many small improvements

build.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-rm -rf ./dist/
+#rm -rf ./dist/
 python setup.py bdist_wheel
 
 wheel_files=( dist/*whl )

examples/01_hello_world/main.py

@@ -20,6 +20,8 @@ toast_container.position_end = 0
 
 
 def onclick(_):
+    # NOTE: you can also use app.toast(...) and app.alert_success(...) to show toasts
+    # and alerts at the default bottom right position
     alert = bHTML.AlertSuccess("You clicked me!", parent=app.main)
     alert.w = 25
     toast = bHTML.Toast("You clicked me!", parent=toast_container)
@@ -27,4 +29,3 @@ def onclick(_):
     toast.show()
 
 btn.onclick = onclick
-    

examples/01_hello_world/serviceWorker.js

@@ -1,5 +1,5 @@
 
-const pwa_version = "01_hello_world_202306031006"
+const pwa_version = "01_hello_world_202306041650"
 const assets = ["./index.html",
     "./main.py",
     "./resources/bootstrap.css",
@@ -48,4 +48,15 @@ self.addEventListener('fetch', event => {
         return response;
     })());
 });
+self.addEventListener('activate', (event) => {
+    event.waitUntil(
+        caches.keys().then((keyList) => {
+            return Promise.all(keyList.map((key) => {
+                if(key !== pwa_version) {
+                    return caches.delete(key);
+                }
+            }));
+        })
+    );
+});
     

examples/02_image_filter/serviceWorker.js

@@ -1,5 +1,5 @@
 
-const pwa_version = "02_image_filter_202306031006"
+const pwa_version = "02_image_filter_202306041650"
 const assets = ["./index.html",
     "./main.py",
     "./resources/bootstrap.css",
@@ -48,4 +48,15 @@ self.addEventListener('fetch', event => {
         return response;
     })());
 });
+self.addEventListener('activate', (event) => {
+    event.waitUntil(
+        caches.keys().then((keyList) => {
+            return Promise.all(keyList.map((key) => {
+                if(key !== pwa_version) {
+                    return caches.delete(key);
+                }
+            }));
+        })
+    );
+});
     

examples/03_numpy_grid_demo/serviceWorker.js

@@ -1,5 +1,5 @@
 
-const pwa_version = "03_numpy_grid_demo_202306031006"
+const pwa_version = "03_numpy_grid_demo_202306041650"
 const assets = ["./index.html",
     "./main.py",
     "./resources/bootstrap.css",
@@ -48,4 +48,15 @@ self.addEventListener('fetch', event => {
         return response;
     })());
 });
+self.addEventListener('activate', (event) => {
+    event.waitUntil(
+        caches.keys().then((keyList) => {
+            return Promise.all(keyList.map((key) => {
+                if(key !== pwa_version) {
+                    return caches.delete(key);
+                }
+            }));
+        })
+    );
+});
     

examples/04_cell_detector/main.py

@@ -9,13 +9,13 @@ import numpy as np
 from PIL import Image
 import cv2
 
-loaded_img = None
+loaded_img:np.ndarray = None
 
-app = bootstrap_templates.PyScriptBootstrapDashboard(parent_element="pyscript_app", brand_name="Pyscript Cell Detector")
+app = bootstrap_templates.PyScriptBootstrapDashboard(parent_element="pyscript_app", brand_name="Pyscript Cell Colony Detector")
 
 main_div = bHTML.BootstrapContainer(parent=app.main)
 main_div.w = 100
-result_div = bHTML.BootstrapContainer(parent=main_div)
+result_div = bHTML.BootstrapContainer (parent=main_div)
 
 
 def process_image(image,
@@ -24,13 +24,20 @@ def process_image(image,
                   hough_param2 = 500,
                   minRadius = 100,
                   maxRadius=500,
-                  inner_hough_circles=True):
+                  inner_hough_param1 = 25,
+                  inner_hough_param2 = 50,
+                  inner_hough_circles=True,
+                  cell_colony_color_channel:int = None):
     
     for child in result_div.children:
         child.destroy()
-    #image = cv2.imread(str(test_img_path), cv2.IMREAD_COLOR)
+
     # Convert the image to grayscale
+    if cell_colony_color_channel is None:
         gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
+    else:
+        gray = image.astype(float)[...,cell_colony_color_channel]
+        gray = (255 * gray / gray.max()).astype(np.uint8)
 
