverContentForRow: (index) -> hoverContentForRow: (index, eventX, eventY) ->
res = []
row = @data[index] row = @data[index]
content = "<div class='morris-hover-row-label'>#{row.label}</div>" content = "<div class='morris-hover-row-label'>#{row.label}</div>"
for y, j in row.y for y, j in row.y
@ -171,8 +172,31 @@ class Morris.Bar extends Morris.Grid
""" """
if typeof @options.hoverCallback is 'function' if typeof @options.hoverCallback is 'function'
content = @options.hoverCallback(index, @options, content) content = @options.hoverCallback(index, @options, content)
x = @left + (index + 0.5) * @width / @data.length res.push content
[content, x] switch @options.stickyHover
when 'pointer'
res.push [eventX + 30, eventY + 60]...
when 'bar'
# TODO: remove addressing @data directyl
padding = @width / @data.length * (1 - @options.barSizeRatio) / 2
left = @left + index * @width / @data.length
right = left + @width / @data.length
top = @data[index]._y[0]
bottom = @bottom
res.push [@normalize(eventX, left + padding, right - padding),@normalize(eventY, top, bottom)]...
when 'corner'
res.push [@right, 0]...
else
x = @left + (index + 0.5) * @width / @data.length
res.push x
res
normalize: (value, min, max) ->
res = if min < value < max
value
else
if value > max then max else min
res
drawXAxisLabel: (xPos, yPos, text) -> drawXAxisLabel: (xPos, yPos, text) ->
label = @raphael.text(xPos, yPos, text) label = @raphael.text(xPos, yPos, text)