- legend 'text' parameter for displaying static text

- table 'resize' method

lightweight_charts/abstract.py

@@ -174,9 +174,8 @@ class SeriesCommon(Pane):
     def _push_to_legend(self):
         self.run_script(f'''
         {self._chart.id}.lines.push({self.id})
-        if ('legend' in {self._chart.id}) {{
-            {self._chart.id}.legend.lines.push({self._chart.id}.legend.makeLineRow({self.id}))
-        }}''')
+        {self._chart.id}.legend.lines.push({self._chart.id}.legend.makeLineRow({self.id}))
+        ''')
 
     @staticmethod
     def _format_labels(data, labels, index, exclude_lowercase):
@@ -469,11 +468,9 @@ class Line(SeriesCommon):
         self._chart._lines.remove(self) if self in self._chart._lines else None
         self.run_script(f'''
             {self._chart.id}.chart.removeSeries({self.id}.series)
-            if ('legend' in {self._chart.id}) {{
-                {self._chart.id}.legend.lines.forEach(line => {{
-                    if (line.line === {self.id}) {self._chart.id}.legend.div.removeChild(line.row)
-                }})
-            }}
+            {self._chart.id}.legend.lines.forEach(line => {{
+                if (line.line === {self.id}) {self._chart.id}.legend.div.removeChild(line.row)
+            }})
             delete {self.id}
         ''')
 
@@ -877,15 +874,25 @@ class AbstractChart(Candlestick, Pane):
           }})''')
 
     def legend(self, visible: bool = False, ohlc: bool = True, percent: bool = True, lines: bool = True,
-               color: str = 'rgb(191, 195, 203)', font_size: int = 11, font_family: str = 'Monaco'):
+               color: str = 'rgb(191, 195, 203)', font_size: int = 11, font_family: str = 'Monaco',
+               text: str = ''):
         """
         Configures the legend of the chart.
         """
+        l_id = f'{self.id}.legend'
         if not visible:
+            self.run_script(f'{l_id}.div.style.display = "none"')
             return
         self.run_script(f'''
-        {self.id}.legend = new Legend(  {self.id}, {jbool(ohlc)}, {jbool(percent)}, {jbool(lines)},
-                                        '{color}', {font_size}, '{font_family}')
+        {l_id}.div.style.display = 'flex'
+        {l_id}.ohlcEnabled = {jbool(ohlc)}
+        {l_id}.percentEnabled = {jbool(percent)}
+        {l_id}.linesEnabled = {jbool(lines)}
+        {l_id}.div.style.color = '{color}'
+        {l_id}.color = '{color}'
+        {l_id}.div.style.fontSize = '{font_size}px'
+        {l_id}.div.style.fontFamily = '{font_family}'
+        {l_id}.text.innerText = '{text}'
         ''')
 
     def spinner(self, visible):

lightweight_charts/js/funcs.js

@@ -54,6 +54,7 @@ if (!window.Chart) {
                 },
                 handleScroll: {vertTouchDrag: true},
             })
+            this.legend = new Legend(this)
             this.wrapper.style.display = 'flex'
             this.wrapper.style.flexDirection = 'column'
             this.wrapper.style.position = 'relative'
@@ -180,8 +181,11 @@ if (!window.Chart) {
     window.HorizontalLine = HorizontalLine
 
     class Legend {
-        constructor(chart, ohlcEnabled, percentEnabled, linesEnabled,
-                    color = 'rgb(191, 195, 203)', fontSize = '11', fontFamily = 'Monaco') {
+        constructor(chart) {
+            this.ohlcEnabled = false
+            this.percentEnabled = false
+            this.linesEnabled = false
+
             this.div = document.createElement('div')
             this.div.style.position = 'absolute'
             this.div.style.zIndex = '3000'
@@ -191,17 +195,15 @@ if (!window.Chart) {
             this.div.style.display = 'flex'
             this.div.style.flexDirection = 'column'
             this.div.style.maxWidth = `${(chart.scale.width * 100) - 8}vw`
-            this.div.style.color = color
-            this.div.style.fontSize = fontSize + 'px'
-            this.div.style.fontFamily = fontFamily
+
+            this.text = document.createElement('span')
+            this.text.style.lineHeight = '1.8'
             this.candle = document.createElement('div')
 
+            this.div.appendChild(this.text)
             this.div.appendChild(this.candle)
             chart.div.appendChild(this.div)
 
-            this.color = color
-
-            this.linesEnabled = linesEnabled
             this.makeLines(chart)
 
             let legendItemFormat = (num, decimal) => num.toFixed(decimal).toString().padStart(8, ' ')
@@ -228,11 +230,11 @@ if (!window.Chart) {
                                 | C ${legendItemFormat(data.close, chart.precision)} `
                         let percentMove = ((data.close - data.open) / data.open) * 100
                         let percent = `| ${percentMove >= 0 ? '+' : ''}${percentMove.toFixed(2)} %`
-                        finalString += ohlcEnabled ? ohlc : ''
-                        finalString += percentEnabled ? percent : ''
+                        finalString += this.ohlcEnabled ? ohlc : ''
+                        finalString += this.percentEnabled ? percent : ''
 
                         let volumeData = param.seriesData.get(chart.volumeSeries)
-                        if (volumeData) finalString += ohlcEnabled ? `<br>V ${shorthandFormat(volumeData.value)}` : ''
+                        if (volumeData) finalString += this.ohlcEnabled ? `<br>V ${shorthandFormat(volumeData.value)}` : ''
                     }
                     this.candle.innerHTML = finalString + '</span>'
                     this.lines.forEach((line) => {

lightweight_charts/js/table.js

@@ -15,8 +15,7 @@ if (!window.Table) {
                 this.container.style.float = position
             }
             this.container.style.zIndex = '2000'
-            this.container.style.width = width <= 1 ? width * 100 + '%' : width + 'px'
-            this.container.style.height = height <= 1 ? height * 100 + '%' : height + 'px'
+            this.reSize(width, height)
             this.container.style.display = 'flex'
             this.container.style.flexDirection = 'column'
             this.container.style.justifyContent = 'space-between'
@@ -157,6 +156,11 @@ if (!window.Table) {
                 this[type].push(textBox)
             }
         }
+
+        reSize(width, height) {
+            this.container.style.width = width <= 1 ? width * 100 + '%' : width + 'px'
+            this.container.style.height = height <= 1 ? height * 100 + '%' : height + 'px'
+        }
     }
     window.Table = Table
 }

lightweight_charts/table.py

@@ -12,7 +12,7 @@ class Section(Pane):
 
     def __call__(self, number_of_text_boxes: int, func: callable = None):
         if func:
-            self.win.handlers[self.id] = lambda boxId: func(self._table.id, int(boxId))
+            self.win.handlers[self.id] = lambda boxId: func(self._table, int(boxId))
         self.run_script(f'''
         {self._table.id}.makeSection("{self.id}", "{self.type}", {number_of_text_boxes}, {"true" if func else ""})
         ''')
@@ -104,6 +104,8 @@ class Table(Pane, dict):
 
     def format(self, column: str, format_str: str): self._formatters[column] = format_str
 
+    def resize(self, width: NUM, height: NUM): self.run_script(f'{self.id}.reSize({width}, {height})')
+
     def visible(self, visible: bool):
         self.is_shown = visible
         self.run_script(f"""