     # Use median blur to reduce noise
     gray = cv2.medianBlur(gray, 5)
@@ -46,7 +53,7 @@ def process_image(image,
                                maxRadius=maxRadius)
 
     if circles is None:
-        bHTML.AlertDanger("No cell areas detected in image", parent=app.main)
+        app.alert_danger("No cell areas detected in image")
         return False
     
     # Convert to integers
@@ -84,7 +91,14 @@ def process_image(image,
 
         for well, well_gray in zip(first_wells, first_wells_gray):
             
-            circles = cv2.HoughCircles(well_gray, cv2.HOUGH_GRADIENT, 1, minDist=hough_min_dist, param1=50, param2=50, minRadius=(well.shape[0] // 2) - 50, maxRadius=(well.shape[0] // 2) - 10)
+            circles = cv2.HoughCircles(well_gray,
+                                       cv2.HOUGH_GRADIENT,
+                                       1,
+                                       minDist=hough_min_dist,
+                                       param1=inner_hough_param1,
+                                       param2=inner_hough_param2,
+                                       minRadius=int((min(well.shape[0],well.shape[1]) // 2)*0.79),
+                                       maxRadius=int((min(well.shape[0],well.shape[1]) // 2)*0.95))
             if circles is not None:
                 circles = np.uint16(np.around(circles))
                 i = circles[0,:][0]
@@ -109,9 +123,11 @@ def process_image(image,
         second_wells = first_wells
         second_wells_gray = first_wells_gray
     
+    tabs = {}
 
-    for well, well_gray in zip(second_wells, second_wells_gray):
+    for well in second_wells:
         
+        well_gray = cv2.cvtColor(well, cv2.COLOR_BGR2GRAY)
         _, binary = cv2.threshold(255 - well_gray, 0, 255, cv2.THRESH_BINARY + cv2.THRESH_OTSU)
     
 
@@ -120,29 +136,37 @@ def process_image(image,
         cleaned = cv2.morphologyEx(binary, cv2.MORPH_OPEN, kernel)
         
 
-        radius = well.shape[0] // 2 -1
+        radius = min(well.shape[0], well.shape[1]) // 2 -1
         # Now clear all pixels outside the circular well.
         # We do this by creating a mask for the well and applying it to the image.
         well_mask = np.zeros_like(cleaned, dtype=np.uint8)
-        cv2.circle(well_mask, (radius, radius), radius, 1, thickness=-1)
+        cv2.circle(well_mask, (well.shape[1] // 2, well.shape[0] // 2), radius, 1, thickness=-1)
         cleaned = cleaned * well_mask
 
         circle = well_mask > 0
 
         # now create an image overlay to display
         ratio = np.sum((cleaned > 0).astype(int)) / np.sum(circle.astype(int))
-        div_result = bHTML.BootstrapContainer(f"ratio: {ratio * 100}%", parent=result_div)
+        div_result = bHTML.BootstrapContainer(f"ratio: {ratio * 100}%")
         div_result.shadow = bHTML.Shadow.LARGE
         div_result.rounded = True
-        div_result.w = 50
+        div_result.w = 75
+        div_result.h = 75
+        div_result.rounded_size = 50
+        div_result.p = 3
 
+        well = well.copy()
         well[cleaned > 0,0] = 255
         final_img = bHTML.Image.from_numpy_array(well, parent=div_result)
         final_img.rounded = True
-        final_img.rounded_size = 10
+        final_img.rounded_size = 50
         final_img.shadow = bHTML.Shadow.LARGE
         final_img.w = 100
 
+        tabs[f"Well #{len(tabs) + 1}"] = div_result
+    
+    tabs = bHTML.Tabs(tabs, parent=result_div)
+    tabs.w = 100
 
 
 div = bHTML.BootstrapContainer("Controls", parent=app.sidebar)
@@ -150,55 +174,117 @@ div.font_size = 4
 
 image_input = bInputs.InputFile(label_text="choose image file", parent=app.sidebar)
 
