dwker/lightweight-charts-python
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implement toggleable buttons; menu items can now be changed; add horizontal line and vertical line labels

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louisnw
2024-05-31 17:25:55 +01:00
parent ca93ddbcb1
commit 7915863a64
13 changed files with 233 additions and 59 deletions
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28
lightweight_charts/drawings.py
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@ -24,6 +24,13 @@ class Drawing(Pane):
"""
self.run_script(f'{self.id}.detach()')
def options(self, color='#1E80F0', style='solid', width=4):
self.run_script(f'''{self.id}.applyOptions({{
lineColor: '{color}',
lineStyle: {as_enum(style, LINE_STYLE)},
width: {width},
}})''')
class TwoPointDrawing(Drawing):
def __init__(
self,
@ -76,6 +83,8 @@ class HorizontalLine(Drawing):
{{
lineColor: '{color}',
lineStyle: {as_enum(style, LINE_STYLE)},
width: {width},
text: `{text}`,
}},
callbackName={f"'{self.id}'" if func else 'null'}
)
@ -103,22 +112,25 @@ class HorizontalLine(Drawing):
# self.run_script(f'{self.id}.updatePrice({price})')
self.price = price
def label(self, text: str): # TODO
self.run_script(f'{self.id}.updateLabel("{text}")')
def options(self, color='#1E80F0', style='solid', width=4, text=''):
super().options(color, style, width)
self.run_script(f'{self.id}.applyOptions({{text: `{text}`}})')
class VerticalLine(Drawing):
def __init__(self, chart, time, color, width, style, text, axis_label_visible, func):
def __init__(self, chart, time, color, width, style, text, func=None):
super().__init__(chart, func)
self.time = time
self.run_script(f'''
{self.id} = new Lib.VerticalLine(
{{time: {time}}},
{{time: {self.chart._single_datetime_format(time)}}},
{{
lineColor: '{color}',
lineStyle: {as_enum(style, LINE_STYLE)},
width: {width},
text: `{text}`,
}},
callbackName={f"'{self.id}'" if func else 'null'}
)
@ -130,8 +142,9 @@ class VerticalLine(Drawing):
# self.run_script(f'{self.id}.updatePrice({price})')
self.price = price
def label(self, text: str): # TODO
self.run_script(f'{self.id}.updateLabel("{text}")')
def options(self, color='#1E80F0', style='solid', width=4, text=''):
super().options(color, style, width)
self.run_script(f'{self.id}.applyOptions({{text: `{text}`}})')
class Box(TwoPointDrawing):
@ -188,13 +201,14 @@ class TrendLine(TwoPointDrawing):
end_value,
round,
{
"lineColor": f'"line_color"',
"lineColor": f'"{line_color}"',
"width": width,
"lineStyle": as_enum(style, LINE_STYLE)
},
func
)
# TODO reimplement/fix
class VerticalSpan(Pane):
def __init__(self, series: 'SeriesCommon', start_time: Union[TIME, tuple, list], end_time: Optional[TIME] = None,
color: str = 'rgba(252, 219, 3, 0.2)'):