-i_hough_min_dist = bInputs.InputInt("hough min distance [px]", parent=app.sidebar)
-i_hough_min_dist.value = 500
-
-i_hough_param1 = bInputs.InputInt("hough param1", parent=app.sidebar)
-i_hough_param1.value = 80
-
-i_hough_param2 = bInputs.InputInt("hough param2", parent=app.sidebar)
-i_hough_param2.value = 500
-
-i_hough_min_radius = bInputs.InputInt("hough min radius [px]", parent=app.sidebar)
-i_hough_min_radius.value = 100
-
-i_hough_max_radius = bInputs.InputInt("hough max radius [px]", parent=app.sidebar)
-i_hough_max_radius.value = 500
-
-
-
 btn = bHTML.ButtonPrimary("Process", parent=app.sidebar)
 btn.w = 100
+btn.mt = 3
+btn.mb = 3
+btn.ml = 4
+btn.mr = 4
+
+i_hough_min_dist = bInputs.InputInt("hough min distance [px]",
+                                    parent=app.sidebar,
+                                    help_text="minimal distance between wells in pixels")
+i_hough_min_dist.value = 500
+
+i_hough_param1 = bInputs.InputInt("hough param1",
+                                  parent=app.sidebar,
+                                  help_text="parameter for canny edge detector")
+i_hough_param1.value = 80
+
+i_hough_param2 = bInputs.InputInt("hough param2",
+                                  parent=app.sidebar,
+                                  help_text="increase this value to prevent false circle detection")
+i_hough_param2.value = 500
+
+i_hough_min_radius = bInputs.InputInt("hough min radius [px]",
+                                       parent=app.sidebar,
+                                       help_text="min radius for circle detection")
+i_hough_min_radius.value = 100
+
+i_hough_max_radius = bInputs.InputInt("hough max radius [px]",
+                                       parent=app.sidebar,
+                                       help_text="max radius for circle detection")
+i_hough_max_radius.value = 500
+
+i_inner_hough = bInputs.InputCheckboxSingle("nested hough transform?",
+                                             parent=app.sidebar,
+                                             help_text="if set, circle detection will be applied twice on detected wells")
+i_inner_hough.value = True
+i_inner_hough.m = 3
+
+i_inner_hough_param1 = bInputs.InputInt("inner hough param1", parent=app.sidebar)
+i_inner_hough_param1.value = 25
+
+i_inner_hough_param2 = bInputs.InputInt("inner hough param2", parent=app.sidebar)
+i_inner_hough_param2.value = 50
+
+i_use_color_channel = bInputs.InputSelect(["all",
+                                            "red",
+                                            "green",
+                                            "blue"],
+                                            label_text="cell colony color channel",
+                                            parent=app.sidebar,
+                                            help_text="if cells are more present in a specific channel, select it here")
+i_use_color_channel.value = "blue"
+
+
 
 
 
 def on_image_change(f, *args):
+
+    try:
         global loaded_img
         f.seek(0)
         img = np.array(Image.open(f))
         for child in result_div.children:
             child.destroy()
 
+        bHTML.BootstrapContainer("input image:", parent=result_div)
         output = bHTML.Image.from_numpy_array(img, parent=result_div)
         output.rounded = True
         output.rounded_size = 10
         output.shadow = bHTML.Shadow.LARGE
-    output.w=50
+        output.width = "100%"
+        output.height = "100%"
         
         loaded_img = img
 
+        app.toast("successfully loaded image", "info")
+        #toast = bHTML.Toast("successfully loaded image", title="info", parent=toast_container)
+        #toast.animation = True
+        #toast.show()
+    except Exception as e:
+        for child in result_div.children:
+            child.destroy()
+        bHTML.AlertDanger(f"error while loading image: {str(e)}", parent=alert_container)
+
+
 image_input.onchange = on_image_change    
 
 def on_click(*args, **kwargs):
     if loaded_img is None:
-        bHTML.AlertDanger("No image loaded", parent=app.main)
+        app.alert_danger("No image loaded")
         return
+    for child in result_div.children:
+        child.destroy()
 
+    try:
         h_min_dist = int(i_hough_min_dist.value)
         h_param1 = int(i_hough_param1.value)
         h_param2 = int(i_hough_param2.value)
+        h_inner_param1 = int(i_inner_hough_param1.value)
+        h_inner_param2 = int(i_inner_hough_param2.value)
         h_min_radius = int(i_hough_min_radius.value)
         h_max_radius = int(i_hough_max_radius.value)
+        inner_hough = bool(i_inner_hough.value)
+        color_channel = {
+            "all": None,
+            "red": 0,
+            "green": 1,
+            "blue": 2
+        }[i_use_color_channel.value]
+
 
 
         process_image(loaded_img,
@@ -207,7 +293,16 @@ def on_click(*args, **kwargs):
                     hough_param2=h_param2,
                     minRadius=h_min_radius,
                     maxRadius=h_max_radius,
-                  inner_hough_circles=True)
+                    inner_hough_param1=h_inner_param1,
+                    inner_hough_param2=h_inner_param2,
+                    inner_hough_circles=inner_hough,
+                    cell_colony_color_channel=color_channel)
+        app.toast("successfully processed image", title="info")
+
+    except Exception as e:
+        for child in result_div.children:
+            child.destroy()
+        app.alert_danger(f"error while processing image: {str(e)}")
 
 btn.onclick = on_click
 

examples/04_cell_detector/serviceWorker.js

@@ -1,5 +1,5 @@
 
-const pwa_version = "04_cell_detector_202306031006"
+const pwa_version = "04_cell_detector_202306041650"
 const assets = ["./index.html",
     "./main.py",
     "./resources/bootstrap.css",
@@ -48,4 +48,15 @@ self.addEventListener('fetch', event => {
         return response;
     })());
 });
+self.addEventListener('activate', (event) => {
+    event.waitUntil(
+        caches.keys().then((keyList) => {
+            return Promise.all(keyList.map((key) => {
+                if(key !== pwa_version) {
+                    return caches.delete(key);
+                }
+            }));
+        })
+    );
+});
     

pyscript_bootstrap_templates/HTML.py

@@ -68,6 +68,7 @@ class Element(object):
         self._display = self.element.style.display
         self.element.style.display = "none"
 
+
     def show(self) -> None:
         if self._display is None:
             return
@@ -210,6 +211,27 @@ class Element(object):
     def write(self, object):
         self.element.write(self.id, object) # type: ignore
     
+    def set_style(self, property_name: str, value: str) -> None:
+        """Set a CSS style property on this element."""
+        setattr(self._element.style, property_name, value)
+
+    def get_style(self, property_name: str) -> str:
+        """Get the value of a CSS style property on this element."""
+        try:
+            return getattr(self._element.style, property_name)
+        except AttributeError:
+            return None
+
+    def remove_style(self, property_name: str) -> None:
+        """Remove a CSS style property from this element."""
+        setattr(self._element.style, property_name, None)
+    
+    def set_styles(self, **styles) -> None:
+        """Set multiple CSS style properties on this element."""
+        for property_name, value in styles.items():
+            self.set_style(property_name, value)
+
+
 
 class A(Element):
 

pyscript_bootstrap_templates/bootstrap_HTML.py

@@ -796,16 +796,22 @@ class Col(BootstrapContainer):
                  class_name: str = None,
                  parent: HTML.Element = None,
                  col: int = None,
+                 col_xs: int = None,
                  col_sm: int = None,
                  col_md: int = None,
                  col_lg: int = None,
                  col_xl: int = None,
                  col_xxl: int = None) -> None:
 
+
+        super().__init__(inner_html, id, class_name, parent)
+
+
         if col is not None:
             self.col = col
 
-        super().__init__(inner_html, id, class_name, parent)
+        if col_xs is not None:
+            self.col_xs = col_xs
 
         if col_sm is not None:
             self.col_sm = col_sm
@@ -1110,6 +1116,9 @@ class NavbarBrand(HTML.A, BootstrapContainer):
                          parent=parent)
 
         self.set_attribute("href", href)
+        self.ms = 3
+        self.me = 3
+
 
 
 class Navbar(BootstrapContainer):

pyscript_bootstrap_templates/bootstrap_HTML_container.py

@@ -315,6 +315,15 @@ class BootstrapContainer(HTML.Div):
         self._set_enum_property(
             value=value, prefix="text-", enum_class=TextAlign, enum_values=_TEXT_ALIGNS)
     
+    @property
+    def text_align_xs(self) -> Union[TextAlign, None]:
+        return self._get_enum_property(prefix="text-", enum_class=TextAlign, enum_values=_TEXT_ALIGNS, breakpoint="xs")
+
+    @text_align_xs.setter
+    def text_align_xs(self, value: Union[TextAlign, None]):
+        self._set_enum_property(value=value, prefix="text-",
+                                enum_class=TextAlign, enum_values=_TEXT_ALIGNS, breakpoint="xs")
+
     @property
     def text_align_sm(self) -> Union[TextAlign, None]:
         return self._get_enum_property(prefix="text-", enum_class=TextAlign, enum_values=_TEXT_ALIGNS, breakpoint="sm")
@@ -559,6 +568,15 @@ class BootstrapContainer(HTML.Div):
         self._set_enum_property(
             value=value, prefix="d-", enum_class=DisplayProperty, enum_values=_DISPLAY_PROPERTIES)
     
+    @property
+    def display_property_xs(self) -> Union[DisplayProperty, None]:
+        return self._get_enum_property(prefix="d-", enum_class=DisplayProperty, enum_values=_DISPLAY_PROPERTIES, breakpoint="xs")
+
+    @display_property_xs.setter
+    def display_property_xs(self, value: Union[DisplayProperty, None]):
+        self._set_enum_property(value=value, prefix="d-", enum_class=DisplayProperty,
+                                enum_values=_DISPLAY_PROPERTIES, breakpoint="xs")
+
     @property
     def display_property_sm(self) -> Union[DisplayProperty, None]:
         return self._get_enum_property(prefix="d-", enum_class=DisplayProperty, enum_values=_DISPLAY_PROPERTIES, breakpoint="sm")
@@ -1113,6 +1131,17 @@ class BootstrapContainer(HTML.Div):
     def p(self, value: Union[int, str, None]):
         self._set_css_param_number("p-", value)
     
+    @property
+    def p_xs(self) -> Union[int, str, None]:
+        """
+        element's padding for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("p-", "xs")
+
+    @p_xs.setter
+    def p_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("p-", value, "xs")
+
     @property
     def p_sm(self) -> Union[int, str, None]:
         """
@@ -1179,6 +1208,17 @@ class BootstrapContainer(HTML.Div):
     def px(self, value: Union[int, str, None]):
         self._set_css_param_number("px-", value)
     
+    @property
+    def px_xs(self) -> Union[int, str, None]:
+        """
+        element's horizontal padding for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("px-", "xs")
+
+    @px_xs.setter
+    def px_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("px-", value, "xs")
+
     @property
     def px_sm(self) -> Union[int, str, None]:
         """
@@ -1245,6 +1285,17 @@ class BootstrapContainer(HTML.Div):
     def py(self, value: Union[int, str, None]):
         self._set_css_param_number("py-", value)
 
+    @property
+    def py_xs(self) -> Union[int, str, None]:
+        """
+        element's vertical padding for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("py-", "xs")
+
+    @py_xs.setter
+    def py_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("py-", value, "xs")
+
     @property
     def py_sm(self) -> Union[int, str, None]:
         """
@@ -1311,6 +1362,17 @@ class BootstrapContainer(HTML.Div):
     def pt(self, value: Union[int, str, None]):
         self._set_css_param_number("pt-", value)
 
+    @property
+    def pt_xs(self) -> Union[int, str, None]:
+        """
+        element's top padding for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("pt-", "xs")
+
+    @pt_xs.setter
+    def pt_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("pt-", value, "xs")
+
     @property
     def pt_sm(self) -> Union[int, str, None]:
         """
@@ -1377,6 +1439,17 @@ class BootstrapContainer(HTML.Div):
     def pb(self, value: Union[int, str, None]):
         self._set_css_param_number("pb-", value)
     
+    @property
+    def pb_xs(self) -> Union[int, str, None]:
+        """
+        element's bottom padding for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("pb-", "xs")
+
+    @pb_xs.setter
+    def pb_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("pb-", value, "xs")
+
     @property
     def pb_sm(self) -> Union[int, str, None]:
         """
@@ -1443,6 +1516,17 @@ class BootstrapContainer(HTML.Div):
     def ps(self, value: Union[int, str, None]):
         self._set_css_param_number("ps-", value)
     
+    @property
+    def ps_xs(self) -> Union[int, str, None]:
+        """
+        element's start padding (left for LTR languages) for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("ps-", "xs")
+
+    @ps_xs.setter
+    def ps_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("ps-", value, "xs")
+
     @property
     def ps_sm(self) -> Union[int, str, None]:
         """
@@ -1509,6 +1593,17 @@ class BootstrapContainer(HTML.Div):
     def pe(self, value: Union[int, str, None]):
         self._set_css_param_number("pe-", value)
     
+    @property
+    def pe_xs(self) -> Union[int, str, None]:
+        """
+        element's end padding (right for LTR languages) for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("pe-", "xs")
+
+    @pe_xs.setter
+    def pe_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("pe-", value, "xs")
+
     @property
     def pe_sm(self) -> Union[int, str, None]:
         """
@@ -1577,6 +1672,17 @@ class BootstrapContainer(HTML.Div):
     def m(self, value: Union[int, str, None]):
         self._set_css_param_number("m-", value)
     
+    @property
+    def m_xs(self) -> Union[int, str, None]:
+        """
+        element's margin for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("m-", "xs")
+
+    @m_xs.setter
+    def m_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("m-", value, "xs")
+
     @property
     def m_sm(self) -> Union[int, str, None]:
         """
@@ -1643,6 +1749,17 @@ class BootstrapContainer(HTML.Div):
     def mx(self, value: Union[int, str, None]):
         self._set_css_param_number("mx-", value)
     
+    @property
+    def mx_xs(self) -> Union[int, str, None]:
+        """
+        element's margin-left and margin-right for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("mx-", "xs")
+
+    @mx_xs.setter
+    def mx_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("mx-", value, "xs")
+
     @property
     def mx_sm(self) -> Union[int, str, None]:
         """
@@ -1709,6 +1826,17 @@ class BootstrapContainer(HTML.Div):
     def my(self, value: Union[int, str, None]):
         self._set_css_param_number("my-", value)
     
+    @property
+    def my_xs(self) -> Union[int, str, None]:
+        """
+        element's margin-top and margin-bottom for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("my-", "xs")
+
+    @my_xs.setter
+    def my_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("my-", value, "xs")
+
     @property
     def my_sm(self) -> Union[int, str, None]:
         """
@@ -1775,6 +1903,17 @@ class BootstrapContainer(HTML.Div):
     def mt(self, value: Union[int, str, None]):
         self._set_css_param_number("mt-", value)
     
+    @property
+    def mt_xs(self) -> Union[int, str, None]:
+        """
+        element's margin-top for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("mt-", "xs")
+
+    @mt_xs.setter
+    def mt_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("mt-", value, "xs")
+
     @property
     def mt_sm(self) -> Union[int, str, None]:
         """
@@ -1841,6 +1980,17 @@ class BootstrapContainer(HTML.Div):
     def mb(self, value: Union[int, str, None]):
         self._set_css_param_number("mb-", value)
     
+    @property
+    def mb_xs(self) -> Union[int, str, None]:
+        """
+        element's margin-bottom for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("mb-", "xs")
+
+    @mb_xs.setter
+    def mb_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("mb-", value, "xs")
+
     @property
     def mb_sm(self) -> Union[int, str, None]:
         """
@@ -1907,6 +2057,17 @@ class BootstrapContainer(HTML.Div):
     def ms(self, value: Union[int, str, None]):
         self._set_css_param_number("ms-", value)
 
+    @property
+    def ms_xs(self) -> Union[int, str, None]:
+        """
+        element's start margin (left for LTR languages) for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("ms-", "xs")
+
+    @ms_xs.setter
+    def ms_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("ms-", value, "xs")
+
     @property
     def ms_sm(self) -> Union[int, str, None]:
         """
@@ -1973,6 +2134,17 @@ class BootstrapContainer(HTML.Div):
     def me(self, value: Union[int, str, None]):
         self._set_css_param_number("me-", value)
     
+    @property
+    def me_xs(self) -> Union[int, str, None]:
+        """
+        element's end margin (right for LTR languages) for small screens. By default, bootstrap defines the values 0,1,2,3,4,5,auto
+        """
+        return self._get_css_param_number("me-", "xs")
+
+    @me_xs.setter
+    def me_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("me-", value, "xs")
+
     @property
     def me_sm(self) -> Union[int, str, None]:
         """
@@ -2041,6 +2213,17 @@ class BootstrapContainer(HTML.Div):
     def g(self, value: Union[int, str, None]):
         self._set_css_param_number("g-", value)
 
+    @property
+    def g_xs(self) -> Union[int, str, None]:
+        """
+        gutter (gutters are the space between the element and its content) for small screens. By default, bootstrap defines the values 0,1,2,3,4,5
+        """
+        return self._get_css_param_number("g-", "xs")
+
+    @g_xs.setter
+    def g_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("g-", value, "xs")
+
     @property
     def g_sm(self) -> Union[int, str, None]:
         """
@@ -2107,6 +2290,17 @@ class BootstrapContainer(HTML.Div):
     def gx(self, value: Union[int, str, None]):
         self._set_css_param_number("gx-", value)
 
+    @property
+    def gx_xs(self) -> Union[int, str, None]:
+        """
+        horizontal gutter (gutters are the space between the element and its content) for small screens. By default, bootstrap defines the values 0,1,2,3,4,5
+        """
+        return self._get_css_param_number("gx-", "xs")
+
+    @gx_xs.setter
+    def gx_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("gx-", value, "xs")
+
     @property
     def gx_sm(self) -> Union[int, str, None]:
         """
@@ -2173,6 +2367,17 @@ class BootstrapContainer(HTML.Div):
     def gy(self, value: Union[int, str, None]):
         self._set_css_param_number("gy-", value)
 
+    @property
+    def gy_xs(self) -> Union[int, str, None]:
+        """
+        vertical gutter (gutters are the space between the element and its content) for small screens. By default, bootstrap defines the values 0,1,2,3,4,5
+        """
+        return self._get_css_param_number("gy-", "xs")
+
+    @gy_xs.setter
+    def gy_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("gy-", value, "xs")
+
     @property
     def gy_sm(self) -> Union[int, str, None]:
         """
@@ -2241,6 +2446,17 @@ class BootstrapContainer(HTML.Div):
     def col(self, value: Union[int, str, None]):
         self._set_css_param_number("col-", value)
 
+    @property
+    def col_xs(self) -> Union[int, str, None]:
+        """
+        column class for very small screens. By default, bootstrap defines the values 1,2,3,4,5,6,7,8,9,10,11,12
+        """
+        return self._get_css_param_number("col-", "xs")
+    
+    @col_xs.setter
+    def col_xs(self, value: Union[int, str, None]):
+        self._set_css_param_number("col-", value, "xs")
+    
     @property
     def col_sm(self) -> Union[int, str, None]:
         """

pyscript_bootstrap_templates/bootstrap_templates.py

@@ -10,20 +10,112 @@ class PyScriptBootstrapApp(object):
         self._main_div.vh_100 = True
 
         self._main_div.p = 0
+        self._main_div.m = 0
+
+        self._main_div.col_xs = 12
+        self._main_div.col = 12
+
+
 
         self._parent_element = document.getElementById(parent_element)
         self._parent_element.appendChild(self._main_div.element)
 
+        self._toast_container = bHTML.ToastContainer(parent=self._main_div)
+        self._toast_container.position_end = 0
+        self._toast_container.position_bottom = 0
+
+        self._alert_container = bHTML.BootstrapContainer(parent=self._main_div)
+        self._alert_container.position_end = 0
+        self._alert_container.position_bottom = 0
+        self._alert_container.position = bHTML.Position.ABSOLUTE
+    
+    def _alert(self, message: str, alert_class: type):
+        return alert_class(message, parent=self._alert_container)
+        bHTML.Al
+
     @property
     def main(self) -> HTML.Div:
         return self._main_div
     
+    @property
+    def toast_container(self) -> bHTML.ToastContainer:
+        return self._toast_container
+    
+    @property
+    def alert_container(self) -> bHTML.BootstrapContainer:
+        return self._alert_container
+    
+    def toast(self, message: str, title: str, animation: bool = True, show: bool = True) -> bHTML.Toast:
+        """
+        show a toast on the default toast location (bottom right)
+        """
+        toast = bHTML.Toast(inner_html=message, title=title, parent=self._toast_container)
+        toast.animation = animation
+        if show:
+            toast.show()
+        return toast
+    
+    def alert(self, message:str) -> bHTML.Alert:
+        """
+        show an alert on the default alert location (bottom right)
+        """
+        return self._alert(message, bHTML.Alert)
+    
+    def alert_success(self, message:str) -> bHTML.AlertSuccess:
+        """
+        show an alert on the default alert location (bottom right)
+        """
+        return self._alert(message, bHTML.AlertSuccess)
+    
+    def alert_info(self, message:str) -> bHTML.AlertInfo:
+        """
+        show an alert on the default alert location (bottom right)
+        """
+        return self._alert(message, bHTML.AlertInfo)
+
+    def alert_warning(self, message:str) -> bHTML.AlertWarning:
+        """
+        show an alert on the default alert location (bottom right)
+        """
+        return self._alert(message, bHTML.AlertWarning)
+    
+    def alert_danger(self, message:str) -> bHTML.AlertDanger:
+        """
+        show an alert on the default alert location (bottom right)
+        """
+        return self._alert(message, bHTML.AlertDanger)
+
+    def alert_primary(self, message:str) -> bHTML.AlertPrimary:
+        """
+        show an alert on the default alert location (bottom right)
+        """
+        return self._alert(message, bHTML.AlertPrimary)
+
+    def alert_secondary(self, message:str) -> bHTML.AlertSecondary:
+        """
+        show an alert on the default alert location (bottom right)
+        """
+        return self._alert(message, bHTML.AlertSecondary)
+
+    def alert_light(self, message:str) -> bHTML.AlertLight:
+        """
+        show an alert on the default alert location (bottom right)
+        """
+        return self._alert(message, bHTML.AlertLight)
+    
+    def alert_dark(self, message:str) -> bHTML.AlertDark:
+        """
+        show an alert on the default alert location (bottom right)
+        """
+        return self._alert(message, bHTML.AlertDark)
+
 class PyScriptBootstrapDashboard(PyScriptBootstrapApp):
     def __init__(self, parent_element:str = "pyscript_app", brand_name = "Dashboard"):
 
         super().__init__(parent_element)
 
-        self._sidebar = bHTML.Col(id="sidebar", col_sm=5, col_md=4, col_lg=3, col_xl=3)
+        self._sidebar = bHTML.Col(id="sidebar", col=12, col_sm=12, col_md=4, col_lg=3, col_xl=3)
+        self._sidebar.style = {"height": "100vh", "overflow": "auto"}
 
         self._navbar = bHTML.NavbarDark(
             parent=self._main_div,
@@ -32,13 +124,30 @@ class PyScriptBootstrapDashboard(PyScriptBootstrapApp):
             toggle_button_for_target=self.sidebar
         )
 
-        self._navbar.position = bHTML.Position.STICKY_TOP
+        self._navbar.position = bHTML.Position.FIXED_TOP
-        self._navbar.w = 100
+        self._navbar.height = "4em"
+        self._navbar.ps = 5
+        self._navbar.pe = 5
+        self._navbar.col = 12
+
+        
+        top_margin_dummy = bHTML.BootstrapContainer(id="top_margin_dummy", parent=self._main_div)
+        top_margin_dummy.height = "3.5em" # have it slightly less high than navbar
+        top_margin_dummy.width = "100vw"
+        top_margin_dummy.m = 0
+        top_margin_dummy.p = 0
 
 
         row = bHTML.Row(parent=self._main_div)
-        row.h = 100
         row.w = 100
+
+        row.height = "calc(100vh - 4em)"
+        row.p = 0
+        row.m = 0
+        row.col_xs = 12
+        row.col = 12
+
+
         row.display_property = bHTML.DisplayProperty.INLINE_FLEX
 
         row.append_child(self.sidebar)
@@ -49,17 +158,19 @@ class PyScriptBootstrapDashboard(PyScriptBootstrapApp):
         self._sidebar.position = bHTML.Position.STATIC
         self._sidebar.collapsable = True
         self._sidebar.mw = 100
+        self._sidebar.height = "calc(100vh - 4em)"
         self._sidebar.shadow = bHTML.Shadow.LARGE
-        self._sidebar.overflow = bHTML.Overflow.HIDDEN
+        self._sidebar.overflow = bHTML.Overflow.SCROLL
         
 
 
         self._modal = bHTML.Modal(parent=self._main_div, title="Modal")
 
-        self._main_area = bHTML.Col(id="main_area", parent=row, col_lg=9, col_xl=9)
+        self._main_area = bHTML.Col(id="main_area", parent=row, col=12, col_sm=12, col_md=8, col_lg=9, col_xl=9)
+        
         self._main_area.p = 4
-        self._main_area.overflow = bHTML.Overflow.HIDDEN
+        self._main_area.overflow = bHTML.Overflow.SCROLL
-        #self._main_area.vh_100 = True
+        self._main_area.height = "calc(100vh - 4em)"
         self._main_area.mw = 100
     
     def show_modal(self):

pyscript_bootstrap_templates/cli_interface.py

@@ -106,6 +106,17 @@ self.addEventListener('fetch', event => {{
 
         return response;
     }})());
+}});
+self.addEventListener('activate', (event) => {{
+    event.waitUntil(
+        caches.keys().then((keyList) => {{
+            return Promise.all(keyList.map((key) => {{
+                if(key !== pwa_version) {{
+                    return caches.delete(key);
+                }}
+            }}));
+        }})
+    );
 }});
     """
 
@@ -306,7 +317,7 @@ def main():
     argument_parser.add_argument("--bootstrap-js-url", type=str,
                                     help="the url of the bootstrap js file", default="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js")
     argument_parser.add_argument("--pyscript-bootstrap-templates-wheel-url", type=str,
-                                    help="the url of the pyscript bootstrap templates wheel file", default="https://the-cake-is-a-lie.net/gogs/jonas/pyscript-bootstrap-templates/raw/branch/main/dist/pyscript_bootstrap_templates-0.1.0-py3-none-any.whl")
+                                    help="the url of the pyscript bootstrap templates wheel file", default="https://the-cake-is-a-lie.net/gogs/jonas/pyscript-bootstrap-templates/raw/branch/main/dist/pyscript_bootstrap_templates-0.2.0-py3-none-any.whl")
     argument_parser.add_argument("--pwa-bg-color", type=str, help="background color for pwa configuration", default="#000000")
     argument_parser.add_argument("--pwa-theme-color", type=str, help="theme color for pwa configuration", default="#ffffff")